Waste water waste heat recovery device
By installing a cleaning device, including a scraper and a collection frame, in the wastewater waste heat recovery unit, the problem of impurities remaining on the filter screen after long-term use is solved, ensuring the filtration effect and achieving efficient recovery of wastewater waste heat.
Patent Information
- Application Number
- CN202422932116.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-11-29
AI Technical Summary
In existing wastewater waste heat recovery devices, a large amount of impurities remain on the surface of the filter after long-term use, resulting in poor filtering effect and affecting the waste heat recovery efficiency.
A cleaning device is installed inside the filter screen, including a scraper, a fixing rod, a spring, and a collection frame. The scraper pushes impurities to both sides of the filter screen and collects them in the collection frame. After cleaning, the scraper returns to its original position to ensure that the filtration effect is not affected.
Effectively clean impurities from the filter screen, maintain filtration efficiency, and ensure the normal operation and efficiency of the wastewater waste heat recovery device.
Smart Images
Figure CN223470528U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to wastewater waste heat recovery device technical field especially relates to wastewater waste heat recovery device. BACKGROUND
[0002] Wastewater waste heat recovery device is a kind of equipment for recycling the heat in wastewater, wastewater flows into the inside of non-tax tray, impurities are filtered by filter screen, and then wastewater is collected into the inside of wastewater tray, heat in wastewater is transferred into the inside of serpentine pipe in wastewater tray by heat transfer effect, and then the function of waste heat recovery is achieved.
[0003] The inventor found that when collecting wastewater, impurities need to be filtered by filter screen, and a large amount of impurities will remain on the surface of filter screen after long-term use, which will cause poor filtering effect and affect waste heat recovery. UTILITY MODEL CONTENT
[0004] The utility model discloses a wastewater waste heat recovery device to solve the shortcomings in prior art.
[0005] In order to achieve the above object, the utility model discloses the following technical scheme: wastewater waste heat recovery device, including recovery tray, the inside of recovery tray is provided with filter screen, the inside of recovery tray is fixedly connected with serpentine pipe, the inside of filter screen is provided with cleaning device, one end of serpentine pipe is provided with fixing device, the cleaning device includes the rectangular groove of being arranged in the inner wall of filter screen, the inside of rectangular groove is fixedly connected with fixed rod, and the surface of fixed rod is slidably connected with scraper.
[0006] The effect of the above components is that the impurities in the filter screen are cleaned under the action of the scraper, which does not affect the filtration of wastewater. When the heat in wastewater needs to be recycled, the wastewater is poured into the inside of the filter screen, the wastewater is filtered, and the filtered wastewater flows into the inside of the recovery tray. Cold water enters the inside of the serpentine pipe. The heat in the wastewater is transferred to the cold water in the serpentine pipe, the cold water is heated, and the waste heat is recycled.
[0007] Preferably, the side surface of the scraper is fixedly connected with a triangular plate, and the triangular plate is arranged on both sides of the scraper.
[0008] The effect of the above components is that the triangular plate can push the impurities to both sides of the filter screen more quickly, which does not affect the filtration of wastewater.
[0009] Preferably, the surface of the fixed rod is sleeved with a first spring, and the two ends of the first spring are fixedly connected with the inner wall of the rectangular groove and the side surface of the scraper.
[0010] The effect achieved by the above components is that the scraper can be reset after use under the action of the first spring, thereby not affecting the filtering of wastewater.
[0011] Preferably, a through groove is formed in the bottom of the filter screen, and a collection frame is arranged in the through groove.
[0012] The effect achieved by the above components is that the impurities collected can fall into the collection frame under the action of the collection frame, thereby facilitating processing. When the inside of the filter screen needs to be cleaned, the scraper is pushed, and the scraper can push the impurities to both sides of the filter screen more quickly under the action of the triangular plate, thereby pushing the impurities into the collection frame. After cleaning, the scraper can be reset after use under the action of the first spring, thereby not affecting the filtering of wastewater, thereby achieving the cleaning effect.
[0013] Preferably, the fixing device comprises a snap ring fixedly connected to the surface of the serpentine pipe, the surface of the serpentine pipe is sleeved with a connecting pipe, and a ring groove is formed in the inner wall of the connecting pipe.
[0014] The effect achieved by the above components is that the connecting pipe can be clamped to the surface of the serpentine pipe under the action of the snap ring and the ring groove, thereby achieving the fixing effect.
[0015] Preferably, the surface of the serpentine pipe is fixedly connected with a clamping block, and a clamping groove is formed in the inner wall of the connecting pipe.
[0016] The effect achieved by the above components is that the connection will not be rotated under the action of the clamping block and the clamping groove.
[0017] Preferably, a clamping rod is inserted into the surface of the serpentine pipe.
[0018] The effect achieved by the above components is that the connecting pipe can be fixed to the surface of the serpentine pipe under the action of the clamping rod, thereby achieving the fixing effect.
[0019] Preferably, a second spring is sleeved on the surface of the clamping rod, and the two ends of the second spring are fixedly connected to the surface of the connecting pipe and one end of the clamping rod, respectively.
[0020] The effect achieved by the above components is that the clamping rod is inserted into the serpentine pipe in a self-locking manner under the action of the second spring, thereby achieving the fixing effect. When cold water needs to be supplemented into the serpentine pipe, the connecting pipe is sleeved on the surface of the serpentine pipe. The connecting pipe can be clamped to the surface of the serpentine pipe under the action of the snap ring and the ring groove. The connection will not be rotated under the action of the clamping block and the clamping groove. The clamping rod is inserted into the serpentine pipe in a self-locking manner under the action of the second spring, thereby achieving the fixing effect.
[0021] Compared with the prior art, the advantages and positive effects of the present invention are:
[0022] In the utility model, a cleaning device is provided. When it is necessary to clean the impurities inside the filter, the scraper is pushed. Under the action of the triangular plate, the scraper can push the impurities to the two sides of the filter more quickly, and then push the impurities into the collection frame. After cleaning, under the action of the first spring, the scraper can be reset after use, so as not to affect the filtering of waste water, thereby achieving the cleaning effect, thereby solving the problem that the filter contains a large amount of impurities that affect the filtering of waste water due to long-term use. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Fig. 1 This is a schematic diagram of the three-dimensional structure of the wastewater waste heat recovery device proposed in the utility model;
[0024] Fig. 2 This is a schematic diagram of a cleaning device for a wastewater waste heat recovery device proposed in the utility model;
[0025] Fig. 3 This is a schematic diagram of the fixing device of the wastewater waste heat recovery device proposed in the present invention.
[0026] Legend: 1. Recovery tray; 2. Cleaning device; 21. Rectangular groove; 22. Fixing rod; 23. First spring; 24. Scraper; 25. Collection frame; 26. Triangular plate; 3. Fixing device; 31. Block; 32. Slot; 33. Snap ring; 34. Fixing rod; 35. Second spring; 36. Connecting pipe; 4. Serpentine pipe; 5. Filter. DETAILED DESCRIPTION
[0027] Example 1, as Figs. 1-3 As shown, the waste heat recovery device for waste water includes a recovery tray 1, a filter screen 5 is provided inside the recovery tray 1, a serpentine tube 4 is fixedly connected to the inside of the recovery tray 1, a cleaning device 2 is provided inside the filter screen 5, and a fixing device 3 is provided at one end of the serpentine tube 4. When it is necessary to recycle the heat in the waste water, the waste water is poured into the inside of the filter screen 5 to filter the waste water, and then the filtered waste water flows into the inside of the recovery tray 1, and the cold water enters the inside of the near serpentine tube 4. The heat inside the waste water is transferred into the cold water inside the serpentine tube 4, so that the cold water is heated and the waste heat recovery is completed.
[0028] Reference Fig. 2The cleaning device 2 comprises a rectangular groove 21 opened in the inner wall of the filter screen 5, the inner part of the rectangular groove 21 is fixedly connected with a fixed rod 22, the surface of the fixed rod 22 is slidingly connected with a scraper 24, under the action of the scraper 24, the impurities in the inner part of the filter screen 5 are cleaned, thereby not affecting the filtration of wastewater, when it is needed to recycle the heat in the wastewater, the wastewater is poured into the inner part of the filter screen 5 to filter the wastewater, thereby making the filtered wastewater flow into the inner part of the recovery disc 1, the cold water is poured into the inner part of the near-snake-shaped pipe 4, the heat in the wastewater is transferred to the inner part of the cold water in the snake-shaped pipe 4, the cold water is heated to complete the waste heat recycling, the side surface of the scraper 24 is fixedly connected with a triangular plate 26, the triangular plate 26 is arranged on the two sides of the scraper 24, under the action of the triangular plate 26, the scraper 24 can more quickly push the impurities to the two sides of the filter screen 5, thereby not affecting the filtration of wastewater, the surface of the fixed rod 22 is sleeved with a first spring 23, the two ends of the first spring 23 are fixedly connected with the inner wall of the rectangular groove 21 and the side surface of the scraper 24 respectively, under the action of the first spring 23, the scraper 24 can be reset after use, thereby not affecting the filtration of wastewater, the bottom of the filter screen 5 is provided with a through groove, the inner part of the through groove is provided with a collecting frame 25, under the action of the collecting frame 25, the collected impurities can fall into the inner part of the collecting frame 25, thereby facilitating the treatment, when it is needed to clean the impurities in the inner part of the filter screen 5, the scraper 24 is pushed, under the action of the triangular plate 26, the scraper 24 can more quickly push the impurities to the two sides of the filter screen 5, thereby pushing the impurities into the inner part of the collecting frame 25, after cleaning, under the action of the first spring 23, the scraper 24 can be reset after use, thereby not affecting the filtration of wastewater, thereby achieving the cleaning effect.
[0029] Referring to Fig. 3The fixing device 3 comprises a snap ring 33 fixedly connected to the surface of the serpentine pipe 4, the surface of the serpentine pipe 4 is sleeved with a connecting pipe 36, the inner wall of the connecting pipe 36 is provided with a ring groove, under the action of the snap ring 33 and the ring groove, the connecting pipe 36 can be clamped on the surface of the serpentine pipe 4, thereby achieving the fixing effect, the surface of the serpentine pipe 4 is fixedly connected with a clamping block 31, the inner wall of the connecting pipe 36 is provided with a clamping groove 32, under the action of the clamping block 31 and the clamping groove 32, the connection will not rotate, the surface of the connecting pipe 36 is inserted with a clamping rod 34, one end of the clamping rod 34 is inserted into the surface of the serpentine pipe 4, under the action of the clamping rod 34, the connecting pipe 36 can be fixed on the surface of the serpentine pipe 4, thereby achieving the fixing effect, the surface of the clamping rod 34 is sleeved with a second spring 35, the two ends of the second spring 35 are fixedly connected with the surface of the connecting pipe 36 and one end of the clamping rod 34, under the action of the second spring 35, the clamping rod 34 is inserted into the inside of the serpentine pipe 4 in a self-locking manner, thereby achieving the fixing effect, when it is needed to supplement cold water into the serpentine pipe 4, the connecting pipe 36 is sleeved on the surface of the serpentine pipe 4, under the action of the snap ring 33 and the ring groove, the connecting pipe 36 can be clamped on the surface of the serpentine pipe 4, under the action of the clamping block 31 and the clamping groove 32, the connection will not rotate, under the action of the second spring 35, the clamping rod 34 is inserted into the inside of the serpentine pipe 4 in a self-locking manner, thereby achieving the fixing effect.
[0030] When it is needed to use the waste water waste heat recovery device, when it is needed to recycle the heat in the waste water, the waste water is poured into the inside of the filter screen 5, the waste water is filtered, and then the filtered waste water flows into the inside of the recovery disc 1, the cold water enters the inside of the serpentine pipe 4, the heat in the waste water is transferred to the inside of the cold water in the serpentine pipe 4, the cold water is heated, and the waste heat recycling is completed, when it is needed to clean the sundries in the inside of the filter screen 5, the scraper 24 is pushed, under the action of the triangular plate 26, the scraper 24 can push the sundries to the two sides of the filter screen 5 more quickly, and then the sundries are pushed into the inside of the collecting frame 25, after cleaning, under the action of the first spring 23, the scraper 24 can be reset after use, thereby not affecting the waste water filtration, thereby achieving the cleaning effect, when it is needed to supplement cold water into the inside of the serpentine pipe 4, the connecting pipe 36 is sleeved on the surface of the serpentine pipe 4, under the action of the snap ring 33 and the ring groove, the connecting pipe 36 can be clamped on the surface of the serpentine pipe 4, under the action of the clamping block 31 and the clamping groove 32, the connection will not rotate, under the action of the second spring 35, the clamping rod 34 is inserted into the inside of the serpentine pipe 4 in a self-locking manner, thereby achieving the fixing effect.
Claims
1. A waste water heat recovery device, comprising a recovery disc (1), a filter screen (5) is arranged in the inside of the recovery disc (1), and a serpentine pipe (4) is fixedly connected to the inside of the recovery disc (1), characterized in that: The inside of the filter screen (5) is provided with a cleaning device (2), one end of the serpentine pipe (4) is provided with a fixing device (3), the cleaning device (2) comprises a rectangular groove (21) opened in the inner wall of the filter screen (5), the inside of the rectangular groove (21) is fixedly connected with a fixed rod (22), the surface of the fixed rod (22) is slidably connected with a scraper (24).
2. The waste water heat recovery device according to claim 1, characterized by: The side surface of the scraper (24) is fixedly connected with a triangular plate (26), and the triangular plate (26) is arranged on the two sides of the scraper (24).
3. The waste water heat recovery device according to claim 2, characterized by: The surface of the fixed rod (22) is sleeved with a first spring (23), and the two ends of the first spring (23) are fixedly connected with the inner wall of the rectangular groove (21) and the side surface of the scraper (24) respectively.
4. The waste water heat recovery device according to claim 3, characterized by: The bottom of the filter screen (5) is provided with a through groove, and the inside of the through groove is provided with a collecting frame (25).
5. The waste water heat recovery device according to claim 4, characterized by: The fixing device (3) comprises a clamping ring (33) fixedly connected with the surface of the serpentine pipe (4), the surface of the serpentine pipe (4) is sleeved with a connecting pipe (36), and the inner wall of the connecting pipe (36) is provided with a ring groove.
6. The waste water heat recovery device according to claim 5, characterized by: The surface of the serpentine pipe (4) is fixedly connected with a clamping block (31), and the inner wall of the connecting pipe (36) is provided with a clamping groove (32).
7. The waste water heat recovery device according to claim 6, characterized by: The surface of the connecting pipe (36) is inserted with a clamping rod (34), and one end of the clamping rod (34) is inserted into the surface of the serpentine pipe (4).
8. The waste water heat recovery device according to claim 7, characterized by: The surface of the clamping rod (34) is sleeved with a second spring (35), and the two ends of the second spring (35) are fixedly connected with the surface of the connecting pipe (36) and one end of the clamping rod (34) respectively.