CN203360208U - Waste sodium hypochlorite comprehensive utilization device used during acetylene cleaning - Google Patents
Waste sodium hypochlorite comprehensive utilization device used during acetylene cleaning Download PDFInfo
- Publication number
- CN203360208U CN203360208U CN 201320458642 CN201320458642U CN203360208U CN 203360208 U CN203360208 U CN 203360208U CN 201320458642 CN201320458642 CN 201320458642 CN 201320458642 U CN201320458642 U CN 201320458642U CN 203360208 U CN203360208 U CN 203360208U
- Authority
- CN
- China
- Prior art keywords
- acetylene
- useless
- pipeline
- time sodium
- useless time
- 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.)
- Expired - Lifetime
Links
Landscapes
- Cleaning By Liquid Or Steam (AREA)
Abstract
The utility model provides a waste sodium hypochlorite comprehensive utilization device used during acetylene cleaning. The device comprises an alkaline liquid header tank, a waste sodium hypochlorite buffer tank, a waste sodium hypochlorite delivery pump, a preheater, a degassing tower, a 1# acetylene cooler, a vacuum pump, a 2# acetylene cooler, a waste sodium hypochlorite collection tank, a cooling pump, a cooling tower and a waste sodium hypochlorite recycling pump. The device is reliable in process, safe, complete in design, simple to operate and maintain and advanced in technology, and can effectively recycle acetylene gas in waste sodium hypochlorite for production, and the waste sodium hypochlorite is safely recycled for compounding a sodium hypochlorite solution after treated; and the problem of acetylene drain and loss is solved, the waste sodium hypochlorite water can be recycled, the produced calcium carbide and the water consumption are reduced, the environmental pollution is reduced while the production cost is saved, and the device is safe and environment-friendly and has very obvious economic benefit.
Description
Technical field
The utility model relates to the useless clorox comprehensive utilization device of the device, particularly a kind of acetylene cleaning of processing clorox waste water in a kind of calcium carbide route acetylene production process, belongs to the chemical industry equipment field.
Background technology
In the production of calcium carbide route acetylene, in thick acetylene gas, contain H
2s, PH
3deng impurity, if do not purified, can have a strong impact on the normal production of subsequent handling.Simultaneously due to H
2s, PH
3spontaneous ignition temperature Deng impurity is low, once occur to leak, with air, contacts than easy firing, easily occurs catching fire or explosion hazard.So acetylene gas must be removed H through peace and quiet operation before being sent to subsequent handling
2s, PH
3deng impurity.
At present, the large multiple enterprises acetylene cleaning of China is to utilize the chlorine bleach liquor by the H in acetylene
2s, PH
3changing into acidic substance etc. impurity oxygen removes.But produced a large amount of clorox waste water (hereinafter to be referred as useless time sodium) in this process, this part waste water is because fully contacting with acetylene gas, acetylene content is higher, about 180 ~ 350mg/L, directly go the wastewater treatment meeting to cause the acetylene gas waste, simultaneously COD content is high, and intractability is large, the loss that causes raw material simultaneously again contaminate environment, produce the problem such as potential safety hazard.
Some Domestic enterprise will give up after time sodium is processed a little a certain amount of useless time sodium water will be back to acetylene generation water, but be limited to various conditions, the enterprise that can accomplish higher reclamation rate is few, and after reuse, can cause the foreign matter contents such as carbide slag chlorine root and sulphur phosphorus too high, accelerate the corrosion of device and the surface skining of device, carbide slag is caused to disadvantageous effect for manufacture of cement.Also having Some Enterprises will give up in time sodium, acetylene gas blows down and after Air Exposure, be back to the composite of chlorine bleach liquor, but acetylene gas is not effectively collected, and technical maturity is poor, in chlorine bleach liquor's compound process, if poor to the acetylene gas removal effect, the Technology of selecting is unreasonable, the chlorine reaction of remaining acetylene and effusion in useless time sodium,, still there are the problems such as larger potential safety hazard and environmental protection in accidents such as there will be detonation, explode or catch fire.
The utility model content
In order to address these problems, the utility model provides a kind of acetylene cleaning clorox comprehensive utilization device of giving up, and the acetylene gas in can the useless time sodium of efficient recovery is back to production, simultaneously useless time sodium process after safe reuse composite in the chlorine bleach liquor.Solve thus dissolved acetylene loss loss problem, can also, by time sodium water reuse of giving up, reduce calcium carbide and the water consumption of producing.The concrete technical scheme that the utility model adopts is as follows:
A kind of acetylene cleaning clorox comprehensive utilization device of giving up, comprise alkali liquid high-level groove, useless time sodium surge tank, useless time sodium transferpump, preheater, degassing tower, 1# acetylene water cooler, vacuum pump, 2# acetylene water cooler, useless time sodium collecting tank, cooling pump, cooling tower, useless time sodium reuse pump, wherein useless time entrance of sodium surge tank accepts by pipeline the useless time sodium that the acetylene cleaning operation is come, the alkali header tank connects another entrance of useless time sodium surge tank by pipeline, useless sodium surge tank outlet connects useless time sodium transferpump by pipeline, useless time sodium transferpump connects preheater by pipeline, preheater connects the degassing tower entrance by pipeline, the degassing tower top exit connects 1# acetylene water cooler by pipeline, 1# acetylene water cooler connects vacuum pump by pipeline, vacuum pump connects 2# acetylene water cooler by pipeline, 2# acetylene water cooler connects the acetylene of recovery is delivered to the acetylene system by pipeline, the degassing tower outlet at bottom connects useless time sodium collecting tank by pipeline, useless time sodium collecting tank connects cooling pump by pipeline, cooling pump connects cooling tower by pipeline, cooling tower connects useless time sodium reuse pump by pipeline, and the useless time sodium after useless time sodium reuse pump will be processed by pipeline is delivered to the composite system of clorox.
Described useless clorox comprehensive utilization device is provided with online pH meter on useless time sodium pipeline, on the acetylene pipeline that reclaims acetylene gas, is provided with oxygen on-line detector and Self controlling valve device.
Described preheater can be shell and tube, coil tube type or plate-type heat exchanger, and the heat transferring medium of employing can be low-pressure steam, waste hot steam or spent hot water etc.
Described degassing tower is the negative-pressure vacuum tower, can adopt packing tower, tray column or board-like and filler combination tower.
Described useless time sodium collecting tank is concrete structure or other groove tank, and degassing tower waste discharge time sodium pipe outlet is immersed in this below liquid level of pond, forms fluid-tight.
Described cooling tower is spray cooling tower or filling cooling tower.
A kind of method of applying the useless clorox of the useless clorox comprehensive utilization device processing of described acetylene cleaning, comprise six steps: useless time sodium pH value is regulated, time sodium preheating of giving up, useless time sodium is degassed, acetylene gas is cooling, useless time sodium cooling, aeration, and the chlorine bleach liquor is composite.
The embodiment of each step is as follows:
1), useless sodium pH value regulate: the useless time sodium water that will come from the acetylene cleaning operation is delivered to useless time sodium surge tank by the pipeline of sealed thermal insulating, and the useless inferior sodium pH value in acid adding or alkali will give up time sodium surge tank is controlled between 7～9;
2), useless sodium preheating: be delivered to preheater with the useless time sodium transferpump time sodium that will give up, the heat transferring medium of preheater adopts spent hot water or low-pressure steam, after the inferior sodium that will give up is preheated to 50 ℃～70 ℃, delivers in degassing tower;
3), useless time sodium is degassed: vacuum pump is bled from the degassing tower top, make in degassing tower to keep vacuum, in tower, useless time sodium liquid flash distillation, boiling produce a large amount of water vapour, and due to the unique design of degassing tower and the disturbance of water vapour, most of solubilised state acetylene constantly discharges from useless time sodium;
4), acetylene gas is cooling: from the degassing tower top, gas out is introduced into the condensation of 1# acetylene water cooler and removes wherein most of water vapour, and the acetylene gas obtained is delivered to after 2# acetylene water cooler is cooled to normal temperature and is delivered to the acetylene system after the vacuum pump pressurization;
5), useless sodium cooling, aeration: from the degassing tower bottom, useless time sodium is out sent into useless time sodium collecting tank through piping.In useless time sodium collecting tank, useless time sodium, after cooling pump is delivered to cooling tower cooling, aeration, is delivered to chlorine bleach liquor's configuration-system by useless time sodium reuse pump delivery;
6), the chlorine bleach liquor is composite: the useless time sodium after processing, carrying out the chlorine bleach liquor when composite, adopts the composite mode of mixed once, and the chlorine bleach liquor who is 10% with a certain amount of concentration directly is mixed into the chlorine bleach liquor that concentration is 0.08% ~ 0.12%.
Useless sodium pH value of aforesaid method regulated and can be chosen in useless time sodium and advance front other any links of degassing tower and complete.
When the aforesaid method chlorine bleach liquor is composite, can take secondary to mix composite mode, while adopting secondary to mix composite mode, the solvent of mixing solutions is new chlorine bleach liquor and service water for the first time, be mixed into concentration lower than 2% chlorine bleach liquor, the useless time sodium liquid of the solvent mixed for the second time after to be the concentration of mixing for the first time process lower than 2% chlorine bleach liquor and this device, be mixed into the chlorine bleach liquor that concentration is 0.08% ~ 0.12%.
The utility model device technique is reliable, and safe design is perfect, and Operation and Maintenance is simple, advanced technology, and the acetylene gas in the useless time sodium of energy efficient recovery is back to production, and after useless sodium processing, safe reuse is composite in the chlorine bleach liquor.Solved thus dissolved acetylene loss loss problem, time sodium water reuse of giving up can also have been reduced to calcium carbide and the water consumption of producing, when saving production cost, also reduced the pollution of environment, safety, environmental protection, economic benefit are very obvious.
The accompanying drawing explanation
Fig. 1 is the structural representation of the useless clorox comprehensive utilization device of this acetylene cleaning.
Mark in figure: 1-alkali liquid high-level groove, the useless time sodium surge tank of 2-, the useless time sodium transferpump of 3-, 4-preheater, the 5-degassing tower, 6-1# acetylene water cooler, 7-vacuum pump, 8-2# acetylene water cooler, the useless time sodium collecting tank of 9-, 10-cooling pump, 11-cooling tower, the useless time sodium reuse pump of 12-.
Embodiment
As shown in Figure 1, the acetylene cleaning of the present utility model clorox comprehensive utilization device of giving up, comprise alkali liquid high-level groove 1, useless time sodium surge tank 2, useless time sodium transferpump 3, preheater 4, degassing tower 5, 1# acetylene water cooler 6, vacuum pump 7, 2# acetylene water cooler 8, useless time sodium collecting tank 9, cooling pump 10, cooling tower 11, useless time sodium reuse pump 12, wherein useless time 2 one entrances of sodium surge tank accept by pipeline the useless time sodium that the acetylene cleaning operation is come, alkali header tank 1 connects another entrance of useless time sodium surge tank 2 by pipeline, useless time sodium surge tank 2 outlets connect useless time sodium transferpump 3 by pipeline, useless time sodium transferpump 3 connects preheater 4 by pipeline, preheater 4 connects degassing tower 5 entrances by pipeline, degassing tower 5 top exits connect 1# acetylene water cooler 6 by pipeline, 1# acetylene water cooler 6 connects vacuum pump 7 by pipeline, vacuum pump 7 connects 2# acetylene water cooler 8 by pipeline, 2# acetylene water cooler 8 connects the acetylene of recovery is delivered to the acetylene system by pipeline, degassing tower 5 outlet at bottoms connect useless time sodium collecting tank 9 by pipeline, useless time sodium collecting tank 9 connects cooling pump 10 by pipeline, cooling pump 10 connects cooling tower 11 by pipeline, cooling tower 11 connects useless time sodium reuse pump 12 by pipeline, and the useless time sodium after useless time sodium reuse pump 12 will be processed by pipeline is delivered to the composite system of clorox.
This device is provided with online pH meter on useless time sodium pipeline, the useless time sodium pH value of Real-Time Monitoring.Be provided with oxygen on-line detector and Self controlling valve device on the acetylene pipeline that reclaims acetylene gas, the online content that detects oxygen in acetylene gas, when in acetylene gas, oxygen content exceeds standard (>1%), the interlocking system of stopping in emergency starts, and realizes emergency.Stop simultaneously, this device Nitrogen filling system Self controlling valve is opened, and supplements in time nitrogen, and supplementary pressure is during to normal value, and emptying internally piloted valve is opened, malleation safely emptying, replace.
Below in order to use this device to give up, time sodium is processed and the specific embodiment of comprehensive utilization.
The useless time sodium water that will come from the acetylene cleaning operation is delivered to useless time sodium surge tank 2 by the pipeline of sealed thermal insulating, according to useless time sodium water pH value situation, add 32% caustic soda from alkali liquid high-level groove 1 toward useless time sodium surge tank, control useless time sodium pH value between 7～9, then be delivered to preheater 4 with useless sodium transferpump 3 time sodium that will give up, after being preheated to 50 ℃～70 ℃, useless time sodium sends in degassing tower 5 from pipeline, utilize vacuum pump 7 to bleed from degassing tower 5 tops, make degassing tower 5 keep certain vacuum, useless time sodium is in the interior flash distillation of degassing tower 5, boiling produces a large amount of water vapour, most of solubilised state acetylene constantly discharges from useless time sodium.
Be introduced into 6 condensations of 1# acetylene water cooler from degassing tower 5 tops gas out and remove wherein most of water vapour, the acetylene gas obtained is delivered to after 2# acetylene water cooler 8 is cooled to normal temperature and is delivered to the acetylene system after vacuum pump 7 pressurizations.
From degassing tower 5 bottoms, useless sodium is out sent into useless time sodium collecting tank 9 through piping, then be transported to cooling tower 11 coolings, aeration with will give up time sodium of cooling pump 10, the sour gas such as remaining acetylene gas and sulphur phosphorus are fully removed, again with useless sodium reuse pump 12 will lower the temperature, useless time sodium after aeration is delivered to chlorine bleach liquor's configuration-system, carries out safely the composite of chlorine bleach liquor.The composite mode that composite employing secondary mixes, the chlorine bleach liquor who is 10% by concentration be mixed with the chlorine bleach liquor that concentration is 1.5% after service water mixes, mixed with the useless time sodium after processing again, obtained the chlorine bleach liquor that concentration is 0.08% ~ 0.12%, for acetylene cleaning.
Claims (6)
1. the useless clorox comprehensive utilization device of an acetylene cleaning, comprise alkali liquid high-level groove (1), useless time sodium surge tank (2), useless time sodium transferpump (3), preheater (4), degassing tower (5), 1# acetylene water cooler (6), vacuum pump (7), 2# acetylene water cooler (8), useless time sodium collecting tank (9), cooling pump (10), cooling tower (11), useless time sodium reuse pump (12), it is characterized in that: useless time (2) entrances of sodium surge tank accept by pipeline the useless time sodium that the acetylene cleaning operation is come, alkali header tank (1) connects another entrance of useless time sodium surge tank (2) by pipeline, useless sodium surge tank (2) outlet connects useless time sodium transferpump (3) by pipeline, useless time sodium transferpump (3) connects preheater (4) by pipeline, preheater (4) connects degassing tower (5) entrance by pipeline, degassing tower (5) top exit connects 1# acetylene water cooler (6) by pipeline, 1# acetylene water cooler (6) connects vacuum pump (7) by pipeline, vacuum pump (7) connects 2# acetylene water cooler (8) by pipeline, 2# acetylene water cooler (8) connects the acetylene of recovery is delivered to the acetylene system by pipeline, degassing tower (5) outlet at bottom connects useless time sodium collecting tank (9) by pipeline, useless time sodium collecting tank (9) connects cooling pump (10) by pipeline, cooling pump (10) connects cooling tower (11) by pipeline, cooling tower (11) connects useless time sodium reuse pump (12) by pipeline, and the useless time sodium after useless time sodium reuse pump (12) will be processed by pipeline is delivered to the composite system of clorox.
2. useless clorox comprehensive utilization device according to claim 1, is characterized in that being provided with online pH meter on useless time sodium pipeline, on the acetylene pipeline that reclaims acetylene gas, is provided with oxygen on-line detector and Self controlling valve device.
3. useless clorox comprehensive utilization device according to claim 1, is characterized in that described preheater (4) is shell and tube or coil tube type or plate-type heat exchanger, and the heat transferring medium of employing is low-pressure steam or waste hot steam or spent hot water.
4. useless clorox comprehensive utilization device according to claim 1, is characterized in that described degassing tower (5) is the negative-pressure vacuum tower, adopts packing tower or tray column or form board-like and the filler combination tower.
5. useless clorox comprehensive utilization device according to claim 1, is characterized in that described useless time sodium collecting tank (9) is concrete structure or other groove tank, and degassing tower (5) waste discharge time sodium pipe outlet is immersed in this below liquid level of pond, forms fluid-tight.
6. useless clorox comprehensive utilization device according to claim 1, is characterized in that described cooling tower (11) is spray cooling tower or filling cooling tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320458642 CN203360208U (en) | 2013-07-30 | 2013-07-30 | Waste sodium hypochlorite comprehensive utilization device used during acetylene cleaning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320458642 CN203360208U (en) | 2013-07-30 | 2013-07-30 | Waste sodium hypochlorite comprehensive utilization device used during acetylene cleaning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203360208U true CN203360208U (en) | 2013-12-25 |
Family
ID=49808000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320458642 Expired - Lifetime CN203360208U (en) | 2013-07-30 | 2013-07-30 | Waste sodium hypochlorite comprehensive utilization device used during acetylene cleaning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203360208U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103342435A (en) * | 2013-07-30 | 2013-10-09 | 广西德陆科技有限公司 | Comprehensive utilization device of acetylene purification waste sodium hypochlorite |
| CN106520203A (en) * | 2015-09-10 | 2017-03-22 | 安徽天辰化工股份有限公司 | Acetylene dreg slurry conveying system |
| CN111348782A (en) * | 2020-04-03 | 2020-06-30 | 唐山三友氯碱有限责任公司 | Method for removing and recycling phosphorus in acetylene-cleaned waste sodium hypochlorite |
| CN112299943A (en) * | 2020-11-23 | 2021-02-02 | 安徽皖维高新材料股份有限公司 | Acetylene cleaning device and method in vinyl acetate production process |
-
2013
- 2013-07-30 CN CN 201320458642 patent/CN203360208U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103342435A (en) * | 2013-07-30 | 2013-10-09 | 广西德陆科技有限公司 | Comprehensive utilization device of acetylene purification waste sodium hypochlorite |
| CN106520203A (en) * | 2015-09-10 | 2017-03-22 | 安徽天辰化工股份有限公司 | Acetylene dreg slurry conveying system |
| CN111348782A (en) * | 2020-04-03 | 2020-06-30 | 唐山三友氯碱有限责任公司 | Method for removing and recycling phosphorus in acetylene-cleaned waste sodium hypochlorite |
| CN112299943A (en) * | 2020-11-23 | 2021-02-02 | 安徽皖维高新材料股份有限公司 | Acetylene cleaning device and method in vinyl acetate production process |
| CN112299943B (en) * | 2020-11-23 | 2023-07-07 | 安徽皖维高新材料股份有限公司 | Acetylene cleaning device and method in vinyl acetate production process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103342435A (en) | Comprehensive utilization device of acetylene purification waste sodium hypochlorite | |
| CN203360208U (en) | Waste sodium hypochlorite comprehensive utilization device used during acetylene cleaning | |
| CN103663510B (en) | A kind of HCl treatment coal ash for manufacturing is for the method for aluminum oxide | |
| CN203333536U (en) | Device for recycling acetylene gas from carbide slag slurry | |
| CN105036443A (en) | Method and device for treating phenol ammonia wastewater in single-tower stripping mode by recovering steam condensate heat | |
| CN103394206A (en) | High-efficiency energy-saving hydrochloric acid pickling waste liquor triple-effect negative-pressure graphite evaporation crystallizer | |
| CN203436836U (en) | Efficient and energy-saving type three-effect negative-pressure graphite evaporative crystallization device of hydrochloric acid pickling waste liquid | |
| CN102604676A (en) | Sodium hypochlorite waste liquor reclaiming process | |
| CN105776224A (en) | Method for washing rectifying column reboiler | |
| CN102205983A (en) | Method and device for dissolving fly ash slurry out by hybrid acid heating method | |
| CN105923610A (en) | Novel process of acetylene purification and waste acid regeneration | |
| CN103496755A (en) | Method and device for treating coal chemical industry production sewage | |
| CN104058539A (en) | Semi-fiber treatment process based on industrial waste water of viscose | |
| CN105731571B (en) | Energy-saving distillation desalination system and method based on steel plant waste hot water waste heat utilization | |
| CN217264857U (en) | Concentration and reuse device for chlorine gas drying waste acid | |
| CN204198703U (en) | A kind of coking crude benzene Separation of Water secondary utilization device | |
| CN104047009B (en) | The recovery process device of ferrous chloride in acid washing rolled steel liquid | |
| CN105776696A (en) | Process for concentrating waste liquor from caprolactam production | |
| CN203486931U (en) | Sewage treatment unit for production of coal chemical industry | |
| CN113636674A (en) | Device for removing silicon element in reactor coolant and treatment method thereof | |
| CN111689541A (en) | Safe concentration process and concentration system for nitrophenol sodium salt wastewater | |
| CN114684953A (en) | Method and device for treating ethylene waste alkali liquor | |
| CN201906471U (en) | Vacuum concentration device for diluted acid | |
| CN105417669A (en) | Chlor alkali production waste acid recycling method | |
| CN213237580U (en) | High mass transfer high temperature flue gas rapid cooling device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131225 |