CN106367778A - Device and method for recycling heat in high-temperature humid chlorine - Google Patents
Device and method for recycling heat in high-temperature humid chlorine Download PDFInfo
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- CN106367778A CN106367778A CN201610738562.5A CN201610738562A CN106367778A CN 106367778 A CN106367778 A CN 106367778A CN 201610738562 A CN201610738562 A CN 201610738562A CN 106367778 A CN106367778 A CN 106367778A
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/34—Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B15/00—Operating or servicing cells
- C25B15/02—Process control or regulation
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B15/00—Operating or servicing cells
- C25B15/08—Supplying or removing reactants or electrolytes; Regeneration of electrolytes
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
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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
Abstract
The invention discloses a device and method for recycling heat in high-temperature humid chlorine. According to the device, a tube type heat exchanger and a plate type heat exchanger are combined; technological characteristics of caustic soda production are combined; through a certain automatic control interlock system, the heat in the electrolyzed high-temperature humid chlorine is fully recycled for utilization; the use amount of circulating water and consumption of outer net saturated steam are saved; operation unit consumption of a unit product is greatly lowered; and economical efficiency of the device and market competitiveness of an enterprise are improved.
Description
Technical field
The invention belongs to chemical technology field, it is related to diaphragm process or ionic membrane method alkali-chloride production equipment and in particular to one kind
Reclaim the device and method of heat in high temperature moist chlorine.
Background technology
Chlorine industry is with electricity and crude salt as raw material, produces Caustic soda, chlorine and hydrogen using diaphragm process or ionic membrane method
Industry.China's chlorine industry production capacity fast lifting in recent years, presents the feature of scale, but the step of device technique levels
Cut down the swift and violent expansion lagging behind production capacity.If anode and cathode liquid is during electrolytic tank electrolysis, the heat in high temperature moist chlorine does not give
Reclaim, when entering subsequent processing, a large amount of circulating waters need to be leaned on so that the circulation water yield is huge, machine to reasonable temperature
Pump operation power consumption is high；The loss of heat simultaneously leads to system external net saturated vapor dependency degree big, and anolyte is before entering electrolysis bath
A large amount of saturated vapor heating need to be leaned on, this fractional saturation steam accounts for the significant proportion of outer net saturated vapor consumption.Ultimately result in product
Unit cost remains high, and Business Economic Benefit is depressed.
Content of the invention
The present invention be directed to that highly energy-consuming chlorine industry electrolysis high temperature moist chlorine thermal capacitance is high, heat is big and steady sources but not in addition
Using present situation, there is provided the device and method of heat in a kind of recovery high temperature moist chlorine.
The present invention is realized by following technology: a kind of reclaim high temperature moist chlorine in heat device, including electrolysis bath,
Negative electrode gas-liquid separator, anode gas-liquid separator, tubular heat exchanger, plate type heat exchanger and chelate resin tower；Electrolysis bath is respectively
It is connected by pipeline with negative electrode gas-liquid separator, anode gas-liquid separator, anode gas-liquid separator gas phase pipeline is changed with shell and tube
The tube-side inlet of hot device connects, and the shell side inlet of tubular heat exchanger is connected with anolyte conveyance conduit, tubular heat exchanger
Shell-side outlet is connected with plate type heat exchanger cold side input port by heat exchanger intermediate valve, and the shell-side outlet of tubular heat exchanger increases simultaneously
Plus bypass, it is connected with chelate resin tower entrance by recuperator bypass valve, plate type heat exchanger cold side outlet port and chelate resin tower enter
Mouth connects, and plate type heat exchanger hot side entrance is connected with the outer net saturated vapor pipeline being provided with steam inlet valve, plate type heat exchanger heat
Side outlet is connected with steam condensate recovery channel in system, and setting electronic temperature controller in chelate resin tower porch is supplied with steam
Material valve interlocking, chelate resin tower outlet is connected with electrolysis bath entrance.
Further, the tubular heat exchanger that described tubular heat exchanger is made from strong titanium ta2 of corrosion resistance.
Further, described tubular heat exchanger is u-shaped shell-and-tube heat exchanger.
A kind of method that employing said apparatus reclaim heat in high temperature moist chlorine, specifically includes following steps,
A, system are driven the initial stage, and material b flows through tubular heat exchanger, now no thermal source in tubular heat exchanger；Anolyte passes through
Heat exchanger intermediate valve enter plate type heat exchanger, rely only on steam inlet valve offer outer net steam by material b be heated to 55 DEG C～
60 DEG C of entrance chelate resin towers, enter chelate resin tower temperature and steam inlet valve interlocked control；
B, material b deliver in electrolysis bath after removing the divalent heavy metal ions such as calcium, magnesium in chelate resin tower, and are simultaneously introduced electricity
There is electrolysis cell reaction in the material a of solution groove, the cathode product that electrolytic tank electrolysis produce enters negative electrode gas-liquid separator；Anode produces
Thing enters anode gas-liquid separator, and the gaseous phase materials f that anode gas-liquid separator separates go out provides and stablizes heat, and material f enters to fall in lines
The tube side of pipe heat exchanger, carries out heat exchange with the material b entering tubular heat exchanger shell side, material b is heated to necessarily
Temperature；When system is run at low load, the material b flow of system consumption is less, only need to open board-like recuperator bypass valve, row
The heat of pipe heat exchanger is temperature required enough to the material b of necessary flow is heated to technique；System is run under higher load
When, the shortage of heat of tubular heat exchanger is temperature required so that the material b of big flow is heated to technique, now passes through material b
The auxiliary heating of plate type heat exchanger flow process, system realizes stablizing of temperature according to material b temperature interlocking automatic switch steam inlet valve
Precise control.
Further, in above-mentioned electrolysis bath by material a and material b in the presence of unidirectional current electrolytically generated Caustic soda, chlorine
With hydrogen chemical products.
Further, the product being electrolysed out is carried out preliminary air-liquid separation by described cathode and anode gas-liquid separator.
Further, the electrolysis liquid product of negative electrode gas-liquid separator is material c, and electrolysis gas-phase product is Materialien, material
C delivers to postorder storage at lower temperature as product caustic soda, and Materialien delivers to downstream hydrogen treatment process；The electrolyte of anode gas-liquid separator
Phase product is material d and electrolysis gas-phase product is described material f, and then the dechlorinated rear primary brine that returns reuses material d,
Material f delivers to chlorine treatment operation after heat recovery.
Further, the hot side of described tubular heat exchanger is high temperature moist chlorine, and the cold side of tubular heat exchanger is material
B, material f walk tube side, and material b walks shell side.
Further, described chelate resin tower porch arranges electronic temperature controller, and span of control is 55 DEG C～60 DEG C, enters
The temperature of chelate resin tower material b and the open degree interlocked control of steam inlet valve, this temperature value is set according to process conditions
In low report value l, high report value h and Gao Gao report value hh to dcs configuration program, and voice-control alarm is set guarantees into anode electrolytic cell liquid
Temperature.
The beneficial effects of the present invention is: the present invention passes through tubular heat exchanger, the combination of plate type heat exchanger, in conjunction with Caustic soda
The process characteristic producing, the heat in high temperature moist chlorine after being electrolysed using certain Self-control interlock system is fully reclaimed profit
With saving the consumption of recirculated water and the consumption of outer net saturated vapor, substantially reducing the operation unit consumption of unit product.Heat recovery
Rate up to more than 85%, simple to operate, energy-saving effect is obvious.
The present invention, at the initial stage of driving, relies on plate type heat exchanger outer net steam to be that anolyte is heated to suitable temperature and enters electrolysis bath,
When out high temperature moist chlorine to be electrolysed can provide stable heat, can heat for anolyte in tubular heat exchanger, realize heat
Amount reuse, reduces follow-up steam consumption；The present invention passes through to arrange tubular heat exchanger, reclaims profit with system anolyte to be heated
Use this partial heat, its heat utilization ratio, up to 85%, can reduce high temperature moist chlorine and enter the required circulation of cooling during lower procedure
The consumption of water；Outer net saturated vapor consumption can be reduced again, accomplished the abundant reuse of heat, effectively reduce the steam list of product
Consumption；Alleviate investment and the occupation of land of circulating water device simultaneously, saved the operation power consumption of water circulating pump, the economy of high device and
The market competitiveness of enterprise.
Brief description
Fig. 1 is present configuration schematic diagram.
In figure: 1- electrolysis bath；2- negative electrode gas-liquid separator；3- anode gas-liquid separator；4- tubular heat exchanger；5- is board-like
Heat exchanger；6- chelate resin tower；7- steam inlet valve；8- heat exchanger intermediate valve；9- recuperator bypass valve.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings: the material a- catholyte of in figure；Material b- anode
Liquid；Material c- finished product alkali liquor；Material d- light salt brine；Materialien-wet hydrogen；Material f- moist chlorine.
As shown in figure 1, a kind of reclaim high temperature moist chlorine in heat device, including electrolysis bath 1, negative electrode gas-liquid separator 2,
Anode gas-liquid separator 3, tubular heat exchanger 4, plate type heat exchanger 5 and chelate resin tower 6；In the middle of steam inlet valve 7, heat exchanger
Valve 8, recuperator bypass valve 9；Electrolysis bath 1 is connected by pipeline with negative electrode gas-liquid separator 2, anode gas-liquid separator 3 respectively, sun
Pole gas-liquid separator 3 gas phase pipeline is connected with the tube-side inlet of tubular heat exchanger 4, the shell side inlet of tubular heat exchanger 4 with
Anolyte conveyance conduit connects, and the shell-side outlet of tubular heat exchanger 4 passes through heat exchanger intermediate valve 8 and plate type heat exchanger 5 cold side
Entrance connects, and the shell-side outlet of tubular heat exchanger 4 increases bypass simultaneously, is entered with chelate resin tower 6 by recuperator bypass valve 9
Mouthful connect, plate type heat exchanger 5 cold side outlet port is connected with chelate resin tower 6 entrance, plate type heat exchanger 5 hot side entrance be provided with steam
The outer net saturated vapor pipeline of inlet valve 7 connects, and plate type heat exchanger 5 hot side outlet is with steam condensate recovery channel in system even
Connect, chelate resin tower porch setting electronic temperature controller is interlocked with steam inlet valve 7, and chelate resin tower 6 exports and electrolysis bath 1
Entrance connects.The tubular heat exchanger that described tubular heat exchanger is made from strong titanium ta2 of corrosion resistance.Described shell and tube
Heat exchanger is u-shaped shell-and-tube heat exchanger.
A kind of method that employing said apparatus reclaim heat in high temperature moist chlorine, specifically includes following steps,
A, system are driven the initial stage, and anolyte flows through tubular heat exchanger 4, now no thermal source in tubular heat exchanger；Anolyte leads to
Cross heat exchanger intermediate valve 8 and enter plate type heat exchanger 5, anolyte is heated to by the outer net steam relying only on steam inlet valve 7 offer
55 DEG C～60 DEG C entrance chelate resin towers 6, enter chelate resin tower temperature and steam inlet valve 7 interlocked control；
B, anolyte are delivered in electrolysis bath 1 after removing the divalent heavy metal ions such as calcium, magnesium in chelate resin tower 6, with simultaneously plus
There is electrolysis cell reaction in the material a entering, the cathode product that electrolysis bath 1 electrolysis produces enters negative electrode gas-liquid separator 2；Anode produces
Thing enters anode gas-liquid separator 3, and the gas phase high temperature moist chlorine that anode gas-liquid separator 3 is isolated can provide stable heat, row
The hot side of pipe heat exchanger is high temperature moist chlorine, and the cold side of tubular heat exchanger is anolyte, and anode gas-liquid separator 3 is isolated
Gas phase high temperature moist chlorine walk the tube side of tubular heat exchanger 4, anolyte is walked the shell side of pipe heat exchanger 4, is walked the high temperature of tube side
Moist chlorine carries out heat exchange with the anolyte walking shell side, and anolyte is heated to uniform temperature, realizes heat reuse；System exists
When running under underload, the anode flow quantity of system consumption is less, only need to open board-like recuperator bypass valve 9, shell and tube heat exchange
The heat of device 4 is temperature required enough to the anolyte of necessary flow is heated to technique；When system is run under higher load, tubulation
Technique is temperature required to be heated to the anolyte of big flow for the shortage of heat of formula heat exchanger, and now anolyte passes through valve transfer
Assist heating to plate type heat exchanger 5 flow process, system realizes temperature according to anode temperature interlocking automatic switch steam inlet valve 7
Stablize precise control.
Described tubular heat exchanger is to avoid thermal loss, outside need isothermal holding.By catholyte in above-mentioned electrolysis bath 1
With anolyte in the presence of unidirectional current electrolytically generated Caustic soda, chlorine and hydrogen chemical products.Cathode and anode gas-liquid separator is by electricity
Solution product out carries out preliminary air-liquid and separates.
Described chelate resin tower porch arranges electronic temperature controller, enters the temperature of chelate resin tower anolyte and steam supplies
The open degree interlocked control of material valve, this temperature value is set low report value l, high report value h and Gao Gao report value hh extremely according to process conditions
In dcs configuration program, and voice-control alarm is set guarantees the temperature into anode electrolytic cell liquid.
Embodiment 1
A kind of for present invention device reclaiming heat in high temperature moist chlorine is applied to certain 200kt/a ion-exchange membrane caustic soda and produces system
System；Specifically include following steps: drive the initial stage in this system, open heat exchanger intermediate valve 8, close recuperator bypass valve 9, material
B passes through tubular heat exchanger 4 and heat exchanger intermediate valve 8 and enters plate type heat exchanger 5, and the saturated vapor being provided using outer net is by anode
Liquid enters chelate resin tower 6 after heating 60 DEG C, and material b send after removing the divalent heavy metal ions such as calcium, magnesium in chelate resin tower 6
To electrolysis bath 1, there is electrolysis cell reaction with the material a being simultaneously introduced, the cathode product that electrolysis bath 1 electrolysis produces enters cloudy
Pole gas-liquid separator 2；Anodic product enters anode gas-liquid separator 3.The gaseous phase materials f that anode gas-liquid separator 3 is isolated can
There is provided and stablize heat, material f enters the tube side of tubular heat exchanger 4, carry out with the material b entering tubular heat exchanger 4 shell side
Heat exchange, when system is run at low load, the material b flow of system consumption is less, and the heat of tubular heat exchanger be enough to
The material b of necessary flow is heated to technique temperature required, therefore only need to open board-like recuperator bypass valve 9, close in heat exchanger
Between valve 8；When system is run under higher load, the shortage of heat of tubular heat exchanger is to be heated to work by the material b of big flow
Skill is temperature required, now closes recuperator bypass valve 9, opens heat exchanger intermediate valve 8, and material b is passed through plate type heat exchanger 5 two times
Auxiliary is heated to 60 DEG C, and system realizes the stable rationally control of temperature according to material b temperature interlocking automatic switch steam inlet valve 7
System.Material c and material d is electrolysis liquid product, and material c delivers to postorder storage at lower temperature as product caustic soda, after material d is then dechlorinated
Return primary brine to reuse；Materialien and material f are electrolysis gas-phase product, and Materialien delivers to downstream hydrogen treatment process, thing
Material f delivers to chlorine treatment operation after heat recovery.After said method, monthly about 90 tons of steam saving consumption, heat returns
Rate of producing effects is up to 87%；Save circulation water consumption 5231m the moon3.
Embodiment 2
A kind of for present invention device reclaiming heat in high temperature moist chlorine is applied to certain diaphragm membrane caustic soda system；Specifically include
Following steps: drive the initial stage in this system, open heat exchanger intermediate valve 8, close recuperator bypass valve 9, material b passes through shell and tube
Heat exchanger 4 and heat exchanger intermediate valve 8 enter plate type heat exchanger 5, using the saturated vapor that outer net provides, anolyte are heated 65 DEG C
Afterwards, enter chelate resin tower 6, material b delivers to electrolysis bath 1 after removing the divalent heavy metal ions such as calcium, magnesium in chelate resin tower 6
In, there is electrolysis cell reaction with the material a being simultaneously introduced, the cathode product that electrolysis bath 1 electrolysis produces enters negative electrode gas-liquid and divides
From device 2；Anodic product enters anode gas-liquid separator 3.The gaseous phase materials f that anode gas-liquid separator 3 is isolated can provide stable
Heat, material f enters the tube side of tubular heat exchanger 4, carries out heat exchange with the material b entering shell side.System is in underload
During lower operation, the material b flow of system consumption is less, and the heat of tubular heat exchanger be enough to the material b heating of necessary flow
Temperature required to technique, therefore only need to open board-like recuperator bypass valve 9, close heat exchanger intermediate valve 8；System is under higher load
During operation, the shortage of heat of tubular heat exchanger is temperature required so that the material b of big flow is heated to technique, now closes heat exchange
Device bypass valve 9, opens heat exchanger intermediate valve 8, and material b is heated to 65 DEG C by 5 two auxiliary of plate type heat exchanger, system according to
Anode temperature interlocking automatic switch steam inlet valve is realized the stable of temperature and is rationally controlled.Material c and material d is electrolysis liquid phase
Product, material c delivers to postorder storage at lower temperature as product caustic soda, and then the dechlorinated rear primary brine that returns reuses material d；Material
E and material f is electrolysis gas-phase product, and Materialien delivers to downstream hydrogen treatment process, and material f delivers at chlorine after heat recovery
Science and engineering sequence.After said method, monthly about 43 tons of steam saving consumption, heat recovery efficiency is up to 85%；The moon saves recirculated water
Consumption 2793m3.
Claims (9)
1. a kind of reclaim high temperature moist chlorine in heat device it is characterised in that: include electrolysis bath (1), negative electrode gas-liquid separator
(2), anode gas-liquid separator (3), tubular heat exchanger (4), plate type heat exchanger (5) and chelate resin tower (6)；Electrolysis bath (1)
It is connected by pipeline with negative electrode gas-liquid separator (2), anode gas-liquid separator (3) respectively, anode gas-liquid separator (3) gas phase pipe
Road is connected with the tube-side inlet of tubular heat exchanger (4), and the shell side inlet of tubular heat exchanger (4) is with anolyte conveyance conduit even
Connect, the shell-side outlet of tubular heat exchanger (4) is connected with plate type heat exchanger (5) cold side input port by heat exchanger intermediate valve (8), with
When tubular heat exchanger (4) shell-side outlet increase bypass, by recuperator bypass valve (9) and chelate resin tower (6) entrance even
Connect, plate type heat exchanger (5) cold side outlet port is connected with chelate resin tower (6) entrance, plate type heat exchanger (5) hot side entrance be provided with steaming
The outer net saturated vapor pipeline of vapour inlet valve (7) connects, and plate type heat exchanger (5) hot side outlet is reclaimed with steam condensate in system
Pipeline connects, and setting electronic temperature controller in chelate resin tower porch is interlocked with steam inlet valve (7), and chelate resin tower (6) goes out
Mouth is connected with electrolysis bath (1) entrance.
2. as claimed in claim 1 a kind of reclaim high temperature moist chlorine in heat device it is characterised in that: described shell and tube changes
The tubular heat exchanger that hot device (4) is made from strong titanium ta2 of corrosion resistance.
3. as claimed in claim 1 a kind of reclaim high temperature moist chlorine in heat device it is characterised in that: described shell and tube changes
Hot device (4) is u-shaped shell-and-tube heat exchanger.
4. a kind of using device as claimed in claim 1 reclaim heat in high temperature moist chlorine method it is characterised in that: concrete wrap
Include following steps,
A, system are driven the initial stage, and material b flows through tubular heat exchanger (4), now no thermal source in tubular heat exchanger；Anolyte leads to
Cross heat exchanger intermediate valve (8) and enter plate type heat exchanger (5), material b is added by the outer net steam that relying only on steam inlet valve (7) provides
Heat enters chelate resin tower (6) to 55 DEG C～60 DEG C, enters chelate resin tower temperature and steam inlet valve (7) interlocked control；
B, material b deliver in electrolysis bath (1), with simultaneously after removing the divalent heavy metal ions such as calcium, magnesium in chelate resin tower (6)
There is electrolysis cell reaction in the material a adding electrolysis bath (1), the cathode product that electrolysis bath (1) electrolysis produces enters negative electrode gas-liquid
Separator (2)；Anodic product enters anode gas-liquid separator (3), and the gaseous phase materials f that anode gas-liquid separator (3) is isolated carries
For stablizing heat, material f enters the tube side of tubular heat exchanger (4), enters with the material b entering tubular heat exchanger (4) shell side
Row heat exchange, material b is heated to uniform temperature；When system is run at low load, the material b flow of system consumption is relatively
Little, only need to open board-like recuperator bypass valve (9), the heat of tubular heat exchanger (4) be enough to the material b heating of necessary flow
Temperature required to technique；When system is run under higher load, the shortage of heat of tubular heat exchanger (4) is with by the thing of big flow
It is temperature required that material b is heated to technique, now material b is passed through the auxiliary heating of plate type heat exchanger (5) flow process, system is according to material b
Temperature interlocking automatic switch steam inlet valve (7) realizes the stable precise control of temperature.
5. as claimed in claim 4 a kind of reclaim high temperature moist chlorine in heat method it is characterised in that: described electrolysis bath
(1) in by material a and material b in the presence of unidirectional current electrolytically generated Caustic soda, chlorine and hydrogen chemical products.
6. as claimed in claim 4 a kind of reclaim high temperature moist chlorine in heat method it is characterised in that: described cathode and anode
The product being electrolysed out is carried out preliminary air-liquid and separates by gas-liquid separator.
7. as claimed in claim 4 a kind of reclaim high temperature moist chlorine in heat method it is characterised in that: negative electrode gas-liquid separation
The electrolysis liquid product of device (2) is material c, and electrolysis gas-phase product is Materialien, and material c delivers to postorder cooling storage as product caustic soda
Deposit, Materialien delivers to downstream hydrogen treatment process；The electrolysis liquid product of anode gas-liquid separator (3) is material d and electrolysis gas phase
Product is described material f, and then the dechlorinated rear primary brine that returns reuses material d, and material f delivers to chlorine after heat recovery
Gas disposal operation.
8. as claimed in claim 4 a kind of reclaim high temperature moist chlorine in heat method it is characterised in that: described shell and tube changes
The hot side of hot device (4) is high temperature moist chlorine, and the cold side of tubular heat exchanger (4) is material b, and material f walks tube side, and material b walks shell
Journey.
9. as claimed in claim 4 a kind of reclaim high temperature moist chlorine in heat method it is characterised in that: described chelating resin
Tower porch arranges electronic temperature controller, and span of control is 55 DEG C～60 DEG C, enters the temperature of chelate resin tower material b and steam supplies
The open degree interlocked control of material valve, this temperature value is set low report value l, high report value h and Gao Gao report value hh extremely according to process conditions
In dcs configuration program, and voice-control alarm is set guarantees the temperature into anode electrolytic cell liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610738562.5A CN106367778B (en) | 2016-08-29 | 2016-08-29 | A kind of device and method recycling heat in high temperature moist chlorine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610738562.5A CN106367778B (en) | 2016-08-29 | 2016-08-29 | A kind of device and method recycling heat in high temperature moist chlorine |
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| CN106367778A true CN106367778A (en) | 2017-02-01 |
| CN106367778B CN106367778B (en) | 2018-11-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113154796A (en) * | 2021-03-23 | 2021-07-23 | 金川集团股份有限公司 | Variable multi-cycle oxygen-nitrogen cold energy utilization device and method for recycling oxygen-nitrogen resources |
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| 潘柏茂等: "氯气余热利用", 《中国氯碱》 * |
| 赫荣军: "氯气—精盐水热交换余热利用工艺探讨", 《氯碱工业》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113154796A (en) * | 2021-03-23 | 2021-07-23 | 金川集团股份有限公司 | Variable multi-cycle oxygen-nitrogen cold energy utilization device and method for recycling oxygen-nitrogen resources |
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| CN106367778B (en) | 2018-11-09 |
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