What is a sprinkler? Special function? maintenance? classification? Structure and description?

sprinkler

Sprinklers are also known as spray trucks, multi-function sprinklers, landscaping sprinklers, water tankers, and water trucks. Sprinklers are suitable for all kinds of road flushing, trees, green belts, lawn greening, construction of roads, factories and mines, and high-rise building flushing. With sprinkler, dust, high and low spray, pesticide spraying, guardrail flushing and other functions.

Sprinklers, also known as spray trucks or multi-purpose green sprinklers. It is used to clean roads, sanitation, dust prevention, watering, spraying pesticides, etc. in urban roads, large-scale factory areas, military units, and gardens, etc. in order to achieve a beautifying environment.
It can also be used for temporary emergency firefighting.

Watering Truck:
Sprinklers have features such as water transport, drainage, and emergency firefighting. It is equipped with pre-shooting, post-spraying and side-spraying, self-priming special pumps, pumps for pumping and draining, fire-fighting joints, free-flow valves, working platforms with tanks, and installation of green sprinklers. The guns can be rotated to adjust the amount of water ( Jets are columns, fog, drizzle).

Sprinkler classification

Suizhou sprinklers are classified according to their purpose: divided into spray-type, flush-type, spray-wash-type sprinklers;
Sprinklers are categorized into chassis types : automotive, semi-trailer and trailer-mounted sprinklers;
Sprinklers are classified by capacity and can be divided into how many square meters or how many tons of sprinklers.
Sprinklers are categorized by brand: sprinklers can be divided into Dongfeng Sprinklers, Liberation Sprinklers, Foton Sprinklers, JAC Sprinklers, Hualing Sprinklers, Shaanxi Auto Sprinklers, Heavy Duty Sprinklers, and Beiben Sprinklers. and many more.

Optional configuration: The prices of sprinklers vary from place to place throughout China. Standard configuration sprinkler (greening sprayer, water tanker): front shower, side spray; high side shower; rear working platform with green sprinkler, can be adjusted into a column, with a range of ≥ 28m; can also be adjusted to fog Shape, range ≥15m. Optional medicine tray, fight drugs machine. It can also install advanced facilities such as medicine discs, drug pumps, anti-corrosion and anti-rust in the tank, multi-directional inlet and outlet water connections, solenoid valves, pneumatic valves, etc. to meet the needs of different users.

Sprinkler Structure and Description

The basic composition of the sprinkler: rust-proof tanks, communicating devices, special self-priming sprinkler pumps, pipe networks, spray outlets, work platforms, two types of chassis.
Sprinkler optional configuration: GPS, universal sprinkler, electromagnetic valve, pneumatic valve, visual operating system, external power, disc.
1. Chassis-specific vehicle chassis generally use Dongfeng, Liberation, Futian Auman and other types of chassis. Currently widely used are "Dongfeng Duba sprinkler, Dongfeng Duolika sprinkler, Dongfeng 140 sprinkler (long head), Dongfeng 145 sprinkler (flat head), Dongfeng 153 sprinkler (flat head), Dongfengtian Jin sprinkler, Dongfeng Tianlong DFL1250A8 sprinkler (after the double bridge).
Second, the tank production using automatic assembly line tank production process is divided into: cutting, automatic welding puzzles, head spin spinning molding, tank rolling and other domestic advanced production technology. Tank materials are mostly made of high-quality carbon steel plates. In special applications, 304 stainless steel can also be used according to the customer's needs. The volume of the tank body is "4 cubic, 5 cubic, 6 cubic, 8 cubic, 10 cubic, 13 cubic, 15 cubic" and so on.
Third, the pipeline system:
By "pipes, valves, filter devices, outlets (pre-spray after sprinkler, side spray; high-side shower; rear working platform with green sprinkler antiaircraft guns).
4. The operating system is mainly driven by the engine. The PTO installed on the gearbox drives the sprinkling pump. The sprinkling pump generates power, and the liquid inside the tank is sprayed through the pipe network. Working range: Self-priming height: ≤7m, Sprinkling width: ≥14m, Maximum range: ≥28m; Can be adjusted into a column with a range of ≥28m; It can also be adjusted to a mist with a range of ≥5m.
5. Sprinklers equipped with sprinkler, green sprayer, high-power special sprinkler (Weilong pump), with fire joints, with self-flow valve, with self-priming function.
Optional equipment: It can be equipped with sprinkling discs, drug pumps, anti-corrosion rust inside the tank, multi-directional inlet and outlet connections, solenoid valves, pneumatic valves and other advanced facilities to meet the needs of different users.
6. Sprinklers Sprinklers are equipped with duck-billed or round-headed nozzles in front of them, cylindrical spray nozzles or shower nozzles at the back, and a working platform at the rear, equipped with water cannons. There are 8 nozzles on the back.
Sprinkler, green spray vehicle special features: Green sanitation function, suitable for urban sanitation and environmental sanitation, the use of quality leading high-power dedicated sprinkler pumps. After the rush (spray), sprinkle, with side spray (shower), with the back of the platform, install green sprinkler on the platform (cannon with heavy rain, moderate rain, drizzle, fog can be adjusted), with suction pipe, with fire Joints, with self-flow valve, self-priming self-discharge, optional 20 meters green spray reel, high-altitude operations, truck crane cargo and other functions.
Seven, cab:
Sprinkler cab is divided into: pointed cab, or flat cab, also known as long cab, short cab.
Sprinkler power box description Sprinkler is currently using Dongfeng, to release the series power take-off, pneumatic operation, operation switch pulled back, take the force of the teeth into the mesh position, drive the pump through the drive shaft, the switch back to the back, the pump stops working .
Sprinkler sprinkler function description:
The sprinkler is equipped with a duck-shaped nozzle or a round-headed punching nozzle, a cylindrical open-spray nozzle or a showerhead nozzle at the back, and a working platform at the rear, equipped with a water cannon. 8 nozzles at the rear (optional)
The water sprayer is generally used for flushing the street and plays a role of dust removal and cooling. The water sprayer can change the spraying direction and angle of the water sprayer by adjusting the nozzle thread. The water spray gun can be used for urban and rural landscape greening and emergency firefighting. Lian Peng mouth can be poured down the middle of the road to the dust from the sprinkler, play a role in cleaning the air.

Sprinkler function and description

☆ There is a duck-billed or round-headed nozzle in front of the sprinkler, a cylindrical sprinkler nozzle or a showerhead nozzle behind the sprinkler, a working platform at the rear, and a monitor. There are 8 nozzles on the back.
☆ Sprinklers, green spray vehicles for the special features: green sanitation function, suitable for urban sanitation of residential plants, the use of quality leading high-power dedicated sprinkler pumps. After the rush (spray), sprinkle, with side spray (shower), with the back of the platform, install green sprinkler on the platform (cannon with heavy rain, moderate rain, drizzle, fog can be adjusted), with suction pipe, with fire Joints, with self-flow valve, self-priming self-discharge, optional 20 meters green spray reel, high-altitude operations, truck crane cargo and other functions.
☆Operating system: The engine is mainly driven by the engine. The PTO installed on the gearbox drives the sprinkler pump. The sprinkler pump generates power to spray the liquid inside the tank through the pipe network. Working range: Self-priming height: ≤7m, Sprinkling width: ≥14m, Maximum range: ≥28m; Adjustable into a column with a range of ≥28m; It can also be adjusted to a mist with a range of ≥15m.
1. Water suction operation Dongfeng Tianjin sprinkler (1) The sprinkler should be as close as possible to the operating point and parked.
(2) Open the side door of the walk-in box and take out the water-absorbing rubber hose so that it swings back without bending.
(3). Pull the water suction hose into the water as deep as possible to ensure that the end of the pipe is 300mm below the liquid level during the operation.
(4). Push the four-way valve handle vertically to the ground.
(5). Hitch the transmission to neutral, then start the engine, separate the clutch, pull the power take-off switch backwards to pull the file, and the pump starts to run.
(6) The operator can observe the upper part of the rear head. When the liquid level reaches the middle of the sight glass, the operator should be notified that the coworker should quickly pull the suction hose away from the water or close the four-way valve.
(7) After retracting the hose, return it to the walk-in box and close the side door.
(8) Driving the water truck away from the pumping location
2. Spraying operation (1) Pull the rear handle of the four-way valve to parallel with the ground, open the ball valve you want to spray (front flush, back spray, side spray, shower), then start the engine and put the transmission into the gear, Pull the power take-off switch backwards to pull it out, then pull off the clutch, then the clutch is disengaged, the pump starts to run, and the water sprinkling begins. (2) After the water in the tank is sprinkled, the driver should push the power take-off handle forward in time. The sprinkler pump stops running.

Sprinkler user operation guide

Starting from September 1, 2010, Guangzhou's Pearl River Delta region will implement the National IV emission standard. At that time, the country's three-emission motor vehicles will not be able to license in the region, and many national first-tier cities will continue to implement the three national emission standards. The three national emission standard engines are divided into three types. One is the high pressure common rail technology, which is often referred to as the EFI engine. The second is the single pump, that is, the oil pump oil supply engine. The third is EGR. A secondary exhaust engine is equipped with a tail gas recycling technology that has reduced vehicle exhaust emissions.
1. Requirements for Water Sources When the sprinkler uses a river ditch or a pond as a water source, be careful that all the ends of the suction pipe do not enter the water. In order to avoid inhaling stones or more sand and drift debris, the suction pipe end is generally provided with a filtering device, and it is forbidden to remove the filtering device during the water absorption. If the water source is shallow, it is necessary to dig up the water absorption area in advance so as to ensure that it does not contain impurities and air. The water pump requirements for different sprinklers are different. The clean water pump requires no impurities in the water. The turbid water pump requires no stones and excessive sediment in the water.
2. Before adding water to a centrifugal water pump, a certain amount of water must be added to the water pump. After the water is added, the water inlet must be closed. When the self-priming pump is used for the first time, it is necessary to add water, and it is unnecessary to add water afterwards.
3. The water inlet pipe must be vacuumed when the water inlet pipe system must maintain a certain degree of vacuum in order to suck water into the tank. The inlet pipe system must be sealed reliably, the hose can not be damaged, the hard pipe can not have cracks, otherwise it will have a phenomenon of air leakage, which will result in the situation that it cannot suck water.
4. Parking stalls Sprinklers must be parked either before or after watering.
5. Winter watering Before the advent of winter, the water in the pumps and pipes should be vented to prevent freezing. The northern part of the country is generally no longer under construction during the severe winter. Therefore, after the construction is completed, the water in the pump and the water pipe will be drained immediately to prevent future problems.
6. Sprinkler Precautions The front sprayer of the sprinkler is located at a low position and close to the ground. The spray pressure is greater and can be used for flushing the road surface. The rear nozzle is located at a higher position (the sprinkler head is generally installed on the left and right sides respectively), and the sprinkler surface is wide. When spraying water on highway construction, the front nozzle should be closed when the rear nozzle is used, and the width of the water can be adjusted as needed when using the adjustable nozzle. The wider the sprinkler width, the less the amount of intermediate overlap and the more uniform the sprinkler density.
7. Lubrication and fastening In the course of use, lubrication points of the drive assembly must be regularly lubricated, and the connection points are often tightened to ensure normal use.
8. Periodically, the sewage tank is equipped with a sewage pipe. The entrance of the pipe is the lowest point of the tank. After a period of use, the discharge pipe switch should be opened periodically to remove the accumulated debris from the tank until the water becomes clear.

Sprinkler pump works

Before the sprinkler works, the liquid in the pump must be higher than the pump shaft. Therefore, an upwardly bent elbow should be connected to the pump inlet, and then a horizontal pipe and quick connector must be connected. The center line of the quick connector must be 300 mm higher than the centerline of the pump shaft. Import pipeline system must ensure that no air leakage; suction pipe suction head must be immersed in water, so as not to suck air into the water pipe; outlet pipe and pump outlet connection must ensure that the length of straight pipe ≥ 200 mm and then take over the bend.
The sprinkler pump adopts an external mixed self-priming structure, and an appropriate amount of liquid should be stored in the pump. After the pump is started, the impeller rotates and a negative pressure is formed at the inlet of the impeller. The gas in the suction pipeline is mixed with the liquid in the pump and passes through the pressure chamber to enter the gas-liquid separation chamber. Because of the difference in the specific gravity of the gas and liquid, the gas is separated from the liquid and discharged from the outlet pipe. The liquid sinks in the gas-liquid separation chamber and is circulated repeatedly until the gas in the suction pipe is drained and filled with liquid to complete the self-priming process. The pump started normal infusion.
The sprinkler pump can function as a suction and pressurization drainer. The self-priming pump can directly inhale the water from the pond into the tank, and can also directly connect the water from the fire hydrant in the city streets and inhale the water in the tank.

Daily maintenance and maintenance of sprinkler

(1) Maintenance of automobile chassis and supporting pump shall be carried out according to the corresponding instructions for use.
(2) Before use, the vehicle should be worn out according to the requirements of the vehicle's instructions.
(3) When the long-distance transfer is consigned, there should be a fixed anti-skid device around the vehicle, and there should be more than 200mm clearance around the vehicle. If the self-conversion is performed, the front nozzle and rear sprinkler should be removed to prevent loosening.
(4) Check regularly whether there is any clogging in the holes and mouths, and clean up the debris when it is found to be clogged.
(5) After each shift is completed, the oil should be cleaned, the pipelines must be neatly arranged, and the scene should be cleaned up.
(6) If the vehicle is not used for a long time or stored in winter, the remaining water in the tank, the pump and the pipeline shall be drained, and it shall be parked in the carport during storage and wipe clean to avoid exposure to rain and rain.

Water truck troubleshooting

Possible failures Cause Analysis Excluded water pumping up
2, water filter into the water too deep
3, pump vacuum is not good
4. Insufficient water diversion 1. Check the rubber pad, adjust the thickness of the gasket, and tighten the connector screw.
2, deep water filter
3, according to the pump instructions for troubleshooting
4. Add enough water to divert water to the width of the water. 1. The pump speed does not reach the rated value.
2, the spray angle is wrong
3, pipe plugging or leakage phenomenon 1, add the throttle, increase the engine speed to the pump speed rating.
2, adjust the spray angle.
3, remove the blockage or leakage phenomenon.
Water pump noise or vibration 1, bearing clearance is too large
2, gear clearance is too large
3, gear box oil shortage 1, refer to the pump manual to rule out the failure of the ball valve control 1, cylinder failure
2, valve core damage 1, check the electricity, gas path is loose
2, replace the ball valve

Self-priming pump common fault

First, the motor part 1, no response after power. Most of them are caused by short-circuiting of power plugs, power outlets, and motor windings.
2, difficult to start or can not start, and accompanied by "squeak" sound. During inspection and repair, small bamboo strips can be used to rapidly move the blades according to the running direction. If the motor is quickly operated, it indicates that the starting capacitor or starting winding is damaged. Replace the capacitor with the same capacity or repair the starting winding. If the motor is issued, the motor and the pump head are mostly. Mechanical failure, such as bearing damage, stuck impeller and so on.
3, the motor can run, but the speed is slow, and the chassis is overheated, burned odor. Most of them are caused by the short circuit of the motor windings. The motor should be disassembled and repaired by welding, jumper, isolation, rewinding, etc., depending on the damage.
4, large noise and vibration during operation. Most of the bearings are damaged or the bearing and the chassis are not properly mated. The motor must be dismantled for inspection. If the bearings are damaged, they should be replaced. If the bearings run out of the circle, the pump shell can be mated with the stencil treatment. If the bearings run in a circle, The wear part of the motor shaft is stenciled, and the wear is serious. The repair is performed by first surfacing after welding.
Second, the sprinkler pump head part 1, the motor is operating normally but the amount of water is little or no water at all. This situation should first check the water pump accessories pump seal, check the power plug should be unplugged, hand to plug the suction port, fill the water pump, with the mouth to seal the outlet and blow in the air to observe whether the pump head Leakage, where the leak is the seal damage. Common faults include suction pad, outlet pad, and impeller cover pad, which should be replaced during maintenance. If there is no full water phenomenon, the impeller is damaged, the water-retaining partition between the water-absorbing chamber and the outlet chamber is worn out, the pump head is covered with water, and the gap between the impeller and the pump casing is increased. The impeller and the pump casing should be replaced. . When replacing the rake wheel, care should be taken to completely remove the remaining copper blades in the pump so as not to damage the new impeller again.
2, the chassis is charged. Most of them are damaged by water seals. Water penetrates into the motor through the motor shaft and deteriorates the insulation performance of the motor. It can be repaired by replacing the water seal and drying the motor. It should be noted that because the water pump is exposed to water for a long time and it is open to work in the open air, it is prone to moisture and deteriorates the insulation performance. In order to ensure personal safety, the self-priming pump of the electric sprinkler should be reliably grounded.

Watering truck exemption

Sprinklers are exempted from the announcement that they will be exempted from the use of sprinklers. Customers who purchase this vehicle may be exempt from vehicle purchase tax. Exemption from the announcement may be exempted from the purchase of additional tax sprinklers and exemption from vehicle purchase tax quotas: The purchase price of motor vehicle sales special invoices contains VAT tax, so when assessing vehicle purchase tax, the value of 17% must first be added. The tax excluding, that is, the tax rate for the purchase tax of sprinkler vehicles = the invoice price of 1.17, and then the vehicle purchase tax will be calculated at the tax rate of 10%. Consumers purchase a 100,000 yuan sprinkler and pay 10% tax after removing the VAT portion. The formula is 100000÷1.17×0.1=8547 yuan.
Sprinkler vehicle purchase tax exemption operation procedure: To the purchase tax payment hall, the staff will provide a tax exemption card for this vehicle according to the exemption announcement, hold the tax exemption card to the local vehicle management office, and the vehicle management office will handle the relevant ownership of the vehicle. .

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