Condensate water recovery device with liquid level meter
The cold condensate recovery system with a liquid level gauge filters and cools condensate, addressing device corrosion and clogging issues by controlling circulation based on liquid levels, enhancing recycling efficiency and energy savings.
Patent Information
- Application Number
- CN202422088811.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-28
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-08-28
AI Technical Summary
Existing cold condensate recovery systems lack the ability to cool and recycle collected condensate effectively, leading to potential device corrosion and clogging due to untreated waste water entering the cooling system.
A cold condensate recovery system equipped with a liquid level gauge, featuring a collection tank, filtration system, cooling chamber, and a controlled circulation mechanism that prevents untreated water from entering the cooling system by using a liquid level sensor to manage the circulation pump operation.
The system effectively filters and cools condensate, preventing device corrosion and clogging while ensuring efficient water recycling and energy savings by optimizing pump operation based on liquid levels.
Smart Images

Figure CN223106733U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of condensate recovery, and particularly relates to a condensate recovery device with a liquid level gauge. Background Art
[0002] Condensate recovery is an environmental protection and energy-saving technology, which involves collecting and reusing the condensate generated in industrial processes, air conditioning systems, steam systems or other heat exchange processes. Condensate is usually pure or contains a low concentration of pollutants, so it can be recovered and used as cooling water, process water, boiler feed water or other purposes.
[0003] As disclosed in a condensate recovery tank with the authorization publication number of CN219161036U, it includes a tank body. A first water pump is fixedly arranged at the right end inside the tank body. An outlet pipe is fixedly arranged at the right end of the first water pump. The outlet pipe penetrates through the right side wall of the tank body and extends to the outside. An installation plate is fixedly arranged at the lower end of the left side wall of the tank body. The beneficial effect after adopting the above technical solution is that the whole process is automated and does not require manual operation.
[0004] Although the above patent is automated and does not require manual operation, the above device is only for the purpose of collection and cannot cool and recycle the recovered condensate. Content of the Utility Model
[0005] The purpose of the utility model is to provide a condensate recovery device with a liquid level gauge to solve the problems raised in the above background art.
[0006] To achieve the above purpose, the utility model provides the following technical solutions:
[0007] A condensate recovery device with a liquid level gauge, comprising
[0008] A collection tank, a collection pipe is communicated with the outside of the top end of one side of the collection tank, and a filtering mechanism is arranged at the upper end inside the collection tank;
[0009] A cooling tank, the cooling tank is arranged on the side of the collection tank away from the collection pipe. A partition is arranged in the middle of the cooling tank. A through slot is penetrated and opened at the bottom end of the partition. An opening and closing mechanism is arranged on the left side of the partition. An overflow pipe is arranged between the upper ends of the cooling tank and the collection tank;
[0010] A bracket, the bracket is fixedly installed in the middle of the top end of the left side of the cooling tank. An electronic liquid level gauge is arranged in the middle of the bracket. A serpentine pipe is arranged at the lower part inside the left side of the cooling tank. A circulation mechanism is arranged on the right side of the cooling tank.
[0011] Preferably, the filtering mechanism includes a retaining net detachably installed at the upper end inside the collection box and located below the water outlet end of the collection pipe. A filter net is detachably arranged directly below the bottom end of the collection box near the retaining net.
[0012] Preferably, there is a gap between the retaining net and the filter net, and the vertical distance of the gap is equal to the thickness of the filter net.
[0013] Preferably, the opening and closing mechanism includes a mounting seat fixedly installed at the upper outer side of the middle of one end of the partition plate close to the bracket. An electric push rod is fixedly installed at the top of the mounting seat. A fixing block is arranged at the output shaft end of the electric push rod. A blocking plate is arranged on one side of the fixing block close to the through groove, and the blocking plate is slidably connected to the outer side surface of the through groove.
[0014] Preferably, the outer diameter of the blocking plate is larger than the inner diameter of the through groove.
[0015] Preferably, the circulating mechanism includes a frame fixedly installed between the top ends on the right side of the partition plate and the cooling box. A circulating pump is fixedly installed at the top of the frame. One end of the circulating pump is provided with a water suction pipe, the bottom end of the water suction pipe communicates with the lower right side inside the cooling box, and the other end of the water suction pipe passes through the frame and communicates with a water outlet pipe.
[0016] Preferably, a filter element is arranged at the bottom end of the water suction pipe.
[0017] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0018] 1. For this condensate water recovery device with a liquid level gauge, through the combined use of the collection box, cooling box, retaining net, filter net and serpentine pipe, the filtered water falls into the interior of the collection box. As the water level rises, the water higher than the inlet end of the overflow pipe overflows to the left side inside the collection pipe. At this time, the external cooling system controls the circulating flow of the condensate liquid inside the serpentine pipe to continuously cool the water entering the collection pipe. The collection box can serve as a buffer to prevent untreated wastewater from directly entering the cooling system, reducing corrosion and blockage of the cooling equipment and extending the service life of the equipment, while the cooling box can perform more refined cooling treatment.
[0019] 2. The condensate recovery device with a liquid level gauge, through the combined use of a cooling box, a partition board, an electric push rod, a fixing block, a plug plate and an electronic liquid level gauge, opens a through groove below the partition board, and controls the lifting and lowering of the plug plate through the electric push rod and the fixing block to operate the opening and closing of the through groove. In this way, it will only open when the water volume collected inside the left side of the collecting pipe reaches a high value. If the water continuously supplied to the collecting pipe, the water level on the left side of the collecting pipe will remain at a high value. In this case, the plug plate is in the raised state, and the circulation pump continuously operates for circulating flow. When the collecting pipe stops supplying water, the plug plate is in the lowered state, and the circulation pump stops. This can avoid the idling of the circulation pump and also achieve the purpose of energy conservation. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 is a schematic front view of the overall structure of the present utility model;
[0021] Figure 2 is a schematic cross-sectional view of the overall structure of the present utility model;
[0022] Figure 3 is of the present utility model Figure 2 magnified schematic view at A;
[0023] Figure 4 is of the present utility model Figure 2 magnified schematic view at B.
[0024] In the figure: 1, collecting box; 2, collecting pipe; 3, cooling box; 4, partition board; 5, through groove; 6, support; 7, electronic liquid level gauge; 8, retaining net; 9, filter screen; 10, mounting seat; 11, electric push rod; 12, fixing block; 13, plug plate; 14, frame; 15, circulation pump; 16, water suction pipe; 17, water outlet pipe; 18, serpentine pipe; 19, filter element; 20, overflow pipe. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0025] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0026] As Figures 1 - 4 shown, a technical solution provided by the present utility model:
[0027] A condensate recovery device with a liquid level gauge, comprising a collection tank 1. One side of the top exterior of the collection tank 1 is connected to a collection pipe 2. A filtering mechanism is arranged at the upper end inside the collection tank 1. The filtering mechanism includes a retaining net 8. The retaining net 8 is detachably installed at the upper end inside the collection tank 1 and is located below the water outlet end of the collection pipe 2. A filter screen 9 is detachably arranged directly below the bottom of the collection tank 1 near the retaining net 8. A support 6 is fixedly installed in the middle of the left top end of the cooling tank 3. An electronic liquid level gauge 7 is arranged in the middle of the support 6. A serpentine pipe 18 is arranged at the lower left inside of the cooling tank 3. There is a gap between the retaining net 8 and the filter screen 9, and the vertical spacing of the gap is equal to the thickness of the filter screen 9. A circulation mechanism is arranged on the right side of the cooling tank 3. The circulation mechanism includes a frame 14. The frame 14 is fixedly installed between the partition 4 and the right top end of the cooling tank 3. A circulation pump 15 is fixedly installed at the top end of the frame 14. One end of the circulation pump 15 is provided with a water suction pipe 16. The bottom end of the water suction pipe 16 communicates with the lower right inside of the cooling tank 3. The other end of the water suction pipe 16 passes through the frame 14 and is connected to a water outlet pipe 17. A filter element 19 is arranged at the bottom end of the water suction pipe 16;
[0028] In this embodiment, when collecting condensate, the collection pipe 2 is connected to the condensate recovery pipeline, and water enters the collection tank 1 from the collection pipe 2. First, large-volume sundries are filtered by the upper retaining net 8, and then small-volume sundries are filtered by the lower filter screen 9. The filtered water falls into the inside of the collection tank 1. As the water level rises, the water higher than the inlet end of the overflow pipe 20 overflows to the left inside of the collection pipe 2. At this time, the condensate inside the serpentine pipe 18 is controlled to circulate by an external cooling system, and the water entering the inside of the collection pipe 2 is continuously cooled. The collection tank 1 can serve as a buffer to prevent untreated wastewater from directly entering the cooling system, reduce the corrosion and blockage of the cooling equipment, and extend the service life of the equipment. The cooling tank 3 can perform more refined cooling treatment.
[0029] As Figure 2 and Figure 4 shown, a cooling tank 3 is arranged on the side of the collection tank 1 away from the collection pipe 2. A partition 4 is arranged in the middle of the cooling tank 3. A through groove 5 is penetrated and opened at the bottom end of the partition 4. An opening and closing mechanism is arranged on the left side of the partition 4. An overflow pipe 20 is arranged between the upper ends of the cooling tank 3 and the collection tank 1. The opening and closing mechanism includes a mounting seat 10. The mounting seat 10 is fixedly installed on the upper outer side of the middle of one end of the partition 4 close to the support 6. An electric push rod 11 is fixedly installed at the top end of the mounting seat 10. A fixing block 12 is arranged at the output shaft end of the electric push rod 11. A blocking plate 13 is arranged on the side of the fixing block 12 close to the through groove 5. The blocking plate 13 is slidably connected to the outer side surface of the through groove 5. The outer diameter of the blocking plate 13 is larger than the inner diameter of the through groove 5;
[0030] In this embodiment, a through groove 5 is opened below the partition plate 4, and the plug plate 13 is controlled to lift and lower by the electric push rod 11 and the fixed block 12 to operate the opening and closing of the passage of the through groove 5. In this way, it will only open when the water volume collected inside the left side of the collecting pipe 2 reaches a high value. If the water continuously supplied to the collecting pipe 2, then the water level on the left side of the collecting pipe 2 will remain at a high value. In this case, the plug plate 13 is in the raised state, and the circulation pump 15 continuously operates for circulating flow. When the collecting pipe 2 stops supplying water, the plug plate 13 is in the lowered state, and the circulation pump 15 stops. This can avoid the idling of the circulation pump 15 and also achieve the purpose of energy saving.
[0031] Working principle: When collecting condensed water, the collecting pipe 2 is connected to the condensed water recovery pipeline, and water enters the collecting box 1 from the collecting pipe 2. First, large-volume sundries are filtered by the upper retaining net 8, and then small-volume sundries are filtered by the lower filter net 9. The filtered water falls into the inside of the collecting box 1. As the water level rises, the water higher than the inlet end of the overflow pipe 20 overflows into the left side inside the collecting pipe 2. At this time, the condensed liquid inside the serpentine pipe 18 is controlled to circulate by the external cooling system to continuously cool the water entering the collecting pipe 2. When the water level after cooling inside the collecting pipe 2 reaches a high value, it is detected by the electronic liquid level gauge 7. Since the electronic liquid level gauge 7 is electrically connected to the electric push rod 11 and the circulation pump 15, the electronic liquid level gauge 7 controls the electric push rod 11 to start. After the electric push rod 11 starts, it lifts the fixed block 12. After the fixed block 12 is lifted, it lifts the plug plate 13, so that the through groove 5 below the partition plate 4 is opened. At this time, the cooling water on the left side inside the collecting pipe 2 passes through the through groove 5 and enters the right side. At the same time as the water enters, it is pumped away by the circulation pump 15 through the water suction pipe 16, and then pumped to the pipeline system that needs to use the cooling water for cooling through the water outlet pipe 17. When the overall water level inside drops to the lowest end, the electronic liquid level gauge 7 controls the electric push rod 11 to start again and closes the circulation pump 15.
[0032] The above shows and describes the basic principle, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and the descriptions in the specification are only preferred examples of the present invention and are not used to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection required by the present invention is defined by the appended claims and their equivalents.
Claims
1. A condensate recovery device with a liquid level gauge, characterized in that, including a collection box (1), one side top end of the collection box (1) is externally communicated with a collection pipe (2), and a filtering mechanism is arranged at the upper end inside the collection box (1); a cooling box (3), the cooling box (3) is arranged on one side of the collection box (1) far away from the collection pipe (2), a partition board (4) is arranged in the middle of the cooling box (3), a through groove (5) is penetrated and opened at the bottom end of the partition board (4), an opening and closing mechanism is arranged on the left side of the partition board (4), and an overflow pipe (20) is arranged between the upper ends of the cooling box (3) and the collection box (1); a bracket (6), the bracket (6) is fixedly installed in the middle of the left side top end of the cooling box (3), an electronic liquid level gauge (7) is arranged in the middle of the bracket (6), a serpentine pipe (18) is arranged at the lower part inside the left side of the cooling box (3), and a circulating mechanism is arranged on the right side of the cooling box (3).
2. The condensate water recovery device with a liquid level gauge according to claim 1, characterized in that, The filtering mechanism includes a retaining net (8), the retaining net (8) is detachably installed at the upper end inside the collection box (1) and is located below the water outlet end of the collection pipe (2), and a filter net (9) is detachably arranged directly below the bottom end of the collection box (1) close to the retaining net (8).
3. The condensate water recovery device with a liquid level gauge according to claim 2, characterized in that, There is a gap between the retaining net (8) and the filter net (9), and the vertical distance of the gap is equal to the thickness of the filter net (9).
4. A condensate recovery device with a liquid level gauge according to claim 1, characterized in that, The opening and closing mechanism includes a mounting seat (10), the mounting seat (10) is fixedly installed at the upper end outside the middle of one end of the partition board (4) close to the bracket (6), an electric push rod (11) is fixedly installed at the top end of the mounting seat (10), a fixing block (12) is arranged at the output shaft end of the electric push rod (11), a blocking plate (13) is arranged on one side of the fixing block (12) close to the through groove (5), and the blocking plate (13) is slidably connected with the outer side surface of the through groove (5).
5. The condensate water recovery device with a liquid level gauge according to claim 4, characterized in that, The outer diameter of the blocking plate (13) is larger than the inner diameter of the through groove (5).
6. The condensate water recovery device with a liquid level gauge according to claim 1, characterized in that, The circulating mechanism includes a frame (14), the frame (14) is fixedly installed between the partition board (4) and the right side top end of the cooling box (3), a circulating pump (15) is fixedly installed at the top end of the frame (14), a water suction pipe (16) is arranged at one end of the circulating pump (15), the bottom end of the water suction pipe (16) is communicated with the lower part inside the right side of the cooling box (3), and the other end of the water suction pipe (16) passes through the frame (14) and is communicated with a water outlet pipe (17).
7. The condensate water recovery device with a liquid level gauge according to claim 6, characterized in that, A filter element (19) is arranged at the bottom end of the water suction pipe (16).
Citation Information
Patent Citations
Condensate water recycling box
CN219161036U