CN214950854U - Online cleaning device for plate heat exchanger - Google Patents
Online cleaning device for plate heat exchanger Download PDFInfo
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- CN214950854U CN214950854U CN202120821779.9U CN202120821779U CN214950854U CN 214950854 U CN214950854 U CN 214950854U CN 202120821779 U CN202120821779 U CN 202120821779U CN 214950854 U CN214950854 U CN 214950854U
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- water tank
- heat exchanger
- plate heat
- cleaning device
- water
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Abstract
The utility model discloses an online cleaning device for a plate heat exchanger, belonging to the technical field of heat exchanger cleaning, comprising a water tank fixed on a moving frame, a pH detector, a water pump and a valve, wherein the pH detector is installed on the water tank, the detection part of the pH detector is positioned in the water tank, the inlet of the water pump passes through a pipeline water tank, and the water tank is provided with a cleaning liquid filling port; during the use, the water pump export is through outlet valve and pipe connection plate heat exchanger import, and the plate heat exchanger export is through inlet valve and pipe connection water tank, the utility model discloses a belt cleaning device that can be connected with the heat exchanger fast realizes the exempting from of heat exchanger and tears the washing open, and is convenient promptly, can not increase the heat exchanger cost again, and belt cleaning device designs into movable, and convenient the removal adapts to different service environment.
Description
Technical Field
The utility model belongs to the technical field of the heat exchanger washs, concretely relates to plate heat exchanger online cleaning device.
Background
In the plate heat exchanger, because water flows between the plates of the plate heat exchanger, the mediums on two sides of the plates are continuously subjected to heat exchange, namely heat exchange and cooling, so that various impurities are easily deposited, and the flow section is small due to the corrugated herringbone buffer, so that scale which is difficult to dissolve is formed on the plates. The water flow is reduced after a long time, the heat exchange capacity of the heat exchanger is influenced, and the heat exchange efficiency of the heat exchanger is influenced, so that regular cleaning is necessary, the damage of scales to the plate can be reduced, and the service life of the heat exchanger is prolonged.
At present, plate heat exchangers are disassembled after the whole system is stopped, plates are taken down and washed by a high-pressure water gun or soaked in a liquid medicine pool, and a large amount of manpower, material resources and time are occupied. The service life of the sealing rubber gasket of the heat exchanger is reduced due to repeated disassembly and tightening of the plate replacement sometimes; the plate may be slightly deformed during high pressure flushing.
Of course, some heat exchanger devices are provided with the chemical feeding and dirt removing device, but the cleaning mode needs to be provided with the dirt removing device for each heat exchanger device in a false mode, the cost is high, and the dirt removing device cannot be moved.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that needs to solve provides a plate heat exchanger online cleaning device, and the device is portable, when wasing the heat exchanger, need not dismantle the heat exchanger, improves heat exchanger life, and is efficient.
In order to solve the above problems, the utility model adopts the following technical proposal:
an online cleaning device for a plate heat exchanger comprises a water tank, a pH detector, a water pump and a valve, wherein the water tank is fixed on a movable frame; when the water pump is used, the outlet of the water pump is connected with the inlet of the plate heat exchanger through the outlet valve and the pipeline, and the outlet of the plate heat exchanger is connected with the water tank through the inlet valve and the pipeline.
Preferably, a filter screen is arranged in the water tank, the filter screen is vertically arranged, and the inner space of the water tank is divided into a left part and a right part.
Preferably, the water tank is further provided with a sewage discharge valve, and the sewage discharge valve is positioned at the bottom of the water tank and used for discharging sewage.
Preferably, the water tank is also provided with a water inlet valve, and the water inlet valve is positioned at the upper part of the water tank and is used for filling tap water.
Preferably, a Y-shaped filter is arranged on a pipeline between the water pump and the water tank.
Preferably, a control cabinet for controlling the operation of the water pump is fixed on the side surface of the water tank.
Preferably, the moving frame comprises a frame and wheels, and the wheels are arranged at four angular positions at the bottom of the frame.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
the utility model discloses a belt cleaning device that can be connected with the heat exchanger fast realizes the exempting from of heat exchanger to tear open and washs, and is convenient promptly, can not increase the heat exchanger cost again, and belt cleaning device designs into movable, and convenient the removal adapts to different service environment.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a flowchart of the operation of the present invention.
Detailed Description
The utility model is described in further detail below with reference to the attached drawings:
as shown in fig. 1 and 2, the utility model provides an online cleaning device for a plate heat exchanger, which comprises a water tank 9 fixed on a moving frame, a pH detector 5, a water pump 2 and a valve, wherein the pH detector is installed on the water tank, the detection part of the pH detector is positioned in the water tank, the inlet of the water pump is connected with the water tank through a pipeline, and the water tank is provided with a cleaning liquid filling port 1; when the water pump is used, the outlet of the water pump is connected with the inlet of the plate heat exchanger through the outlet valve 3 and a pipeline, and the outlet of the plate heat exchanger is connected with the water tank through the inlet valve 4 and the pipeline.
In order to prevent the water pump circulation system from being carried out by the magazines in the heat exchanger, a filter screen 10 is arranged in the water tank and is vertically arranged, and the inner space of the water tank is divided into a left part and a right part.
In order to discharge the cleaning waste liquid conveniently, a sewage discharge valve 11 is further arranged on the water tank and is located at the bottom of the water tank and used for discharging sewage.
In order to facilitate the water adding for washing, the water tank is also provided with a water inlet valve 8, and the water inlet valve is positioned at the upper part of the water tank and used for filling tap water.
In order to prevent solids such as impurities from entering the water pump, damage to the water pump and facilitate cleaning of the impurities, a Y-shaped filter 12 is arranged on a pipeline between the water pump and the water tank.
In order to make the whole device portable and convenient to move, a control cabinet 6 for controlling the operation of the water pump is fixed on the side surface of the water tank, so that the control cabinet and the whole device form a whole.
In order to facilitate the movement of the whole device, the movable frame comprises a frame and wheels, and the wheels are arranged at four angular positions at the bottom of the frame.
In order to prevent the water pump from idling, an observation window is arranged on the side wall of the water tank, so that the water level can be observed at any time, of course, a liquid level meter can be arranged, and a control signal of the liquid level meter is used as a control signal for controlling the operation of the water pump.
The working principle is as follows:
1. firstly, a metal hose with a quick connecting joint is used for connecting an inlet valve and an outlet valve of a cleaning device with an inlet and an outlet of the plate heat exchanger needing cleaning.
2. And switching on a 220V alternating current power supply.
3. After the cleaning liquid is added, a starting switch on the control cabinet is started, the amount of the cleaning liquid added is controlled according to the height of the liquid level in the water tank, and the liquid level mainly prevents the water tank from being lack of liquid to cause the idling of the water pump.
4. After the water pump is started and the cleaning liquid is filled in the inner space of the plate heat exchanger, the water pump is controlled to stop, the inlet valve is kept open, so that the cleaning agent reacts with dirt in the plate heat exchanger to generate gas, and the gas can be discharged to the water tank through the inlet valve in time and then is discharged through the water tank (cleaning liquid filling port).
5. After the cleaning solution is soaked in the plate heat exchanger for 30-45 minutes, a starting switch on the control cabinet is started to enable the soaking solution to circulate, meanwhile, a pH value of the solution is detected by a pH detector, and if the pH value rises by 3 values, new cleaning solution needs to be added successively and redundant used agents are removed.
6. When the pH value of the cleaning liquid in the detection circulation tends to a stable value, the machine can be stopped, and cleaning agents in the heat exchanger and the cleaning device are discharged.
7. After the cleaning solution is drained completely, the online cleaning device is started to wash by adding tap water or softened water, meanwhile, the pH value of the solution is detected by a pH detector, and when the pH value is consistent with that of the added water, the equipment is proved to be cleaned completely.
8. And repeating the steps to clean for another time after one side of the plate heat exchanger is cleaned.
Claims (7)
1. The utility model provides a plate heat exchanger online cleaning device which characterized in that: the cleaning solution filling device comprises a water tank (9), a pH detector (5), a water pump (2) and a valve, wherein the water tank is fixed on a movable vehicle frame, the pH detector is arranged on the water tank, the detection part of the pH detector is positioned in the water tank, the inlet of the water pump is connected with the water tank through a pipeline, and a cleaning solution filling port (1) is arranged on the water tank; during the use, the water pump export is through export valve (3) and pipe connection plate heat exchanger (7) import, and the plate heat exchanger export is through import valve (4) and pipe connection water tank.
2. The on-line cleaning device for the plate heat exchanger according to claim 1, characterized in that: a filter screen (10) is arranged in the water tank and is vertically arranged to divide the inner space of the water tank into a left part and a right part.
3. The on-line cleaning device for the plate heat exchanger according to claim 2, characterized in that: the water tank is also provided with a sewage discharge valve (11) which is positioned at the bottom of the water tank and used for discharging sewage.
4. The on-line cleaning device for the plate heat exchanger according to claim 2, characterized in that: and the water tank is also provided with a water inlet valve (8), and the water inlet valve is positioned at the upper part of the water tank and is used for filling tap water.
5. The on-line cleaning device for the plate heat exchanger according to claim 2, characterized in that: and a Y-shaped filter (12) is arranged on a pipeline between the water pump and the water tank.
6. The on-line cleaning device for the plate heat exchanger according to claim 2, characterized in that: and a control cabinet (6) for controlling the operation of the water pump is fixed on the side surface of the water tank.
7. An on-line cleaning device for a plate heat exchanger according to any one of claims 1 to 6, characterized in that: the movable frame comprises a frame and wheels (13), and the wheels are arranged at four angular positions at the bottom of the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120821779.9U CN214950854U (en) | 2021-04-21 | 2021-04-21 | Online cleaning device for plate heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120821779.9U CN214950854U (en) | 2021-04-21 | 2021-04-21 | Online cleaning device for plate heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214950854U true CN214950854U (en) | 2021-11-30 |
Family
ID=79043485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120821779.9U Active CN214950854U (en) | 2021-04-21 | 2021-04-21 | Online cleaning device for plate heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214950854U (en) |
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2021
- 2021-04-21 CN CN202120821779.9U patent/CN214950854U/en active Active
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