CN212378527U

CN212378527U - Inner cover waste heat recovery device

Info

Publication number: CN212378527U
Application number: CN202020661891.6U
Authority: CN
Inventors: 陈豪
Original assignee: Wuxi Pengfeng Furnace Technology Co ltd
Current assignee: Wuxi Pengfeng Furnace Technology Co ltd
Priority date: 2020-04-27
Filing date: 2020-04-27
Publication date: 2021-01-19
Anticipated expiration: 2030-04-27

Abstract

The utility model discloses an inner cover waste heat recovery device, which comprises a box body and a reservoir, wherein the reservoir is arranged in the box body, the outer side of the reservoir is designed with an inner heat exchange wall which is fixedly connected, the outer side of the inner heat exchange wall is designed with an outer heat exchange wall which is fixedly connected, the utility model is designed with a special inner cover waste heat recovery device of a cover furnace, the inner heat exchange wall and the outer heat exchange wall which are matched with the inner heat exchange wall are designed according to the shape of the inner cover, the most commonly used water is used as an intermediate medium, the cost is low, the heat exchange effect is obvious, and the clean water carries out indirect heat exchange with the inner cover shell through the water of the heat exchange wall and the intermediate medium, thereby avoiding polluting impurities, ensuring the clean usability of the water after heat exchange, and not only furthest saving the occupied space of equipment but also effectively reducing the secondary leakage of heat in the reservoir by designing the reservoir in the inner cover, the waste heat recovery efficiency is improved.

Description

Inner cover waste heat recovery device

Technical Field

The utility model belongs to the technical field of bell-type furnace inner cover waste heat recovery equipment is relevant, concretely relates to inner cover waste heat recovery device.

Background

The bell-type furnace consists of three parts, including outer cover, inner cover and furnace platform, and the inner cover is used to separate the fume flowing space from the controllable atmosphere flowing space in which the workpiece is located. Meanwhile, the heat exchange surface is obtained in the heat transfer process, the final cooling temperature is 120-250 ℃ in the controllable atmosphere, 300-400 ℃ in the non-controllable atmosphere, and the final cooling temperature is higher, so that a large amount of waste heat is wasted.

The prior art has the following problems: most adopt and directly splash cold water the mode on the inner cover and cool off, when cold water and inner cover carry out heat exchange, also can have the impurity on the inner cover, can't directly utilize. Lack clean effectual waste heat recovery device, both caused the waste of a large amount of heat resources, be unfavorable for inner cover life's improvement again.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an inner cover waste heat recovery device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an inner cover waste heat recovery device, includes box and cistern, the inside of box is provided with the cistern, the outside design of cistern has fixed connection's interior heat transfer wall, the outside design of interior heat transfer wall has fixed connection's outer heat transfer wall, be provided with fixed connection inside and outside wall connecting pipe between interior heat transfer wall and the outer heat transfer wall bottom, fixed connection's inlet tube is installed in the left side of outer heat transfer wall, install fixed connection's sealing ring between inlet tube and the box, interior heat transfer wall has placed the inner cover casing between the wall middle part with changing heat outward, fixed connection's inner cover hoisting ring is installed at the top of inner cover casing, the inside dielectric water that is provided with of box, cistern bottom right side is provided with fixed connection's outlet pipe, swing joint's switch is installed to the right side tip of outlet pipe.

Preferably, the sealing ring is concave in the middle and is in interference fit with the water inlet pipe and the box body.

Preferably, the diameter of a pipeline communicated between the water storage tank and the inner heat exchange wall is smaller than that of the pipeline of the water inlet pipe and the pipeline of the water outlet pipe.

Preferably, the liquid level of the medium water when the inner cover shell is placed in the box body is slightly higher than the position of the hoisting ring of the inner cover.

Preferably, the height of the outer heat exchange wall is the same as the height of the inner heat exchange wall when the inner cover shell is placed in the box body.

Preferably, the gaps between the inner heat exchange wall and the inner housing and between the outer heat exchange wall and the inner housing are much smaller than the thickness of the tube walls of the inner heat exchange wall and the outer heat exchange wall.

Compared with the prior art, the utility model provides an inner cover waste heat recovery device possesses following beneficial effect:

the utility model discloses a design has special bell-type furnace inner cover waste heat recovery device, according to inner cover shape design have with it complex interior heat transfer wall and outer heat transfer wall, water with using most often as the intermediate medium, therefore, the carrier wave prepaid electric energy meter is low in cost, the heat transfer effect is showing, and clear water carries out indirect heat transfer with the inner cover casing through the water of heat transfer wall and intermediate medium, can not be infected with impurity, the clean usability of water after the heat transfer has been guaranteed, and inside the inner cover casing through designing the cistern, the occupation of land space of equipment has both been practiced thrift to furthest, thermal secondary leakage in the cistern has effectively been reduced again, waste heat recovery efficiency has been improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure A-A of the present invention;

in the figure: 1. hoisting rings of the inner cover; 2. an inner cover shell; 3. medium water; 4. an outer heat exchange wall; 5. an inner heat exchange wall; 6. a box body; 7. a reservoir; 8. an inner wall and an outer wall connecting pipe; 9. a water outlet pipe; 10. a seal ring; 11. A water inlet pipe; 12. and (4) switching.

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.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides an inner cover waste heat recovery device, including box 6 and cistern 7, the inside of box 6 is provided with cistern 7, the design in the outside of cistern 7 has fixed connection's interior heat transfer wall 5, the design in the outside of interior heat transfer wall 5 has fixed connection's outer heat transfer wall 4, be provided with fixed connection inside and outside wall connecting pipe 8 between interior heat transfer wall 5 and the outer heat transfer wall 4 bottom, fixed connection's inlet tube 11 is installed in the left side of outer heat transfer wall 4, install fixed connection's sealing ring 10 between inlet tube 11 and the box 6, interior heat transfer wall 5 and outer heat transfer wall 4 placed interior cover casing 2 between the middle part, fixed connection's inner cover hoisting ring 1 is installed at the top of inner cover casing 2, the inside dielectric water 3 that is provided with of

box

6, 7 bottom right sides of cistern are provided with fixed connection's outlet pipe 9, swing joint's switch 12 is installed to.

The sealing ring 10 is concave in the middle and is in interference fit with the water inlet pipe 11 and the box body 6, so that the leakage of the medium water 3 can be effectively prevented. The diameter of the pipeline communicated between the water storage tank 7 and the inner heat exchange wall 5 is smaller than that of the pipeline of the water inlet pipe 11 and the water outlet pipe 9, so that heat exchange can more completely enter the water storage tank 7. The liquid level of the medium water 3 when the inner cover shell 2 is placed in the box body 6 is slightly higher than the position of the inner cover hoisting ring 1, so that the medium water can completely surround the inner cover shell 2 and can prevent the medium water 3 from overflowing. The height of the outer heat exchange wall 4 is consistent with the height of the inner cover shell 2 when the inner cover shell is placed in the box body 6, so that the heat exchange is more complete. The gaps between the inner heat exchange wall 5 and the inner cover shell 2 and between the outer heat exchange wall 4 and the inner cover shell 2 are far smaller than the tube wall thicknesses of the inner heat exchange wall 5 and the outer heat exchange wall 4, so that heat exchange can be quicker, and the waste heat recovery efficiency is improved.

The utility model discloses a theory of operation and use flow: a certain amount of water serving as a heat exchange medium is injected into the box body 6 in advance, then the inner cover shell 2 is lifted through the inner cover lifting ring 1 and placed between the inner heat exchange wall 5 and the outer heat exchange wall 4, clean normal temperature water is injected through the water inlet pipe 11, the normal temperature water is gradually filled in the outer heat exchange wall 4, the inner wall and outer wall connecting pipes 8 and the inner heat exchange wall 5 under the action of water pressure, heat exchange is carried out between the medium water 3 and the inner cover shell 2 in the process and then flows into the water storage tank 7, the water source in the water storage tank can still obtain the heat preservation and heat increasing effects at the moment, when hot water is needed, the switch 12 is turned on, the hot water in the water storage tank 7 can be discharged through the water outlet pipe 9, and after heat exchange is finished, the shell 2 is lifted out through the inner cover lifting ring 1.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an inner cover waste heat recovery device, includes box (6) and cistern (7), its characterized in that: the inside of box (6) is provided with cistern (7), the outside design of cistern (7) has fixed connection's interior heat transfer wall (5), the outside design of interior heat transfer wall (5) has fixed connection's outer heat transfer wall (4), be provided with fixed connection inside and outside wall connecting pipe (8) between interior heat transfer wall (5) and outer heat transfer wall (4) bottom, fixed connection's inlet tube (11) is installed in the left side of outer heat transfer wall (4), install fixed connection's sealing ring (10) between inlet tube (11) and box (6), interior heat transfer wall (5) and outer heat transfer wall (4) middle part between placed inner shield casing (2), fixed connection's inner cover hoisting ring (1) is installed at the top of inner shield casing (2), box (6) inside is provided with medium water (3), cistern (7) bottom right side is provided with fixed connection's outlet pipe (9), the right end part of the water outlet pipe (9) is provided with a movably connected switch (12).

2. The inner cover waste heat recovery device of claim 1, wherein: the sealing ring (10) is concave in the middle and is in interference fit with the water inlet pipe (11) and the box body (6).

3. The inner cover waste heat recovery device of claim 1, wherein: the diameter of a pipeline communicated between the water storage tank (7) and the inner heat exchange wall (5) is smaller than that of a pipeline of the water inlet pipe (11) and the water outlet pipe (9).

4. The inner cover waste heat recovery device of claim 1, wherein: the liquid level of the medium water (3) is slightly higher than the position of the inner cover hoisting ring (1) when the inner cover shell (2) is placed in the box body (6).

5. The inner cover waste heat recovery device of claim 1, wherein: the height of the outer heat exchange wall (4) is consistent with the height of the inner cover shell (2) when the inner cover shell is placed in the box body (6).

6. The inner cover waste heat recovery device of claim 1, wherein: the gaps between the inner heat exchange wall (5) and the inner cover shell (2) and between the outer heat exchange wall (4) and the inner cover shell (2) are far smaller than the pipe wall thickness of the inner heat exchange wall (5) and the outer heat exchange wall (4).