CN217604801U - Cleaning device of heat exchanger - Google Patents
Cleaning device of heat exchanger Download PDFInfo
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- CN217604801U CN217604801U CN202221616301.3U CN202221616301U CN217604801U CN 217604801 U CN217604801 U CN 217604801U CN 202221616301 U CN202221616301 U CN 202221616301U CN 217604801 U CN217604801 U CN 217604801U
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Abstract
The present disclosure relates to a cleaning device for a heat exchanger, including: a liquid storage tank; one end of a liquid outlet pipe in the cleaning mechanism is communicated with the liquid storage tank, the first pipeline switcher is connected to the other end of the liquid outlet pipe and is respectively used for being communicated with a cooling water inlet of the heat exchanger and a water outlet of an external pipeline, the cooling water inlet of the heat exchanger can be selectively communicated with the water outlet of the external pipeline or communicated with an outlet of the liquid outlet pipe, and the pump is arranged on the liquid outlet pipe; return the one end and the liquid reserve tank intercommunication of liquid pipe, the second pipeline switch is connected in the other end of returning the liquid pipe to be used for respectively with the cooling water export of heat exchanger and the return water mouth intercommunication of external pipeline, can selectively with the cooling water export of heat exchanger and the return water mouth intercommunication of external pipeline or with the cooling water export of heat exchanger and the entry intercommunication of returning the liquid pipe. Therefore, the inner pipe of the heat exchanger can be cleaned through the cleaning liquid on line, and the cleaning quality and the cleaning efficiency are improved.
Description
Technical Field
The disclosure relates to the field of cleaning equipment of heat exchangers, in particular to a cleaning device of a heat exchanger.
Background
At present, various small-size heat exchangers are used in industrial production, and in order to improve heat exchange efficiency, some small-size tubular heat exchanger pipeline internal diameters are less, and the pipe wall is thinner, the material hardness is lower, for example copper, aluminium goods. The inner pipe of the small-sized tubular heat exchanger can be blocked by silt and dirt after being used for a long time, wherein the small-sized tubular heat exchanger can be generally dredged and cleaned manually or cleaned by chemical agents.
In the related technology, when the interior of a pipeline is cleaned manually by using a tool, the cleaning efficiency is low, and meanwhile, because the manual operation quality cannot be guaranteed, the wall of the pipeline can be scratched when the tool is used, and the wall of the pipeline can be seriously punctured, so that the whole heat exchanger is scrapped; when chemical agents are used for cleaning, the small heat exchanger needs to be detached and then soaked or cleaned by a high-pressure water gun, and the cleaning mode also has the problems that the cleaning efficiency is low and the equipment is easily damaged in the cleaning process.
SUMMERY OF THE UTILITY MODEL
The purpose of this disclosure is to provide a cleaning device of heat exchanger, this device is used for solving and causes the pipe wall fish tail or damage problem when wasing heat exchanger inner tube among the relevant art.
In order to achieve the above object, the present disclosure provides a cleaning apparatus of a heat exchanger, including: the liquid storage tank is used for storing cleaning liquid; the cleaning mechanism comprises a pump, a liquid outlet pipe, a liquid return pipe, a first pipeline switcher and a second pipeline switcher; one end of the liquid outlet pipe extends into the liquid storage box and is communicated with the liquid storage box, the first pipeline switcher is connected to the other end of the liquid outlet pipe and is respectively used for being communicated with a cooling water inlet of the heat exchanger and a water outlet of an external pipeline, the cooling water inlet of the heat exchanger can be selectively communicated with the water outlet of the external pipeline or the cooling water inlet of the heat exchanger can be selectively communicated with an outlet of the liquid outlet pipe, and the pump is arranged on the liquid outlet pipe; return the one end of liquid pipe with the liquid reserve tank intercommunication, second pipeline switch connect in return the other end of liquid pipe to be used for respectively with the cooling water export of heat exchanger with the return water mouth intercommunication of external pipeline, can selectively with the cooling water export of heat exchanger with the return water mouth intercommunication of external pipeline or will the cooling water export of heat exchanger with the entry intercommunication of returning the liquid pipe.
Optionally, the first pipeline switcher comprises a first three-way pipe and two first stop valves, three openings of the first three-way pipe are respectively communicated with a cooling water inlet of the heat exchanger, an outlet of the liquid outlet pipe and a water outlet of the external pipeline, one of the first stop valves is arranged at the outlet of the liquid outlet pipe, and the other one of the first stop valves is arranged at the water outlet of the external pipeline; the second pipeline switcher comprises a second three-way pipe and two second stop valves, three openings of the second three-way pipe are respectively communicated with a cooling water outlet of the heat exchanger, an inlet of the liquid return pipe and a water return port of the external pipeline, one of the second stop valves is arranged at the inlet of the liquid return pipe, and the other second stop valve is arranged at the water return port of the external pipeline; alternatively, the first and second pipe switches are each configured as a three-way valve.
Optionally, the first shut-off valve and the second shut-off valve are both configured as control valves.
Optionally, the pump is configured as a pressure-adjustable plunger pump.
Optionally, the cleaning device for the heat exchanger further comprises a filter member, and the filter member is arranged in the liquid storage tank and located below the liquid return pipe.
Optionally, the bottom wall of the liquid storage tank is constructed into an inverted cone structure, and a blow-down valve is arranged at the bottom of the inverted cone structure.
Optionally, the cleaning device of the heat exchanger further comprises a liquid level sensor, and the liquid level sensor is arranged in the liquid storage tank.
Optionally, the cleaning device of the heat exchanger further comprises a water replenishing mechanism and a control mechanism; the water replenishing mechanism is communicated with the liquid storage tank; the control mechanism is respectively in communication connection with the liquid level sensor and the water supplementing mechanism.
Optionally, one end of the liquid outlet pipe extending into the liquid storage tank is provided with a filter screen.
Optionally, the cleaning device of the heat exchanger further comprises a support, the liquid storage tank is fixed to the support, and a traveling wheel is arranged at the bottom end of the support.
Through the technical scheme, through first pipeline switch and the second pipeline switch that sets up in the wiper mechanism, wherein, first pipeline switch is used for the delivery port intercommunication with the cooling water entry of heat exchanger and external pipeline, the second pipeline switch is used for the return water mouth intercommunication with the cooling water export of heat exchanger and external pipeline, so, can selectively with the cooling water entry of heat exchanger and the cooling water export of heat exchanger respectively with drain pipe and liquid return pipe intercommunication through controlling first pipeline switch and second pipeline switch, thereby can wash it in the inner tube that gets into the heat exchanger after the pump pressurizeing with the washing liquid in the receiver tank on line, cleaning quality and cleaning efficiency have been improved.
Additional features and advantages of the disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the principles of the disclosure and not to limit the dryer of the disclosure. In the drawings:
fig. 1 is a schematic structural view of a cleaning apparatus for a heat exchanger according to a first exemplary embodiment of the present disclosure;
fig. 2 is a schematic structural view of a cleaning apparatus for a heat exchanger according to a second exemplary embodiment of the present disclosure.
Description of the reference numerals
1-a liquid storage tank; 101-a filter element; 102-inverted cone structure; 103-a blowdown valve; 104-a liquid level sensor; 2-a cleaning mechanism; 201-a pump; 202-a liquid outlet pipe; 203-liquid return pipe; 204-a first pipe switch; 205-a second pipe switch; 206-a first tee; 207-first stop valve; 208-a second tee; 209-a second stop valve; 210-a screen; 3-cooling water inlet of heat exchanger; 4-water outlet of external pipeline; 5-cooling water outlet of heat exchanger; 6-a water return port of an external pipeline; 7-a water replenishing mechanism; 8-a scaffold; 9-road wheels.
Detailed Description
The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.
In the present disclosure, unless otherwise stated, the use of the directional terms such as "upper, lower, left, and right" generally refer to the definition of the use state of the cleaning device of the heat exchanger, and specifically refer to the drawing direction shown in fig. 1, "inner and outer" refer to the self-outline of the corresponding component, and furthermore, the terms "first", "second", and the like are used in the present disclosure to distinguish one element from another, and have no order or importance. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated.
As shown in fig. 1, the present disclosure provides a cleaning apparatus of a heat exchanger, including: a liquid storage tank 1 for storing a cleaning liquid; and a cleaning mechanism 2, including a pump 201, a liquid outlet pipe 202, a liquid return pipe 203, a first pipeline switch 204 and a second pipeline switch 205; one end of the liquid outlet pipe 202 extends into the liquid storage tank 1 to be communicated with the liquid storage tank 1, the first pipeline switcher 204 is connected to the other end of the liquid outlet pipe 202 and is respectively used for being communicated with a cooling water inlet 3 of the heat exchanger and a water outlet 4 of an external pipeline, the cooling water inlet 3 of the heat exchanger can be selectively communicated with the water outlet 4 of the external pipeline or the cooling water inlet 3 of the heat exchanger is communicated with an outlet of the liquid outlet pipe 202, and the pump 201 is arranged on the liquid outlet pipe 202; one end of the liquid return pipe 203 is communicated with the liquid storage tank 1, the second pipeline switch 205 is connected to the other end of the liquid return pipe 203 and is respectively used for being communicated with the cooling water outlet 5 of the heat exchanger and the water return port 6 of the external pipeline, and the cooling water outlet 5 of the heat exchanger can be selectively communicated with the water return port 6 of the external pipeline or the cooling water outlet 5 of the heat exchanger is communicated with the inlet of the liquid return pipe 203.
Through the above technical scheme, through the first pipeline switch 204 and the second pipeline switch 205 arranged in the cleaning mechanism 2, wherein the first pipeline switch 204 is communicated with the cooling water inlet 3 of the heat exchanger and the water outlet 4 of the external pipeline, the second pipeline switch 205 is used for being communicated with the cooling water outlet 5 of the heat exchanger and the water return port 6 of the external pipeline, and the first pipeline switch 204 and the second pipeline switch 205 can selectively communicate the cooling water inlet 3 of the heat exchanger and the cooling water outlet 5 of the heat exchanger with the liquid outlet pipe 202 and the liquid return pipe 203 respectively, and the liquid outlet pipe 202 and the liquid return pipe 203 are both communicated with the liquid storage tank 1. For example, in a normal working state of the heat exchanger, the first pipeline switch 204 communicates the cooling water inlet 3 of the heat exchanger with the water outlet 4 of the external pipeline, the second pipeline switch 205 communicates the cooling water outlet 5 of the heat exchanger with the water return port 6 of the external pipeline, when the inner pipe of the heat exchanger needs to be cleaned on line, the cooling water inlet 3 of the heat exchanger is communicated with the liquid outlet pipe 202 through the first pipeline switch 204, and the cooling water outlet of the heat exchanger is communicated with the liquid return pipe 203 through the second pipeline switch 205, so that a cleaning loop consisting of the liquid storage tank 1, the liquid outlet pipe 202, the pump 201, the inner pipe of the heat exchanger and the liquid return pipe 203 can be formed, and therefore, cleaning liquid in the liquid storage tank 1 can be pressurized through the pump 201, enters the inner pipe of the heat exchanger through the liquid outlet pipe 202, sludge and impurities on the inner pipe wall of the heat exchanger are repeatedly cleaned and dredged, and the cleaned cleaning liquid is recovered through the liquid return pipe 203, so that the cleaning quality and the cleaning efficiency are improved.
In some implementations, the first pipeline switch 204 includes a first three-way pipe 206 and two first stop valves 207, three openings of the first three-way pipe 206 are respectively communicated with the cooling water inlet 3 of the heat exchanger, the outlet of the liquid outlet pipe 202, and the water outlet 4 of the external pipeline, one of the first stop valves 207 is disposed at the outlet of the liquid outlet pipe 202, and the other one of the first stop valves 207 is disposed at the water outlet 4 of the external pipeline; the second pipeline switching device 205 comprises a second three-way pipe 208 and two second stop valves 209, three openings of the second three-way pipe 208 are respectively communicated with the cooling water outlet 5 of the heat exchanger, the inlet of the liquid return pipe 203 and the water return port 6 of the external pipeline, one of the second stop valves 209 is arranged at the inlet of the liquid return pipe 203, and the other second stop valve 209 is arranged at the water return port 6 of the external pipeline. In this way, when the inner tube of the heat exchanger needs to be cleaned, the first stop valve 207 installed at the water outlet 4 of the external pipeline is closed, the second stop valve 209 installed at the water return port 6 of the external pipeline is closed, the first stop valve 207 installed at the outlet of the liquid outlet pipe 202 and the second stop valve 209 installed at the inlet of the liquid return pipe are opened, so that the cleaning liquid in the liquid storage tank 1 can be pressurized by the pump 201 and then enters the inner tube of the heat exchanger from the liquid outlet pipe 202 to clean the inner tube of the heat exchanger, the cleaned liquid returns to the liquid storage tank 1 through the liquid return pipe 203, and the cleaning of the inner tube of the heat exchanger is completed by circulating for multiple times.
In some implementations, in order to facilitate the first tee 206 to rapidly communicate the cooling water inlet 3 of the heat exchanger, the water outlet 4 of the external pipeline, and the outlet of the liquid outlet pipe 202, quick-release joints are respectively disposed at three outlets of the first tee 206. Similarly, in order to facilitate the communication between the three openings of the second three-way pipe 208 and the cooling water outlet 5 of the heat exchanger, the inlet of the liquid return pipe 203, and the water return port 6 of the external pipeline, the three outlets of the second three-way pipe 208 are respectively provided with a quick-release joint. Wherein, quick detach connects for current equipment, and direct purchase can obtain.
It is understood that the structure of providing quick-release joints at the outlets of the first tee 206 and the second tee 208 is illustrative, and in other embodiments, other structures may be adopted, for example, quick-release joints may be provided at the cooling water inlet 3 of the heat exchanger, the cooling water outlet 5 of the heat exchanger, the water outlet 4 of the external pipeline, the water return port 6 of the external pipeline, the outlet of the liquid outlet pipe 202, and the inlet of the liquid return pipe 203. Certainly, in order to facilitate connecting the first three-way pipe 206 and the second three-way pipe 208 with the cooling water inlet 3 of the corresponding heat exchanger, the cooling water outlet 5 of the heat exchanger, the water outlet 4 of the external pipeline, the water return port 6 of the external pipeline, the outlet of the liquid outlet pipe 202 and the inlet of the liquid return pipe 203, a section of hose may be connected to the openings of the first three-way pipe 206 and the second three-way pipe 208, and quick-release joints are respectively arranged at two ends of the hose.
Further, as shown in fig. 2, both the first pipe switch 204 and the second pipe switch 205 may be configured as three-way valves. The three-way valve forming the first pipeline switch 204 is used for connecting the cooling water inlet 3 of the heat exchanger, the outlet of the liquid outlet pipe 202 and the water outlet 4 of the external pipeline and switching the connection through a control valve, so as to realize the communication between the cooling water inlet 3 of the heat exchanger and the water outlet 4 of the external pipeline or the communication between the cooling water inlet 3 of the heat exchanger and the liquid outlet pipe 202; similarly, the three-way valve forming the second pipeline switch 205 is used to connect the cooling water outlet 5 of the heat exchanger, the inlet of the liquid return pipe 203, and the water return port 6 of the external pipeline, and is switched by the control valve to connect the cooling water outlet 5 of the heat exchanger and the water return port 6 of the external pipeline, or connect the cooling water outlet 5 of the heat exchanger and the inlet of the liquid return pipe 203.
So, through the quick cooling water inlet 3 and the drain pipe 202 intercommunication with the heat exchanger of one of them three-way valve, wherein another three-way valve read soon with the cooling water outlet 5 and return liquid pipe 203 intercommunication of heat exchanger, so, can form the washing return circuit of constituteing by inner tube and the liquid return pipe 203 of liquid reserve tank 1, drain pipe 202, pump 201, heat exchanger, wash the inner tube of heat exchanger.
In some implementations, the first and second shut-off valves 207 and 209 may each be a control valve. For example, the first and second cutoff valves 207 and 209 are solenoid valves. In this manner, the opening and closing of the first and second cutoff valves 207 and 209 can be controlled remotely.
It is to be understood that the above-described configuration in which the first and second cutoff valves 207 and 209 are control valves is illustrative, and the first and second cutoff valves 207 and 209 may also be manual valves.
In some implementations, the pump 201 may be configured as a pressure adjustable plunger pump. So, control the pressure that gets into the washing liquid in the inner tube of heat exchanger through the adjustable plunger pump of pressure, can guarantee again that the inner tube in the heat exchanger can not damage because of pressure is too big in order to adapt to different heat exchanger specifications.
In some implementations, the cleaning device of the heat exchanger may further include a filter element 101, and the filter element 101 is disposed in the liquid storage tank and below the liquid return pipe 203. For example, the filtering member 101 may be a filtering hole plate, wherein the filtering hole plate is detachably installed in the liquid storage tank 1 all around, the filtering hole plate is provided with a plurality of filtering holes, and thus, through the arrangement of the filtering hole plate, so that the cleaned sludge and smaller impurities can pass through the filtering holes of the filtering hole plate, and precipitate to the bottom of the liquid storage tank 1 after being separated from the cleaning liquid, and can be discharged through the blowoff valve 103 arranged at the bottom, and the larger impurities are left on the filtering hole plate, and when the cleaning is finished, the larger impurities can be taken out by detaching the filtering hole plate.
In some implementations, the bottom wall of the reservoir 1 may be constructed as an inverted cone structure 102, and a drain hole may be opened at the bottom of the inverted cone structure 102, and the drain hole may be provided with an openable drain valve 103. For example, the liquid storage tank 1 may be made of stainless steel, and the stainless steel plate is welded to form the inverted cone structure 102 after being cut into corresponding steel plates by the thickness of 1.5mm, and the bottom of the inverted cone structure 102 is provided with an installation space or a drain hole for the drain valve 103, so that the inverted cone structure 102 is convenient for the sludge to settle and gather at the bottom of the drain valve 103, and the sludge is discharged by opening the drain valve 103.
In some implementations, the cleaning device of the heat exchanger may further include a liquid level sensor 104, the liquid level sensor 104 is disposed in the liquid storage tank 1, and the liquid level sensor 104 is located above the filter member 101. In this way, the water level in the liquid storage tank 1 can be monitored in real time through the setting of the liquid level sensor 104, and the water level in the liquid storage tank 1 is controlled to be maintained within a set range.
It should be noted that the liquid level sensor 104 may also be disposed outside the liquid storage tank 1, and may be communicated with the cleaning liquid inside the liquid storage tank 1 through a connecting pipeline, so as to monitor the liquid level in real time.
In some practical modes, the cleaning device of the heat exchanger can further comprise a water replenishing mechanism 7 and a control mechanism; the water replenishing mechanism 7 is communicated with the liquid storage tank 1; the control mechanism is respectively connected with the liquid level sensor 104 and the water replenishing mechanism 7 in a communication way. Wherein, moisturizing mechanism 7 includes moisturizing pipe and the moisturizing valve that sets up on the moisturizing pipe, and control mechanism can be the controller, and the controller can be singlechip or PLC controller, and the controller passes through level sensor 104 and acquires the real-time water level in the liquid reserve tank 1, selectively opens the moisturizing valve according to its water level change, maintains the water level in the liquid reserve tank 1 at the settlement within range. Certainly, in order to ensure the concentration of the cleaning liquid, a cleaning liquid feeding port is also arranged on the liquid storage tank 1.
It can be understood that the above controller can also be in communication connection with the first stop valve 207 and the second stop valve 209 or in communication connection with the three-way valve, so that the first stop valve 207 and the second stop valve 209 can be conveniently controlled by the controller to communicate the cooling water inlet 3 of the heat exchanger with the liquid outlet pipe 202, the second pipeline switcher 205 communicates the cooling water outlet of the heat exchanger with the liquid return pipe 203, a cleaning loop consisting of the liquid storage tank 1, the liquid outlet pipe 202, the pump 201, the inner pipe of the heat exchanger and the liquid return pipe 203 is formed, and the inner pipe of the heat exchanger is cleaned, so as to realize the automatic control of the whole device.
In some implementations, to prevent sludge and impurities from re-entering the outlet pipe 202, a filter screen 210 is provided at the end of the outlet pipe 202 extending into the tank 1.
In addition, the cleaning device of the heat exchanger can also comprise a support 8, the liquid storage tank 1 is fixed on the support 8, and a walking wheel 9 is arranged at the bottom end of the support 8. So, can be convenient for the belt cleaning device of heat exchanger to remove, adapt to more operating modes.
The cleaning process of the heat exchanger comprises the following steps:
firstly, the first pipeline switch 204 adopts a structure of a first three-way pipe 206 and two first stop valves 207, the second pipeline switch 205 adopts a structure of a second three-way pipe 208 and two second stop valves 209, three openings of the first three-way pipe 206 are respectively communicated with a cooling water inlet 3 of the heat exchanger, an outlet of the liquid outlet pipe 202 and a water outlet 4 of the external pipeline, one first stop valve 207 is arranged at the outlet of the liquid outlet pipe 202, and the other first stop valve 207 is arranged at the water outlet 4 of the external pipeline; the second pipeline switching device 205 comprises a second three-way pipe 208 and two second stop valves 209, three openings of the second three-way pipe 208 are respectively communicated with the cooling water outlet 5 of the heat exchanger, the inlet of the liquid return pipe 203 and the water return port 6 of the external pipeline, one of the second stop valves 209 is arranged at the inlet of the liquid return pipe 203, and the other second stop valve 209 is arranged at the water return port 6 of the external pipeline. The liquid outlet pipe 202 and the liquid return pipe 203 are communicated with the cooling water inlet 3 of the heat exchanger and the cooling water outlet 5 of the heat exchanger by closing the first cutoff valve 207 provided at the water outlet 4 of the external pipeline and the second cutoff valve 209 provided at the water return port 6 of the external pipeline and opening the first cutoff valve 207 provided at the outlet of the liquid outlet pipe 202 and the second cutoff valve 209 provided at the inlet of the liquid return pipe 203.
Starting a pump 201, enabling cleaning liquid in a liquid storage tank to enter an inner pipe of a heat exchanger and clean the inner pipe of the heat exchanger through a filter screen 210, a liquid outlet pipe 202, the pump 201, a first stop valve 207 arranged at an outlet of the liquid outlet pipe 202, a first three-way pipe 206 and a cooling water inlet 3 of the heat exchanger, enabling the cleaned liquid to flow back to the liquid storage tank 1 through a cooling water outlet 5 of the heat exchanger, a second three-way pipe 208, a second stop valve 209 arranged at an inlet of a liquid return pipe 203 and the liquid return pipe 203, wherein a liquid level sensor 104 is arranged in the liquid storage tank 1 and used for monitoring the water level in the liquid storage tank 1 in real time, and a controller controls the opening or closing of a water replenishing valve in a water replenishing mechanism 7 according to a water level value acquired by the liquid level sensor 104, so as to realize automatic water replenishing; and set up the filtration pore plate in liquid reserve tank 1, silt and less impurity after the washing can pass the filtration pore of filtration pore plate to construct the back taper structure 102 with liquid reserve tank 1 bottom of being connected with the filtration pore plate, thereby be convenient for silt and impurity deposit to the bottom of liquid reserve tank 1 after the washing liquid separation, and can discharge through the blowoff valve 103 that the bottom set up, and after the washing is accomplished, through support 8 and the removal belt cleaning device that walking wheel 9 that belt cleaning device includes can be convenient.
The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.
It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.
In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.
Claims (10)
1. A cleaning apparatus for a heat exchanger, comprising:
the liquid storage tank is used for storing cleaning liquid; and
the cleaning mechanism comprises a pump, a liquid outlet pipe, a liquid return pipe, a first pipeline switcher and a second pipeline switcher; one end of the liquid outlet pipe extends into the liquid storage tank and is communicated with the liquid storage tank, the first pipeline switcher is connected to the other end of the liquid outlet pipe and is respectively used for being communicated with a cooling water inlet of the heat exchanger and a water outlet of an external pipeline, the cooling water inlet of the heat exchanger can be selectively communicated with the water outlet of the external pipeline or communicated with an outlet of the liquid outlet pipe, and the pump is arranged on the liquid outlet pipe;
return the one end of liquid pipe with the liquid reserve tank intercommunication, second pipeline switch connect in return the other end of liquid pipe to be used for respectively with the cooling water export of heat exchanger with the return water mouth intercommunication of external pipeline, can selectively with the cooling water export of heat exchanger with the return water mouth intercommunication of external pipeline or will the cooling water export of heat exchanger with the entry intercommunication of returning the liquid pipe.
2. The cleaning device for the heat exchanger according to claim 1, wherein the first pipeline switcher comprises a first three-way pipe and two first stop valves, three openings of the first three-way pipe are respectively communicated with a cooling water inlet of the heat exchanger, an outlet of the liquid outlet pipe and a water outlet of the external pipeline, one of the first stop valves is arranged at the outlet of the liquid outlet pipe, and the other first stop valve is arranged at the water outlet of the external pipeline;
the second pipeline switcher comprises a second three-way pipe and two second stop valves, three openings of the second three-way pipe are respectively communicated with a cooling water outlet of the heat exchanger, an inlet of the liquid return pipe and a water return port of the external pipeline, one of the second stop valves is arranged at the inlet of the liquid return pipe, and the other second stop valve is arranged at the water return port of the external pipeline;
alternatively, the first and second line switches are both configured as three-way valves.
3. The cleaning device for a heat exchanger according to claim 2, wherein the first stop valve and the second stop valve are each configured as a control valve.
4. The cleaning device for a heat exchanger according to claim 1, wherein the pump is configured as a pressure-adjustable plunger pump.
5. The heat exchanger cleaning apparatus according to claim 1, further comprising a filter member provided in the liquid storage tank below the liquid return pipe.
6. The cleaning device for the heat exchanger according to claim 1, wherein the bottom wall of the liquid storage tank is constructed in an inverted cone structure, and a blow-down valve is arranged at the bottom of the inverted cone structure.
7. The cleaning apparatus for a heat exchanger according to claim 1, further comprising a liquid level sensor provided in the liquid storage tank.
8. The cleaning device for a heat exchanger according to claim 7, further comprising a water replenishing mechanism and a control mechanism; the water replenishing mechanism is communicated with the liquid storage tank; the control mechanism is respectively in communication connection with the liquid level sensor and the water supplementing mechanism.
9. The cleaning device for heat exchanger according to claim 1, wherein a filter screen is provided at an end of the liquid outlet pipe extending into the liquid storage tank.
10. The cleaning device for the heat exchanger according to claim 1, further comprising a support, wherein the liquid storage tank is fixed on the support, and a traveling wheel is arranged at the bottom end of the support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221616301.3U CN217604801U (en) | 2022-06-24 | 2022-06-24 | Cleaning device of heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221616301.3U CN217604801U (en) | 2022-06-24 | 2022-06-24 | Cleaning device of heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217604801U true CN217604801U (en) | 2022-10-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221616301.3U Active CN217604801U (en) | 2022-06-24 | 2022-06-24 | Cleaning device of heat exchanger |
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| Country | Link |
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| CN (1) | CN217604801U (en) |
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- 2022-06-24 CN CN202221616301.3U patent/CN217604801U/en active Active
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