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CN105457575B - Chloride final product quality control technique - Google Patents

Chloride final product quality control technique Download PDF

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Publication number
CN105457575B
CN105457575B CN201410463324.9A CN201410463324A CN105457575B CN 105457575 B CN105457575 B CN 105457575B CN 201410463324 A CN201410463324 A CN 201410463324A CN 105457575 B CN105457575 B CN 105457575B
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medium
pipeline
thermostatic
condenser
temperature
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CN201410463324.9A
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CN105457575A (en
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张宝权
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Abstract

The present invention relates to a kind of chloride final product quality control technique, it is that material is put into chlorination tank, start thermostatic medium, thermostatic medium flows to thermostatic medium heat exchanger and thermostatic medium condenser by chlorination tank chuck, thermostatic medium heat exchange station is flowed to again, reusable heat medium is heated to thermostatic medium, when temperature reaches needs temperature, stop being heated to thermostatic medium, reactor starts logical chlorine, is circulated using the reaction liberated heat of reactor, the heat being more than that reactor is released, partial heat is absorbed by cycle condenser, temperature adjustment is carried out with circulation heat exchanger.The invention is once heated using external heat source in the logical chlorine process of chloride production to thermostatic medium, be not required to be switched with cold and hot medium control the temperature of reactor, medium is in certain temperature range interior circulation, it is ensured that chlorination temperature in the kettle it is constant, the temperature difference is small, thermal loss is constant, reduces impurity wind, the flat permanent and conversion ratio stabilization of chemistry, improve product quality, process is simple, it is easy to operate, it is pollution-free.

Description

Chloride final product quality control technique
Technical field
The present invention relates to a kind of chloride final product quality control technique.
Background technology
At present, the temperature of reactor is heated and chuck using electrical heating and coil pipe mostly in the logical chlorine process of chloride production The mode of heating, is switched to control the temperature of reactor with cold and hot medium, and the temperature easily caused in reactor is unstable, is heated Uneven, fast near heating sources heat transfer, slow away from thermal source heat transfer, difference variation is big, causes chemical balance and reaction rate unstable Fixed, temperature control medium when chloride is generated uses water and conduction oil, and because the specific heat of water and conduction oil is excessive, flow velocity is too fast, makes Unstable into thermal loss, flow takes away greatly that heat is more, and the small heat of taking away of flow is few, and thermal loss is more, under causing temperature in the kettle Drop is fast, is unfavorable for chlorination reaction, changes chloride slow, influences yield, and thermal loss is few, causes temperature in the kettle high, chloride Easily there is impurity wind, influence the content of product, tail gas generally intercepts material with glass condenser in chlorination reaction, due to The freezing point of material is higher, wall built-up phenomenon easily occurs, and material hangs over and caused on the outer wall of coiled pipe and the inwall of condenser condensation Device is blocked, and makes pressure rise in kettle, occurs blast when serious, and water, one are used the temperature-reducing medium in glass condenser coiled pipe more The explosion of denier coiled pipe has substantial amounts of water into reactor, and the quality to material is impacted, such as temperature in the kettle more than 100 degree with On, once being broken, water can become water vapour, set off an explosion coiled pipe, cause potential safety hazard, the normal production of influence.
The content of the invention
It is an object of the invention to overcome disadvantages mentioned above, there is provided a kind of chloride final product quality control technique, it is mainly solved Determined the side that the temperature of reactor is heated using electrical heating and coil pipe heating and chuck mostly in the logical chlorine process of chloride production Formula, is switched to control the temperature of reactor with cold and hot medium, and the temperature easily caused in reactor is unstable, is heated uneven, Difference variation is big, causes that chemical balance and reaction rate are unstable, and condenser is easily blocked, and is set off an explosion, and safety in production is made The problems such as being impacted to product quality after into influence and coiled pipe fracture.The object of the present invention is achieved like this, 1, first will In raw material input chlorinating container, start thermostatic medium circulating pump and start the cycle over thermostatic medium, thermostatic medium is connected by pipeline To the thermostatic medium outlet valve outflow that the thermostatic medium inlet valve of chlorinating container, thermostatic medium pass through chlorinating container chuck, Thermostatic medium outlet valve and pipeline are connected, and are confluxed after flowing to thermostatic medium condenser and thermostatic medium air heat exchanger, by pipe Road flows to thermostatic medium heat exchange station, and the thermostatic medium inlet valve and thermostatic medium outlet valve on kettle are normally opened;2nd, thermostatic medium is opened Medium entrance valve on heat exchange station, gives thermostatic medium heat exchange station heat temperature raising, and thermal medium enters house steward and provides by thermal medium, by pipe Road enters thermostatic medium heat exchange station, and house steward is returned by pipeline flow-direction thermal medium by medium after hot-cast socket, thermostatic medium heat exchange station Medium supplement is supplemented by pipeline, when temperature reaches reaction requires temperature, stops heating thermostatic medium heat exchange station, is started Self-loopa, constant temperature circulating medium heat is provided by reactor;3rd, the heat that chlorinating container is produced is in thermostatic medium air heat-exchange Drive air to carry out hot-cast socket with blower fan at device to disperse heat, temp control indicator is housed on pipeline, control thermostatic medium is empty The fan operation of gas heat exchanger, thermostatic medium condenser is that the auxiliary equipment of constant temperature is used to start when temperature rises too fast, permanent Warm medium condenser enters house steward and flows to pipeline equipped with circulating water cooling pipeline by recirculated water, has been exchanged heat by thermostatic medium condenser Pipeline recirculated water is connected to by pipeline after and returns house steward, thermostatic medium heat exchange station is furnished with auxiliary temperature-reducing pipeline, be constant temperature during parking Media for heat exchange station lower the temperature, house steward's flow ipe is entered by cold medium, flow to thermostatic medium heat exchange station heat exchange after the completion of, by pipeline flow-direction Pipeline cold medium returns house steward;4th, when occurring maloperation in production process, can cause temperature rise it is too fast, constant temperature circulating medium without When method takes away heat, start cold medium circulation and lowered the temperature, cold medium is squeezed into by cold medium heat exchange station cold medium circulating pump Pipeline, flows to pipeline cold medium and enters house steward, by pipeline flow-direction chlorinating container, through cold Jie of pipeline flow-direction pipeline after heat exchange completion Matter returns house steward, then through pipeline flow-direction cold medium condenser, by flowing to cold medium heat exchange station after hot-cast socket, cold medium condenser is matched somebody with somebody There is circulating water cooling, entering house steward by pipeline recirculated water flows to pipeline, after being exchanged heat through cold medium condenser, followed by pipeline flow-direction pipeline Ring water returns house steward, and cold medium heat exchange station is furnished with circulating water cooling, enters house steward by pipeline recirculated water and flow to pipeline, is exchanged heat through cold medium Stand after the completion of heat exchange, house steward is returned by pipeline flow-direction pipeline recirculated water, the medium supplement of cold medium heat exchange station returns house steward by thermal medium Supplemented by pipeline;5th, continous way chlorination only needs long-term circulation constant temperature medium, and batch (-type) chlorination reaches end when reaction Start cold medium during point to be lowered the temperature, cooling blowing is stopped when reaching blowing temperature;6th, in tail gas in logical chlorine process entrainment of Substantial amounts of material, need to be intercepted with glass condenser, and tail gas enters glass condenser by chlorinating container by gas phase pipe, warp Gas after glass condenser cooling is intercepted enters tail gas absorption, and vavuum pump and air-cooler, air warp are started before logical chlorine is started After crossing air heat exchanger cooling, glass condenser is sent into by pipeline, vavuum pump is entered by pipeline after glass condenser hot-cast socket, Amplify gas through vavuum pump heel row, switch when the coiled pipe outer wall and glass condenser inwall of glass condenser have material wall built-up phenomenon Pipeline, starts air-heater, and air sends into glass condenser after hot-air heat exchanger is heated by pipeline, through glass condenser heat Vavuum pump is entered by pipeline after conversion, gas is amplified through vavuum pump heel row, hot-air is molten the material of wall built-up by glass condenser Change is back to and continues chlorination in kettle;7th, the hot-air of glass condenser discharge can also be utilized to coil tube heating by the material of wall built-up Dissolve, return chlorination tank and continue chlorination, when glass condenser coiled pipe is broken, because the pressure in kettle is more than the pressure in coiled pipe Power, tail gas can take away absorption by vavuum pump, and the coiled pipe in glass condenser is divided to two groups, and condenser has two or more sets.The invention Thermostatic medium is once heated using external heat source in the logical chlorine process of chloride production, is not required to be switched with cold and hot medium control The temperature of reactor, medium is in certain temperature range interior circulation, it is ensured that chlorination temperature in the kettle it is constant, the temperature difference is small, heat damage Mistake is constant, because temperature can be transferred to most preferably logical chlorine temperature by the stabilization of temperature, due to optimal logical chlorine temperature stabilization, reduces impurity Wind, the flat permanent and conversion ratio stabilization of chemistry, improves the quality of product, due to the stabilization of temperature, the thermostatic medium inlet valve on kettle It is normally opened with thermostatic medium outlet valve, reduce manipulation strength, the coiled pipe in glass condenser is divided into two groups, condenser have two groups or It is multigroup, can be difficult condenser condenser inner wall and the material melting of the outer wall hanging of condenser coiled pipe using air's switching Block, the temperature-reducing medium in condenser coiled pipe is air, only has gas to discharge when coiled pipe is broken, and does not interfere with the product of chloride Quality, will not set off an explosion, and improve safety in production coefficient, and its technical process is simple, it is easy to operate, pollution-free, is conducive to Promotion and application.
Brief description of the drawings:
Accompanying drawing 1 is the flow chart that chloride final product quality of the present invention controls process system.
Accompanying drawing 2 is the process flow diagram that chloride final product quality of the present invention controls technique.
Highly preferred embodiment of the present invention:
1st, start in raw material input chlorinating container R-01 P-02 thermostatic medium circulating pumps and start the cycle over constant temperature Jie first Matter, thermostatic medium is connected to the thermostatic medium inlet valve of chlorinating container R-01 by pipeline HWS-023-H, and thermostatic medium passes through The thermostatic medium outlet valve outflow of chlorinating container R-01 chucks, thermostatic medium outlet valve and pipeline HWR-024 are connected, and flow direction is permanent Conflux after warm medium condenser E-02 and thermostatic medium air heat exchanger E-03, flowing to thermostatic medium by pipeline HWR-028 changes Heat stations R-02, the thermostatic medium inlet valve and thermostatic medium outlet valve on kettle is normally opened;
2nd, the medium entrance valve on thermostatic medium heat exchange station R-02 is opened, thermostatic medium heat exchange station heat temperature raising is given, is heated Intensification can be carried out according to the temperature that is actually needed of material, and such as phenol leads to chlorine, lead to chlorine temperature in 65-75 degree, and lutidines leads to chlorine In 190-200 degree, thermal medium enters house steward HOS-005-H and provides temperature by thermal medium, is situated between into constant temperature by pipeline HOS-017-H Matter heat exchange station R-02, flows to thermal medium and returns house steward HOR-006-H by medium after hot-cast socket by pipeline HOR-015-H, and constant temperature is situated between The medium supplement of matter heat exchange station is supplemented by pipeline HOS-016-H, when temperature reaches reaction requires temperature, is stopped to constant temperature Media for heat exchange station R-02 is heated, and starts self-loopa, and constant temperature circulating medium heat is provided by reactor R-01;
3rd, the heat that chlorinating container R-01 is produced drives air to enter at thermostatic medium air heat exchanger E-03 with blower fan Row hot-cast socket disperses heat, and temp control indicator is housed on pipeline HWR-028, control thermostatic medium air heat exchanger E-03's Fan operation, because the specific heat of air is small, moment loss heat it is easily-controllable, it is ensured that temperature it is constant, due to the stabilization of temperature, Temperature can be transferred into most preferably logical chlorine temperature carries out constant, and such as phenol leads to chlorine, leads to that chlorine temperature is constant at 70 degree, and lutidines leads to chlorine At 195 degree, thermostatic medium condenser E-02 is that the auxiliary equipment of constant temperature is used to start when temperature rises too fast to temperature, and constant temperature is situated between Matter condenser E-02 enters house steward CWS-002 and flows to pipeline CWS-020 equipped with circulating water cooling pipeline by recirculated water, is situated between by constant temperature Pipeline recirculated water is connected to by pipeline CWR-019 after the completion of matter condenser E-02 heat exchange and returns house steward CWR-001, thermostatic medium heat exchange The R-02 that stands is furnished with auxiliary temperature-reducing pipeline, for thermostatic medium heat exchange station R-02 lowers the temperature during parking, enters house steward LOS-003 by cold medium and flows Enter pipeline LOS-018, flow to after the completion of thermostatic medium heat exchange station R-02 heat exchange, pipeline cold medium is flowed to by pipeline LOR-014 and is returned House steward LOR-004;
4th, when occurring maloperation in production process, temperature can be caused to rise too fast, constant temperature circulating medium cannot be by heat When taking away, start cold medium circulation and lowered the temperature, cold medium is squeezed into by cold medium heat exchange station R-03 cold medium circulating pumps P-01 Pipeline LOS-007, flows to pipeline cold medium and enters house steward LOS-003, and chlorinating container R-01 is flowed to through piping LOS-022, changes Heat flows to pipeline cold medium and returns house steward LOR-004 after completing through pipeline LOR-021, then to flow to cold medium through pipeline LOR-013 cold Condenser E-01, by flowing to cold medium heat exchange station R-03 after hot-cast socket, cold medium condenser E-01 is furnished with circulating water cooling, by managing Road recirculated water enters house steward CWS-002 and flows to pipeline CWS-012, after being exchanged heat through cold medium condenser E-01, is flowed by pipeline CWR-011 House steward CWR-001 is returned to pipeline recirculated water, cold medium heat exchange station R-03 is furnished with circulating water cooling, house steward is entered by pipeline recirculated water CWS-002 flows to pipeline CWS-010, after the completion of being exchanged heat through cold medium heat exchange station R-03, flows to pipeline by pipeline CWR-008 and circulates Water returns house steward CWR-001, and the medium supplement of cold medium heat exchange station R-03 is returned house steward HOR-006-H and passes through pipeline by thermal medium HOR-009-H is supplemented;
5th, continous way chlorination only needs long-term circulation constant temperature medium, and batch (-type) chlorination starts cold when reaction reaches terminal Medium is lowered the temperature, and cooling blowing is stopped when reaching blowing temperature;
6th, need to be intercepted with glass condenser entrainment of substantial amounts of material in tail gas in logical chlorine process, tail gas is by chlorine Change reactor R-01 and glass condenser E-06 is entered by gas phase pipe PG-025, the gas after being intercepted through glass condenser E-06 coolings Body enters tail gas absorption, and vavuum pump P-03 and air-cooler C-01 is started before logical chlorine is started, and air is by air heat exchanger E-04 After cooling, glass condenser E-06 is sent into by pipeline PG-027, entered by pipeline PG-029 after glass condenser E-06 hot-cast sockets Enter vavuum pump P-03, amplify gas through vavuum pump P-03 heel row, when the coiled pipe outer wall and glass condenser E- of glass condenser E-06 06 inwall switches pipeline when having material wall built-up phenomenon, start air-heater C-02, and air is after hot-air heat exchanger E-05 is heated Glass condenser E-06 is sent into by pipeline PG-026, vavuum pump is entered by pipeline PG-029 after glass condenser E-06 hot-cast sockets P-03, gas is amplified through vavuum pump P-03 heel row, and hot-air dissolves the material of wall built-up by glass condenser E-06 and is back to kettle Interior continuation chlorination;
7th, the hot-air of glass condenser E-06 discharges can also be utilized to dissolve the material of wall built-up to coil tube heating, is returned Chlorination tank continues chlorination, and when glass condenser coiled pipe is broken, because the pressure in kettle is more than the pressure in coiled pipe, tail gas can quilt P-03 vavuum pumps take away absorption, do not result in pollution and security incident, and the coiled pipe in glass condenser is divided to two groups, and condenser has many Group, preferably to intercept the material of gas entrainment when air switches.

Claims (1)

1. a kind of chloride final product quality control technique, it is characterised in that:
(1)First by raw material input chlorinating container, start thermostatic medium circulating pump and start the cycle over thermostatic medium, thermostatic medium The thermostatic medium inlet valve of chlorinating container, the thermostatic medium that thermostatic medium passes through chlorinating container chuck are connected to by pipeline Outlet valve is flowed out, and thermostatic medium outlet valve and pipeline are connected, after flowing to thermostatic medium condenser and thermostatic medium air heat exchanger Conflux, by pipeline flow-direction thermostatic medium heat exchange station, the thermostatic medium inlet valve and thermostatic medium outlet valve on kettle are normally opened;
(2)The medium entrance valve on thermostatic medium heat exchange station is opened, is situated between to thermostatic medium heat exchange station heat temperature raising, thermal medium by heat Matter enters house steward's offer, and thermostatic medium heat exchange station is entered by pipeline, is returned by pipeline flow-direction thermal medium by medium after hot-cast socket total Pipe, the medium supplement of thermostatic medium heat exchange station is supplemented by pipeline, when temperature reaches reaction requires temperature, is stopped to constant temperature Media for heat exchange station is heated, and starts self-loopa, and constant temperature circulating medium heat is provided by reactor;
(3)The heat that chlorinating container is produced carries out hot-cast socket by heat at thermostatic medium air heat exchanger with blower fan drive air Amount disperses, and temp control indicator is housed on pipeline, controls the fan operation of thermostatic medium air heat exchanger, thermostatic medium condenser Be constant temperature auxiliary equipment be used for when temperature rise it is too fast when start, thermostatic medium condenser equipped with circulating water cooling pipeline by following Ring water enters house steward and flows to pipeline, and being connected to pipeline recirculated water by pipeline after the completion of being exchanged heat by thermostatic medium condenser returns house steward, Thermostatic medium heat exchange station is furnished with auxiliary temperature-reducing pipeline, for thermostatic medium heat exchange station is lowered the temperature during parking, enters house steward by cold medium and flows into Pipeline, is flowed to after the completion of the heat exchange of thermostatic medium heat exchange station, and house steward is returned by pipeline flow-direction pipeline cold medium;
(4)When occurring maloperation in production process, temperature can be caused to rise too fast, constant temperature circulating medium cannot take away heat When, starting cold medium circulation and lowered the temperature, cold medium squeezes into pipeline by cold medium heat exchange station cold medium circulating pump, flows to pipeline Cold medium enters house steward, and by pipeline flow-direction chlorinating container, heat exchange returns house steward after completing through pipeline flow-direction pipeline cold medium, then passes through Pipeline flow-direction cold medium condenser, by flowing to cold medium heat exchange station after hot-cast socket, cold medium condenser is furnished with circulating water cooling, House steward is entered by pipeline recirculated water and flows to pipeline, after being exchanged heat through cold medium condenser, house steward is returned by pipeline flow-direction pipeline recirculated water, it is cold Media for heat exchange station is furnished with circulating water cooling, enters house steward by pipeline recirculated water and flows to pipeline, after the completion of being exchanged heat through cold medium heat exchange station, House steward is returned by pipeline flow-direction pipeline recirculated water, the medium supplement of cold medium heat exchange station is returned house steward and mended by pipeline by thermal medium Fill;
(5)Continous way chlorination only needs long-term circulation constant temperature medium, and batch (-type) chlorination starts cold Jie when reaction reaches terminal Matter is lowered the temperature, and cooling blowing is stopped when reaching blowing temperature;
(6)Entrainment of substantial amounts of material in tail gas in logical chlorine process, need to be intercepted with glass condenser, tail gas is anti-by chlorination Answer kettle to enter glass condenser by gas phase pipe, the gas after being intercepted through glass condenser cooling enters tail gas absorption, starting Start vavuum pump and air-cooler before logical chlorine, air by pipeline by after air heat exchanger cooling, sending into glass condenser, through glass Vavuum pump is entered by pipeline after condenser hot-cast socket, amplifies gas through vavuum pump heel row, when the coiled pipe outer wall and glass of glass condenser Glass condenser inner wall switches pipeline when having material wall built-up phenomenon, start air-heater, air by after hot-air heat exchanger heating by Pipeline sends into glass condenser, and vavuum pump is entered by pipeline after glass condenser hot-cast socket, and gas, heat are amplified through vavuum pump heel row Air dissolves the material of wall built-up to be back to and continues chlorination in kettle by glass condenser;
(7)The hot-air of glass condenser discharge can also be utilized to dissolve the material of wall built-up to coil tube heating, return chlorination tank Continue chlorination, when glass condenser coiled pipe is broken, because the pressure in kettle is more than the pressure in coiled pipe, tail gas can be by vavuum pump Absorption is taken away, the coiled pipe in glass condenser is divided to two groups, and condenser has multigroup.
CN201410463324.9A 2014-09-12 2014-09-12 Chloride final product quality control technique Expired - Fee Related CN105457575B (en)

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CN201410463324.9A CN105457575B (en) 2014-09-12 2014-09-12 Chloride final product quality control technique

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CN201410463324.9A CN105457575B (en) 2014-09-12 2014-09-12 Chloride final product quality control technique

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CN105457575B true CN105457575B (en) 2017-06-06

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114471400B (en) * 2021-12-30 2023-11-28 苏州市协力化工设备有限公司 Temperature control method and control system for reactor

Citations (6)

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Publication number Priority date Publication date Assignee Title
US6374907B1 (en) * 1999-10-08 2002-04-23 3M Innovative Properties Company Hydrofluoroether as a heat-transfer fluid
DE10241276A1 (en) * 2002-09-06 2004-03-18 Zentes Unitex Gmbh Heat exchanger for maintaining constant temperature in polymers has a heated internal torpedo with ends matched to those of the exchanger body ends forming a polymer flow channel
CN101254451A (en) * 2007-11-29 2008-09-03 苏州昆拓冷机有限公司 Reactor constant temperature freezer
EP2096305A1 (en) * 2008-02-27 2009-09-02 Sophia Antipolis Energie Developpement Facility for generating electricity from solar energy
CN202715402U (en) * 2012-04-13 2013-02-06 广西巴帝食品有限责任公司 Double pipe type circulation heat exchange matching system
CN203635190U (en) * 2013-11-29 2014-06-11 广东中泽重工有限公司 Jacketed type reaction kettle

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6374907B1 (en) * 1999-10-08 2002-04-23 3M Innovative Properties Company Hydrofluoroether as a heat-transfer fluid
DE10241276A1 (en) * 2002-09-06 2004-03-18 Zentes Unitex Gmbh Heat exchanger for maintaining constant temperature in polymers has a heated internal torpedo with ends matched to those of the exchanger body ends forming a polymer flow channel
CN101254451A (en) * 2007-11-29 2008-09-03 苏州昆拓冷机有限公司 Reactor constant temperature freezer
EP2096305A1 (en) * 2008-02-27 2009-09-02 Sophia Antipolis Energie Developpement Facility for generating electricity from solar energy
CN202715402U (en) * 2012-04-13 2013-02-06 广西巴帝食品有限责任公司 Double pipe type circulation heat exchange matching system
CN203635190U (en) * 2013-11-29 2014-06-11 广东中泽重工有限公司 Jacketed type reaction kettle

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