CN216542784U

CN216542784U - Device capable of preventing sand flushing nozzle in grinding material tank from being blocked

Info

Publication number: CN216542784U
Application number: CN202120893526.2U
Authority: CN
Inventors: 毛桂庭; 欧阳邓培; 柯熠; 宋紫棋; 韩德奎; 刘智谋; 王成国
Original assignee: Changsha Research Institute of Mining and Metallurgy Co Ltd
Current assignee: Changsha Research Institute of Mining and Metallurgy Co Ltd
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2022-05-17
Anticipated expiration: 2031-04-27

Abstract

The utility model discloses a device capable of preventing a sand flushing nozzle in a grinding material tank from being blocked, which comprises the grinding material tank, the sand flushing nozzle, a sand flushing pump, a conveying pipeline, a water storage bag and a check valve communicated to the water storage bag in a one-way mode, wherein one end of the conveying pipeline is connected with the sand flushing pump, the other end of the conveying pipeline is connected with the sand flushing nozzle arranged in the grinding material tank, a valve which is opened and closed simultaneously with the sand flushing pump is arranged on the conveying pipeline between the sand flushing pump and the sand flushing nozzle, the water storage bag is higher than the grinding material tank, and the lower end of the water storage bag is connected to the conveying pipeline between the sand flushing nozzle and the valve. The utility model can play a role of blocking the conveying pipeline from siphoning through the valve, and meanwhile, the water storage bag and the check valve are additionally arranged above the highest position of the pipeline generating siphoning, so that when the sand washing pump stops using, the formation of a siphon loop is effectively blocked through the combined action of the valve and the pressure water storage bag, and the effect of double blocking is played for the siphoning field of the sand washing nozzle.

Description

Device capable of preventing sand flushing nozzle in grinding material tank from being blocked

Technical Field

The utility model mainly relates to the technical field of high-pressure water jet sand blasting cleaning, in particular to a device capable of preventing a sand flushing nozzle in an abrasive tank from being blocked.

Background

During the use of the high-pressure water jet sand blasting cleaning equipment, the grinding materials are required to be homogenized and slurried by spraying water and washing sand through the sand washing nozzle, and the sand washing water of the sand washing nozzle is pumped from the lower part by a sand washing pump and is supplied by a pipeline pump. However, when the sand washing pump is stopped, the liquid level of the abrasive tank is far higher than that of the sand washing pump (and the water inlet of the sand washing pump is located in a sedimentation tank below the sand washing pump), so that liquid level difference is caused to cause siphon backflow of a pipeline, abrasive enters the sand washing nozzle, a fine flushing hole of the sand washing nozzle is further blocked, and the normal work of the sand washing nozzle is influenced. The existing device for preventing the sand flushing nozzle in the grinding material tank from being blocked has a certain anti-siphon effect, but has a limited effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: aiming at the technical problems in the prior art, the utility model provides a device for preventing a sand flushing nozzle in an abrasive tank from being blocked due to siphon abrasive backflow, thereby solving the problems.

In order to achieve the purpose, the utility model discloses a device capable of preventing a sand flushing nozzle in a grinding material tank from being blocked, which comprises the grinding material tank, the sand flushing nozzle, a sand flushing pump, a conveying pipeline, a water storage bag and a check valve conducting towards the inside of the water storage bag in a one-way mode, wherein one end of the conveying pipeline is connected with the sand flushing pump, the other end of the conveying pipeline is connected with the sand flushing nozzle arranged in the grinding material tank, a valve is arranged on the conveying pipeline between the sand flushing pump and the sand flushing nozzle, the water storage bag is higher than the grinding material tank, and the lower end of the water storage bag is connected to the conveying pipeline between the sand flushing nozzle and the valve.

Further, the valve is arranged to be opened or closed simultaneously with the sand washing pump.

Furthermore, the valve is an automatically controlled pneumatic control valve.

Furthermore, the water storage bag further comprises a check valve pipeline, wherein the check valve is a horizontal check valve, one end of the check valve pipeline is connected with the water storage bag, and one end of the check valve is installed at the other end, inclined upwards, of the check valve pipeline.

Furthermore, the included angle between the check valve pipeline and the horizontal plane is 25-45 degrees.

Further, the other end of check valve is connected with the return air pipeline of a vertical setting, the lower extreme of return air pipeline is located the top of abrasive tank.

Furthermore, the conveying pipeline comprises a horizontal water inlet pipeline, a sand washing water inlet pipeline and a three-way pipe fitting, the horizontal water inlet pipeline is higher than the abrasive tank and is arranged between the valve and the sand washing nozzle, and the three-way pipe fitting is simultaneously connected with the sand washing nozzle, the valve and the water storage bag.

Compared with the prior art, the utility model has the advantages that:

the utility model can block the siphon action of the conveying pipeline by adding the valve which is opened and closed simultaneously with the sand washing pump on the conveying pipeline of the sand washing pump, and meanwhile, the water storage bag and the check valve are added above the highest position of the pipeline generating the siphon action, when the sand washing pump stops using, the formation of a siphon loop is effectively blocked by the combined action of the valve and the pressure water storage bag, and backflow water is formed to further prevent the sand washing nozzle from being blocked, thereby achieving the effect of double blocking action on the siphon site of the sand washing nozzle. The device has simple and reliable structure, effectively avoids the sand washing nozzle from being blocked by the reflowed abrasive, and ensures the effect of making slurry on the abrasive in the abrasive tank by the sand washing nozzle, thereby improving the stability and the product quality of the high-pressure water jet sand blasting cleaning equipment.

The present invention will be described in further detail below with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

fig. 1 is a schematic structural diagram of a device capable of preventing a sand flushing nozzle in an abrasive tank from being blocked according to an embodiment of the utility model.

Illustration of the drawings:

1. a sedimentation tank; 2. a sand washing pump; 3. a valve; 4. a tee pipe fitting; 5. a water storage bag; 6. a check valve; 7. an abrasive tank overflow level; 8. an abrasive tank; 9. a sand flushing nozzle; 10. a horizontal water inlet pipeline; 11. a sand washing water inlet pipeline; 12. anti-blocking pipelines; 13. a check valve line; 14. a gas return line.

Detailed Description

The embodiments of the utility model will be described in detail below with reference to the drawings, but the utility model can be implemented in many different ways as defined and covered by the claims.

As shown in figure 1, the utility model discloses a novel device for preventing a sand washing nozzle in a grinding material tank from being blocked, which comprises a sand washing pump 2, a valve 3, a tee pipe fitting 4, a sand washing nozzle 9, a horizontal water inlet pipeline 10, a sand washing water inlet pipeline 11 and an anti-blocking pipeline 12, wherein the anti-blocking pipeline 12 comprises a water storage bag 5, a check valve pipeline 13, a check valve 6 and a gas return pipeline 14, the sand washing pump 2 is arranged below the sand washing nozzle 9, the valve 3 is an automatically controlled pneumatic control valve, the water inlet end of the sand washing pump 2 pumps water from a sedimentation tank 1, the water outlet end of the sand washing pump 2 is connected with the valve 3 through a pipeline, the valve 3 is connected with the horizontal water inlet pipeline 10 through a pipeline pipe fitting, the tee pipe fitting 4 is respectively connected with the horizontal water inlet pipeline 10, the sand washing water inlet pipeline 11 and the anti-blocking pipeline 12, the sand washing water inlet pipeline 11 is connected with the sand washing nozzle 9 through a pipeline pipe fitting, the water storage bag 5 is arranged right above the tee pipe fitting 4 and is connected through the anti-blocking pipeline 12, meanwhile, the water storage bag 5 is higher than the overflow liquid level 7 of the abrasive tank 8, one end of the check valve 6 is arranged at the tail end of the check valve pipeline 13 which inclines upwards, and the check valve 6 can adopt other check valves which are communicated with the check valve pipeline 13 from the outside in a one-way mode.

In this embodiment, check valve 6 is the horizontal check valve, and the horizontal check valve is the contained angle 30 with horizontal position and arranges and be connected with water storage package 5 through check valve pipeline 13, and the outlet of return air pipeline 14 is located the abrasive material jar 8 top to, under the effect of gravity, the check valve plate of horizontal check valve can be opened, and when sand washing pump 2 began working, water storage package 5 continued full water in-process, can pass through the exhaust of horizontal check valve. After the water storage bag 5 is filled with water, the water flow can close the check valve plate under the action of water force when flowing to the horizontal check valve, so that one-way stopping is realized, and the horizontal check valve is convenient for exhausting and air intake while realizing the one-way stopping of the water flow.

In this embodiment, the horizontal water inlet line 10 and the tee fitting 4 are both higher than the overflow level 7 of the abrasive tank, and the other end of the check valve 6 is connected with a vertically arranged air return line 14, the lower end of the air return line 14 is located above the abrasive tank 8, so that once the outflow water of the horizontal check valve directly enters the abrasive tank 8.

The working principle of the device is as follows:

when the sand washing pump 2 works, the valve 3 is opened, after the water storage bag 5 is filled with water, the check valve 6 above the water storage bag 5 is closed due to the action of water pressure of the pipeline, and pressure water can only enter the sand washing nozzle 9 through the sand washing water inlet pipeline 11 after passing through the tee pipe fitting 4. When the sand washing pump 2 stops working, the valve 3 is closed, the siphon field generated by the high-low liquid level difference of the sand washing pump 2 and the sand washing nozzle 9 can be blocked, the check valve 6 can be rapidly opened under the action of gravity due to the action of losing water pressure, air enters the water storage bag 5, and water stored in the water storage bag flows out along the anti-blocking pipeline 12 and the sand washing water inlet pipeline 11 under the action of gravity, so that the siphon phenomenon is further prevented.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a can prevent device that sand washing mouth blockked up in abrasive tank, its characterized in that, including abrasive tank (8), sand washing mouth (9), sand washing pump (2), pipeline, water storage package (5) and to one-way check valve (6) that switch on in water storage package (5), pipeline's one end is connected with sand washing pump (2), and the other end is connected with sand washing mouth (9) that set up in abrasive tank (8), be provided with a valve (3) on the pipeline between sand washing pump (2) and sand washing mouth (9), water storage package (5) are higher than abrasive tank (8) set up, the lower extreme of water storage package (5) is connected to on the pipeline between sand washing mouth (9) and valve (3).

2. Device capable of preventing clogging of the flushing nozzle in the tank according to claim 1, characterized in that the valve (3) is arranged to be opened or closed simultaneously with the flushing pump (2).

3. The device capable of preventing the sand-flushing nozzle in the grinding material tank from being blocked according to the claim 1, characterized in that the valve (3) is an automatically controlled air control valve.

4. The device capable of preventing the blockage of the sand flushing nozzle in the grinding material tank is characterized by further comprising a check valve pipeline (13), wherein the check valve (6) is a horizontal check valve, one end of the check valve pipeline (13) is connected with the water storage bag (5), and one end of the check valve (6) is arranged at the other end, which is inclined upwards, of the check valve pipeline (13).

5. Device for preventing clogging of the nozzles in the grinding tank according to claim 4, characterised in that the angle of the non-return valve line (13) to the horizontal is 25-45 °.

6. Device for preventing clogging of a nozzle in an abrasive tank according to claim 4, characterized in that a vertically arranged return line (14) is connected to the other end of the non-return valve (6), the lower end of the return line (14) being located above the abrasive tank (8).

7. Device for preventing clogging of the nozzle in the grinding tank according to any of claims 1 to 6, characterized in that said feed line comprises a horizontal feed line (10), a sand washing feed line (11) and a tee (4), said horizontal feed line (10) being arranged higher than said grinding tank (8) and being arranged between the valve (3) and the nozzle (9), said tee (4) being connected to said nozzle (9), valve (3) and water storage pack (5) simultaneously.