A device for increasing the condenser vacuum pressure of a front refrigerator

CN224933307UActive Publication Date: 2026-11-03DENGZHOU CHINA UNITED CEMENT
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Patent Information

Application Number
CN202522481413.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-24
Publication Date
2026-11-03
Estimated Expiration
2035-11-24

AI Technical Summary

Technical Problem

In the process of waste heat power generation, the vacuum level of the vacuum pump is greatly affected by the temperature of the condenser, resulting in a decrease in power generation. Existing vacuum pump coolers cannot effectively control temperature fluctuations, especially when there are significant temperature differences between winter and summer, which affects the vacuum level of the vacuum pump and the power generation efficiency.

Method used

A combination of a first vacuum pump cooler and a second vacuum pump cooler is adopted. The uncondensed gas-water mixture in the condenser is cooled in stages. It is first cooled in the first vacuum pump cooler, then further processed in the second vacuum pump cooler, and finally enters the vacuum pump body. Combined with the suction and drainage box and plate cooler, the medium temperature is stabilized and the vacuum degree of the vacuum pump is improved.

Benefits of technology

Effective control of medium temperature stabilizes vacuum pump vacuum level, increases power generation, reduces the impact of vacuum pump temperature on vacuum level, and improves system thermal efficiency and power generation efficiency.

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Abstract

The utility model relates to a waste heat power generation condenser technical field, specifically disclose a device that improves condenser vacuum pressure of front cooler, including condenser body, first vacuum pump cooler, second vacuum pump cooler, exhaust drainage tank, plate cooler and vacuum pump body, the condenser body is connected with first vacuum pump cooler, and first vacuum pump cooler is connected with second vacuum cooler. The utility model discloses be provided with first vacuum pump cooler and second vacuum pump cooler, through first vacuum pump cooler, the gas water mixture that does not condense in the circulating water and condenser body is cooled first, then is transported to the inside handling of second vacuum pump cooler, then enters the inside use of vacuum pump body again, through this operation mode, can effectively control medium temperature, can effectively reduce the influence of medium temperature to vacuum pump vacuum degree, thereby reach the purpose that improves power generation.
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Description

Technical Field

[0001] This utility model relates to the field of waste heat power generation condenser technology, and in particular to a device for improving the vacuum pressure of a condenser using a pre-cooler. Background Technology

[0002] Waste heat power generation is a technology that recovers heat energy that would otherwise be wasted in industrial processes and converts it into electrical energy using a thermal cycle system.

[0003] Currently, condensers and vacuum pumps are used as auxiliary equipment in the process of waste heat power generation. The purpose is to maintain the system vacuum, improve thermal efficiency, and thus increase power generation. The vacuum level that the vacuum pump can achieve is closely related to the temperature of the medium. Since there are significant differences in temperature between winter and summer, the vacuum level of the vacuum pump differs significantly between winter and summer. Currently, a vacuum pump cooler is used at the front end of the vacuum pump to cool it down. However, in actual use, measurements have shown that the temperature of the vacuum pump casing is very high, and the temperature of the vacuum pump cooler and vacuum pipeline at the front end of the vacuum pump is also very high. The main source of this temperature is the condenser. Excessively hot gas entering the vacuum pump will significantly reduce the vacuum level of the vacuum pump and affect the overall power generation. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a device for improving the vacuum pressure of a condenser in a pre-cooler.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A device for increasing the vacuum pressure of a condenser using a pre-cooler includes a condenser body, a first vacuum pump cooler, a second vacuum pump cooler, a vacuum pump drain tank, a plate cooler, and a vacuum pump body. The condenser body is connected to the first vacuum pump cooler, the first vacuum pump cooler is connected to the second vacuum pump cooler, the second vacuum pump cooler is connected to the vacuum pump body, the vacuum pump body is connected to the vacuum pump drain tank, the vacuum pump drain tank is connected to the plate cooler, and the plate cooler is connected to both the second vacuum pump cooler and the vacuum pump body.

[0007] Preferably, the first vacuum pump cooler is provided with a first connection port, a second connection port, a first outlet port and a third connection port, and the first connection port is connected to the output end of the condenser body through a pipe.

[0008] Preferably, the second vacuum pump cooler is provided with a fourth connection port, a fifth connection port, a second outlet port and a sixth connection port, and the third connection port and the fourth connection port are connected by a pipe.

[0009] Preferably, the vacuum pump body is provided with an inlet and an outlet, the sixth connection port is connected to the inlet via a conduit, and the outlet is connected to the inlet of the vacuum pump box via a conduit.

[0010] Preferably, the output end of the vacuum drain box is connected to the input end of the plate cooler via a conduit, the output end of the plate cooler is connected to the input port of the vacuum pump body via a conduit, and the output end of the plate cooler is connected to the fifth connection port on the second vacuum pump cooler via another conduit.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] This invention incorporates a first vacuum pump cooler and a second vacuum pump cooler. The first vacuum pump cooler first cools the circulating water and the uncondensed gas-water mixture in the condenser body, then transports it to the second vacuum pump cooler for further processing before it enters the vacuum pump body for use. This operation method effectively controls the medium temperature, reducing the impact of medium temperature on the vacuum pump's vacuum level, thereby increasing power generation. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure and connection of this utility model.

[0014] In the diagram: 1. Condenser body; 2. First vacuum pump cooler; 3. Second vacuum pump cooler; 4. Vacuum drain tank; 5. Plate cooler; 6. Vacuum pump body; 7. First connection port; 8. Second connection port; 9. First outlet; 10. Third connection port; 11. Fourth connection port; 12. Fifth connection port; 13. Second outlet; 14. Sixth connection port; 15. Output port; 16. Input port. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0016] Reference Figure 1A device for increasing the vacuum pressure of a condenser using a pre-cooler includes a condenser body 1, a first vacuum pump cooler 2, a second vacuum pump cooler 3, a vacuum pump drain tank 4, a plate cooler 5, and a vacuum pump body 6. The condenser body 1 is connected to the first vacuum pump cooler 2, the first vacuum pump cooler 2 is connected to the second vacuum pump cooler 3, the second vacuum pump cooler 3 is connected to the vacuum pump body 6, the vacuum pump body 6 is connected to the vacuum pump drain tank 4, the vacuum pump drain tank 4 is connected to the plate cooler 5, and the plate cooler 5 is connected to both the second vacuum pump cooler 3 and the vacuum pump body 6. The first vacuum pump cooler 2 and the second vacuum pump cooler 3 can control the temperature of the uncondensed gas-water mixture in the condenser body 1, thereby ensuring the temperature stability of the vacuum pump body 6 during use, and thus ensuring the stability of the vacuum degree of the vacuum pump body 6 during use. The suction drain tank 4 can discharge the gas in the gas-water mixture and generate the required circulating water. The plate cooler 5 can cool the circulating water formed in the suction drain tank 4. The plate cooler 5 can send part of the cooled circulating water to the vacuum pump body 6 for water replenishment to maintain the normal operation of the vacuum pump body 6. The excess circulating water is sent to the second vacuum pump cooler 3 and discharged into the main circulating water network.

[0017] As a technical optimization of this utility model, the first vacuum pump cooler 2 is provided with a first connection port 7, a second connection port 8, a first outlet port 9, and a third connection port 10. The first connection port 7 is connected to the output end of the condenser body 1 through a pipe. Uncondensed gas-water mixture in the condenser body 1 can enter the interior of the first vacuum pump cooler 2 through the conveying pipe and the first connection port 7.

[0018] As a technical optimization of this utility model, the second vacuum pump cooler is provided with a fourth connection port 11, a fifth connection port 12, a second outlet port 13, and a sixth connection port 14. The third connection port 10 and the fourth connection port 11 are connected by a pipe. By connecting the third connection port 10 and the fourth connection port 11 by a pipe, the gas-water mixture processed in the first vacuum pump cooler 2 can be transported to the second vacuum pump cooler 3 for further processing.

[0019] As a technical optimization of this utility model, the vacuum pump body 6 is provided with an inlet 16 and an outlet 15. A sixth connection port 14 is connected to the inlet 16 via a conduit, and the outlet 15 is connected to the inlet of the vacuum pump drain box 4 via a conduit. By connecting the sixth connection port 14 to the inlet 16, the gas-water mixture processed by the second vacuum pump cooler 3 can be transported into the vacuum pump body 6. By connecting the outlet 15 to the inlet of the vacuum pump drain box 4, the gas-water mixture in the vacuum pump body 6 can be transported into the interior of the vacuum pump drain box 4.

[0020] As a technical optimization of this utility model, the output end of the vacuum pump drain tank 4 is connected to the input end of the plate cooler 5 via a conduit. The output end of the plate cooler 5 is connected to the input port 16 of the vacuum pump body 6 via a conduit, and the output end of the plate cooler 5 is connected to the fifth connection port 12 on the second vacuum pump cooler 3 via another conduit. By connecting the output end of the vacuum pump drain tank 4 to the input end of the plate cooler 5, the circulating water processed in the vacuum pump drain tank 4 can be transported to the plate cooler 5 for further processing. The output end of the plate cooler 5 is connected to the input port 16 of the vacuum pump body 6 and the second vacuum pump cooler 3 via conduits, which allows for both water replenishment to the vacuum pump body 6 and discharge of excess circulating water through the second vacuum pump cooler 3.

[0021] In use, the input end of the condenser body 1 is connected to the main circulating water network. The second connection port 8 and the first outlet port 9 on the first vacuum pump cooler 2 are both connected to the main circulating water network. The water entering the second connection port 8 is the circulating water from the clinker production line, which has a lower water temperature. During use, the uncondensed gas-water mixture in the condenser body 1 is drawn into the first vacuum pump cooler 2 through the pipe connecting the condenser body 1 and the first connection port 7 under the suction of the vacuum pump body 6. The gas entering the first vacuum pump cooler 2 then passes through the third connection port 10 and the fourth connection port 11 into the second vacuum pump cooler 3. The gas-water mixture entering the second vacuum pump cooler 3 then passes through the sixth connection port 14 and the input port 16. The excess gas-water mixture inside the vacuum pump body 6 is discharged through the output port 15 on the vacuum pump body 6 and enters the vacuum pump drain tank 4 through the pipe connected to the input end of the vacuum pump drain tank 4 via the output port 15. The water processed in the vacuum pump drain tank 4 enters the plate cooler 5 through the pipe connecting the output end of the vacuum pump drain tank 4 to the input end of the plate cooler 5. Part of the water processed by the plate cooler 5 enters the vacuum pump body 6 through the connection between the output end of the plate cooler 5 and the input port 16 to replenish the vacuum pump body 6. The remaining water enters the second vacuum pump cooler 3 through the connection between the output end of the plate cooler 5 and the fifth connection port 12, and is then discharged to the main circulating water network through the second outlet 13.

[0022] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A device for increasing the vacuum pressure of a condenser using a pre-cooler, comprising a condenser body (1), a first vacuum pump cooler (2), a second vacuum pump cooler (3), a vacuum drainage tank (4), a plate cooler (5), and a vacuum pump body (6), characterized in that, The condenser body (1) is connected to the first vacuum pump cooler (2), the first vacuum pump cooler (2) is connected to the second vacuum pump cooler (3), the second vacuum pump cooler (3) is connected to the vacuum pump body (6), the vacuum pump body (6) is connected to the vacuum pump drain box (4), the vacuum pump drain box (4) is connected to the plate cooler (5), and the plate cooler (5) is connected to the second vacuum pump cooler (3) and the vacuum pump body (6) respectively.

2. The device for increasing the vacuum pressure of a condenser using a pre-cooler according to claim 1, characterized in that, The first vacuum pump cooler (2) is provided with a first connection port (7), a second connection port (8), a first outlet port (9) and a third connection port (10). The first connection port (7) is connected to the output end of the condenser body (1) through a pipe.

3. The device for increasing the vacuum pressure of a condenser using a pre-cooler according to claim 1, characterized in that, The second vacuum pump cooler is provided with a fourth connection port (11), a fifth connection port (12), a second outlet port (13) and a sixth connection port (14), and the third connection port (10) and the fourth connection port (11) are connected by a pipe.

4. The device for increasing the vacuum pressure of a condenser using a pre-cooler according to claim 1, characterized in that, The vacuum pump body (6) is provided with an inlet (16) and an outlet (15). The sixth connection port (14) is connected to the inlet (16) through a conduit, and the outlet (15) is connected to the inlet of the vacuum pump drain box (4) through a conduit.

5. The device for increasing the vacuum pressure of a condenser using a pre-cooler according to claim 1, characterized in that, The output end of the vacuum pump drain box (4) is connected to the input end of the plate cooler (5) through a conduit. The output end of the plate cooler (5) is connected to the input port (16) of the vacuum pump body (6) through a conduit. The output end of the plate cooler (5) is connected to the fifth connection port (12) on the second vacuum pump cooler (3) through another conduit.