CN221593526U

CN221593526U - Explosion-proof flue of refining furnace

Info

Publication number: CN221593526U
Application number: CN202420068695.6U
Authority: CN
Inventors: 张俊杰; 燕慧龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2024-01-11
Filing date: 2024-01-11
Publication date: 2024-08-23
Anticipated expiration: 2034-01-11

Abstract

The utility model discloses an explosion-proof flue of a refining furnace, which comprises a flue body, wherein four heat recovery plates which are mutually clung are arranged on the inner wall of the flue body, the tail ends of connecting pipes are connected, a water inlet pipe is arranged on the bottom surface of the flue body in a surrounding manner, the water inlet pipe is communicated with water inlet positions of connecting pipes at the bottom ends of the interiors of the four heat recovery plates, a water outlet pipe is arranged on the top surface of the flue body in a surrounding manner, the water outlet pipe is communicated with water outlet positions of connecting pipes at the top ends of the interiors of the four heat recovery plates, the top of the flue body is connected with an inclined pipeline, and the bottom side surfaces of the inclined pipeline are connected with uniformly distributed auxiliary pipelines. According to the utility model, the smoke flowing through the inside of the flue body is cooled by the water of the connecting pipe, so that the explosion generated when the high-temperature smoke is discharged is avoided, dust and particles carried by the smoke can be filtered when the smoke passes through the inclined pipeline, the filtering device can be automatically cleaned, the filtering performance of the flue is kept, and the cleaned water can be recycled.

Description

Explosion-proof flue of refining furnace

Technical Field

The utility model relates to the field of flues, in particular to an explosion-proof flue of a refining furnace.

Background

The flue needs to bear the high temperature carried by the flue gas exhausted by the blast furnace, the high temperature emission is likely to be exploded, and a large amount of dust and impurities can be generated in the smelting process of the flue in the emission process, so that the air quality can be influenced, and some accumulated ash is inflammable and even explodes.

Disclosure of utility model

The utility model aims to solve the problems and provide an explosion-proof flue of a refining furnace.

In order to solve the technical problems, the utility model provides the following technical scheme:

The utility model relates to an explosion-proof flue of a refining furnace, which comprises a flue body, wherein four heat energy recovery plates which are mutually clung are arranged on the inner wall of the flue body, the center of each heat energy recovery plate is hollow, uniformly distributed supporting blocks are arranged in the heat energy recovery plates, the inside of each heat energy recovery plate is divided into independent installation chambers by the supporting blocks, connecting pipes are arranged in the installation chambers, the tail parts of the connecting pipes are connected, a water inlet pipe is arranged around the bottom surface of the flue body, the water inlet pipe is communicated with water inlet positions of connecting pipes at the bottom ends of the inside of the four heat energy recovery plates, a water outlet pipe is arranged around the top surface of the flue body, the water outlet pipe is communicated with water outlet positions of connecting pipes at the top ends of the inside of the four heat energy recovery plates, the top of the flue body is connected with inclined pipelines, uniformly distributed auxiliary pipelines are connected to the bottom side surfaces of the inclined pipelines, the auxiliary pipelines penetrate through the inside the inclined pipelines, uniformly distributed inclined filter plates are arranged on the top surfaces of the inclined pipelines, and the inclined filter plates are opposite to the tops of the auxiliary pipelines.

As an optimized technical scheme of the explosion-proof flue of the refining furnace, the bottom of the auxiliary pipeline is connected with the diversion pipe together, one side of the flue body is provided with the recovery tank, and the recovery tank is connected with the diversion pipe.

As a preferred technical scheme of the explosion-proof flue of the refining furnace, the filter mesh number of the inclined filter plates is arranged from small to large, a cleaning pipe is arranged on the inner top side surface of the inclined pipeline, high-pressure spray heads which are uniformly distributed are connected to the bottom of the cleaning pipe, and the high-pressure spray heads are opposite to the inclined filter plates.

As a preferred technical scheme of the explosion-proof flue of the refining furnace, a first inclined filter layer is arranged in the center of the interior of the recovery tank, a second inclined filter layer is arranged at the bottom of the first inclined filter layer, the first inclined filter layer and the second inclined filter layer form a Y shape, a water suction pump is arranged between the first inclined filter layer and the second inclined filter layer in a surrounding mode, one end of the water suction pump is communicated with a cleaning pipe, a storage chamber is arranged on one side of the recovery tank, a connecting pump is arranged in the storage chamber, one end of the connecting pump is connected with an injection head, and the injection head penetrates into the recovery tank.

As the preferable technical scheme of the explosion-proof flue of the refining furnace, the high-pressure spray head is movably connected with the cleaning pipe through the connecting shaft, one end of the high-pressure spray head is connected with the electric telescopic rod, and the electric telescopic rod swings back and forth to drive the high-pressure spray head to comprehensively clean the inclined filter plate.

As a preferable technical scheme of the explosion-proof flue of the refining furnace, the pressure of water sprayed by the high-pressure spray nozzle is 500 kg.

As the preferable technical scheme of the explosion-proof flue of the refining furnace, the inside of the installation chamber is provided with the connecting fins which are distributed in an annular mode, the connecting fins are connected with the connecting pipes, and the connecting fins are made of metal materials.

As a preferable technical scheme of the explosion-proof flue of the refining furnace, the first inclined filter layer and the second inclined filter layer are made of active carbon materials.

Compared with the prior art, the utility model has the following beneficial effects:

According to the utility model, the smoke flowing through the inside of the flue body is cooled by the water of the connecting pipe, so that explosion is avoided when high-temperature smoke is discharged, dust and particles carried by the smoke can be filtered when the smoke passes through the inclined pipeline, the filtering device can be automatically cleaned, the filtering performance of the flue is kept, the cleaned water can be recycled, and deflagration and explosion caused by accumulated dust are avoided.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of a portion of the structure of the present utility model;

FIG. 3 is an enlarged view of the structure at A of the present utility model;

FIG. 4 is a schematic plan view of the present utility model;

FIG. 5 is an enlarged view of the structure at B of the present utility model;

In the figure: 1. a flue body; 2. a heat energy recovery plate; 3. a support block; 4. a mounting chamber; 5. a connecting pipe; 6. a water inlet pipe; 7. a water outlet pipe; 8. tilting the pipeline; 9. an auxiliary pipe; 10. tilting the filter plate; 11. a flow guiding pipe; 12. a recovery tank; 13. cleaning the tube; 14. a high pressure nozzle; 15. a first sloped filter layer; 16. a second sloped filter layer; 17. a water pump; 18. a saving room; 19. connecting a pump; 20. an ejection head; 21. a connecting shaft; 22. an electric telescopic rod; 23. and connecting the fins.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Wherein like reference numerals refer to like elements throughout.

Example 1

As shown in fig. 1-5, including flue body 1, the inner wall of flue body 1 is provided with four heat recovery boards 2 that hug closely each other, the central authorities of heat recovery boards 2 are hollow form, the inside of heat recovery boards 2 is provided with evenly distributed's supporting shoe 3, the inside of heat recovery boards is cut apart into independent installation room 4 by supporting shoe 3, the inside of installation room 4 is provided with connecting pipe 5, the hand tail of connecting pipe 5 is connected, the bottom surface of flue body 1 is encircled and is provided with into water pipe 6, it is linked together with four inside bottom connecting pipe 5 of heat recovery boards 2 into water department to go into water pipe 6, the top surface of flue body 1 is encircled and is provided with outlet pipe 7, outlet pipe 7 is linked together with four inside top connecting pipe 5 of heat recovery boards 2, the top of flue body 1 is connected with inclined pipeline 8, the bottom side of inclined pipeline 8 is connected with evenly distributed's auxiliary pipeline 9, auxiliary pipeline 9 runs through inside inclined pipeline 8 inside, inside top side of inclined pipeline 8 is provided with evenly distributed's inclined filter 10, inclined filter 10 is just to auxiliary pipeline 9's top.

Further, the bottom of auxiliary pipe 9 is connected with honeycomb duct 11 jointly, and one side of flue body 1 is provided with retrieves jar 12, retrieves jar 12 and honeycomb duct 11 and is connected, filters out through being inclined filter 10 at dust and impurity granule, and dust and granule drop in the inside bottom of inclined pipe 8, and the impurity of filtering out rolls to the inside of retrieving jar 12 through honeycomb duct 11.

The filtration mesh number of slope filter 10 is arranged from small to big, and the inside top side of slope pipeline 8 is provided with washpipe 13, and the bottom of washpipe 13 is connected with evenly distributed's high-pressure nozzle 14, and high-pressure nozzle 14 is just to slope filter 10, and slope filter 10 filters the granule dust of equidimension gradually, communicates the water source through washpipe 13 for high-pressure nozzle 14 clear up the impurity that slope filter 10 surface is attached, makes slope filter 10 filtration performance stable.

The inside central authorities of recovery jar 12 are provided with first slope filter layer 15, the bottom of first slope filter layer 15 is provided with second slope filter layer 16, Y type is constituteed with second slope filter layer 16 to first slope filter layer 15, it is provided with suction pump 17 to surround between first slope filter layer 15 and the second slope filter layer 16, the one end and the wash pipe 13 of suction pump 17 are linked together, one side of recovery jar 12 is provided with accumulator 18, accumulator 18's inside is provided with connecting pump 19, connecting pump 19's one end is connected with spray head 20, spray head 20 runs through to recovery jar 12 inside, accumulator 18 inside stores hydrogen peroxide in advance, connecting pump 19 passes through spray head 20 with the inside hydrogen peroxide of accumulator 18 to the inside of recovery jar 12, make its inside sulfur oxidize, form the sulfate precipitation, get rid of the sulfur in the recovery jar 12 water.

The high-pressure spray head 14 is movably connected with the cleaning pipe 13 through the connecting shaft 21, one end of the high-pressure spray head 14 is connected with the electric telescopic rod 22, the electric telescopic rod 22 swings back and forth to drive the high-pressure spray head 14 to comprehensively clean the inclined filter plate 10, and when the electric telescopic rod 22 performs telescopic reciprocating motion, the high-pressure spray head 14 swings and rotates around the connecting shaft 21 at the moment, so that the high-pressure spray head 14 can comprehensively clean the inclined filter plate 10.

The high pressure nozzle 14 sprays water at a pressure of 500 kg, and the high pressure nozzle 14 cleans dust and particles adhering to the surface of the inclined filter plate 10 by using high pressure, and the cleaned water falls down to the inside of the recovery tank 12 through the draft tube 11 along the inner bottom of the inclined pipe 8.

The inside of installation room 4 is provided with annular distributed's connecting fin 23, and connecting fin 23 is connected with connecting pipe 5, and connecting fin 23 is made by metal material for the inside heat of flue body 1 can better transfer to connecting pipe 5.

The first inclined filter layer 15 and the second inclined filter layer 16 are made of active carbon materials, and the active carbon materials can adsorb sulfur in water.

Specifically, hydrogen peroxide is pre-stored in the storage chamber 18, moisture is stored in the recovery tank 12, when the flue gas recovery device is used, smoke starts to flow upwards from the bottom of the flue body 1 and flows into the inclined pipeline 8, the water inlet pipe 6 is connected with a water source, the water source flows in the heat recovery plate 2 through the connecting pipe 5, the water source is connected with the tail of the connecting pipe 5, the water flow stays in the installation chamber 4 for a long time and flows through a wide area, the temperature carried by the smoke can be better absorbed, the connecting fins 23 are connected with the connecting pipe 5, the connecting fins 23 are made of metal materials, the heat in the flue body 1 can be better transferred to the connecting pipe 5, the heated water is discharged through the water outlet pipe 7, the temperature of the smoke is reduced, explosion caused by high temperature of the smoke is prevented, the smoke after cooling enters the inclined pipeline 8, the dust and impurity particles are filtered out by the inclined filter plate 10, the inclined filter plate 10 gradually filters particle dust with different sizes, the dust and the particles fall on the inner bottom of the inclined pipeline 8, the filtered impurities roll down to the inside of the recovery tank 12 through the guide pipe 11, the dust is reduced to be discharged from the inclined pipeline 8, the impurities are filtered out by the first inclined filter layer 15 in the inside of the recovery tank 12, when the flue is suspended for use, during maintenance, the water in the recovery tank 12 is cleaned through the cleaning pipe 13 and the high-pressure spray nozzle 14 by starting the water suction pump 17, the electric telescopic rod 22 is started to swing back and forth to drive the high-pressure spray nozzle 14 to comprehensively clean the inclined filter plate 10, and when the electric telescopic rod 22 performs telescopic reciprocating motion, the high-pressure spray nozzle 14 swings around the connecting shaft 21 at the moment, so that the high-pressure spray head 14 can clean the inclined filter plate 10 comprehensively, the hydrogen peroxide in the storage chamber 18 is transferred to the inside of the recovery tank 12 through the spray head 20 by starting the connecting pump 19, sulfur in the storage chamber is oxidized to form sulfate precipitation, sulfur in the water in the recovery tank 12 is removed, sulfate is formed in the recovery tank 12, the sulfate is filtered and separated out through the first inclined filter layer 15 and the second inclined filter layer 16, the sulfate separated out at the water suction pump 17 is pumped out through the water suction pump 17, and the sulfate is separated out by the first inclined filter layer 15 after flowing into the recovery tank after cleaning the inclined filter plate 10.

Finally, it should be noted that: the above is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that the present utility model is described in detail with reference to the foregoing embodiments, and modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides an explosion-proof flue of refining furnace, includes flue body (1), its characterized in that, the inner wall of flue body (1) is provided with four heat recovery boards (2) of hugging closely each other, the central authorities of heat recovery boards (2) are hollow form, the inside of heat recovery boards (2) is provided with evenly distributed's supporting shoe (3), the inside of supporting shoe (3) with heat recovery boards (2) is cut apart into independent installing chamber (4), the inside of installing chamber (4) is provided with connecting pipe (5), the hand tail of connecting pipe (5) is connected, the bottom surface of flue body (1) is encircleed and is provided with into water pipe (6), the top surface of water pipe (6) and four inside bottom connecting pipe (5) of heat recovery boards (2) are linked together, the top surface of flue body (1) is encircleed and is provided with outlet pipe (7), outlet pipe (7) are linked together with the inside top connecting pipe (5) of four heat recovery boards (2), the top of body (1) is connected with inclined pipeline (8), inclined pipeline (8) are connected with inclined pipeline (8) and are evenly distributed to inclined pipeline (8) side (9), the inclined filter plate (10) is opposite to the top of the auxiliary pipeline (9).

2. The explosion-proof flue of a refining furnace according to claim 1, wherein the bottom of the auxiliary pipeline (9) is commonly connected with a guide pipe (11), one side of the flue body (1) is provided with a recovery tank (12), and the recovery tank (12) is connected with the guide pipe (11).

3. The explosion-proof flue of the refining furnace according to claim 2, wherein the filter mesh number of the inclined filter plate (10) is arranged from small to large, a cleaning pipe (13) is arranged on the inner top side surface of the inclined pipeline (8), high-pressure spray nozzles (14) which are uniformly distributed are connected to the bottom of the cleaning pipe (13), and the high-pressure spray nozzles (14) are opposite to the inclined filter plate (10).

4. A refining furnace explosion-proof flue according to claim 3, characterized in that the inside center of the recovery tank (12) is provided with a first inclined filter layer (15), the bottom of the first inclined filter layer (15) is provided with a second inclined filter layer (16), the first inclined filter layer (15) and the second inclined filter layer (16) form a Y-type, a water suction pump (17) is arranged between the first inclined filter layer (15) and the second inclined filter layer (16) in a surrounding manner, one end of the water suction pump (17) is communicated with the cleaning pipe (13), one side of the recovery tank (12) is provided with a storage chamber (18), the inside of the storage chamber (18) is provided with a connecting pump (19), one end of the connecting pump (19) is connected with an injection head (20), and the injection head (20) penetrates into the recovery tank (12).

5. A refining furnace explosion-proof flue according to claim 3, wherein the high-pressure spray head (14) is movably connected with the cleaning pipe (13) through a connecting shaft (21), one end of the high-pressure spray head (14) is connected with an electric telescopic rod (22), and the electric telescopic rod (22) swings back and forth to drive the high-pressure spray head (14) to comprehensively clean the inclined filter plate (10).

6. A refining furnace explosion proof flue according to claim 3, characterized in that the pressure of the water ejected from the high pressure nozzle (14) is 500 kg.

7. The explosion-proof flue of the refining furnace according to claim 1, wherein the inside of the installation chamber (4) is provided with connecting fins (23) distributed in a ring shape, the connecting fins (23) are connected with the connecting pipe (5), and the connecting fins (23) are made of metal materials.

8. A refining furnace explosion proof flue according to claim 4, characterized in that the first and second inclined filter layers (15, 16) are made of activated carbon material.