CN107804859A - 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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- CN107804859A CN107804859A CN201710944826.7A CN201710944826A CN107804859A CN 107804859 A CN107804859 A CN 107804859A CN 201710944826 A CN201710944826 A CN 201710944826A CN 107804859 A CN107804859 A CN 107804859A
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- chlorine
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- improved method
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Classifications
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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
-
- 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
-
- 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
Abstract
The invention discloses the improved method of chlor-alkali acid Workshop Production systems technology, it is related to workshop system technical field of improvement, improved method is：(1) liquid chlorine package increases by 12 gas-liquid separators；(2) the useless chlorine pipeline of chlorine processing section is changed to CPVC pipes by carbon steel pipe, and increases by 13 water conservancy diversion blowoff valves；(3) chlorine press oil cooler increases by 05 DEG C of water cooling circuits and cooled down；(4) compressor level Four cooling system chlorine handles 12 return pipings of provided underground in chlorine press, the backwater that level Four cools down directly is flowed into circulating water pool by underground utilities；Chlor-alkali acid Workshop Production systems technology of the present invention is improved, and is realized and is saved energy consumption, reduce cost, extend the service life of useless chlorine pipeline, while reduces 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 technology：
In recent years, Chinese chlorine industry develops rapidly, and original chlor-alkali enterprises expand production capacity one after another, some new enterprises
Industry is also gone into operation in succession, production capacity fast lifting, and chlorine industry shows acceleration to scale, the state of high technology content aspect development
Gesture.For Chinese chlorine industry while production capacity is lifted rapidly, technology also obtain tremendous development, and scale device increases, device
Technical merit improves, and Chinese chlorine industry is in scale, high-tech developing state.
To promote chlor-alkali industry is stable to develop in a healthy way, low-level duplicate construction is prevented, improves industry synthesized competitiveness, foundation
Relevant laws and regulations of the state and industrial policy, according to " optimization layout, orderly development, adjustment structure, saving the energy, environmental protection,
The continuable development principle of safety in production, technological progress ", entry criteria is proposed to chlor-alkali (caustic soda, polyvinyl chloride) industry.
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 too high and chlorine press is asked without water etc. is pushed back
Topic.In order that the daily production in workshop is more stable, potential safety hazard present in production is avoided and eliminates, by groping and proving,
Workshop has carried out technological improvement to production system.
The content of the invention：
The technical problems to be solved by the invention are to provide chlor-alkali acid Workshop Production systems technology improved method solve
Because of the useless chlorine corrosive pipeline chlorine pipeline of acid mist entrance, the chlorine that arrives leaks, and chloride blocks pipeline；Avoid corrosive pipeline；Chlorine press oil
Chiller temperature can not meet；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 is mainly carried out by four aspects：(1) liquid chlorine bag
Dress 1-2 gas-liquid separator of increase；(2) the useless chlorine pipeline of chlorine processing section is replaced by CPVC pipes by carbon steel pipe, and increases 1-3 water conservancy diversion
Blowoff valve；(3) chlorine press oil cooler increases 0-5 DEG C of water cooling circuit and cooled down；(4) compressor level Four cools down in chlorine press
System chlorine handles provided underground 1-2 bar return pipings, the backwater that level Four cools down directly is flowed into circulating water pool by underground utilities.
Transformation both ensure that the stability of each production target or realize and saved energy consumption, reduces the problems such as cost above.
The improved method of chlor-alkali acid Workshop Production systems technology embodies：
1st, liquid chlorine package increases 1-2 gas-liquid separator.Liquid chlorine tank car or steel cylinder packaging terminate rear, it is necessary to by pipeline
Useless chlorine is extracted into absorption tower through useless chlorine pipeline, is carried out absorbing reaction with alkali lye counter current contacting, is removed chlorine therein, reach environmentally friendly row
The tail gas for putting standard is discharged into air through air-introduced machine C-520.But acid mist is had in actual production to enter in useless chlorine pipeline, and it is useless
Chlorine pipeline is carbon steel piping, 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 separators in useless chlorine pipe head, the acid mist in useless chlorine is separated,
Acid mist is avoided to enter waste chlorine pipeline, so as to solve the problems, such as corrosive pipeline.
2nd, the useless chlorine pipeline of chlorine processing section is replaced by CPVC pipes by carbon steel pipe, and increases 1-3 water conservancy diversion in CPVC pipes afterbody
Blowoff valve；Gas phase pipe afterbody is increased into one 90-105 ° downward elbow in accident chlorine absorption tower.Chlorine in accident condition
Gas enters the bottom on waste chlorine absorption tower, the alkali lye counter current contacting come with top, carries out absorbing reaction；In daily production, from
The alkali lye meeting splash that absorption tower top sprays enters the waste chlorine pipeline of carbon steel into the gas phase pipe of absorption tower bottom
In, so as to corrode waste chlorine pipeline.Therefore the afterbody in gas phase pipe increases by one 90-105 ° downward elbow, so as to avoid alkali lye
Splash enters in pipe；And by the carbon steel waste chlorine piping foundation that the length of bottom is 15m, DN200 be CPVC pipelines, managed with CPVC
Road is directly connected to and increases 1-3 water conservancy diversion blowoff valve, avoids corrosive pipeline.
3rd, chlorine press oil cooler increases 0-5 DEG C of water cooling circuit and 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 usually more than 35 DEG C, is unable to reach the requirement of technic index.Therefore chlorine press oil cooler increases by one
0-5 DEG C of water cooling circuit so that oil temperature can be controlled within the scope of 25~35 DEG C of technic index.
4th, the cooling backwater of compressor level Four cooling system is flowed into without pond is pushed back, through water circulating pump in the former design of chlorine press
Deliver to circulating water pool.Under normal circumstances, be to ensure that chlorine system temperature needs water circulating pump to operate for 24 hours, if temperature compared with
, it is necessary to increase quantity of circulating water when high, only start a pump and just have little time, toward water is sent outside, to cause without pond spill-over is pushed back, then
Need to open two water circulating pumps simultaneously, power consumption increase.Therefore provided underground 1-2 bar return pipings are handled in chlorine, makes level Four
The backwater of cooling directly flows into circulating water pool by underground utilities, and push back pond without inflow nothing is delivered to by water circulating pump again
Circulating water pool, save a large amount of power consumptions.
The beneficial effects of the invention are as follows：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 saving energy consumption, reduce the problems such as cost.
(1) solve the problems, such as corrosive pipeline, protect chlorine pipeline, extend the service life of useless chlorine pipeline, reduce the later stage
Every maintenance cost, while reduce the risk of leakage of chlorine；
(2) it is energy-saving, after chlorine press is without water improvement is pushed back, production needs are both met, also reduce power consumption, are saved
Operating cost.
Embodiment：
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Specific embodiment is closed, the present invention is expanded on further.
Embodiment 1：
The improved method of chlor-alkali acid Workshop Production systems technology：Improved method is mainly carried out by four aspects：(1) liquid chlorine bag
Dress 1 gas-liquid separator of increase；(2) the useless chlorine pipeline of chlorine processing section is replaced by CPVC pipes by carbon steel pipe, and increases by 2 water conservancy diversion blowdowns
Valve；(3) chlorine press oil cooler increases 0-5 DEG C of water cooling circuit and cooled down；(4) compressor level Four cooling system in chlorine press
Chlorine handles 1 return piping of provided underground, the backwater that level Four cools down directly is flowed into circulating water pool by underground utilities.Change above
Make the stability that both ensure that each production target or realize and save energy consumption, reduce the problems such as cost.
The embodiment of chlor-alkali acid Workshop Production systems technology improved method：
1st, liquid chlorine package increases by 1 gas-liquid separator.Liquid chlorine tank car or steel cylinder packaging terminate rear, it is necessary to will be useless in pipeline
Chlorine is extracted into absorption tower through useless chlorine pipeline, is carried out absorbing reaction with alkali lye counter current contacting, is removed chlorine therein, reach environment protection emission
The tail gas of standard is discharged into air through air-introduced machine C-520.But acid mist is had in actual production to enter in useless chlorine pipeline, and useless chlorine
Pipeline is carbon steel piping, 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, avoided
Acid mist enters waste chlorine pipeline, so as to solve the problems, such as corrosive pipeline.
2nd, the useless chlorine pipeline of chlorine processing section is replaced by CPVC pipes by carbon steel pipe, and increases by 2 water conservancy diversion rows in CPVC pipes afterbody
Dirty valve；Gas phase pipe afterbody is increased into 90 ° of downward elbows in accident chlorine absorption tower.Chlorine in accident condition enters
The bottom on waste chlorine absorption tower, the alkali lye counter current contacting come with top, carry out absorbing reaction；In daily production, from absorption tower
The alkali lye meeting splash that top sprays is entered in the waste chlorine pipeline of carbon steel into the gas phase pipe of absorption tower bottom, from
And corrode waste chlorine pipeline.Therefore the afterbody in gas phase pipe increases by 90 ° of downward elbows, so as to avoid alkali lye splash from entering pipe
In；And by the carbon steel waste chlorine piping foundation that the length of bottom is 15m, DN200 be CPVC pipelines, it is directly connected to CPVC pipelines
And increase by 2 water conservancy diversion blowoff valves, avoid corrosive pipeline.
3rd, chlorine press oil cooler increases 0-5 DEG C of water cooling circuit and 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 more than 35 DEG C.Therefore chlorine press oil cooler increases a 0-5
DEG C water cooling circuit so that oil temperature can be controlled within the scope of 25~35 DEG C of technic index.
4th, the cooling backwater of compressor level Four cooling system is flowed into without pond is pushed back, through water circulating pump in the former design of chlorine press
Deliver to circulating water pool.Under normal circumstances, be to ensure that chlorine system temperature needs water circulating pump to operate for 24 hours, if temperature compared with
, it is necessary to increase quantity of circulating water when high, only start a pump and just have little time, toward water is sent outside, to cause without pond spill-over is pushed back, then
Need to open two water circulating pumps simultaneously, power consumption increase.Therefore 1 return piping of provided underground is handled in chlorine, makes level Four cold
But backwater directly flows into circulating water pool by underground utilities, is followed without flowing into without pushing back pond and delivered to again by water circulating pump
Ring pond, save a large amount of power consumptions.
Embodiment 2：
The improved method of chlor-alkali acid Workshop Production systems technology：Improved method is mainly carried out by four aspects：(1) liquid chlorine bag
Dress 2 gas-liquid separators of increase；(2) the useless chlorine pipeline of chlorine processing section is replaced by CPVC pipes by carbon steel pipe, and increases by 2 water conservancy diversion blowdowns
Valve；(3) chlorine press oil cooler increases 0-5 DEG C of water cooling circuit and cooled down；(4) compressor level Four cooling system in chlorine press
Chlorine handles 2 return pipings of provided underground, the backwater that level Four cools down directly is flowed into circulating water pool by underground utilities.Change above
Make the stability that both ensure that each production target or realize and save energy consumption, reduce the problems such as cost.
The embodiment of chlor-alkali acid Workshop Production systems technology improved method：
1st, liquid chlorine package increases by 2 gas-liquid separators.Liquid chlorine tank car or steel cylinder packaging terminate rear, it is necessary to will be useless in pipeline
Chlorine is extracted into absorption tower through useless chlorine pipeline, is carried out absorbing reaction with alkali lye counter current contacting, is removed chlorine therein, reach environment protection emission
The tail gas of standard is discharged into air through air-introduced machine C-520.But acid mist is had in actual production to enter in useless chlorine pipeline, and useless chlorine
Pipeline is carbon steel piping, 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, avoided
Acid mist enters waste chlorine pipeline, so as to solve the problems, such as corrosive pipeline.
2nd, the useless chlorine pipeline of chlorine processing section is replaced by CPVC pipes by carbon steel pipe, and increases 1-3 water conservancy diversion in CPVC pipes afterbody
Blowoff valve；Gas phase pipe afterbody is increased into 95 ° of downward elbows in accident chlorine absorption tower.Chlorine in accident condition enters
Enter the bottom on waste chlorine absorption tower, the alkali lye counter current contacting come with top, carry out absorbing reaction；In daily production, from absorption
The alkali lye meeting splash that tower top sprays is entered in the waste chlorine pipeline of carbon steel into the gas phase pipe of absorption tower bottom,
So as to corrode waste chlorine pipeline.Therefore the afterbody in gas phase pipe increases by 95 ° of downward elbows, so as to avoid alkali lye splash from entering
Guan Zhong；And by the carbon steel waste chlorine piping foundation that the length of bottom is 15m, DN200 be CPVC pipelines, directly connect with CPVC pipelines
Connect and increase by 2 water conservancy diversion blowoff valves, avoid corrosive pipeline.
3rd, chlorine press oil cooler increases 0-5 DEG C of water cooling circuit and 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 more than 35 DEG C.Therefore chlorine press oil cooler increases a 0-5
DEG C water cooling circuit so that oil temperature can be controlled within the scope of 25~35 DEG C of technic index.
4th, the cooling backwater of compressor level Four cooling system is flowed into without pond is pushed back, through water circulating pump in the former design of chlorine press
Deliver to circulating water pool.Under normal circumstances, be to ensure that chlorine system temperature needs water circulating pump to operate for 24 hours, if temperature compared with
, it is necessary to increase quantity of circulating water when high, only start a pump and just have little time, toward water is sent outside, to cause without pond spill-over is pushed back, then
Need to open two water circulating pumps simultaneously, power consumption increase.Therefore 2 return pipings of provided underground are handled in chlorine, makes level Four cold
But backwater directly flows into circulating water pool by underground utilities, is followed without flowing into without pushing back pond and delivered to again by water circulating pump
Ring pond, save 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：
1st, after liquid chlorine package increases 1-2 gas-liquid separator, and carbon steel pipe is replaced by CPVC pipes, no useless chlorine pipe of acid mist corrosion
Road phenomenon, no chloride block pipeline；And the tail gas that useless chlorine reaches environmental emission standard is discharged into air through air-introduced machine C-520
In；
2nd, chlorine press oil cooler：The outlet oil temperature of chlorine press fuel tank needs to control at 25-29 DEG C, meets production requirement；
3rd, compressor level Four cooling system handles provided underground 1-2 bar return pipings in chlorine in chlorine press original, makes level Four cold
But backwater directly flows into circulating water pool by underground utilities, ensures that temperature needs, and energy-saving.
And a water circulating pump operates for 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 was run by 330 days, and two circulating pumps run 4 simultaneously
Individual 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 increase, directly it can save substantial contribution for enterprise.
From embodiment 1 and the testing result of embodiment 2, found out by above-mentioned testing result, original chlor-alkali acid Workshop Production
System system after technological improvement is feasible, and effectively, can energy-saving and emission-reduction, environmental pollution is small, avoids system corrosion, stifled
Plug.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, 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 is mainly carried out by four aspects：
(1) liquid chlorine package increases 1-2 gas-liquid separator；(2) the useless chlorine pipeline of chlorine processing section is replaced by CPVC pipes by carbon steel pipe, and increases
1-3 water conservancy diversion blowoff valve；(3) chlorine press oil cooler increases 0-5 DEG C of water cooling circuit and cooled down；(4) compressed in chlorine press
Machine level Four cooling system chlorine handles provided underground 1-2 bar return pipings, makes the backwater that level Four cools down directly by 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；Liquid chlorine tank car or steel cylinder packaging terminate rear, it is necessary to which the useless chlorine in pipeline is extracted into through useless chlorine pipeline
In absorption tower, absorbing reaction is carried out with alkali 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 air.
3. the improved method of chlor-alkali acid Workshop Production systems technology according to claim 1, it is characterised in that：Chlorine is handled
The useless chlorine pipeline of section is replaced by CPVC pipes by carbon steel pipe, and increases 1-3 water conservancy diversion blowoff valve in CPVC pipes afterbody；Absorbed in accident chlorine
Gas phase pipe afterbody is increased into one 90-105 ° downward elbow in tower.Chlorine in accident condition enters waste chlorine absorption tower
Bottom, with top come alkali lye counter current contacting, carry out absorbing reaction；So as to avoid alkali lye splash from entering in pipe；And by bottom
Length be that 15m, DN200 carbon steel waste chlorine piping foundation is CPVC pipelines, be directly connected to CPVC pipelines and increase 1-3
Water conservancy diversion blowoff 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 0-5 DEG C of water cooling circuit and cooled down；Chlorine press oil cooler increases a 0-5 DEG C of water cooling circuit so that
Oil temperature can be controlled 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 provided underground 1-2 bar return pipings in chlorine, the backwater that level Four cools down directly is passed through buried pipe
Line flows into circulating water pool, and push back pond without inflow nothing delivers to circulating water pool by water circulating pump again, saves a large amount of power consumptions.
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| CN201710944826.7A CN107804859B (en) | 2017-09-30 | 2017-09-30 | The improved method of chlor-alkali acid Workshop Production systems technology |
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| CN201710944826.7A CN107804859B (en) | 2017-09-30 | 2017-09-30 | The improved method of chlor-alkali acid Workshop Production systems technology |
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| CN107804859B CN107804859B (en) | 2019-07-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110314623A (en) * | 2019-08-02 | 2019-10-11 | 广西柳化氯碱有限公司 | A kind of liquid chlorine pollution discharge method |
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| GB2395946A (en) * | 2002-12-05 | 2004-06-09 | Thomas Altmann | Extracting sodium chloride from seawater, using nanofiltration |
| CN102134084A (en) * | 2011-01-22 | 2011-07-27 | 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 |
| CN105179940A (en) * | 2015-08-13 | 2015-12-23 | 湖北兴发化工集团股份有限公司 | Liquid chlorine conveying equipment and process thereof |
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2017
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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 |
| GB2395946A (en) * | 2002-12-05 | 2004-06-09 | Thomas Altmann | Extracting sodium chloride from seawater, using nanofiltration |
| CN102134084A (en) * | 2011-01-22 | 2011-07-27 | 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 |
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| CN110314623A (en) * | 2019-08-02 | 2019-10-11 | 广西柳化氯碱有限公司 | A kind of liquid chlorine pollution discharge method |
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