CN217541561U

CN217541561U - Heat exchanger for recycling high-efficiency waste heat of flue gas

Info

Publication number: CN217541561U
Application number: CN202220927570.5U
Authority: CN
Inventors: 于会强; 张士明; 李葆华
Original assignee: Shandong Xinhao Chemical Co ltd
Current assignee: Shandong Xinhao Chemical Co ltd
Priority date: 2022-04-21
Filing date: 2022-04-21
Publication date: 2022-10-04
Anticipated expiration: 2032-04-21

Abstract

The utility model discloses a heat exchanger for high-efficiency waste heat recovery and utilization of flue gas. The top and bottom outer diameter positions of the front end of the pipe are all slidably connected with branch pipes, the outer diameter and rear end positions of the branch pipes are all penetrating and fixedly connected with a first flange, and the other end positions of the six lateral branches at the bottom are all penetrating and fixedly connected with Intake pipe. In the utility model, the waste hot gas generated in the production process of the enterprise enters the cylinder body from the air inlet, and through the design of the baffle plate, the circulation time of the flue gas in the cylinder body is prolonged, and the cold water enters the row pipe from the water inlet pipe through the branch pipe. The tubes surrounded by the fin wall can accelerate the absorption of gas temperature and achieve the purpose of heating cold water, so as to use hot water to meet the heating requirements, promote energy saving and consumption reduction of enterprises, and improve the recovery rate of waste heat.

Description

Heat exchanger for recycling high-efficiency waste heat of flue gas

Technical Field

The utility model relates to a heat exchanger technical field especially relates to a high-efficient waste heat recovery of flue gas utilizes heat exchanger.

Background

Heat exchangers (also known as heat exchangers or heat exchange devices) are devices used to transfer heat from a hot fluid to a cold fluid to meet specified process requirements, and are an industrial application of convective and conductive heat transfer. Heat exchangers can be classified in different ways. The operation process can be divided into three categories of dividing wall type, mixed type and heat accumulating type (or called regenerative type); the surface can be classified into a compact type and a non-compact type according to the degree of compactness of the surface.

Chinese patent document 202121810594.4 discloses a heat exchanger, including the heat exchange tube, the heat exchange tube seals the setting for both ends, the heat exchange tube on be equipped with inlet and liquid outlet, still include the conveyer pipe, the conveyer pipe set up the inside of heat exchange tube, the conveyer pipe sets up along the axial of heat exchange tube, the both ends of conveyer pipe run through the both ends setting of heat exchange tube respectively, still include the fixed disk, the fixed disk set up respectively at the both ends of heat exchange tube, be equipped with on the fixed disk with duct connection's through-hole, the conveyer pipe be equipped with a plurality ofly, a plurality of conveyer pipes are separated each other and are set up, the fixed disk set up at the axial of heat exchange tube and heat exchange tube interval, the fixed disk pass through splice bar and heat exchange tube fixed connection, the edge of fixed disk be equipped with fixed connection hole. The device that this patent provided lacks the baffle structure at the practical application in-process, and the heat exchange process is shorter, and waste heat recovery rate is lower, and energy saving and consumption reduction effect is not obvious, and the device that this patent provided simultaneously, sealed effect is not good.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a heat exchanger for recycling the high-efficiency waste heat of flue gas.

In order to realize the purpose, the utility model adopts the following technical scheme: the utility model provides a high-efficient waste heat recovery of flue gas utilizes's heat exchanger, includes the barrel, six tubulations of fixedly connected with evenly distributed are all run through to barrel front end top and bottom position, three baffling board of barrel top inner wall position fixedly connected with evenly distributed, two baffling boards of barrel bottom inner wall position fixedly connected with evenly distributed, six the equal sliding connection in tubulation front end top and bottom external diameter position has the branch pipe, branch pipe external diameter rear end position all runs through and the first ring flange of fixedly connected with, and the top is horizontal six branch pipe other end position all runs through and fixedly connected with outlet pipe, the bottom is horizontal six branch pipe other end position all runs through and fixedly connected with inlet tube.

As a further description of the above technical solution:

the barrel left side position fixedly connected with gas outlet, outlet pipe external diameter left side position runs through and fixedly connected with second ring flange.

As a further description of the above technical solution:

the barrel right side position fixedly connected with air inlet, the inlet tube external diameter right side position runs through and fixedly connected with second ring flange.

As a further description of the above technical solution:

the bottom of the outer wall of the barrel is fixedly connected with a fixed support.

As a further description of the above technical solution:

six the tubulation external diameter all runs through and fixedly connected with the surrounding finned wall that is densely covered.

As a further description of the above technical solution:

baffle plates are arranged between every two adjacent tubes.

As a further description of the above technical solution:

and the middle position of the inner wall of the branch pipe penetrates through and is fixedly connected with a sealing gasket, and the sealing gasket is in close contact with the tube array.

As a further description of the above technical solution:

the first flange plate and the cylinder body are fixed through bolts, a cavity is arranged in the cylinder body, and the tubes and the baffle plates are located on the cavity.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, at first the waste steam that produces in the enterprise's production process gets into the barrel from the air inlet, through the design of baffling board, prolongs the circulation time of flue gas in the barrel, and cold water passes through the branch pipe from the inlet tube and gets into the tubulation, has the tubulation that encircles the wing wall and can accelerate the absorbed gas temperature, reaches the purpose to the cold water heating to utilize hot water to reach the heating requirement, promote energy saving and consumption reduction of enterprise, promote waste heat recovery rate.

2. The utility model discloses in, at the inside seal ring that is provided with of branch pipe, with the port mutual sliding sleeve of branch pipe and tubulation together for seal ring contacts with the tubulation, then uses the bolt to contact more closely with tubulation contact through the hole and the anchor of first ring flange on the barrel, makes, seal ring and tubulation contact, hoisting device's sealing performance greatly.

Drawings

Fig. 1 is a perspective view of a heat exchanger for recycling flue gas waste heat efficiently provided by the utility model;

fig. 2 is a structural view of the inside of the cylinder of the heat exchanger for recycling the flue gas waste heat with high efficiency;

fig. 3 is a tube nest structure diagram of the heat exchanger for recycling the high-efficiency waste heat of the flue gas provided by the utility model;

fig. 4 is the internal structure diagram of the branch pipe of the heat exchanger for recycling the high-efficiency waste heat of the flue gas provided by the utility model.

Illustration of the drawings:

1. an air inlet; 2. a barrel; 3. a first flange plate; 4. an air outlet; 5. a water outlet pipe; 6. a water inlet pipe; 7. a bolt; 8. a fixed bracket; 9. a branch pipe; 10. a second flange plate; 11. a cavity; 12. arranging pipes; 13. a baffle plate; 14. encircling the wing wall; 15. a gasket is provided.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides a heat exchanger that high-efficient waste heat recovery of flue gas utilized, the novel heat exchanger comprises a

cylindrical shel

2, 2 front end tops of barrel and bottom position all run through and six shell and tube 12 of fixedly connected with evenly distributed, 2 top inner wall position fixedly connected with evenly distributed's three baffling board 13 of barrel, 2 bottom inner wall position fixedly connected with evenly distributed's two baffling boards 13 of barrel, six shell and tube 12 front end tops and the equal sliding connection in bottom external diameter position have branch pipe 9, branch pipe 9 external diameter rear end position all runs through and the first ring flange 3 of fixedly connected with, the horizontal six branch pipe 9 other end positions in top all run through and fixedly connected with outlet pipe 5, the horizontal six branch pipe 9 other end positions in bottom all run through and fixedly connected with inlet tube 6, the useless steam that produces in the enterprise's production process gets into barrel 2 from air inlet 1, design through baffling board 13, the circulation time of extension flue gas is in barrel 2, cold water gets into shell and tube 12 through branch pipe 9 from inlet tube 6, shell and tube 12 with surrounding finned wall 14 can accelerate the gas temperature absorption, reach the mesh of heating, thereby utilize hot water to reach the heating requirement, promote energy saving and consumption reduction of enterprise, the waste heat recovery rate of enterprise.

The left side position fixedly connected with gas outlet 4 of

barrel

2, 5 external diameter left side positions of outlet pipe run through and fixedly connected with

second ring flange

10, 2 right side position fixedly connected with air inlet 1 of barrel, 6 external diameter right side positions of inlet tube run through and fixedly connected with

second ring flange

10, 2 outer wall bottom position fixedly connected with fixed bolster 8 of barrel, six pipe 12 external diameters all run through and fixedly connected with densely covered encircle wing wall 14, all be provided with baffling board 13 between the

adjacent pipe

12, 9 inner wall intermediate positions of branch pipe run through and fixedly connected with seal ring 15 and pipe 12 between the in close contact with, it is fixed through bolt 7 between first ring flange 3 and the barrel 2, barrel 2 is inside to be provided with cavity 11 and pipe 12 and baffle 13 and all is located cavity 11, be provided with seal ring 15 inside branch pipe 9, slide the cover is in the same place each other with the port of pipe 12 for seal ring 15 and pipe 12 to contact, then use bolt 7 to pass through the hole of first ring flange 3 and anchor on barrel 2, make seal ring 15 and pipe 12 contact inseparabler, promote the sealing performance of device greatly.

The working principle is as follows: waste hot gas generated in the production process of an enterprise enters the barrel body 2 from the air inlet 1, the circulation time of the smoke in the barrel body 2 is prolonged through the design of the baffle plate 13, cold water enters the tube array 12 from the water inlet pipe 6 through the branch pipe 9, the tube array 12 with the surrounding fin wall 14 can accelerate the temperature of absorbed gas, and the purpose of heating the cold water is achieved, so that the heating requirement is met by utilizing hot water, the energy conservation and consumption reduction of the enterprise are promoted, and the waste heat recovery rate is improved, the sealing washer 15 is arranged inside the branch pipe 9, the branch pipe 9 and the end port of the tube array 12 are mutually sleeved in a sliding mode, the sealing washer 15 is in contact with the tube array 12, then the bolt 7 is used for being anchored on the barrel body 2 through the hole of the first flange plate 3, the sealing washer 15 is in contact with the tube array 12 more tightly, and the sealing performance of the device is greatly improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions on some technical features, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a high-efficient waste heat recovery of flue gas utilizes heat exchanger, includes barrel (2), its characterized in that: barrel (2) front end top and bottom position all run through six tubulation (12) of fixedly connected with evenly distributed, barrel (2) top inner wall position fixedly connected with evenly distributed's three baffling board (13), two baffling boards (13) of barrel (2) bottom inner wall position fixedly connected with evenly distributed, six tubulation (12) front end top and the equal sliding connection in bottom external diameter position have branch pipe (9), branch pipe (9) external diameter rear end position all runs through and fixedly connected with first ring flange (3), the top is horizontal six branch pipe (9) other end position all runs through and fixedly connected with outlet pipe (5), the bottom is horizontal six branch pipe (9) other end position all runs through and fixedly connected with inlet tube (6).

2. The heat exchanger for recycling the waste heat of the flue gas as claimed in claim 1, wherein: the barrel (2) left side position fixedly connected with gas outlet (4), outlet pipe (5) external diameter left side position runs through and fixedly connected with second ring flange (10).

3. The heat exchanger for recycling the waste heat of the flue gas as claimed in claim 1, wherein: the water inlet pipe is characterized in that an air inlet (1) is fixedly connected to the right side of the barrel body (2), and a second flange plate (10) penetrates through and is fixedly connected to the right side of the outer diameter of the water inlet pipe (6).

4. The heat exchanger for recycling the waste heat of the flue gas as recited in claim 1, wherein: the bottom of the outer wall of the barrel body (2) is fixedly connected with a fixed support (8).

5. The heat exchanger for recycling the waste heat of the flue gas as claimed in claim 1, wherein: the six tubes (12) penetrate through the outer diameter and are fixedly connected with densely distributed surrounding finned walls (14).

6. The heat exchanger for recycling the waste heat of the flue gas as claimed in claim 1, wherein: baffle plates (13) are arranged between every two adjacent tubes (12).

7. The heat exchanger for recycling the waste heat of the flue gas as claimed in claim 1, wherein: the middle position of the inner wall of the branch pipe (9) penetrates through and is fixedly connected with a sealing gasket (15), and the sealing gasket (15) is tightly contacted with the tube array (12).

8. The heat exchanger for recycling the waste heat of the flue gas as recited in claim 1, wherein: the first flange plate (3) and the barrel body (2) are fixed through bolts (7), a cavity (11) is arranged in the barrel body (2), and the tubes (12) and the baffle plates (13) are located on the cavity (11).