High-temperature plate type gas-gas heat exchanger

By designing a special light tube and guide plate to guide the flow of high-temperature gas in the high-temperature plate gas-to-gas heat exchanger, combined with the rotational nature of the roller, the problems of large deformation and short life of high-temperature plates are solved, achieving efficient and stable operation of the equipment and reducing costs.

CN223783430UActive Publication Date: 2026-01-09JIANGSU BOQINI ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Application Number
CN202422609536.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-28
Publication Date
2026-01-09
Estimated Expiration
2034-10-28

AI Technical Summary

Technical Problem

Existing high-temperature plate gas-to-gas heat exchangers are expensive, large in size, and prone to plate deformation when used in the 600-850℃ range, resulting in a short service life.

Method used

In a high-temperature plate gas-to-gas heat exchanger, a specially designed smooth tube is installed to guide the flow of high-temperature gas. Combined with the design of the guide plate and roller, the gas flow is guided by the rotation of the roller, reducing the direct impact force on the plate, and the ball bearings enable flexible rotation, improving the uniformity of flow.

Benefits of technology

It extends the service life of the heat exchange plates, promotes the efficient, stable and economical operation of the heat exchange system, and reduces equipment costs and floor space.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223783430U_ABST
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Abstract

The utility model discloses a high-temperature plate type gas-gas heat exchanger which comprises a main frame A. A cold side outlet is formed in the upper end of the main frame A. A hot side inlet is formed in the left end of the main frame A. The hot side inlet passes through a clamping groove in the inner wall, and a roller is installed in the hot side inlet. A plurality of clamping grooves are formed in the upper portion of the roller, a plurality of balls are connected to the inner portions of the clamping grooves in a sleeved mode, a fixing plate is fixed to the outer wall of the roller, and a flow guide plate is fixed to the inner portion of the hot side inlet. The light pipes are mainly used for guiding the flowing direction of high-temperature gas and reducing direct impact force of the high-temperature gas on the plate sheets, so that damage caused by the high-temperature effect of the gas is effectively prevented, the service life of the plate sheets is prolonged, and efficient, stable and economical operation of the whole heat exchange system is promoted.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to high temperature plate type gas gas heat exchanger related technical field, specifically related to a high temperature plate type gas gas heat exchanger. BACKGROUND

[0002] High temperature plate type gas gas heat exchanger is a kind of efficient heat exchange equipment, it is mainly used to realize heat transfer between gas under high temperature environment, it is composed of multiple parallel metal plates, narrow channel is formed between these plates, so that hot gas exchanges heat with cold gas in the flowing process, due to its compact structure, high heat transfer efficiency, small footprint, widely used in chemical industry, metallurgy, energy and other industries, especially suitable for the occasion needing to recover waste gas heat or improve energy efficiency.

[0003] For the working condition temperature in the range of 600-850 DEG C, before using tubular heat exchanger, cost is high, size is big, using high temperature plate type gas gas heat exchanger, can reduce cost and size, since the sheet of heat exchange element is relatively thin, in the use process, sheet deformation is relatively big, leading to relatively short service life. INVENTION CONTENTS

[0004] The utility model discloses a kind of high temperature plate type gas gas heat exchangers, to solve the problem that the above background technology proposes for the working condition temperature in the range of 600-850 DEG C, before using tubular heat exchanger, cost is high, size is big, using high temperature plate type gas gas heat exchanger, can reduce cost and size, since the sheet of heat exchange element is relatively thin, in the use process, sheet deformation is relatively big, leading to relatively short service life.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of high temperature plate type gas gas heat exchanger, including main frame A, the upper end position of the main frame A is provided with cold side outlet, the left end position of the main frame A is provided with hot side import, the hot side import is passed through the clamping groove of inner wall position, is installed in the inside position of the hot side import with roller, the roller is fixed in clamping groove with rotating shaft of left and right two end positions, the inside position of the clamping groove is sleeved with a plurality of ball, the outer wall position of the roller is fixed with fixed plate, the inside position of the hot side import is fixed with flow guide plate.

[0006] Preferably, the inner side position of the hot side import is installed with corrugated plate, the inner side end surface position of the hot side import is installed with a plurality of pull rods.

[0007] Preferably, the other end position of the corrugated plate is installed with main frame B.

[0008] Preferably, the upper end position of the main frame B is provided with cold side import, and the front end position of the main frame B is provided with hot side outlet.

[0009] Preferably, the hot side inlet allows high-temperature gas to enter at an inner position of the main frame A, and the cold side inlet allows cold side gas to enter at an inner position.

[0010] Preferably, the hot side outlet allows hot gas with reduced temperature after heat exchange to flow out of the heat exchanger, and the cold side outlet allows cold gas with increased temperature after heat exchange to flow out of the heat exchanger.

[0011] Preferably, the flow guide plate guides the high-temperature gas entering the hot side inlet to flow to upper and lower sides, and the fixed plate causes the roller to rotate after being contacted by the flowing gas.

[0012] Preferably, the roller rotates around a rotation axis, and the rotation axis is clamped at an inner position of the clamping groove to rotate.

[0013] Compared with the prior art, the high-temperature plate-type gas-gas heat exchanger has the following beneficial effects:

[0014] 1. The device is provided with 2 to 3 special light pipes at the plate inlet to prevent high-temperature gas from directly blowing on the metal plate, the light pipes mainly guide the flowing direction of the high-temperature gas and reduce the direct impact force on the plate, thereby effectively preventing damage caused by the high-temperature effect of the gas, which not only prolongs the service life of the plate but also promotes efficient, stable and economic operation of the entire heat exchange system.

[0015] 2. The device is fixed with a flow guide plate at an inner position of the hot side inlet, the flow guide plate guides the flowing gas to flow to upper and lower positions, the flowing gas causes the roller to rotate when passing through the fixed plate, the roller rotates around a rotation axis, the rotation axis is clamped in the clamping groove and rotates flexibly through the ball, the fixed plate guides the gas flow through the rotatability of the roller, reduces the dead zone and improves the flow uniformity. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the high-temperature plate-type gas-gas heat exchanger of the utility model.

[0017] Figure 2 It is a top view structural schematic view of the high-temperature plate-type gas-gas heat exchanger of the utility model.

[0018] Figure 3 It is a sectional view structural schematic view of the hot side inlet of the high-temperature plate-type gas-gas heat exchanger of the utility model.

[0019] Figure 4 It is a structural schematic view of the rotation axis of the high-temperature plate-type gas-gas heat exchanger of the utility model.

[0020] In the figure: 1, main frame A; 2, hot side inlet; 3, cold side outlet; 4, corrugated plate; 5, pull rod; 6, cold side inlet; 7, main frame B; 8, hot side outlet; 9, guide plate; 10, fixed plate; 11, rotating shaft; 12, roller; 13, ball; 14, clamping groove. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] The utility model provides a kind of high-temperature plate type gas-gas heat exchanger as Figures 1-4 As shown in a kind of high-temperature plate type gas-gas heat exchanger, including main frame A1, the upper end position of main frame A1 is provided with cold side outlet 3, the left end position of main frame A1 is provided with hot side inlet 2, hot side inlet 2 is clamped in the clamping groove 14 in the inner wall position, is installed with roller 12 in the inner position of hot side inlet 2, roller 12 is clamped in the clamping groove 14 by being fixed in the rotating shaft 11 of left and right two end positions, the inner position of clamping groove 14 is sleeved with a plurality of balls 13, the outer wall position of roller 12 is fixed with fixed plate 10, the inner position of hot side inlet 2 is fixed with guide plate 9.

[0023] High-temperature gas flows into heat exchanger from hot side inlet 2, in this stage, gas is guided to enter the flow channel of heat exchanger, while, cold side gas enters heat exchanger from cold side inlet 6, hot gas and cold gas carry out heat exchange on the surface of corrugated plate 4 in heat exchanger, hot gas transfers heat by corrugated plate 4, then heat is transferred to flowing cold gas, after heat exchange, the temperature of cold side gas is improved, at this time, the temperature of cold gas that rises flows out of heat exchanger by cold side outlet 3, this part of gas takes away heat, enhances the overall energy efficiency of heat exchanger, in the process of heat exchange, the temperature of hot gas is reduced, becomes relatively cold, after heat exchange, the temperature of hot gas that reduces flows out of heat exchanger by hot side outlet 8, completes circulation.

[0024] As Figure 3 And Figure 4As shown, the corrugated plate 4 is installed at the inner side position of the hot side inlet 2, a plurality of pull rods 5 are installed at the inner end surface position of the hot side inlet 2, the main frame B7 is installed at the other end position of the corrugated plate 4, the cold side inlet 6 is arranged at the upper end position of the main frame B7, the hot side outlet 8 is arranged at the front end position of the main frame B7, the hot side inlet 2 makes the high-temperature gas enter the inside position of the main frame A1, the cold side inlet 6 makes the cold side gas enter the inside position, the hot side outlet 8 makes the hot gas with reduced temperature after heat exchange flow out of the heat exchanger, the cold side outlet 3 makes the cold gas with increased temperature after heat exchange flow out of the heat exchanger, the guide plate 9 guides the high-temperature gas entering the hot side inlet 2 to flow to the upper and lower sides, the fixed plate 10 makes the roller 12 rotate after being contacted with the flowing gas, the roller 12 rotates with the rotating shaft 11 as the center axis, and the rotating shaft 11 is clamped in the inside position of the clamping groove 14 to rotate.

[0025] The guide plate 9 is fixed at the inside position of the hot side inlet 2, the guide plate 9 guides the entering gas to flow to the upper and lower side positions, the flowing gas makes the roller 12 rotate when passing through the fixed plate 10, the roller 12 rotates with the rotating shaft 11 as the center axis, the rotating shaft 11 is clamped in the clamping groove 14 and rotates flexibly through the ball 13, the fixed plate 10 guides the gas flow through the rotatability of the roller 12, and the dead zone is reduced.

[0026] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for the person skilled in the art, it still can be modified to the technical solutions recorded in the foregoing embodiments, or equivalent replacement of some of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A high temperature plate gas-gas heat exchanger, characterized in that Including the main frame A (1), the upper end position of the main frame A (1) is provided with a cold side outlet (3), the left end position of the main frame A (1) is provided with a hot side inlet (2), the hot side inlet (2) is through the clamping groove (14) in the inner wall position, the roller (12) is installed at the inner position of the hot side inlet (2), the roller (12) is clamped in the clamping groove (14) with the rotating shaft (11) fixed at the left and right end positions, a plurality of ball bearings (13) are sleeved in the inner position of the clamping groove (14), the outer wall position of the roller (12) is fixed with a fixed plate (10), and the inner position of the hot side inlet (2) is fixed with a guide plate (9).

2. A high temperature plate gas-gas heater according to claim 1, characterized in that: The inner side position of the hot side inlet (2) is provided with a corrugated plate (4), and the inner side end face position of the hot side inlet (2) is provided with a plurality of pull rods (5).

3. A high temperature plate gas-gas heater according to claim 2, characterized in that: The other end position of the corrugated plate (4) is provided with a main frame B (7).

4. A high temperature plate gas-gas heater according to claim 3, characterised in that: The upper end position of the main frame B (7) is provided with a cold side inlet (6), and the front end position of the main frame B (7) is provided with a hot side outlet (8).

5. A high temperature plate gas-gas heater according to claim 4, characterised in that: The hot side inlet (2) makes high temperature gas enter the inner position of the main frame A (1), and the cold side inlet (6) makes cold side gas enter the inner position.

6. A high temperature plate gas-gas heater according to claim 5, characterised in that: The hot side outlet (8) makes the hot gas with reduced temperature after heat exchange flow out of the heat exchanger, and the cold side outlet (3) makes the cold gas with increased temperature after heat exchange flow out of the heat exchanger.

7. A high temperature plate gas-gas heater according to claim 1, characterized in that: The guide plate (9) guides the high temperature gas entering the hot side inlet (2) to flow up and down, and the fixed plate (10) makes the roller (12) rotate after contacting with the flowing gas.

8. A high temperature plate gas-gas heater according to claim 7, characterised in that: The roller (12) rotates with the rotating shaft (11) as the center axis, and the rotating shaft (11) is clamped in the inner position of the clamping groove (14) to rotate.