CN210103995U

CN210103995U - Novel pressure-equalizing gas recoverer

Info

Publication number: CN210103995U
Application number: CN201920584964.3U
Authority: CN
Inventors: 杨兵; 蔡成峰; 王强; 吴世东; 黄燕
Original assignee: Jiangsu Ruili Environmental Engineering Ltd By Share Ltd
Current assignee: Jiangsu Ruili Environmental Engineering Ltd By Share Ltd
Priority date: 2019-04-26
Filing date: 2019-04-26
Publication date: 2020-02-21
Anticipated expiration: 2029-04-26

Abstract

The utility model discloses a novel pressure-equalizing gas recoverer, which comprises an air inlet arranged at the top of the recoverer body and an ash discharge port arranged at the bottom of the recoverer body, wherein the top of the recoverer body is provided with a clapboard, the middle part of the recoverer body is provided with a filter bag filter air chamber, the top of the filter bag filter air chamber is provided with a lattice plate, an air purifying chamber is arranged between the clapboard and the lattice plate, the side wall of the air purifying chamber of the recoverer body is provided with an air outlet, the air purifying chamber is connected with a blowing device arranged outside the recoverer body, the bottom of the recoverer body is provided with a flow guide plate, the bottom of the shell is an ash discharge port, the center of the recoverer body is provided with an airflow pressure reducing uniform distributor from top to bottom, the airflow pressure reducing uniform distributor penetrates through the clapboard, the lattice plate and the flow guide plate, the, the occupied space is small, the installation and the maintenance are convenient, the early investment is saved, and the combustion quality of the pressure-equalizing gas is improved.

Description

Novel pressure-equalizing gas recoverer

Technical Field

The utility model relates to a blast furnace gas technology field of adjusting, in particular to novel voltage-sharing gas recoverer.

Background

In recent years, with the growing environmental protection and climate problems, people have attracted high attention, and low-carbon, clean and efficient enterprises are bound to be built. In the blast furnace smelting production process, before the blast furnace charging bucket is charged, the high-pressure gas in the charging bucket needs to be decompressed and diffused, the pressure-equalizing diffusion valve is opened in the traditional diffusion mode, and the gas in the charging bucket is directly discharged to the air through the cyclone dust collector and the silencer. The emission process generates noise, discharges a large amount of blast furnace gas and dust, causes multiple pollution to the environment, and wastes a large amount of gas energy. In order to recover energy and improve the environment, reduce the load of a furnace top silencer and improve the maintenance condition of furnace top equipment, a furnace top pressure equalizing and bleeding system is provided with a pressure equalizing gas recovery system. The traditional pressure-equalizing gas recoverer has the defects of incapability of dehydrating, easiness in bag pasting, non-uniform airflow gas field and serious impact and abrasion on a filter bag.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel voltage-sharing gas recoverer.

The utility model adopts the technical proposal that:

novel pressure-equalizing gas recoverer, its characterized in that: the device comprises an air inlet arranged at the top of the device body and an ash discharge port arranged at the bottom of the device body, wherein a dehydrator is arranged at the top of the device body, a partition plate is arranged at the bottom of the dehydrator, a filter bag filtering air chamber is arranged in the middle of the device body, a lattice plate is arranged at the top of the filter bag filtering air chamber, an air purifying chamber is arranged between the partition plate and the lattice plate, an air outlet is formed in the side wall of the air purifying chamber, the air purifying chamber is connected with a blowing device arranged outside the device body, a guide plate is arranged at the bottom of the device body, a recoverer shell is arranged below the guide plate, an ash discharge port is arranged at the bottom of the shell, an airflow pressure reduction.

The outer wall of the device body is provided with a drain pipe above the partition plate.

The dehydrator is internally laminated by adopting angle steels, and two connected layers are arranged at 90 degrees.

The caliber of the airflow pressure reduction uniform distributor is gradually enlarged from top to bottom.

The side wall of the device body is provided with an inspection manhole.

The utility model has the advantages that: the top is provided with the dehydrator, the effect of autonomous dehydration is achieved, the drain pipe timely discharges water deposited on the partition plate, the partition plate is corrosion-resistant, the dehydrated pressure-sharing coal gas flows downwards along the airflow pressure reduction and distribution device, the pressure of the coal gas is reduced, the filtering effect is improved, the guide plate is arranged, the backward airflow flow field is more uniform, the integrated design is realized, the quadruple functions of dehydration, pressure reduction, dust removal and distribution of the flow field are integrated, the occupied space is small, the installation and maintenance are convenient, the early investment is saved, the moisture contained in the pressure-sharing coal gas can be effectively removed, and the removal efficiency reaches 90%; the dust removal efficiency can be up to 99.9%, the combustion quality of the pressure-equalizing gas is improved, the economic benefit is increased for enterprises, the direct exhaust of the gas is avoided, and the positive effect is achieved for improving the atmospheric environment.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic structural diagram of the present invention.

Wherein: 1. an air inlet; 2. a dehydrator; 3. a blowing device; 4. the filter bag filters the air chamber; 5. an airflow pressure reduction uniform distributor; 6. a baffle; 7. a recycler housing; 8. a drain pipe; 9. an ash discharge port; 10. an inspection manhole; 11. lattice plates; 12. an air outlet; 13. a partition plate; 14. a body; 15. and (4) an air purifying chamber.

Detailed Description

As shown in figure 1, the novel pressure-equalizing gas recoverer comprises an air inlet 2 arranged at the top of a container body 14 and an ash discharge port 9 arranged at the bottom of the container body, wherein the top of the container body is provided with a dehydrator 2, the bottom of the dehydrator 2 is provided with a partition plate 13, the middle of the container body is provided with a filter bag filtering air chamber 4, the top of the filter bag filtering air chamber 4 is provided with a lattice plate 11, an air purifying chamber 15 is arranged between the partition plate 13 and the lattice plate 11, the container body is provided with an air outlet 12 at the side wall of the air purifying chamber 15, the air purifying chamber 15 is connected with a blowing device 3 arranged outside the container body 14, the bottom of the container body is provided with a guide plate 6, a recoverer shell 7 is arranged below the guide plate 6, the bottom of the shell is provided.

The drain pipe 8 is arranged on the outer wall of the device body 14 above the partition plate 13, the side wall of the device body is provided with an inspection manhole, and the dehydrator, the blowing system, the filter bag and the guide plate are inspected and replaced when necessary, so that the operation is convenient.

The dehydrator 2 is internally laminated by angle steel, two layers of the dehydrator are connected and arranged at 90 degrees, each layer is horizontally and uniformly distributed by 8# angle steel, and the arrangement gap is 80mm, so that the dehydration effect is ensured, and the smaller resistance is also ensured.

The caliber of the air flow pressure reduction uniform distributor 5 is gradually enlarged from top to bottom, so that the volume of the coal gas is expanded, and the pressure of the coal gas is reduced; many small through holes with the diameter of 5mm are uniformly distributed on the circumference of the uniform distributor (cloth bag area), so that the distribution condition of the air flow around the inner cloth bag is improved, a small amount of pressure-equalizing gas enters the filtering air chamber from the small holes, the distribution condition of the air flow around the inner cloth bag is improved, and the filtering effect is improved.

The main pressure-equalizing coal gas flows out from a round opening at the bottom of the pressure-reducing uniform distributor, and the air flow turns to flow upwards by 180 degrees, so that the flow field of the area is more disordered due to the change of the flow direction of the air flow, a set of guide plates are required to be arranged at the upper part, and the guide plates are arranged at the bottom, so that the changed air flow field is more uniform. The guide plate is welded into a grid shape by adopting 500mm wide steel plates, the size of the grid is 300x300mm, and the equipment resistance is small.

And the pressure-equalizing coal gas rectified by the guide plate is subjected to dust removal treatment by a filter bag filtering system. The filter bag is made of oil-proof and water-proof special filter materials, so that the service life under the working condition is prolonged. And after dust is accumulated outside the filter bag, starting a blowing system, shaking off the dust to a dust hopper at the bottom of the recoverer, storing the dust in the dust hopper to a set volume, and then discharging the dust from the bottom.

The clean and dry pressure-equalizing gas after dust removal enters a gas purifying chamber and is sent to a low-pressure pipe network through a gas outlet pipeline.

The utility model discloses the top has set up the dehydrator, the effect of independently dehydrating has been played, the water of deposit on the baffle is in time discharged to the drain pipe, it is anticorrosive, the pressure-sharing coal gas after the dehydration flows downwards along the air current step-down equipartition ware, reduce coal gas pressure, the filter effect is promoted, set up the guide plate, make the air current field that changes backward more even, the design of realizing integrating has integrated, integrated dehydration, step-down, remove dust, the quadruple function of flow field equipartition, occupation space is little, the installation, easy maintenance, the earlier stage investment has been practiced thrift, can effectively get rid of the moisture that the pressure-sharing coal gas contains, it reaches; the dust removal efficiency can be up to 99.9%, the combustion quality of the pressure-equalizing gas is improved, the economic benefit is increased for enterprises, the direct exhaust of the gas is avoided, and the positive effect is achieved for improving the atmospheric environment.

Claims

1. Novel pressure-equalizing gas recoverer, its characterized in that: the device comprises an air inlet arranged at the top of the device body and an ash discharge port arranged at the bottom of the device body, wherein a dehydrator is arranged at the top of the device body, a partition plate is arranged at the bottom of the dehydrator, a filter bag filtering air chamber is arranged in the middle of the device body, a lattice plate is arranged at the top of the filter bag filtering air chamber, an air purifying chamber is arranged between the partition plate and the lattice plate, an air outlet is formed in the side wall of the air purifying chamber, the air purifying chamber is connected with a blowing device arranged outside the device body, a guide plate is arranged at the bottom of the device body, a recoverer shell is arranged below the guide plate, an ash discharge port is arranged at the bottom of the shell, an airflow pressure reduction.

2. The novel pressure-equalizing gas recoverer according to claim 1, wherein: the outer wall of the device body is provided with a drain pipe above the partition plate.

3. The novel pressure-equalizing gas recoverer according to claim 1, wherein: the dehydrator is internally laminated by adopting angle steels, and two connected layers are arranged at 90 degrees.

4. The novel pressure-equalizing gas recoverer according to claim 1, wherein: the caliber of the airflow pressure reduction uniform distributor is gradually enlarged from top to bottom.

5. The novel pressure-equalizing gas recoverer according to claim 1, wherein: the side wall of the device body is provided with an inspection manhole.