Ethylene glycol heat exchange system of cooling water tower
By using ethylene glycol as a cooling cooling medium in the cooling water tower system, the system stopping problem caused by the icing of fillers is solved, and wind and sand are avoided from entering through a closed circulation system, achieving higher system stability and use efficiency.
Patent Information
- Application Number
- CN202421782286.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-26
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-07-26
AI Technical Summary
The existing cooling water tower system has the system stopped due to the freezing of fillers in winter, and the closed circulation system is easily affected by wind and sand, which increases the cleaning frequency of the cooling water pump filter.
Ethylene glycol is used as a cooling cooling medium to replace filler to prevent the filler from freezing and blocking the cooling water pump filter, and to prevent wind and sand from entering through a closed circulation system.
It effectively avoids system stopping caused by icing of fillers, reduces the frequency of cleaning of the cooling water pump filter, and improves the stability and use efficiency of the system.
Smart Images
Figure CN222881770U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of cooling water tower heat exchange, in particular to a cooling water tower ethylene glycol heat exchange system. Background Art
[0002] The ethylene glycol heat exchange system of the cooling water tower is a supporting equipment for cooling the cooling water tower. Now the return water cooling method of the 271 air-cooling tower and the water-cooling tower is to use fillers to perform cooling operations inside the cooling tower. With the continuous development of science and technology, people have higher and higher requirements for the manufacturing process of the ethylene glycol heat exchange system of the cooling water tower.
[0003] The existing cooling water tower system has certain drawbacks when in use. In winter, the plastic filler will freeze. The ice will gradually grow larger and fall into the filler in the pool and enter the cooling water pump inlet, resulting in insufficient suction of the cooling water pump, forming cavitation, and causing the water tank liquid level deviation to increase. The liquid level chain will shut down the entire nitrogen production system. The current operating mode has a greater risk of system tripping, which has brought certain adverse effects to the actual use process. For this reason, we propose a cooling water tower ethylene glycol heat exchange system. Utility Model Content
[0004] Technical problem solved: In view of the shortcomings of the prior art, the utility model provides a cooling water tower ethylene glycol heat exchange system, which is changed to ethylene glycol cooling to avoid the system tripping caused by the filler entering the circulating cooling water pipeline due to ice blocking the cooling water pump filter. It is a closed circulation system, which can prevent wind and sand from entering the circulation system and reduce the frequency of cleaning the cooling water pump filter, which can effectively solve the problems in the background technology.
[0005] Technical solution: To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a cooling water tower ethylene glycol heat exchange system, including an air-cooling tower, a water-cooling tower, a first cooling water pump filter, a second cooling water pump filter and a circulation system, the first cooling water pump filter is connected to the second cooling water pump filter and the air cooling tower, the circulation system connects the air cooling tower and the water cooling tower, the water cooling tower is connected to the first cooling water pump filter, the second cooling water pump filter and the air cooling tower are both connected to a closed water storage tank, the closed water storage tank is connected to the circulation system, the second cooling water pump filter and the first cooling water pump filter are both connected to an ethylene glycol feed box and an ethylene glycol discharge box, and a pump is provided on the circulation system.
[0006] Preferably, a liquid monitor is positioned on the top of the ethylene glycol discharge box, an upper liquid level monitor, a middle liquid level monitor and a lower liquid level monitor are sequentially installed on one side of the interior of the ethylene glycol discharge box from top to bottom, a liquid inlet valve is installed on the other side of the interior of the ethylene glycol discharge box, the bottom of the liquid monitor is connected to a bus, a monitoring probe is positioned on the outer wall of the bus, and a filter is positioned on one side of the interior of the ethylene glycol discharge box close to the liquid inlet valve.
[0007] Preferably, the output end of the ethylene glycol feed box is through-connected with the input ends of the second cooling water pump filter and the first cooling water pump filter, and the output ends of the second cooling water pump filter and the first cooling water pump filter are through-connected with the input end of the ethylene glycol discharge box, and the second cooling water pump filter and the first cooling water pump filter are both provided with a filter head and a controller.
[0008] Preferably, the output end of the first cooling water pump filter is connected to the input end of the air cooling tower, and the output ends of the air cooling tower and the second cooling water pump filter are connected to the input end of the closed water storage tank.
[0009] Preferably, the output end of the closed water storage tank is connected to the input end of the circulation system, and the output end of the air cooling tower and the circulation system is connected to the input end of the water cooling tower.
[0010] Preferably, the upper liquid level monitor, the middle liquid level monitor and the lower liquid level monitor monitor the liquid level inside the ethylene glycol discharge box, and the output end of the monitoring probe is electrically connected to the input end of the liquid monitor through a bus.
[0011] Beneficial effects: Compared with the prior art, the utility model provides a cooling water tower ethylene glycol heat exchange system, which has the following beneficial effects: the cooling water tower ethylene glycol heat exchange system is changed to ethylene glycol cooling, which avoids the system tripping caused by the filler entering the circulating cooling water pipeline due to ice blocking the cooling water pump filter. It is a closed circulation system, which can prevent wind and sand from entering the circulation system and reduce the frequency of cleaning the cooling water pump filter. The entire cooling water tower ethylene glycol heat exchange system has a simple structure and is easy to operate, and the effect of use is better than that of the traditional method. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 The utility model is a schematic diagram of the overall structure of a cooling water tower ethylene glycol heat exchange system.
[0013] Figure 2 The utility model is a schematic diagram of the structure of a cooling water pump filter in a cooling water tower glycol heat exchange system.
[0014] Figure 3 The utility model is a schematic diagram of the structure of an ethylene glycol discharge box in an ethylene glycol heat exchange system of a cooling water tower.
[0015] Figure 4 It is a structural schematic diagram of an air cooling tower and a water cooling tower in a cooling water tower ethylene glycol heat exchange system of the utility model.
[0016] In the figure: 1. air cooling tower; 2. first cooling water pump filter; 3. ethylene glycol feed box; 4. ethylene glycol discharge box; 5. second cooling water pump filter; 6. closed water storage tank; 7. circulation system; 8. water cooling tower; 9. filter head; 10. controller; 11. upper liquid level monitor; 12. liquid monitor; 13. bus; 14. filter screen; 15. liquid inlet valve; 16. monitoring probe; 17. lower liquid level monitor; 18. middle liquid level monitor; 19. pump. DETAILED DESCRIPTION
[0017] The technical solution of the utility model will be clearly and completely described below in conjunction with the accompanying drawings and specific embodiments, but those skilled in the art will understand that the embodiments described below are part of the embodiments of the utility model, rather than all of the embodiments, and are only used to illustrate the utility model, and should not be considered as limiting the scope of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in the field without making creative work are within the scope of protection of the utility model. If the specific conditions are not specified in the embodiments, they are carried out according to conventional conditions or conditions recommended by the manufacturer. If the manufacturer is not specified for the reagents or instruments used, they are all conventional products that can be purchased commercially.
[0018] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.
[0019] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0020] like Figure 1-4As shown, a cooling water tower ethylene glycol heat exchange system includes an air cooling tower 1, a water cooling tower 8, a first cooling water pump filter 2, a second cooling water pump filter 5 and a circulation system 7, the first cooling water pump filter 2 is connected to the second cooling water pump filter 5 and the air cooling tower 1, the circulation system 7 connects the air cooling tower 1 and the water cooling tower 8, the water cooling tower 8 is connected to the first cooling water pump filter 2, the second cooling water pump filter 5 and the air cooling tower 1 are both connected to a closed water storage tank 6, the closed water storage tank 6 is connected to the circulation system 7, the second cooling water pump filter 5 and the first cooling water pump filter 2 are both connected to an ethylene glycol feed box 3 and an ethylene glycol discharge box 4, a pump 19 is provided on the circulation system 7, and ethylene glycol cooling is changed to avoid system tripping caused by packing entering the circulating cooling water pipeline due to ice blocking the cooling water pump filter, which is a closed circulation system, can prevent wind and sand from entering the circulation system, and reduce the frequency of cleaning the cooling water pump filter.
[0021] Furthermore, a liquid monitor 12 is positioned on the top of the ethylene glycol discharge box 4, and an upper liquid level monitor 11, a middle liquid level monitor 18 and a lower liquid level monitor 17 are installed on one side of the interior of the ethylene glycol discharge box 4 from top to bottom. A liquid inlet valve 15 is installed on the other side of the interior of the ethylene glycol discharge box 4, and a bus 13 is connected to the bottom of the liquid monitor 12. A monitoring probe 16 is positioned on the outer wall of the bus 13, and a filter screen 14 is positioned on one side of the interior of the ethylene glycol discharge box 4 close to the liquid inlet valve 15.
[0022] Furthermore, the output end of the ethylene glycol feed box 3 is through-connected with the input ends of the second cooling water pump filter 5 and the first cooling water pump filter 2, and the output ends of the second cooling water pump filter 5 and the first cooling water pump filter 2 are through-connected with the input end of the ethylene glycol discharge box 4, and the second cooling water pump filter 5 and the first cooling water pump filter 2 are both provided with a filter head 9 and a controller 10.
[0023] Furthermore, the output end of the first cooling water pump filter 2 is connected to the input end of the air cooling tower 1 , and the output ends of the air cooling tower 1 and the second cooling water pump filter 5 are connected to the input end of the closed water storage tank 6 .
[0024] Furthermore, the output end of the closed water storage tank 6 is connected to the input end of the circulation system 7 , and the output ends of the air cooling tower 1 and the circulation system 7 are connected to the input end of the water cooling tower 8 .
[0025] Furthermore, the upper liquid level monitor 11 , the middle liquid level monitor 18 and the lower liquid level monitor 17 monitor the liquid level inside the ethylene glycol discharge box 4 , and the output end of the monitoring probe 16 is electrically connected to the input end of the liquid monitor 12 through the bus 13 .
[0026] The remaining amount of ethylene glycol can be used to replace the cooling tower to cool the cooling water after calculation to meet the cooling capacity of the current cooling tower;
[0027] Cold medium: -20~-15℃ ethylene glycol 50% inlet pressure 0.6Mpa, outlet pressure 0.3Mpa;
[0028] Heat medium: water; flow rate: 13m³ / h; temperature 30-7℃; pump outlet pressure 0.55Mpa;
[0029] Cold medium: -20~-15℃ ethylene glycol 50%;
[0030] Heat medium: water; flow rate 63m³ / h; temperature 39-31℃; pump outlet pressure 1.5Mpa.
[0031] Working principle: The utility model includes an air-cooling tower 1, a first cooling water pump filter 2, an ethylene glycol feed box 3, an ethylene glycol discharge box 4, a second cooling water pump filter 5, a closed water storage tank 6, a circulation system 7, a water-cooling tower 8, a filter head 9, a controller 10, an upper liquid level monitor 11, a liquid monitor 12, a bus 13, a filter screen 14, an inlet valve 15, a monitoring probe 16, a lower liquid level monitor 17, a middle liquid level monitor 18, and a pump 19. It is changed to ethylene glycol cooling to avoid the system tripping caused by the filling entering the circulating cooling water pipeline due to ice and clogging the cooling water pump filter. It is a closed circulation system, which can prevent wind and sand from entering the circulation system and reduce the frequency of cleaning the cooling water pump filter.
[0032] It should be noted that, in this article, relational terms such as first and second (number one, number two), etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "including one..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.
[0033] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.
Claims
1. A cooling water tower ethylene glycol heat exchange system, comprising an air cooling tower (1), a water cooling tower (8), a first cooling water pump filter (2), a second cooling water pump filter (5) and a circulation system (7), characterized in that: The first cooling water pump filter (2) is connected to the second cooling water pump filter (5) and the air cooling tower (1); the circulation system (7) is connected to the air cooling tower (1) and the water cooling tower (8); the water cooling tower (8) is connected to the first cooling water pump filter (2); the second cooling water pump filter (5) and the air cooling tower (1) are both connected to a closed water storage tank (6); the closed water storage tank (6) is connected to the circulation system (7); the second cooling water pump filter (5) and the first cooling water pump filter (2) are both connected to an ethylene glycol feed box (3) and an ethylene glycol discharge box (4); and a pump (19) is provided on the circulation system (7).
2. A cooling water tower ethylene glycol heat exchange system according to claim 1, characterized in that: A liquid monitor (12) is positioned at the top of the ethylene glycol discharge box (4); an upper liquid level monitor (11), a middle liquid level monitor (18) and a lower liquid level monitor (17) are sequentially installed on one side of the interior of the ethylene glycol discharge box (4) from top to bottom; a liquid inlet valve (15) is installed on the other side of the interior of the ethylene glycol discharge box (4); a bus (13) is connected to the bottom of the liquid monitor (12); a monitoring probe (16) is positioned on the outer wall of the bus (13); and a filter screen (14) is positioned on one side of the interior of the ethylene glycol discharge box (4) close to the liquid inlet valve (15).
3. A cooling water tower ethylene glycol heat exchange system according to claim 1, characterized in that: The output end of the ethylene glycol feed box (3) is connected to the input end of the second cooling water pump filter (5) and the first cooling water pump filter (2); the output ends of the second cooling water pump filter (5) and the first cooling water pump filter (2) are connected to the input end of the ethylene glycol discharge box (4); and the second cooling water pump filter (5) and the first cooling water pump filter (2) are both provided with a filter head (9) and a controller (10).
4. A cooling water tower ethylene glycol heat exchange system according to claim 1, characterized in that: The output end of the first cooling water pump filter (2) is connected to the input end of the air cooling tower (1), and the output ends of the air cooling tower (1) and the second cooling water pump filter (5) are connected to the input end of the closed water storage tank (6).
5. The cooling water tower ethylene glycol heat exchange system according to claim 1, characterized in that: The output end of the closed water storage tank (6) is connected to the input end of the circulation system (7), and the output ends of the air cooling tower (1) and the circulation system (7) are connected to the input end of the water cooling tower (8).
6. A cooling water tower ethylene glycol heat exchange system according to claim 2, characterized in that: The upper liquid level monitor (11), the middle liquid level monitor (18) and the lower liquid level monitor (17) monitor the liquid level inside the ethylene glycol discharge box (4), and the output end of the monitoring probe (16) is electrically connected to the input end of the liquid monitor (12) via the bus (13).