CN107804859B - The improved method of chlor-alkali acid Workshop Production systems technology - Google Patents
The improved method of chlor-alkali acid Workshop Production systems technology Download PDFInfo
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- CN107804859B CN107804859B CN201710944826.7A CN201710944826A CN107804859B CN 107804859 B CN107804859 B CN 107804859B CN 201710944826 A CN201710944826 A CN 201710944826A CN 107804859 B CN107804859 B CN 107804859B
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D1/00—Oxides or hydroxides of sodium, potassium or alkali metals in general
- C01D1/04—Hydroxides
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F114/00—Homopolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen
- C08F114/02—Monomers containing chlorine
- C08F114/04—Monomers containing two carbon atoms
- C08F114/06—Vinyl chloride
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
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Abstract
The invention discloses the improved methods of chlor-alkali acid Workshop Production systems technology, are related to workshop system technical field of improvement, improved method are as follows: (1) liquid chlorine package increases 1-2 gas-liquid separator；(2) the useless chlorine pipeline of chlorine processing section is changed to CPVC pipe by carbon steel pipe, and increases 1-3 water conservancy diversion blowdown valve；(3) chlorine press oil cooler increases the cooling route of 0-5 DEG C of water and is cooled down；(4) compressor level Four cooling system chlorine handles 1-2 return piping of provided underground in chlorine press, and the return water for keeping level Four cooling directly passes through underground utilities and flows into circulating water pool；Chlor-alkali acid Workshop Production systems technology of the present invention is improved, and is realized energy saving, is reduced cost, extends the service life of useless chlorine pipeline, while reducing the risk of leakage of chlorine, is met production needs, is also reduced power consumption, saved operating cost.
Description
Technical field:
The present invention relates to workshop system technical field of improvement more particularly to chlor-alkali acid Workshop Production systems technology to improve
Method.
Background technique:
In recent years, Chinese chlorine industry rapidly develops, and original chlor-alkali enterprises expand production capacity, some new enterprises one after another
Industry is also gone into operation in succession, production capacity fast lifting, and chlorine industry shows the state that acceleration develops to scale, high technology content aspect
Gesture.For Chinese chlorine industry while production capacity is promoted rapidly, technology also obtains tremendous development, and scale device increases, device
Technical level improves, and Chinese chlorine industry is in scale, high-tech developing state.
It develops in a healthy way to promote chlor-alkali industry to stablize, prevents low-level duplicate construction, improve industry synthesized competitiveness, foundation
Relevant laws and regulations of the state and industrial policy, according to " optimization layout, orderly development, adjustment structure, it is energy saving, protect environment,
Safety in production, technological progress " continuable development principle, to chlor-alkali (caustic soda, polyvinyl chloride) industry propose entry criteria.
With the operation of production, there is certain deficiency and be gradually exposed in original design, including liquid chlorine package hilllock
Position corrosive pipeline, useless chlorine absorption system corrosive pipeline, chlorine press summer oil system temperature is excessively high and chlorine press is asked without water etc. is pushed back
Topic.In order to keep the daily production in workshop more stable, security risk present in production is avoided and eliminates, by groping and proving,
Workshop has carried out technological improvement to production system.
Summary of the invention:
Technical problem to be solved by the present invention lies in the improved method of chlor-alkali acid Workshop Production systems technology is provided, solve
Arrive chlorine leakage because of the useless chlorine corrosive pipeline chlorine pipeline of acid mist entrance, and chloride blocks pipeline；Avoid corrosive pipeline；Chlorine press oil
Chiller temperature is not able to satisfy；The problems such as system power consumption is big.
The technical problems to be solved by the invention are realized using following technical scheme；
The improved method of chlor-alkali acid Workshop Production systems technology: improved method mainly passes through four aspects and carries out: (1) liquid chlorine packet
Dress increases 1-2 gas-liquid separator；(2) the useless chlorine pipeline of chlorine processing section is changed to CPVC pipe by carbon steel pipe, and increases 1-3 water conservancy diversion
Blowdown valve；(3) chlorine press oil cooler increases the cooling route of 0-5 DEG C of water and is cooled down；(4) compressor level Four is cooling in chlorine press
System chlorine handles 1-2 return piping of provided underground, and the return water for keeping level Four cooling directly passes through underground utilities and flows into circulating water pool.
The above transformation both ensure that the stability of each production target or realize energy saving, reduce the problems such as cost.
The improved method of chlor-alkali acid Workshop Production systems technology embodies:
1, liquid chlorine package increases 1-2 gas-liquid separator.After liquid chlorine tank car or steel cylinder are packed, needing will be in pipeline
Useless chlorine is extracted into absorption tower through useless chlorine pipeline, is carried out absorbing reaction with lye counter current contacting, is removed chlorine therein, reach environmentally friendly row
The tail gas for putting standard is discharged into atmosphere through air-introduced machine C-520.But it has acid mist in actual production to enter in useless chlorine pipeline, and useless
Chlorine pipeline is carbon steel piping, and acid mist meeting corrosion pipeline causes piping failure waste chlorine to escape；Or chloride blocking pipeline can not be right
Useless chlorine carries out evacuation processing；Therefore increase 1-2 gas-liquid separator in useless chlorine pipe head, the acid mist in useless chlorine is separated,
Acid mist is avoided to enter waste chlorine pipeline, to solve the problems, such as corrosive pipeline.
2, the useless chlorine pipeline of chlorine processing section is changed to CPVC pipe by carbon steel pipe, and increases 1-3 water conservancy diversion in CPVC pipe tail portion
Blowdown valve；Gas phase pipe tail portion is increased into one 90-105 ° downward elbow in accident chlorine absorption tower.Chlorine in accident condition
Gas enters the lower part on waste chlorine absorption tower, and the lye counter current contacting come with top carries out absorbing reaction；In daily production, from
The lye meeting splash that absorption tower top sprays enters the waste chlorine pipeline of carbon steel into the gas phase pipe of absorption tower lower part
In, to corrode waste chlorine pipeline.Therefore increase by one 90-105 ° downward elbow in the tail portion of gas phase pipe, to avoid lye
Splash enters in pipe；And by the carbon steel waste chlorine piping foundation that the length of lower part is 15m, DN200 be CPVC pipeline, it is managed with CPVC
Road is directly connected to and increases 1-3 water conservancy diversion blowdown valve, avoids corrosive pipeline.
3, chlorine press oil cooler increases the cooling route of 0-5 DEG C of water and is cooled down；The outlet oil temperature of chlorine press fuel tank needs
Control is at 25~35 DEG C, and oil cooler only has circulating water, and circulating water temperature is higher in summer, cooling effect compared with
Difference, so that outlet oil temperature is unable to reach the requirement of technic index usually at 35 DEG C or more.Therefore chlorine press oil cooler increases by one
The cooling route of 0-5 DEG C of water, enables oil temperature to control within the scope of 25~35 DEG C of technic index.
4, the cooling backwater of compressor level Four cooling system is flowed into without pond is pushed back, through water circulating pump in the design of chlorine press original
It send to circulating water pool.Under normal circumstances, be guarantee chlorine system temperature need one water circulating pump 24 hours operate, if temperature compared with
Gao Shi needs to increase quantity of circulating water, and only one pump of starting just has little time to cause without pond spill-over is pushed back, then toward water is sent outside
Need to open two water circulating pumps simultaneously, power consumption increases.Therefore 1-2 return piping of provided underground is handled in chlorine, makes level Four
Cooling return water directly flows into circulating water pool by underground utilities, pushes back pond without inflow nothing and is pumped to again by recirculated water
Circulating water pool saves a large amount of power consumptions.
The beneficial effects of the present invention are: the improved method of chlor-alkali acid Workshop Production systems technology of the present invention, passes through
It is described to improve the stability that both ensure that each production target or realize energy saving, reduce the problems such as cost.
(1) it solves the problems, such as corrosive pipeline, protects chlorine pipeline, extend the service life of useless chlorine pipeline, reduce the later period
Every maintenance cost, while reducing the risk of leakage of chlorine；
(2) energy-saving, after chlorine press is without water improvement is pushed back, production needs are both met, power consumption is also reduced, are saved
Operating cost.
Specific embodiment:
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiment is closed, the present invention is further explained.
Embodiment 1:
The improved method of chlor-alkali acid Workshop Production systems technology: improved method mainly passes through four aspects and carries out: (1) liquid chlorine packet
Dress increases by 1 gas-liquid separator；(2) the useless chlorine pipeline of chlorine processing section is changed to CPVC pipe by carbon steel pipe, and increases by 2 water conservancy diversion blowdowns
Valve；(3) chlorine press oil cooler increases the cooling route of 0-5 DEG C of water and is cooled down；(4) compressor level Four cooling system in chlorine press
Chlorine handles 1 return piping of provided underground, and the return water for keeping level Four cooling directly passes through underground utilities and flows into circulating water pool.Change above
It makes the stability that both ensure that each production target or realizes energy saving, reduces the problems such as cost.
The embodiment of chlor-alkali acid Workshop Production systems technology improved method:
1, liquid chlorine package increases by 1 gas-liquid separator.After liquid chlorine tank car or steel cylinder are packed, needing will be useless in pipeline
Chlorine is extracted into absorption tower through useless chlorine pipeline, is carried out absorbing reaction with lye counter current contacting, is removed chlorine therein, reach environment protection emission
The tail gas of standard is discharged into atmosphere through air-introduced machine C-520.But it has acid mist in actual production to enter in useless chlorine pipeline, and useless chlorine
Pipeline is carbon steel piping, and acid mist meeting corrosion pipeline causes piping failure waste chlorine to escape；Or chloride blocking pipeline can not be to useless
Chlorine carries out evacuation processing；Therefore increase by 1 gas-liquid separator in useless chlorine pipe head, the acid mist in useless chlorine is separated, is avoided
Acid mist enters waste chlorine pipeline, to solve the problems, such as corrosive pipeline.
2, the useless chlorine pipeline of chlorine processing section is changed to CPVC pipe by carbon steel pipe, and increases by 2 water conservancy diversion rows in CPVC pipe tail portion
Dirty valve；Gas phase pipe tail portion is increased into 90 ° of downward elbows in accident chlorine absorption tower.Chlorine in accident condition enters
The lower part on waste chlorine absorption tower, the lye counter current contacting come with top carry out absorbing reaction；In daily production, from absorption tower
The lye meeting splash that top sprays enters in the waste chlorine pipeline of carbon steel into the gas phase pipe of absorption tower lower part, from
And corrode waste chlorine pipeline.Therefore increase by 90 ° of downward elbows in the tail portion of gas phase pipe, so that lye splash be avoided to enter pipe
In；And by the carbon steel waste chlorine piping foundation that the length of lower part is 15m, DN200 be CPVC pipeline, it is directly connected to CPVC pipeline
And increase by 2 water conservancy diversion blowdown valves, avoid corrosive pipeline.
3, chlorine press oil cooler increases the cooling route of 0-5 DEG C of water and is cooled down；The outlet oil temperature of chlorine press fuel tank needs
Control is at 25 DEG C, and oil cooler only has circulating water, and circulating water temperature is higher in summer, and cooling effect is poor,
So that outlet oil temperature is unable to reach the requirement of technic index usually at 35 DEG C or more.Therefore chlorine press oil cooler increases a 0-5
The cooling route of DEG C water, enables oil temperature to control within the scope of 25~35 DEG C of technic index.
4, the cooling backwater of compressor level Four cooling system is flowed into without pond is pushed back, through water circulating pump in the design of chlorine press original
It send to circulating water pool.Under normal circumstances, be guarantee chlorine system temperature need one water circulating pump 24 hours operate, if temperature compared with
Gao Shi needs to increase quantity of circulating water, and only one pump of starting just has little time to cause without pond spill-over is pushed back, then toward water is sent outside
Need to open two water circulating pumps simultaneously, power consumption increases.Therefore 1 return piping of provided underground is handled in chlorine, keeps level Four cold
But return water directly flows into circulating water pool by underground utilities, follows without flowing into without pushing back pond and pass through recirculated water again and be pumped to
Ring pond saves a large amount of power consumptions.
Embodiment 2:
The improved method of chlor-alkali acid Workshop Production systems technology: improved method mainly passes through four aspects and carries out: (1) liquid chlorine packet
Dress increases by 2 gas-liquid separators；(2) the useless chlorine pipeline of chlorine processing section is changed to CPVC pipe by carbon steel pipe, and increases by 2 water conservancy diversion blowdowns
Valve；(3) chlorine press oil cooler increases the cooling route of 0-5 DEG C of water and is cooled down；(4) compressor level Four cooling system in chlorine press
Chlorine handles 2 return pipings of provided underground, and the return water for keeping level Four cooling directly passes through underground utilities and flows into circulating water pool.Change above
It makes the stability that both ensure that each production target or realizes energy saving, reduces the problems such as cost.
The embodiment of chlor-alkali acid Workshop Production systems technology improved method:
1, liquid chlorine package increases by 2 gas-liquid separators.After liquid chlorine tank car or steel cylinder are packed, needing will be useless in pipeline
Chlorine is extracted into absorption tower through useless chlorine pipeline, is carried out absorbing reaction with lye counter current contacting, is removed chlorine therein, reach environment protection emission
The tail gas of standard is discharged into atmosphere through air-introduced machine C-520.But it has acid mist in actual production to enter in useless chlorine pipeline, and useless chlorine
Pipeline is carbon steel piping, and acid mist meeting corrosion pipeline causes piping failure waste chlorine to escape；Or chloride blocking pipeline can not be to useless
Chlorine carries out evacuation processing；Therefore increase by 2 gas-liquid separators in useless chlorine pipe head, the acid mist in useless chlorine is separated, is avoided
Acid mist enters waste chlorine pipeline, to solve the problems, such as corrosive pipeline.
2, the useless chlorine pipeline of chlorine processing section is changed to CPVC pipe by carbon steel pipe, and increases 1-3 water conservancy diversion in CPVC pipe tail portion
Blowdown valve；Gas phase pipe tail portion is increased into 95 ° of downward elbows in accident chlorine absorption tower.Chlorine in accident condition into
The lower part for entering waste chlorine absorption tower, the lye counter current contacting come with top carry out absorbing reaction；In daily production, from absorption
The lye meeting splash that tower top sprays enters in the waste chlorine pipeline of carbon steel into the gas phase pipe of absorption tower lower part,
To corrode waste chlorine pipeline.Therefore increase by 95 ° of downward elbows in the tail portion of gas phase pipe, so that lye splash be avoided to enter
Guan Zhong；And by the carbon steel waste chlorine piping foundation that the length of lower part is 15m, DN200 be CPVC pipeline, directly connect with CPVC pipeline
2 water conservancy diversion blowdown valves are connect and increased, corrosive pipeline is avoided.
3, chlorine press oil cooler increases the cooling route of 0-5 DEG C of water and is cooled down；The outlet oil temperature of chlorine press fuel tank needs
Control is at 26 DEG C, and oil cooler only has circulating water, and circulating water temperature is higher in summer, and cooling effect is poor,
So that outlet oil temperature is unable to reach the requirement of technic index usually at 35 DEG C or more.Therefore chlorine press oil cooler increases a 0-5
The cooling route of DEG C water, enables oil temperature to control within the scope of 25~35 DEG C of technic index.
4, the cooling backwater of compressor level Four cooling system is flowed into without pond is pushed back, through water circulating pump in the design of chlorine press original
It send to circulating water pool.Under normal circumstances, be guarantee chlorine system temperature need one water circulating pump 24 hours operate, if temperature compared with
Gao Shi needs to increase quantity of circulating water, and only one pump of starting just has little time to cause without pond spill-over is pushed back, then toward water is sent outside
Need to open two water circulating pumps simultaneously, power consumption increases.Therefore 2 return pipings of provided underground are handled in chlorine, keeps level Four cold
But return water directly flows into circulating water pool by underground utilities, follows without flowing into without pushing back pond and pass through recirculated water again and be pumped to
Ring pond saves a large amount of power consumptions.
The improved method of chlor-alkali acid Workshop Production systems technology, the effect after embodiment 1 and embodiment 2 are improved:
1, after liquid chlorine package increases 1-2 gas-liquid separator, and carbon steel pipe is changed to CPVC pipe, no acid mist corrodes useless chlorine pipe
Road phenomenon, no chloride block pipeline；And the tail gas that useless chlorine reaches environmental emission standard is discharged into atmosphere through air-introduced machine C-520
In；
2, chlorine press oil cooler: the outlet oil temperature of chlorine press fuel tank needs to control to meet production requirement at 25-29 DEG C；
3, compressor level Four cooling system keeps level Four cold in chlorine processing 1-2 return piping of provided underground in chlorine press original
But return water directly flows into circulating water pool by underground utilities, guarantees that temperature needs, and energy-saving.
And one operates for water circulating pump 24 hours, daily power consumption 1080KWh (circulation-water pump electric machine power 45KW), summer
Production needs to open two circulating pumps, daily power consumption 2160KWh.Whole year ran by 330 days, and two circulating pumps run 4 simultaneously
A month, 0.65 yuan/KWh of electricity price was calculated: 1080 × 330+1080 × 30 × 4=486000KWh
Ten thousand yuan of 486000 × 0.65=31.6
Economically return piping increases, and directly can save substantial contribution for enterprise.
By embodiment 1 and 2 testing result of embodiment it is found that being found out by above-mentioned testing result, original chlor-alkali acid Workshop Production
System system after technological improvement is feasible, and effective, can energy-saving and emission-reduction, environmental pollution is small, avoids system corrosion, stifled
Plug.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (5)
1. the improved method of chlor-alkali acid Workshop Production systems technology, it is characterised in that: improved method mainly passes through four aspects and carries out:
(1) liquid chlorine package increases 1-2 gas-liquid separator；(2) the useless chlorine pipeline of chlorine processing section is changed to CPVC pipe by carbon steel pipe, and increases
1-3 water conservancy diversion blowdown valve；(3) chlorine press oil cooler increases the cooling route of 0-5 DEG C of water and is cooled down；(4) it is compressed in chlorine press
Machine level Four cooling system chlorine handles 1-2 return piping of provided underground, and the return water for keeping level Four cooling directly passes through underground utilities stream
Enter circulating water pool.
2. the improved method of chlor-alkali acid Workshop Production systems technology according to claim 1, it is characterised in that: liquid chlorine package
Increase 1-2 gas-liquid separator；After liquid chlorine tank car or steel cylinder are packed, need for the useless chlorine in pipeline to be extracted into through useless chlorine pipeline
In absorption tower, absorbing reaction is carried out with lye counter current contacting, chlorine therein is removed, reaches the tail gas of environmental emission standard through air inducing
Machine C-520 is discharged into atmosphere.
3. the improved method of chlor-alkali acid Workshop Production systems technology according to claim 1, it is characterised in that: handle chlorine
The useless chlorine pipeline of section is changed to CPVC pipe by carbon steel pipe, and increases 1-3 water conservancy diversion blowdown valve in CPVC pipe tail portion；It is absorbed in accident chlorine
Gas phase pipe tail portion is increased into one 90-105 ° downward elbow in tower, the chlorine in accident condition enters waste chlorine absorption tower
Lower part, with top come lye counter current contacting, carry out absorbing reaction；To avoid lye splash from entering in pipe；And by lower part
Length be the carbon steel waste chlorine piping foundation of 15m, DN200 be CPVC pipeline, be directly connected to CPVC pipeline and increase 1-3
Water conservancy diversion blowdown valve, avoids corrosive pipeline.
4. the improved method of chlor-alkali acid Workshop Production systems technology according to claim 1, it is characterised in that: chlorine press oil
Cooler increases the cooling route of 0-5 DEG C of water and is cooled down；Chlorine press oil cooler increases the cooling route of a 0-5 DEG C of water, so that
Oil temperature can control within the scope of 25~35 DEG C of technic index.
5. the improved method of chlor-alkali acid Workshop Production systems technology according to claim 1, it is characterised in that: chlorine press pressure
Contracting machine level Four cooling system handles 1-2 return piping of provided underground in chlorine, and the return water for keeping level Four cooling directly passes through buried pipe
Line flows into circulating water pool, is pumped to circulating water pool without pushing back pond and pass through recirculated water again without flowing into, saves a large amount of power consumptions.
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| CN107804859B true CN107804859B (en) | 2019-07-26 |
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| US4242185A (en) * | 1979-09-04 | 1980-12-30 | Ionics Inc. | Process and apparatus for controlling impurities and pollution from membrane chlor-alkali cells |
| GB2395946B (en) * | 2002-12-05 | 2006-01-18 | Thomas Altmann | Method for the production of sodium chloride from seawater |
| CN102134084B (en) * | 2011-01-22 | 2013-07-24 | 内蒙古博源工程有限责任公司 | System and method for producing calcined soda or producing calcined soda and baking soda |
| CN105179940B (en) * | 2015-08-13 | 2017-11-07 | 湖北兴发化工集团股份有限公司 | A kind of Liquid chlorine equipment and its technique |
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