Online cleaning system

Abstract

The utility model discloses an on-line cleaning system which comprises a centrifugal pump and a plate heat exchanger connected with the centrifugal pump, the water inlet end of the centrifugal pump is respectively communicated with a first pipeline, a second pipeline and a third pipeline, the first pipeline is communicated with a purification tank, the plate heat exchanger is provided with a steam inlet and a steam outlet, and the steam outlet is communicated with the purification tank. A water outlet pipeline of the plate heat exchanger is connected with a tank body cleaning pipeline; and the tank body cleaning pipeline is communicated with the purification tank. Compared with the prior art, the cleaning device does not need to be temporarily stored, can directly heat the cleaning liquid and then supply the cleaning liquid to the main machine for use, and is relatively simple in cleaning process, simple in overall structure and small in occupied space. And secondly, multiple water sources are provided by arranging the first pipeline and the second pipeline, and the actual requirements can be better met. And thirdly, a tank body cleaning pipeline is arranged, so that self-cleaning of the purification tank can be completed.

Description

Technical Field

[0001] The utility model relates to the technical field of online cleaning, in particular to an online cleaning system. Background Art

[0002] External equipment such as wet granulators, fluidized beds, coating machines, etc. require automatic cleaning. The patent with publication number CN109261629B discloses an online cleaning support system, including: a cache module, the water inlet end of the cache module is respectively connected to a liquid inlet module, the water outlet end of the cache module is respectively connected to a centrifugal pump and a liquid discharge module; a centrifugal pump, the water outlet end of the centrifugal pump is respectively connected to a cleaning interface module and a heating module, the water outlet end or water inlet end of the centrifugal pump is connected to a washing liquid module, a first valve is connected between the centrifugal pump and the heating module, and the water outlet end of the heating module is connected to the cache module. When providing heated water: the cleaning liquid that needs to be heated in the liquid inlet module enters from the cache module, passes through the centrifugal pump, and then passes through the heating module. The heating module returns to the cache module, and then flows from the cache module to the cleaning interface module to perform agent cleaning on the external equipment; this design mode requires an additional cache module for reflux heating, and the cleaning process is relatively complicated; secondly, the heating module uses electric heating, and electricity is prone to explosion when encountering dust. If steam heating is used, it will be safer, but it is difficult to control the amount of steam during steam heating. Utility Model Content

[0003] The utility model provides an online cleaning system to solve at least one problem in the background technology.

[0004] The utility model provides an online cleaning system, comprising a centrifugal pump and a plate heat exchanger connected to the centrifugal pump, wherein the water inlet end of the centrifugal pump is respectively connected with a first pipeline, a second pipeline and a third pipeline, the first pipeline is connected with a purification tank, the plate heat exchanger is provided with a steam inlet and a steam outlet, the water outlet pipeline of the plate heat exchanger is connected with a tank cleaning pipeline, and the tank cleaning pipeline is connected with the purification tank.

[0005] Preferably, the steam inlet of the plate heat exchanger is connected to an external steam pipeline with a steam proportion control valve.

[0006] Preferably, a filter is provided on the external steam pipeline.

[0007] Preferably, the external steam pipeline is also provided with a first stop valve and a pressure gauge.

[0008] Preferably, a cleaning ball connected to a tank cleaning pipeline is provided in the purification tank.

[0009] Preferably, the purification tank is connected to a sampling diaphragm valve.

[0010] Preferably, it further comprises a detergent box and a metering pump, wherein the detergent box is connected to the centrifugal pump through a third pipe, and the metering pump is arranged on the third pipe.

[0011] Preferably, the water inlet pipe of the centrifugal pump is connected to a drainage pipe, and a valve is provided on the pipeline connecting the detergent box and the drainage pipe.

[0012] Preferably, the steam outlet of the plate heat exchanger is connected to a steam discharge pipe with a steam trap and a second stop valve.

[0013] Preferably, a pneumatic diaphragm valve is provided on the first pipeline.

[0014] Compared with the prior art, in the utility model, purified water enters the purification tank through the sampling diaphragm valve, enters the first pipeline after passing through the pneumatic diaphragm valve, and then enters the plate heat exchanger after passing through the centrifugal pump to heat the purified water. Then the plate heat exchanger outputs the heated purified water to the host through the outlet pipe. The utility model does not require caching, and can directly heat the cleaning liquid and then supply it to the host. The cleaning process is relatively simple, the overall structure is simple, and the space occupied is small. Secondly, by setting the first pipeline and the second pipeline to provide a variety of water sources, it can better meet actual needs. Thirdly, a tank cleaning pipeline is set to complete the self-cleaning of the purification tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is the front view of the utility model;

[0017] Figure 2 It is a rear view of the utility model;

[0018] Figure 3 It is a right side view of the utility model;

[0019] Figure 4 It is a top view of the utility model.

[0020] Reference numerals:

[0021] 1. Centrifugal pump, 2. Plate heat exchanger, 3. First pipeline, 4. Second pipeline, 5. Third pipeline, 6. Purification tank, 7. Tank cleaning pipeline, 8. External steam pipeline, 9. Steam proportional control valve, 10. Filter, 11. First stop valve, 12. Pressure gauge, 13. Cleaning ball, 14. Sampling diaphragm valve, 15. Detergent box, 16. Metering pump, 17. Drainage pipeline, 18. Valve, 19. Steam trap, 20. Second stop valve, 21. Steam discharge pipeline, 22. Pneumatic diaphragm valve, 23. Respirator, 24. Water outlet pipeline, 25. Water inlet pipeline. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described clearly and completely in conjunction with the drawings in the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Refer to the attached Figure 4 This embodiment provides an online cleaning system, including a centrifugal pump 1 and a plate heat exchanger 2 connected to the centrifugal pump 1. For details, refer to the attached Figure 3 , the centrifugal pump 1 is connected to the plate heat exchanger 2 through the water inlet pipe 25, and the centrifugal pump 1 drives the cleaning liquid into the plate heat exchanger 2. The water inlet end of the centrifugal pump 1 is respectively connected to the first pipe 3, the second pipe 4 and the third pipe 5. The first pipe 3 is connected to the purification tank 6. The plate heat exchanger 2 is provided with a steam inlet and a steam outlet. Steam heating is adopted, which is relatively safe. The water outlet pipe 24 of the plate heat exchanger 2 is connected to the tank cleaning pipe 7. The water outlet pipe 24 is connected to the main machine, and the tank cleaning pipe 7 is connected to the purification tank 6. The utility model does not need to be cached, and the cleaning liquid can be directly heated and then supplied to the main machine. The cleaning process is relatively simple, the overall structure is simple, and the space occupied is small. Secondly, by setting the first pipe 3 and the second pipe 4 to provide a variety of water sources, the actual needs can be better met. Thirdly, the tank cleaning pipe 7 is set to complete the self-cleaning of the purification tank 6.

[0024] Specifically, a valve 18 is provided on the tank cleaning pipeline 7 , and the valve 18 is opened when the purification tank 6 is cleaned.

[0025] As another embodiment of the present invention: Figure 1 The steam inlet of the plate heat exchanger 2 is connected to an external steam pipeline 8 with a steam proportional control valve 9. The steam proportional control valve 9 is set to control the air intake to control the temperature of the cleaning liquid.

[0026] As another embodiment of the utility model: a filter 10 is provided on the external steam pipe 8, and specifically, the filter 10 is a Y-type filter. The system filters impurities in the steam by providing the filter 10.

[0027] As another embodiment of the present utility model: a first stop valve 11 and a pressure gauge 12 are further provided on the external steam pipe 8, and the safety of heating the cleaning liquid is improved through this structural design.

[0028] As another embodiment of the present invention: Figure 2 A cleaning ball 13 connected to the tank cleaning pipeline 7 is provided in the purification tank 6 , and the cleaning ball 13 is arranged at the top of the purification tank 6 .

[0029] As another embodiment of the present utility model: the purification tank 6 is connected with a sampling diaphragm valve 14 .

[0030] As another embodiment of the present invention: Figure 2 The present embodiment further includes a detergent box 15 and a metering pump 16. The detergent box 15 is connected to the centrifugal pump 1 through a third pipe 5. The metering pump 16 is arranged on the third pipe 5. Specifically, the metering pump 16 is a mechanical diaphragm metering pump. The mechanical diaphragm metering pump can accurately add detergent to the cleaning liquid.

[0031] As another embodiment of the present invention: the water inlet pipe of the centrifugal pump 1 is connected to a drainage pipe 17, and a valve 18 is provided on the pipeline connecting the detergent box 15 and the drainage pipe 17. Specifically, the valve 18 is a manual ball valve.

[0032] For details, please refer to the attached Figure 3 , a respirator 23 is provided on the purification tank 6.

[0033] As another embodiment of the present invention: the steam outlet of the plate heat exchanger 2 is connected to a steam discharge pipe 21 with a steam trap 19 and a second stop valve 20.

[0034] Specifically, a pneumatic diaphragm valve 22 is provided on the first pipeline 3 , and a compressed air pipeline is also connected to the water outlet pipeline 24 of the plate heat exchanger 2 .

[0035] In the utility model, purified water enters the purification tank 6 through the sampling diaphragm valve 14, enters the first pipeline 3 after passing through the pneumatic diaphragm valve 22, and then enters the plate heat exchanger 2 after passing through the centrifugal pump 1 to heat the purified water. Then the plate heat exchanger 2 outputs the heated purified water to the host through the outlet pipe 24. Among them, the process of the plate heat exchanger 2 heating the cleaning liquid is as follows: the heating steam enters the steam inlet of the plate heat exchanger 2 after passing through the pressure gauge 12, the first stop valve 11, the Y-type filter 10 and the steam proportional control valve 9 of the steam external pipe in sequence, and the heating steam heats the cleaning liquid and is discharged from the steam outlet through the steam trap 19 and the second stop valve 20. The process of adding detergent is as follows: the detergent box 15 is filled with detergent, which can be added to the water inlet pipe of the centrifugal pump 1 through the third pipe 5 by the mechanical diaphragm metering pump. Secondly, the heated water in the outlet pipe 24 enters the cleaning ball 13 after passing through the tank cleaning pipe 7, and the purification tank 6 can be cleaned.

[0036] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. An online cleaning system, characterized in that: The invention comprises a centrifugal pump (1) and a plate heat exchanger (2) connected to the centrifugal pump (1), wherein the water inlet end of the centrifugal pump (1) is respectively connected to a first pipeline (3), a second pipeline (4) and a third pipeline (5), the first pipeline (3) is connected to a purification tank (6), the plate heat exchanger (2) is provided with a steam inlet and a steam outlet, the water outlet pipeline (24) of the plate heat exchanger (2) is connected to a tank cleaning pipeline (7), and the tank cleaning pipeline (7) is connected to the purification tank (6).

2. The online cleaning system according to claim 1, characterized in that: The steam inlet of the plate heat exchanger (2) is connected to an external steam pipeline (8) with a steam proportional control valve (9).

3. The online cleaning system according to claim 2, characterized in that: The external steam pipeline (8) is provided with a filter (10).

4. The online cleaning system according to claim 3, characterized in that: The external steam pipeline (8) is also provided with a first stop valve (11) and a pressure gauge (12).

5. The online cleaning system according to claim 1, characterized in that: The purification tank (6) is provided with a cleaning ball (13) which is connected to the tank cleaning pipeline (7).

6. The online cleaning system according to claim 1, characterized in that: The purification tank (6) is connected to a sampling diaphragm valve (14).

7. The online cleaning system according to claim 1, characterized in that: It also comprises a detergent box (15) and a metering pump (16); the detergent box (15) is connected to the centrifugal pump (1) via a third pipeline (5); and the metering pump (16) is arranged on the third pipeline (5).

8. The online cleaning system according to claim 7, characterized in that: The water inlet pipe of the centrifugal pump (1) is connected to a drainage pipe (17), and a valve (18) is provided on the pipeline connecting the detergent box (15) and the drainage pipe (17).

9. The online cleaning system according to claim 1, characterized in that: The steam outlet of the plate heat exchanger (2) is connected to a steam discharge pipe (21) with a steam trap (19) and a second stop valve (20).

10. The online cleaning system according to claim 1, characterized in that: A pneumatic diaphragm valve (22) is provided on the first pipeline (3).

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