CN218047276U - Processing system of clean inferior sodium salt of giving up of acetylene gas - Google Patents
Processing system of clean inferior sodium salt of giving up of acetylene gas Download PDFInfo
- Publication number
- CN218047276U CN218047276U CN202221288273.7U CN202221288273U CN218047276U CN 218047276 U CN218047276 U CN 218047276U CN 202221288273 U CN202221288273 U CN 202221288273U CN 218047276 U CN218047276 U CN 218047276U
- Authority
- CN
- China
- Prior art keywords
- tower
- sodium hypochlorite
- clean
- gas
- liquid outlet
- 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
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The utility model belongs to the technical field of acetylene production, specifically disclose a processing system of inferior sodium of detergency acetylene gas institute produced useless, a serial communication port, including clean system, venturi, inferior sodium storage tank, alkali lye absorption tower and dilute alkali intertank. The utility model has the advantages that: the utility model has simple structure and easy realization; the emptying pipe of the sodium hypochlorite storage tank is connected into the alkali liquor absorption tower, the alkali liquor absorption tower absorbs acid gas generated in the sodium hypochlorite preparation process, and the absorbed gas is discharged into the atmosphere, so that the air quality of the field environment is optimized, and the physical and psychological health of field workers is guaranteed; the dilute alkali solution after absorbing the sodium hypochlorite is sent to a neutralization tower to neutralize acid substances carried in acetylene gas, and the neutralized wastewater is sent to an aqueduct for a generator to produce acetylene for use, so that the recycling of waste gas in the sodium hypochlorite cleaning process is realized.
Description
Technical Field
The utility model relates to a clean technical field of carbide method acetylene PVC inferior sodium, concretely relates to clean processing system of inferior sodium of useless that acetylene gas produced.
Background
The acetylene prepared by the calcium carbide method contains impurities such as hydrogen sulfide, phosphine and the like, the crude acetylene produced by the existing calcium carbide method firstly passes through a washing tower, a first cleaning tower and a second cleaning tower in sequence, and excessive sodium hypochlorite (sodium hypochlorite for short) passes through the second cleaning tower, the first cleaning tower and the washing tower in sequence and H in the crude acetylene 2 S and PH 3 Reacting, converting the reaction product into dilute sulfuric acid and dilute phosphoric acid, feeding acetylene gas from which hydrogen sulfide and phosphine are removed into a neutralization tower for alkali washing neutralization, sending a sodium hyposulfite solution (namely waste sodium hyposulfite) after the reaction to a flash tank for flashing off acetylene, then cooling the waste sodium hyposulfite solution by a sodium hyposulfite cooler, feeding the cooled waste sodium hyposulfite solution, chlorine and 10% NaOH solution into a Venturi, preparing sodium hyposulfite into a sodium hyposulfite storage tank, conveying the sodium hyposulfite storage tank to a sodium hyposulfite head tank by a lifting pump, and sending the sodium hyposulfite in the sodium hyposulfite head tank into a cleaning second tower for recycling; the emptying pipe of the sodium hypochlorite storage tank is directly communicated to the atmosphere, sodium hypochlorite has strong pungent smell and is toxic and harmful, and direct discharge can cause severe pungent smell on a production site and seriously affect the physical and psychological health of workers.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that needs to solve provides a processing system of inferior sodium of giving up of clean acetylene gas institute to solve the poor problem of production site air circumstance.
The utility model discloses a system for treating waste sodium hypochlorite generated by clean acetylene gas, which comprises a cleaning system, a Venturi, a sodium hypochlorite storage tank, an alkali liquor absorption tower and a dilute alkali intermediate tank;
the liquid outlet of a sodium hypochlorite cooler of the cleaning system is communicated with the liquid inlet of the venturi through a pipeline, the liquid outlet of the venturi is communicated with the liquid inlet of the sodium hypochlorite storage tank, the emptying pipe of the sodium hypochlorite storage tank is communicated with the air inlet of the alkali liquor absorption tower, and the liquid outlet of the alkali liquor absorption tower is communicated with the liquid inlet of the dilute alkali intermediate tank; and a liquid outlet of the dilute alkali intermediate tank is communicated with a liquid inlet of the neutralizing tower.
Further, the device also comprises a dilute alkali elevated tank, and a liquid outlet of the dilute alkali elevated tank is communicated with a liquid inlet of the alkali liquor absorption tower.
Further, the cleaning system further comprises a lift pump and a sodium hypochlorite head tank, wherein a liquid outlet of the sodium hypochlorite storage tank is communicated with a liquid inlet of the sodium hypochlorite head tank through the lift pump, and a liquid outlet of the sodium hypochlorite head tank is communicated with a liquid inlet of a second cleaning tower of the cleaning system.
Further, the cleaning system comprises the second cleaning tower, the first cleaning tower, a washing tower, a flash tank and the sodium hypochlorite cooler;
the gas outlet end of the crude acetylene gas pipe is communicated with the gas inlet of the washing tower, the gas outlet of the washing tower is communicated with the gas inlet of the first cleaning tower, and the gas outlet of the first cleaning tower is communicated with the gas inlet of the second cleaning tower;
the liquid outlet of the two clean towers is communicated with the liquid inlet of the first clean tower, the liquid outlet of the first clean tower is communicated with the liquid inlet of the washing tower, the liquid outlet of the washing tower is communicated with the liquid inlet of the flash tank, and the liquid outlet of the flash tank is communicated with the liquid inlet of the sodium hypochlorite cooler.
Further, the air outlet of the second cleaning tower is communicated with the air inlet of the neutralization tower.
The utility model has the advantages that: the utility model has simple structure and easy realization; the emptying pipe of the sodium hypochlorite storage tank is connected into the alkali liquor absorption tower, the alkali liquor absorption tower absorbs acid gas generated in the sodium hypochlorite preparation process, and the absorbed gas is discharged into the atmosphere, so that the air quality of the field environment is optimized, and the physical and psychological health of field workers is guaranteed; the dilute alkali solution after absorbing the sodium hypochlorite is sent to a neutralization tower to neutralize acid substances carried in acetylene gas, and the neutralized wastewater is sent to an aqueduct for a generator to produce acetylene for use, so that the waste gas is recycled in the sodium hypochlorite cleaning process.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the present invention.
The device comprises a Venturi 1, a sodium hypochlorite storage tank 2, a lifting pump 201, a dilute alkali overhead tank 3, an alkali liquid absorption tower 4, a dilute alkali intermediate tank 5, a sodium hypochlorite overhead tank 6, a second purifying tower 7, a first purifying tower 8, a washing tower 9, a flash tank 10, a sodium hypochlorite cooler 11 and a neutralization tower 12.
Detailed Description
As shown in figure 1, a system for treating waste sodium hypochlorite produced by purifying acetylene gas comprises a purifying system, a Venturi 1, a sodium hypochlorite storage tank 2, a dilute alkali elevated tank 3, an alkali liquor absorption tower 4, a dilute alkali intermediate tank 5, a lift pump 201 and a sodium hypochlorite elevated tank 6; the liquid outlet of a sodium hypochlorite cooler 11 of the cleaning system is communicated with the liquid inlet of a Venturi 1 through a pipeline, the liquid outlet of the Venturi 1 is communicated with the liquid inlet of a sodium hypochlorite storage tank 2, an emptying pipe of the sodium hypochlorite storage tank 2 is communicated with the air inlet of an alkali liquor absorption tower 4, the liquid outlet of a dilute alkali elevated tank 3 is communicated with the liquid inlet of the alkali liquor absorption tower 4, and the liquid outlet of the alkali liquor absorption tower 4 is communicated with the liquid inlet of a dilute alkali intermediate tank 5; the liquid outlet of the dilute alkali intermediate tank 5 is communicated with the liquid inlet of a neutralization tower 12 of a cleaning system. The liquid outlet of the sodium hypochlorite storage tank 2 is communicated with the liquid inlet of the sodium hypochlorite elevated tank 6 through a lift pump 201, and the liquid outlet of the sodium hypochlorite elevated tank 6 is communicated with the liquid inlet of a cleaning second tower 7 of the cleaning system.
The cleaning system comprises a washing tower 9, a first cleaning tower 8, a second cleaning tower 7, a flash tank 10 and a sodium hypochlorite cooler 11; the gas outlet end of the crude acetylene gas pipe is communicated with the gas inlet of a washing tower 9, the gas outlet of the washing tower 9 is communicated with the gas inlet of a first cleaning tower 8, the gas outlet of the first cleaning tower 8 is communicated with the gas inlet of a second cleaning tower 7, and the gas outlet of the second cleaning tower 7 is communicated with the gas inlet of a neutralization tower 12; the liquid outlet of the two clean towers 7 is communicated with the liquid inlet of the first clean tower 8, the liquid outlet of the first clean tower 8 is communicated with the liquid inlet of the washing tower 9, the liquid outlet of the washing tower 9 is communicated with the liquid inlet of the flash tank 10, and the liquid outlet of the flash tank 10 is communicated with the liquid inlet of the sodium hypochlorite cooler 11.
The working principle is as follows: the waste sodium hypochlorite and chlorine gas from the purification system and 10 percent NaOH solution are prepared through a Venturi 1 to obtain sodium hypochlorite, the sodium hypochlorite enters a sodium hypochlorite storage tank 2, the sodium hypochlorite storage tank 2 conveys the sodium hypochlorite to a sodium hypochlorite high-level tank 6 through a lift pump 201, then the sodium hypochlorite sequentially enters a second purification tower 7, a first purification tower 8 and a washing tower 9 to remove sulfur and other impurities in the sodium hypochlorite, then the sodium hypochlorite enters a flash tank 10 to remove acetylene gas in the sodium hypochlorite high-level tank, and the waste sodium hypochlorite enters the Venturi 1 to continuously participate in cyclic utilization after being cooled through a sodium hypochlorite cooler 11. The dilute alkali overhead tank 3 provides the alkali liquor for the alkali liquor absorption tower 4, absorbs the sodium hyposulfite in the gas, and then enters the dilute alkali intermediate tank 5 for the neutralization tower 12 to use. Gas containing sodium hypochlorite enters the alkali liquor absorption tower 4 from an exhaust pipe of the sodium hypochlorite storage tank 2, the sodium hypochlorite is absorbed by spraying the alkali liquor in the alkali liquor absorption tower 4, and the rest gas is exhausted from the top of the alkali liquor absorption tower 4, so that the field environment is improved; crude acetylene sequentially enters a washing tower 9, a first cleaning tower 8 and a second cleaning tower 7, hydrogen sulfide and phosphine are converted into dilute sulfuric acid and dilute phosphoric acid through sodium hypochlorite, cleaned acetylene gas enters a neutralizing tower 12, and a small amount of dilute sulfuric acid and dilute phosphoric acid gas in the acetylene gas is neutralized by spraying dilute alkali liquor.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A treatment system for purifying waste sodium hypochlorite produced by acetylene gas is characterized by comprising a purification system, a Venturi, a sodium hypochlorite storage tank, an alkali liquor absorption tower and a dilute alkali intermediate tank;
inferior sodium cooler liquid outlet of clean system with the inlet of venturi passes through the pipeline intercommunication, the liquid outlet of venturi with the inlet intercommunication of inferior sodium storage tank, the evacuation pipe of inferior sodium storage tank with the air inlet intercommunication of alkali lye absorption tower, the liquid outlet of alkali lye absorption tower with the inlet intercommunication of groove in the middle of the dilute alkali, the liquid outlet of groove in the middle of the dilute alkali communicates with the inlet of neutralizing tower.
2. The system for treating sodium hypochlorite waste produced in clean acetylene gas as claimed in claim 1, wherein the system further comprises a dilute alkali head tank, and a liquid outlet of the dilute alkali head tank is communicated with a liquid inlet of the alkali liquid absorption tower.
3. The system for treating waste sodium hypochlorite produced by clean acetylene gas as claimed in claim 1 or 2, which is characterized by further comprising a lift pump and a sodium hypochlorite head tank, wherein a liquid outlet of the sodium hypochlorite storage tank is communicated with a liquid inlet of the sodium hypochlorite head tank through the lift pump, and a liquid outlet of the sodium hypochlorite head tank is communicated with a liquid inlet of a clean second tower of the clean system.
4. The system for treating waste sodium hypochlorite generated by acetylene gas as claimed in claim 3, wherein the cleaning system comprises the cleaning two towers, a cleaning one tower, a washing tower, a flash tank and the sodium hypochlorite cooler;
the tracheal end of giving vent to anger of crude acetylene with the air inlet intercommunication of scrubbing tower, the gas outlet of scrubbing tower with the air inlet intercommunication of clean tower, the gas outlet of clean tower with the air inlet intercommunication of clean two towers, the liquid outlet of clean two towers with the inlet intercommunication of clean tower, the liquid outlet of clean tower with the inlet intercommunication of scrubbing tower, the liquid outlet of scrubbing tower with the inlet intercommunication of flash tank, the liquid outlet of flash tank with the inlet intercommunication of inferior sodium cooler.
5. The system for treating waste sodium hypochlorite produced by clean acetylene gas as claimed in claim 4, wherein the gas outlet of the clean second tower is communicated with the gas inlet of the neutralization tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221288273.7U CN218047276U (en) | 2022-05-26 | 2022-05-26 | Processing system of clean inferior sodium salt of giving up of acetylene gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221288273.7U CN218047276U (en) | 2022-05-26 | 2022-05-26 | Processing system of clean inferior sodium salt of giving up of acetylene gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218047276U true CN218047276U (en) | 2022-12-16 |
Family
ID=84431099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221288273.7U Active CN218047276U (en) | 2022-05-26 | 2022-05-26 | Processing system of clean inferior sodium salt of giving up of acetylene gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218047276U (en) |
-
2022
- 2022-05-26 CN CN202221288273.7U patent/CN218047276U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203990292U (en) | A kind of viscose rayon emission-control equipment | |
| CN203155067U (en) | An oxidation alkaline wash deep purification system for yellow phosphorus exhaust | |
| CN218047276U (en) | Processing system of clean inferior sodium salt of giving up of acetylene gas | |
| CN208449039U (en) | Cokingization produces exhaust gas purification system | |
| CN211612176U (en) | Hydrogen chloride tail gas absorbing device of by-product high concentration hydrochloric acid | |
| CN203264540U (en) | Destruction device containing phosgene tail gas | |
| CN211562452U (en) | Recovery processing device for inorganic waste gas in pyrazole production process | |
| CN204865499U (en) | Methyl nitrite's waste gas treatment system | |
| CN206168203U (en) | Dichloromethane waste gas treatment system who contains sulphur | |
| CN210356635U (en) | Nitrogen oxide waste gas purification combination equipment containing acidic gas | |
| CN218924286U (en) | Hydrogen chloride and magnesium chloride dust tail gas treatment system | |
| CN208878225U (en) | A kind of phosphoric acid extraction tail gas washing liquid fluosilicic acid concentration unit | |
| CN1030965C (en) | Method and apparatus for absorption of leaked chlorine | |
| CN207287062U (en) | A kind of exhaust gas processing device prepared using fluosilicic acid during anhydrous hydrogen fluoride | |
| CN206746290U (en) | A kind of processing unit for aluminum trichloride (anhydrous) production tail gas | |
| CN212017342U (en) | Washing processing system of silicon tetrafluoride in fluorine-containing tail gas | |
| CN112299943B (en) | Acetylene cleaning device and method in vinyl acetate production process | |
| CN216024071U (en) | Comprehensive purification device for ammonia-containing tail gas | |
| CN201704059U (en) | Hydrogen chloride purifying device | |
| CN214020023U (en) | Preparation facilities of hydrogen chloride methanol solution | |
| CN211283892U (en) | Device for preventing scaling of waste sodium hypochlorite heater | |
| CN210701661U (en) | Cold hydrogenation slag slurry treatment system | |
| CN107055572B (en) | Cleaning process and system for treating acetylene waste acid | |
| CN210145804U (en) | Tail gas purification treatment system for dichlorophenol production | |
| CN201406389Y (en) | Difluoroethane waste catalyst treatment device system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |