CN201313816Y - A fully-automatic ignition and fully-automatic control hydrochloric acid production device - Google Patents
A fully-automatic ignition and fully-automatic control hydrochloric acid production device Download PDFInfo
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- CN201313816Y CN201313816Y CNU2008201740963U CN200820174096U CN201313816Y CN 201313816 Y CN201313816 Y CN 201313816Y CN U2008201740963 U CNU2008201740963 U CN U2008201740963U CN 200820174096 U CN200820174096 U CN 200820174096U CN 201313816 Y CN201313816 Y CN 201313816Y
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Abstract
The utility model provides a fully-automatic ignition and fully-automatic control hydrochloric acid production device, which comprises a hydrogen inlet pipeline connected with the inlet end of a hydrogen buffer tank; the outlet end of the hydrogen buffer tank is connected with the inlet end of a hydrogen fire arrestor; the outlet end of the hydrogen fire arrestor is connected with the inlet end arranged on the bottom of a graphite synthetic furnace; a chloride inlet pipeline is connected with the inlet end of a chloride buffer tank through a chloride pressure automatic control valve; the outlet end of the chloride buffer tank is connected with the other inlet end on the bottom of the graphite synthetic furnace; an automatic igniter, a flame detector and a camera are connected with the graphite synthetic furnace; the automatic igniter is respectively connected with an ignition hydrogen pipeline, an ignition air pipeline and an ignition nitrogen pipeline; the top part of the graphite synthetic furnace is connected with the chloride hydride inlet end on the top part of a chloride hydride cooler. Compared with prior art, the production device is safe and reliable for operation, needs unattended operation and realizes automatic ignition during ignition process, adopts proportional control during operation process and realizes linkage stop after flame extinction and has simple production process.
Description
Technical field
The utility model provides a kind of hydrochloric acid production equipment, especially a kind of automatic igniting, the hydrochloric acid production equipment of controlling automatically.
Background technology
At present, manual control production equipment is mainly adopted in hydrochloric acid production.Main operation control divided for 3 steps: the 1st beans-and bullets shooter fire, at first open fire door, with the explosion gas in the blower fan suction displacement synthetic furnace, after affirmation can be lighted a fire, must be by operating experience for many years, skilled operative employee's manual regulation hydrogen flowing quantity be arranged, with hand test hydrogen flowing quantity suitable after, directly light hydrogen, then the hydrogen pipe is fixed on the synthetic furnace, the re-adjustment chlorine flowrate is examined flame color with observing, and it is normal to regulate flame, sealing synthetic furnace fire door, ignition phase finishes.The second step amount of carrying, the control must be by operating experience for many years, skilled operative employee's manual regulation hydrogen flowing quantity, chlorine flowrate (flow that also must adjusting absorption water when producing hydrochloric acid) are arranged after light a fire successfully; In this process, must control chlorine and hydrogen molecule than between 1:1.05-1.15, otherwise can cause explosion hazard by judging flame color; After arriving certain production load, the amount of carrying finishes; Have in normal productive process for many years that operating experience, skilled operative employee must observe flame color constantly, control chlorine hydrogen molecule ratio is in case the slack synthetic furnace that just might cause explodes.In actual production, the chlorine hydrogen molecule relies on the eye-observation flame color to judge than only, and error is bigger, and varies with each individual, and the adjusting difficulty is big.The 3rd step blowing out, synthetic furnace must be noted that when stopping hydrogen valve and chlorine valve closing sequence, if the hydrogen valve closes lags behind, just may cause that the synthetic furnace personnel that cause of exploding injure.The shortcoming of this production equipment mainly is 1. in the production process, seriously to rely on operative employee's operating experience and skill level; Each step operation in the production process all relies on operator's operating experience, in case misoperation just may cause explosion hazard; 2. labor intensity of operating staff is big, and is dangerous higher; 3. operator require height, and quantity is big, and each has for many years that operating experience, skilled operative employee can only nurse a synthetic furnace, and require constantly to note flame color, personnel's sense of responsibility are required high, and it is many to take personnel.
Summary of the invention
Technical problem to be solved in the utility model is to provide the hydrochloric acid production equipment of a kind of full-automatic igniting, full automatic control, to realize automatic control, the raising control accuracy.
The utility model is to realize like this, full-automatic igniting, full automatic control hydrochloric acid production equipment, it has the hydrogen admission line through string hydrogen trip valve together, the hydrogen pressure internally piloted valve links to each other with the hydrogen gas buffer entrance end, the hydrogen gas buffer exit end is through hydrogen flowmeter, hydrogen automatically controlled valve hydrogen trip valve links to each other with the hydrogen gas fire arrester entrance end, the exit end of hydrogen gas fire arrester links to each other with the entrance end of graphitic synthetic furnace bottom, the hydrogen trip valve links to each other with nitrogen pipeline through the nitrogen trip valve with hydrogen admission line between the hydrogen gas fire arrester, the chlorine admission line links to each other with the Chlorine Buffer Vessel entrance end through the chlorine gas pressure internally piloted valve, the Chlorine Buffer Vessel exit end is through string chlorine flowrate meter together, the chlorine variable valve, the chlorine trip valve links to each other with another entrance end of graphitic synthetic furnace bottom, chlorine admission line behind the chlorine trip valve also links to each other with nitrogen pipeline through another nitrogen trip valve, and through string air cutoff valve together, air flowmeter, air reducing valve links to each other with air line, also be connected with automatic ignitor on the graphitic synthetic furnace, flame detector, camera, automatic ignitor is respectively through pressure regulator valve, trip valve and igniting hydrogen gas lines, the igniting air line, the igniting nitrogen pipeline links to each other, the graphitic synthetic furnace top links to each other with the hydrogen chloride gas entrance end at hydrogen chloride cooler top by pipeline, the hydrogen chloride gas exit end of hydrogen chloride cooler links to each other with hydrogenchloride user pipeline through the gaseous tension internally piloted valve, the hydrogen chloride gas exit end of described hydrogen chloride cooler also links to each other with the hydrogen chloride gas entrance end on I level film-falling absorption tower top, the hydrogen chloride gas exit end of I level film-falling absorption tower bottom links to each other with the hydrogen chloride gas entrance end on II level film-falling absorption tower top, the hydrogen chloride gas exit end of II level film-falling absorption tower bottom links to each other with the hydrogen chloride gas entrance end on III level absorption tower, the hydrogen chloride tail gas exit end is arranged at top, III level absorption tower, absorb water pipeline through internally piloted valve, under meter absorbs the water inlet end with top, III level absorption tower and links to each other, the hydrochloric acid outlet end on III level absorption tower links to each other with the absorption liquid entrance end entrance end on II level film-falling absorption tower top, the hydrochloric acid outlet end of II level film-falling absorption tower links to each other with the absorption liquid entrance end on I level film-falling absorption tower top, and hydrochloric acid outlet is arranged at the bottom of I level film-falling absorption tower.
This full-automatic igniting, full automatic control hydrochloric acid production equipment are compared with traditional production device, have the following advantages:
1, operational safety is reliable, on-the-spot unmanned.Ignition process realizes automatic igniting, ratio control in the operational process, and the chain parking of fray-out of flame, the scene is is just patrolled and examined on time, and complete assembly is realized " fail-safe ", realizes disconnecting connection with interlocked control under abnomal condition.
2, production technique is simple.The production equipment of the utility model does not re-use hydraulic jet pump and tank, has shortened technical process.
3, automatization control, programming operations.Ignition process and control process all realize control automatically, have alleviated operation labour intensity, and personnel's experience is required to reduce relatively.
4, chlorine, hydrogen ratio control are reasonable.Chlorine, hydrogen ratio adopt ratio control, the sum of errors that has produced when having avoided the manual observation flame color to determine chlorine, hydrogen ratio error.
5, operator reduce, and cost reduces.
6, low in the pollution of the environment.The production equipment of the utility model does not produce sour water, is not prone to chlorine accident and explosion hazard, has reduced environmental pollution.
7, be convenient to maintenance, control.
Description of drawings
Fig. 1 is the overall pattern of the utility model structure.
Fig. 2 is the part 1 enlarged view of the overall pattern of the utility model structure.
Fig. 3 is the part 2 enlarged view of the overall pattern of the utility model structure.
Fig. 4 is the 3rd a part enlarged view of the overall pattern of the utility model structure.
Embodiment
Further specify the utility model below in conjunction with accompanying drawing.
As shown in drawings, the full-automatic igniting of the utility model, full automatic control hydrochloric acid production equipment, it has hydrogen admission line 01 through string hydrogen trip valve 01-01 together, hydrogen pressure variable valve 01-02 links to each other with hydrogen gas buffer 01-03 entrance end, the hydrogen gas buffer exit end is through hydrogen flowmeter 01-04, hydrogen automatically controlled valve 01-05, hydrogen trip valve 01-06 links to each other with hydrogen gas fire arrester 01-07 entrance end, the exit end of hydrogen gas fire arrester links to each other with the entrance end of graphitic synthetic furnace 09 bottom, hydrogen trip valve 01-06 links to each other with nitrogen pipeline 03 through nitrogen trip valve 03-01 with hydrogen admission line 01 between the hydrogen gas fire arrester 01-07, chlorine admission line 02 links to each other with Chlorine Buffer Vessel 02-02 entrance end through chlorine gas pressure internally piloted valve 02-01, the Chlorine Buffer Vessel exit end is through string chlorine flowrate meter 02-03 together, chlorine variable valve 02-04, chlorine trip valve 02-05 links to each other with another entrance end of graphitic synthetic furnace 09 bottom, chlorine admission line 02 behind the chlorine trip valve 02-05 also links to each other with nitrogen pipeline 03 through another nitrogen trip valve 03-02, and through string air cutoff valve 04-03 together, air flowmeter 04-02, air reducing valve 04-01 links to each other with air line 04, also be connected with automatic ignitor 12 on the graphitic synthetic furnace, flame detector 10, camera 11, automatic ignitor 12 is respectively through pressure regulator valve, trip valve and igniting hydrogen gas lines 05, igniting air line 07, igniting nitrogen pipeline 06 links to each other, the graphitic synthetic furnace top links to each other by the hydrogen chloride gas entrance end of pipeline with hydrogen chloride cooler 13 tops, the hydrogen chloride gas exit end of hydrogen chloride cooler links to each other with hydrogenchloride user pipeline 23 through gaseous tension internally piloted valve 20, the hydrogen chloride gas exit end of described hydrogen chloride cooler also links to each other with the hydrogen chloride gas entrance end on I level film-falling absorption tower 14 tops, the hydrogen chloride gas exit end of I level film-falling absorption tower bottom links to each other with the hydrogen chloride gas entrance end on II level film-falling absorption tower 15 tops, the hydrogen chloride gas exit end of II level film-falling absorption tower 15 bottoms links to each other with the hydrogen chloride gas entrance end on III level absorption tower 16, the hydrogen chloride tail gas exit end is arranged at 16 tops, III level absorption tower, absorb water pipeline 08 through internally piloted valve 08-01, under meter 08-02 absorbs the water inlet end with 16 tops, III level absorption tower and links to each other, the hydrochloric acid outlet end on III level absorption tower 16 links to each other with the absorption liquid entrance end entrance end on II level film-falling absorption tower 15 tops, the hydrochloric acid outlet end of II level film-falling absorption tower 15 links to each other with the absorption liquid entrance end on I level film-falling absorption tower 14 tops, and hydrochloric acid outlet is arranged at the bottom of I level film-falling absorption tower 14.
During use, each valve, under meter, automatic ignitor, flame detector etc. are electrically connected with DCS distributed control system or programmable controller PLC system.Commonly used is the DCS distributed control system.
The concrete working process of the production equipment of the utility model is to start automatic ignition order by DCS distributed control system or programmable controller PLC system and start auto-ignition system.At first use the nitrogen purging graphitic synthetic furnace, nitrogen purging automatic ignitor 12 and complete assembly with in the igniting nitrogen pipeline 06 stop nitrogen purging behind the certain hour, feed a certain amount of air by air line 04 then, light hydrogen behind the certain hour, realize the safety ignition burning.Flame monitor 10 on the graphitic synthetic furnace detects flame; After automatic ignitor 12 trouble-free burning take place; progressively feed hydrogen by hydrogen admission line 01; the air that hydrogen and air line 04 enter is in the graphitic synthetic furnace internal combustion; behind hydrogen and the air-stable burning certain hour; turn-off the igniting hydrogen of automatic ignitor 12, automatic ignitor 12 extinguishes, and the nitrogen pipeline 06 of lighting a fire is simultaneously opened; in graphitic synthetic furnace, feed small amount of nitrogen, with protection automatic ignitor 12.Subsequently, the air in the stove is progressively replaced by chlorine, and till having only hydrogen of sending into by hydrogen admission line 01 and the chlorine stable burning of sending into by chlorine admission line 02, the ignition trigger process is finished.Chlorine enters graphitic synthetic furnace 09 through chlorine admission line 02, chlorine gas pressure internally piloted valve 02-01, Chlorine Buffer Vessel 02-02, chlorine flowrate meter 02-03, chlorine variable valve 02-04, chlorine trip valve 02-05; Hydrogen enters graphitic synthetic furnace 09 through hydrogen inlet pipe 01 line, hydrogen trip valve 01-01, hydrogen pressure variable valve 01-02, hydrogen gas buffer 01-03, hydrogen flowmeter 01-04, hydrogen automatically controlled valve 01-05, hydrogen trip valve 01-06, hydrogen gas fire arrester 01-07, and chlorine and hydrogen are at the synthesizing chlorinated hydrogen of graphitic synthetic furnace 09 internalization; Hydrogen chloride gas enters hydrogen chloride cooler 13 and cools off, the aperture of the gaseous tension internally piloted valve 20 of the hydrogen chloride gas exit end of adjustment hydrogen chloride cooler 13, the furnace pressure that guarantees graphitic synthetic furnace 09 is stable, and hydrogen chloride gas send the hydrogenchloride user under setting pressure.Another road hydrogen chloride gas is from the hydrogen chloride gas exit end of hydrogen chloride cooler, at first enter I level film-falling absorption tower 14, absorbed generation finished product hydrochloric acid by the dilute hydrochloric acid from II level film-falling absorption tower 15 in tower, finished product hydrochloric acid flows into the finished product hydrochloric acid tank from the hydrochloric acid outlet of I level film-falling absorption tower 14 bottoms; The hydrogen chloride gas that comes out from I level film-falling absorption tower 14 enters II level film-falling absorption tower 15, is absorbed the denseer dilute hydrochloric acid of generation by the dilute hydrochloric acid from III level absorption tower 16 in tower; The hydrogen chloride gas that II level film-falling absorption tower 15 comes out enters III level absorption tower 16, in tower, be absorbed water pipeline 08 effusive absorption water and absorb generation dilute hydrochloric acid, the flow that absorbs water utilizes under meter 08-02 from DCS distributed control system input preset proportion, the aperture that the flux values of tracking chlorine flowrate meter 02-03 is regulated internally piloted valve 08-01 automatically, thereby regulate absorption discharge automatically by under meter 08-02, guarantee to produce qualified finished product hydrochloric acid; The direct emptying of hydrogen chloride tail gas exit end tail gas discharged from 16 tops, III level absorption tower; From the effusive condensation acid in graphitic synthetic furnace 09 bottom, enter condensation acid tank stores through condensation acid tube line 24 together from the effusive condensation acid in hydrogen chloride cooler 13 bottoms.
When there are abnormal conditions in the hydrogen chloride gas user, can be by reducing the aperture of gaseous tension internally piloted valve 20, open and increase the aperture of hydrogen chloride absorption by-pass valve control 21 simultaneously, guarantee under the steady situation about reducing of the furnace pressure of graphitic synthetic furnace 09, hydrogen chloride gas is all changed over to the hydrogen chloride gas absorption system, to reduce impact to total system; Unusually in emergency circumstances, under failing to give notice, the hydrogen chloride gas user cuts off the use of hydrogen chloride gas, can interlock and open the furnace pressure that hydrogenchloride trip valve 22 comes balance graphitic synthetic furnace 09, open and increase the aperture of hydrogen chloride absorption by-pass valve control 21 then, guarantee under the steady situation about reducing of the furnace pressure of graphitic synthetic furnace 09, hydrogen chloride gas is all changed over to the hydrogen chloride gas absorption system, to reduce impact to total system.
In the production control process, hydrogen flowing quantity and chlorine flowrate adopt ratio control.Under certain production load, regulate hydrogen automatically controlled valve 01-05 control hydrogen flowmeter 01-04 and meet the requirements of the hydrogen stream value, DCS distributed control system passing ratio calculates, calculate the flow that chlorine needs, then by contrasting the aperture of regulating chlorine variable valve 02-04 automatically with chlorine flowrate meter 02-03, the proportioning that guarantees hydrogen and chlorine is always maintained at a suitable scope, normally chlorine and hydrogen molecule are than between 1:1.05-1.15, just the flow of hydrogen and chlorine is to measure with the chlorine flowrate meter 02-03 and the hydrogen flowmeter 01-04 that are installed on chlorine admission line 02 and the hydrogen admission line 01, and each under meter sends signal to the DCS distributed control system.The DCS distributed control system sends order to chlorine variable valve 02-04 by after calculating two signals of contrast, makes its hydrogen flowing quantity according to reality regulate chlorine flowrate.In order to increase throughput, can be directly the set(ting)value of hydrogen flowing quantity be increased to needed value.The also corresponding adjustment of flow of chlorine simultaneously is to guarantee the suitable charge proportion of hydrogen and chlorine.So just fully guaranteed the purity of hydrogen chloride gas, the aperture of gaseous tension internally piloted valve 20 of the hydrogen chloride gas exit end by control hydrogen chloride cooler 13, the furnace pressure that guarantees graphitic synthetic furnace is stable, guarantees that simultaneously hydrogen chloride gas send the hydrogenchloride user under setting pressure.
In whole process of production, flame monitor 10 is flame detection always, in case breakdown of flame or appearance are unexpected, the graphitic synthetic furnace 09 of interlocking immediately stops, just directly close hydrogen trip valve 01-06, chlorine trip valve 02-05, automatically the nitrogen trip valve 03-01 and another nitrogen trip valve 03-02 on the nitrogen pipeline 03 that open simultaneously on the logical hydrogen admission line 01 charge into the interior gas of nitrogen replacement whole production device, the protection graphitic synthetic furnace; Therefore during the synthetic furnace production run, operator just patrol and examine production scene at regular intervals, inspection has or not the run, drip, leak phenomenon, not needing personnel to see at the scene the flame color of graphitic synthetic furnace 09 is controlled produces and by adjusting the proportion of production control hydrogenchloride purity of chlorine and hydrogen, does not also need to regulate hydrogenchloride and go user's valve to come steady pressure.
When ordinary production is stopped; by reducing the aperture of gaseous tension internally piloted valve 20; open and increase the aperture of hydrogen chloride absorption by-pass valve control 21 simultaneously; guarantee under the situation of the furnace pressure steady decrease of graphitic synthetic furnace; hydrogen chloride gas is all changed over to absorption system; give an order by the DCS distributed control system then; directly close hydrogen trip valve 01-06; chlorine trip valve 02-05; automatically the nitrogen trip valve 03-01 and another nitrogen trip valve 03-02 on the nitrogen pipeline 03 that open simultaneously on the logical hydrogen admission line 01 charge into the interior gas of nitrogen replacement whole production device, the protection graphitic synthetic furnace.
On the igniting hydrogen gas lines 05 pressure regulator valve 05-01 and trip valve 05-02 are arranged, igniting nitrogen pipeline 06 has pressure regulator valve 06-01, trip valve 06-02, trip valve 06-03; Igniting air line 07 has pressure regulator valve 07-01 and trip valve 07-02.
Claims (1)
1, full-automatic igniting, full automatic control hydrochloric acid production equipment, it is characterized in that, it has hydrogen admission line (01) through string hydrogen trip valve (01-01) together, hydrogen pressure internally piloted valve (01-02) links to each other with hydrogen gas buffer (01-03) entrance end, the hydrogen gas buffer exit end is through hydrogen flowmeter (01-04), hydrogen automatically controlled valve (01-05), hydrogen trip valve (01-06) links to each other with hydrogen gas fire arrester (01-07) entrance end, the exit end of hydrogen gas fire arrester links to each other with the entrance end of graphitic synthetic furnace (09) bottom, hydrogen trip valve (01-06) links to each other with nitrogen pipeline (03) through nitrogen trip valve (03-01) with hydrogen admission line (01) between the hydrogen gas fire arrester (01-07), chlorine admission line (02) links to each other with Chlorine Buffer Vessel (02-02) entrance end through chlorine gas pressure internally piloted valve (02-01), the Chlorine Buffer Vessel exit end is through string chlorine flowrate meter (02-03) together, chlorine variable valve (02-04), chlorine trip valve (02-05) links to each other with another entrance end of graphitic synthetic furnace (09) bottom, chlorine admission line (02) behind the chlorine trip valve (02-05) also links to each other with nitrogen pipeline (03) through another nitrogen trip valve (03-02), and through string air cutoff valve (04-03) together, air flowmeter (04-02), air reducing valve (04-01) links to each other with air line (04), also be connected with automatic ignitor (12) on the graphitic synthetic furnace, flame detector (10), camera (11), automatic ignitor (12) is respectively through pressure regulator valve, trip valve and igniting hydrogen gas lines (05), igniting air line (07), igniting nitrogen pipeline (06) links to each other, the graphitic synthetic furnace top links to each other by the hydrogen chloride gas entrance end of pipeline with hydrogen chloride cooler (13) top, the hydrogen chloride gas exit end of hydrogen chloride cooler links to each other with hydrogenchloride user pipeline (23) through gaseous tension internally piloted valve (20), the hydrogen chloride gas exit end of described hydrogen chloride cooler also links to each other with the hydrogen chloride gas entrance end on I level film-falling absorption tower (14) top, the hydrogen chloride gas exit end of I level film-falling absorption tower bottom links to each other with the hydrogen chloride gas entrance end on II level film-falling absorption tower (15) top, the hydrogen chloride gas exit end of II level film-falling absorption tower (15) bottom links to each other with the hydrogen chloride gas entrance end on III level absorption tower (16), the hydrogen chloride tail gas exit end is arranged at top, III level absorption tower (16), absorb water pipeline (08) through internally piloted valve (08-01), under meter (08-02) absorbs the water inlet end with top, III level absorption tower (16) and links to each other, the hydrochloric acid outlet end on III level absorption tower (16) links to each other with the absorption liquid entrance end entrance end on II level film-falling absorption tower (15) top, the hydrochloric acid outlet end of II level film-falling absorption tower (15) links to each other with the absorption liquid entrance end on I level film-falling absorption tower (14) top, and hydrochloric acid outlet is arranged at the bottom of I level film-falling absorption tower (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201740963U CN201313816Y (en) | 2008-10-26 | 2008-10-26 | A fully-automatic ignition and fully-automatic control hydrochloric acid production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201740963U CN201313816Y (en) | 2008-10-26 | 2008-10-26 | A fully-automatic ignition and fully-automatic control hydrochloric acid production device |
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| CN201313816Y true CN201313816Y (en) | 2009-09-23 |
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| CNU2008201740963U Expired - Lifetime CN201313816Y (en) | 2008-10-26 | 2008-10-26 | A fully-automatic ignition and fully-automatic control hydrochloric acid production device |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102009952A (en) * | 2010-10-26 | 2011-04-13 | 陕西天宏硅材料有限责任公司 | Decompression acid making process of polysilicon 10barg HCl (hydrogen chloride) tail gas |
| CN103420339A (en) * | 2013-08-06 | 2013-12-04 | 上海天三自控有限公司 | Negative pressure and positive pressure auto-ignition method for hydrogen chloride synthesizing furnace |
| CN104401943A (en) * | 2014-09-30 | 2015-03-11 | 南通星球石墨设备有限公司 | Hydrogen chloride synthetic furnace control system |
| CN105259940A (en) * | 2015-11-24 | 2016-01-20 | 青海盐湖工业股份有限公司 | Control system of hydrogen chloride synthesis purity |
| CN106406255A (en) * | 2016-08-16 | 2017-02-15 | 新疆天业（集团）有限公司 | DCS control method for gas supply process in hydrogen chloride production |
| CN106444651A (en) * | 2016-08-16 | 2017-02-22 | 新疆天业（集团）有限公司 | DCS control method of acid making process in hydrogen chloride production |
| CN107840307A (en) * | 2017-11-30 | 2018-03-27 | 南通星球石墨设备有限公司 | A kind of HCl gas synthesis driving system |
| CN110589769A (en) * | 2019-09-17 | 2019-12-20 | 德州实华化工有限公司 | Automatic chlorine-hydrogen ratio control method and system for hydrogen chloride synthesis furnace and synthesis furnace |
| CN112050655A (en) * | 2020-09-11 | 2020-12-08 | 唐山三友氯碱有限责任公司 | Control method of automatic ignition and flame detection system of hydrogen chloride synthesis furnace |
| CN113124318A (en) * | 2021-04-20 | 2021-07-16 | 南通星球石墨股份有限公司 | Automatic hydrogen and chlorine proportioning system for hydrochloric acid synthesis furnace and control method |
-
2008
- 2008-10-26 CN CNU2008201740963U patent/CN201313816Y/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102009952A (en) * | 2010-10-26 | 2011-04-13 | 陕西天宏硅材料有限责任公司 | Decompression acid making process of polysilicon 10barg HCl (hydrogen chloride) tail gas |
| CN102009952B (en) * | 2010-10-26 | 2012-11-28 | 陕西天宏硅材料有限责任公司 | Decompression acid making process of polysilicon 10barg HCl (hydrogen chloride) tail gas |
| CN103420339A (en) * | 2013-08-06 | 2013-12-04 | 上海天三自控有限公司 | Negative pressure and positive pressure auto-ignition method for hydrogen chloride synthesizing furnace |
| CN103420339B (en) * | 2013-08-06 | 2016-05-18 | 上海天三自控有限公司 | The negative pressure of hydrogen chloride synthetic furnace and malleation autoignition means |
| CN104401943A (en) * | 2014-09-30 | 2015-03-11 | 南通星球石墨设备有限公司 | Hydrogen chloride synthetic furnace control system |
| CN105259940A (en) * | 2015-11-24 | 2016-01-20 | 青海盐湖工业股份有限公司 | Control system of hydrogen chloride synthesis purity |
| CN106406255A (en) * | 2016-08-16 | 2017-02-15 | 新疆天业（集团）有限公司 | DCS control method for gas supply process in hydrogen chloride production |
| CN106444651A (en) * | 2016-08-16 | 2017-02-22 | 新疆天业（集团）有限公司 | DCS control method of acid making process in hydrogen chloride production |
| CN107840307A (en) * | 2017-11-30 | 2018-03-27 | 南通星球石墨设备有限公司 | A kind of HCl gas synthesis driving system |
| CN110589769A (en) * | 2019-09-17 | 2019-12-20 | 德州实华化工有限公司 | Automatic chlorine-hydrogen ratio control method and system for hydrogen chloride synthesis furnace and synthesis furnace |
| CN110589769B (en) * | 2019-09-17 | 2021-04-23 | 德州实华化工有限公司 | Automatic chlorine-hydrogen ratio control method and system for hydrogen chloride synthesis furnace and synthesis furnace |
| CN112050655A (en) * | 2020-09-11 | 2020-12-08 | 唐山三友氯碱有限责任公司 | Control method of automatic ignition and flame detection system of hydrogen chloride synthesis furnace |
| CN112050655B (en) * | 2020-09-11 | 2022-05-31 | 唐山三友氯碱有限责任公司 | Control method of automatic ignition and flame detection system of hydrogen chloride synthesis furnace |
| CN113124318A (en) * | 2021-04-20 | 2021-07-16 | 南通星球石墨股份有限公司 | Automatic hydrogen and chlorine proportioning system for hydrochloric acid synthesis furnace and control method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090923 |
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| CX01 | Expiry of patent term |