CN103965963A - Chlorinated paraffin production equipment and automatic control system - Google Patents
Chlorinated paraffin production equipment and automatic control system Download PDFInfo
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- CN103965963A CN103965963A CN201410107834.2A CN201410107834A CN103965963A CN 103965963 A CN103965963 A CN 103965963A CN 201410107834 A CN201410107834 A CN 201410107834A CN 103965963 A CN103965963 A CN 103965963A
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Abstract
The invention discloses chlorinated paraffin production equipment and an automatic control system in order to solve the problems that manual parameter adjustment operation is difficult and the higher working risk exists in conventional chlorinated paraffin production. Under the control of the automatic control system, the chlorinated paraffin production equipment realizes automatic and manual seamless joint according to set control parameters of a production technique, so that safety of the production equipment and a production place during production is improved better, further, reaction conditions of reaction kettles are optimal, and safe and efficient production is realized.
Description
Technical field
The present invention relates to chemical production equipment technical field, refer to especially chlorinated paraffin producing apparatus and automatic control system.
Background technology
Clorafin traditional technology, aspect production control, all adopt by-pass valve control manually to realize the control of pressure, flow and the temperature of reaction of chlorine, require aborning workman's energy high concentration, workload is large especially, and be difficult to accurately reach process control parameter requirement, it is defective that side reaction increases quality product.
In addition, chlorination is the reaction of introducing chlorine atom in the molecule of compound, and this technological reaction is an exothermic process: especially under comparatively high temps, carry out chlorination, react more violent, speed is fast, and thermal discharge is larger, if, just there is the danger of fire or blast in temperature control.
Summary of the invention
The present invention proposes a kind of chlorinated paraffin producing apparatus and automatic control system, solves the artificial problem that has higher risk in parameter operational difficulty lattice and work of adjusting in existing clorafin production.
A kind of chlorinated paraffin producing apparatus, comprising: liquid chlorine storage tank, chlorine liquid carburetor, liquid chlorine surge tank, chlorine dispense station, and four connect successively; Six reactors, connect successively, and are connected with described chlorine distribution device respectively; Liquid wax storage tank, is connected with reactor described in first; Work in-process still, is connected with the 6th described reactor; Degassed still, is connected with described work in-process still; Cold circulation device, is connected with the interlayer of six described reactors respectively by pipeline; Temperature regulating device, is connected with the chuck of described chlorine liquid carburetor,
Wherein, between described liquid chlorine storage tank and described chlorine liquid carburetor, chlorine dispense station with on six described reactor connecting tubes, the outlet of described liquid wax storage tank, described cold circulation device be connected the outer flow control valve that is provided with interlayer junction and the control device of six described reactors with described chlorine liquid carburetor chuck.
As further technical scheme, also comprise that exhaust gas processing device comprises: absorption tower, circulation tank, hydrochloric acid storage pool, three connects successively, and wherein, described absorption tower is also connected with six described reactors and described degassed still respectively.
As further technical scheme, described cold circulation device comprises cooling tower, water circulating pump and circulating water pool, and three all connect successively, and wherein, described cooling tower is connected with the interlayer of six described reactors respectively.
As further technical scheme, also comprise chlorine absorption unit and quick stopping mechnism, described chlorine absorption unit is arranged on outside production unit; Described quick stopping mechnism is connected with production unit power switch.
The present invention proposes a kind of Controlling System, comprising:
Temperature-detecting device, is separately positioned on described chlorine liquid carburetor, six described reactors and described cooling tower;
Pressure-detecting device, is separately positioned on described liquid chlorine surge tank, six described reactors and described water circulating pump water outlet;
Flow detector, is separately positioned in the outlet of six described arms and described liquid wax storage tank;
PLC controller, is connected with described temperature-detecting device, described pressure-detecting device, described flow detector respectively;
Setting device, is connected with described PLC controller.
As further technical scheme, also comprise:
Chlorine proofing unit, is connected with described PLC controller;
Liquid chlorine storage tank weight induction device, is connected with described PLC controller;
Combined aural and visual alarm, is connected with described PLC controller.
As further technical scheme, described temperature-detecting device comprises:
Vaporizer temperature detector, is arranged on described liquid chlorine gasifying pot, and is connected with described PLC controller;
Temperature of reaction kettle proofing unit, is arranged in six described reactors, and is connected with described PLC controller;
Temperature of cooling water proofing unit, is arranged on described cooling tower entrance, and is connected with described PLC controller.
As further technical scheme, described pressure-detecting device comprises:
Surge tank pressure-detecting device, is arranged on described liquid chlorine surge tank, and is connected with described PLC controller;
Reactor pressure-detecting device, is arranged in six described reactors, and is connected with described PLC controller;
Cooling water pressure force checking device, is arranged on described water circulating pump water outlet, and is connected with described PLC controller;
Tail gas pressure-detecting device, is arranged in six described reactors, and is connected with described PLC controller.
As further technical scheme, described flow detector comprises:
Prop up flowmeter for pipe, be arranged on each described arm, and be connected with described PLC controller;
Liquid wax under meter, is arranged on the outlet of liquid wax storage tank upper, and is connected with described PLC controller.
As further technical scheme, described setting device comprises:
Liquid chlorine flow control valve, is arranged between described liquid chlorine storage tank and described chlorine liquid carburetor;
Chlorine flowrate variable valve, is arranged on chlorine dispense station and six described reactor connecting tubes;
Wax oil flow control valve, is arranged on the outlet of described liquid wax storage tank;
Cold water flow variable valve, is arranged on the interlayer junction of described cold circulation device and six described reactors;
Stream of warm water adjustable valve, is arranged on outside control device is connected with described chlorine liquid carburetor chuck;
Cooling tower fan swicth regulation device, is arranged in described cold circulation device on cooling tower.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is that the present invention produces structural representation is set;
Fig. 2 is Controlling System structural representation of the present invention.
In figure: 1, liquid chlorine storage tank; 2, liquid wax storage tank; 3, chlorine liquid carburetor; 4, liquid chlorine surge tank; 5, chlorine dispense station; 6, reactor; 7, work in-process still; 8, degassed still; 9, cold circulation device; 10, temperature regulating device; 11, exhaust gas processing device; 12, blowing device.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Fig. 1～Fig. 2, a kind of chlorinated paraffin producing apparatus working process that the present invention proposes is as follows:
Liquid chlorine in liquid chlorine storage tank 1 enters chlorine liquid carburetor 3, by temperature regulating device 10 through chuck hot water heating (water temperature is no more than 40 DEG C), after vaporization, enter liquid chlorine surge tank 4 voltage stabilizings, dry, then measure and enter respectively each reactor 6 by chlorine dispense station 5; Simultaneously, the liquid wax storage tank 2 being connected with reactor described in first 6, the liquid wax of its storage is through being metered into first reactor 6, chlorine and liquid wax synchronously enter into first reactor 6, overflow to second reactor 6 from first reactor 6 again, second reactor 6 is to three reactor 6, until the 6th reactor 6; Each reactor 6 synchronously passes into chlorine, after in question response still 6, chlorine and liquid wax react, while reaching 1.23-1.25, is reaction end to the 6th reactor 6 density, enters afterwards work in-process still 7; After chlorination reaction finishes, the material in the 6th reactor 6 is extracted into degassed still 8 with pump, passes into pressurized air by blowing device 12 in degassed still 8, blow out the hydrogenchloride and the chlorine that in clorafin, dissolve, the gas blowing out send exhaust gas processing device 11; After blowing finishes, add stablizer to become clorafin finished product to degassed still 8, emit from still bottom, after loading barrel packaging, put in storage.
In the most preferred embodiment of a kind of chlorinated paraffin producing apparatus that the present invention proposes, also comprise following technical characterictic:
1, exhaust gas processing device 11 comprises: absorption tower, circulation tank, hydrochloric acid storage pool, and three connects successively, and wherein, described absorption tower is also connected with six described reactors 6 and described degassed still 8 respectively.
The hydrogenchloride and the chlorine that in the byproduct hydrogen chloride that in six reactors 6, chlorination reaction produces and micro-chlorine and degassed still 8, blow out enter graphite modified polypropylene falling film type absorption tower, absorb through circulation diluted acid, the concentration obtaining is that 30% hydrochloric acid enters hydrochloric acid circulation tank, then is thrown in hydrochloric acid storage pool and stored by sour pump.In addition, contain by falling liquid film bottom tail gas out the hydrogenchloride and the chlorine that have not absorbed and enter absorption by Hydrochloric Acid tank, enter the cold alkali liquor absorption of alkali cuvette from absorption by Hydrochloric Acid tank tail gas out and make clorox.By above-mentioned design, tail gas in process of production is all absorbed, not only environmental protection, safety, also generated by product, increases income.
2, described cold circulation device 9 comprises cooling tower, water circulating pump and circulating water pool, and three all connect successively, and wherein, described cooling tower is connected with the interlayer of six described reactors 6 respectively.
Because chlorination reaction in six reactors 6 is thermopositive reaction, along with the carrying out of reaction, the temperature of reaction constantly improves, and the temperature of chlorination reaction will remain on 110 DEG C of left and right, therefore, need in reactor jacket, add water cooling, make temperature of reaction stable, above-mentioned cold circulation device 9 has ensured that chlorination reaction is in optimal reaction temperature.
3, described chlorine liquid carburetor 3 is provided with wash water valve with the bottom of described liquid chlorine surge tank 4, and described liquid chlorine surge tank 4 is also provided with safety valve and emergency blow-down valve, after described safety valve, be disposed with surge tank and vacuum breaker, the outlet of described vacuum breaker is connected with outside alkali pond.
Prevent from cutting off after the air inlet of chlorine liquid carburetor 3, pressure in chlorine vaporizer and described liquid chlorine surge tank 4 still exceeds standard, according to the relevant regulations of pressurized vessel, Chlorine Buffer Vessel is also provided with safety valve and emergency blow-down valve, surge tank, vacuum breaker are set after safety valve, and outlet is caused to alkali pond, guarantee the security of whole production process.
A kind of Controlling System that the present invention proposes, coordinates the control ensureing aforesaid device operation by following control device:
1, vaporescence in vaporizer temperature detector, PLC controller, stream of warm water adjustable valve and liquid chlorine Flux Valve Control chlorine liquid carburetor.
Vaporizer temperature detector is set on chlorine liquid carburetor, detects the interior water temperature of chuck of chlorine liquid carburetor, and send detection data to PLC controller, PLC controller is controlled at 35-40 DEG C by stream of warm water adjustable valve by water temperature in interlayer; When temperature is during when setting 20 DEG C of alarming values or higher than 40 DEG C, liquid chlorine flow control valve cuts out voluntarily; In addition, when temperature is higher than setting when alarming value, combined aural and visual alarm is reported to the police and is started, and reminds operator to note.
2, surge tank pressure-detecting device, PLC controller, liquid chlorine Flux Valve Control liquid chlorine surge tank move under safe pressure.
Surge tank pressure-detecting device is set on liquid chlorine surge tank, detect liquid chlorine surge tank internal pressure, and send detection data to PLC controller, when liquid chlorine surge tank internal pressure≤0.2MPa, equipment normally moves, in the time that surge tank pressure reaches lower bound alarming value 0.25MPA, PLC controller control liquid chlorine flow control valve is adjusted liquid chlorine input automatically, and long-range and acoustic scene light crossing-signal is reported to the police simultaneously; In the time that surge tank pressure reaches high signal alarm, when 0.28MPA, liquid chlorine flow control valve cuts out, and interrupts to liquid chlorine surge tank for chlorine, and wherein, pressure-detecting device sensing range is 0～1.0MPA, is rot-resistant tantalum film sheet.
3, temperature of reaction kettle proofing unit, reactor pressure-detecting device, a flowmeter for pipe, liquid wax under meter, PLC controller, chlorine flowrate variable valve, wax oil flow control valve, the each reactor of cold water flow variable valve control remain under suitable reaction conditions and keep the safety in production.
On each reactor, be provided with temperature of reaction kettle proofing unit and reactor pressure-detecting device, detect each reactor temperature and pressure, and send detection data to PLC controller, when temperature is lower than 110 DEG C or pressure during lower than 0.08Mpa, PLC controller control cold water flow variable valve reduces flow, and long-range and acoustic scene light crossing-signal is reported to the police simultaneously, when single still temperature >=115 DEG C, pressure is during higher than 0.1Mp, PLC controller control chlorine flowrate variable valve cuts out, after certain interval of time, if reactor temperature or pressure are still being limit higher than height, in house steward, entering chlorine trip valve closes, cold water flow variable valve reaches maximum, thereby on can be largely, avoid accident to occur, in addition, in service, the first reactor to the six reactors detect by a flowmeter for pipe, be respectively by the chlorine flowrate variable valve control flux values parameter of the each arm of PLC controller control again: 68, 66, 62, 58, 54, 52, total amount be 360 cubes per hour, the liquid wax storage tank being connected with first reactor detects data transmission to PLC controller by liquid wax under meter, controls the uninterrupted charging of wax oil flow control valve 250 liter per hour per hour.
4, temperature of cooling water proofing unit, cooling water pressure force checking device, PLC controller, cooling tower fan swicth regulation device control water coolant maintain under optimal temperature, and detect cold circulation device and normally move.
In cold circulation device, on cooling tower entrance, be provided with temperature of cooling water proofing unit and cooling water pressure force checking device, detect temperature of cooling water and water circulating pump import water pressure in cold circulation device, and send detection data data to PLC controller, when temperature is during higher than 40 DEG C, the work of cooling tower starting fan; When temperature is during lower than 20 DEG C of design temperatures, cooling tower fan is parked in work; When water circulating pump import water pressure is during below or above set(ting)value, long-range and acoustic scene light crossing-signal is reported to the police, and reminds operator to take measures; In the time of water circulating pump import water pressure <0.1Mp a, stand-by pump starts water supply.
5, liquid chlorine storage tank weight induction device, PLC controller and combined aural and visual alarm impel operator to change liquid chlorine storage tank.
Liquid chlorine storage tank weight induction device, in production run, liquid chlorine storage tank weight induction device is set under liquid chlorine storage tank, with the changes in weight of chlorine in liquid chlorine storage tank, when the weight residue≤5kg of liquid chlorine in liquid chlorine storage tank detected, send out guard signal by the control of PLC controller, to remind operative employee to change liquid chlorine storage tank, and close liquid chlorine flow control valve.
6, tail gas pressure-detecting device, PLC controller and tail gas valve control tail gas valve switch, ensures in reactor that reaction conditions processes perfect condition.
Tail gas pressure-detecting device, when tail gas pressure-detecting device detects that in each reactor, tail gas pressure reaches in limited time high, the tail gas valve of corresponding reactor is opened in the control of PLC controller, and tail gas is directly passed in accident and sprinkling system, and combined aural and visual alarm starts simultaneously.
Corresponding production unit when above-mentioned Controlling System production control, to ensure producing the stable of production unit safe operation and suitable reaction condition, the present invention is also equipped with the safety control of Working environment in production site, as follows:
1, chlorine proofing unit coordinates PLC controller and chlorine absorption unit, in liquid chlorine vaporization post, production plant, liquid chlorine storage tank field, monitoring chlorine leakage in real time, detect data transmission to PLC controller, according to circumstances send sound and light alarm, open corresponding post top hose chlorine vacuum collection system, leakage chlorine is collected into alkali liquor absorption, absorbed by chlorine arresting device and flow to reveal.
2, quick stopping mechnism, comprise that the emergency stop push button being arranged on field control case and the urgency being arranged in watch-keeping cubicle stop reset button, be connected with the control power supply of whole plant, once generation emergency situation, on-the-spot patrol officer in watch-keeping cubicle by terminal control unit or realize and stopping in emergency by emergency stop push button at the scene, after this operation completes, staff thinks opening device again, must press simultaneously urgency in field control case and watch-keeping cubicle Surveillance center stop reset button just can be again to the electronic control of chlorine house steward trip valve, to ensure the absolute control of production environment safety.
Realize the control of whole production unit by above control program, and can adjust according to the difference of raw material the control parameter of production technique, realized automatic, manual slitless connection.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a chlorinated paraffin producing apparatus, is characterized in that, comprising: liquid chlorine storage tank, chlorine liquid carburetor, liquid chlorine surge tank, chlorine dispense station, and four connect successively; Six reactors, connect successively, and are connected respectively with six arms of described chlorine distribution device respectively; Liquid wax storage tank, is connected with reactor described in first; Work in-process still, is connected with the 6th described reactor; Degassed still, is connected with described work in-process still; Cold circulation device, is connected with the interlayer of six described reactors respectively by pipeline; Temperature regulating device, is connected with the chuck of described chlorine liquid carburetor,
Wherein, between described liquid chlorine storage tank and described chlorine liquid carburetor, chlorine dispense station with on six described reactor connecting tubes, the outlet of described liquid wax storage tank, described cold circulation device be connected the outer flow control valve that is provided with interlayer junction and the control device of six described reactors with described chlorine liquid carburetor chuck.
2. chlorinated paraffin producing apparatus as claimed in claim 1, it is characterized in that, also comprise that exhaust gas processing device comprises: absorption tower, circulation tank, hydrochloric acid storage pool, three connects successively, wherein, described absorption tower is also connected with six described reactors and described degassed still respectively.
3. chlorinated paraffin producing apparatus as claimed in claim 1, is characterized in that, described cold circulation device comprises cooling tower, water circulating pump and circulating water pool, and three all connect successively, and wherein, described cooling tower is connected with the interlayer of six described reactors respectively.
4. chlorinated paraffin producing apparatus as claimed in claim 1, is characterized in that, also comprises chlorine absorption unit and quick stopping mechnism, and described chlorine absorption unit is arranged on outside production unit; Described quick stopping mechnism is connected with production unit power switch.
5. the Controlling System to device control described in claim 1-4 any one, is characterized in that, comprising:
Temperature-detecting device, is separately positioned on described chlorine liquid carburetor, six described reactors and described cooling tower;
Pressure-detecting device, is separately positioned on described liquid chlorine surge tank, six described reactors and described water circulating pump water outlet;
Flow detector, is separately positioned in the outlet of six described arms and described liquid wax storage tank;
PLC controller, is connected with described temperature-detecting device, described pressure-detecting device, described flow detector respectively;
Treatment unit, is connected with described PLC controller.
6. Controlling System as claimed in claim 5, is characterized in that, also comprises:
Chlorine proofing unit, is connected with described PLC controller;
Liquid chlorine storage tank weight induction device, is connected with described PLC controller;
Combined aural and visual alarm, is connected with described PLC controller.
7. Controlling System as claimed in claim 5, is characterized in that, described temperature-detecting device comprises:
Vaporizer temperature detector, is arranged on described liquid chlorine gasifying pot, and is connected with described PLC controller;
Temperature of reaction kettle proofing unit, is arranged in six described reactors, and is connected with described PLC controller;
Temperature of cooling water proofing unit, is arranged on described cooling tower entrance, and is connected with described PLC controller.
8. Controlling System as claimed in claim 5, is characterized in that, described pressure-detecting device comprises:
Surge tank pressure-detecting device, is arranged on described liquid chlorine surge tank, and is connected with described PLC controller;
Reactor pressure-detecting device, is arranged in six described reactors, and is connected with described PLC controller;
Cooling water pressure force checking device, is arranged on described water circulating pump water-in, and is connected with described PLC controller;
Tail gas pressure-detecting device, is arranged in six described reactors, and is connected with described PLC controller.
9. Controlling System as claimed in claim 5, is characterized in that, described flow detector comprises:
Prop up flowmeter for pipe, be arranged on each described arm, and be connected with described PLC controller;
Liquid wax under meter, is arranged on the outlet of liquid wax storage tank upper, and is connected with described PLC controller.
10. Controlling System as claimed in claim 5, is characterized in that, described treatment unit comprises:
Liquid chlorine flow control valve, is arranged between described liquid chlorine storage tank and described chlorine liquid carburetor;
Chlorine flowrate variable valve, is arranged on chlorine dispense station and six described reactor connecting tubes;
Wax oil flow control valve, is arranged on the outlet of described liquid wax storage tank;
Cold water flow variable valve, is arranged on the interlayer junction of described cold circulation device and six described reactors;
Stream of warm water adjustable valve, is arranged on outside control device is connected with described chlorine liquid carburetor chuck;
Cooling tower fan swicth regulation device, is arranged in described cold circulation device on cooling tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410107834.2A CN103965963A (en) | 2014-03-24 | 2014-03-24 | Chlorinated paraffin production equipment and automatic control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410107834.2A CN103965963A (en) | 2014-03-24 | 2014-03-24 | Chlorinated paraffin production equipment and automatic control system |
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| CN103965963A true CN103965963A (en) | 2014-08-06 |
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| CN201410107834.2A Pending CN103965963A (en) | 2014-03-24 | 2014-03-24 | Chlorinated paraffin production equipment and automatic control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108203603A (en) * | 2018-02-12 | 2018-06-26 | 丹阳市助剂化工厂有限公司 | Chlorinated paraffin continuous producing apparatus control pressurer system |
| CN108251157A (en) * | 2018-02-12 | 2018-07-06 | 丹阳市助剂化工厂有限公司 | Chlorinated paraffin continuous producing apparatus |
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| US2722557A (en) * | 1950-02-09 | 1955-11-01 | Diamond Alkali Co | Stabilized chlorinated paraffin wax |
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| CN102071060A (en) * | 2011-01-24 | 2011-05-25 | 冀州市大搪化工设备有限公司 | Non-powered cycle continuous chlorinated paraffin production device |
| CN103170220A (en) * | 2013-04-01 | 2013-06-26 | 南京国威化工有限公司 | Continuous vacuum degassing process for chlorinated paraffin and device thereof |
| CN103450942A (en) * | 2013-08-21 | 2013-12-18 | 中建安装工程有限公司 | Device and method for continuously producing chlorinated paraffin-52 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US2722557A (en) * | 1950-02-09 | 1955-11-01 | Diamond Alkali Co | Stabilized chlorinated paraffin wax |
| CN2455720Y (en) * | 2000-11-29 | 2001-10-24 | 王宏力 | Chlorinated paraffin producing apparatus with external circulation heat exchanger |
| CN1424381A (en) * | 2002-12-18 | 2003-06-18 | 宁波市镇海众利化工有限公司 | Devices for continuously producing chlorinated paraffin |
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| CN103170220A (en) * | 2013-04-01 | 2013-06-26 | 南京国威化工有限公司 | Continuous vacuum degassing process for chlorinated paraffin and device thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108203603A (en) * | 2018-02-12 | 2018-06-26 | 丹阳市助剂化工厂有限公司 | Chlorinated paraffin continuous producing apparatus control pressurer system |
| CN108251157A (en) * | 2018-02-12 | 2018-07-06 | 丹阳市助剂化工厂有限公司 | Chlorinated paraffin continuous producing apparatus |
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Application publication date: 20140806 |