CN210410198U

CN210410198U - Acid gas bypass adjusting structure

Info

Publication number: CN210410198U
Application number: CN201921135547.7U
Authority: CN
Inventors: 代连防; 白永刚; 段好生; 刘建民; 王海军; 谢树勇; 赵庆林; 王振源; 柴鹏; 冀明亮; 马月江; 孙宝东; 姜元一
Original assignee: Cangzhou China Railway Equipment Manufacturing Materials Co Ltd
Current assignee: Cangzhou China Railway Equipment Manufacturing Materials Co Ltd
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2020-04-28
Anticipated expiration: 2029-07-19

Abstract

The utility model discloses an acid gas bypass adjusting structure, which comprises a dry desulfurization and denitrification acid gas equipment body, wherein a main pipe is arranged on the dry desulfurization and denitrification acid gas equipment body, a control valve is arranged on the main pipe, a branch pipe is arranged on the main pipe, a fixed plate is arranged in the branch pipe, a through hole is arranged in the fixed plate, a fixed block is arranged in the branch pipe, a slide bar is slidably connected in the fixed block, one end of the slide bar passes through the fixed block to be connected with a press block, the press block is in contact connection with the fixed plate, the acid gas bypass adjusting structure can close the main pipeline when emergency shutdown is met in an acid making area, the acid gas is led to the treatment box from the branch pipe for purification, the emission standard of environmental protection requirements is ensured, this acid gas bypass adjustment can conveniently change the purification layer to two-layer about purifying the layer and being equipped with, conveniently carry out abundant purification to it.

Description

Acid gas bypass adjusting structure

Technical Field

The utility model relates to an acid gas bypass adjustment technical field specifically is an acid gas bypass adjustment structure.

Background

Science and technology nouns define Chinese names: acid gas, definition: gases such as sulfur oxides, nitrogen oxides, hydrogen sulfide, and carbon dioxide generated in the coal conversion process, but the acid gas bypass adjustment in the prior art has the following disadvantages.

The existing acid gas bypass adjustment is to carry out acid making emergency shutdown and emergency disposal of the gas to be analyzed, 20(30) the unit acid gas original acid making emergency shutdown and the emergency disposal of the gas to be analyzed are to close a main valve of a main pipeline for acid making and acid gas removal firstly, when the bypass valve is opened to pass through the bypass pipeline, the acid gas is discharged into the air from the main flue pipe, in the emergency treatment scheme of the condition, the discharge data of the outlet of the flue gas is in a serious overproof state, 20(30) the unit acid gas bypass adjusting pipeline is led from UV-2061 to a tail gas pipeline of an acid making unit, and finally enters the inlet flue of the booster fan with 20 units or 30 units, when the acid making unit fails, acid gas is introduced into the inlet of the booster fan by switching the acid gas valve, and the acid gas is prevented from being directly discharged into the air from the main chimney by the process circulation of the regeneration and purification unit.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an acid gas bypass adjustment structure to solve when the sour region of system meets emergency shutdown, the problem of polluted environment in the acid gas direct emission atmosphere.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an acid gas bypass adjustment structure, includes dry process SOx/NOx control acid gas equipment body, be equipped with the person in charge on the dry process SOx/NOx control acid gas equipment body, be equipped with the control valve on being responsible for, be equipped with the branch pipe on being responsible for, be equipped with the fixed plate in the branch pipe, be equipped with the through-hole in the fixed plate, be equipped with the fixed block in the branch pipe, sliding connection has the slide bar in the fixed block, the one end of slide bar is passed the fixed block and is connected with the briquetting, the briquetting is connected with the fixed plate contact, the spring has been cup jointed on the slide bar, the other end of.

Preferably, the purification box is provided with an air outlet, a support plate is arranged in the purification box, and the lower end of the support plate is provided with an I-shaped block.

Preferably, an alkaline filler layer is connected in the I-shaped block in a sliding manner, an activated carbon layer is arranged at the lower end of the alkaline filler layer, a hydrophobic crystalline silica molecular sieve layer is arranged at the lower end of the activated carbon layer, and a pressing plate is arranged on the outer side of the hydrophobic crystalline silica molecular sieve layer.

Preferably, the pressing plate is in contact connection with the purification box, an elastic clamping head is arranged on the pressing plate, and the elastic clamping head is connected in the purification box in a sliding mode through an elastic clamping groove.

Preferably, the elastic clamping head is made of a regular hexagonal rubber material, and the elastic clamping groove is regular hexagonal.

Compared with the prior art, the beneficial effects of the utility model are that: 1. this acid gas bypass adjustment structure can be when the acid making region meets emergency shutdown, closes the trunk line, and acid gas leads to from the branch pipe to handle the case and purifies, has guaranteed the emission standard that the environmental protection required.

2. This acid gas bypass adjustment structure can conveniently change the purification layer to two-layer about purifying the layer and being equipped with, conveniently carry out abundant purification to it.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is an enlarged view of the position a of the present invention.

In the figure: 1 equipment body for dry desulfurization and denitrification of acid gas, 11 main pipes, 12 control valves, 13 branch pipes, 21 fixing plates, 22 through holes, 23 fixing blocks, 24 sliding rods, 25 pressing blocks, 26 springs, 27 limiting blocks, 31 purification boxes, 32 air outlets, 33 supporting plates, 34I-shaped blocks, 35 alkaline filler layers, 36 activated carbon layers, 37 hydrophobic crystalline silica molecular sieve layers, 38 pressing plates, 39 elastic clamping heads and 310 elastic clamping grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: the utility model provides an acid gas bypass adjustment structure, including dry desulfurization denitration acid gas equipment body 1, be equipped with on dry desulfurization denitration acid gas equipment body 1 and be responsible for 11, be equipped with control valve 12 on being responsible for 11, be equipped with branch pipe 13 on being responsible for 11, be equipped with fixed plate 21 in the branch pipe 13, be equipped with through-hole 22 in the fixed plate 21, be equipped with fixed block 23 in the branch pipe 13, sliding connection has slide bar 24 in the fixed block 23, slide bar 24 can slide in fixed block 23 and compress spring 26, slide bar 24's one end is passed fixed block 23 and is connected with briquetting 25, briquetting 25 is connected with the contact of fixed plate 21, briquetting 25 can cover through-hole 22 completely, spring 26 has been cup jointed on slide bar 24, slide bar 24's the other end passes fixed block 23 and is.

Referring to fig. 1, an air outlet 32 is disposed on the purifying box 31, a support plate 33 is disposed in the purifying box 31, the support plate 33 can fix an i-shaped block 34, and the lower end of the support plate 33 is disposed with the i-shaped block 34.

Referring to fig. 1, an alkaline filler layer 35 is slidably connected in the i-shaped block 34, an activated carbon layer 36 is arranged at the lower end of the alkaline filler layer 35, a hydrophobic crystalline silica molecular sieve layer 37 is arranged at the lower end of the activated carbon layer 36, the alkaline filler layer 35, the activated carbon layer 36 and the hydrophobic crystalline silica molecular sieve layer 37 can sufficiently purify harmful gas, a pressing plate 38 is arranged on the outer side of the hydrophobic crystalline silica molecular sieve layer 37, the alkaline filler layer 35, the activated carbon layer 36 and the hydrophobic crystalline silica molecular sieve layer 37 can be inserted into and pass through the i-shaped block 34, and the alkaline filler layer 35, the activated carbon layer 36 and the hydrophobic crystalline silica molecular sieve layer 37 are provided with a left layer and a right layer.

Referring to fig. 1, the pressing plate 38 is in contact connection with the purification box 31, an elastic chuck 39 is disposed on the pressing plate 38, the elastic chuck 39 is inserted into the elastic slot 310 to fix the position of the pressing plate 38, and the elastic chuck 39 is slidably connected to the purification box 31 through the elastic slot 310.

Referring to fig. 1, the elastic clip 39 is made of a regular hexagonal rubber material, and the elastic slot 310 is in a regular hexagonal shape.

The utility model discloses when concrete implementation: when the acid making unit has a fault, the control valve 12 is closed, the main pipe 11 is closed, the acid gas flows from the branch pipe 13 at the moment, when the pressure is too high, the pressing block 25 is pushed upwards, the pressing block 25 is lifted from the fixing plate 21, the sliding rod 24 slides in the fixing block 23 to compress the spring 26, the acid gas can penetrate out of the through hole 22, the acid gas can enter the purifying box 31 through the branch pipe 13, is purified twice through the alkaline filler layer 35, the activated carbon layer 36 and the hydrophobic crystalline silica molecular sieve layer 37 and then flows out of the air outlet 32, when the purifying layers of the alkaline filler layer 35, the activated carbon layer 36 and the hydrophobic crystalline silica molecular sieve layer 37 need to be replaced, the pressing plate 38 can be pulled outwards to enable the elastic clamping head 39 on the pressing plate 38 to be taken out of the elastic clamping groove 310 in the purifying box 31, and the alkaline filler layer 35, the activated carbon layer 36 and the hydrophobic crystalline silica molecular sieve layer 37 can be taken out of the I-shaped block 34 until the purifying layer The box 31 is replaced by a new alkaline filler layer 35, an activated carbon layer 36 and a hydrophobic crystalline silica molecular sieve layer 37 and is inserted into the I-shaped block 34 again until the elastic clamping heads 39 on the pressing plate 38 are inserted into the elastic clamping grooves 310 to fix the position of the pressing plate 38.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an acid gas bypass adjustment structure, includes dry process SOx/NOx control acid gas equipment body (1), its characterized in that: be equipped with on dry process SOx/NOx control acid gas equipment body (1) and be responsible for (11), be equipped with control valve (12) on being responsible for (11), be equipped with branch pipe (13) on being responsible for (11), be equipped with fixed plate (21) in branch pipe (13), be equipped with through-hole (22) in fixed plate (21), be equipped with fixed block (23) in branch pipe (13), sliding connection has slide bar (24) in fixed block (23), the one end of slide bar (24) is passed fixed block (23) and is connected with briquetting (25), briquetting (25) are connected with fixed plate (21) contact, spring (26) have been cup jointed on slide bar (24), the other end of slide bar (24) passes fixed block (23) and is connected with stopper (27), the other end and purifying box (31) of branch pipe (13) are connected.

2. The acid gas bypass trim arrangement of claim 1, wherein: the air purification device is characterized in that an air outlet (32) is formed in the purification box (31), a support plate (33) is arranged in the purification box (31), and an I-shaped block (34) is arranged at the lower end of the support plate (33).

3. The acid gas bypass trim arrangement of claim 2, wherein: an alkaline packing layer (35) is connected in the I-shaped block (34) in a sliding mode, an activated carbon layer (36) is arranged at the lower end of the alkaline packing layer (35), a hydrophobic crystalline silica molecular sieve layer (37) is arranged at the lower end of the activated carbon layer (36), and a pressing plate (38) is arranged on the outer side of the hydrophobic crystalline silica molecular sieve layer (37).

4. The acid gas bypass trim arrangement of claim 3, wherein: the pressing plate (38) is in contact connection with the purification box (31), an elastic clamping head (39) is arranged on the pressing plate (38), and the elastic clamping head (39) is connected into the purification box (31) in a sliding mode through an elastic clamping groove (310).

5. The acid gas bypass trim arrangement of claim 4, wherein: the elastic clamping head (39) is made of a regular hexagonal rubber material, and the elastic clamping groove (310) is in a regular hexagon shape.