CN203382726U - Control device of thermal circulation continuous coal gangue pyrolysis and gasification comprehensive device - Google Patents
Control device of thermal circulation continuous coal gangue pyrolysis and gasification comprehensive device Download PDFInfo
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- CN203382726U CN203382726U CN201320196091.1U CN201320196091U CN203382726U CN 203382726 U CN203382726 U CN 203382726U CN 201320196091 U CN201320196091 U CN 201320196091U CN 203382726 U CN203382726 U CN 203382726U
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Abstract
The utility model provides a control device of a thermal circulation continuous coal gangue pyrolysis and gasification comprehensive device. The control device is characterized in that an industrial control center is connected with a feeding belt conveyor, a discharging conveyor, a tail gas fan and a spray water pump which are used for moisture regulation, dehydration and tail gas water bath purification of coal gangue, an in-furnace coal gangue bucket elevator, an in-furnace coal gangue belt conveyor, a hinged cage sealed discharging device, a combustion chamber thermometer, a rotating direction-changing motor, an air fan, a coal gas fan, a waste gas fan and a raw coal gas thermometer are used for pyrolysis and gasification of the coal gangue, as well as a regulating wheel, a coal gas fan unit, a saturated active coke bucket elevator and an unsaturated active coke bucket elevator which are used for recovery and purification of raw coal gas, and the working of all the components is automatically controlled by the industrial control center. The control device provided by the utility model can be used for enabling a pyrolysis and gasification process of the coal gangue to be stably controlled and realizing high production efficiency by controlling all the equipment in the thermal circulation continuous coal gangue pyrolysis and gasification comprehensive process.
Description
Technical field
The utility model relates to the control device of the continuous coal gangue pyrolytic gasification of the technology of coal gangue pyrolytic gasification, particularly thermal cycling integration unit.
Background technology
Coal gangue---the stone of selecting from raw coal, be the waste residue of coal separating plant, bad processing, China has the coal gangue of more than one hundred million tons not utilize every year, and still continues to discharge about 100Mt every year, not only piles up and takes up an area, and can also the spontaneous combustion polluted air or cause fire, cause serious environmental pollution.
Due to the incoalation of 1 years, contain carbon, oil, the gas material of 20-30% in coal gangue, wherein oil gas accounts for 11-15%, carbon accounts for 7-15%.The coal gangue pyrolytic gasification, (composition is the compositions such as silicon-dioxide, aluminium sesquioxide, ferric oxide, titanium dioxide, calcium oxide, magnesium oxide, potassium oxide, sodium oxide, Vanadium Pentoxide in FLAKES, manganese oxide, sulphur trioxide to obtain the solid product of oil gas product and 70-80%, the grog of sal refractory materials), economic worth is arranged, social benefit is more arranged.
The inventor to the research of physical property and the high-temperature coal pyrolytic gasification technique of coal gangue, innovates a set of brand-new coal gangue high temperature pyrolysis and gasification composite technology and device for a long time.
Summary of the invention
The utility model provides the control device of the continuous coal gangue pyrolytic gasification of thermal cycling integration unit, the various electrical equipments that use in the techniques such as UTILIZATION OF VESIDUAL HEAT IN of the hot waste gas after this device burns, burns coal gangue pyrolytic gasification, raw gas reclaiming clean, purified gas are controlled, and make the continuous coal gangue pyrolytic gasification of thermal cycling smooth.
Realize that the technical scheme that above-mentioned purpose is taked is:
The control device of the continuous coal gangue pyrolytic gasification of thermal cycling integration unit, comprise that industry control center and coal gangue damping dehydration and tail gas water washes one's hair the infeed belt conveyor, discharge transfer roller, exhaust fan, the sprinkling water pump that purify use and link; With the coal gangue pyrolytic gasification use enter stove coal gangue bucket elevator, enter stove coal gangue rotary conveyor, hinge cage sealing discharging device, chamber temperature table, rotation reversing motor, air blower, gas fan, exhaust gas fan, raw gas temperature table; Regulating wheel, gas fan group, saturated active coke bucket elevator, the unsaturated activated coke bucket elevator with the raw gas reclaiming clean, used link, and are automatically controlled their work by the industry control center.
Described industry control center also links with gas reversing system controller, and gas reversing system controller is for controlling rotation reversing motor, air blower, gas fan, exhaust gas fan.
The utility model is by the control of each equipment in the continuous coal gangue pyrolytic gasification of thermal cycling composite technology, and coal gangue pyrolytic gasification process stabilizing is controlled, and production efficiency is high.
The accompanying drawing explanation
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
Fig. 1 is industry control central electrical connection diagram of the present utility model.
Embodiment
The specific embodiment of the comprehensive utilization of coal gangue pyrolytic gasification of the present utility model is mainly introduced in detail following.
First part's coal gangue granularity is controlled
Coal gangue processing is broken into to 0～20mm granularity, in this size range, the coal gangue particle is dehydrated, fully dry, dewatering efficiency is high, but this does not form the restriction to needed coal gangue to the utility model.
Second section coal gangue damping dehydration
The hot waste gas produced after purified gas burning after the raw gas recovery of chemical products that coal gangue high temperature pyrolysis and water-gas reaction are produced purifies carries out the damping dehydration for the coal gangue pellet after fragmentation entering stokehold.
In order to keep the neat and tidy of environment, after the damping dehydration, tail gas is washed one's hair and is purified rear qualified discharge by water.Third part coal gangue high temperature pyrolysis and gasification (pyrolysis heating, water-gas are sent out and answered)
The high temperature pyrolysis heating of first segment coal gangue
Carry out regenerative heat exchange and alternate combustion by the purified gas after the raw gas reclaiming clean by producing in the coal gangue pyrolytic gasification, required thermal source is provided to the coal gangue pyrolytic gasification, need not consume the external energy, play energy-saving and cost-reducing purpose, save coal gangue pyrolytic gasification cost.
The second section water-gas reaction
Because the pyrolytic gasification temperature of coal gangue is higher, then pass into water vapor to coal gangue, the charcoal in coal gangue pyrolysis after product and superheated vapour meet and carry out water-gas reaction generation water-gas (carbon monoxide and hydrogen).
The 3rd joint raw gas take-up gear
Coal gangue produces the gas containing a lot of useful compositions in the high temperature pyrolysis and gasification process, charcoal in coal gangue pyrolysis after product and superheated vapour carry out water-gas reaction and generate water-gas (carbon monoxide and hydrogen), above general designation raw gas, need to derive in order to utilize raw gas.
The 4th joint continuous pyrolysis gasification
Comprehensively above-mentioned, these routine characteristics are that coal gangue pyrolysis, gasification (water-gas reaction), steam generation, raw gas are derived to process integration in same body of heater, make coal gangue pyrolysis, gasification (water-gas reaction), steam generation, raw gas be able to continuous realization.
The comprehensive cyclic utilization of the 4th part, pyrolysis of coal gas
Chapter 1, the reclaiming clean utilization of raw gas (change product)
First segment raw gas condensing works
Coal gangue pyrolytic gasification discharge raw gas temperature is higher, for the ease of the high temperature raw gas, before recovery of chemical products, is carried, and the high temperature raw gas is sprayed to ammoniacal liquor and carry out cooling.
The reclaiming clean of second section raw gas
Raw gas after ammoniacal liquor sprays carries out gas-liquid separation, contain multiple useful organic component in mixed solution after gas-liquid separation and refine other auxiliary product as carbolic oil, naphtalene oil, washing oil, carbolineum etc. for industry, coal gas after gas-liquid separation is after the air cooling cooling, become purified gas after the dry method reclaiming clean reclaims, purified gas can store for burning.
Chapter 2, raw gas reclaiming clean afterfire utilizes
Purified gas burning after first segment raw gas reclaiming clean
Purified gas after absorption provides thermal source for burning to the coal gangue pyrolytic gasification.
After second section utilizes the purified gas burning, waste gas is to saturated active coke regeneration heating
For form saturated active coke because of the adsorption cleaning raw gas, to be evaporated thermal regeneration be unsaturated activated coke to hot waste gas after purified gas burning.
After the 3rd joint utilizes the purified gas burning, hot waste gas is to entering the damping of stove coal gangue pellet
Hot waste gas after the purified gas burning is for carrying out the damping dehydration to the coal gangue pellet that enters stokehold.
Chapter 3, the continuous coal gangue pyrolytic gasification of thermal cycling is comprehensive
The continuous coal gangue pyrolytic gasification of first segment thermal cycling and damping and tail gas clean-up
Hot waste gas after the purified gas burning, for the coal gangue pellet that enters stokehold is carried out to the damping dehydration, carries out water again and washes one's hair purification and cooling after the hot waste gas dehydration, finally reach clean discharged at lower temperature.
The continuous coal gangue pyrolytic gasification of second section thermal cycling composite technology
Comprehensive above content draws the complete composite technology of the continuous coal gangue pyrolytic gasification of a kind of thermal cycling, includes stove coal gangue hot waste gas damping dehydration, coal gangue pyrolytic gasification, raw gas condensation, raw gas reclaiming clean, tail gas water and washes one's hair purification etc.
The control of the continuous coal gangue pyrolytic gasification of the 3rd joint thermal cycling composite technology
As shown in Figure 1: the control device of the continuous coal gangue pyrolytic gasification of thermal cycling integration unit comprises that industry control center 90 and coal gangue damping dehydration and tail gas water washes one's hair the infeed belt conveyor 17, discharge transfer roller 15, the exhaust fan 137 that purify use, sprays water pump 167 and link; With the coal gangue pyrolytic gasification use enter stove coal gangue bucket elevator 18, enter stove coal gangue rotary conveyor 95, hinge cage sealing discharging device 96, chamber temperature table 6203, rotation reversing motor 663, air blower 664, gas fan 665, exhaust gas fan 666, raw gas temperature table 812; Regulating wheel 862, gas fan group 44, saturated active coke bucket elevator 461, the unsaturated activated coke bucket elevator 462 with the raw gas reclaiming clean, used link, and are automatically controlled their work by industry control center 90.In addition; as shown in Figure 1; gas reversing system electric controller 906 links with upper industry control center 90; gas reversing system controller 906 is for controlling rotation reversing motor 663, air blower 664, gas fan 665, exhaust gas fan 666; certainly from electric control theory; in this example, rotation reversing motor 663, air blower 664, gas fan 665, exhaust gas fan 666 are controlled by also can directly at industry control center 90, so the restriction that gas reversing system controller 906 does not form this routine protection domain is set herein.
The control method of the continuous coal gangue pyrolytic gasification of thermal cycling integration unit is:
(1), industry control center 90 controls to the coal gangue pellet added in the feed bin that enters stove coal gangue hot waste gas damping dewatering unit after pulverizing by infeed belt conveyor 17, control discharge transfer roller 15 and open and close from the blanking bin that enters stove coal gangue hot waste gas damping dewatering unit and to enter stove coal gangue pellet after discharge temperature adjustment dehydration;
(2), industry control center 90 by entering stove coal gangue bucket elevator 18, enter stove coal gangue rotary conveyor 95 and control to entering the furnace charge storehouse in the coal gangue pyrolytic gasification stove and add and enter stove coal gangue pellet after the temperature adjustment dehydration, control the solid product after discharge coal gangue pyrolytic gasification from the coal gangue pyrolytic gasification stove by hinge cage sealing discharging device 96;
(3), the temperature that records according to chamber temperature table 6203, raw gas temperature table 812 of industry control center 90 carries out the air force that comprehensive assessment coal gangue pyrolytic gasification situation is controlled the rotational frequency of rotation reversing motor 663 and air blower 664, gas fan 665, exhaust gas fan 666, the coal gangue pyrolytic gasification is adjusted;
(4), booster action is played by regulating wheel 862,44 pairs of coal gangue pyrolytic gasifications of gas fan group in industry control center 90;
(5), the activated coke reprocessing cycle of raw gas reclaiming clean is controlled at industry control center 90 by saturated active coke bucket elevator 461, unsaturated activated coke bucket elevator 462;
(6) water that, tail gas are controlled by exhaust fan 137, sprinkling water pump 167 in industry control center 90 is washed one's hair degree of purification.
Above content introduction just exemplifies a tool embodiment of thermal cycling continuous coal gangue pyrolytic gasification integration unit and technique, does not form the restriction to this case thermal cycling continuous coal gangue pyrolytic gasification integration unit and technique protection domain.
Claims (2)
1. the control device of the continuous coal gangue pyrolytic gasification of thermal cycling integration unit is characterized in that: comprise that industry control center and coal gangue damping dehydration and tail gas water washes one's hair the infeed belt conveyor, discharge transfer roller, exhaust fan, the sprinkling water pump that purify use and link; With the coal gangue pyrolytic gasification use enter stove coal gangue bucket elevator, enter stove coal gangue rotary conveyor, hinge cage sealing discharging device, chamber temperature table, rotation reversing motor, air blower, gas fan, exhaust gas fan, raw gas temperature table; Regulating wheel, gas fan group, saturated active coke bucket elevator, the unsaturated activated coke bucket elevator with the raw gas reclaiming clean, used link, and are automatically controlled their work by the industry control center.
2. the control device of the continuous coal gangue pyrolytic gasification of thermal cycling as claimed in claim 1 integration unit, it is characterized in that: described industry control center also links with gas reversing system controller, and gas reversing system controller is for controlling rotation reversing motor, air blower, gas fan, exhaust gas fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320196091.1U CN203382726U (en) | 2013-04-10 | 2013-04-10 | Control device of thermal circulation continuous coal gangue pyrolysis and gasification comprehensive device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320196091.1U CN203382726U (en) | 2013-04-10 | 2013-04-10 | Control device of thermal circulation continuous coal gangue pyrolysis and gasification comprehensive device |
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| CN203382726U true CN203382726U (en) | 2014-01-08 |
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| CN201320196091.1U Expired - Fee Related CN203382726U (en) | 2013-04-10 | 2013-04-10 | Control device of thermal circulation continuous coal gangue pyrolysis and gasification comprehensive device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103215077A (en) * | 2013-04-10 | 2013-07-24 | 山西鑫立能源科技有限公司 | Control device of thermal cycle continuous coal gangue pyrolysis gasification comprehensive device |
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2013
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103215077A (en) * | 2013-04-10 | 2013-07-24 | 山西鑫立能源科技有限公司 | Control device of thermal cycle continuous coal gangue pyrolysis gasification comprehensive device |
| CN103215077B (en) * | 2013-04-10 | 2015-07-01 | 山西鑫立能源科技有限公司 | Control device of thermal cycle continuous coal gangue pyrolysis gasification comprehensive device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140108 Termination date: 20150410 |
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| EXPY | Termination of patent right or utility model |