CN216935459U

CN216935459U - Tail gas treatment equipment for petrochemical

Info

Publication number: CN216935459U
Application number: CN202220803887.8U
Authority: CN
Inventors: 杨锋
Original assignee: Dongying Aoxing Petroleum Chemical Co ltd
Current assignee: Dongying Aoxing Petroleum Chemical Co ltd
Priority date: 2022-04-08
Filing date: 2022-04-08
Publication date: 2022-07-12
Anticipated expiration: 2032-04-08

Abstract

The utility model belongs to the technical field of petrochemical industry, and particularly relates to tail gas treatment equipment for petrochemical industry, which aims at solving the problems that the whole device proposed by the background art is complex in structure, high in equipment cost and incomplete in tail gas purification. According to the utility model, water and the gas neutralizer are mixed through the mixing and stirring box, and then the mixed solution is sprayed into the box body through the atomizing box, so that the dust removal and purification of the tail gas are integrated, the structure is simple, the equipment cost is low, the distance of the tail gas flowing in the box body can be increased through the upper baffle and the lower baffle which are symmetrically distributed and are respectively arranged on the inner wall of the box body, the reaction time of the gas neutralizer and the tail gas is prolonged, and the thorough purification of the tail gas is realized.

Description

Tail gas treatment equipment for petrochemical

Technical Field

The utility model relates to the technical field of petrochemical industry, in particular to tail gas treatment equipment for petrochemical industry.

Background

Petrochemical industry, also known as petrochemical industry, refers to the field of chemical industry in which petroleum is used as a raw material to produce chemicals, and broadly includes the chemical industry of natural gas. Petrochemical industry of the petrochemical industry limited company of China as a new industry is developed along with the development of the petroleum refining industry in the 20 th century and is grown during the world war II.

Through the search, the patent (application number: 202021359519.6) discloses "a petrochemical tail gas treatment equipment", the utility model discloses the petrochemical tail gas that needs to be handled gets into the dust fall case from the air inlet, and the shower pipe in the dust fall case and spray pipe spout atomizing cold water from the atomizing orifice and carry out whole cooling and dust fall processing for the petrochemical tail gas that needs to be handled, but should use novel well to the dust removal of tail gas and purify to be separated, this causes whole device structure complicacy, equipment cost is high, and the space that the part that tail gas was handled in the whole device simultaneously is little, causes gaseous neutralizer to have already discharged outdoor before thoroughly purifying tail gas easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides tail gas treatment equipment for petrochemical industry.

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

the tail gas treatment equipment for the petrochemical industry comprises a box body, wherein an atomization cleaning mechanism is arranged on the outer wall of the top of the box body, and the atomization cleaning mechanism comprises a mixing stirring box arranged at the top of the box body, liquid inlet pipes which are connected to the outer wall of the bottom of the mixing stirring box and distributed at equal intervals, a first electromagnetic valve arranged on the outer wall of the liquid inlet pipe, an atomization box connected to the outer wall of the bottom of the liquid inlet pipe, and spray heads which are arranged on the outer wall of the bottom of the atomization box and distributed at equal intervals;

the separation mechanism is arranged in the box body and comprises an upper baffle plate, a lower baffle plate and cooling fins, wherein the upper baffle plate is arranged on the inner wall of the top of the box body and is symmetrically distributed, the lower baffle plate is arranged on the inner wall of one side of the box body and is symmetrically distributed, and the cooling fins are welded on the outer walls of the upper baffle plate and the lower baffle plate.

Preferably, the inner wall of the bottom of the box body is provided with a sewage tank, the inner wall of the bottom of the sewage tank is connected with a water outlet pipe, and the outer wall of the water outlet pipe is provided with a second electromagnetic valve.

Preferably, the outer wall of one side of the box body is positioned between the upper baffle and the sewage pool and is provided with an air inlet pipe, and the inner wall of the air inlet pipe is provided with a filter screen.

Preferably, the outer wall of the other side of the box body is positioned between the lower baffle and the sewage tank and is provided with an air outlet pipe, and the inner wall of the air outlet pipe is provided with an axial flow fan.

Preferably, the outer wall of one side of the mixing and stirring box is welded with symmetrically distributed fixed plates, and the outer wall of one end of each fixed plate is welded on the outer wall of one side of the box body.

Preferably, one side of the outer wall of the top of the mixing and stirring box is connected with a water inlet pipe, and the other side of the outer wall of the top of the mixing and stirring box is connected with a feeding pipe.

Preferably, the outer wall of the top of the box body is provided with mounting ports distributed at equal intervals, and the atomization box is mounted on the inner wall of the mounting ports.

The utility model has the beneficial effects that:

1. according to the tail gas treatment equipment for petrochemical industry, water and a gas neutralizer are mixed through the mixing and stirring box, and then the mixed liquid is sprayed into the box body through the atomization box, so that the tail gas is dedusted and purified to form a whole, the structure is simple, and the equipment cost is low;

2. this tail gas treatment equipment for petrochemical through the overhead gage of the symmetric distribution that the inner wall at the box set up respectively with baffle down, can increase the distance that tail gas flows in box inside, improved the time of gaseous neutralizer and tail gas reaction, realized the thorough purification of tail gas.

Drawings

FIG. 1 is a front view of the overall structure of a petrochemical tail gas treatment device according to the present invention;

FIG. 2 is a back view of the overall structure of a petrochemical tail gas treatment device according to the present invention;

FIG. 3 is a schematic view of the internal structure of a tank of the petrochemical tail gas treatment equipment provided by the utility model;

fig. 4 is a schematic view of a connection structure of an atomization box of the petrochemical tail gas treatment equipment provided by the utility model.

In the figure: the device comprises a box body 1, an atomization cleaning mechanism 2, a mixing and stirring box 21, a liquid inlet pipe 22, a first electromagnetic valve 23, an atomization box 24, a spray head 25, a separation mechanism 3, an upper baffle 31, a lower baffle 32, a cooling fin 33, a sewage pool 4, a water outlet pipe 5, a second electromagnetic valve 6, an air inlet pipe 7, a filter screen 8, an air outlet pipe 9, an axial flow fan 10, a fixing plate 11, a water inlet pipe 12 and a water inlet pipe 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Embodiment 1, referring to fig. 1 to 3, a petrochemical tail gas treatment device includes a tank 1, in order to discharge sewage conveniently, a sewage tank 4 is installed on an inner wall of a bottom of the tank 1, a water outlet pipe 5 is connected to an inner wall of a bottom of the sewage tank 4, and a second electromagnetic valve 6 is installed on an outer wall of the water outlet pipe 5;

in order to prevent large particles from entering the box body 1, an air inlet pipe 7 is arranged on the outer wall of one side of the box body 1 between the upper baffle plate 31 and the sewage pool 4, and a filter screen 8 is arranged on the inner wall of the air inlet pipe 7;

in order to discharge purified gas conveniently, an air outlet pipe 9 is arranged on the outer wall of the other side of the box body 1 between the lower baffle 32 and the sewage tank 4, and an axial flow fan 10 is arranged on the inner wall of the air outlet pipe 9;

in order to ensure the stability of the mixing and stirring box 21, the outer wall of one side of the mixing and stirring box 21 is welded with the fixed plates 11 which are symmetrically distributed, and the outer wall of one end of each fixed plate 11 is welded on the outer wall of one side of the box body 1;

in order to ensure normal water inlet and feeding, one side of the outer wall of the top of the mixing and stirring box 21 is connected with a water inlet pipe 12, and the other side of the outer wall of the top of the mixing and stirring box 21 is connected with a feeding pipe 13;

for describing the installation position of the atomization box 24, the outer wall of the top of the box body 1 is provided with installation openings distributed at equal intervals, and the atomization box 24 is installed on the inner wall of the installation openings.

Embodiment 2, referring to fig. 1 to 4, this embodiment is optimized on the basis of embodiment 1, specifically:

1 top outer wall of box is provided with atomizing clearance mechanism 2, and atomizing clearance mechanism 2 is including mixing agitator tank 21, feed liquor pipe 22, first solenoid valve 23, atomizer box 24, shower nozzle 25, the feed liquor pipe 22 that the equidistance distributes is connected on mixing agitator tank 21's bottom outer wall, first solenoid valve 23 is installed on feed liquor pipe 22's outer wall, atomizer box 24 is connected on feed liquor pipe 22's bottom outer wall, the shower nozzle 25 that the equidistance distributes is installed on atomizer box 24's bottom outer wall, mix water and gaseous neutralizer through mixing agitator tank 21, spray mixed liquid by atomizer box 24 again to box 1 in, make the dust removal and the purification of tail gas form a whole, moreover, the steam generator is simple in structure, the equipment cost is low.

Embodiment 3, referring to fig. 3, this embodiment is optimized based on embodiment 1, specifically:

the inside separation mechanism 3 that is provided with of box 1, and separation mechanism 3 includes overhead gage 31, lower baffle 32, cooling fin 33, the lower baffle 32 of symmetric distribution is installed on one side inner wall of box 1, cooling fin 33 welds on the outer wall of overhead gage 31 and lower baffle 32, the overhead gage 31 and the lower baffle 32 through the symmetric distribution that sets up respectively at the inner wall of box 1, can increase the distance that tail gas flows in box 1 inside, the time of gaseous neutralizer and tail gas reaction has been improved, the thorough purification of tail gas has been realized.

The working principle is as follows: gaseous neutralizer enters into mixing agitator tank 21 from inlet pipe 13 in, water enters into mixing agitator tank 21 from inlet tube 12 in, tail gas at first enters into box 1 from intake pipe 7, under the condition that first solenoid valve 23 opened, mixed liquid can flow into in the atomizer tank 24, realize dust fall and purification to tail gas through the shower nozzle 25 of atomizer tank 24 bottom, last baffle 31 and the lower baffle 32 through the symmetric distribution that sets up respectively at the inner wall of box 1, can increase the distance that tail gas flows in box 1 inside, improve the time of gaseous neutralizer and tail gas reaction, tail gas after the purification is discharged along outlet duct 9 under axial fan 10's effect, sewage after the neutralization can flow into effluent water sump 4, outlet pipe 5 through the effluent water sump 4 bottom flows out.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The tail gas treatment equipment for the petrochemical industry comprises a box body (1) and is characterized in that an atomization cleaning mechanism (2) is arranged on the outer wall of the top of the box body (1), and the atomization cleaning mechanism (2) comprises a mixing stirring box (21) arranged on the top of the box body (1), liquid inlet pipes (22) which are connected to the outer wall of the bottom of the mixing stirring box (21) and distributed equidistantly, a first electromagnetic valve (23) arranged on the outer wall of the liquid inlet pipe (22), an atomization box (24) connected to the outer wall of the bottom of the liquid inlet pipe (22), and spray heads (25) which are arranged on the outer wall of the bottom of the atomization box (24) and distributed equidistantly;

the separation mechanism (3) is arranged inside the box body (1), and the separation mechanism (3) comprises upper baffles (31) which are symmetrically distributed and arranged on the inner wall of the top of the box body (1), lower baffles (32) which are symmetrically distributed and arranged on the inner wall of one side of the box body (1), and cooling fins (33) welded on the outer walls of the upper baffles (31) and the lower baffles (32).

2. The petrochemical tail gas treatment equipment according to claim 1, wherein a sewage tank (4) is installed on the inner wall of the bottom of the tank body (1), a water outlet pipe (5) is connected to the inner wall of the bottom of the sewage tank (4), and a second electromagnetic valve (6) is installed on the outer wall of the water outlet pipe (5).

3. The petrochemical tail gas treatment equipment according to claim 1, wherein an air inlet pipe (7) is installed on the outer wall of one side of the box body (1) between the upper baffle (31) and the sewage tank (4), and a filter screen (8) is installed on the inner wall of the air inlet pipe (7).

4. The petrochemical engineering tail gas treatment equipment according to claim 1, wherein an air outlet pipe (9) is installed on the outer wall of the other side of the box body (1) between the lower baffle (32) and the sewage tank (4), and an axial flow fan (10) is installed on the inner wall of the air outlet pipe (9).

5. The petrochemical tail gas treatment equipment according to claim 1, wherein the outer wall of one side of the mixing and stirring tank (21) is welded with symmetrically distributed fixing plates (11), and the outer wall of one end of each fixing plate (11) is welded on the outer wall of one side of the tank body (1).

6. The petrochemical tail gas treatment equipment according to claim 1, wherein one side of the outer wall of the top of the mixing and stirring tank (21) is connected with a water inlet pipe (12), and the other side of the outer wall of the top of the mixing and stirring tank (21) is connected with a feeding pipe (13).

7. The petrochemical tail gas treatment equipment according to claim 1, wherein the outer wall of the top of the tank body (1) is provided with mounting ports distributed at equal intervals, and the atomization tank (24) is mounted on the inner wall of the mounting ports.