CN216790928U

CN216790928U - Rectangular heat exchanger

Info

Publication number: CN216790928U
Application number: CN202123307063.6U
Authority: CN
Inventors: 潘永芳; 李振
Original assignee: Jiangsu Hanwei Heat Exchange Technology Co ltd
Current assignee: Shanghai Kansa Refrigeration Equipment Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-06-21
Anticipated expiration: 2031-12-27

Abstract

The utility model relates to the technical field of heat exchangers, in particular to a rectangular heat exchanger. The technical scheme comprises the following steps: the frame, the inside centre of frame is fixed with the coil pipe, the cover is equipped with the copper sheet on the coil pipe, one side of the inside front end of frame is fixed with first gas box, the opposite side of the inside front end of frame is fixed with second gas box, be fixed with first gas-supply pipe between first gas box and the second gas box, one side of the inside rear end of frame is fixed with third gas box, the opposite side of the inside rear end of frame is fixed with fourth gas box, be fixed with the second gas-supply pipe between third gas box and the fourth gas box, two sections are fixed with the baffle respectively around the frame, two the relative one side of baffle is fixed with the rock wool board respectively. The copper sheet is quickly transferred to the coil pipe to heat water flowing in the coil pipe, and the heat exchange efficiency is improved.

Description

Rectangular heat exchanger

Technical Field

The utility model relates to the technical field of heat exchangers, in particular to a rectangular heat exchanger.

Background

The heat exchanger is a device for transferring part of heat of hot fluid to cold fluid, and is also called a heat exchanger. The heat exchanger plays an important role in chemical industry, petroleum industry, power industry, food industry and other industrial production, can be used as a heater, a cooler, a condenser, an evaporator, a reboiler and the like in chemical industry production, and is widely applied.

When the rectangular heat exchanger is used, pipelines at the front end and the rear end of the frame have partial heat which is radiated outwards to cause heat loss when high-temperature gas is introduced, and when water in the coil pipe exchanges heat with the high-temperature gas, heat transfer is slow, so that the heat exchange efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a rectangular heat exchanger to solve the above problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: a rectangular heat exchanger comprises a frame, a rock wool board and a copper sheet, wherein a coil pipe is fixed in the middle of the inside of the frame, the copper sheet is sleeved on the coil pipe, a water inlet pipe is fixed below one side of the frame, a water outlet pipe is fixed above one side of the frame, a first air box is fixed on one side of the front end of the inside of the frame, a second air box is fixed on the other side of the front end of the inside of the frame, a first air pipe is fixed between the first air box and the second air box, a first air inlet pipe is fixed below the front end of the other side of the frame, a first air outlet pipe is fixed above the front end of the other side of the frame, a third air box is fixed on one side of the rear end of the inside of the frame, a fourth air box is fixed on the other side of the rear end of the inside of the frame, a second air pipe is fixed between the third air box and the fourth air box, a second air inlet pipe is fixed below the rear end of the other side of the frame, a second air outlet pipe is fixed above the rear end of the other side of the frame, baffle plates are respectively fixed to the front section and the rear section of the frame, and rock wool plates are respectively fixed to one opposite sides of the two baffle plates.

Preferably, a through hole matched with the coil pipe is formed in the middle of the copper sheet, and the coil pipe penetrates through the through hole.

Preferably, the water inlet pipe is connected with the water inlet end below one side of the coil pipe, and the water outlet pipe is connected with the water outlet end above one side of the coil pipe.

Preferably, the first air box, the first air conveying pipe and the second air box are communicated in sequence, and the first air inlet pipe and the first air outlet pipe are communicated with the first air box respectively.

Preferably, the third gas box, the second gas pipe and the fourth gas box are communicated in sequence, and the second gas pipe and the second gas outlet pipe are communicated with the third gas box respectively.

Preferably, the first air conveying pipe and the second air conveying pipe are respectively contacted with the front end and the rear end of the copper sheet.

Compared with the prior art, the utility model has the beneficial effects that: the copper sheet is sleeved on the coil pipe, the front end and the rear end of the copper sheet are respectively contacted with the first air conveying pipe and the second air conveying pipe, heat dissipated outwards from high-temperature gas flowing through the first air conveying pipe and the second air conveying pipe is rapidly transmitted to the coil pipe through the copper sheet to heat water flowing in the coil pipe, and heat exchange efficiency is improved.

Both ends difference fixed stop around the frame, the rock wool board is fixed respectively to two relative one sides of baffle, and two rock wool boards are facing to first gas-supply pipe and second gas-supply pipe respectively, and the heat of following the outside loss of first gas-supply pipe and second gas-supply pipe is blocked by the rock wool board, and the rock wool board has good heat-proof effect to reduce thermal loss.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a right side cross-sectional view of the connection of the present invention;

FIG. 3 is a schematic view of the copper sheet distribution of the present invention;

FIG. 4 is a schematic view of the frame in front cross-section of the connection structure of the present invention;

fig. 5 is a schematic view of the connection structure in the frame in the top view.

In the figure: 1. a frame; 2. a baffle plate; 3. a water inlet pipe; 4. a water outlet pipe; 5. a first air outlet pipe; 6. a first intake pipe; 7. rock wool boards; 8. a first gas delivery pipe; 9. a coil pipe; 10. a copper sheet; 11. a second gas delivery pipe; 12. a third gas box; 13. a fourth gas box; 14. a second air outlet pipe; 15. a second intake pipe; 16. a first gas box; 17. a second gas box.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1 to 5, an embodiment of the present invention includes: a rectangular heat exchanger comprises a frame 1 and copper sheets 10, wherein a coil pipe 9 is fixed in the middle of the inside of the frame 1, a water inlet pipe 3 is connected with a water inlet end below one side of the coil pipe 9, and a water outlet pipe 4 is connected with a water outlet end above one side of the coil pipe 9. The coil pipe 9 is sleeved with a copper sheet 10, a through hole matched with the coil pipe 9 is formed in the middle of the copper sheet 10, and the coil pipe 9 penetrates through the through hole. Water flows into the coil pipe 9 from the water inlet pipe 3, and the water flows out from the water outlet pipe 4 after heat exchange through the coil pipe 9.

The inlet tube 3 is fixed with in 1 one side below of frame, 1 one side top of frame is fixed with outlet pipe 4, one side of the inside front end of frame 1 is fixed with first gas box 16, the opposite side of the inside front end of frame 1 is fixed with second gas box 17, be fixed with first gas-supply pipe 8 between first gas box 16 and the second gas box 17, first gas box 16, first gas-supply pipe 8 and second gas box 17 communicate in proper order, 1 opposite side front end below of frame is fixed with

first intake pipe

6, 1 opposite side front end top of frame is fixed with first outlet duct 5, first intake pipe 6 and first outlet duct 5 communicate with first gas box 16 respectively.

One side of the inside rear end of frame 1 is fixed with third gas box 12, the opposite side of the inside rear end of frame 1 is fixed with fourth gas box 13, be fixed with second gas-supply pipe 11 between third gas box 12 and the fourth gas box 13, third gas box 12, second gas-supply pipe 11 and fourth gas box 13 communicate in proper order, frame 1 opposite side rear end below is fixed with second intake pipe 15, frame 1 opposite side rear end top is fixed with second outlet duct 14, second intake pipe 15 and second outlet duct 14 communicate with third gas box 12 respectively. The first air inlet pipe 6 and the second air inlet pipe 15 are used for ventilating high-temperature gas, the high-temperature gas enters the first air box 16 and the third air box 12 respectively, the high-temperature gas passes through the first air inlet pipe 8 and the second air inlet pipe 11, a partition plate is fixed in the middle of the inner portions of the first air box 16 and the third air box 12, the high-temperature gas flows along the four first air inlet pipes 8 and the second air inlet pipes 11 below the frame 1, and the high-temperature gas flows into the first air box 16 and the inner upper portions of the third air box 12 along the four first air inlet pipes 8 and the second air inlet pipes 11 above the frame 1 respectively through the second air box 17 and the fourth air box 13 and is discharged from the first air outlet pipe 5 and the second air outlet pipe 14 respectively. The first air pipe 8 and the second air pipe 11 are respectively contacted with the front end and the rear end of the copper sheet 10. The heat that outwards gived off from the high temperature gas of first air-supply pipe 8 and the circulation of second air-supply pipe 11 is transmitted coil pipe 9 department through copper sheet 10 fast and is heated the water that flows in the coil pipe 9, improves heat exchange efficiency.

Example 2

Referring to fig. 1 and fig. 2, an embodiment of the present invention: the utility model provides a rectangle heat exchanger, includes frame 1, and two sections front and back of frame 1 are fixed with baffle 2 respectively, and two baffle 2 opposite sides are fixed with rock wool board 7 respectively. Two rock wool boards 7 are respectively opposite to first gas-supply pipe 8 and second gas-supply pipe 11, and the heat that outwards escapes from first gas-supply pipe 8 and second gas-supply pipe 11 is blocked by rock wool board 7, and rock wool board 7 has good heat-proof effect to reduce thermal loss.

The working principle is as follows: the first air inlet pipe 6 and the second air inlet pipe 15 are used for ventilating high-temperature gas, the partition plates are fixed in the middle of the inner portions of the first air box 16 and the third air box 12, the high-temperature gas flows along the four first air inlet pipes 8 and the second air inlet pipes 11 below the frame 1, and the high-temperature gas flows into the first air box 16 and the inner upper portion of the third air box 12 along the four first air inlet pipes 8 and the second air inlet pipes 11 above the frame 1 through the second air box 17 and the fourth air box 13 respectively and is discharged from the first air outlet pipe 5 and the second air outlet pipe 14 respectively. Water flows into the coil pipe 9 from the water inlet pipe 3, and the water flows out from the water outlet pipe 4 after heat exchange through the coil pipe 9.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a rectangle heat exchanger, includes frame (1), rock wool board (7) and copper sheet (10), its characterized in that: a coil pipe (9) is fixed in the middle of the inside of the frame (1), a copper sheet (10) is sleeved on the coil pipe (9), a water inlet pipe (3) is fixed below one side of the frame (1), a water outlet pipe (4) is fixed above one side of the frame (1), a first air box (16) is fixed on one side of the front end of the inside of the frame (1), a second air box (17) is fixed on the other side of the front end of the inside of the frame (1), a first air pipe (8) is fixed between the first air box (16) and the second air box (17), a first air inlet pipe (6) is fixed below the front end of the other side of the frame (1), a first air outlet pipe (5) is fixed above the front end of the other side of the frame (1), a third air box (12) is fixed on one side of the rear end of the inside of the frame (1), a fourth air box (13) is fixed on the other side of the rear end of the inside of the frame (1), be fixed with second gas-supply pipe (11) between third gas box (12) and fourth gas box (13), frame (1) opposite side rear end below is fixed with second intake pipe (15), frame (1) opposite side rear end top is fixed with second outlet duct (14), two sections are fixed with baffle (2), two respectively around frame (1) baffle (2) relative one side is fixed with rock wool board (7) respectively.

2. The rectangular heat exchanger of claim 1, wherein: a through hole matched with the coil pipe (9) is formed in the middle of the copper sheet (10), and the coil pipe (9) penetrates through the through hole.

3. The rectangular heat exchanger of claim 1, wherein: the water inlet pipe (3) is connected with the water inlet end below one side of the coil pipe (9), and the water outlet pipe (4) is connected with the water outlet end above one side of the coil pipe (9).

4. The rectangular heat exchanger of claim 1, wherein: the first air box (16), the first air conveying pipe (8) and the second air box (17) are communicated in sequence, and the first air inlet pipe (6) and the first air outlet pipe (5) are communicated with the first air box (16) respectively.

5. The rectangular heat exchanger of claim 1, wherein: the third air box (12), the second air conveying pipe (11) and the fourth air box (13) are communicated in sequence, and the second air inlet pipe (15) and the second air outlet pipe (14) are communicated with the third air box (12) respectively.

6. The rectangular heat exchanger of claim 1, wherein: the first air conveying pipe (8) and the second air conveying pipe (11) are respectively contacted with the front end and the rear end of the copper sheet (10).