Wet Spray Pump Machine

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Product Introduction

Hunan Saner Heavy Industry Technology Development Co.,Ltd.

Hunan Saner Heavy Industry Technology Development Co.,LTD. was founded in 2010, and it is a collection of engineering machinery R&D, production, sales high-tech enterprise. Our factory is located in scenic Sany matching industrial park, state-level economic development zone, Loudi city, Hunan province Where the transportation is convenient, covers an area of 10000 square meters. Currently, we have four branch: Hunan Saner machinery company, Hunan Saner trade company, Hunan Saner maintenance company and Hunan Saner lease company.

PRODUCT DETAIL
TECHNICAL PARAMETERS					MODEL: SRHTP25-10-45S/A6
Jet type					Double jet
Max theoretic output					25m³/h
Max theoretic pumping pressure					10Mpa
Hydraulic system					Double pump & double circuit opening
Main oil pump displacement					112ml/r(kawasaki)
Hydraulic system pressure					26MPa
Power supply					Electric motor
Voltage					380V
Engine power					45KW
Distribution valve type					S pipe valve
conveying cylinder bore/stroke					Ф160/1000mm
Accelerator pump diplacement &pressure					270l/h×Mpa
Max aggregate size					≤16mm
Mix Hopper Volume					300-500L
Feeding height					1350mm
Max theoretic delivery vertical distance					25m
Max theoretic delivery horizontal distance					35m
Operation style					wired or wireless remote control
The radiator cooling type					Air cooling system
Hydraulic pump type					Ram pump
Outer dimensions(LWH)					4700×1850×1900mm
Total weight					3600 kg

Why Choose Us

Quality assurance

We perform strictly according to the ISO9001 quality system in the whole process.

Good service

We are doing everything to offer our customers with best services and best products .

Reasonable price

The price is reasonable and will bring you different surprises .

Fast delivery

The delivery speed is fast, and the delivery will be sorted out for you as soon as the order is placed.

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What is Wet Spray Machine

Wet spraying machine is a new high efficient concrete machinery, mainly used for spraying wet concrete and the mixture can be mixed evenly, and the accurate control of water helps cement hydration, and thus little dust, rebound small, concrete homogeneity, and high strength.This machine has many advantages, like reasonable structure, stable performance, easy operation and maintenance, long service life, widely be used in iron (public) road tunnel, subway, hydropower engineering, underground engineering and mine shaft shotcrete construction operations.Wet spraying machinen greatly reduces the dust density by the machine and outside of nozzle when it works, which eliminates health hazards to workers; high production rate; resilience is low; because of the easy-control water-cement ratio, high degree of concrete cure, it can greatly improve the quality of shotcrete to improve the homogeneity of the concrete.

Advantages of Wet Spray Machine

01/

Low environmental impact
The slurry used by the wet spraying machine is premixed, which does not require a lot of labor during actual construction, and the amount of dust is small, which has little impact on relevant personnel and the environment, and so it is suitable for various working environments.

02/

Not easily deformed
The spring back rate of wet spraying machine is no more than 10%, and it has strong cohesiveness and also is not easy to deform. It plays an important role in safety production.

03/

Construction quality
Shotcreting after premixing can effectively ensure the concrete mix ratio and concrete construction quality.

04/

Save raw materials
The wet printer can effectively save raw materials, the material of spraying machine are uniform, and the quality of spraying layer is good.
The commissioning of wet spraying machine does not require too much time for concrete preparation, and the operation and maintenance are much more convenient.

Why Is the Concrete Wet Spray Machine so Popular

With the rapid development of various industries, the degree of mechanization is getting higher and higher, and the superior performance of mechanical equipment is utilized to continuously reduce the labor intensity of workers. According to statistics, at present, nearly 100,000 wet spray machines are put into use in various industries in China, and thousands of units are updated every year. The amount of use is very large and is very popular in various industries. It is a key equipment in China's shotcrete operations. There are many reasons why concrete wet spray machines are so popular.

When it comes to concrete wet spray machines, you have to talk about concrete dry spray machines. The main advantages of concrete dry spray machines are long conveying distance, simple equipment and durability. However, since it mixes the dry mixing concrete nozzle with water, the construction dust and rebound are large, and the dust generated by the dry spraying operation endangers the health of workers, especially in the construction of narrow roadway engineering, dust pollution is more serious. In order to change this situation, in recent years, different types of concrete wet spray machine have been put into use, and the powerful concrete wet spray machine has been very popular since its launch.

1. The concrete wet spray machine is easy to control: During the construction, the wet sprayed concrete is transported to the wet spray machine for production according to the production process, and the mixing ratio is completely under control, thereby ensuring the quality of the sprayed concrete. The quality of the concrete sprayed by the sprayer is not easy to control, especially the concrete water-cement ratio is random. It is adjusted by the sprayer according to experience and visual inspection. The quality of the concrete depends largely on the sprayer operation. Correct or not. The wet sprayer has a low rebound rate and can effectively control the cost; the dry shotcrete rebound rate is 35%-45%, and the wet spray rebound rate is about 15%, so the concrete wet spray machine is used for anchor spray support. Low production costs and high efficiency.

2. The dust concentration during the construction of the concrete wet spray machine is low: The dust next to the spray head is 60 mg/m during the concrete dry spray machine, and the dust next to the wet spray nozzle is lower than the dust concentration near the dry spray nozzle. When concrete dry spray machine spraying concrete construction, the visibility in the tunnel is often low due to dust concentration and other reasons. Objectively, the operator only talks about the number of injections, and neglects the quality of the sprayed concrete to make the quality of the sprayed concrete unstable and wasteful.

3. Concrete wet spray machine has high productivity: Dry concrete shotcrete generally does not exceed 5m / h. The use of wet concrete jets can reach 7-9m / h during manual operation and up to l5-18m / h when using jet robots, which is 2-3 times higher than other spray methods.

Application of Wet Spray Machine

Wet concrete shotcrete machine feeds the stirred concrete into the hopper of the wet concrete shotcrete machine, and mixes the compressed air at the spray head with the atomized quick-setting agent pressed from the metering pump to the spray head to form a bundle and sprays it onto the sprayed surface; The sprayer sprays concrete by mixing the cement, aggregate and quick-setting admixture proportionally. After adding it to the dry sprayer hopper, the material is passed through the sandblasting pipe with compressed air, water is added at the nozzle, and the material bundle is formed. Compared with the dry concrete shotcrete machine process, it has the advantages of small working dust, less jet rebound, protection of working environment, saving of raw materials, improvement of spray quality, etc., and easy operation and maintenance. Lower. Wet concrete shotcrete machine is mainly used in indoor projects such as tunnels, mines, subways and boiler injection.

The wet shotcrete machine is a versatile tool that can be used in a variety of construction projects. It is commonly used in the mining industry, as well as in tunnel, culvert, subway, hydropower, and other underground engineering projects. Additionally, it can be used in coal swamp mine roadway shotcrete construction operations.

In the construction field, the wet shotcrete machine is often employed for lining industrial furnaces with refractory materials, as well as for soil transportation and spraying in slope protection and greening projects. It can also be utilized for dry spraying and individual fiber spraying with mine shotcrete machine.

Overall, the wet shotcrete machine is an essential piece of equipment for any construction or mining project that requires efficient and accurate shotcrete application. Its versatility and adaptability make it a valuable asset for any construction team.

How to Choose a Wet Spray Machine

The adoption of wet spraying technology by the concrete wet spraying machine brings a multitude of benefits. Firstly, it significantly reduces dust and rebound, promoting a cleaner and safer working environment. Moreover, it conserves raw materials, contributing to cost savings. Another advantage lies in its ability to enhance the quality of the spraying layer, ensuring a superior end result. Furthermore, this machine proves to be versatile, capable of adapting to various working environments.

The versatility of the concrete wet spraying machine makes it ideal for various project constructions that require shotcrete, filling, grouting, and pumping. Specifically, the hydraulic wet shotcrete machine is an excellent choice for wet shotcreting operations, including railway and highway tunnels, water conservancy projects, slopes, hydropower tunnels, culverts, subways, and other construction projects. With its reliable performance and efficiency, this machine is an indispensable tool for completing these projects successfully. So, whether you're an experienced construction contractor or an aspiring builder, using a concrete hydraulic wet shotcrete machine will undoubtedly make your work easier and more convenient.

When selecting a wet spray machine, there are several important factors to consider. It is crucial to pay close attention to these considerations in order to make an informed decision.

To make an informed decision when purchasing a wet spray machine, it is advisable to contact the manufacturer and gather all necessary information about the equipment. Based on the unique demands of the shotcrete construction site and the required quality of work, it is essential to choose the right wet spraying machine for the job. Therefore, it is recommendable to carefully consider the specifications and features of the machine before making a purchase. By doing so, you can ensure that the wet spray machine fulfills all your requirements and delivers the desired outcomes.

When considering wet sprayer manufacturers, it is crucial to evaluate their after-sales service. Manufacturers should place great importance on after-sales service as it plays a significant role in customer satisfaction. A strong service concept can greatly enhance the reputation and popularity of wet sprayer manufacturers. Therefore, it is essential to thoroughly examine the manufacturer's after-sales service to ensure a positive experience for customers.

If you are in the market for a wet spraying machine, it is a good idea to visit the factory for an on-site inspection. This will give you the opportunity to test the machine and get a better understanding of its capabilities. By doing this, you can ensure that you are purchasing the right wet spraying machine for your needs.

With the increasing awareness of environmental conservation and the growing demand for high-quality shotcrete, the utilization of concrete hydraulic wet spraying machines has become essential in shotcrete support construction. Concrete wet shotcrete, as a specialized equipment for anchoring and support operations, offers extensive applications and significant development opportunities. The enhanced environmental consciousness and quality expectations have necessitated the utilization of concrete hydraulic wet spraying machines in shotcrete support construction. This specialized equipment enables efficient shotcrete anchoring and support operations and holds immense potential for growth and expansion.

How to Use Wet Spray Machine

First, the preparation work of the wet spray machine before starting

● First, fix the wet spray machine on a solid foundation. The spraying pipe must be reinforced and the pipeline must be installed properly without leakage.
● Connect the three-phase power supply and check the lubricating oil level.
● Check that there is no foreign matter movement in the hopper and various moving parts, and that there is no looseness of each part. If it is loose, it must be reinforced and the hopper screen must be tightly covered.
● Check the electrical control system, keep all switches in the off position, and check that the electrical appliances are not abnormally loose.
● Close the lower right air switch in the electric control box, and close the two upper left air switches, check the power voltage, it must not be lower than 380V ± 10%, turn on the emergency stop button, start the control power start button, the button light is on Then, press the motor stop button with the left hand, press the motor start button with the right hand, click the motor start button with the right hand, and immediately press the motor stop button with the left hand (the startup time must not exceed 5 seconds). Observe the rotation of the motor. If the direction of the motor is reversed, replace the two power wires arbitrarily, and then test again to make the motor rotate forward. If the motor rotates backward, the pump will be damaged.

Second, thewet spray machine sprayed concrete operation process

● Start the wet spraying machine, fill the hopper with water, and press the positive pump start button to pump 1-2 buckets of water. After the pump is finished, stop the positive pump and immediately pour in a slightly thicker mortar and wait for stirring. After the uniformity, press the positive pump start button, after pumping 2-3 buckets of mortar, you can put in the appropriate concrete and start pumping. Note that when spraying concrete, the concrete in the hopper must not be lower than the mixing shaft, so as to avoid injury from concrete splashing from the hopper.
● During the sprayed concrete operation, always check the cooling water source and oil temperature gauge. The oil level must not be higher than 50 ° C. The pressure gauges and voltage and current gauges should work normally. The oil temperature is too high to speed up the cooling water flow rate. When the pointer reaches the red area, it should be removed and washed with gasoline. When the pressure gauge of the return filter element reaches the red area, the filter element should be replaced.
● During work, if there is an emergency, you should not hesitate to turn off the emergency stop button, and then restart the machine after the fault is removed. When restarting, ensure that the switches are in the on position. If it is determined that the failure cannot be resolved within 1 hour, the concrete in the hopper, the conveying cylinder, the S pipe and the pump pipe must be cleaned.
● If there is a blocked pipe during work, you can reverse pump 1-2 times, and then turn on the positive pump. Repeat this two times. Generally, the blocked pipe can be ruled out. If it still cannot be ruled out, stop the positive pump and remove the blocked pump pipe. After cleaning, spray the concrete.

Three, precautions for safe operation of wet spray machine

● Add enough water to the hopper, open the positive pump to clean the concrete in the tank, then open the valve at the bottom of the hopper, and clean the concrete in the hopper with water; open the reverse pump, and add clean water from the outlet to continue cleaning until the hopper flows Until the water is clear, close the valve at the bottom of the hopper and remove the hose at the front of the pump tube.
● Add sufficient water to the hopper and ensure that the water source is sufficient. Turn on the positive pump to start water washing. During the washing process, do not stop the pump or the reverse pump. Open the valve under the hopper, and then open the reverse pump.
● Turn on the forward or reverse pump, let the pump run dry for 10 minutes, and check the agitator bearings and S-tube size bearings until the lubricant is discharged.
● Drain the water in the water tank, clean the water tank, turn off the cooling water source, check whether there is concrete in the hopper, S pipe, and conveying tank, and clean it up in time.

How to Clean Wet Spray Machine

After every time of work, all of the pipelines, pump hoppers and piston cylinders need to be cleaned.

Open the door of the pump hopper, clean the concrete in the hopper, then close the door, fill it with water, insert the cleaning ball into the pipe and draw water until the cleaning ball and clean water flow out.

Remove all pipes and rinse with water until clean.

Use tools to block the nozzle and then disassemble the connecting elbow, open the air source to let the concrete in the pipeline sprayed out from the end. Then you can add water to the tube or use the accelerator pump to pump the water. At last add a cleaning ball and open the blockage. (this method must make sure that surrounding workers are at a safe distance).

Open the door of the pump hopper, rinse with water, start the reverse pump switch, then rinse the discharge port with water, and clean the pump pipe.

FAQ

Q: What does a concrete sprayer do?

A: Concrete sprayers are machines designed to transport and distribute concrete from a source to the desired location.

Q: What is sprayed on wet concrete?

A: What's being sprayed on the concrete pavement is a curing compound. It goes on pink so crews can see where it has been applied, but it dries clear. This curing compound is sprayed on to prevent moisture from evaporating from the freshly placed concrete.

Q: What is sprayed concrete used for?

A: Wet process sprayed concrete using pre-mixed concrete may be used for structural applications such as retaining walls, soil nail walls, tunnel linings, supporting in situ excavated material, surface improvement and short-term support.

Q: What is the difference between sprayed concrete and shotcrete?

A: The primary difference between the two methods is the initial mix of the concrete. In sprayed concrete, the mix is dry and only combined with water when it reaches the nozzle. In shotcrete, the mix is already wet when it is sprayed onto the surface.

Q: What is sprayed concrete called?

A: The trade terms for sprayed concrete are gunite and shotcrete. Gunite and shotcrete are alternative forms of concrete, distributed by a hose at a high velocity, which enables us to reach awkward surfaces such as tunnels, bridges, swimming pools and train stations.

Q: What do they spray on concrete after pouring?

A: When properly applied, cure and seal products produce a protective liquid membrane. This compound shields the top of the fresh pour while retaining the proper amount of moisture throughout the entire slab. The concrete cures much harder, and the surface is protected longer.

Q: How thick can shotcrete be applied?

A: There is no stated maximum thickness for shotcrete used in shear walls or any other type of wall. Walls have been successfully placed to a thickness of 36 in. (914 mm) for some time. The two main concerns are the heat of hydration and proper encapsulation of the reinforcing steel.

Q: Do you need to wet concrete after pouring?

A: If it loses too much moisture through evaporation, it will not cure properly and will become prone to cracks. Many construction specialists recommend watering it down five to ten times per day, for the first week, starting 2-4 hours after it has been poured.

Q: Is spray on concrete any good?

A: Durability is another key advantage of spray-on concrete. The process involves applying a thin layer of cement-based material over the old surface, creating a strong and resilient finish. Given the high traffic nature of driveways and patios, this provides assurance that your surface will stand the test of time.

Q: What is the difference between wet mortar and dry mortar?

A: Because wet mix already contains water, it usually needs to be used no later than 24 hours before the mixture is impacted. Dry mix, on the other hand, offers a lot more flexibility regarding storage, as contractors can stock up on several bags of dry mix in bulk, and only use it when needed.

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