CN220939356U - Backwashing filter system of air-conditioning water system - Google Patents
Backwashing filter system of air-conditioning water system Download PDFInfo
- Publication number
- CN220939356U CN220939356U CN202323033489.6U CN202323033489U CN220939356U CN 220939356 U CN220939356 U CN 220939356U CN 202323033489 U CN202323033489 U CN 202323033489U CN 220939356 U CN220939356 U CN 220939356U
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- water
- way valve
- filter
- water pipe
- pipeline
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 166
- 238000004378 air conditioning Methods 0.000 title claims abstract description 25
- 238000011001 backwashing Methods 0.000 title description 4
- 238000002347 injection Methods 0.000 claims abstract description 21
- 239000007924 injection Substances 0.000 claims abstract description 21
- 238000001816 cooling Methods 0.000 claims abstract description 13
- 238000001914 filtration Methods 0.000 claims abstract description 7
- 238000004140 cleaning Methods 0.000 abstract description 15
- 238000011010 flushing procedure Methods 0.000 abstract description 6
- 239000012535 impurity Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 239000000498 cooling water Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Filtration Of Liquid (AREA)
Abstract
The utility model discloses a back flushing filtering system of an air-conditioning water system, which comprises a cooling tower and a water supply pump which are connected through a first water pipe, wherein a water return pipeline is arranged at one end of the cooling tower, a water injection pipeline is arranged at one end of the water supply pump, the water injection pipeline and the water return pipeline are connected to a space unit, a first three-way valve and a second three-way valve are arranged on the water return pipeline, a third three-way valve and a fourth three-way valve are arranged on the water injection pipeline, a second water pipe is detachably connected between the second three-way valve and the third three-way valve, a third water pipe is detachably connected between the first three-way valve and the fourth three-way valve, and an additional filter is arranged on the third water pipe. The system can realize back flushing of the air conditioning unit, avoids the disassembly and cleaning work of the filter of the air conditioning unit, saves time and labor, has low manual enclosure cost, can be partially disassembled, is convenient to clean and maintain, and has strong practicability.
Description
Technical Field
The utility model relates to the technical field of air-conditioning water backwashing, in particular to a backwashing filter system of an air-conditioning water system.
Background
After the water circulation pipeline of the raw water loop heat pump air conditioning system is installed, cooling water circulation can only be carried out in a fixed direction, so that impurities in the pipeline are accumulated at the filter of each unit, and a great deal of labor cost is required. In an open type water ring heat pump central air conditioning system, the impurity cleaning of the circulating water entering from the outside is a difficulty of daily maintenance, and a self-cleaning filter is frequently used in the market, and the working process is as follows: when water enters the filter cartridge from the water inlet, impurities are intercepted in the inner wall of the filter cartridge, filtered clean water flows out from the water outlet, when the impurities on the inner wall of the filter cartridge are accumulated more, the pressure difference between the inlet and the outlet of the self-cleaning filter reaches a preset value or reaches cleaning time or is manually prefabricated, the filter starts a self-cleaning process, and the whole self-cleaning process comprises two steps: opening an automatic drain valve positioned on the self-cleaning filter; the motor drives the cleaning brush in the self-cleaning filter net, impurities intercepted by the filter net are discharged from the blow-off valve, the system is not cut off during cleaning, and the whole operation process of the self-cleaning filter is controlled by an intelligent control box which is randomly arranged. The control mode can be selected from differential pressure, time, manual operation and PLC control. The filter is found in the use process, impurities in the circulating pipeline cannot be completely cleaned, and the filter of each unit is required to be cleaned regularly after sales, so that the labor capacity and the labor cost are increased.
Disclosure of utility model
The utility model aims to provide a back flushing filtering system of an air conditioner water system, which can realize back flushing of an air conditioner unit, avoids the disassembly and cleaning work of a filter of the air conditioner unit, saves time and labor, has low manual enclosure cost, can be locally disassembled, is convenient to clean and maintain, and has strong practicability.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides an air conditioner water system back flush filtration system, includes cooling tower and the working shaft that links to each other through first water pipe, is provided with the return water pipeline in cooling tower one end working shaft one end is provided with the water injection pipeline, the water injection pipeline with the return water pipeline is connected on space unit be provided with first three-way valve and second three-way valve on the return water pipeline be provided with third three-way valve and fourth three-way valve on the water injection pipeline, the second three-way valve with can dismantle between the third three-way valve and be connected with the second water pipe, can dismantle between the first three-way valve with can be connected with the third water pipe is provided with the additional filter.
Preferably, the second water pipe and the third water pipe are transparent hoses or transparent hard pipes.
Preferably, the first three-way valve, the second three-way valve, the third three-way valve and the fourth three-way valve are all electric three-way ball valves, three-way electromagnetic valves or three-way ball valves.
Preferably, the water return pipeline and the water injection pipeline are both provided with a thermometer and a pressure gauge.
Preferably, a main filter is installed on the water injection pipe.
Preferably, the additional filter comprises a filter box, a multi-stage filter screen arranged in the filter box, a water inlet arranged on the bottom of the filter box and a water outlet arranged on the top of the filter box, wherein the water inlet and the water outlet are both connected to the third water pipe, and water in the third water pipe enters the filter box through the water inlet and flows to the other end of the third water pipe from the water outlet through the multi-stage filter screen.
In the utility model, when the first three-way valve, the second three-way valve, the third three-way valve and the fourth three-way valve are opened, the system supplies water to the air conditioning unit in the forward direction, and when the first three-way valve, the second three-way valve, the third three-way valve and the fourth three-way valve are closed, the system supplies water to the air conditioning unit in the reverse direction to perform reverse flushing, so that the cleaning is realized under the condition of not disassembling the filter of the air conditioning unit. The additional filter that sets up can filter the impurity after the clearance, and second water pipe and third water pipe adopt detachable mode to install, can reuse in a plurality of systems, also be convenient for change and clearance additional filter. The first three-way valve, the second three-way valve, the third three-way valve and the fourth three-way valve are simple in opening and closing control, so that the system is simple to operate and is not easy to cause misoperation.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic illustration of an additional filter of the present utility model in a cut-away state;
In the figure: 1. a first water pipe; 2. a cooling tower; 3. a water supply pump; 4. a water return line; 5. a water injection pipeline; 6. a main filter; 7. a thermometer; 8. a pressure gauge; 9. a first three-way valve; 10. a second three-way valve; 11. a third three-way valve; 12. a fourth three-way valve; 13. a second water pipe; 14. a third water pipe; 15. adding a filter; 150. a filter box; 151. a multi-stage filter screen; 152. a water inlet; 153. and a water outlet.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
the back flushing filtering system of the air-conditioning water system shown in fig. 1 and 2 comprises a cooling tower 2 and a water supply pump 3 which are communicated through a first water pipe 1, wherein a water return pipeline 4 is arranged at one end of the cooling tower 2, a water injection pipeline 5 is arranged at one end of the water supply pump 3, the water injection pipeline 5 and the water return pipeline 4 are connected to a space unit for supplying water to the air-conditioning unit, a filter is arranged in the space unit, and impurities such as particles can be accumulated in the filter during long-time use. A main filter 6 is installed on the water injection pipe 5, and the main filter 6 performs a first filtration of water entering the air conditioning unit. A thermometer 7 and a pressure gauge 8 are arranged on the water return pipeline 4 and the water injection pipeline 5. The two thermometers 7 are used for respectively detecting the water inlet temperature and the water outlet temperature, the thermometers 7 are connected with the central control system, and the detected water inlet temperature and water outlet temperature are transmitted to the central control system. The two pressure gauges 8 are used for respectively detecting the water inlet pressure and the water outlet pressure, the pressure gauges 8 are connected with the central control system, the detected water inlet pressure and water outlet pressure are transmitted to the central control system, a user can know the working condition of the system in real time, and backwash filtering operation is facilitated.
The water return pipeline 4 is provided with a first three-way valve 9 and a second three-way valve 10 at intervals, the water injection pipeline 5 is provided with a third three-way valve 11 and a fourth three-way valve 12 at intervals, a second water pipe 13 is detachably and hermetically connected between the second three-way valve 10 and the third three-way valve 11 through a pipe fitting structure, a third water pipe 14 is detachably connected between the first three-way valve 9 and the fourth three-way valve 12 through a pipe fitting structure, and an additional filter 15 is arranged on the third water pipe 14. The additional filter 15 is used to filter the water in the third water pipe 14. The second water pipe 13 and the third water pipe 14 are transparent hoses or transparent hard pipes, and in this embodiment, the second water pipe 13 and the third water pipe 14 are transparent hoses, so that the cleaning degree of the water in the system can be observed conveniently.
The first three-way valve 9, the second three-way valve 10, the third three-way valve 11 and the fourth three-way valve 12 are all electric three-way ball valves, three-way electromagnetic valves or three-way ball valves, and in this embodiment, the first three-way valve 9, the second three-way valve 10, the third three-way valve 11 and the fourth three-way valve 12 are all three-way electromagnetic valves, and the three-way electromagnetic valves are one water inlet end and two water outlet ends, and when the three-way electromagnetic valves are opened, the water inlet end is communicated with one water outlet end, and when the three-way electromagnetic valves are closed, the water inlet end is communicated with the other water outlet end. When the first three-way valve 9, the second three-way valve 10, the third three-way valve 11 and the fourth three-way valve 12 are opened, the water supply loop of the system is that water in the cooling tower 2 enters the water supply pump 3 through the first water pipe 1, the water supply pump 3 pumps the water into the air conditioning unit through the water injection pipeline 5, and then the water in the air conditioning unit flows back to the cooling tower 2 through the water return pipeline 4. When the first three-way valve 9, the second three-way valve 10, the third three-way valve 11 and the fourth three-way valve 12 are closed, the water in the system water supply loop is that water in the cooling tower 2 enters the water supply pump 3 through the first water pipe 1, the water supply pump 3 pumps the water into one end of the water return pipeline 4 through the third three-way valve 11, the second water pipe 13 and the second three-way valve 10 and then enters the air conditioning unit, so that the air conditioning unit is reversely supplied with water and cleaned; the water in the air conditioning unit flows back to the cooling tower 2 through the water return pipeline 4, the first three-way valve 9, the third water pipe 14, the additional filter 15 and the fourth three-way valve 12.
The additional filter 15 comprises a filter box 150, a multi-stage filter screen 151 detachably arranged in the filter box 150, a water inlet 152 integrally arranged on the bottom of the filter box 150 and a water outlet 153 integrally arranged on the top of the filter box 150, wherein the water inlet 152 and the water outlet 153 are connected to the third water pipe 14, water in the third water pipe 14 enters the filter box 150 through the water inlet 152 and flows to the other end of the third water pipe 14 through the water outlet 153 through the multi-stage filter screen 151, and the water is filtered.
The above embodiments are only a few descriptions of the inventive concept and implementation, and are not limited thereto, and the technical solutions without substantial transformation remain within the scope of protection under the inventive concept.
Claims (6)
1. The utility model provides an air conditioner water system back flush filtration system, includes cooling tower and working shaft that links to each other through first water pipe, is provided with the return water pipeline in cooling tower one end working shaft one end is provided with the water injection pipeline, the water injection pipeline with the return water pipeline is connected on space unit, its characterized in that: the water injection pipeline is provided with a first three-way valve and a second three-way valve, a third three-way valve and a fourth three-way valve are arranged on the water injection pipeline, a second water pipe is detachably connected between the second three-way valve and the third three-way valve, a third water pipe is detachably connected between the first three-way valve and the fourth three-way valve, and an additional filter is arranged on the third water pipe.
2. The air conditioning water system backwash filter system as set forth in claim 1 wherein: the second water pipe and the third water pipe are transparent soft pipes or transparent hard pipes.
3. The air conditioning water system backwash filter system according to claim 1 or 2, wherein: the first three-way valve, the second three-way valve, the third three-way valve and the fourth three-way valve are all electric three-way ball valves, three-way electromagnetic valves or three-way ball valves.
4. The air conditioning water system backwash filter system as set forth in claim 1 wherein: and a thermometer and a pressure gauge are arranged on the water return pipeline and the water injection pipeline.
5. The air conditioning water system backwash filter system according to claim 1 or 4, wherein: a main filter is arranged on the water injection pipeline.
6. The air conditioning water system backwash filter system as set forth in claim 1 wherein: the additional filter comprises a filter box, a multi-stage filter screen arranged in the filter box, a water inlet arranged on the bottom of the filter box and a water outlet arranged on the top of the filter box, wherein the water inlet and the water outlet are connected to the third water pipe, and water in the third water pipe enters the filter box through the water inlet and flows to the other end of the third water pipe from the water outlet through the multi-stage filter screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323033489.6U CN220939356U (en) | 2023-11-10 | 2023-11-10 | Backwashing filter system of air-conditioning water system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323033489.6U CN220939356U (en) | 2023-11-10 | 2023-11-10 | Backwashing filter system of air-conditioning water system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220939356U true CN220939356U (en) | 2024-05-14 |
Family
ID=90976088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323033489.6U Active CN220939356U (en) | 2023-11-10 | 2023-11-10 | Backwashing filter system of air-conditioning water system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220939356U (en) |
-
2023
- 2023-11-10 CN CN202323033489.6U patent/CN220939356U/en active Active
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