CN215825130U - High-pressure water jet cleaning equipment material feeding unit of abrasive material - Google Patents

Abstract

The utility model discloses a feeding device of high-pressure water jet cleaning equipment for abrasives, which comprises a high-pressure water jet cleaning process for the abrasives, an active pneumatic feeding device and a passive negative pressure suction feeding device, wherein the active pneumatic feeding device supplies pressure for feeding small-particle powdery solid particles through a first air passage and a second air passage by a high-pressure air source, the passive negative pressure feeding device supplies high-pressure water flow by a high-pressure water source to form a negative pressure area in a cavity of a solid-liquid mixer to suck and feed the small-particle powdery solid particles, the flow rate of the small-particle powdery solid particles is automatically regulated by a controller according to the input of an abrasive storage sensor to realize automatic control, the feeding device is effectively cleaned and simultaneously saves energy and protects environment, and the feeding device adopts a mode of combining the active pneumatic feeding and the passive negative pressure suction to ensure that the small-particle powdery solid particles are fed more continuously, Uniform, thereby obtaining more uniform mixed liquor and achieving the aim of continuous and effective cleaning.

Description

High-pressure water jet cleaning equipment material feeding unit of abrasive material

Technical Field

The utility model relates to high-pressure water jet cleaning equipment, in particular to a feeding device of high-pressure water jet cleaning equipment for abrasives.

Background

The domestic industrial cleaning industry mostly adopts the traditional industrial cleaning method. Traditional mechanical cleaning includes the use of cleaners and scraper cleaning, drill pipe cleaning, shot blasting, and the like, the first being that the labor intensity brought to the workers is extremely high, and the second being that the cleaning efficiency is extremely low. The water jet cleaning mode using toxic chemical substances such as strong acid, strong alkalinity and the like brings huge potential safety hazards to the environment, and equipment operators wear protective equipment, which brings inconvenience to the operation. The use of shot blasting to clean, particularly the use of abrasives containing quartz and yellow sand, can cause "silicosis" and "pneumoconiosis". The reason is that a large amount of dust is generated, on one hand, air is polluted, on the other hand, a large amount of noise is generated, and the working environment of workers is very severe. Compared with the advanced ultrasonic cleaning equipment for cleaning the transmission mechanism, the ultrasonic cleaning equipment has the problems of overhigh manufacturing cost, low reliability, high possibility of damage, high maintenance cost and the like. The current various cleaning equipment develop better and mostly present the operation object simplification trend, have the poor problem of suitability to different cleaning objects.

In addition, the existing water jet cleaning equipment with the abrasive has the problems of discontinuous and uneven abrasive feeding, uneven mixing of the abrasive and cleaning liquid after feeding and the like, and the cleaning effect is greatly influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems of large environmental pollution, poor working environment, low cleaning efficiency, high cost of high-efficiency equipment, poor adaptability of different cleaning objects and the like of the cleaning equipment in the prior art, the utility model adopts a high-pressure water jet cleaning mode in which small-particle powdery solid is used as an abrasive, and the small-particle powdery solid is fully mixed with high-pressure water and then sprayed out from a nozzle to scour the surface of the cleaned object so as to finish the cleaning action.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the high-pressure gas source main pipe is provided with a pressure stabilizing valve, and the discharge port of the grinding material tank is provided with an electric regulating valve; the abrasive storage sensor is arranged on the abrasive tank body and used for sending signals to the controller, and the controller controls the opening size of the electric regulating valve according to the amount of the abrasive in the abrasive storage tank; the high-pressure gas source leads out two pipelines from the main pipe, one of the pipelines is connected with the discharge port end of the grinding material tank and is communicated with a solid-liquid mixer, namely an air passage I, and after the high-pressure gas source is connected, negative pressure is formed at the grinding material outlet of the grinding material tank, so that the grinding material is sucked out of small powder-shaped solid particles of the grinding material and is sent into the solid-liquid mixer; and the second part is connected with an abrasive tank cover and inserted into the abrasive tank, called as an air passage II, and after a high-pressure air source is connected, the sizes of negative pressure inside and outside the abrasive tank are further increased, so that the small-particle powder solid particles of the abrasives are more smoothly, quickly and uniformly fed into the solid-liquid mixer. The high-pressure water source is connected through a pipeline, enters the solid-liquid mixer from the liquid-phase feed inlet, is sprayed out from the nozzle at high speed and high pressure, and forms a negative pressure zone in the cavity of the solid-liquid mixer under the action of high-speed and high-pressure water to further suck out small-particle powdery solid particles; after entering the solid-liquid mixer, the small-particle powdery solid particles in the grinding material tank are fully mixed with high-pressure water in the cavity of the solid-liquid mixer, and the mixed liquid is sprayed out from the nozzle at high pressure and high speed to wash the surface of the cleaned object to finish cleaning.

The pressure stabilizing valve is arranged on the high-pressure air source pipeline main pipe, and the air pressure entering the air passage I and the air passage II is controlled by setting the preset pressure in the pressure stabilizing valve.

Above-mentioned electrical control valve locates the abrasive material jar exit, is adjusted abrasive material export bore size by controller control, controls the discharge flow of the powdery solid particle of tiny particle through the regulation of discharge gate bore size.

Above-mentioned abrasive material reserves sensor locates the abrasive material can body, and inside the sensor probe got into the abrasive material can through abrasive material can body opening, the sensor data line stretched out outside the jar from the seal opening, was connected with the controller.

The controller adopts a PLC control panel, and the size of the opening of the electric control valve is controlled by the residual abrasive storage input by the abrasive storage sensor.

The abrasive tank comprises an abrasive tank body and an abrasive tank cover, wherein the abrasive tank body and the abrasive tank cover are connected in a sealing mode through threads, and the abrasive tank cover is provided with a unscrewing handle. The grinding material tank cover is connected with the air passage II, the air passage II extends into the grinding material tank, the pressure difference inside and outside the grinding material tank is increased through pressurization of the air passage II, and the small-particle powdery solid particle grinding materials in the grinding material tank are uniformly and continuously sprayed out. The lower end of the abrasive tank is a discharge port and is communicated with the air passage through an electric regulating valve.

One end of the first air passage is communicated with the second air passage and gathered in the pneumatic pump main pipe, and the other end of the first air passage is communicated with one end of the electric regulating valve and led to the solid-phase feed port of the solid-liquid mixer.

And one end of the air passage II is communicated with the air passage I, the air passage I and the air passage I are gathered in the pneumatic pump main pipe, and the other end of the air passage II is connected with the grinding material tank cover and extends into the grinding material tank to pressurize the inside of the grinding material tank.

The small-particle powdery solid particles can be small-particle sodium bicarbonate crystals, namely soda particles, fine-particle glass beads, or other small-particle sand, and the like. The small-particle powdery solid particles are stored in the grinding material tank, enter the solid-liquid mixer through the feeding mode of passive negative pressure and active air pressure, are fully mixed with high-pressure water, and are sprayed out through the nozzle.

The solid-liquid mixer consists of four parts, namely a cavity, a solid-phase feed port, a liquid-phase feed port and a discharge nozzle, wherein high-pressure water enters the cavity through the liquid-phase feed port and is sprayed out by the discharge nozzle, and a negative pressure zone is formed in the cavity due to the high-speed action of water flow. The small-particle powdery solid particles pass through a solid-phase feed inlet of a solid-liquid mixer, uniformly and continuously enter a cavity under the dual actions of pneumatic conveying and negative pressure suction, are rapidly and uniformly mixed with a liquid phase, and are sprayed out from a discharge nozzle.

The nozzle adopts a unique design nozzle shape and is connected with the solid-liquid mixer in a threaded connection mode.

The cleaning equipment disclosed by the utility model has the beneficial effects that the cleaning equipment adopts the small-particle powdery solid particle abrasive, so that the environment is not damaged, and the cleaning equipment is beneficial to environmental protection. The small-particle powdery solid particles can be used as an abrasive to fully impact and clean the surface, and effectively remove stains. The feeding process is controlled by two switches, and can be conveniently adjusted at will according to different requirements. The abrasive feeding mode adopts a combined feeding pneumatic layout of negative pressure suction and pressure blowing, and feeding is more stable and uniform. The cleaning mode of the water jet is efficient and cheap, the structure of the water jet equipment is flexible and changeable, and the water jet equipment can be well adapted to different cleaning objects.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic view of an embodiment of a feeding device of a high-pressure water jet cleaning device for abrasives;

FIG. 2 is a schematic view of an embodiment of a storage tank for abrasive material;

in the figure: 1. a high pressure water source; 2. a solid-liquid mixer cavity; 3. a solid phase feed inlet; 4. a liquid phase feed inlet; 5. A nozzle; 6. a high pressure gas source; 7. a pressure maintaining valve; 8. an electric control valve; 9. small granular powdery solid particles; 10. an abrasive storage tank; 10a, an abrasive material storage tank body; 10b, an abrasive storage tank cover; 11. an air passage II; 12. An abrasive stock sensor; 12a, drilling holes in a sensor of the abrasive storage tank body; 13. a controller; 14. a discharge port of the abrasive storage tank; 15. air flue I

Detailed Description

[ EXAMPLES one ]

As shown in fig. 1, a feeding device of a high-pressure water jet cleaning device for abrasives provides high-pressure water flow from a high-pressure water source 1, high-pressure water enters a solid-liquid mixer cavity 2 through a liquid-phase feed port 4, and the high-pressure high-speed water enters the solid-liquid mixer cavity 2 and is then sprayed out through a nozzle 5, and negative pressure is rapidly formed in the solid-liquid mixer cavity 2; the high-pressure air source 6 provides air pressure for the air passage I15 and the air passage II 11 through the pressure stabilizing valve 7 respectively, the air passage I15 guides high-speed air flow to the solid phase feed port 3, a negative pressure area is formed at the far discharge port of the electric regulating valve 8, and the air passage II 11 guides the high-speed high-pressure air flow to the grinding material tank 10; the abrasive storage sensor 12 is arranged on the abrasive tank body and transmits real-time data of the abrasive storage in the abrasive tank to the controller 13; the controller 12 automatically adjusts the opening size of the electric regulating valve 8 according to the abrasive storage amount; after the opening of the electric regulating valve 8 is opened, small-particle powdery solid particles 9 stored in the grinding material tank 10 continuously and uniformly enter the solid-liquid mixer cavity 2 through the solid-phase feed port 3 under the dual actions of the pressure of the air passage II 11, the air passage I15 and the negative pressure at the solid-liquid mixer cavity 2 and are fully mixed with high-speed water flow; the high-pressure water mixed with the small-particle powdery solid particle abrasive uniformly is ejected from the nozzle 5 to strike and wash the surface of the object to be cleaned.

The high-pressure water jet cleaning equipment takes the small-particle powdery solid particles 9 as solid abrasive, the abrasive storage capacity sensor 12 senses the real-time storage capacity of the abrasive in the abrasive tank, and the controller 12 controls the opening size of the electric regulating valve 8 according to the abrasive storage capacity, so that the flow of the small-particle powdery solid particles 9 entering the cavity 2 of the solid-liquid mixer is controlled, and the air pressure is controlled by the design of the pressure stabilizing valve 7; the active pneumatic feeding and passive negative pressure material sucking dual power enables small-particle powdery solid particles 9 to continuously and uniformly enter the solid-liquid mixer cavity 2, the small-particle powdery solid particles 9 are fully mixed with high-pressure water in the solid-liquid mixer cavity 2 and then are ejected out from the nozzle 5 at high speed and high pressure, and the ejected mixed liquid uniformly mixed with the small-particle powdery solid particles 9 strikes and erodes the surface of an object to be cleaned.

[ example two ]

As shown in fig. 2, the abrasive storage tank 10 is composed of an abrasive storage tank body 10a and an abrasive storage tank cover 10b, and the abrasive storage tank body 10a and the abrasive storage tank cover 10b are connected in a sealing manner through threads; the abrasive storage tank cover 10b is provided with a rotating handle, and the air channel II 11 is welded in the abrasive storage tank cover 10b and extends into the abrasive storage tank 10; abrasive storage jar body 10a is far away from two 11 sides of air flue and is equipped with abrasive storage jar body sensor trompil 12a, and abrasive storage jar body sensor trompil 12a is used for placing abrasive storage volume sensor 12, and sensor data line stretches out a jar body after through trompil 12a, can set up sealed lid and seal up trompil 12a through threaded connection, does not influence the leakproofness of storage jar as pressure vessel. In the figure, 9 is small-particle powdery solid particles, and 14 is a discharge hole of the abrasive storage tank.

The present invention is not limited to this application, and any obvious improvement, replacement or modification by those skilled in the relevant art can be made within the scope of the present invention.

Claims (4)

1. The utility model provides a high pressure water jet cleaning equipment material feeding unit of abrasive which characterized in that: the device comprises active pneumatic feeding and passive negative pressure feeding, wherein the active pneumatic feeding provides pressure for feeding the small-particle powdery solid particles through a first air passage and a second air passage by a high-pressure air source, and the passive negative pressure feeding forms a negative pressure area in a cavity of a solid-liquid mixer by generating high-pressure water flow by a high-pressure water source to suck and feed the small-particle powdery solid particles.

2. The feeding device of the high-pressure water jet cleaning equipment for the abrasives according to claim 1, characterized in that: high-pressure water jet cleaning equipment and a feeding device thereof adopt small-particle powdery solid particles as grinding materials.

3. The feeding device of the high-pressure water jet cleaning equipment for the abrasives according to claim 1, characterized in that: high-pressure air source house steward is equipped with the surge damping valve, and the abrasive tank export is equipped with electrical control valve, electrical control valve is by controller control opening size, and abrasive storage tank body one side is equipped with the trompil for place abrasive material reserves sensor, provide input signal for the controller.

4. The feeding device of the high-pressure water jet cleaning equipment for the abrasives according to claim 1, characterized in that: abrasive material storage tank sets up abrasive material storage tank body and abrasive material storage cover, abrasive material storage tank body with abrasive material storage cover passes through thread sealing connection, abrasive material storage cover is equipped with rotatory handle, air flue two with abrasive material storage cover welding.

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