CN211111895U - Separation device for mother liquor entrained in acid gas after coke oven gas washing - Google Patents
Separation device for mother liquor entrained in acid gas after coke oven gas washing Download PDFInfo
- Publication number
- CN211111895U CN211111895U CN201921708483.5U CN201921708483U CN211111895U CN 211111895 U CN211111895 U CN 211111895U CN 201921708483 U CN201921708483 U CN 201921708483U CN 211111895 U CN211111895 U CN 211111895U
- Authority
- CN
- China
- Prior art keywords
- separator
- gas
- sour gas
- mother liquor
- tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Industrial Gases (AREA)
Abstract
A separation device for mother liquor entrained in acid gas after coke oven gas washing belongs to the technical field of coke oven gas treatment equipment and is used for separating the mother liquor entrained in the acid gas after coke oven gas washing. The technical scheme is as follows: the cylinder upper end of separator is sealed, and the lower extreme is the circular cone, and the welding has the sour gas input tube on the upper portion lateral wall of separator, and the welding has the sour gas output tube on the top surface of separator, and sour gas input tube and sour gas output tube are connected with sour gas pipeline and sour gas separation back pipeline through the flange respectively, and the fluid-discharge tube is connected to the circular cone bottom of lower extreme of separator, still is connected with the ammonia input tube on the lateral wall on separator upper portion. The utility model has the advantages of being simple in structure and reliable in operation, convenient operation, respond well, can carry out effective separation with the mother liquor smuggleing secretly in the sour gas, reduced the degree of corrosion of pipeline and equipment, improved the sulphuric acid product concentration by sour gas production, improved the economic benefits of enterprise.
Description
Technical Field
The utility model relates to a device for separating mother liquor carried in acid gas after coke oven gas washing, which belongs to the technical field of coke oven gas treatment equipment.
Background
In the process of coke oven gas purification, the cooled coke oven gas is washed in a gas washing tower by using washing solutions such as ammonia evaporation wastewater, deacidification barren solution and the like, and NH in a rich solution is evaporated by using steam after the washed rich solution passes through an ammonia evaporation deacidification system3、H2S、NCN、CO2And water vapor, the acid gas is first sent to a saturator in the ammonium sulfate production process to produce ammonium sulfate. Adding sulfuric acid into an ammonium sulfate saturator, and adding the sulfuric acid and NH in acid gas under the action of stirring wind3And carrying out reaction to generate an ammonium sulfate product. The acid gas from the ammonium sulfate saturator is sent to the sulfuric acid production process, and H in the acid gas is utilized2S to produce sulfuric acid. A small amount of mother liquor is carried in acid gas discharged from an ammonium sulfate saturator, and when the mother liquor is sent to a sulfuric acid production process, pipelines and equipment for conveying can be corroded; secondly, the acid gas is left in the pipeline to influence the normal passing of the acid gas; thirdly, the temperature of the incinerator can be reduced when the incinerator for producing sulfuric acid is burnt; fourthly, the concentration of the sulfuric acid product is reduced. For this reason, the mother liquor in the acid gas needs to be separated, and there is no special device for separating the mother liquor entrained in the acid gas at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a separator of mother liquor is smugglied secretly in the sour gas after providing a coke oven gas washing, this kind of device can separate the mother liquor smugglied secretly in the sour gas that produces behind the coke oven gas washing, and the mother liquor of separation is discharged from the fluid-discharge tube, sends to coke oven production workshop section, and the sour gas of detaching the mother liquor has laid good basis for subsequent sulphuric acid production.
The technical scheme for solving the technical problems is as follows:
the utility model provides a separator of mother liquor is smugglied secretly in sour gas after coke oven gas washing, it includes the separator, the sour gas input tube, sour gas output tube, the fluid-discharge tube, the ammonia input pipe, the separator is the cylinder, the cylinder upper end of separator is sealed, the lower extreme is the circular cone, the welding has the sour gas input tube on the upper portion lateral wall of separator, the welding has sour gas output tube on the top surface of separator, sour gas output tube inserts the two-thirds high department of separator cylinder, sour gas input tube and sour gas output tube are connected with sour gas pipeline and sour gas separation back pipeline through the flange respectively, the fluid-discharge tube is connected to the circular cone bottom of lower extreme of separator, still be connected with the ammonia input tube on the lateral wall on separator upper portion.
According to the separation device for the mother liquor entrained in the acid gas after the coke oven gas is washed, the ammonia water input pipe is a U-shaped pipe, one end of the ammonia water input pipe is connected with the side wall of the upper part of the separator, and the other end of the ammonia water input pipe is connected with the hot ammonia water pipeline.
The separation device for the mother liquor entrained in the acid gas after the coke oven gas is washed is characterized in that a plug valve is arranged on a liquid discharge pipe at the lower end of the separator.
The utility model has the advantages that:
the acid gas with the mother liquor enters the separator from an acid gas input pipe at the upper part of the separator, the mother liquor carried in the acid gas is separated from the acid gas, and the acid gas is sent to a sulfuric acid production process from an acid gas output pipe to produce sulfuric acid; discharging the separated mother liquor from a liquid discharge pipe, flowing into a condensate tank, and conveying to a coke oven production section for cooling the raw coke oven gas; hot ammonia water is introduced into the separator, so that a liquid discharge pipe can be kept smooth.
The utility model has the advantages of being simple in structure and reliable in operation, convenient operation, respond well, can carry out effective separation with the mother liquor smuggleing secretly in the sour gas, reduced the degree of corrosion of pipeline and equipment, improved the sulphuric acid product concentration by sour gas production, improved the economic benefits of enterprise.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
The figures are labeled as follows: separator 1, sour gas input tube 2, sour gas output tube 3, fluid-discharge tube 4, ammonia input tube 5, plug valve 6.
Detailed Description
The utility model comprises a separator 1, an acid gas input pipe 2, an acid gas output pipe 3, a liquid discharge pipe 4, an ammonia water input pipe 5 and a plug valve 6.
The figure shows that the separator 1 is a cylinder, the upper end of the cylinder of the separator 1 is closed and the lower end is conical.
The figure shows that an acid gas input pipe 2 is welded on the upper side wall of the separator 1, and the acid gas input pipe 2 is connected with an acid gas conveying pipeline through a flange. The NH is consumed after the reaction of the ammonium sulfate saturator3The acid gas enters the tank body of the separator 1 through the acid gas input pipe 2, and gas-liquid separation is performed in the tank body of the separator 1. The acid gas tangentially enters the separator 1, the cyclone separation principle is utilized, the acid gas is pumped out by an acid gas fan at the sulfuric acid section of the next working procedure, the condensate is naturally separated along the wall of the separator, and the separated condensate flows into the bottom along the wall of the separator 1 and enters the liquid discharge pipe 4.
The figure shows that an acid gas output pipe 3 is welded on the top surface of the separator 1, the acid gas output pipe 3 is inserted into the two thirds height of the cylinder body of the separator 1, and the acid gas output pipe 3 is connected with a post-acid gas separation pipeline through a flange. After the mother liquid carried in the acid gas is removed, the acid gas is sent to the sulfuric acid production process from the acid gas output pipe 3, and H in the acid gas is utilized2S producing sulfuric acid products.
The figure shows that the conical bottom end of the lower end of the separator 1 is connected with a liquid discharge pipe 4, and mother liquor separated from acid gas flows to a condensate tank of a sulfuric acid working section from the liquid discharge pipe 4 and then is sent to a coke oven for cooling coke oven gas. Install plug valve 6 on fluid-discharge tube 4, plug valve 6 is the discharge valve of the liquid under the control separation, when overhauing fluid-discharge tube 4, closes the plug, prevents that sour gas from discharging from fluid-discharge tube 4, handles good back, in time opens plug valve 6, resumes normal flowing back.
The figure shows that an ammonia water input pipe 5 is connected to the side wall of the upper part of the separator 1, hot ammonia water of about 70 ℃ is introduced from the circulating ammonia water pipeline in the region nearby, the purpose is to heat, dilute and flush separated mother liquor, the separated mother liquor is flushed away in time, a liquid discharge pipe 4 is kept smooth, and the situation that the normal operation of the acid gas separation device is influenced due to the fact that the mother liquor is gathered to block the liquid discharge pipe 4 is prevented. The ammonia water input pipe 5 is a U-shaped pipe which can play a role of liquid seal for the entering ammonia water.
The utility model discloses an embodiment as follows:
the diameter of the cylinder of the separator 1 is 800mm, and the height is 2400 mm;
the diameter of the acid gas input pipe 2 is 400 mm;
the diameter of the acid gas output pipe 3 is 400 mm;
the diameter of the drain pipe 4 is 100 mm;
the diameter of the ammonia water input pipe 5 is 20mm, and the length of the U shape is 8200 mm;
the model number of the plug valve 6 is DN 100.
Claims (3)
1. A separation device for mother liquor entrained in acid gas after coke oven gas washing is characterized in that: it includes separator (1), sour gas input tube (2), sour gas output tube (3), fluid-discharge tube (4), ammonia input pipe (5), separator (1) is the cylinder, the cylinder upper end of separator (1) is sealed, the lower extreme is the circular cone, the welding has sour gas input tube (2) on the upper portion lateral wall of separator (1), the welding has sour gas output tube (3) on the top surface of separator (1), two-thirds high department that sour gas output tube (3) inserted separator (1) cylinder, sour gas input tube (2) and sour gas output tube (3) are connected with sour gas conveying pipeline and sour gas separation back pipeline through the flange respectively, fluid-discharge tube (4) are connected to the circular cone bottom of lower extreme of separator (1), still be connected with ammonia input tube (5) on the lateral wall on separator (1) upper portion.
2. The separation device for the mother liquor entrained in the acid gas after the coke oven gas washing as claimed in claim 1, is characterized in that: the ammonia water input pipe (5) is a U-shaped pipe, one end of the ammonia water input pipe (5) is connected with the side wall of the upper part of the separator (1), and the other end of the ammonia water input pipe (5) is connected with a hot ammonia water pipeline.
3. The separation device for the mother liquor entrained in the acid gas after the coke oven gas washing as claimed in claim 1, is characterized in that: a plug valve (6) is arranged on a liquid discharge pipe (4) at the lower end of the separator (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921708483.5U CN211111895U (en) | 2019-10-13 | 2019-10-13 | Separation device for mother liquor entrained in acid gas after coke oven gas washing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921708483.5U CN211111895U (en) | 2019-10-13 | 2019-10-13 | Separation device for mother liquor entrained in acid gas after coke oven gas washing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211111895U true CN211111895U (en) | 2020-07-28 |
Family
ID=71693395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921708483.5U Active CN211111895U (en) | 2019-10-13 | 2019-10-13 | Separation device for mother liquor entrained in acid gas after coke oven gas washing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211111895U (en) |
-
2019
- 2019-10-13 CN CN201921708483.5U patent/CN211111895U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104058538B (en) | A kind of processing method of wastewater stripping depickling deamination | |
| CN106587233B (en) | A kind of method of comprehensive utilization of coal chemical industry gasification Heisui River high temperature flashed vapour | |
| CN107176640A (en) | A kind of low-temperature negative-pressure deamination system and device based on fluid jet principle | |
| CN103252158A (en) | Desulfurization system and desulfurization process thereof | |
| CN108862210B (en) | Sulfuric acid concentration system and process | |
| CN104030514B (en) | A kind of processing method of dual-effect energy-saving wastewater stripping depickling deamination | |
| CN201658945U (en) | Sintering flue gas purification system based on heat pipe waste heat recovery technology | |
| CN102154022B (en) | Process and device for recycling coked ammonium sulfate acid tar | |
| CN101760251B (en) | New water-saving, energy-saving and less-equipment corrosion process and device for purifying coke oven gas | |
| CN211111895U (en) | Separation device for mother liquor entrained in acid gas after coke oven gas washing | |
| CN201191145Y (en) | Waste heat utilization apparatus for pyrite slag | |
| CN209081467U (en) | A kind of energy-efficient transformation condensate liquid stripping deamination apparatus | |
| CN109647160B (en) | Method for treating tail gas of ammonium sulfate mother liquor circulation tank | |
| CN205953633U (en) | Be applicable to chemical industry waste lye catalytic oxidation desulfurization process device | |
| CN217323421U (en) | Negative pressure ammonia distillation system for low-grade energy utilization of coking plant | |
| CN203928768U (en) | A kind of slag cooler that adopts water pipe | |
| CN207192852U (en) | A kind of low-temperature negative-pressure deamination system and device based on fluid jet principle | |
| CN104962322B (en) | Coke oven gas purification system | |
| CN212609569U (en) | Equipment for concentrating high-temperature flue gas waste acid in titanium dioxide production by sulfuric acid method | |
| CN205461089U (en) | Gasification buck low pressure flash distillation heat utilization device | |
| CN106365177B (en) | A kind of method that flash distillation prepares ammonium nitrate concentrated solution | |
| CN110017474B (en) | Water washing process after chemical cleaning of boiler | |
| CN203959829U (en) | Separating tank for process for preparation of CS 2 molten sulfur | |
| CN201906547U (en) | Diluted ammonia water concentrating absorption tower | |
| CN203612971U (en) | Ammonia distillation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |