CN216668361U

CN216668361U - Water-cooling dust excluding hood device

Info

Publication number: CN216668361U
Application number: CN202123427355.3U
Authority: CN
Inventors: 李亚平; 唐俊; 曾志刚; 冉顶立; 衡红
Original assignee: Sichuan Desheng Group Vanadium Titanium Co Ltd
Current assignee: Sichuan Desheng Group Vanadium Titanium Co Ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-06-03
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a water-cooling dust hood device, which comprises a heat exchange hood formed by enclosing a plurality of heat exchange tubes, a sealing steel plate arranged at the top of the heat exchange hood, and a refractory mud plate arranged on the inner side of the sealing steel plate; the inner side of each heat exchange tube is provided with a bearing strip connected between adjacent heat exchange tubes; a plurality of water supply loops are arranged in the heat exchange cover, each water supply loop is provided with a water inlet and a water return port, all the inlet water is connected to the water supply loops through the water inlets respectively through a water inlet converging pipe, and the return water of all the water supply loops is communicated to a return water converging pipe through the water return ports. The water-cooling dust hood device is provided with a plurality of heat exchange tubes and water supply loops which are arranged side by side, and each water supply loop is not connected with other water supply loops in water path circulation, so that the water-cooling dust hood device is divided into a plurality of independent heat exchange cycles.

Description

Water-cooling dust excluding hood device

Technical Field

The utility model relates to the field of water cooling devices, in particular to a water-cooling dust hood device.

Background

In the technological process of molten iron pretreatment blowing desulfurization, a large amount of flue gas can be generated in the desulfurization production process, and the heat of the large amount of flue gas is a high-quality heat source which can be recycled. However, in the recycling process, because the air flow is sufficient, the recycling heat is large, the common water cooling device needs to be close to the common water cooling device for better recycling the heat, but the close distance can cause large deformation of a steel plate of the water cooling device, and the water cooling device is easily damaged after being used for a period of time, so that the normal use is affected.

SUMMERY OF THE UTILITY MODEL

The utility model provides a water-cooling dust hood device which is provided with a plurality of sections of water supply loops for carrying out quick heat exchange in order to overcome the defects in the prior art.

In order to achieve the purpose, the utility model adopts the following scheme:

a water-cooling dust hood device comprises a heat exchange hood formed by enclosing a plurality of heat exchange tubes, a sealing steel plate arranged at the top of the heat exchange hood, and a refractory mud plate arranged on the inner side of the sealing steel plate; the inner side of each heat exchange tube is provided with a bearing strip connected between adjacent heat exchange tubes; a plurality of water supply loops are arranged in the heat exchange cover, each water supply loop is provided with a water inlet and a water return port, all the inlet water is connected to the water supply loops through the water inlets respectively through a water inlet converging pipe, and the return water of all the water supply loops is communicated to a return water converging pipe through the water return ports.

The heat exchange cover is enclosed to form the heat exchange cover with the left side and the right side symmetrical, and all the water supply loops are all set to be equal in loop length so as to facilitate the balance of the water supply pressure. The steel sealing plate is preferably arranged to cover the top of the heat exchange housing and completely seal the top of the heat exchange housing to prevent excessive flow of air. The inner side of the sealing steel plate is provided with a fireproof mud plate which can resist heat and prevent fire, and the deformation of the sealing steel plate caused by overhigh heat is prevented. The bearing strip is arranged on the inner side or the outer side of the heat exchange tube, and is preferably arranged on the inner side, so that the bearing strength is increased.

The utility model also provides the following optimization scheme:

preferably, the heat exchange cover is enclosed into a circle or an arc. The heat exchange cover preferably encloses the desulfurization port. The heat exchange cover is preferably arranged to form a circular shape, so that the heat exchange cover of the heat exchange cover can be realized in all directions.

Preferably, the steel sealing plate covers the top of the heat exchange cover. The sealing steel plate is preferably arranged in a circular sheet shape. The seal steel plate is preferably disposed to coincide with a position immediately above the desulfurization port.

Preferably, the steel sealing plate is provided with a lower gun hole. The lower gun hole is arranged at the center of the steel sealing plate and is a circular hole.

Preferably, the lower gun hole is provided at the center. The lower gun hole arranged in the center of the steel sealing plate is arranged in the center of the shape enclosed by the heat exchange cover.

Preferably, a heat-resistant layer is arranged on the outer side of the heat exchange cover. The heat resistant layer preferably entirely encloses the annular outer side of the heat exchanger jacket.

Preferably, the heat-resistant layer is a fibrous felt layer.

Preferably, a lifting lug is arranged at the top of the heat exchange cover. The lifting lugs on the top of the heat exchange hood are preferably arranged at equal distances on the heat exchange hood, and are more preferably arranged in pairs.

Preferably, the edge of the steel sealing plate is provided with a heat insulation pad. The heat insulation pad is preferably arranged to surround the outermost side of the steel sealing plate in a ring shape.

Preferably, the steel sealing plate is provided with an air outlet.

The water-cooling dust hood device has the following beneficial effects:

1. the water-cooling dust hood device is provided with a plurality of heat exchange tubes and water supply loops which are arranged side by side, and each water supply loop is not connected with other water supply loops in waterway circulation, so that a plurality of independent heat exchange cycles are divided;

2. the water-cooling dust hood device is provided with the steel sealing plate, so that the rigidity of the heat exchange hood is enhanced, and the heat exchange hood is firmer;

3. the water-cooling dust hood device is provided with the force bearing strips, so that the fixation degree of the heat exchange hood is increased, and the deformation possibility of the heat exchange hood is reduced.

Drawings

FIG. 1 is a front view of a water-cooled dust excluding hood apparatus of the present invention;

FIG. 2 is an enlarged view of FIG. 1A;

FIG. 3 is a top view of the water-cooled dust excluding hood apparatus of the present invention;

FIG. 4 is a side view of the water cooled dust excluding hood apparatus of the present invention;

FIG. 5 is an enlarged view at B of FIG. 4;

FIG. 6 is an expanded view of the heat exchange shroud of the present invention;

FIG. 7 is a structural view of the water intake manifold of the present invention;

the specific reference numbers are:

1, a heat exchange cover; 2, sealing a steel plate; 3 refractory clay plates; 4, a force bearing strip; 5, a heat-resistant layer; 6, lifting lugs; 7 a heat insulation pad; 11 heat exchange tubes; 12 a water supply circuit; 13 a water inlet; 14 water return port; 15 water inlet converging pipe; 16 return water converging pipes; 21, setting a gun hole; 22 air outlet holes.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the specific embodiments.

As shown in fig. 1-7, the water-cooled dust hood apparatus of the present invention comprises a heat exchange hood 1 surrounded by a plurality of heat exchange tubes 11, a sealing steel plate 2 disposed on the top of the heat exchange hood 1, and a refractory mud plate 3 disposed on the inner side of the sealing steel plate 2; the inner sides of the heat exchange tubes 11 are provided with bearing strips 4 which are connected between the adjacent heat exchange tubes 11; a plurality of water supply loops 12 are arranged in the heat exchange cover 1, each water supply loop 12 is provided with a water inlet 13 and a water return port 14, all the inlet water is connected to the water supply loops 12 through a water inlet converging pipe 15 respectively through the water inlets 13, and the return water of all the water supply loops 12 is communicated to a return water converging pipe 16 through the water return ports 14.

As shown in fig. 6, the heat exchange cover 1 encloses the heat exchange cover 1 with symmetrical left and right sides, and all the water supply loops 12 are set to have equal loop length, so as to facilitate the pressure equalization of the water supply. The sealing steel plate 2 is preferably arranged to cover the top of the heat exchanger housing 1 and completely close the top of the heat exchanger housing 1 to prevent excessive flow of the air. The inner side of the sealing steel plate 2 is provided with a fireproof mud plate 3 which can resist heat and prevent fire, and the deformation of the sealing steel plate 2 caused by overhigh heat is prevented. The force bearing strip 4 is arranged on the inner side or the outer side of the heat exchange tube 11, preferably on the inner side, so that the pressure bearing degree is increased. The water supply loop 12 is provided in multiple sections, each section is a water supply loop 12 with equal length, the inlet water is shunted and conveyed to a plurality of water supply loops 12 from a water inlet converging pipe 15, the inlet water is conveyed to a water return port 14 in the water supply loops 12, and then is connected to a water return converging pipe 16 through the water return port 14 to complete the whole conveying process of water supply. The force bearing strips 4 are preferably arranged in a triangular support shape, and the arrangement can bear larger force to reinforce the heat exchange cover 1. The lengths of the pipelines for conveying the inlet water to the water supply loop 12 through the inlet water converging pipe 15 are different, and the lengths of the pipelines for returning the water to the return water converging pipe 16 are also different. Preferably, the water inlet and water return collecting pipe 15 and the water return collecting pipe 16 are arranged in the same vertical direction, so that the water inlet and water return can be recycled, that is, the water flowing out of the water return collecting pipe 16 can be directly added into the water inlet and water return collecting pipe 15 after heat exchange.

As shown in fig. 1, the heat exchange cover 1 encloses a circle or an arc for high efficiency of heat exchange. The heat exchange cover 1 preferably encloses the desulfurization port. The heat exchange cover 1 is preferably arranged to form a circular shape, so that the heat exchange cover of the heat exchange cover 1 can be realized in all directions. The heat exchange cover 1 is preferably arranged to form a complete circle, so that heat exchange is facilitated, and heat can be conveniently sealed to exchange heat in a large range.

The steel sealing plate 2 is covered on the top of the heat exchange cover 1 so as not to dissipate too much heat. The sealing steel plate 2 is preferably provided in a circular sheet shape. The steel-sealing plate 2 is preferably disposed so as to coincide with the position immediately above the desulfurization port. The steel sealing plate 2 is preferably arranged to cover the top of the heat exchange housing 1 in a full circle.

In order to complete some technological operations of the desulfurization ports, the steel sealing plate 2 is provided with a lower gun hole 21. The lower gun hole 21 is arranged at the center of the steel sealing plate 2 and is a circular hole. The lower lance opening 21 is preferably circular and is arranged in the center of the ring enclosed by the heat exchanger jacket 1.

The lower gun hole 21 is provided at the center for convenience of operation. The lower gun hole 21 arranged at the center of the steel sealing plate 2 is arranged at the center of the shape enclosed by the heat exchange cover 1.

In order not to cause danger in the case of excessive heat, the heat exchanger jacket 1 is provided with a heat-resistant layer 5 on the outside. The heat resistant layer 5 preferably entirely encloses the annular outer side of the heat exchanger jacket 1. Preferably, the heat-resistant layer 5 is a fiber felt layer or other heat-resistant material.

In order to facilitate the replacement of the heat exchange cover 1, a lifting lug 6 is arranged at the top of the heat exchange cover 1. The lifting lugs 6 on the top of the heat exchanger housing 1 are preferably arranged at equidistant positions on the heat exchanger housing 1, more preferably in pairs.

The edge of the steel sealing plate 2 is provided with a heat insulation pad 7. The heat insulating mat 7 is preferably arranged annularly around the outermost side of the steel enclosing plate 2.

The steel sealing plate 2 is provided with an air outlet 22. The air outlet 22 on the steel sealing plate 2 can be a circular hole or a rectangular hole. Preferably, a plurality of air outlet holes 22 are provided, and the plurality of air outlet holes 22 are arranged along the same circumferential direction of the steel sealing plate 2.

Examples

As shown in fig. 1-7, the water-cooled dust excluding hood device of the embodiment includes a heat exchanging hood 1 surrounded by a plurality of heat exchanging pipes 11, a sealing steel plate 2 arranged on the top of the heat exchanging hood 1, and a refractory mud plate 3 arranged on the inner side of the sealing steel plate 2; the inner sides of the heat exchange tubes 11 are provided with bearing strips 4 which are connected between the adjacent heat exchange tubes 11; a plurality of water supply loops 12 are arranged in the heat exchange cover 1, each water supply loop 12 is provided with a water inlet 13 and a water return port 14, all inlet water is connected to the water supply loops 12 through a water inlet converging pipe 15 through the water inlets 13, and return water of all the water supply loops 12 is communicated to a return water converging pipe 16 through the water return ports 14. The heat exchange cover 1 is enclosed into a circle or an arc. The steel sealing plate 2 covers the top of the heat exchange cover 1. The steel sealing plate 2 is provided with a lower gun hole 21. The lower gun hole 21 is provided at the center. And a heat-resistant layer 5 is arranged on the outer side of the heat exchange cover 1. The heat-resistant layer 5 is a fiber felt layer. The top of the heat exchange cover 1 is provided with a lifting lug 6. The edge of the steel sealing plate 2 is provided with a heat insulation pad 7. The sealing steel plate 2 is provided with an air outlet 22.

The use method of the water-cooling dust hood device in the embodiment comprises the following steps:

enclose heat transfer cover 1 earlier and close on the position of desulfurization mouth, heat transfer cover 1 encloses synthetic circular lid and closes on the desulfurization mouth to will seal steel sheet 2 lid and close at heat transfer cover 1 top. Then the water flows into the multi-stage water supply loop 12 directly from the water inlet collecting pipe 15, flows out from the water return port 14 after flowing in the water supply loop 12, and flows into the water return collecting pipe 16 through the water return port 14 to complete the circulation of the heat exchange water.

The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the utility model, and these modifications and adaptations should be considered within the scope of the utility model.

Claims

1. The utility model provides a water-cooling dust excluding hood device which characterized in that: the heat exchanger comprises a heat exchange cover formed by enclosing a plurality of heat exchange tubes, a sealing steel plate arranged at the top of the heat exchange cover, and a refractory mud plate arranged at the inner side of the sealing steel plate; the inner side of each heat exchange tube is provided with a bearing strip connected between adjacent heat exchange tubes; a plurality of water supply loops are arranged in the heat exchange cover, each water supply loop is provided with a water inlet and a water return port, all the inlet water is connected to the water supply loops through the water inlets respectively through a water inlet converging pipe, and the return water of all the water supply loops is communicated to a return water converging pipe through the water return ports.

2. The water-cooled dust excluding hood apparatus as set forth in claim 1, wherein: the heat exchange cover is enclosed into a circle or an arc.

3. The water-cooled dust excluding hood apparatus as set forth in claim 1, wherein: the steel sealing plate covers the top of the heat exchange cover.

4. The water-cooled dust excluding hood apparatus as set forth in claim 1, wherein: and a lower gun hole is formed in the steel sealing plate.

5. The water-cooled dust excluding hood apparatus as set forth in claim 4, wherein: the lower gun hole is arranged at the center.

6. The water-cooled dust excluding hood apparatus as set forth in claim 1, wherein: and a heat-resistant layer is arranged on the outer side of the heat exchange cover.

7. The water-cooled dust excluding hood apparatus as set forth in claim 6, wherein: the heat-resistant layer is a fiber felt layer.

8. The water-cooled dust excluding hood apparatus as set forth in claim 1, wherein: the top of the heat exchange cover is provided with a lifting lug.

9. The water-cooled dust excluding hood apparatus as set forth in claim 1, wherein: and the edge of the sealing steel plate is provided with a heat insulation pad.

10. The water-cooled dust excluding hood apparatus as set forth in claim 1, wherein: and the sealing steel plate is provided with an air outlet.