CN103409166A - Continuous external heated water gas gasification furnace - Google Patents

Continuous external heated water gas gasification furnace Download PDF

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Publication number
CN103409166A
CN103409166A CN2013103460182A CN201310346018A CN103409166A CN 103409166 A CN103409166 A CN 103409166A CN 2013103460182 A CN2013103460182 A CN 2013103460182A CN 201310346018 A CN201310346018 A CN 201310346018A CN 103409166 A CN103409166 A CN 103409166A
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gas
combustion
chamber
water
air
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CN103409166B (en
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王新民
王福生
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Shanxi Xinli Energy Technology Co Ltd
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Shanxi Xinli Energy Technology Co Ltd
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Abstract

The invention relates to coal gasification technology, in particular to a continuous external heated water gas gasification furnace for preparing water gas by utilizing smokeless coal, and provides a continuous external heated water gas gasification furnace, which integrates preheating and gasification of smokeless coal and temperature reduction of the product produced during gasification of the smokeless coal into a whole process, and is large in water gas production, high in water gas production efficiency, and low in energy consumption. The adopted technical scheme is that a preheating bin is arranged at the top of a furnace body; one end of a vapor inlet through pipe is communicated with a hot gas heated vapor generation device; the hot gas heated vapor generation device is communicated with a water gas discharging device; the water gas discharging device is communicated with one end of a high temperature hot gas inlet passage of the preheating bin; a charging material distribution passage is arranged at the top of the furnace body; the upper end of the charging material distribution passage is connected with a feeding valve at the bottom of the preheating bin, and the lower end of the charging material distribution passage is communicated with the top of a gasification chamber of a gasification device; a spiral closed discharging device is arranged at the bottom of a material cooling chamber; a product stock bin is arranged at the bottom of the furnace body; the upper part of the product stock bin is connected with the spiral closed discharging device; the furnace has the advantages of large water gas production and low energy consumption.

Description

Continuous external heating type water-gas vapourizing furnace
Technical field
The present invention relates to the technology of gas maked coal, particularly utilize the continuous external heating type water-gas vapourizing furnace of smokeless char water-gas processed.
Background technology
Water-gas is a kind of low-heat value gas that water vapour obtains by the hard coal with scorching hot or coke effect, and main component is hydrogen and carbon monoxide, and following water-gas reaction mainly occurs for carbon and steam:
C+H2O===(high temperature) CO+H2
Above reaction is thermo-negative reaction, therefore must be to heat supply in vapourizing furnace.Usually, first send air to enter stove, burn part of fuel, heat is stored in fuel bed and regenerator, then steam is passed into to scorching hot fuel bed and react.Due to endothermic heat of reaction, when fuel bed and regenerator temperature drop to certain temperature, send again air to enter stove and heat up, so circulation.
Industrial at present, resting period formula fixed bed production technology is generally adopted in the production of water-gas.Furnace construction adopts UGI(with U.S.'s associating gas, to improve the pattern of company's (United Gas Improvement Compan name) vapourizing furnace, and its advantage is that equipment is simple, easy handling; Shortcoming is: because of the atmospheric operation production intensity low, during the synthetic gas of need of production high pressure, energy consumption is high, production efficiency is low, the about 1000m3/h of water-gas generating capacity of every square metre of burner hearth area, to coal, require stricter, usually must adopt hard coal or the coke that the certain particle size requirement is arranged, process pipe more complicated while adopting periodical operation.For the UGI vapourizing furnace, country has prohibited new upper fixed intermittent layer gasification technique (UGI), in National Development and Reform Committee's on July 7th, 2006 " notice that National Development and Reform Commission develops in a healthy way about strengthening Coal Chemical Engineering Project implementation management promotion industry " (send out and change No. 1350, industry), this is had to clear and definite requirement, in the long term, due to the raw material restricted gender of UGI gasification itself, backward in technique and environmental issue, be badly in need of being substituted by advanced Coal Gasification Technology.
The inventor is for a long time to the research of the technical matters of water-gas gasification, innovates a set of brand new technical, the hard coal that the present invention also is applicable to certainly or coke production water-gas technology of utilizing the smokeless char after low-rank coal (brown coal) pyrolysis to produce water-gas.
Summary of the invention
The present invention overcomes the deficiency that prior art exists, technical problem to be solved has been to provide and a kind of product cooling after smokeless char preheating, gasification, smokeless char gasification has been gathered together, water-gas output is large, and gas making efficiency is high, the continuous external heating type water-gas vapourizing furnace that energy consumption is low.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: continuous external heating type water-gas vapourizing furnace comprises body of heater, pre-heating cabin, enters stove cloth passage, external-heat water-gas gasification installation, helix closed removal device, product feed bin; Described pre-heating cabin is arranged on the body of heater top, comprises housing, hot gas interchanger, blanking bin, charging valve; In housing, be formed for the feed bin of smokeless char preheating, feed bin relative closure top only is provided with opening for feed, blanking bin is arranged on housing bottom and communicates with feed bin, blanking bin is for temporarily depositing the smokeless char after preheating, the blanking bin bottom connects has the airtight charging valve that closes function, and described hot gas interchanger comprises that high temperature hot gas admission passage, high temperature hot gas enter chamber, radiating pipe, radiating pipe serial connection passage, cryogenic gas discharge chamber;
High temperature hot gas admission passage one end communicates with the high temperature hot gas chamber of entering, the high temperature hot gas chamber of entering is arranged on a sidewall of housing, the cryogenic gas discharge chamber is arranged on high temperature hot gas and enters on the relative sidewall in chamber, and the cryogenic gas discharge chamber is provided with the cryogenic gas exhaust channel, several radiating pipe serial connection passages are the parallel feed bin inside that is transverse in housing in twos, being connected on high temperature hot gas enters between chamber and cryogenic gas discharge chamber, one end of upper radiating pipe serial connection passage communicates with the high temperature hot gas chamber of entering and the other end sealing, one end sealing of next radiating pipe serial connection passage and the other end communicates with the cryogenic gas discharge chamber, the rest may be inferred, several radiating pipes are spaced on radiating pipe serial connection passage, radiating pipe is " U " type, one terminates on parallel upper radiating pipe serial connection passage, the other end is connected on parallel next radiating pipe serial connection passage, parallel in twos radiating pipe serial connection passage is connected mutually, be about to high temperature hot gas and enter chamber and the connection of cryogenic gas discharge chamber,
Described external-heat water-gas gasification installation comprises that gasification installation, material cooling chamber, steam enter siphunculus, hot gas heating-type vapor generating unit, water-gas take-up gear, described gasification installation is arranged on the body of heater middle part, comprises vaporizer, outer combustion gas heating unit, interior gas-operated thermal bath facility, gas reversing system, center support bow; Vaporizer is the annulus that the interior ringwall made by fire-resistant thermally conductive material and outer ring wall form, the vaporizer top with enter stove cloth passage and communicate, be centered around vaporizer outer ring wall ring and be outer combustion gas heating unit outward, in vaporizer, be interior gas-operated thermal bath facility in the ringwall ring, wherein outer combustion gas heating unit consists of the first combustion heater, second combustion heater of at least one group of identical association of structure, and interior gas-operated thermal bath facility consists of at least one group of identical the 3rd combustion heater, the 4th combustion heater mutually;
Described the first combustion heater comprises that the first combustion chamber, the first coal gas enter arm and the first regenerative heat exchanger, the first coal gas enters arm and passes the body of heater exterior wall and lead in the first combustion chamber, the gas-fired quirk that the vaporizer outer ring wall that the first combustion chamber is the body of heater exterior wall that is built into by refractory materials, fire-resistant thermally conductive material is built into and outer quirk partition wall surround a relative closure, the first regenerative heat exchanger comprises that the first accumulation of heat chamber, the first heat storage, the first air enter arm and the first combustion exhaust exhaust outlet; The first accumulation of heat chamber is arranged in the body of heater exterior wall, and the first heat storage arranges in the first accumulation of heat chamber, and the first accumulation of heat chamber one end leads to the first bottom, combustion chamber, and the other end is connected to respectively the first air and enters arm and the first combustion exhaust exhaust outlet;
Described the second combustion heater structure is identical with the first combustion heater, also mainly comprise the second combustion chamber, the second coal gas enters arm and the second regenerative heat exchanger, the body of heater exterior wall that the second combustion chamber is built into by refractory materials, the vaporizer outer ring wall that fire-resistant thermally conductive material is built into and outer quirk partition wall surround the gas-fired quirk of a relative closure, the second coal gas enters arm and passes the body of heater exterior wall and lead in the second combustion chamber, the second regenerative heat exchanger comprises the second accumulation of heat chamber, the second heat storage, the second air enters arm and the second combustion exhaust exhaust outlet, the second accumulation of heat chamber is arranged in the body of heater exterior wall, the second heat storage arranges in the second accumulation of heat chamber, the second accumulation of heat chamber one end leads to the second bottom, combustion chamber, the other end is connected to respectively the second air and enters arm and the second combustion exhaust exhaust outlet, between the second combustion chamber of the first combustion chamber and next-door neighbour, the top of outer quirk partition wall is provided with the combustion chamber through hole, and the combustion chamber through hole is connected the second combustion chamber of the first combustion chamber and next-door neighbour to form and closed one group of connection, the identical association of at least one group of structure of interior gas-operated thermal bath facility comes associated the 3rd combustion heater, the 4th combustion heater, and it forms structure and combustion principle and associated the first burning heater, the second burning heater is identical,
The 3rd combustion heater also comprises the 3rd combustion chamber, the 3rd coal gas enters arm, the 3rd accumulation of heat chamber, the 3rd heat storage, the 3rd air enters arm and the 3rd combustion exhaust exhaust outlet, described the 3rd combustion chamber is the gas-fired quirk of a relative closure surrounding of the indoor ringwall of reduction that is built into by fire-resistant thermally conductive material and internal-quirk partition wall, the 3rd coal gas enters arm and passes and upwards lead to the 3rd combustion chamber below the bar bow of center support bow, the 3rd accumulation of heat chamber is arranged on the body of heater of bar bow below, the 3rd heat storage is placed in the 3rd accumulation of heat chamber, the 3rd accumulation of heat chamber one end passes to extend upward and leads to the 3rd bottom, combustion chamber by extending passage below the bar bow of center support bow, the 3rd accumulation of heat chamber the other end is connected to respectively the 3rd air and enters arm and the 3rd combustion exhaust exhaust outlet, the 4th combustion heater structure is complete identical with the 3rd combustion heater, also comprise the 4th combustion chamber, the 4th coal gas enters arm, the 4th accumulation of heat chamber, the 4th heat storage, the 4th air enters arm and the 4th combustion exhaust exhaust outlet, wherein the 4th combustion chamber and the 3rd combustion chamber by chamber passage connect form one group associated,
Described gas reversing system comprises dish, lower wall, the rotation reversing motor, air blower, gas fan, exhaust gas fan, lower wall is connected to respectively an air supervisor and the first air is in charge of, the second air is in charge of, a coal gas is responsible for and the first gas manifold, the second gas manifold, combustion exhaust supervisor and the second combustion exhaust are in charge of, the first combustion exhaust is in charge of, wherein, the second combustion exhaust is in charge of with the first combustion exhaust and is in charge of with the first air and is in charge of and with the second air, is in charge of and the setting of the first gas manifold and the second gas manifold is just exchanged, upper dish is fitted in the lower wall top, upper dish correspondence respectively is provided with the air pipe connecting, the coal gas pipe connecting, the combustion exhaust pipe connecting, thereby the rotation reversing motor drives upper dish reciprocating rotation on lower wall and realizes that the air supervisor constantly is in charge of with the second air and is in charge of and connects and cut off conversion with the first air, the coal gas supervisor constantly connects and cuts off conversion with the first gas manifold and the second gas manifold, combustion exhaust supervisor constantly be in charge of with the first combustion exhaust and be in charge of and connect and cut off conversion with the second combustion exhaust, described the first air is in charge of with the first air and is entered arm, the 3rd air enters arm and couples together, described the first gas manifold and the first coal gas enter arm, the 3rd coal gas enters arm and couples together, described the first combustion exhaust is in charge of and the first combustion exhaust exhaust outlet, the 3rd combustion exhaust exhaust outlet couples together, in like manner, described the second air is in charge of with the second air and is entered arm, the 4th air enters arm and couples together, described the second gas manifold and the second coal gas enter arm, the 4th coal gas enters arm and couples together, described the second burning gas is in charge of and the second combustion exhaust exhaust outlet, the 4th combustion exhaust exhaust outlet couples together, material cooling chamber is arranged on lower portion of furnace body and is positioned at center support bow below, and the top of material cooling chamber communicates with the vaporizer bottom, steam enters the top of siphunculus one end material cooling chamber, steam enters siphunculus, and Open Side Down towards material cooling chamber, steam enters the siphunculus the other end and stretches out that body of heater is outer to communicate with hot gas heating-type vapor generating unit, and hot gas heating-type vapor generating unit is connected with the water-gas take-up gear, described water-gas take-up gear communicates with the other end of the high temperature hot gas admission passage of pre-heating cabin, describedly enter stove cloth channel setting method body of heater top, entering stove cloth passage upper end is connected with the charging valve of pre-heating cabin bottom, entering stove cloth passage lower end communicates with the vaporizer top of gasification installation, helix closed removal device is arranged on the material cooling chamber bottom of external-heat water-gas gasification installation, the product feed bin is placed in bottom of furnace body, on the product feed bin, connects helix closed removal device.
Described hot gas heating-type vapor generating unit comprises container or the water tank of hot gas interchanger, dress water, container or the water tank of dress water form sweating room, the hot gas interchanger is placed in container or the water tank of dress water, the gas passage of hot gas interchanger is connected with the water-gas take-up gear, and sweating room enters siphunculus with water vapor importing steam and is connected.
Described water-gas take-up gear, comprise water-gas concentration chamber, outer derivation passage, derive main channel, water-gas bustle pipe; It is integrally formed that the water-gas concentration chamber is arranged on top and the vaporizer of vaporizer, in the exterior wall of outer derivation channel setting body of heater, lower outside derivation feeder connection, upper outside derivation feeder connection pass the outer ring wall middle part and lead to vaporizer, outer derivation channel outlet is passed the water-gas concentration chamber that outer ring wall leads to the vaporizer top, and the derivation main channel communicates with the water-gas concentration chamber to extend up to arrange outside body of heater again and communicates with top water coal gas bustle pipe.
Described hot gas heating-type vapor generating unit comprises container or the water tank of hot gas interchanger, dress water, container or the water tank of dress water form sweating room, the hot gas interchanger is placed in container or the water tank of dress water, the gas passage of hot gas interchanger is connected with the water-gas bustle pipe, and sweating room enters siphunculus with water vapor importing steam and is connected; The other end of the high temperature hot gas admission passage of described pre-heating cabin communicates with the water-gas bustle pipe.
Described gas reversing system also comprises two groups of bustle pipes of the periphery that is arranged on body of heater, comprises the first air bustle pipe, the first coal gas bustle pipe, the first combustion exhaust bustle pipe; The second air bustle pipe, the second coal gas bustle pipe, the second combustion exhaust bustle pipe, described the first air bustle pipe the first air is in charge of with the first air enter arm, the 3rd air enters arm and couples together; Described the first coal gas bustle pipe by the first gas manifold and the first coal gas enter arm, the 3rd coal gas enters arm and couples together; Described the first combustion exhaust bustle pipe is that the first combustion exhaust is in charge of with the first combustion exhaust exhaust outlet, the 3rd combustion exhaust exhaust outlet and is coupled together; In like manner, described the second air bustle pipe the second air is in charge of with the second air enter arm, the 4th air enters arm and couples together; Described the second coal gas bustle pipe by the second gas manifold and the second coal gas enter arm, the 4th coal gas enters arm and couples together; Described the second combustion exhaust bustle pipe is in charge of the second burning gas with the second combustion exhaust exhaust outlet, the second combustion exhaust exhaust outlet and is coupled together.
Described the first air enters between arm and the first accumulation of heat chamber and is provided with the first one-way air valve, and the first one-way air valve allows air to enter pipe and inflow the first combustion chamber, the first accumulation of heat chamber from the first air; Between described the first combustion exhaust exhaust outlet and the first accumulation of heat chamber, be provided with the first unidirectional waste gas valve, the first unidirectional waste gas valve allows the gas-fired waste gas first accumulation of heat chamber of flowing through from the first combustion chamber, finally from the first combustion exhaust exhaust outlet, discharges; Described the second air enters between arm and the second accumulation of heat chamber and is provided with the second one-way air valve, and the second one-way air valve allows air to enter with the second accumulation of heat chamber and flow into the second combustion chamber from the second air; Between the second combustion exhaust exhaust outlet and the second accumulation of heat chamber, be provided with the second unidirectional waste gas valve, the second unidirectional waste gas valve allows the gas-fired waste gas second accumulation of heat chamber of flowing through from the second combustion chamber, finally from the second combustion exhaust exhaust outlet, discharges.
Described outer combustion gas heating unit mainly is divided into upper, middle and lower segment formula heating, and every section identical and associated the first combustion heater, the second combustion heater form by least one group of structure.
Described interior gas-operated thermal bath facility mainly is divided into upper and lower two-section type heating, and every section consists of at least one group of structure identical the 3rd combustion heater, the 4th combustion heater mutually.
Described radiating pipe also adopts metallic substance to make.
Described radiating pipe is inverse u shape, and the inverse u shape top is wedge.
The present invention swashs and obtains water-gas mutually by the smokeless char after water vapor and scorching hot low-rank coal (brown coal) pyrolysis, and water-gas output is large, and hydrogen content is high, carbon monoxide and hydrogen reasonable ratio, and other component content is low, is desirable synthetic gas product; The present invention utilizes the waste heat of high-temperature water gas to come heating water to become water vapor, realization is produced required water vapor to water-gas and is supplemented, utilize simultaneously the waste heat of high-temperature water gas to entering the smokeless char preheating of stove, make the water-gas gasification be carried out continuously, be different from existing gap method, production efficiency greatly improves.
The accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Fig. 1 is continuous external heating type water-gas vapourizing furnace schematic diagram of the present invention;
Fig. 2 is gas reverser schematic diagram of the present invention;
Fig. 3 coils schematic diagram on gas reverser of the present invention;
Fig. 4 is gas reverser lower wall schematic diagram of the present invention;
Fig. 5 is A-B place cross-sectional schematic in Fig. 3;
Fig. 6 is gas reverser of the present invention and combustion heater pipe network connection diagram;
Fig. 7 is continuous external heating type water-gas vapourizing furnace schematic cross-section one of the present invention, is also t-t place schematic cross-section in Fig. 1;
Fig. 8 is continuous external heating type water-gas vapourizing furnace schematic cross-section two of the present invention, is also u-u place schematic cross-section in Fig. 1;
Fig. 9 is continuous external heating type water-gas vapourizing furnace schematic cross-section three of the present invention, is also v-v place schematic cross-section in Fig. 1;
Figure 10 is continuous external heating type water-gas vapourizing furnace schematic cross-section four of the present invention, is also x-x place schematic cross-section in Fig. 1;
Figure 11 is continuous external heating type water-gas vapourizing furnace schematic cross-section five of the present invention, is also y-y place schematic cross-section in Fig. 1;
Figure 12 is continuous external heating type water-gas vapourizing furnace schematic cross-section six of the present invention, is also z-z place schematic cross-section in Fig. 1;
Figure 13 is industry control central electrical connection diagram of the present invention;
Figure 14 is that continuous external heating type water-gas gasification integration unit of the present invention forms schematic diagram;
Figure 15 is continuous external heating type water-gas vapourizing furnace schematic cross-section seven of the present invention, is also w-w place schematic cross-section in Fig. 1;
Figure 16 is the cross-sectional schematic of feeding chamber of the present invention, is also a-a place schematic cross-section in Figure 17;
Figure 17 is feeding chamber cross sectional representation of the present invention, is also b-b place schematic cross-section in Figure 19;
Figure 18 is the water gas pipe line schematic diagram of feeding chamber of the present invention, is also c-c place schematic cross-section in Figure 19;
Figure 19 is feeding chamber schematic diagram of the present invention;
Figure 20 is that the atomized spray that tail gas water of the present invention is washed one's hair cleaner is arranged schematic diagram in the form of a ring in purifying cylindrical shell, is also d-d place schematic cross-section in Figure 14.
Embodiment
The specific embodiment of continuous external heating type water-gas gasification composite technology of the present invention is mainly introduced in detail following.
First part's low-rank coal granularity is controlled
Low-rank coal (brown coal) pyrolysis process is obtained to smokeless, anhydrous, the low ash of 10 ~ 50mm granularity, highly active smokeless char as the water-gas gasified raw material, smokeless char raw material water-gas reaction is more abundant in this size range, but this does not form the restriction to needed low-rank coal (brown coal) to the present invention, the present invention is equally applicable to hard coal or coke are carried out to water-gas reaction.
The preheating of second section smokeless char
As Figure 19, shown in Figure 16: pre-heating cabin 1 comprises housing 11, hot gas interchanger 13, blanking bin 14; In housing 11, be formed for the feed bin 111 of smokeless char preheating, feed bin 111 relative closure tops only are provided with opening for feed 112, at opening for feed 112 places, be provided with sealing infeed belt conveyor 17(and refer to transfer roller belt covered with its circumferential closed barrel-shaped casing of a both ends open, prevent that smokeless char is scattered, keep the Working environment neat and tidy), blanking bin 14 is arranged on housing 11 bottoms and communicates with feed bin 111, blanking bin 14 is for temporarily depositing the smokeless char after preheating, and blanking bin 14 bottoms connect has the airtight charging valve 15 that closes function.
As Figure 14, Figure 16, Figure 17, shown in Figure 19, hot gas interchanger 13 comprises that high temperature hot gas admission passage 131, high temperature hot gas enter chamber 132, radiating pipe 133, radiating pipe serial connection passage 134, cryogenic gas discharge chamber 136; High temperature hot gas admission passage 131 1 ends are connected with water-gas bustle pipe 85, high temperature hot gas admission passage 131 the other ends enter chamber 132 with high temperature hot gas and communicate, high temperature hot gas enters on the sidewall that chamber 132 is arranged on housing 11, cryogenic gas discharge chamber 136 is arranged on high temperature hot gas and enters on the relative sidewall in chamber 132, and cryogenic gas discharge chamber 136 is provided with cryogenic gas exhaust channel 138; Several radiating pipe serial connection passages 134 are parallel feed bin 111 inside that are transverse in housing 11 in twos, being connected on high temperature hot gas enters between chamber 132 and cryogenic gas discharge chamber 136, one end 1341 of upper radiating pipe serial connection passage 134 and high temperature hot gas enter that chamber 132 communicates and the other end 1342 seals, one end 1341 sealings of next radiating pipe serial connection passage 134 and the other end 1342 communicates with cryogenic gas discharge chamber 136, the rest may be inferred.
As Figure 19, Figure 16, shown in Figure 17, several radiating pipes 133 also adopt metallic substance to make, several radiating pipes 133 are spaced on radiating pipe serial connection passage 134, radiating pipe 133 is " U " type, one terminates on parallel upper radiating pipe serial connection passage 134, the other end is connected on parallel next radiating pipe serial connection passage 134, parallel in twos radiating pipe serial connection passage 134 is connected mutually, be about to high temperature hot gas and enter chamber 132 and 136 connections of cryogenic gas discharge chamber, this example arranges many radiating pipes 133 and radiating pipe serial connection passage 134, with the contact area of increase with smokeless char, raising is to the pre-thermo-efficiency of smokeless char.
As Figure 19, shown in Figure 16, radiating pipe 133 is the inverted U interval and is connected on radiating pipe serial connection passage 134, radiating pipe serial connection passage 134 is two rows and arranges, certainly can suitably increase or reduce the quantity of radiating pipe 133 on radiating pipe serial connection passage 134 and the quantity of radiating pipe serial connection passage 134 itself, this as required the smokeless char of preheating the situation such as amount, humidity and temperature and determine.
As Figure 19, shown in Figure 16, the top that radiating pipe 133 is inverted U is wedge 1331, and this is conducive to being scattered of smokeless char.
As Figure 13, shown in Figure 14, by bucket elevator 18, be placed in an end of rotary conveyor 17, the other end of rotary conveyor 17 is placed in opening for feed 112 places, bucket elevator 18, infeed belt conveyor 17, charging valve 15 link with industry control center 90, are automatically controlled by the work of bucket elevator 18, infeed belt conveyor 17, charging valve 15 by industry control center 90.
This routine smokeless char pre-heating mean is:
(1), as Figure 14, shown in Figure 19, by bucket elevator 18 by low-rank coal (brown coal) pyrolysis process obtain smokeless, anhydrous, low ash, highly active smokeless char is delivered to sealing infeed belt conveyor 17, sealing infeed belt conveyor 17 by smokeless char from the coal inlet 112 of feed bin 111, being sent in the feed bin 111 of housing 11;
(2), the hot the high-temperature water gas simultaneously mutually radical row water-gas reaction of the smokeless carbon of high temperature and steam produced passes into high temperature hot gas from high temperature hot gas admission passage 131 and enters chamber 132, by radiating pipe, being connected in series passage 134 again flows in radiating pipe 133, by another the adjacent radiating pipe serial connection passage 134 be connected with radiating pipe 133, flow in cryogenic gas discharge chamber 136 again, last cryogenic gas exhaust channel 138 is discharged
(3), the lower coal bunker 14 that finally falls into housing 11 bottoms of the smokeless carbon after preheating is temporarily deposited, by charging valve 15 start or stop, the water-gas reaction operation will be delivered to down with closing, from and by sealing infeed belt conveyor 17, constantly to the feed bin 111 of housing 11, supplement new smokeless char pellet, realize the continuously dehydrating drying to smokeless char.
This example is carried out preheating by high-temperature water gas to the smokeless carbon in feed bin 111, has both utilized the heat energy of high-temperature water gas, simultaneously the high-temperature water gas outflow temperature is minimized again, does not need to consume the extra energy, saves production cost, recycling economy.
In order to keep the neat and tidy of environment, the tail gas after burning is washed one's hair cleaner 16 purifying and cooling by tail gas water and is processed rear qualified discharge.
As Figure 14, shown in Figure 20, tail gas water is washed one's hair cleaner 16 and is comprised that purification cylindrical shell 161, atomized spray 162, stainless steel filter wire stratum reticulare 163, tank 165, water reservoir 166, sprinkling water pump 167, tail gas pod 164, tail gas enter pipe 169; Purify cylindrical shell 161 tops exhaust port 168 is set, atomized spray 162, stainless steel filtration silk screen 163, tail gas pod 164, tank 165 all arrange and purify in cylindrical shell 161; Water reservoir 166, sprinkling water pump 167 all arrange and purify outside cylindrical shell 161; Tank 165 arranges the bottom that purifies cylindrical shell 161, tank 165 bottoms are provided with spoil disposal pipeline 1650, tail gas pod 164 is arranged on the top of tank 165, tail gas pod 164 connects tail gas and enters pipe 169, tail gas enters pipe 169 1 ends and is arranged on the top of tank 165, and tail gas enters pipe 169 the other ends and passes and purify cylindrical shell 161 and communicate with the external world; Above tail gas pod 164, be provided with stainless steel filter wire stratum reticulare 163, above stainless steel filter wire stratum reticulare 163, atomized spray 162 is set, atomized spray 162 is connected on water inlet pipe 1601, water inlet pipe 1601 stretches out to purify outside cylindrical shell 161 to be connected with water inlet bustle pipe 1602, water inlet bustle pipe 1602 is for purifying around the home cylindrical shell 161 peripheries in the form of a ring, water inlet bustle pipe 1602 is responsible for 160 by water inlet and is joined with sprinkling water pump 167, spray water pump 167 and be connected to water absorption tube 1603, water absorption tube 1603 stretches in water reservoir 166; Water reservoir 166 also communicates with tank 165 by passing purification cylindrical shell 161 communicating pipe 1604.
As shown in figure 14, at purification cylindrical shell 161 walls near above stainless steel filter wire stratum reticulare 163, offer access opening 1611, the one, facilitate the workman to enter and purify the interior atomized spray 162 to damaging of cylindrical shell 161, stainless steel filter wire stratum reticulare 163 keeps in repair, the 2nd, can be regularly by the artificial plaster of alluvial on stainless steel filter wire stratum reticulare 163 of removing, purification cylindrical shell 161 walls above tank 165 offer water-in 1612, by in 1612 pairs of tanks 165 of water-in, injecting clean water, assurance is changed the sewage of dust suction in tank 165, at purification cylindrical shell 161 walls near tank 165 edges, offer into water overflow port 1613, the unnecessary water of tank 165 can be discharged from here, avoid the water in tank 165 to flood too much the opening of tail gas pod 164, causing tail gas to enter is obstructed.
As Figure 20, shown in Figure 14, for to filtering better dust in tail gas, a plurality of atomized spray 162 161 are arranged in the form of a ring in purifying cylindrical shell, by many water inlet pipes 1601, stretch out to purify outside cylindrical shell 161 and connect with water inlet bustle pipe 1602, in addition can also be in purifying cylindrical shell 161 spaced many group atomized spray 162 from bottom to top, stainless steel filter wire stratum reticulare 163, and from bottom to top, the order number of stainless steel filter wire stratum reticulare 163 increases gradually, this tail gas water is washed one's hair cleaner 16 and is provided with the atomized spray 162 of 3 groups, stainless steel filter wire stratum reticulare 163, this not only can obtain cleaner tail gas, and can also lower the temperature to hot tail gas.
As shown in figure 13, spray water pump 167 and link with industry control center 90, by the work of industry control center 90 automatic spraying water pumps 167.
The Principle Method that this routine tail gas water is washed one's hair purification is:
(1), the tail gas after the burning enters pipe 169 by tail gas and enters the tail gas pod 164 purified in cylindrical shell 161, blow to the water surface in the tank 165 of below, the dust that in tail gas, particle is larger, through the absorption of flow surface, sinks to 165 ends of tank and discharges by spoil disposal pipeline 1650 in the water of immersion tank;
(2), the tail gas after flow surface absorption upwards filters through stainless steel filter wire stratum reticulare 163, elimination tail gas major part dust;
(3), through stainless steel filter wire stratum reticulare 163, filter after tail gas enter again the water smoke layer that atomized spray 162 water sprays form, in tail gas, clean by purifying exhaust port 168 qualified discharges at cylindrical shell 161 tops through the water smoke layer.
For allow the discharge tail gas in dustiness be reduced to minimum, on it, (3) further supplementing is: after through stainless steel filter wire stratum reticulare 163, filtering, tail gas enters the water smoke layer of atomized spray 162 formation again, in tail gas, upwards entering the stainless steel filter wire stratum reticulare 163 that the order number is larger after the water smoke layer cleans filters again again, the water smoke layer again formed through the larger stainless steel filter wire stratum reticulare 163 top atomized spray 162 of this order number cleans, finally by purifying exhaust port 168 qualified discharges at cylindrical shell 161 tops.
Third part smokeless char high-temperature gasification and water-gas gasification are sent out should
The heating of first segment smokeless char high-temperature gasification
As shown in Figure 1, gasification installation 6 is arranged on body of heater 91 middle parts, mainly comprises vaporizer 61, outer combustion gas heating unit 64, interior gas-operated thermal bath facility 67, gas reversing system 66, center support bow 65, as Fig. 1, Fig. 7, Fig. 8, shown in Figure 9: vaporizer 61 is by ringwall 612 in fire-resistant thermally conductive material, outer ring wall 611 forms an annulus, vaporizer 61 tops with enter stove cloth passage 921 and communicate, being centered around vaporizer outer ring wall 611 rings outer is outer combustion gas heating unit 64, in vaporizer, be interior gas-operated thermal bath facility 67 in ringwall 612 rings, wherein outer combustion gas heating unit 64 is mainly first combustion heater 62 of some groups of (9 groups of this examples) identical associations of structure, the second combustion heater 60 forms, as Fig. 1, Fig. 8, it is shown in Figure 9: because smokeless char need to reach certain temperature and could gasify, vaporizer 61 is divided into the epimere preheating from top to bottom, and heating is continued in stage casing, and hypomere is mainly the gasification reaction three phases, so vaporizer 61 highly needs design higher, corresponding outer combustion gas heating unit 64 also mainly is divided into, in, lower Three-section type heating, every section first combustion heater 62 by 9 groups of identical associations of structure, the second combustion heater 60 forms, and interior gas-operated thermal bath facility 67 mainly is divided into, lower two-section type heating, every section by 6 groups of identical the 3rd combustion heaters 68 mutually of structure, the 4th combustion heater 69 forms.
As Fig. 1, Fig. 9, show, described the first combustion heater 62 comprises that mainly the first combustion chamber 621, the first coal gas enter arm 622 and the first regenerative heat exchanger 624, the first coal gas and enters arm 622 and pass body of heater 91 exterior walls and lead in the first combustion chamber 621.
As Fig. 1, shown in Figure 9, body of heater 91 exterior walls that the first combustion chamber 621 is built into by refractory materials and fire-resistant thermally conductive material are built into the gas-fired quirk that vaporizer outer ring wall 611 and outer quirk partition wall 625 surround a relative closure.
As Fig. 1, shown in Figure 9, the first regenerative heat exchanger 624 comprises that the first accumulation of heat chamber 626, the first heat storage 623, the first air enter arm 627 and the first combustion exhaust exhaust outlet 628; The first accumulation of heat chamber 626 is arranged in body of heater 91 exterior walls, the first heat storage 623 arranges in the first accumulation of heat chamber 626, the first accumulation of heat chamber 626 1 ends lead to 621 bottoms, the first combustion chamber, and the other end is connected to respectively the first air and enters arm 627 and the first combustion exhaust exhaust outlet 628.
As shown in Figure 9, at the first air, enter between arm 627 and the first accumulation of heat chamber 626 and be provided with the first one-way air valve 629, the first one-way air valves 629 and allow air to enter pipe the 627 and first accumulation of heat chamber 626 from the first air to flow into the first combustion chambers 621; Between the first combustion exhaust exhaust outlet 628 and the first accumulation of heat chamber 626, be provided with the first unidirectional waste gas valve 620, the first unidirectional waste gas valve 620 allows the gas-fired waste gas first accumulation of heat chamber 626 of flowing through from the first combustion chamber 621, finally from the first combustion exhaust exhaust outlet 628, discharge (certainly, adopt gas reversing system 66 as described below, when air supervisor the 667 and first air, be in charge of 6671 and connect, air supervisor the 667 and second air is in charge of 6673 and is in cut-out; Meanwhile, combustion exhaust supervisor 669 is in charge of 6691 with the first combustion exhaust and also cuts off mutually, and corresponding combustion exhaust supervisor the 669 and second combustion exhaust is in charge of 6693 and is in and is connected, can play the effect of replacement the first one-way air valve 629 and the first unidirectional waste gas valve 620).
In like manner, as shown in Figure 9: identical the second combustion heater 60 of structure comprises that mainly the second combustion chamber 601, the second coal gas enter arm 602 and the second regenerative heat exchanger 604.
As shown in Figure 9: body of heater 91 exterior walls that the second combustion chamber 601 is built into by refractory materials and fire-resistant thermally conductive material are built into the gas-fired quirk that vaporizer outer ring wall 611 and outer quirk partition wall 625 surround a relative closure.
As Fig. 1, shown in Figure 9: the second coal gas enters arm 602 and passes body of heater 91 exterior walls and lead in the second combustion chamber 601.
As shown in Figure 9: the second regenerative heat exchanger 604 comprises the second accumulation of heat chamber 606, the second heat storage 603, the second air enters arm 607 and the second combustion exhaust exhaust outlet 608, the second accumulation of heat chamber 606 is arranged in body of heater 91 exterior walls, the second heat storage 603 arranges in the second accumulation of heat chamber 606, the second accumulation of heat chamber 606 1 ends lead to 601 bottoms, the second combustion chamber, the other end is connected to respectively the second air and enters arm 607 and the second combustion exhaust exhaust outlet 608, at the second air, enter between arm 607 and the second accumulation of heat chamber 606 and be provided with the second one-way air valve 609, the second one-way air valve 609 allows air to enter pipe the 607 and second accumulation of heat chamber 606 from the second air and flows into the second combustion chamber 601, between the second combustion exhaust exhaust outlet 608 and the second accumulation of heat chamber 606, be provided with the second unidirectional waste gas valve 600, the second unidirectional waste gas valve 600 allows the gas-fired waste gas second accumulation of heat chamber 606 of flowing through from the second combustion chamber 601, finally from the second combustion exhaust exhaust outlet 608, discharge (certainly, adopt gas reversing system 66 as described below, when air supervisor the 667 and first air, being in charge of 6671 cuts off, air supervisor the 667 and second air is in charge of 6673 and is in connection, meanwhile, combustion exhaust supervisor the 669 and first combustion exhaust is in charge of 6691 and also is connected, and corresponding combustion exhaust supervisor 669 is in charge of 6693 also cut-outs mutually with the second combustion exhaust, can play the effect that replaces the second one-way air valve 609 and the second unidirectional waste gas valve 600).
As Fig. 1, shown in Figure 8, between the second combustion chamber 601 of the first combustion chamber 621 and next-door neighbour, the top of outer quirk partition wall 625 is provided with combustion chamber through hole 6251, combustion chamber through hole 6251 is connected the second combustion chamber 601 of the first combustion chamber 621 and next-door neighbour to form associated one group, this example China and foreign countries gas-operated thermal bath facility 64 is provided with quirk partition wall 625 outside 18 roads altogether, forms 9 groups of associated burning groups; In addition, as shown in Figure 1; Because vaporizer 61 is highly higher, wherein outer combustion gas heating unit 64 mainly is divided into upper, middle and lower segment formula heating, and every section identical and associated the first combustion heater 62, the second combustion heater 60 form by 9 groups of structures.
As shown in Figure 1: each combustion chamber also is provided with chamber temperature monitoring holes 6201 and combustion chamber spy hole 6202 on body of heater 91 exterior walls, combustion chamber spy hole 6202 is convenient to the gas-fired situation that the technician directly observes each combustion chamber, in chamber temperature monitoring holes 6201, be provided with chamber temperature table 6203 for the temperature monitoring to combustion chamber to the gasification process assessment.
As Figure 13, show: chamber temperature table 6203 links with industry control center 90, automatically gathers the temperature data of chamber temperature table 6203 by industry control center 90.
As Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, gas reversing system 66 comprises dish 661, lower wall 662, rotation reversing motor 663, air blower 664, gas fan 665, exhaust gas fan 666, lower wall 662 is connected to respectively air supervisor 667 and first air and is in charge of 6671, the second air is in charge of 6673, coal gas supervisor 668 and first gas manifold 6681, the second gas manifold 6683, combustion exhaust supervisor 669 and second combustion exhaust is in charge of 6693, the first combustion exhaust is in charge of 6691, wherein, the second combustion exhaust is in charge of the 6693 and first combustion exhaust and is in charge of the 6691 and first air and is in charge of the 6671 and second air and is in charge of the setting of the 6673 and first gas manifold 6681 and the second gas manifold 6683 and just exchanges (Fig. 2, Fig. 4, shown in Figure 6).
As Fig. 3, Fig. 4, Fig. 5, shown in Figure 6: on coil 661 and be fitted in lower wall 662 tops, upper dish 661 correspondence respectively is provided with air pipe connecting 6672, coal gas pipe connecting 6682, combustion exhaust pipe connecting 6692, thereby rotation reversing motor 663 drives upper dish 661 reciprocating rotation on lower wall 662 and realizes that air supervisor 667 constantly is in charge of the 6671 and second air with the first air and is in charge of 6673 and connects and cut off conversion, coal gas supervisor 668 constantly connects and cuts off conversion with the first gas manifold 6681 and the second gas manifold 6683, combustion exhaust supervisor 669 constantly is in charge of the 6693 and first combustion exhaust with the second combustion exhaust and is in charge of 6691 and connects and cut off conversion (be in charge of the 6671 and second air to be in charge of the switching of the 6673 and first gas manifold 6681 and the second gas manifold 6683 just opposite with the first air).
As Fig. 1, shown in Figure 6, in the periphery of body of heater 91, also be provided with two groups of bustle pipes, comprise the first air bustle pipe 6674, the first coal gas bustle pipe 6684, the first combustion exhaust bustle pipes 6694; The second air bustle pipe 6675, the second coal gas bustle pipe 6685, the second combustion exhaust bustle pipes 6695.
As Fig. 1, shown in Figure 6, the first air bustle pipe 6674 is in charge of the 6671 and first air by the first air and is entered arm 627 and couple together, by the first air be in charge of the 6671, first air bustle pipe 6674, the first air enters arm 627, the first accumulation of heat chamber 626 and the first combustion chamber 621 and forms same path;
Meanwhile, the first coal gas bustle pipe 6684 enters arm 622 by the first gas manifold 6681 and the first coal gas and couples together, and the first gas manifold 6681, the first coal gas bustle pipe 6684, the first coal gas is entered to arm 622 and the first combustion chamber 621 forms same path;
Simultaneously now, the first combustion exhaust bustle pipe 6694 is the first combustion exhaust to be in charge of to the 6691 and first combustion exhaust exhaust outlet 628 couple together, and the first combustion exhaust is in charge of to the 6691, first combustion exhaust bustle pipe 6694, the first combustion exhaust exhaust outlet 628, the same path of the first 626Yu combustion chamber, accumulation of heat chamber 621 formation.
In like manner; the second air bustle pipe 6675 is in charge of the 6673 and second air by the second air and is entered arm 607 and couple together, by the second air be in charge of the 6673, second air bustle pipe 6675, the second air enters arm 607, the second accumulation of heat chamber 606 and the second combustion chamber 601 and forms same path;
Meanwhile, the second coal gas bustle pipe 6685 enters arm 602 by the second gas manifold 6683 and the second coal gas and couples together, and the second gas manifold 6683, the second coal gas bustle pipe 6685, the second coal gas is entered to arm 602 and the second combustion chamber 601 forms same path;
Meanwhile, the second combustion exhaust bustle pipe 6695 is in charge of the 6693 and second combustion exhaust exhaust outlet 608 by the second burning gas and is coupled together, and the second combustion exhaust is in charge of to the 6693, second combustion exhaust bustle pipe 6695, the second combustion exhaust exhaust outlet 608, the second accumulation of heat chamber 606 and the second combustion chamber 601 and forms same path.
In addition, as shown in figure 14, the tail gas pod 164 that exhaust gas fan 666 is washed one's hair cleaner 16 by pipeline 6661 and tail gas water communicates; Shown in Figure 13; this example also comprises that gas reversing system controller 906 is for controlling rotation reversing motor 663, air blower 664, gas fan 665, exhaust gas fan 666; gas reversing system electric controller 906 links with upper industry control center 90 again; 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.
As shown in Figure 1, Figure 2~Fig. 5, Fig. 6, shown in Figure 13: the heating means of this outer combustion gas heating unit 64 are:
(1) the industry control center 90 startup rotation reversing motors upper dish 661 of 663 drive rotations on lower wall 662, air supervisor the 667 and first air is in charge of 6671 connections, and air supervisor the 667 and second air is in charge of 6673 and is in dissengaged positions; Simultaneously, coal gas supervisor the 668 and first gas manifold 6681 also is connected, and coal gas supervisor the 668 and second gas manifold 6683 is in dissengaged positions; Meanwhile, combustion exhaust supervisor 669 is in charge of 6691 with the first combustion exhaust and also cuts off mutually, and corresponding combustion exhaust is responsible for the 669 and second combustion exhaust and is in charge of 6693 and is in the state of being connected;
(2) industry control center 90 starts air blower 664, gas fan 665, exhaust gas fan 666, air blower 664 by air blast air supervisor 667, air enter successively through air pipe connecting 6672, the first air be in charge of the 6671, first air bustle pipe 6674, the first air enters arm 627 and enters into the first accumulation of heat chamber 626, after the heat that utilizes the first heat storage 623 to discharge heats air, enter in the first combustion chamber 621, simultaneously, gas fan 665 blasts coal gas supervisor 668 by purified gas, coal gas enters coal gas pipe connecting 6682 successively, the first gas manifold 6681, the first coal gas bustle pipe 6684, the first coal gas enters arm 622 and enters in the first combustion chamber 621 and burn, meanwhile, because combustion exhaust supervisor 669 is in charge of 6691 with the first combustion exhaust and is in the phase dissengaged positions, and corresponding combustion exhaust supervisor the 669 and second combustion exhaust is in charge of 6693 and is in the state of being connected, so the waste gas in the first combustion chamber 621 after gas-fired can only enter into the second combustion chamber 601 by the combustion chamber through hole 6251 on outer quirk partition wall 625 tops, again through in the second accumulation of heat chamber 606, after the second heat storage 603 in the second accumulation of heat chamber 606 carries out absorbing and cooling temperature from the second combustion exhaust exhaust outlet 608, the second combustion exhaust bustle pipe 6695, the second combustion exhaust is in charge of 6693, combustion exhaust pipe connecting 6692, combustion exhaust supervisor 669 discharges by exhaust gas fan 666,
(3) reach and set combustion time, industry control center 90 starts the upper dish 661 of rotation reversing motor 663 drive and rotates backward on lower wall 662, air supervisor the 667 and first air is in charge of 6671 and is cut off, air supervisor the 667 and second air is in charge of 6673 and is in on-state, simultaneously, coal gas supervisor 668 also cuts off mutually with the first gas manifold 6681, coal gas supervisor the 668 and second gas manifold 6683 on-states, meanwhile, combustion exhaust supervisor the 669 and first combustion exhaust is in charge of 6691 and also is connected, and corresponding combustion exhaust supervisor the 669 and second combustion exhaust is in charge of 6693 also phase dissengaged positions,
(4) air blower 664 by air blast air supervisor 667, air enter successively through air pipe connecting 6672, the second air be in charge of the 6673, second air bustle pipe 6675, the second air enters arm 607 and enters into the second accumulation of heat chamber 606, after the heat that utilizes the second heat storage 603 in the second accumulation of heat chamber 606 to discharge heats air, enter in the second combustion chamber 601, simultaneously, gas fan 665 blasts coal gas supervisor 668 by purified gas, coal gas enters coal gas pipe connecting 6682 successively, the second gas manifold 6683, the second coal gas bustle pipe 6685, the second coal gas enters arm 602 and enters in the second combustion chamber 601 and burn, meanwhile, because combustion exhaust supervisor the 669 and first combustion exhaust is in charge of 6691 and is connected, and corresponding combustion exhaust supervisor the 669 and second combustion exhaust is in charge of 6693 and is in the phase dissengaged positions, so the waste gas in the second combustion chamber 601 after gas-fired can only enter by the combustion chamber through hole 6251 on outer quirk partition wall 625 tops in the first combustion chamber 621, again through the first accumulation of heat chamber 626, after the first heat storage 603 in the first accumulation of heat chamber 626 carries out absorbing and cooling temperature, finally from the first combustion exhaust exhaust outlet 628, the first combustion exhaust bustle pipe 6694, the first combustion exhaust is in charge of 6691, combustion exhaust supervisor 669 discharges by exhaust gas fan 666, so outer combustion gas heating unit 64 combustion principle are that the waste gas generated after gas-fired in the first combustion chamber 621 enters the second combustion chamber 601 from combustion chamber through hole 6251, after the second heat storage 603 in the second combustion chamber 601 and the second accumulation of heat chamber 606 is to its exhaust-heat absorption cooling, discharge, otherwise, the waste gas generated after gas-fired in the second combustion chamber 601 enters the first combustion chamber 621 from combustion chamber through hole 6251, after the first heat storage 603 in the first combustion chamber 621 and the first accumulation of heat chamber 606 is to its exhaust-heat absorption cooling, discharge.
Further: the waste gas after purified gas burning by exhaust gas fan 666 enter tail gas water wash one's hair in cleaner 16 carry out water wash one's hair purify after clean the discharge.
In sum, this gas by the gas reversing system two advances the mode of operation of the regenerative heat exchange of a mode of operation out and regenerative heat exchanger, realize the combustion heater alternate combustion of two groups of associations, be that the gas reversing system is sent into air, purified gas burning to the combustion chamber of the first combustion heater, from the hot waste gas after sucking-off burning the combustion chamber of the second combustion heater, the second heat storage absorbing and cooling temperature of hot waste gas in the second regenerative heat exchanger of the second combustion heater becomes the relatively low low temperature waste gas of temperature and discharges simultaneously; In like manner, the gas reversing system is sent into air, purified gas burning to the combustion chamber of the second combustion heater, from the hot waste gas after sucking-off burning the combustion chamber of the first combustion heater, the first heat storage absorbing and cooling temperature of hot waste gas in the first regenerative heat exchanger of the first combustion heater becomes the relatively low low temperature waste gas of temperature and discharges simultaneously; This method of mutually utilizing waste gas residual heat after gas-fired to add warm air, both played the waste gas residual heat after gas-fired had been taken full advantage of, improve the efficiency of combustion of the coal gas in combustion chamber, can carry out cooling to a certain degree to the waste gas after gas-fired again, need not consume the external energy, play energy-saving and cost-reducing purpose, save smokeless char gasification cost, waste gas after gas-fired can totally discharge again, carves and current environmental requirement.
Heating by external gas-operated thermal bath facility 64 is controlled automatically, reduces human cost, has improved the control accuracy to gasification, realizes automatization.
As Fig. 1, Figure 10, shown in Figure 11, interior gas-operated thermal bath facility 67 is mainly by some groups of the 3rd combustion heater 68 and the 4th combustion heaters 69 that (6 groups of this examples) structure is identical, because the highly higher interior gas-operated thermal bath facility 67 of vaporizer 61 mainly is divided into, lower two-section type heating, every section has 6 groups of identical associations of structure to carry out associated the 3rd combustion heater 68, the 4th combustion heater 69, it forms structure and associated first burning heater 62 of combustion principle with above introduction, the principle of the second burning heater 60 is almost completely identical, the 3rd combustion heater 68 also comprises the 3rd combustion chamber 681, the 3rd coal gas enters arm 682, the 3rd accumulation of heat chamber 686, the 3rd heat storage 683, the 3rd air enters arm 687 and the 3rd combustion exhaust exhaust outlet 688.
As Fig. 1, Fig. 9, shown in Figure 11, the 3rd combustion chamber 681 is gas-fired quirks that in the vaporizer be built into by fire-resistant thermally conductive material, ringwall 612 and internal-quirk partition wall 635 surround a relative closure.
As shown in Figure 1, Figure 10 shows, the 3rd coal gas of hypomere enters arm 682 and passes and upwards lead to the 3rd combustion chamber 681 below the bar bow 651 of center support bow 65, the 3rd accumulation of heat chamber 686 is arranged on the body of heater 91 of bar bow 651 belows, the 3rd heat storage 683 is placed in the 3rd accumulation of heat chamber 686, the 3rd accumulation of heat chamber 686 1 ends pass to extend upward and lead to 681 bottoms, the 3rd combustion chamber by extending passage 6861 below the bar bow 651 of center support bow 65, the 3rd accumulation of heat chamber 686 the other ends are connected to respectively the 3rd air and enter arm 687 and the 3rd combustion exhaust exhaust outlet 688.
As Fig. 1, Fig. 9, shown in Figure 10, the 3rd coal gas of epimere enters arm 682 and passes upwards and lead to the 3rd combustion chamber 681 through quirk partition wall 635 below the bar bow 651 of center support bow 65, the 3rd accumulation of heat chamber 686 is arranged on the body of heater 91 of bar bow 651 belows, the 3rd heat storage 683 is placed in the 3rd accumulation of heat chamber 686, the 3rd accumulation of heat chamber 686 1 ends pass upwards and extend and lead to 681 bottoms, the 3rd combustion chamber through quirk partition wall 635 below the bar bow 651 of center support bow 65 by extending passage 6861, the 3rd accumulation of heat chamber 686 the other ends are connected to respectively the 3rd air and enter arm 687 and the 3rd combustion exhaust exhaust outlet 688.
In like manner, as Fig. 9, Figure 10, shown in Figure 11, the 4th combustion heater 69 structures are complete identical with the 3rd combustion heater 68, repeat no more here, and wherein the 4th combustion chamber 691 is connected and formed one group associated (Fig. 1, shown in Figure 8) by chamber passage 6305 with the 3rd combustion chamber 681.
Wherein, as Fig. 1, Fig. 6, shown in Figure 10, the 3rd coal gas of the 3rd combustion chamber 681 of the 3rd burning heater 68 enters arm 682, the 3rd air and enters arm 687 and the 3rd combustion exhaust exhaust outlet 688 and by the first coal gas bustle pipe 6684, the first air bustle pipe 6674, the first combustion exhaust bustle pipes 6694 and the first gas manifold 6681, the first air, be in charge of the 6671, first combustion exhaust respectively and be in charge of 6691 and communicate.
As Fig. 6, shown in Figure 10, the 4th coal gas of the 4th combustion chamber 691 of the 4th burning heater 69 enters arm 692, the 4th air and enters arm 697 and the 4th combustion exhaust exhaust outlet 698 and by the second coal gas bustle pipe 6685, the second air bustle pipe 6675, the second combustion exhaust bustle pipe 6695 and the second gas manifold 6683, the second air, be in charge of the 6673, second combustion exhaust respectively and be in charge of 6693 and communicate.
Here, the 3rd burning heater 68, the 4th combustion heater 69 combustion principle and above the first burning heater 62, the second burning heater 60 are almost completely identical, repeat no more.
As shown in Figure 1, Figure 10 shows, center support bow 65, because in vaporizer, the quirk partition wall 635 of ringwall 612 and internal combustion heating unit 67 all is arranged in furnace chamber, need center support bow 65 for it provides support, the laying of various pipelines is provided for again simultaneously internal combustion heating unit 67.
As shown in Figure 1, Figure 10 shows, center support bow 65 is arranged in the furnace chamber of vaporizer 61, internal combustion heating unit 67 belows, mainly comprise the bar bow 651 ,Huo Gong center ringwalls 652 of some, bar bow 651 1 ends are fixed on Huo Gong center ringwall 652, the other end is fixed on body of heater 91, bar bow 651 is the radial layout of scattering in interval at a certain angle around ringwall 652 centers, Huo Gong center, fire bow 651 in this example is 12 bows, and quantity is consistent with the 3rd burning heater 68 the 4th burning heater 69 sums that are mutually related of internal combustion heating unit 67.
As Fig. 1, Figure 10, Fig. 9, shown in Figure 11, article one, in the body of wall of fire bow 651, the extension passage 6861 that the 3rd coal gas enters arm 682 and the 3rd accumulation of heat chamber 686 is set, the 4th coal gas tightly arranged in the body of wall of another adjacent fire bow 651 enters the extension passage 6961 in arm 692 and the 4th accumulation of heat chamber 696, provide convenience for the pipeline laying of internal combustion heating unit 67, make the various conduit arrangements of internal combustion heating unit 67 orderly, be unlikely to interfere.
In sum, the type of heating of gasification installation 6 is by outer combustion gas heating unit 64, interior gas-operated thermal bath facility 67 adopts duplex combustion chamber and commutation heating, on outer combustion gas heating unit 64 minutes, in, lower three sections heating, on interior gas-operated thermal bath facility 67 minutes, lower two sections heating, in vaporizer 61, provide thermal source, in addition, the water-gas gasification reaction of this gasification installation 6 carries out vaporizer 61 is indoor separately, and heating is carried out vaporizer 61 is outdoor separately, therefore be referred to as external-heat, be different from existing intermittence fuel bed and regenerator same indoor carrying out, making water-gas reaction and water-gas gasification reaction heat respectively can be continuous, controlled carrying out, mutually coordinate and non-interference.
The second section water-gas reaction
Because smokeless char temperature in vaporizer is higher, generally all more than 1000 °, then pass into water vapor to smokeless char, the charcoal in the high temperature smokeless char and superheated vapour meet and carry out the hot water-gas (carbon monoxide and hydrogen) of water-gas reaction generation high temperature.
As Fig. 1, shown in Figure 12, external-heat water-gas gasification installation 7 comprises that gasification installation 6, material cooling chamber 70, steam enter siphunculus 707, hot gas heating-type vapor generating unit (figure does not look out).
As shown in Figure 1, the vaporizer 61 of gasification installation 6 is positioned at center support bow 65 tops, outer combustion gas heating unit 64, interior gas-operated thermal bath facility 67 are required thermals source of vaporizer 61, certainly, if it is also feasible that vaporizer 61 is used to other external heating device, inner heating device, as long as can guarantee required heat and temperature to vaporizer 61, be not limited to the type of heating of above-mentioned outer combustion gas heating unit 64, interior gas-operated thermal bath facility 67.
As shown in Figure 1, material cooling chamber 70 is arranged on body of heater 91 bottoms and is positioned at center support bow 65 belows, and the top of material cooling chamber 70 communicates with vaporizer 61 bottoms; Steam enters the top of siphunculus 707 1 end material cooling chamber 70, steam enters the opening 708 of siphunculus 707 downwards towards material cooling chamber 70, and steam enters siphunculus 707 the other ends and stretches out communicating of outer sweating room (the scheming not look out) with hot gas heating-type vapor generating unit of body of heater 91.
Because the task of external-heat water-gas gasification installation 7 is to produce a large amount of water-gas, so smokeless char need to consume a large amount of water vapors while in vaporizer 61, carrying out water-gas reaction, need to produce the steam generation device of a large amount of water vapors, and the water-gas temperature that in this example, smokeless char and steam reaction generate is very high, usually more than 500 °, hot gas heating-type vapor generating unit also can be referred to as hot gas heating-type vapor boiler, primary structure is that the hot gas interchanger forms separately an independently gas passage, container or the water tank of dress water form sweating room, the hot gas interchanger is placed in to container or the water tank of dress water, the gas passage of hot gas interchanger is connected with water-gas bustle pipe 85, sweating room enters siphunculus 707 with water vapor importing steam and is connected, utilize the heat of the hot gas interchanger water-gas that high temperature is hot to pass to the water in container or water tank, thereby the water in container or water tank is added to the thermosetting water vapor, again water vapor is imported to steam and enter siphunculus 707, both played the cooling to water-gas, simultaneously again make up water coal gas seasonable required a large amount of water vapor, do not need to consume the extra energy, the water-gas cost is further saved.
Water-gas reaction Principle Method of the present invention is:
(1), steam enters siphunculus 707 and passes into water vapor to material cooling chamber 70, water vapor blows to material cooling chamber 70, give the cooling of the high-temp solid product after water-gas a large amount of in material cooling chamber 70 gasifies, when the solid of water vapor after giving gasification lowered the temperature, improve steam temperature and form superheated vapour;
(2), superheated vapour passes center support bow 65 and enters vaporizer 61, and contact with the high temperature smokeless char material of vaporizer 61, the charcoal in smokeless char and superheated vapour meet and carry out the hot water-gas (carbon monoxide and hydrogen) of water-gas reaction generation high temperature;
(3), the water-gas that high temperature is hot passes into hot gas heating-type vapor generating unit heating water and forms water vapor, the water vapor again hot gas heating-type vapor generating unit produced passes into steam and enters siphunculus 707, supplement because of the required a large amount of water vapors of water-gas reaction, make water-gas reaction uninterruptedly to carry out continuously;
(4), above-mentioned the 2nd step, the heating of vaporizer 61 is adopted duplex combustion chamber and commutation accumulation of heat heating means by outer combustion gas heating unit 64, interior gas-operated thermal bath facility 67, the upper, middle and lower segment heating in 64 minutes of outer combustion gas heating unit, the upper and lower two sections heating in 67 minutes of interior gas-operated thermal bath facility, to water-gas reaction institute heat requirement.
Charcoal and the superheated vapour of utilization of the present invention in the high temperature smokeless char meets and carries out water-gas reaction and generate the hot water-gas product of high temperature, water-gas output is large, in water-gas, hydrogen content is high, carbon monoxide and hydrogen reasonable ratio, other component content is low, it is desirable synthetic gas product, can be as reducing gas for other industry, reducing gas as used as the reducing and smelting as direct-reduced iron, also can obtain the excellent pure hydrogen product of inexpensive product as the reducing and smelting of direct-reduced iron reducing gas used by pressure-variable adsorption or membrane separation process, secondly, utilize the higher solid product of temperature after smokeless char gasifies directly to contact the generation superheated vapour with water vapor, reach the temperature required of water-gas reaction, promote water-gas reaction more to fill part, both when reducing the solid product temperature, produce again superheated vapour, finally, the water-gas that high temperature after water-gas reaction is hot is derived, for water is added to the thermogenesis water vapor, reaction provides in a large number water vapor endlessly to water-gas, this technological method that does not need to consume additional energy source meets energy-saving and cost-reducing that we advocate today, the theory of Sustainable development.
The 3rd water saving coal gas take-up gear
Charcoal in the high temperature smokeless char and superheated vapour carry out water-gas reaction and generate water-gas (carbon monoxide and hydrogen), and above general designation water-gas need to be derived in order to utilize water-gas.
As Fig. 1, Fig. 7, Fig. 8, Fig. 9, shown in Figure 11, water-gas take-up gear 8, comprise water-gas concentration chamber 81, outer derivation passage 83, derive main channel 84, water-gas bustle pipe 85; It is integrally formed that water-gas concentration chamber 81 is arranged on top and the vaporizer 61 of vaporizer 61; As Fig. 1, Fig. 8, shown in Figure 15, article 18, the outer passage 83 of deriving arranges in the exterior wall of body of heater 91, lower outside derivation feeder connection 831, upper outside derivation feeder connection 834 pass outer ring wall 611 middle parts and lead to vaporizer 61, and outer derivation channel outlet 832 is passed the water-gas concentration chamber 81 that outer ring wall 611 leads to the vaporizer top.
As shown in Figure 1, Figure 7 shows, derive main channel 84 and be arranged in the exterior wall of body of heater 91 of vapourizing furnace, derive main channel 84 and with water-gas concentration chamber 81, communicate to extend up to again and body of heater 91 is set with top water coal gas bustle pipe 85, communicates outward.
As Fig. 1, Fig. 7, Fig. 8, shown in Figure 9, in this example because vaporizer 61 annular chamber, so water-gas concentration chamber 81 is corresponding annular chamber also, article 18, the outer passage 83 of deriving is separately positioned in the middle of body of heater 91 exterior walls to pass with outer quirk partition wall 625 and outer ring wall 611 and leads to vaporizer 61, wherein, because the circumference of vaporizer 61 is longer, so interior ringwall 612 at vaporizer 61, on outer ring wall 611, be respectively arranged with 18 lower outside derivation feeder connections 831, upper outside derivation feeder connection 834, as shown in Figure 1, this example adopts this structure can better derive the water-gas that different sections in vaporizer 61 produce, around water-gas concentration chamber 81, also be provided with 8 the larger water-gas of sectional area main channels 84 in addition and lead to water-gas bustle pipe 85, the purpose arranged like this can conveniently derive a large amount of water-gas in water-gas concentration chamber 81.
These routine characteristics will enter outer derivation passage 83 and collect in water-gas concentration chamber 81 again from lower outside derivation feeder connection 831, upper outside derivation feeder connection 834 respectively by the different sections water-gas that produce in vaporizer 61, certainly a large amount of water-gas in vaporizer 61 are directly to rise up in water-gas concentration chamber 81, by deriving main channel 84, enter 85 discharges of water-gas bustle pipe.
The 4th joint continuous external heating type gasification
Comprehensively above-mentioned, these routine characteristics be by smokeless char preheating, smokeless gasification (water-gas reaction), steam produce, water-gas derive process integration together in, make that smokeless char gasification (water-gas reaction), steam produce, water-gas is able to continuous realization.
As shown in figure 14, continuous external heating type water-gas vapourizing furnace 9 comprise body of heater 91, pre-heating cabin 1, enter stove cloth passage 921, external-heat water-gas gasification installation 7, water-gas take-up gear 8, helix closed removal device 96, product feed bin 94; The concrete structure of pre-heating cabin 1, external-heat water-gas gasification installation 7, water-gas take-up gear 8 is shown in the above; Pre-heating cabin 1 is arranged on body of heater 91 tops, the high temperature hot gas admission passage 131 of pre-heating cabin 1 communicates with water-gas bustle pipe 85, body of heater 91 tops are provided with into stove cloth passage 921, enter stove cloth passage 921 upper ends and be connected with the charging valve 15 of pre-heating cabin 1 bottom, enter stove cloth passage 921 lower ends and communicate with vaporizer 61 tops of gasification installation 6 ,Above-mentioned charging valve 15 is mainly taked the airtight charging valve that closes function, prevent that mainly water-gas from spilling by entering stove cloth passage 921, guarantee that a large amount of water-gas is from deriving the derivation main channel 84 of water-gas take-up gear 8, certainly when charging valve 15, open while feeding in raw material, together, water-gas also is difficult to see through the smokeless char in stove cloth passage 921 and spills or can only spill by trace dense packing because the particle of smokeless char own is tiny.
As shown in figure 14, helix closed removal device 96 is arranged on material cooling chamber 70 bottoms of external-heat water-gas gasification installation 7, product feed bin 94 is placed in body of heater 91 bottoms, on product feed bin 94, connect helix closed removal device 96, helix closed removal device 96 belongs to prior art, as long as can play, avoid the grit of the solid product after smokeless char gasifies to fly upward, as the sealing discharging device on market, sealing material returning device, sealing blanking device etc.
The method of this routine continuous external heating type gasification is:
(1), by bucket elevator 18 by low-rank coal (brown coal) pyrolysis process obtain smokeless, anhydrous, low ash, highly active smokeless char is delivered to sealing infeed belt conveyor 17, sealing infeed belt conveyor 17 from preheating pre-heating cabin 1, then enters smokeless char in the vaporizer 61 of gasification installation 6 by entering stove cloth passage 921;
(2), gas-fired provides thermal source to vaporizer 61 after the 67 pairs of purifications of outer combustion gas heating unit 64, interior gas-operated thermal bath facility of the gasification installation 6 by external-heat water-gas gasification installation 7, smokeless char gasifies under hot environment in vaporizer 61;
(3), by external-heat water-gas gasification installation 7, pass into high-temperature water vapor from vaporizer 61 bottoms, and contact with the hot smokeless char gasification materiel of the high temperature of vaporizer 61, the charcoal in the solid product after the smokeless char gasification meets and carries out water-gas reaction generation water-gas with superheated vapour;
(4), solid product after the smokeless char gasification is from falling into material cooling chamber 70 vaporizer 61, the water vapor that upwards enters vaporizer 61 through material cooling chamber 70 is heated as to overheated high-temperature water vapor again, again the solid product after the smokeless char gasification is lowered the temperature simultaneously, according to the smokeless char gasification degree, control helix closed removal device 96 opens or closes in good time, solid product after smokeless char high-temperature gasification cooling in material cooling chamber 70 is entered in the product feed bin, while controlling charging valve 15 again, open in good time or close, smokeless char after preheating enters adding in vaporizer 61 of gasification installation 6 by entering stove cloth passage 921,
(5), water-gas reaction generates water-gas (carbon monoxide and hydrogen), be referred to as water-gas, water-gas is derived by the derivation main channel 84 of the water-gas take-up gear 8 that arranges on body of heater, by water-gas bustle pipe 85 and high temperature hot gas admission passage 131, enter 1 pair of smokeless char preheating of pre-heating cabin, be the preheating of above-mentioned the 1st step, the low temperature water gas after preheating is discharged by the cryogenic gas exhaust channel 138 of pre-heating cabin 1.
Further, water-gas is derived by the derivation main channel 84 of the water-gas take-up gear 8 that arranges on body of heater, by water-gas bustle pipe 85, import hot gas heating-type vapor generating unit heating water and form water vapor, the water vapor again hot gas heating-type vapor generating unit produced enters siphunculus 707 by steam and passes into external-heat water-gas gasification installation 7, supplement because of the required a large amount of water vapors of water-gas reaction, make water-gas reaction uninterruptedly to carry out continuously.
This example is incorporated into same body of heater by smokeless char preheating, gasifying process, realizes continuous smokeless char gasification, and production efficiency is high, and the required factory building face of equipment is little, and human cost is low, has the characteristics of low consumption, environmental protection.
The 4th part, continuous water-gas gasification are comprehensively
First segment continuous external heating type water-gas gasification integration unit
As shown in figure 14, comprehensively above-mentioned, draw continuous external heating type water-gas gasification integration unit, comprise that continuous external heating type water-gas vapourizing furnace 9, tail gas water washes one's hair cleaner 16, the tail gas pod 164 that the exhaust gas fan 666 of the gas reversing system 66 of the gasification installation 6 of continuous external heating type water-gas vapourizing furnace 9 is washed one's hair cleaner 16 by pipeline 6661 and tail gas water communicates.
So draw, continuous external heating type water-gas gasification integrated approach is: in the 2nd step of the method for above-mentioned continuous external heating type gasification, further supplement and be, above-mentioned outer combustion gas heating unit 64, interior gas-operated thermal bath facility 67 adopt duplex combustion chamber and commutation heating, in vaporizer 61, provide thermal source, the waste gas in outer combustion gas heating unit 64, interior gas-operated thermal bath facility 67 after purified gas burning by exhaust gas fan 666 enter tail gas water wash one's hair in cleaner 16 carry out water wash one's hair purify after clean the discharge.
Be further refined as: the upper, middle and lower segment heating in 64 minutes of outer combustion gas heating unit, the upper and lower two sections heating in 67 minutes of interior gas-operated thermal bath facility, provide thermal source in vaporizer 61.
The control of second section continuous external heating type water-gas gasification composite technology
As shown in figure 13: the control device of continuous external heating type water-gas gasification integration unit, comprise that industry control center 90 and the pre-hot feed of smokeless char use pass through bucket elevator 18, infeed belt conveyor 17 links; With charging valve 15, helix closed removal device 96, chamber temperature table 6203, rotation reversing motor 663, air blower 664, gas fan 665, exhaust gas fan 666, the sprinkling water pump 167 of smokeless char gasification use, link, by industry control center 90, automatically controlled their work.
The control method of continuous external heating type water-gas gasification integration unit is:
(1), industry control center 90 controls to the smokeless char pellet added in the feed bin 111 of pre-heating cabin 1 by bucket elevator 18, infeed belt conveyor 17, control charging valve 15 and open and close and by entering stove cloth passage 921, enter the smokeless char after preheating in blanking bin 14 in the vaporizer 61 of gasification installation 6;
(2), the temperature that records according to chamber temperature table 6203 of industry control center 90 carries out rotational frequency and air blower 664, gas fan 665, the external gas-operated thermal bath facility 64 of air force of exhaust gas fan 666, the gas-fired of interior gas-operated thermal bath facility 67 that comprehensive assessment smokeless char gasification situation controls rotation reversing motor 663 and controls, thereby reaction is adjusted to smokeless char water-gas;
(3), industry control center 90 water that the waste gas after burning in outer combustion gas heating unit 64, interior gas-operated thermal bath facility 67 pumped into to tail gas by exhaust gas fan 666 is washed one's hair in cleaner 16 and is purified;
(4), the purification that the pump water yield of spraying water pump 167 realizes the waste gas after burning is pumped into tail gas is adjusted at industry control center 90.
Above content introduction just exemplifies a tool embodiment of continuous water-gas gasification integration unit and technique, does not form the restriction to the continuous water-gas gasification integration unit of this case and technique protection domain.

Claims (10)

1. continuous external heating type water-gas vapourizing furnace is characterized in that: comprise body of heater, pre-heating cabin, enter stove cloth passage, external-heat water-gas gasification installation, helix closed removal device, product feed bin; Described pre-heating cabin is arranged on the body of heater top, comprises housing, hot gas interchanger, blanking bin, charging valve; In housing, be formed for the feed bin of smokeless char preheating, feed bin relative closure top only is provided with opening for feed, blanking bin is arranged on housing bottom and communicates with feed bin, blanking bin is for temporarily depositing the smokeless char after preheating, the blanking bin bottom connects has the airtight charging valve that closes function, and described hot gas interchanger comprises that high temperature hot gas admission passage, high temperature hot gas enter chamber, radiating pipe, radiating pipe serial connection passage, cryogenic gas discharge chamber;
High temperature hot gas admission passage one end communicates with the high temperature hot gas chamber of entering, the high temperature hot gas chamber of entering is arranged on a sidewall of housing, the cryogenic gas discharge chamber is arranged on high temperature hot gas and enters on the relative sidewall in chamber, and the cryogenic gas discharge chamber is provided with the cryogenic gas exhaust channel, several radiating pipe serial connection passages are the parallel feed bin inside that is transverse in housing in twos, being connected on high temperature hot gas enters between chamber and cryogenic gas discharge chamber, one end of upper radiating pipe serial connection passage communicates with the high temperature hot gas chamber of entering and the other end sealing, one end sealing of next radiating pipe serial connection passage and the other end communicates with the cryogenic gas discharge chamber, the rest may be inferred, several radiating pipes are spaced on radiating pipe serial connection passage, radiating pipe is " U " type, one terminates on parallel upper radiating pipe serial connection passage, the other end is connected on parallel next radiating pipe serial connection passage, parallel in twos radiating pipe serial connection passage is connected mutually, be about to high temperature hot gas and enter chamber and the connection of cryogenic gas discharge chamber,
Described external-heat water-gas gasification installation comprises that gasification installation, material cooling chamber, steam enter siphunculus, hot gas heating-type vapor generating unit, water-gas take-up gear, described gasification installation is arranged on the body of heater middle part, comprises vaporizer, outer combustion gas heating unit, interior gas-operated thermal bath facility, gas reversing system, center support bow; Vaporizer is the annulus that the interior ringwall made by fire-resistant thermally conductive material and outer ring wall form, the vaporizer top with enter stove cloth passage and communicate, be centered around vaporizer outer ring wall ring and be outer combustion gas heating unit outward, in vaporizer, be interior gas-operated thermal bath facility in the ringwall ring, wherein outer combustion gas heating unit consists of the first combustion heater, second combustion heater of at least one group of identical association of structure, and interior gas-operated thermal bath facility consists of at least one group of identical the 3rd combustion heater, the 4th combustion heater mutually;
Described the first combustion heater comprises that the first combustion chamber, the first coal gas enter arm and the first regenerative heat exchanger, the first coal gas enters arm and passes the body of heater exterior wall and lead in the first combustion chamber, the gas-fired quirk that the vaporizer outer ring wall that the first combustion chamber is the body of heater exterior wall that is built into by refractory materials, fire-resistant thermally conductive material is built into and outer quirk partition wall surround a relative closure, the first regenerative heat exchanger comprises that the first accumulation of heat chamber, the first heat storage, the first air enter arm and the first combustion exhaust exhaust outlet; The first accumulation of heat chamber is arranged in the body of heater exterior wall, and the first heat storage arranges in the first accumulation of heat chamber, and the first accumulation of heat chamber one end leads to the first bottom, combustion chamber, and the other end is connected to respectively the first air and enters arm and the first combustion exhaust exhaust outlet;
Described the second combustion heater structure is identical with the first combustion heater, also mainly comprise the second combustion chamber, the second coal gas enters arm and the second regenerative heat exchanger, the body of heater exterior wall that the second combustion chamber is built into by refractory materials, the vaporizer outer ring wall that fire-resistant thermally conductive material is built into and outer quirk partition wall surround the gas-fired quirk of a relative closure, the second coal gas enters arm and passes the body of heater exterior wall and lead in the second combustion chamber, the second regenerative heat exchanger comprises the second accumulation of heat chamber, the second heat storage, the second air enters arm and the second combustion exhaust exhaust outlet, the second accumulation of heat chamber is arranged in the body of heater exterior wall, the second heat storage arranges in the second accumulation of heat chamber, the second accumulation of heat chamber one end leads to the second bottom, combustion chamber, the other end is connected to respectively the second air and enters arm and the second combustion exhaust exhaust outlet, between the second combustion chamber of the first combustion chamber and next-door neighbour, the top of outer quirk partition wall is provided with the combustion chamber through hole, and the combustion chamber through hole is connected the second combustion chamber of the first combustion chamber and next-door neighbour to form and closed one group of connection, the identical association of at least one group of structure of interior gas-operated thermal bath facility comes associated the 3rd combustion heater, the 4th combustion heater, and it forms structure and combustion principle and associated the first burning heater, the second burning heater is identical,
The 3rd combustion heater also comprises the 3rd combustion chamber, the 3rd coal gas enters arm, the 3rd accumulation of heat chamber, the 3rd heat storage, the 3rd air enters arm and the 3rd combustion exhaust exhaust outlet, described the 3rd combustion chamber is the gas-fired quirk of a relative closure surrounding of the indoor ringwall of reduction that is built into by fire-resistant thermally conductive material and internal-quirk partition wall, the 3rd coal gas enters arm and passes and upwards lead to the 3rd combustion chamber below the bar bow of center support bow, the 3rd accumulation of heat chamber is arranged on the body of heater of bar bow below, the 3rd heat storage is placed in the 3rd accumulation of heat chamber, the 3rd accumulation of heat chamber one end passes to extend upward and leads to the 3rd bottom, combustion chamber by extending passage below the bar bow of center support bow, the 3rd accumulation of heat chamber the other end is connected to respectively the 3rd air and enters arm and the 3rd combustion exhaust exhaust outlet, the 4th combustion heater structure is complete identical with the 3rd combustion heater, also comprise the 4th combustion chamber, the 4th coal gas enters arm, the 4th accumulation of heat chamber, the 4th heat storage, the 4th air enters arm and the 4th combustion exhaust exhaust outlet, wherein the 4th combustion chamber and the 3rd combustion chamber by chamber passage connect form one group associated,
Described gas reversing system comprises dish, lower wall, the rotation reversing motor, air blower, gas fan, exhaust gas fan, lower wall is connected to respectively an air supervisor and the first air is in charge of, the second air is in charge of, a coal gas is responsible for and the first gas manifold, the second gas manifold, combustion exhaust supervisor and the second combustion exhaust are in charge of, the first combustion exhaust is in charge of, wherein, the second combustion exhaust is in charge of with the first combustion exhaust and is in charge of with the first air and is in charge of and with the second air, is in charge of and the setting of the first gas manifold and the second gas manifold is just exchanged, upper dish is fitted in the lower wall top, upper dish correspondence respectively is provided with the air pipe connecting, the coal gas pipe connecting, the combustion exhaust pipe connecting, thereby the rotation reversing motor drives upper dish reciprocating rotation on lower wall and realizes that the air supervisor constantly is in charge of with the second air and is in charge of and connects and cut off conversion with the first air, the coal gas supervisor constantly connects and cuts off conversion with the first gas manifold and the second gas manifold, combustion exhaust supervisor constantly be in charge of with the first combustion exhaust and be in charge of and connect and cut off conversion with the second combustion exhaust, described the first air is in charge of with the first air and is entered arm, the 3rd air enters arm and couples together, described the first gas manifold and the first coal gas enter arm, the 3rd coal gas enters arm and couples together, described the first combustion exhaust is in charge of and the first combustion exhaust exhaust outlet, the 3rd combustion exhaust exhaust outlet couples together, in like manner, described the second air is in charge of with the second air and is entered arm, the 4th air enters arm and couples together, described the second gas manifold and the second coal gas enter arm, the 4th coal gas enters arm and couples together, described the second burning gas is in charge of and the second combustion exhaust exhaust outlet, the 4th combustion exhaust exhaust outlet couples together, material cooling chamber is arranged on lower portion of furnace body and is positioned at center support bow below, and the top of material cooling chamber communicates with the vaporizer bottom, steam enters the top of siphunculus one end material cooling chamber, steam enters siphunculus, and Open Side Down towards material cooling chamber, steam enters the siphunculus the other end and stretches out that body of heater is outer to communicate with hot gas heating-type vapor generating unit, and hot gas heating-type vapor generating unit is connected with the water-gas take-up gear, described water-gas take-up gear communicates with the other end of the high temperature hot gas admission passage of pre-heating cabin, describedly enter stove cloth channel setting method body of heater top, entering stove cloth passage upper end is connected with the charging valve of pre-heating cabin bottom, entering stove cloth passage lower end communicates with the vaporizer top of gasification installation, helix closed removal device is arranged on the material cooling chamber bottom of external-heat water-gas gasification installation, the product feed bin is placed in bottom of furnace body, on the product feed bin, connects helix closed removal device.
2. continuous external heating type water-gas vapourizing furnace as claimed in claim 1, it is characterized in that: described hot gas heating-type vapor generating unit comprises container or the water tank of hot gas interchanger, dress water, container or the water tank of dress water form sweating room, the hot gas interchanger is placed in container or the water tank of dress water, the gas passage of hot gas interchanger is connected with the water-gas take-up gear, and sweating room enters siphunculus with water vapor importing steam and is connected.
3. continuous external heating type water-gas vapourizing furnace as claimed in claim 1 is characterized in that: described water-gas take-up gear comprises water-gas concentration chamber, outer derivation passage, derives main channel, water-gas bustle pipe; It is integrally formed that the water-gas concentration chamber is arranged on top and the vaporizer of vaporizer, in the exterior wall of outer derivation channel setting body of heater, lower outside derivation feeder connection, upper outside derivation feeder connection pass the outer ring wall middle part and lead to vaporizer, outer derivation channel outlet is passed the water-gas concentration chamber that outer ring wall leads to the vaporizer top, and the derivation main channel communicates with the water-gas concentration chamber to extend up to arrange outside body of heater again and communicates with top water coal gas bustle pipe.
4. continuous external heating type water-gas vapourizing furnace as claimed in claim 3, it is characterized in that: described hot gas heating-type vapor generating unit comprises container or the water tank of hot gas interchanger, dress water, container or the water tank of dress water form sweating room, the hot gas interchanger is placed in container or the water tank of dress water, the gas passage of hot gas interchanger is connected with the water-gas bustle pipe, and sweating room enters siphunculus with water vapor importing steam and is connected; The other end of the high temperature hot gas admission passage of described pre-heating cabin communicates with the water-gas bustle pipe.
5. continuous external heating type water-gas vapourizing furnace as claimed in claim 1, it is characterized in that: described gas reversing system also comprises two groups of bustle pipes of the periphery that is arranged on body of heater, comprises the first air bustle pipe, the first coal gas bustle pipe, the first combustion exhaust bustle pipe; The second air bustle pipe, the second coal gas bustle pipe, the second combustion exhaust bustle pipe, described the first air bustle pipe the first air is in charge of with the first air enter arm, the 3rd air enters arm and couples together; Described the first coal gas bustle pipe by the first gas manifold and the first coal gas enter arm, the 3rd coal gas enters arm and couples together; Described the first combustion exhaust bustle pipe is that the first combustion exhaust is in charge of with the first combustion exhaust exhaust outlet, the 3rd combustion exhaust exhaust outlet and is coupled together; In like manner, described the second air bustle pipe the second air is in charge of with the second air enter arm, the 4th air enters arm and couples together; Described the second coal gas bustle pipe by the second gas manifold and the second coal gas enter arm, the 4th coal gas enters arm and couples together; Described the second combustion exhaust bustle pipe is in charge of the second burning gas with the second combustion exhaust exhaust outlet, the second combustion exhaust exhaust outlet and is coupled together.
6. continuous external heating type water-gas vapourizing furnace as claimed in claim 1, it is characterized in that: described the first air enters between arm and the first accumulation of heat chamber and is provided with the first one-way air valve, and the first one-way air valve allows air to enter pipe and inflow the first combustion chamber, the first accumulation of heat chamber from the first air; Between described the first combustion exhaust exhaust outlet and the first accumulation of heat chamber, be provided with the first unidirectional waste gas valve, the first unidirectional waste gas valve allows the gas-fired waste gas first accumulation of heat chamber of flowing through from the first combustion chamber, finally from the first combustion exhaust exhaust outlet, discharges; Described the second air enters between arm and the second accumulation of heat chamber and is provided with the second one-way air valve, and the second one-way air valve allows air to enter with the second accumulation of heat chamber and flow into the second combustion chamber from the second air; Between the second combustion exhaust exhaust outlet and the second accumulation of heat chamber, be provided with the second unidirectional waste gas valve, the second unidirectional waste gas valve allows the gas-fired waste gas second accumulation of heat chamber of flowing through from the second combustion chamber, finally from the second combustion exhaust exhaust outlet, discharges.
7. continuous external heating type water-gas vapourizing furnace as claimed in claim 1, it is characterized in that: described outer combustion gas heating unit mainly is divided into upper, middle and lower segment formula heating, and every section identical and associated the first combustion heater, the second combustion heater form by least one group of structure.
8. continuous external heating type water-gas vapourizing furnace as claimed in claim 1, it is characterized in that: described interior gas-operated thermal bath facility mainly is divided into upper and lower two-section type heating, and every section consists of at least one group of structure identical the 3rd combustion heater, the 4th combustion heater mutually.
9. continuous external heating type water-gas vapourizing furnace as claimed in claim 1, it is characterized in that: described radiating pipe also adopts metallic substance to make.
10. continuous external heating type water-gas vapourizing furnace as claimed in claim 1, it is characterized in that: described radiating pipe is inverse u shape, and the inverse u shape top is wedge.
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11257094A (en) * 1998-03-16 1999-09-21 Electric Power Dev Co Ltd Coal gasification power generation system
CN102146301A (en) * 2011-02-15 2011-08-10 王子国 Method for two-stage coal gasification on composite external heat fixed bed and gas furnace
CN103205278A (en) * 2013-04-10 2013-07-17 山西鑫立能源科技有限公司 Thermal-cycle continuous pyrolysis-gasification comprehensive device for coal gangues
CN203866260U (en) * 2013-08-10 2014-10-08 山西鑫立能源科技有限公司 Continuous externally-heated water gas gasifier

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11257094A (en) * 1998-03-16 1999-09-21 Electric Power Dev Co Ltd Coal gasification power generation system
CN102146301A (en) * 2011-02-15 2011-08-10 王子国 Method for two-stage coal gasification on composite external heat fixed bed and gas furnace
CN103205278A (en) * 2013-04-10 2013-07-17 山西鑫立能源科技有限公司 Thermal-cycle continuous pyrolysis-gasification comprehensive device for coal gangues
CN203866260U (en) * 2013-08-10 2014-10-08 山西鑫立能源科技有限公司 Continuous externally-heated water gas gasifier

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