CN216144242U - Automatic wash heat exchanger device and sludge drying equipment - Google Patents
Automatic wash heat exchanger device and sludge drying equipment Download PDFInfo
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- CN216144242U CN216144242U CN202121500619.0U CN202121500619U CN216144242U CN 216144242 U CN216144242 U CN 216144242U CN 202121500619 U CN202121500619 U CN 202121500619U CN 216144242 U CN216144242 U CN 216144242U
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Abstract
The utility model provides an automatic heat exchanger cleaning device, which comprises a heat exchanger, a spray pipe, a control module, a solenoid valve and a box body, wherein the spray pipe penetrates through the box body, the outlet of the spray pipe faces to the windward side of the heat exchanger, the solenoid valve is arranged on the spray pipe, and the control module is electrically connected with the solenoid valve; the control module controls the electromagnetic valve to be opened, and water in the spray pipe enters the box body to clean the outer surface of the heat exchanger. Control module control solenoid valve opens, the water in the shower gets into the box and washs the heat exchanger surface, wash through the dust with heat exchanger surface accumulational, make equipment keep the steady operation, improve the utilization rate of whole equipment, self-cleaning heat exchanger device can clear up the heat exchanger, make the heat exchanger move in clean environment, can keep moving high-efficiently, and increase of service life simultaneously, through control module control solenoid valve, make equipment can open the solenoid valve automatically, the shower is automatic to wasing the heat exchanger, improve equipment's degree of automation, reach unmanned on duty's effect.
Description
Technical Field
The utility model relates to the field of sludge drying equipment, in particular to an automatic heat exchanger cleaning device and sludge drying equipment.
Background
In recent years, with the development of sludge drying technology, low-temperature sludge drying technology has gradually become one of the mainstream technologies of sludge treatment in China. The low-temperature sludge drying technology is a treatment technology for drying the slit-shaped sludge uniformly spread on a mesh belt by the circulating flow of dry hot air generated by a low-temperature drying system in the system.
In the current sludge drying equipment, after sludge dust enters heat exchange devices such as a surface cooler, an evaporator, a condenser and the like, scaling corrosion is generated when wet air occurs, so that a refrigerant leaks, a compressor gives an alarm at high temperature and high pressure, the service life of the compressor is influenced, and the utilization rate of the whole equipment is low.
SUMMERY OF THE UTILITY MODEL
The utility model provides an automatic cleaning heat exchanger device and sludge drying equipment, aiming at overcoming the technical problem that wet air generates scale deposition after sludge dust of the conventional sludge drying equipment enters a heat exchanger.
The utility model provides an automatic heat exchanger cleaning device which comprises a heat exchanger, a spray pipe, a control module, an electromagnetic valve and a box body, wherein the spray pipe penetrates through the box body, the outlet of the spray pipe faces the windward side of the heat exchanger, the electromagnetic valve is arranged on the spray pipe, and the control module is electrically connected with the electromagnetic valve; the control module controls the electromagnetic valve to be opened, and water in the spray pipe enters the box body to clean the outer surface of the heat exchanger.
Preferably, the shower comprises a shower head, the shower head facing the windward side of the heat exchanger.
Preferably, the number of the spray headers is one, two, three, four or more.
Preferably, the spray pipe further comprises a spray pressure water supply pipe and a spray branch pipe, the spray branch pipe is connected with the spray head, and the spray pressure water supply pipe is connected with the spray branch pipe; and the position where the spraying pressurized water supply pipe is connected with the spraying branch pipe is provided with an electromagnetic valve.
Preferably, a heat exchanger cavity and a water receiving piece are arranged in the box body, the water receiving piece is fixed in the heat exchanger cavity, and the water receiving piece is detachably connected with the heat exchanger cavity; the heat exchanger is arranged in the heat exchanger cavity, and the heat exchanger cavity is a part in the box body; the spraying branch pipes penetrate through the cavity of the heat exchanger.
Preferably, the box body further comprises a water outlet, and the water outlet is arranged through the water receiving piece.
Preferably, the control module comprises a timing module and a main control module, and the timing module is electrically connected with the main control module; the timing module presets the opening time of the electromagnetic valve.
Preferably, the water pressure in the shower pipe is 0.2-0.4 Mpa.
The second embodiment of the utility model provides sludge drying equipment which is used for drying sludge.
Preferably, the sludge drying apparatus comprises a heat pump mechanism and a drying mechanism, and the automatic cleaning heat exchanger device is arranged in the heat pump mechanism.
Compared with the prior art, the automatic heat exchanger cleaning device and the sludge drying equipment provided by the utility model have the following advantages:
1. the control module controls the electromagnetic valve to be opened, water in the spray pipe enters the box body to clean the outer surface of the heat exchanger, and the dust accumulated on the surface of the heat exchanger is washed, so that the equipment keeps running stably, the utilization rate of the whole equipment is improved, further, the heat exchanger can be cleaned by the automatic cleaning heat exchanger device, the heat exchanger runs in a clean environment, the high-efficiency running can be kept, the service life is prolonged, and further, the electromagnetic valve is controlled by the control module to enable the equipment to automatically open the electromagnetic valve, the spray pipe automatically cleans the heat exchanger, the automation degree of the equipment is improved, and the unattended effect is achieved.
2. The spraying pressure water supply pipe is divided into a plurality of spraying branch pipes, one end of the spraying pressure water supply pipe is far away from the spraying branch pipes, a spraying head is arranged at one end of the spraying pressure water supply pipe, the spraying head sprays water in a pipeline to the windward side of the heat exchanger, the electromagnetic valve is arranged at the position where the spraying pressure water supply pipe is connected with the spraying branch pipes, the spraying pressure water supply pipe conveys high-pressure water in the pipe to the spraying branch pipes, the high-pressure water is sprayed out from the spraying head, and due to the high-pressure state, the blocked or accumulated dust on the heat exchanger can be easily washed off, so that the dust is prevented from being attached to the heat exchanger, the effect of cleaning and protecting the equipment is prevented from being influenced, the cleaning and protecting effect is achieved on the equipment, the equipment can stably run, and the service life of the equipment is prolonged.
3. The heat exchanger sets up in the heat exchanger cavity, the heat exchanger cavity carries out the position of heat exchange for the air, the branch pipe that sprays pierces through the heat exchanger cavity, the branch union coupling shower head sprays, the shower head orientation the windward side of heat exchanger to wash, after the heat exchanger washes, rivers to connect the water spare, the sewage after the washing is accepted to the water spare, washs the windward side of heat exchanger through the water spray, makes it can move in clean environment, improves the corrosion resistance of heat exchanger, and the air resistance is low in the heat exchanger, makes the stable high efficiency of wind circulation system operation, improves heat transfer effect.
4. The delivery port can be with the log raft of water receiving spare outside the box, and the water that makes the interior washing of heat exchanger cavity accumulate can be discharged, and equipment can operate for a long time, avoids water receiving spare to hold too much and leads to needing to shut down and draw water, keeps equipment normal operating.
5. The timing module presets the opening time of the electromagnetic valve, the main control module controls the normal operation of the equipment, the main control module is electrically connected with the electromagnetic valve, the timing module presets the opening time and the closing time of the electromagnetic valve, and the opening time and the closing time of the electromagnetic valve are set through the timing module, so that the opening time of the electromagnetic valve is adjustable and controllable, and the adjustability of the equipment is improved; furthermore, the timing module can adjust the opening time and the closing time of the electromagnetic valve, and the main control module can periodically alternate according to the opening time and the closing time, so that the automatic cleaning heat exchanger device can periodically clean the heat exchanger, the cleaning frequency is accurately controlled, manual operation is avoided, and the stability of the equipment is improved.
6. The water in the spray pipe is high-pressure water which is sprayed out through the spray head, so that dust accumulated on the surface of the heat exchanger can be effectively washed away, and the surface of the heat exchanger can be better cleaned.
7. The utility model provides a sludge drying equipment, through dry hot air drying mud, the dust that mummification mechanism produced floats in the equipment of heat pump mechanism along with the air, and the heat exchanger in the heat pump mechanism covers the back at the dust, and the mud dust gets into the heat exchanger after, meets the humid air and produces scaling corruption, leads to refrigerant leakage, the high temperature high pressure warning of compressor, influences compressor life, through the self-cleaning heat exchanger device to the self-cleaning of heat exchanger, makes the heat exchanger operate steadily, makes the circulating air system resistance between heat pump mechanism and the mummification mechanism maintain invariable, improves the utilization ratio of equipment, furtherly, washs for automatic going on, need not manual operation clearance, reduces intensity of labour, increase of service life.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit of the present invention are intended to be included within the scope of the present invention.
Drawings
Fig. 1 is a schematic view of an overall structure of an automatic cleaning heat exchanger device according to a first embodiment of the present invention;
FIG. 2 is a block diagram of a control module of an automatic heat exchanger cleaning apparatus according to a first embodiment of the present invention;
fig. 3 is a schematic view of the overall structure of a sludge drying apparatus according to a second embodiment of the present invention.
Description of reference numerals:
1. automatically cleaning the heat exchanger device;
11. a heat exchanger; 12. a shower pipe; 13. a control module; 14. an electromagnetic valve; 15. a box body;
121. a shower head; 122. spraying a pressurized water supply pipe; 123. spraying and pipe dividing;
131. a timing module; 132. a main control module;
151. a heat exchanger chamber; 152. a water receiving member; 153. a water outlet;
100. a sludge drying apparatus; 10. a heat pump mechanism; 20. a drying mechanism.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Referring to fig. 1, a first embodiment of the present invention provides an automatic cleaning heat exchanger device 1, which automatically cleans a heat exchanger 11 in a sludge drying apparatus 100, where the heat exchanger 11 is a surface cooler, an evaporator, a condenser, and other heat exchange apparatuses, and sludge drying causes dust in the apparatus to scatter, the heat exchanger 11 is seriously blocked, and the system wind resistance is large, so that the overall circulating air volume is reduced, and the efficiency is low; by cleaning the heat exchanger 11, the operation stability of the sludge drying apparatus 100 is maintained.
The automatic cleaning heat exchanger device 1 comprises a heat exchanger 11, a spray pipe 12, a control module 13, an electromagnetic valve 14 and a box body 15, wherein the spray pipe 12 penetrates through the box body 15, an outlet of the spray pipe 12 faces the windward side of the heat exchanger 11, the electromagnetic valve 14 is arranged on the spray pipe 12, and the control module 13 is electrically connected with the electromagnetic valve 14;
specifically, the heat exchanger 11 is used for exchanging heat with air, the shower pipe 12 is used for cleaning the outer surface of the heat exchanger 11, the electromagnetic valve 14 is used for controlling the flow of water in the shower pipe 12, and the shower pipe 12 is in a high-pressure state, so that when water is sprayed to the heat exchanger 11, dust accumulated on the heat exchanger 11 is washed clean by high-pressure water.
It can be understood that control module 13 controls solenoid valve 14 opens, and the water in shower 12 gets into box 15 and washs heat exchanger 11 surface, washes through the dust that piles up with heat exchanger 11 surface, makes equipment keep steady operation, improves the utilization rate of whole equipment, and further, self-cleaning heat exchanger device 1 can clear up heat exchanger 11, makes heat exchanger 11 move in clean environment, can keep high-efficient operation, increase of service life simultaneously, and further, through control module 13 control solenoid valve 14 makes equipment can open solenoid valve 14 automatically, and shower 12 washs heat exchanger 11 automatically, improves the degree of automation of equipment, reaches unmanned on duty's effect.
The spraying pipe 12 further comprises a spraying pressurized water feeding pipe 122, a spraying branch pipe 123 and a spraying head 121, wherein the spraying branch pipe 123 is connected with the spraying head 121, and the spraying pressurized water feeding pipe 122 is connected with the spraying branch pipe 123; the shower head 121 faces the windward side of the heat exchanger 11.
Specifically, the spraying pressurized water supply pipe 122 is divided into a plurality of spraying branch pipes 123, one end of each spraying branch pipe 123, which is far away from the spraying pressurized water supply pipe 122, is provided with a spraying head 121, the spraying head 121 sprays water in the pipeline to the windward side of the heat exchanger 11, the electromagnetic valve 14 is arranged at the position where the spraying pressurized water supply pipe 122 is connected with the spraying branch pipes 123, the spraying pressurized water supply pipe 122 conveys high-pressure water in the pipe to the spraying branch pipes 123, and the high-pressure water is sprayed out from the spraying heads 121.
Optionally, the water pressure in the shower pipe 12 is 0.2-0.4 Mpa. It can be understood that the water in the shower pipe 12 is high-pressure water, and is sprayed out through the shower head 121, so that dust accumulated on the surface of the heat exchanger 11 can be effectively washed away, and the surface of the heat exchanger 11 can be better cleaned.
Optionally, the number of the showerheads 121 is one, two, three, four or more.
A cavity of the heat exchanger 11 and a water receiving piece 152 are arranged in the box body 15, the water receiving piece 152 is fixed in the cavity of the heat exchanger 11, and the water receiving piece 152 is detachably connected with the cavity of the heat exchanger 11;
specifically, the heat exchanger 11 is arranged in a cavity of the heat exchanger 11, and the cavity of the heat exchanger 11 is a part in a box body 15; the spraying branch pipe 123 penetrates through the cavity of the heat exchanger 11, the spraying branch pipe 123 penetrates through the surface of the cavity of the heat exchanger 11 from the outside of the cavity of the heat exchanger 11, the water receiving part 152 is arranged at the bottom of the cavity of the heat exchanger 11, the water receiving part 152 receives water for washing the surface of the heat exchanger 11 by the spraying head 121, and the water receiving part 152 can be detached from the cavity of the heat exchanger 11 and can be cleaned by a user.
It can be understood that heat exchanger 11 sets up in heat exchanger 11 cavity, heat exchanger 11 cavity carries out the position of heat exchange for the air, the branch 123 that sprays pierces through heat exchanger 11 cavity, sprays and divides the 123 connection shower 121, shower 121 orientation the windward side of heat exchanger 11 to wash, after heat exchanger 11 washes, water flow direction water receiving piece 152, water receiving piece 152 accepts the sewage after the washing, through the windward side of water spray washing heat exchanger 11, makes it can move in clean environment, improves heat exchanger 11's corrosion resistance, and the air resistance is low in heat exchanger 11, makes wind circulation system operation stable high-efficient, improves the heat transfer effect.
The box body 15 further comprises a water outlet 153, the water outlet 153 penetrates through the water receiving piece 152, the water outlet 153 can discharge water of the water receiving piece 152 to the outside of the box body 15, accumulated water during cleaning in a cavity of the heat exchanger 11 can be discharged, the equipment can operate for a long time, the situation that the water receiving piece 152 needs to be shut down for pumping water due to excessive water receiving is avoided, and the equipment is kept to operate normally.
The control module 13 includes a timing module 131 and a main control module 132, and the timing module 131 is electrically connected to the main control module 132; the timing module 131 presets the opening time of the electromagnetic valve 14, the main control module 132 controls the normal operation of the equipment, the main control module 132 is electrically connected with the electromagnetic valve 14, the timing module 131 presets the opening time and the closing time of the electromagnetic valve 14, and the opening time and the closing time of the electromagnetic valve 14 are set through the timing module 131, so that the opening time of the electromagnetic valve 14 is adjustable, and the adjustability of the equipment is improved; further, the timing module 131 can adjust the opening time and the closing time of the electromagnetic valve 14, and the main control module 132 can periodically alternate between the opening time and the closing time, so that the automatic cleaning heat exchanger device 1 can periodically clean the heat exchanger 11, accurately control the frequency of cleaning, avoid manual operation, and improve the stability of the device.
Self-cleaning heat exchanger device 1 further includes the display screen, display screen and control module 13 electric connection, the display screen is the touch-control display screen, and the user passes through the display screen send instruction, the display screen passes through the signal of telecommunication and transmits for control module 13 to make control module 13 obtain user's instruction, make control module 13 can control self-cleaning heat exchanger device 1 according to user's instruction, make the device have maneuverability, and further, can send the electrical signal through the display screen and modify solenoid valve 14 opening time, the length of time of opening of extension or shortening solenoid valve 14.
The second embodiment of the present invention provides a sludge drying apparatus 100 for drying sludge, comprising a heat pump mechanism 10 and a drying mechanism 20, wherein the automatic cleaning heat exchanger device 1 provided in the first embodiment is disposed in the heat pump mechanism 10.
It can be understood that the dust generated by the drying mechanism 20 floats to the equipment of the heat pump mechanism 10 along with the air, the heat exchanger 11 in the heat pump mechanism 10 is covered by the dust, and after the sludge dust enters the heat exchanger 11, the sludge dust encounters the wet air to generate scale deposit corrosion, which causes refrigerant leakage and gives an alarm for high temperature and high pressure of the compressor, and the service life of the compressor is affected.
The working principle is as follows:
the control module 13 controls to open the electromagnetic valve 14 at a preset time point, the spray pressure water supply pipe 122 conveys high-pressure water to the spray branch pipe 123, the spray branch pipe 123 conveys the high-pressure water to the spray header 121, the spray header 121 sprays the high-pressure water to the windward side of the heat exchanger 11 to wash the heat exchanger, the washed water is received by the water receiving piece 152, the water received by the water receiving piece 152 is discharged to the outside of the box body 15 through the water outlet 153, the electromagnetic valve 14 is closed after being opened for the preset time, and the control module 13 periodically opens the electromagnetic valve 14 to wash the heat exchanger 11.
Compared with the prior art, the automatic heat exchanger cleaning device and the sludge drying equipment provided by the utility model have the following advantages:
1. the automatic cleaning heat exchanger device is controlled by the control module to open the electromagnetic valve, water in the spray pipe enters the box body to clean the outer surface of the heat exchanger, the spray pipe washes dust accumulated on the surface of the heat exchanger, equipment is enabled to keep stable operation, the utilization rate of the whole equipment is improved, further, the automatic cleaning heat exchanger device can clean the heat exchanger, the heat exchanger can operate in a clean environment, the efficient operation can be kept, the service life is prolonged, and further, the electromagnetic valve is controlled by the control module to enable the equipment to automatically open the electromagnetic valve, the spray pipe automatically cleans the heat exchanger, the automation degree of the equipment is improved, and the unattended effect is achieved.
2. The spraying pressure water supply pipe is divided into a plurality of spraying branch pipes, one end of the spraying pressure water supply pipe is far away from the spraying branch pipes, a spraying head is arranged at one end of the spraying pressure water supply pipe, the spraying head sprays water in a pipeline to the windward side of the heat exchanger, the electromagnetic valve is arranged at the position where the spraying pressure water supply pipe is connected with the spraying branch pipes, the spraying pressure water supply pipe conveys high-pressure water in the pipe to the spraying branch pipes, the high-pressure water is sprayed out from the spraying head, and due to the high-pressure state, the blocked or accumulated dust on the heat exchanger can be easily washed off, so that the dust is prevented from being attached to the heat exchanger, the effect of cleaning and protecting the equipment is prevented from being influenced, the cleaning and protecting effect is achieved on the equipment, the equipment can stably run, and the service life of the equipment is prolonged.
3. The heat exchanger sets up in the heat exchanger cavity, the heat exchanger cavity carries out the position of heat exchange for the air, the branch pipe that sprays pierces through the heat exchanger cavity, the branch union coupling shower head sprays, the shower head orientation the windward side of heat exchanger to wash, after the heat exchanger washes, rivers to connect the water spare, the sewage after the washing is accepted to the water spare, washs the windward side of heat exchanger through the water spray, makes it can move in clean environment, improves the corrosion resistance of heat exchanger, and the air resistance is low in the heat exchanger, makes the stable high efficiency of wind circulation system operation, improves heat transfer effect.
4. The delivery port can be with the log raft of water receiving spare outside the box, and the water that makes the interior washing of heat exchanger cavity accumulate can be discharged, and equipment can operate for a long time, avoids water receiving spare to hold too much and leads to needing to shut down and draw water, keeps equipment normal operating.
5. The timing module presets the opening time of the electromagnetic valve, the main control module controls the normal operation of the equipment, the main control module is electrically connected with the electromagnetic valve, the timing module presets the opening time and the closing time of the electromagnetic valve, and the opening time and the closing time of the electromagnetic valve are set through the timing module, so that the opening time of the electromagnetic valve is adjustable and controllable, and the adjustability of the equipment is improved; furthermore, the timing module can adjust the opening time and the closing time of the electromagnetic valve, and the main control module can periodically alternate according to the opening time and the closing time, so that the automatic cleaning heat exchanger device can periodically clean the heat exchanger, the cleaning frequency is accurately controlled, manual operation is avoided, and the stability of the equipment is improved.
6. The water in the spray pipe is high-pressure water which is sprayed out through the spray head, so that dust accumulated on the surface of the heat exchanger can be effectively washed away, and the surface of the heat exchanger can be better cleaned.
7. The utility model provides a sludge drying equipment, through dry hot air drying mud, the dust that mummification mechanism produced floats in the equipment of heat pump mechanism along with the air, and the heat exchanger in the heat pump mechanism covers the back at the dust, and the mud dust gets into the heat exchanger after, meets the humid air and produces scaling corruption, leads to refrigerant leakage, the high temperature high pressure warning of compressor, influences compressor life, through the self-cleaning heat exchanger device to the self-cleaning of heat exchanger, makes the heat exchanger operate steadily, makes the circulating air system resistance between heat pump mechanism and the mummification mechanism maintain invariable, improves the utilization ratio of equipment, furtherly, washs for automatic going on, need not manual operation clearance, reduces intensity of labour, increase of service life.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides an automatic wash heat exchanger device which characterized in that:
the heat exchanger comprises a heat exchanger, a spray pipe, a control module, an electromagnetic valve and a box body, wherein the spray pipe penetrates through the box body, the outlet of the spray pipe faces the windward side of the heat exchanger, the electromagnetic valve is arranged on the spray pipe, and the control module is electrically connected with the electromagnetic valve;
the control module controls the electromagnetic valve to be opened, and water in the spray pipe enters the box body to clean the outer surface of the heat exchanger.
2. A self-cleaning heat exchanger apparatus as recited in claim 1, wherein: the spray pipe comprises a spray head, and the spray head faces the windward side of the heat exchanger.
3. A self-cleaning heat exchanger apparatus as recited in claim 2, wherein: the number of the spray headers is one, two, three, four or more than four.
4. A self-cleaning heat exchanger apparatus as recited in claim 1, wherein: the spraying pipe further comprises a spraying pressure water supply pipe and a spraying branch pipe, the spraying branch pipe is connected with the spraying head, and the spraying pressure water supply pipe is connected with the spraying branch pipe;
and the position where the spraying pressurized water supply pipe is connected with the spraying branch pipe is provided with an electromagnetic valve.
5. The self-cleaning heat exchanger apparatus of claim 4, wherein: a heat exchanger cavity and a water receiving piece are arranged in the box body, the water receiving piece is fixed in the heat exchanger cavity, and the water receiving piece is detachably connected with the heat exchanger cavity;
the heat exchanger is arranged in the heat exchanger cavity, and the heat exchanger cavity is a part in the box body;
the spraying branch pipes penetrate through the cavity of the heat exchanger.
6. An apparatus for automatically cleaning a heat exchanger as set forth in claim 5, wherein: the box body further comprises a water outlet, and the water outlet penetrates through the water receiving piece.
7. A self-cleaning heat exchanger apparatus as recited in claim 1, wherein: the control module comprises a timing module and a main control module, and the timing module is electrically connected with the main control module;
the timing module presets the opening time of the electromagnetic valve.
8. A self-cleaning heat exchanger apparatus as recited in claim 1, wherein: the water pressure in the spray pipe is 0.2-0.4 Mpa.
9. A sludge drying apparatus for drying sludge, comprising an automatic cleaning heat exchanger device according to any one of claims 1 to 8.
10. The sludge drying apparatus of claim 9, wherein:
the sludge drying equipment comprises a heat pump mechanism and a drying mechanism, and the automatic cleaning heat exchanger device is arranged in the heat pump mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121500619.0U CN216144242U (en) | 2021-07-03 | 2021-07-03 | Automatic wash heat exchanger device and sludge drying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121500619.0U CN216144242U (en) | 2021-07-03 | 2021-07-03 | Automatic wash heat exchanger device and sludge drying equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216144242U true CN216144242U (en) | 2022-03-29 |
Family
ID=80802879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121500619.0U Active CN216144242U (en) | 2021-07-03 | 2021-07-03 | Automatic wash heat exchanger device and sludge drying equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216144242U (en) |
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2021
- 2021-07-03 CN CN202121500619.0U patent/CN216144242U/en active Active
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