High-back-pressure cascade heat supply integrated condenser of multi-heat-supply-network circulating water pipeline air cooling unit

By merging multiple condensers into a single unit, designing an independent steam and water chamber system, and vertically arranging heat exchange tube bundles, the problems of high redundancy and high investment in high back-pressure cascade heating systems were solved, achieving system integration optimization and efficiency improvement.

CN223940010UActive Publication Date: 2026-02-24UNI RISING BEIJING TECH CO LTD
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Patent Information

Application Number
CN202520550415.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-26
Publication Date
2026-02-24
Estimated Expiration
2035-03-26

AI Technical Summary

Technical Problem

Existing high back pressure cascade heating systems have high equipment redundancy, complex piping systems, large footprints, and high investment costs. In particular, they cannot achieve system integration and optimization when dealing with heating network pipelines of multiple pressure levels.

Method used

The system adopts a high back pressure cascade heating integrated condenser with multi-heat network circulating water pipeline air-cooled unit. By merging multiple condensers into a single unit, it designs independent front and rear steam chambers and upper and lower water chamber systems, and adopts a three-stage reversal process and vertically layered heat exchange tube bundles to achieve system integration.

Benefits of technology

It reduces equipment footprint and investment costs, and improves system efficiency.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model provides a high-back-pressure cascade heat supply integrated condenser of a multi-heat-supply-network circulating water pipeline air cooling unit. The high-back-pressure cascade heat supply integrated condenser comprises a front steam chamber, a rear steam chamber, an upper water chamber system and a lower water chamber system, wherein the front steam chamber and the rear steam chamber are independently arranged; the upper water chamber system covers the upper parts of the front steam chamber and the rear steam chamber to form a three-stage turn-back flow structure; and the lower water chamber system covers the lower parts of the front steam chamber and the rear steam chamber to form a three-stage turn-back flow structure. The device is small in occupied area and small in investment.
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Description

Technical Field

[0001] This utility model belongs to the technical field of heating systems in thermal power plants, specifically relating to an integrated condenser for high back pressure cascade heating of air-cooled units with multiple heating network circulating water pipelines in high-altitude, long-distance heating scenarios. It is particularly suitable for system optimization that achieves graded heating of multiple heating network pipelines through an integrated structure. Background Technology

[0002] Existing high back pressure cascade heating systems generally use multiple independent condensers to handle different heating network pipelines, which has drawbacks such as high equipment redundancy (requiring more than 4 units), complex pipeline systems, large footprint, and high investment costs. In particular, when dealing with heating network pipelines of multiple pressure levels, traditional solutions cannot achieve system integration and optimization. Utility Model Content

[0003] To address the shortcomings of existing technologies, this utility model provides a high back pressure cascade heating integrated condenser for multi-heat network circulating water pipeline air-cooled units. Through structural innovation, it combines multiple traditional condensers into a single unit, solving the problems of system complexity, high investment, and low efficiency.

[0004] To solve the above-mentioned technical problems, the technical solution adopted in this application is as follows:

[0005] A high-back-pressure cascade heating integrated condenser for multi-heat network circulating water pipeline air-cooled units includes:

[0006] Independently configured front and rear steam chambers, and independently configured upper and lower water chamber systems;

[0007] The upper water chamber system covers the upper part of the front steam chamber and the rear steam chamber, forming a three-stage reversal process structure;

[0008] The lower water chamber system covers the lower part of the front steam chamber and the rear steam chamber, forming a three-stage reversal process structure.

[0009] Furthermore, the upper water chamber system includes a first heating network pipeline inlet chamber, a first water chamber, a second water chamber, a third water chamber, a fourth water chamber, a fifth water chamber, and a first heating network pipeline outlet chamber connected in sequence.

[0010] Furthermore, the lower water chamber system includes a second heating network pipeline inlet chamber, a ninth water chamber, a tenth water chamber, an eleventh water chamber, a twelfth water chamber, a thirteenth water chamber, and a second heating network pipeline outlet chamber connected in sequence.

[0011] Furthermore, the first heating network pipeline inlet chamber, the first water chamber, and the second water chamber are located on the front steam chamber, while the fourth water chamber, the fifth water chamber, and the first heating network pipeline outlet chamber are located on the rear steam chamber.

[0012] The third water chamber is located between the front steam chamber and the rear steam chamber.

[0013] Furthermore, the second heating network pipeline inlet chamber, the ninth water chamber, and the tenth water chamber are located on the front steam chamber, while the twelfth water chamber, the thirteenth water chamber, and the second heating network pipeline outlet chamber are located on the rear steam chamber.

[0014] The eleventh water chamber is located between the front steam chamber and the rear steam chamber.

[0015] Furthermore, it also includes an independently set upper heat exchange system and a lower heat exchange system, which respectively cover the upper and lower parts of the front steam chamber and the rear steam chamber.

[0016] Furthermore, the upper heat exchange system includes a first front half heat exchange tube bundle and a first rear half heat exchange tube bundle that are interconnected, with the front half heat exchange tube bundle and the rear half heat exchange tube bundle respectively wound around the front steam chamber and the rear steam chamber.

[0017] Furthermore, the lower heat exchange system includes a second front half heat exchange tube bundle and a second rear half heat exchange tube bundle that are interconnected, with the front half heat exchange tube bundle and the rear half heat exchange tube bundle respectively wound around the front steam chamber and the rear steam chamber.

[0018] Furthermore, the heat exchange tube bundles of both the upper and lower heat exchange systems are arranged in a vertically layered manner.

[0019] Furthermore, the front steam chamber is provided with a first-stage heating steam inlet at the top and a front steam chamber hot well at the bottom; the rear steam chamber is provided with a second-stage heating steam inlet at the top and a rear steam chamber hot well at the bottom.

[0020] The front hot well is connected to the main unit's exhaust steam device via a drainage pipe, and the rear hot well is connected to the front hot well via a U-shaped water seal pipe, and is equipped with an upper-level drainage interface.

[0021] Compared with existing technologies, this application achieves the beneficial effects of requiring less land area and less investment. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is a schematic diagram of the high back pressure cascade heating integrated condenser structure of the multi-heat network circulating water pipeline air-cooled unit in this application. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0025] See Figure 1 This application discloses a high back-pressure cascade heating integrated condenser for multi-heat network circulating water pipeline air-cooled units, comprising:

[0026] Independently configured front steam chamber 19 and rear steam chamber 20, and independently configured upper water chamber system and lower water chamber system;

[0027] The upper water chamber system covers the upper part of the front steam chamber 19 and the rear steam chamber 20 to form a three-stage reversal process structure;

[0028] The lower water chamber system covers the lower part of the front steam chamber 19 and the rear steam chamber 20, forming a three-stage reversal process structure.

[0029] In this application, the upper water chamber system includes a first heating network pipeline inlet chamber 1, a first water chamber 2, a second water chamber 3, a third water chamber 4, a fourth water chamber 5, a fifth water chamber 6, and a first heating network pipeline outlet chamber 7, which are connected in sequence.

[0030] In this application, the lower water chamber system includes a second heating network pipeline inlet chamber 8, a ninth water chamber 9, a tenth water chamber 10, an eleventh water chamber 11, a twelfth water chamber 12, a thirteenth water chamber 13, and a second heating network pipeline outlet chamber 14, which are connected in sequence.

[0031] In this application, the first heating network pipeline inlet chamber 1, the first water chamber 2, and the second water chamber 3 are located on the front steam chamber 19, and the fourth water chamber 5, the fifth water chamber 6, and the first heating network pipeline outlet chamber 7 are located on the rear steam chamber 20.

[0032] The third water chamber 4 is located between the front steam chamber 19 and the rear steam chamber 20.

[0033] In this application, the second heating network pipeline inlet chamber 8, the ninth water chamber 9, and the tenth water chamber 10 are located on the front steam chamber 19, and the twelfth water chamber 12, the thirteenth water chamber 13, and the second heating network pipeline outlet chamber 14 are located on the rear steam chamber 20.

[0034] The eleventh water chamber 11 is located between the front steam chamber 19 and the rear steam chamber 20.

[0035] This application also includes an independently configured upper heat exchange system and a lower heat exchange system, which respectively cover the upper and lower parts of the front steam chamber 19 and the rear steam chamber 20.

[0036] In this application, the upper heat exchange system includes a first front half heat exchange tube bundle 15 and a first rear half heat exchange tube bundle 16 that are interconnected, and the front half heat exchange tube bundle 15 and the rear half heat exchange tube bundle 16 are respectively wound around the front steam chamber 19 and the rear steam chamber 20.

[0037] In this application, the lower heat exchange system includes a second front half heat exchange tube bundle 17 and a second rear half heat exchange tube bundle 18 that are interconnected, and the front half heat exchange tube bundle 17 and the rear half heat exchange tube bundle 18 are respectively wound around the front steam chamber 19 and the rear steam chamber 20.

[0038] In this application, the heat exchange tube bundles of both the upper and lower heat exchange systems are arranged in a vertically layered manner.

[0039] In this application, the front steam chamber 19 is provided with a first-stage heating steam inlet at the top and a front steam chamber hot well 21 at the bottom; the rear steam chamber 20 is provided with a second-stage heating steam inlet at the top and a rear steam chamber hot well 22 at the bottom.

[0040] The front hot well 21 is connected to the main unit exhaust device through the drain pipe 23, and the rear hot well 22 is connected to the front hot well through the U-shaped water seal pipe 24 and is equipped with an upper drain interface 25.

[0041] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A high back-pressure cascade heating integrated condenser for multi-heat network circulating water pipeline air-cooled units, characterized in that, include: Independently configured front steam chamber (19) and rear steam chamber (20), and independently configured upper water chamber system and lower water chamber system; The upper water chamber system covers the upper part of the front steam chamber (19) and the rear steam chamber (20) to form a three-stage reversal process structure; The lower water chamber system covers the lower part of the front steam chamber (19) and the rear steam chamber (20) to form a three-stage reversal process structure.

2. The condenser according to claim 1, characterized in that: The upper water chamber system includes a first heating network pipeline inlet chamber (1), a first water chamber (2), a second water chamber (3), a third water chamber (4), a fourth water chamber (5), a fifth water chamber (6), and a first heating network pipeline outlet chamber (7), which are connected in sequence.

3. The condenser according to claim 1, characterized in that: The lower water chamber system includes the second heating network pipeline inlet chamber (8), the ninth water chamber (9), the tenth water chamber (10), the eleventh water chamber (11), the twelfth water chamber (12), the thirteenth water chamber (13), and the second heating network pipeline outlet chamber (14), which are connected in sequence.

4. The condenser according to claim 2, characterized in that: The first heating network pipeline inlet chamber (1), the first water chamber (2), and the second water chamber (3) are located on the front steam chamber (19), and the fourth water chamber (5), the fifth water chamber (6), and the first heating network pipeline outlet chamber (7) are located on the rear steam chamber (20). The third water chamber (4) is located between the front steam chamber (19) and the rear steam chamber (20).

5. The condenser according to claim 2, characterized in that: The second heating network pipeline inlet chamber (8), the ninth water chamber (9), and the tenth water chamber (10) are located on the front steam chamber (19), and the twelfth water chamber (12), the thirteenth water chamber (13), and the second heating network pipeline outlet chamber (14) are located on the rear steam chamber (20). The eleventh water chamber (11) is located between the front steam chamber (19) and the rear steam chamber (20).

6. The condenser according to claim 1, characterized in that: It also includes an independently set upper heat exchange system and a lower heat exchange system, which respectively cover the upper and lower parts of the front steam chamber (19) and the rear steam chamber (20).

7. The condenser according to claim 6, characterized in that: The upper heat exchange system includes a first front half heat exchange tube bundle (15) and a first rear half heat exchange tube bundle (16) that are interconnected. The first front half heat exchange tube bundle (15) and the first rear half heat exchange tube bundle (16) are respectively wound around the front steam chamber (19) and the rear steam chamber (20).

8. The condenser according to claim 6, characterized in that: The lower heat exchange system includes a second front half heat exchange tube bundle (17) and a second rear half heat exchange tube bundle (18) that are interconnected. The second front half heat exchange tube bundle (17) and the second rear half heat exchange tube bundle (18) are respectively wound around the front steam chamber (19) and the rear steam chamber (20).

9. The condenser according to claim 6, characterized in that: The heat exchange tube bundles of both the upper and lower heat exchange systems are arranged in a vertical, layered manner.

10. The condenser according to claim 1, characterized in that: The front steam chamber (19) has a first-stage heating steam inlet at the top and a front steam chamber hot well (21) at the bottom; the rear steam chamber (20) has a second-stage heating steam inlet at the top and a rear steam chamber hot well (22) at the bottom. The front steam chamber hot well (21) is connected to the main unit exhaust device through a drain pipe (23), and the rear steam chamber hot well (22) is connected to the front hot well through a U-shaped water seal pipe (24) and is equipped with an upper drain interface (25).