CN219647156U

CN219647156U - Tail gas treatment equipment for iron oxide production containing acidic substances

Info

Publication number: CN219647156U
Application number: CN202321324031.3U
Authority: CN
Inventors: 方天成; 胡仁钧; 孙晓庆; 俞晓波; 杨鸿飞; 吴陈浩
Original assignee: TONGLING RELY TECHNOLOGY CO LTD
Current assignee: TONGLING RELY TECHNOLOGY CO LTD
Priority date: 2023-05-29
Filing date: 2023-05-29
Publication date: 2023-09-08
Anticipated expiration: 2033-05-29

Abstract

The utility model discloses tail gas treatment equipment for ferric oxide production containing acidic substances, which relates to the technical field of tail gas treatment and comprises a tail gas fan, a washing tower, a washing pump and an alkaline water tank, wherein the output end of the tail gas fan is communicated with the washing tower through an air inlet pipe, an air collecting pipe is fixedly arranged at the input end of the tail gas fan, the washing tower is fixedly connected with the washing pump through a liquid suction pipe, a first circulating spray pipe and an outer exhaust pipe are fixedly arranged at the output end of the washing pump, the tail end of the first circulating spray pipe is fixedly connected with the alkaline water tank, the alkaline water tank is fixedly connected with the washing tower through a second circulating spray pipe, a liquid discharge pipe is fixedly arranged on the side wall of the washing tower, and a process water main pipe is fixedly arranged at the tail end of the liquid discharge pipe. The utility model can not only purify the tail gas.

Description

Tail gas treatment equipment for iron oxide production containing acidic substances

Technical Field

The utility model relates to the technical field of tail gas treatment, in particular to tail gas treatment equipment for iron oxide production containing acidic substances.

Background

A large amount of tail gas is discharged in the smelting process of the ferric oxide containing acidic substances, and a large amount of waste heat is mixed in the tail gas. The traditional treatment mode is to adopt a washing tower to carry out washing and purifying treatment, although the tail gas can be partially obtained, the tail gas is discharged after the tail gas purifying treatment, but a large amount of waste heat and acidic substances still exist in the tail gas, if the tail gas is directly discharged into the air, the heat energy loss can be caused, the environment can be polluted, and the current energy-saving and environment-friendly requirements are not met.

Disclosure of Invention

The present utility model has been made in view of the above-mentioned problems occurring in the conventional tail gas treatment apparatus for iron oxide production containing acidic substances.

Therefore, the utility model aims to provide tail gas treatment equipment for ferric oxide production containing acidic substances, which solves the problems of the background technology.

In order to achieve the above object, the present utility model provides the following technical solutions:

the utility model provides an iron oxide production tail gas treatment facility for containing acidic material, includes tail gas fan, scrubbing tower, washing pump and alkaline water jar, the output of tail gas fan passes through intake pipe and scrubbing tower intercommunication setting, the fixed gas-collecting pipe that is equipped with of input of tail gas fan, through liquid pumping pipe fixed connection between scrubbing tower and the washing pump, the fixed first circulation shower and the outer calandria that are equipped with of output of scrubbing pump, the end and the alkaline water jar fixed connection of first circulation shower, through second circulation shower fixed connection between alkaline water jar and the scrubbing tower, the lateral wall of scrubbing tower is fixed and is equipped with the fluid-discharge tube, and the fixed process water trunk that is equipped with of end of fluid-discharge tube.

Preferably, a spray header group is fixedly arranged at the top of the washing tower, and one end of the second circulating spray pipe is fixedly connected with the input end of the spray header group.

Preferably, a filter screen is fixedly arranged at the top of the washing tower and above the spray header group, and an exhaust port is arranged at the top of the washing tower.

Preferably, the side wall of the washing tower is fixedly provided with a PH detector which extends into the washing tower.

Preferably, the tail end of the air collecting pipe is connected with external tail gas production equipment.

Preferably, the tail end of the outer calandria is fixedly connected with sewage treatment equipment.

Preferably, a liquid discharge pump fixedly connected with one end of the liquid discharge pipe is fixedly arranged in the washing tower.

In the technical scheme, the utility model has the technical effects and advantages that:

1. according to the utility model, through the washing pump, the alkali water tank, the first circulating spray pipe and the second circulating spray pipe, the washing pump can pump out the kettle liquid (water) in the washing tower, so that the kettle liquid (water) is introduced into the alkali water tank to enter tail acidic substances for neutralization, the materials are introduced into the alkali water tank in a circulating way, and meanwhile, the materials at normal temperature are heated to raise the feeding temperature of the production materials, so that the energy consumption of oxidation production steam is reduced, the heat of the kettle liquid (water) is discharged into a spray header group in the washing tower through the second circulating spray pipe after being exchanged, finally, the kettle liquid (water) is sprayed through the spray header group and is exchanged and absorbed with the discharged tail gas, and the rest air is discharged through an exhaust port at the top of the washing tower.

2. According to the utility model, through the liquid discharge pipe and the main process water pipe, the washed kettle liquid (water) can be discharged to the main process water pipe through the liquid discharge pipe for process treatment, so that the washed kettle liquid (water) can be reused; through the sewage treatment equipment that is equipped with, can close first circulation shower, open outer calandria to sewage treatment process for the cauldron liquid (water) after the washing carries out sewage treatment.

3. According to the utility model, the PH detector is arranged on the washing table, so that the kettle liquid (water) can be periodically detected by the PH detector, and the washing effect of the kettle liquid (water) is ensured.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

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

FIG. 2 is a schematic diagram of the structure of the scrubber of FIG. 1 in accordance with the present utility model.

Reference numerals illustrate:

1. a tail gas fan; 2. a washing tower; 3. a washing pump; 4. an alkali water tank; 5. an air inlet pipe; 6. an air collecting pipe; 7. a liquid suction pipe; 8. a first circulation shower; 9. an outer tube; 10. a second circulation shower; 11. a liquid discharge pipe; 12. a main process water pipeline; 13. a shower head set; 14. a filter screen; 15. an exhaust port; 16. a PH detector; 17. a sewage treatment device.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

The embodiment of the utility model discloses tail gas treatment equipment for iron oxide production containing acidic substances.

The utility model provides a tail gas treatment device for ferric oxide production containing acidic substances, which is shown in fig. 1, and comprises a tail gas fan 1, a washing tower 2, a washing pump 3 and an alkaline water tank 4, wherein the output end of the tail gas fan 1 is communicated with the washing tower 2 through an air inlet pipe 5, an air collecting pipe 6 is fixedly arranged at the input end of the tail gas fan 1, the tail end of the air collecting pipe 6 is connected with external tail gas production equipment, the air collecting pipe 6 can collect tail gas of the tail gas production equipment and discharge the tail gas into the washing tower 2 through the air inlet pipe 5, and kettle liquid (water) is arranged in the washing tower 2, so that the tail gas can be purified, and meanwhile, waste heat in the tail gas is exchanged with the kettle liquid (water); the washing tower 2 is fixedly connected with the washing pump 3 through a liquid suction pipe 7, a first circulating spray pipe 8 and an outer drain pipe 9 are fixedly arranged at the output end of the washing pump 3, a sewage treatment device 17 is fixedly connected at the tail end of the outer drain pipe 9, the first circulating spray pipe 8 can be closed, the outer drain pipe 9 is opened to a sewage treatment process, and sewage treatment is carried out on the washed kettle liquid (water); the tail end of the first circulating spray pipe 8 is fixedly connected with the alkaline water tank 4, the alkaline water tank 4 is fixedly connected with the washing tower 2 through the second circulating spray pipe 10, a liquid discharge pipe 11 is fixedly arranged on the side wall of the washing tower 2, a liquid discharge pump fixedly connected with one end of the liquid discharge pipe 11 is fixedly arranged in the washing tower 2, a main process water pipe 12 is fixedly arranged at the tail end of the liquid discharge pipe 11, and the washed kettle liquid (water) can be discharged to the main process water pipe 12 through the liquid discharge pipe 11 for process treatment.

In order to improve the purification treatment effect of the tail gas, as shown in fig. 1-2, a spray header group 13 is fixedly arranged at the top of the washing tower 2, one end of a second circulating spray pipe 10 is fixedly connected with the input end of the spray header group 13, and kettle liquid (water) is sprayed out uniformly by circulating to the inside of the spray header group 13, so that the kettle liquid (water) fully contacts with the tail gas and carries out heat exchange treatment; the top of the washing tower 2 and the upper part of the spray header group 13 are fixedly provided with a filter screen 14, the top of the washing tower 2 is provided with an exhaust port 15, and the purified tail gas is filtered again through the filter screen 14 and is discharged into the air through the exhaust port 15.

Finally, in order to detect the pH value of the tank liquor (water) at any time, as shown in FIG. 2, a PH detector 16 extending into the inside is fixedly installed on the side wall of the washing tower 2, and the PH detector 16 is inserted into the tank liquor (water) in the washing tower 2.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims

1. The utility model provides an iron oxide production tail gas treatment facility for containing acidic material, includes tail gas fan (1), scrubbing tower (2), wash pump (3) and alkali water pitcher (4), its characterized in that, the output of tail gas fan (1) is through intake pipe (5) and scrubbing tower (2) intercommunication setting, the fixed gas-collecting tube (6) that is equipped with of input of tail gas fan (1), through drawing liquid pipe (7) fixed connection between scrubbing tower (2) and the wash pump (3), the fixed first circulation shower (8) and the outer calandria (9) that are equipped with of output of scrubbing pump (3), the end and alkali water pitcher (4) fixed connection of first circulation shower (8), through second circulation shower (10) fixed connection between alkali water pitcher (4) and the scrubbing tower (2), the lateral wall of scrubbing tower (2) is fixed and is equipped with fluid-discharge tube (11), and the terminal trunk line (12) that is equipped with of fluid-discharge tube (11) is fixed.

2. The tail gas treatment equipment for the production of the ferric oxide containing acidic substances according to claim 1, wherein a spray header group (13) is fixedly arranged at the top of the washing tower (2), and one end of the second circulating spray pipe (10) is fixedly connected with the input end of the spray header group (13).

3. The tail gas treatment equipment for the production of the ferric oxide containing acidic substances according to claim 2, wherein a filter screen (14) is fixedly arranged at the top of the washing tower (2) and above the spray header group (13), and an exhaust port (15) is arranged at the top of the washing tower (2).

4. The tail gas treatment equipment for the production of iron oxide containing acidic substances according to claim 1, wherein the side wall of the washing tower (2) is fixedly provided with a PH detector (16) which extends into the inside.

5. The tail gas treatment plant for the production of iron oxide containing acidic substances according to claim 1, characterized in that the end of the gas receiving pipe (6) is connected to an external tail gas production plant.

6. The tail gas treatment equipment for the production of the ferric oxide containing acidic substances according to claim 1, wherein the tail end of the outer drain pipe (9) is fixedly connected with a sewage treatment equipment (17).

7. The tail gas treatment equipment for the production of the ferric oxide containing acidic substances according to claim 1, wherein a liquid discharge pump fixedly connected with one end of a liquid discharge pipe (11) is fixedly arranged in the washing tower (2).