Vacuum condensation heat exchanger

Abstract

The utility model provides a vacuum condensation heat exchanger, which belongs to the technical field of heat exchangers, and comprises a base, a shell detachably mounted at the top end of the base and provided with a water inlet at the bottom end of one side of the shell, a filtering structure arranged between the water inlet and the shell, second partition plates mounted on two sides in the shell, and a water inlet arranged at the bottom end of one side of the shell, the flow guide structure comprises a connecting base fixed to one side of the second partition plate, a rotating assembly arranged in the mounting base and a flow guide piece arranged on the outer side of the rotating assembly. According to the heat exchanger, liquid is pushed by the drainage pieces to form rotational flow, so that the liquid spirally flows in the heat exchange tube, and meanwhile, the inside of the heat exchange tube is cleaned by the brush, so that the liquid guide function of the heat exchanger is realized, the liquid spirally flows in the heat exchange tube conveniently, the retention time of the liquid in the heat exchange tube is prolonged, and the flowing path of the liquid in the heat exchange tube is increased; therefore, the heat exchange efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat exchanger technical field, concretely relates to a vacuum condensing heat exchanger. BACKGROUND

[0002] Vacuum condensing heat exchanger is a kind of equipment combined vacuum technology and condensing heat exchange, make fluid evaporate or condense at lower temperature, to greatly improve heat exchange efficiency, also reduce the interference of incondensable gas, keep the cleaning and high efficiency of heat exchange surface, widely used in chemical industry, refrigeration, aerospace and other fields.

[0003] The prior device still has the following shortcomings: the liquid stays in the heat exchange pipe for too short a time, as the liquid directly passes through the heat exchange pipe during use, resulting in insufficient contact time between the liquid and the heat exchange pipe wall, and insufficient heat exchange, which greatly reduces the heat exchange efficiency. UTILITY MODEL CONTENTS

[0004] The utility model provides a kind of vacuum condensing heat exchanger to solve the problems raised in the above background technology.

[0005] To solve the above technical problems, the technical scheme of the utility model is as follows:

[0006] The embodiment of the utility model provides a kind of vacuum condensing heat exchanger, including base, further comprising:

[0007] The shell is detachably mounted at the top end of the base, and heat dissipation holes are formed in the two sides of the shell;

[0008] The shell is fixed to one side of the top end of the base, and an air inlet pipe is mounted on one side of the top end of the shell, an air outlet pipe is mounted on the other side of the top end of the shell, a drainage pipe is mounted on the top end of the shell, and a first partition is fixed to one side of the inside of the shell;

[0009] The water outlet is fixed to the top end of one side of the shell, and a water inlet is provided at the bottom end of one side of the shell;

[0010] The filter structure is arranged between the water inlet and the shell, and is used for filtering the liquid entering the shell;

[0011] The second partition is installed on both sides of the inside of the shell, and a heat exchange pipe is inserted into the inside of the second partition, guide vanes are fixed to the outside of the heat exchange pipe, and a third partition is fixed to the middle segment position of the heat exchange pipe;

[0012] The flow guide structure is arranged in the inside of the heat exchange pipe, wherein the flow guide structure comprises a connecting seat fixed to one side of the second partition, a mounting seat threadedly connected to one side of the connecting seat, a rotating assembly arranged in the inside of the mounting seat and a drainage sheet arranged on the outside of the rotating assembly;

[0013] A vacuum pump is fixed to the other side of the top end of the base.

[0014] By the above technical scheme, the vacuum pump continuously pumps the inside of the shell to form a vacuum environment, and then the high-temperature gas contacts the outer wall of the heat exchange pipe to release heat, and the guide plate and the third partition plate prolong the flow path and residence time of the gas, the cold water flows into the heat exchange pipe from the water inlet and absorbs heat, and the hot water is discharged through the water outlet.

[0015] Further, the rotating assembly includes a rotating shaft connected to the mounting seat inside and connected to the drainage sheet, a limiting block threadedly connected to both ends of the rotating shaft, and a brush fixed to the outside of the drainage sheet.

[0016] By the above technical scheme, the drainage sheet pushes the liquid to form a spiral flow, and the brush cleans the inner wall of the heat exchange pipe.

[0017] Further, the brush is provided with a plurality of groups on the outside of the drainage sheet, and the plurality of groups of the brush are distributed at equal intervals on the outside of the drainage sheet.

[0018] By the above technical scheme, the brush can clean the inner wall of the heat exchange pipe in all directions without dead angle when the drainage sheet rotates, effectively removing the attached matter, ensuring the cleanliness of the inner wall of the heat exchange pipe, and improving the heat exchange efficiency.

[0019] Further, the drainage sheet is in a spiral structure, and the drainage sheet and the rotating shaft are in a welded integrated structure.

[0020] By the above technical scheme, the drainage sheet can guide the spiral flow of the liquid, prolong the residence time of the liquid in the heat exchange pipe, and enhance the heat exchange effect.

[0021] Further, the filter structure includes a connecting pipe fixed to the bottom end of one side of the shell, a tank body installed on one side of the connecting pipe and connected to the water inlet, a cover threadedly connected to the bottom end of the tank body, a mounting bracket detachably installed at the top end inside the cover, and a filter cage fixed to the top end of the mounting bracket.

[0022] By the above technical scheme, the filter cage intercepts the solid particles passing through the tank body, and the cover is detachable to facilitate periodic disassembly of the mounting bracket and replacement of the filter cage.

[0023] Further, the tank body is connected to the shell through the connecting pipe, and the filter cage has a funnel-shaped inclined surface structure in a top view cross section.

[0024] By the above technical scheme, the funnel-shaped inclined surface increases the surface area of the filter cage to facilitate efficient interception of impurities by the filter cage.

[0025] The above scheme of the utility model at least has the following beneficial effects:

[0026] 1. This utility model uses a guide plate to push the liquid to form a swirling flow, causing the liquid to flow in a spiral shape inside the heat exchange tube. At the same time, a brush cleans the inside of the heat exchange tube, thereby realizing the liquid guiding function of this device, facilitating the spiral flow of the liquid inside the heat exchange tube, increasing the residence time and flow path of the liquid in the heat exchange tube, and thus improving the heat exchange efficiency.

[0027] 2. This utility model uses a filter cage to intercept solid particles passing through the tank. The cover can be removed to facilitate the replacement or cleaning of the filter cage, thereby realizing the liquid filtration function of this device. The filtration can effectively remove solid particles and impurities from the liquid, prevent them from depositing and scaling in the heat exchange tubes, and ensure the long-term stable operation of the heat exchange system. Attached Figure Description

[0028] Figure 1 This is one of the structural schematic diagrams of this utility model;

[0029] Figure 2 This is the second schematic diagram of the structure of this utility model;

[0030] Figure 3 This is the third schematic diagram of the structure of this utility model;

[0031] Figure 4 Provided by this utility model Figure 3 Enlarged cross-sectional view of point A in the middle section;

[0032] Figure 5 A three-dimensional cross-sectional structural diagram of the filter structure provided by this utility model;

[0033] Figure 6 This is a three-dimensional structural diagram of the heat exchange tube provided by this utility model.

[0034] Explanation of reference numerals in the attached figures:

[0035] 1. Base; 2. Outer shell; 3. Heat dissipation holes; 4. Air inlet pipe; 5. Flow guiding structure; 501. Flow guide plate; 502. Rotating shaft; 503. Brush; 504. Mounting base; 505. Limiting block; 506. Connecting base; 6. Shell; 7. Filter structure; 701. Tank body; 702. Filter cage; 703. Connecting pipe; 704. Mounting bracket; 705. Cover; 8. Water inlet; 9. Water outlet; 10. Vacuum pump; 11. Exhaust pipe; 12. Flow guide pipe; 13. Heat exchange tube; 14. First partition; 15. Second partition; 16. Flow guide plate; 17. Third partition. Detailed Implementation

[0036] Exemplary embodiments of the present application will be described herein below with reference to the accompanying drawings. While exemplary embodiments of the present application are illustrated, it is to be understood that the application is not limited to the embodiments described herein, but can be practiced with variations that will be apparent to those skilled in the art. Rather, the purpose of the embodiments is to convey the substance of the application, and to fully disclose the scope of the application to those skilled in the art.

[0037] As shown in Figures 1 to 6 the embodiment of the present application provides a vacuum condensation heat exchanger, comprising a base 1, further comprising:

[0038] The shell 2 is detachably installed at the top end of the base 1, and the two sides of the shell 2 are provided with heat dissipation holes 3;

[0039] The shell 6 is fixed at one side of the top end of the base 1, and the air inlet pipe 4 is installed at one side of the top end of the shell 6, the air outlet pipe 11 is installed at the other side of the top end of the shell 6, the drainage pipe 12 is installed at the top end of the shell 6, and the first partition plate 14 is fixed at one side of the inside of the shell 6;

[0040] The water outlet 9 is fixed at the top end of one side of the shell 6, and the water inlet 8 is arranged at the bottom end of one side of the shell 6;

[0041] The filter structure 7 is arranged between the water inlet 8 and the shell 6, and is used for filtering the liquid entering the shell 6;

[0042] The second partition plate 15 is installed at both sides of the inside of the shell 6, and the heat exchange pipe 13 is inserted into the inside of the second partition plate 15, the outer side of the heat exchange pipe 13 is fixed with the flow guide plate 16, and the third partition plate 17 is fixed at the middle segment position of the heat exchange pipe 13;

[0043] The flow guide structure 5 is arranged in the inside of the heat exchange pipe 13, wherein the flow guide structure 5 comprises a connecting seat 506 fixed at one side of the second partition plate 15, a mounting seat 504 threadedly connected at one side of the connecting seat 506, a rotating assembly arranged in the inside of the mounting seat 504, and a drainage sheet 501 arranged at the outer side of the rotating assembly;

[0044] The vacuum pump 10 is fixed at the other side of the top end of the base 1.

[0045] In the embodiment of the present application, the vacuum pump 10 continuously pumps the inside of the shell 6 through the air outlet pipe 11 to form a vacuum environment, the high-temperature gas enters the shell 6 through the air inlet pipe 4 and contacts the outer wall of the heat exchange pipe 13 to release heat, at the same time, the serpentine flow channel formed by the flow guide plate 16 and the third partition plate 17 guides the gas to prolong the flow path and increase the residence time, and then the cooling gas is discharged by the vacuum pump 10 through the air outlet pipe 11, and the cold water flows into the heat exchange pipe 13 to absorb heat after flowing into the water inlet 8, and the hot water is discharged through the water outlet 9.

[0046] As Figure 4 shown, the rotating assembly includes a rotating shaft 502 connected to the mounting seat 504 inside and connected with the drainage sheet 501, a limiting block 505 threaded on both ends of the rotating shaft 502, and a brush 503 fixed outside the drainage sheet 501, the brush 503 is provided with several groups outside the drainage sheet 501, the several groups of brushes 503 are distributed at equal intervals outside the drainage sheet 501, the drainage sheet 501 is in a spiral structure, and the drainage sheet 501 and the rotating shaft 502 are in a welded integrated structure.

[0047] In the embodiment of the utility model, through the drainage sheet 501 is driven by water flow impact to rotate the rotating shaft 502, the spiral drainage sheet 501 is used to push the liquid to form a spiral flow, the liquid is in the spiral flow in the heat exchange pipe 13, and the brush 503 rotates with the rotating shaft 502 and is attached to the inner wall of the heat exchange pipe 13 and moves, the inside of the heat exchange pipe 13 is cleaned, and the mounting seat 504 fixes the axial position of the rotating shaft 502, so that the dynamic flow guiding and self-cleaning functions of the device are realized.

[0048] As Figure 5 shown, the filter structure 7 includes a connecting pipe 703 fixed at the bottom end of one side of the shell 6, a tank 701 mounted on one side of the connecting pipe 703 and connected with the water inlet 8, a cover 705 threaded on the bottom end of the tank 701, a mounting frame 704 detachably mounted on the top end inside the cover 705 and a filter cage 702 fixed on the top end of the mounting frame 704, the tank 701 is communicated with the shell 6 through the connecting pipe 703, and the filter cage 702 is in a funnel-shaped inclined surface structure in the top view cross section.

[0049] In the embodiment of the utility model, the liquid is introduced into the tank 701 through the water inlet 8, and after the solid particles passing through the tank 701 are intercepted by the filter cage 702, the clean liquid flows into the shell 6 through the connecting pipe 703, and the cover 705 is rotated and detached, so that the mounting frame 704 is periodically detached and the filter cage 702 is replaced.

[0050] The above is the preferred embodiment of the utility model, and it should be pointed out that for ordinary skilled persons in the technical field, without departing from the principle of the utility model, a number of improvements and refinements can be made, and these improvements and refinements should be regarded as the protection scope of the utility model.

Claims

1. A vacuum condensing heat exchanger comprising a base (1), characterized in that, Also include: The shell (2) is detachably mounted at the top end of the base (1), and both sides of the shell (2) are provided with heat dissipation holes (3); The shell (6) is fixed on one side of the top end of the base (1), and the air inlet pipe (4) is installed on one side of the top end of the shell (6), the air outlet pipe (11) is installed on the other side of the top end of the shell (6), the drainage pipe (12) is installed on the top end of the shell (6), and the first partition (14) is fixed on one side of the inside of the shell (6); The water outlet (9) is fixed at the top end of one side of the shell (6), and the water inlet (8) is arranged at the bottom end of one side of the shell (6); The filter structure (7) is arranged between the water inlet (8) and the shell (6), and is used for filtering the liquid entering the shell (6); The second partition (15) is installed on both sides of the inside of the shell (6), and the heat exchange pipe (13) is inserted into the inside of the second partition (15), the outside of the heat exchange pipe (13) is fixed with the guide plate (16), and the third partition (17) is fixed at the middle position of the heat exchange pipe (13); The guide structure (5) is arranged in the inside of the heat exchange pipe (13), wherein the guide structure (5) comprises a connecting seat (506) fixed on one side of the second partition (15), a mounting seat (504) threadedly connected on one side of the connecting seat (506), a rotating assembly arranged in the inside of the mounting seat (504), and a drainage sheet (501) arranged on the outside of the rotating assembly; The vacuum pump (10) is fixed on the other side of the top end of the base (1).

2. A vacuum condensing heat exchanger according to claim 1, wherein The rotating assembly comprises a rotating shaft (502) rotatably connected in the inside of the mounting seat (504) and connected with the drainage sheet (501), a limiting block (505) threadedly connected on both ends of the rotating shaft (502), and a brush (503) fixed on the outside of the drainage sheet (501).

3. A vacuum condensing heat exchanger according to claim 2, wherein The brush (503) is arranged in several groups on the outside of the drainage sheet (501), and the several groups of the brush (503) are distributed at equal intervals on the outside of the drainage sheet (501).

4. A vacuum condensing heat exchanger according to claim 2, wherein The drainage sheet (501) is in a spiral structure, and the drainage sheet (501) and the rotating shaft (502) are in a welded integrated structure.

5. A vacuum condensing heat exchanger according to claim 1, wherein The filter structure (7) comprises a connecting pipe (703) fixed on one side of the bottom end of the shell (6), a tank body (701) installed on one side of the connecting pipe (703) and connected with the water inlet (8), a cover (705) threadedly connected on the bottom end of the tank body (701), a mounting bracket (704) detachably installed on the top end of the inside of the cover (705), and a filter cage (702) fixed on the top end of the mounting bracket (704).

6. A vacuum condensing heat exchanger according to claim 5, wherein The tank body (701) is connected with the shell (6) through the connecting pipe (703), and the filter cage (702) is in a funnel-shaped inclined surface structure in plan view.

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