CN216745507U

CN216745507U - Refining furnace waste gas high-efficiency processing device

Info

Publication number: CN216745507U
Application number: CN202220038527.3U
Authority: CN
Inventors: 黄小军; 王省; 宁伟利; 李明; 白猛
Original assignee: Cangzhou China Railway Equipment Manufacturing Materials Co Ltd
Current assignee: Cangzhou China Railway Equipment Manufacturing Materials Co Ltd
Priority date: 2022-01-10
Filing date: 2022-01-10
Publication date: 2022-06-14
Anticipated expiration: 2032-01-10

Abstract

The utility model discloses a refining furnace waste gas high-efficiency treatment device which comprises a refining furnace, a filtering box body and a recovery box body, wherein cooling water is arranged in the filtering box body, a plurality of lower partition plates and upper partition plates are arranged in the filtering box body at intervals, air passing gaps are formed between the partition plates and the upper box wall and between the partition plates and the lower box wall of the filtering box body, a spray pipe is arranged on the filtering box body, a water distribution pipe extending into the filtering box body is arranged at the part, above the filtering box body, of the spray pipe, a spray head is arranged on the water distribution pipe, an air discharge pipe is arranged on one side, far away from the air discharge pipe, of the filtering box body, and a drain outlet is formed in the bottom of the recovery box body. According to the utility model, after high-temperature waste gas is introduced into the filter box body, the cooling water sprayed by the spray header effectively cools the gas, and after the waste gas is contacted with the wet side wall of the partition plate, the cooling water on the partition plate can adsorb particulate matters in the waste gas and can cool the waste gas again, so that the treatment effect of the waste gas is greatly improved.

Description

Refining furnace waste gas high efficiency processing device

Technical Field

The utility model relates to the technical field of refining furnaces, in particular to a refining furnace waste gas efficient treatment device.

Background

The refining furnace is a smelting device in the hot working industry, is used for carrying out final deoxidation and alloying processes on molten steel in ferrous metallurgy, has high temperature in the using process, the furnace temperature is usually more than 1000 ℃, each furnace is provided with one or more furnace doors for feeding or smelting operation, waste gas with high temperature can be discharged in the production process of the refining furnace, the waste gas is usually mixed with impurities such as dust and the like, once the waste gas is directly discharged, the pollution to the atmosphere can be caused, and therefore the waste gas needs to be treated in advance.

SUMMERY OF THE UTILITY MODEL

The utility model aims to avoid the defects in the prior art and provides a refining furnace waste gas high-efficiency treatment device, thereby effectively solving the defects in the prior art.

In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides a refining furnace waste gas high efficiency processing device, includes the refining furnace, filters the box and retrieves the box, the blast pipe of refining furnace with filter the box intercommunication, filter the box pass through the delivery pipe with retrieve the box intercommunication, retrieve and still be provided with the back flow between box and the filtration box, be provided with the cooling water in the filtration box, be provided with a plurality of lower baffles and last baffle in the filtration box, down the baffle with go up the baffle and set up each other at intervals, be provided with air gap between each baffle and the upper and lower case wall of filtering the box, be provided with the shower on the filtration box, the one end of shower stretches into in the cooling water, and the other end of shower extends to the top of filtering the box, and the part that the shower is located the filtration box top is provided with the water distributor that extends to filtering the box, be provided with the shower head on the water distributor, the shower head sets up at last, An air discharge pipe is arranged on one side of the filtering box body away from the exhaust pipe at the gap between the lower partition plates, and a sewage discharge outlet is arranged at the bottom of the recovery box body;

the both sides of baffle are provided with a plurality of first sand grips along vertical direction equipartition down, the both sides of going up the baffle are provided with a plurality of second sand grips along vertical direction equipartition, and the lower extreme of baffle is provided with a plurality of mouths of crossing down.

Furthermore, the spray header comprises a disc-shaped joint communicated with the water distribution pipe, water distribution nozzles are uniformly distributed at the lower end of the joint along the circumferential direction, and a plurality of nozzles are uniformly distributed at the outer side of each water distribution nozzle.

Further, an induced draft fan is arranged on the exhaust pipe.

Furthermore, a water replenishing pipe is arranged on the filtering box body.

Further, the delivery pipe is provided with two, and two delivery pipes are in respectively the both sides of filtering the bottom of the box body extend outwards and with retrieve the top intercommunication of box, be provided with the control valve on the delivery pipe.

Furthermore, a water supply pump is connected to the spray pipe.

Furthermore, a return pump is arranged on the return pipe.

Furthermore, the lower end of the filtering box body is in a necking shape, and the sewage draining outlet is arranged at the bottom of the necking shape.

The technical scheme of the utility model has the following beneficial effects: according to the utility model, the filtering box body is arranged, waste gas generated by the refining furnace is introduced into the filtering box body, after high-temperature waste gas enters the filtering box body, cooling water sprayed by the spray header effectively cools the gas, when the waste gas passes through each partition plate, the waste gas collides with the partition plate, and the raised lines are arranged on the partition plates, so that the contact area between the gas and the partition plates is increased, and after the waste gas contacts with the wet side walls of the partition plates, the cooling water on the partition plates can adsorb particulate matters in the waste gas and can cool the waste gas again, so that the treatment effect of the waste gas is greatly improved.

Drawings

FIG. 1 is a schematic structural diagram of a front view plane according to an embodiment of the present invention;

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

FIG. 3 is a schematic top plan view of an upper partition plate according to an embodiment of the present invention;

FIG. 4 is a schematic top view of a cross-sectional structure of a bottom partition according to an embodiment of the present invention.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention is described in further detail below with reference to the accompanying drawings and detailed description, and it is to be noted that the embodiments and features of the embodiments of the present application can be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.

As shown in fig. 1-4, the high efficiency treatment device for the exhaust gas of the refining furnace described in this embodiment comprises a refining furnace 1, a filtering box 2 and a recycling box 3, wherein an exhaust pipe 4 of the refining furnace 1 is communicated with the filtering box 2, the filtering box 2 is communicated with the recycling box 3 through a discharge pipe 5, a return pipe 6 is further disposed between the recycling box 3 and the filtering box 2, cooling water is disposed in the filtering box 2, a plurality of lower partition plates 7 and upper partition plates 8 are disposed in the filtering box 2, the lower partition plates 7 and the upper partition plates 8 are spaced from each other, air gaps are disposed between each partition plate and the upper and lower walls of the filtering box 2, a spray pipe 9 is disposed on the filtering box 2, one end of the spray pipe 9 extends into the cooling water, the other end of the spray pipe 9 extends to the upper side of the filtering box 2, a water distribution pipe 10 extending to the filtering box 2 is disposed on the part of the spray pipe 9 above the filtering box 2, a spray header 11 is arranged on the water distribution pipe 10, the spray header 11 is arranged at the gap between the upper and lower partition plates, an air discharge pipe 12 is arranged on one side of the filtering box body 2 far away from the exhaust pipe 4, and a sewage discharge outlet 17 is arranged at the bottom of the recovery box body 3;

the both sides of baffle 7 are provided with a plurality of first sand grips 7a along vertical direction equipartition down, and the both sides of going up baffle 8 are provided with a plurality of second sand grips 8a along vertical direction equipartition, and the lower extreme of baffle 7 is provided with a plurality of water gaps 7b down.

The shower head 11 includes the discoid joint 11a that communicates with water distributor 10, and the lower extreme that connects 11a is provided with water distribution nozzle 11b along the circumference equipartition, and water distribution nozzle 11 b's outside equipartition is provided with a plurality of nozzles 11c, and water distribution nozzle 11b along circumference arranges makes 9 spun cooling water of shower pipe be fan-shaped dispersion to increase shower head 11's the range of spraying, improve the contact surface of waste gas and cooling water, increase exhaust-gas treatment's effect.

An induced draft fan 13 is arranged on the exhaust pipe 4.

The filtering box body 2 is provided with a water replenishing pipe 14.

The two discharge pipes 5 are arranged, the two discharge pipes 5 respectively extend outwards from two sides of the bottom of the filter box body 2 and are communicated with the top of the recovery box body 3, a control valve is arranged on the discharge pipe 5, and the discharge pipe 5 guides cooling water in the filter box body 2 into the recovery box body 3.

A water supply pump 15 is connected to the shower pipe 9.

The return pipe 6 is provided with a return pump 16.

The lower end of the filtering box body 2 is in a necking shape, and the sewage outlet 17 is arranged at the bottom of the necking shape.

The working principle of the utility model is as follows: high-temperature waste gas generated by the refining furnace 1 enters the filtering box body 2 through the exhaust pipe, the spray pipe 9 pumps out cooling water in the filtering box body 2 through the water supply pump 15, and is sprayed out through the spray header 11, when the waste gas passes through among the partition plates, the waste gas is cooled and dedusted by the cooling water in the filter box body 2 and the cooling water sprayed out from the spray header 11, the waste gas after cooling treatment is discharged through the gas discharge pipe 12, the particles in the waste gas fall into the cooling water, and by opening the control valve periodically, the cooling water in the filtering box body 2 is communicated with the impurities in the water and is led into the recycling box body 3 together, after precipitation, the impurity in the cooling water can pile up in the bottom of retrieving box 3, and the cooling water after the filtration returns to filtering box 2 via back flow 6 again and uses, then opens drain 17, can be with retrieving the interior accumulational impurity of box 3 and discharge.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a refining furnace waste gas high efficiency processing apparatus which characterized in that: the refining furnace comprises a refining furnace, a filtering box body and a recovery box body, wherein an exhaust pipe of the refining furnace is communicated with the filtering box body, the filtering box body is communicated with the recovery box body through an exhaust pipe, a backflow pipe is further arranged between the recovery box body and the filtering box body, cooling water is arranged in the filtering box body, a plurality of lower partition plates and upper partition plates are arranged in the filtering box body, the lower partition plates and the upper partition plates are arranged at intervals, air passing gaps are formed between the partition plates and the upper box wall and between the partition plates and the lower box wall of the filtering box body, a spray pipe is arranged on the filtering box body, one end of the spray pipe extends into the cooling water, the other end of the spray pipe extends towards the upper part of the filtering box body, a water distribution pipe extending towards the filtering box body is arranged on the part of the spray pipe above the filtering box body, a spray head is arranged on the water distribution pipe, the spray head is arranged at the gap between the upper partition plate and the lower partition plate, and an exhaust pipe is arranged on one side, which is far away from the exhaust pipe, on the filtering box body, a sewage draining outlet is arranged at the bottom of the recovery box body;

2. The efficient treatment device for the waste gas of the refining furnace according to claim 1, characterized in that: the spray header includes with the discoid joint of water-distribution pipe intercommunication, the lower extreme that connects is provided with the water distribution shower nozzle along circumference equipartition, the outside equipartition of water distribution shower nozzle is provided with a plurality of nozzles.

3. The efficient treatment device for the waste gas of the refining furnace according to claim 1, characterized in that: and the exhaust pipe is provided with an induced draft fan.

4. The efficient treatment device for the waste gas of the refining furnace according to claim 1, characterized in that: and a water replenishing pipe is arranged on the filtering box body.

5. The efficient treatment device for the waste gas of the refining furnace according to claim 1, characterized in that: the discharge pipe is provided with two, and two discharge pipes are in respectively filter the both sides of bottom of the box body outside extend and with retrieve the top intercommunication of box, be provided with the control valve on the discharge pipe.

6. The efficient treatment device for the waste gas of the refining furnace according to claim 1, characterized in that: and a water supply pump is connected to the spray pipe.

7. The efficient treatment device for the waste gas of the refining furnace according to claim 1, characterized in that: and a return pump is arranged on the return pipe.

8. The efficient treatment device for the waste gas of the refining furnace according to claim 1, characterized in that: the lower end of the filtering box body is in a necking shape, and the sewage draining outlet is arranged at the bottom of the necking shape.