CN105542819A - Hot junction type coal dry distillation furnace - Google Patents
Hot junction type coal dry distillation furnace Download PDFInfo
- Publication number
- CN105542819A CN105542819A CN201610060273.4A CN201610060273A CN105542819A CN 105542819 A CN105542819 A CN 105542819A CN 201610060273 A CN201610060273 A CN 201610060273A CN 105542819 A CN105542819 A CN 105542819A
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- CN
- China
- Prior art keywords
- furnace body
- destructive distillation
- chamber
- dry distillation
- combustion chamber
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
- C10B53/08—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form in the form of briquettes, lumps and the like
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
- C10B57/08—Non-mechanical pretreatment of the charge, e.g. desulfurization
Abstract
The invention discloses a hot junction type coal dry distillation furnace. A feeding device and a dry distillation fuel gas pipe are arranged on the top of a furnace body of the hot junction type coal dry distillation furnace; a discharging device is arranged at the bottom of the furnace body; the furnace body main body is provided with a dry distillation chamber, a narrow layer fire-resistant brick layer, a combustion chamber, a fire-resistant wall and a heat insulation layer from the inside to the outside; the heat insulation layer is made of heat insulation materials and ordinary bricks; an initial heating furnace is arranged at one side of the lower part of the furnace body; the dry distillation chamber consists of iron casting elements; the narrow layer fire-resistant brick wall is arranged on the periphery of the dry distillation chamber, and the width is 120 to 130mm; the 1/3 height part of the furnace body from the bottom of the furnace body is a solid fire-resistant brick wall; the other 2/3 height part of the furnace body is a pattern type fire-resistant brick wall; the combustion chamber surrounds the dry distillation chamber; flow guide plates are in staggered arrangement at the front side and the back side of the combustion chamber; the feeding device comprises a hopper, a discharging valve, a buffer chamber, a buffer material valve and a feeding opening; the discharging device comprises an outlet, a rotating gate, a water pool, a harrow type elevator and a briquette coal conveying belt.
Description
Technical field
The invention belongs to retorting technique field, be specifically related to a kind of thermojunction moulded coal gas retort.
Background technology
At present, the gas retort that China uses is mostly internally heated retort oven, and internally heated retort oven has long, reliable, the fixed carbon that can utilize in semicoke running period, can process the advantages such as low grade oil shale.But, just cannot use internally heated retort oven when developing thermojunction moulded coal.Chinese patent 200910011013.8 discloses a kind of externally heated retort oven, comprises inside and forms vertical type body of heater, feeding device and slag discharging device by destructive distillation room and segment occurred; Upper end, destructive distillation room is provided with destructive distillation product exit, and the periphery of destructive distillation room and segment occurred is respectively equipped with several combustion chambers and regenerator; The upper end of each combustion chamber communicates with the auxiliary coal bin of feeding device bottom through flue gas delivery line, and lower end communicates with the generation gas inlet of melting down gas inlet and leading to segment occurred on furnace wall; Be provided with the semicoke combustion air and gas comburent air duct that communicate with segment occurred and lower end, combustion chamber respectively in regenerator, the outer end of pipeline communicates with the semicoke combustion air inlet on furnace wall and gas combustion air inlet respectively.This gas retort complicated structure, certain structures does not act on thermojunction type coal carbonization.And the structure of producing the thermojunction moulded coal gas retort applied in reality is too simple, can only interval type operation, cause the thermojunction moulded coal volatile matter produced up to more than 15%, in production process, stove case is yielding affect quality product when leaking air, operation and maintenance cost higher.Therefore, urgently research and development are applicable to the gas retort of thermojunction moulded coal.
Summary of the invention
For prior art Problems existing, the object of this invention is to provide a kind of thermojunction moulded coal gas retort, to overcome the existing deficiency for the production of thermojunction moulded coal gas retort.
For achieving the above object, the technical solution used in the present invention is:
Thermojunction moulded coal gas retort of the present invention is vertical type body of heater, and body of heater top is provided with feeding device and destructive distillation gas line, and bottom of furnace body is provided with drawing mechanism.Body of heater main body is respectively the thermal insulation layer that destructive distillation room, streak refractory brickwork, combustion chamber, refractory wall and lagging material and common brick build up from inside to outside, is provided with initial heating stove in the side of lower portion of furnace body.Described destructive distillation room is made up of the ironcasting of long 1700-2000mm, wide 350-400mm, high 500-550mm.Described streak refractory brickwork is arranged on destructive distillation room periphery, wide 120-130mm, 1/3 body of heater height from bottom of furnace body is entity streak refractory brickwork, play a part to prevent the ironcasting distortion of destructive distillation room, all the other bodies of heater of 2/3 are fancy streak refractory brickwork, play a supportive role.Described combustion chamber is around destructive distillation room, and flow deflector is staggered in the both sides, front and back of combustion chamber.Described feeding device comprises hopper, baiting valve, surge chamber, fender valve, opening for feed.Described drawing mechanism comprises outlet, rotary gate, pond, rake lift, moulded coal conveying belt, pond is located at the below of the outlet of destructive distillation room, rake lift is provided with in the side of pond middle outlet, the bottom in pond is the slope that exit is high, rake lift place is low, is provided with moulded coal conveying conveying belt outside low side limit, pond.Described initial heating stove comprises heating chamber, deashing chamber, fire grate and air outlet.
The ironcasting of described formation destructive distillation room, when vertical block connects, arranges the asbestos layer of one deck 100-150mm, makes the edge of ironcasting than other positions low 3-8 DEG C all the time, prevent ironcasting edge deformation between ironcasting.
Flow deflector in described combustion chamber 1800-1900mm At The Height from bottom of furnace body establishes the first layer, then raises 1500-1600mm and establish the second layer, then often raises 1000-1100mm and arranges one deck.
When the principle of work of thermojunction moulded coal gas retort of the present invention is fed in raw material, first the moulded coal suppressed is sent into hopper, open baiting valve moulded coal and enter surge chamber, baiting valve is closed automatically, open fender valve again, moulded coal enters destructive distillation room, and fender valve cuts out automatically, and the gas inside and outside baiting valve and fender valve two groups of valve isolations gas retort exchanges.When newly-built or after keeping in repair gas retort restarts, first initial heating stove is lighted with coal, initial heating stove relies on the malleation air blast of gas blower the hot blast of heating chamber to be delivered to the moulded coal of heating destructive distillation indoor, combustion chamber by air outlet, until destructive distillation indoor reach certain temperature when producing destructive distillation combustion gas voluntarily, under the effect of induced draft fan, through the combustion gas detar of destructive distillation gas line by destructive distillation indoor, after desulfurization process, air outlet is delivered to through gas pipeline, enter combustion chamber, form destructive distillation room aerogenesis, for the circulation voluntarily of combustion chamber combustion gas, initial heating stove is flame-out after completing initial heating task.The hot gas of combustion chamber from bottom to top detours under the guiding of flow deflector, delay the speed that hot gas is up in combustion chamber, make the heating of destructive distillation room more even, the situation that the temperature forming destructive distillation Indoor Thermal junction type coal progressively raises from below to up, solves existing gas retort combustion chamber and causes the fuel gas inlet place of combustion chamber because hot gas rises fast and head temperature is too high and problem that middle portion temperature is low.When the temperature of destructive distillation Indoor Thermal junction type coal reaches about 700 DEG C, just should come out of the stove, slowly open rotary gate, thermojunction moulded coal is from inverted trapezoidal, fallen by the outlet of water-lute, enter pond cooling, produce a large amount of hot steams after the thermojunction moulded coal of high temperature contact with water and enter destructive distillation room and form water-gas confession self-burning, the thermojunction moulded coal in pond is along pond slope current to outlet side, under the effect of rake lift and moulded coal conveying belt, will export through overcooled thermojunction moulded coal.
Beneficial effect of the present invention
(1) the present invention is exclusively used in thermojunction type coal carbonization, and gas retort of the present invention is reasonable in design, relatively simple for structure, and construction investment is less, can continuous seepage thermojunction moulded coal.(2) ironcasting of employing standard in destructive distillation room of the present invention is built to connect and is formed, have employed the problem of the easy heat distortion of ironcasting that two schemes prevents prior art from existing, one is be provided with asbestos layer between ironcasting, because thermal conduction is obstructed, make the edge of ironcasting and the low 3-8 DEG C in other positions, this temperature difference significantly reduces the problem on deformation at ironcasting edge; Two is ironcasting peripheries, destructive distillation room that 1/3 body of heater is high bottom gas retort, adds and has built the thick refractory brick of 120-130mm, reduce combustion chamber high temperature directly to ironcasting rapid heating, serve extraordinary resistance to deformation effect.(3) the present invention has built initial heating stove in the bottom of body of heater, and this design does not increase the floor space of gas retort, is comparatively equipped with the gas producer being specifically designed to initial heating and saves a large amount of investments and the running cost in later stage.(4) the present invention adopts water-lute cooling dumping device, high-temperature hot junction type coal is used to cool fast in water, simultaneously because the outlet of destructive distillation room is by water-lute, the a large amount of water vapors produced enter destructive distillation room from outlet and form new forms of energy, reduce the pollution to environment, save the more place that cools.(5) gas retort of the present invention is adopted to produce thermojunction moulded coal, can by coal slime and blue powdered carbon the like waste material, be processed into available clean fuel, the volatile matter of the thermojunction moulded coal produced is reduced to present less than 4% by original 15%-20%, the more existing gas retort of sulphur content all reduces more than 40%, effectively reduces the pollution of sulphur to environment.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is Figure 1A-A sectional view.
Fig. 3 is Figure 1B-B sectional view.
In figure: 1, hopper, 2, baiting valve, 3, surge chamber, 4, fender valve, 5, opening for feed, 6, destructive distillation room, 7, fancy streak refractory brickwork, 8, combustion chamber, 9, flow deflector, 10, refractory wall, 11, thermal insulation layer, 12, entity streak refractory brickwork, 13, gas pipeline, 14, initial heating stove, 15, outlet, 16, rotary gate, 17, pond, 18, rake lift, 19, moulded coal conveying belt, 20, heating chamber, 21, deashing chamber, 22, fire grate, 23, air outlet, 24, destructive distillation gas line.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further elaborated.
As shown in Figure 1, thermojunction moulded coal gas retort of the present invention comprises hopper 1, baiting valve 2, surge chamber 3, fender valve 4, opening for feed 5, destructive distillation room 6, fancy streak refractory brickwork 7, combustion chamber 8, flow deflector 9, refractory wall 10, thermal insulation layer 11, entity streak refractory brickwork 12, gas pipeline 13, initial heating stove 14, outlet 15, rotary gate 16, pond 17, rake lift 18, moulded coal conveying belt 19, heating chamber 20, deashing chamber 21, fire grate 22, air outlet 23, destructive distillation gas line 24.Described gas retort is vertical type body of heater, and body of heater top is provided with feeding device and destructive distillation gas line 24, and bottom of furnace body is provided with drawing mechanism.Body of heater main body is respectively the thermal insulation layer 11 that destructive distillation room 6, individual layer refractory brickwork 12, combustion chamber 8, refractory wall 10 and lagging material and common brick build up from inside to outside, is provided with initial heating stove 14 in the side of lower portion of furnace body.Destructive distillation room 6 is made up of the ironcasting of long 1700-2000mm, wide 350-400mm, high 500-550mm, when ironcasting is vertically built and connect, arranges the asbestos layer of one deck 100-150mm between ironcasting.Individual layer refractory brickwork 12 is arranged on destructive distillation room periphery, wide 120-130mm, and 1/3 body of heater height from bottom of furnace body is entity streak refractory brickwork, and all the other bodies of heater of 2/3 are fancy streak refractory brickwork.Described feeding device comprises hopper 1, baiting valve 2, surge chamber 3, fender valve 4, opening for feed 5.Described drawing mechanism comprises outlet 15, rotary gate 16, pond 17, rake lift 18, moulded coal conveying belt 19.Pond 17 is located at the below of the outlet 15 of destructive distillation room 6, by the pond water surface, outlet 15 is sealed, the side of pond 17 middle outlet 15 is provided with rake lift 18, the bottom in pond 17 is the slope that outlet 15 place is high, rake lift 18 place is low, is provided with moulded coal conveying conveying belt 19 outside low side limit, pond 17.Described initial heating stove comprises heating chamber 20, deashing chamber 21, fire grate 22 and air outlet 23.
As shown in Figure 2,3, combustion chamber 8 of the present invention is around destructive distillation room 6, in combustion chamber 8, from bottom of furnace body, 1800-1900mm eminence establishes the first layer combustion gases flow deflector 9, raise 1500-1600mm again and establish second layer flow deflector 9, then often raise 1000-1100mm and arrange one deck flow deflector 9, flow deflector is staggered in the both sides, front and back of combustion chamber 8.
Claims (3)
1. a thermojunction moulded coal gas retort, is characterized in that, thermojunction moulded coal gas retort is vertical type body of heater, and body of heater top is provided with feeding device and destructive distillation gas line, and bottom of furnace body is provided with drawing mechanism.Body of heater main body is respectively the thermal insulation layer that destructive distillation room, streak refractory brickwork, combustion chamber, refractory wall and lagging material and common brick build up from inside to outside, is provided with initial heating stove in the side of lower portion of furnace body; Described destructive distillation room is made up of the ironcasting of long 1700-2000mm, wide 350-400mm, high 500-550mm; Described streak refractory brickwork is arranged on destructive distillation room periphery, wide 120-130mm, and 1/3 body of heater height from bottom of furnace body is entity streak refractory brickwork, and all the other bodies of heater of 2/3 are fancy streak refractory brickwork; Described combustion chamber is around destructive distillation room, and flow deflector is staggered in the both sides, front and back of combustion chamber; Described feeding device comprises hopper, baiting valve, surge chamber, fender valve, opening for feed; Described drawing mechanism comprises outlet, rotary gate, pond, rake lift, moulded coal conveying belt, pond is located at the below of the outlet of destructive distillation room, rake lift is provided with in the side of pond middle outlet, the bottom in pond is the slope that exit is high, rake lift place is low, is provided with moulded coal conveying conveying belt outside low side limit, pond; Described initial heating stove comprises heating chamber, deashing chamber, fire grate and air outlet.
2. thermojunction moulded coal gas retort according to claim 1, is characterized in that, the ironcasting of described formation destructive distillation room, when vertical block connects, arranges the asbestos layer of one deck 100-150mm between ironcasting.
3. thermojunction moulded coal gas retort according to claim 1, it is characterized in that, flow deflector in described combustion chamber 1800-1900mm At The Height from bottom of furnace body establishes the first layer, then raises 1500-1600mm and establish the second layer, then often raises 1000-1100mm and arranges one deck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610060273.4A CN105542819B (en) | 2016-01-29 | 2016-01-29 | Thermojunction moulded coal gas retort |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610060273.4A CN105542819B (en) | 2016-01-29 | 2016-01-29 | Thermojunction moulded coal gas retort |
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| Publication Number | Publication Date |
|---|---|
| CN105542819A true CN105542819A (en) | 2016-05-04 |
| CN105542819B CN105542819B (en) | 2018-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610060273.4A Active CN105542819B (en) | 2016-01-29 | 2016-01-29 | Thermojunction moulded coal gas retort |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109607536A (en) * | 2019-01-30 | 2019-04-12 | 淮北航浩新材料科技有限公司 | It is a kind of to be carbonized and activate combined vertical furnace |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2658150Y (en) * | 2003-10-22 | 2004-11-24 | 李志远 | Combined formed coke oven |
| RU2258078C1 (en) * | 2003-11-25 | 2005-08-10 | Государственное научное учреждение Всероссийский научно-исследовательский институт электрификации сельского хозяйства (ГНУ ВИЭСХ) | Plant for pyrolysis reworking of carbon-containing raw material |
| CN205347333U (en) * | 2016-01-29 | 2016-06-29 | 柳林县天盛环保技术有限公司 | Thermojunction moulded coal gas retort |
-
2016
- 2016-01-29 CN CN201610060273.4A patent/CN105542819B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2658150Y (en) * | 2003-10-22 | 2004-11-24 | 李志远 | Combined formed coke oven |
| RU2258078C1 (en) * | 2003-11-25 | 2005-08-10 | Государственное научное учреждение Всероссийский научно-исследовательский институт электрификации сельского хозяйства (ГНУ ВИЭСХ) | Plant for pyrolysis reworking of carbon-containing raw material |
| CN205347333U (en) * | 2016-01-29 | 2016-06-29 | 柳林县天盛环保技术有限公司 | Thermojunction moulded coal gas retort |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109607536A (en) * | 2019-01-30 | 2019-04-12 | 淮北航浩新材料科技有限公司 | It is a kind of to be carbonized and activate combined vertical furnace |
| CN109607536B (en) * | 2019-01-30 | 2023-08-08 | 安徽宝隽机车部件有限公司 | Carbonization and activation combined type vertical furnace |
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| Publication number | Publication date |
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| CN105542819B (en) | 2018-01-09 |
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