CN104593084A - Gas generator - Google Patents
Gas generator Download PDFInfo
- Publication number
- CN104593084A CN104593084A CN201410815237.5A CN201410815237A CN104593084A CN 104593084 A CN104593084 A CN 104593084A CN 201410815237 A CN201410815237 A CN 201410815237A CN 104593084 A CN104593084 A CN 104593084A
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- Prior art keywords
- water
- air flow
- flow bed
- heat exchange
- communicated
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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
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/46—Gasification of granular or pulverulent flues in suspension
- C10J3/48—Apparatus; Plants
- C10J3/485—Entrained flow gasifiers
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
- C10J3/74—Construction of shells or jackets
- C10J3/76—Water jackets; Steam boiler-jackets
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
- C10J3/82—Gas withdrawal means
- C10J3/84—Gas withdrawal means with means for removing dust or tar from the gas
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
- C10J3/86—Other features combined with waste-heat boilers
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Solid-Fuel Combustion (AREA)
- Air Supply (AREA)
Abstract
The invention provides a gas generator which comprises a plurality of entrained-bed reaction furnaces and a heat exchange boiler, wherein the plurality of entrained-bed reaction furnaces are respectively and fixedly arranged on the top of the heat exchange boiler; each entrained-bed reaction furnace is internally provided with an entrained-bed reaction chamber; the upper part of each entrained-bed reaction furnace is provided with a pulverized coal gasification burner communicated with the interior of the corresponding entrained-bed reaction chamber; the entrained-bed reaction chambers of all the entrained-bed reaction furnaces are respectively communicated with the interior of the heat exchanger boiler. The gas generator is wide in load adjustment range, flexible and convenient in load adjustment, high in reliability and low in cost.
Description
Technical field
The present invention relates to coal gas generation technique, particularly relate to a kind of gazogene.
Background technology
Along with the anxiety of natural gas source, price is constantly climbed to a higher point, and industrial fuel gas more and more uses coal gas to substitute Sweet natural gas, to reduce production cost.Coal Gasification Technology refers to be sent in the reactor of such as vapourizing furnace by the coal through suitably process, under certain temperature and pressure, changes into gas by oxygenant with certain flow pattern, and then obtains the technology of coal gas.
The air-flow bed coal-gasification technology that existing Coal Gasification Technology adopts efficiency of carbon conversion high usually, namely air-flow bed coal-gasification device is adopted to obtain coal gas, this air-flow bed coal-gasification device comprises an air flow bed Reaktionsofen, air flow bed reaction chamber is provided with in air-flow Reaktionsofen, the top of air flow bed Reaktionsofen is provided with coal dust gasification burner, coal dust gasification burner is used for dry pulverized coal, oxygen and water vapour spray into air flow bed reaction chamber, the bottom of air flow bed Reaktionsofen is provided with heat exchange boiler, dry pulverized coal, high-temperature gasification reaction is there is in oxygen and water vapour in air flow bed reaction chamber, the reacted product of high-temperature gasification enters heat exchange boiler by the bottom of air flow bed Reaktionsofen, coal gas is obtained after heat exchange boiler cools and is separated the impurity such as the slag in this product, and discharge coal gas.
Existing air-flow bed coal-gasification technology, because the load range of existing air-flow bed coal-gasification device is narrow, different gas production rate demands cannot be met, and reliability is low, once the anxious condition of stopping work of burst, loss because stopping aerogenesis causing will be there will be, in addition, if increase multiple air-flow bed coal-gasification device, with broadening load range, and when an air-flow bed coal-gasification device happens suddenly anxious shut-down condition, start all the other air-flow bed coal-gasification devices, to ensure to there will not be the loss because stopping aerogenesis causing, then due to the system complex of multiple air-flow bed coal-gasification device, cause reliability low, cost is high.
Summary of the invention
The invention provides a kind of gazogene, the load range solving existing air-flow bed coal-gasification device is narrow, and the problem that reliability is low, to reduce the cost of existing air-flow bed coal-gasification technology.
The invention provides a kind of gazogene, comprise multiple air flow bed Reaktionsofen and heat exchange boiler, multiple described air flow bed Reaktionsofens are all fixedly installed on the top of described heat exchange boiler, air flow bed reaction chamber is equipped with in each described air flow bed Reaktionsofen, the top of each described air flow bed Reaktionsofen is equipped with the coal dust gasification burner be communicated with described air flow bed reaction chamber inside, and the air flow bed reaction chamber of each described air flow bed Reaktionsofen is all communicated with described heat exchange boiler inside.
Gazogene as above, wherein, preferably, described heat exchange boiler has heat exchange boiler body of heater, top in described heat exchange boiler body of heater is provided with cooling room, and the bottom in described heat exchange boiler body of heater is provided with the cold slag bath be communicated with described cooling room inside, and the air flow bed reaction chamber of each described air flow bed Reaktionsofen is all communicated with described cooling room inside, the sidewall of described heat exchange boiler body of heater is provided with gas exit, and described gas exit is for deriving the cooled coal gas of described cooling room.
Gazogene as above, wherein, preferably, the sidewall of described cooling room is water wall.
Gazogene as above, wherein, preferably, described water wall comprises internal layer water wall and outer water wall, and the gap between described internal layer water wall and outer water wall forms annular cooling chamber, and described annular cooling chamber is communicated with described gas exit.
Gazogene as above, wherein, preferably, described water wall also comprises the first water header and the second water header, described first water header is positioned at the bottom of described water wall, described second water header is positioned at the top of described water wall, the sidewall of described heat exchange boiler body of heater is also provided with water-in and water outlet, described first water header is communicated with described water-in, described second water header is communicated with described water outlet, described internal layer water wall is spaced by many first water pipes and forms, the two ends of many described first water pipes are communicated with described second water header with described first water header respectively, described outer water wall is arranged by many second water pipes and forms, the two ends of many described second water pipes are communicated with described second water header with described first water header respectively.
Gazogene as above, wherein, preferably, the sidewall of described heat exchange boiler body of heater is also provided with cooled coal gas entrance, described cooled coal gas entrance is communicated with described cooling room inside, and the connectivity part of described cooled coal gas entrance and described cooling room is positioned at the top of described cooling room.
Gazogene as above, wherein, preferably, the bottom of each described air flow bed reaction chamber is all communicated with described cooling room inside by taper reducing, and the top of described cooling room is located in the bottom of described taper reducing.
Gazogene as above, wherein, preferably, the inwall of described air flow bed reaction chamber is fireproof heat-insulating wall.
Gazogene provided by the invention, owing to being provided with multiple air flow bed Reaktionsofen, and multiple air flow bed Reaktionsofen is all independently provided with air flow bed reaction chamber and coal dust gasification burner, load range is wide, load adjustment is flexible, and reliability is high, and cost is low.
Accompanying drawing explanation
The structural representation of the gazogene that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 is the vertical view of Fig. 1;
The structural representation of the water wall in the gazogene that Fig. 3 provides for the embodiment of the present invention.
Reference numeral:
100-air flow bed Reaktionsofen; 110-air flow bed reaction chamber; 120-coal dust gasification burner;
130-taper reducing; 200-heat exchange boiler; 210-heat exchange boiler body of heater;
220-cooling room; The cold slag bath of 230-; 240-water wall;
241-internal layer water wall; 241a-first water pipe; The outer water wall of 242-;
242a-second water pipe; 243-annular cooling chamber; 244-first water header;
245-second water header; 250-gas exit; 260-cooled coal gas entrance;
270-water-in; 280-water outlet; The cold slag outlet of 290-.
Embodiment
The structural representation of the gazogene that Fig. 1 provides for the embodiment of the present invention; Fig. 2 is the vertical view of Fig. 1.Shown in Fig. 1-2, the invention provides a kind of gazogene, comprise multiple air flow bed Reaktionsofen 100 and heat exchange boiler 200, multiple air flow bed Reaktionsofens 100 are all fixedly installed on the top of heat exchange boiler 200, air flow bed reaction chamber 110 is equipped with in each air flow bed Reaktionsofen 100, the top of each air flow bed Reaktionsofen 100 is equipped with the coal dust gasification burner 120 be communicated with air flow bed reaction chamber 110 inside, and the air flow bed reaction chamber 110 of each air flow bed Reaktionsofen 100 is all communicated with heat exchange boiler 200 inside.
During gazogene work provided by the invention, by coal dust gasification burner 120, dry pulverized coal, oxygen and water vapour are imported in air flow bed reaction chamber 110, and in air flow bed reaction chamber 110, there is high-temperature gasification reaction generation coal gas of high temperature and molten slag, coal gas of high temperature and molten slag are sent in heat exchange boiler 200 and are carried out the conveying of process rear line.
Because multiple air flow bed Reaktionsofen 100 is all independently provided with air flow bed reaction chamber 110 and coal dust gasification burner 120, load range is wide, load adjustment is flexible, both the gas deliverability of the single air flow bed Reaktionsofen 100 of adjustable, the quantity of the air flow bed Reaktionsofen 100 of required work can be enabled again by gas production rate demand, enable one or more air flow bed Reaktionsofen 100, be 4 citings with the quantity of air flow bed Reaktionsofen 100, such as gas production rate is as being adjusted to 50% of rated load, only need enable 2 air flow bed Reaktionsofens 100, in addition, with the gas production rate of single air flow bed Reaktionsofen 100 for 10000Nm
3/ h ~ 15000Nm
3/ h is example, and the specified gas production rate of the rated load of gazogene is 40000Nm
3/ h, load range can be reached for 50% ~ 150%, moreover, once the anxious condition of stopping work of burst, fault air flow bed Reaktionsofen 100 can be directly stopped to work, other in running order air flow bed Reaktionsofens 100 still can work on, can also while closing fault air flow bed Reaktionsofen 100, enable the trouble free air flow bed Reaktionsofen 100 being in the state of quitting work, to ensure gas production rate, reliability is high, and due to only multiple air flow bed Reaktionsofen 100 need be configured on a gazogene, avoid the complex system using multiple gazogene, simple and reliable, and cost is low, in addition, the vapor pressure of existing air-flow bed coal-gasification device is high, and the present invention works owing to adopting multiple air flow bed reaction chamber 110, vapor pressure in each air flow bed reaction chamber 110 is low, equipment cost can be reduced, and the gas pressure of output can be 0.5MPa ~ 1.0MPa, low pressure pipeline can be used directly to carry, save coal gas conveying cost, reduce production cost.
Gazogene provided by the invention, owing to being provided with multiple air flow bed Reaktionsofen, and multiple air flow bed Reaktionsofen is all independently provided with air flow bed reaction chamber and coal dust gasification burner, load range is wide, load adjustment is flexible, and reliability is high, and cost is low.
On the basis of above-described embodiment technical scheme, preferably, heat exchange boiler 200 has heat exchange boiler body of heater 210, top in heat exchange boiler body of heater 210 is provided with cooling room 220, bottom in heat exchange boiler body of heater 210 is provided with the cold slag bath 230 be communicated with cooling room 220 inside, the bottom of heat exchange boiler body of heater 210 is also provided with the cold slag be communicated with the bottom of cold slag bath 230 and exports 290, the air flow bed reaction chamber 110 of each air flow bed Reaktionsofen 100 is all communicated with cooling room 220 inside, the sidewall of heat exchange boiler body of heater 210 is provided with gas exit 250, gas exit 250 is for deriving the cooled coal gas of cooling room 220.
Coal gas of high temperature and molten slag is generated after there is high-temperature gasification reaction in air flow bed reaction chamber 110, coal gas of high temperature and molten slag send into cooling room 220, by the cooling of cooling room 220, coal gas of high temperature is separated with molten slag, coal gas of high temperature is derived from gas exit 250, molten slag then falls into cold slag bath 230, the water coolant having certain liquid level is stored in cold slag bath 230, molten slag is by the direct sudden cold one-tenth solid granule of water, and can discharge from cold slag outlet 290, in addition cold slag bath 230 also can play gaseous tension in closed heat exchange boiler body of heater 210, prevent gas from the effect of cold slag outlet 290 effusion.
On the basis of above-described embodiment technical scheme, preferably, the sidewall of cooling room 220 is water wall 240, and coal gas of high temperature and molten slag enter cooling room 220, accept the cooling of water wall 240.
On the basis of above-described embodiment technical scheme, preferably, water wall 240 comprises internal layer water wall 241 and outer water wall 242, and the gap between internal layer water wall 241 and outer water wall 242 forms annular cooling chamber 243, and annular cooling chamber 243 is communicated with gas exit 250.
Coal gas of high temperature and molten slag are first being cooled by radiation heat transfer mode as in the cooling room 220 of wall by internal layer water wall 241, molten slag falls into cold slag bath 230, coal gas of high temperature is then entered annular cooling chamber 243 through internal layer water wall 241 and is again cooled by the mode of radiation heat transfer and convective heat exchange combination, coal gas of high temperature is repeatedly turned back in annular cooling chamber 243, finally derive from gas exit 250, the gas temperature in coal body exit 250 can be down to 600 DEG C, because water wall 240 adopts Double water-cooled wall construction, coal gas of high temperature is repeatedly turned back in annular cooling chamber 243, heat exchange efficiency is high, effectively raise cooling performance further, effectively can reduce the volume of heat exchange boiler.
On the basis of above-described embodiment technical scheme, preferably, water wall 240 also comprises the first water header 244 and the second water header 245, first water header 244 is positioned at the bottom of water wall 240, second water header 245 is positioned at the top of water wall 240, the sidewall of heat exchange boiler body of heater 210 is also provided with water-in 270 and water outlet 280, first water header 244 is communicated with water-in 270, second water header 245 is communicated with water outlet 280, internal layer water wall 241 is spaced by many first water pipe 241a and forms, the two ends of many first water pipe 241a are communicated with the second water header 245 with the first water header 244 respectively, outer water wall 242 is arranged by many second water pipe 242a and forms, the two ends of many second water pipe 242a are communicated with the second water header 245 with the first water header 244 respectively.
Internal layer water wall 241 and outer water wall 242 can adopt shell and tube or coil tube type, the medium water coolant of water wall 240 enters from water-in 270, medium cooling-water flowing is through the first water header 244, first water pipe 241a and the second water pipe 242a, and the second water header 245, with coal gas of high temperature heat exchange after, derive from water outlet 280 with the state of gas-liquid mixed.
On the basis of above-described embodiment technical scheme, preferably, the sidewall of heat exchange boiler body of heater 210 is also provided with cooled coal gas entrance 260, and cooled coal gas entrance 260 is communicated with cooling room 220 inside, and cooled coal gas entrance 260 is positioned at the top of cooling room 220 with the connectivity part of cooling room 220.The coal gas of high temperature produced after high-temperature gasification reaction occurs air flow bed reaction chamber 110 and molten slag are before entering cooling room 220, the cooled coal gas introduced due to self cooling gas entry 260 has carried out preliminary cooling to coal gas of high temperature and molten slag, and the Quench of cooled coal gas effectively raises cooling performance.
On the basis of above-described embodiment technical scheme, preferably, the bottom of each air flow bed reaction chamber 110 is all communicated with cooling room 220 inside by taper reducing 130, and the top of cooling room 220 is located in the bottom of taper reducing 130.Taper reducing 130 can avoid reaction heat in air flow bed reaction chamber 110 to external diffusion, be conducive to maintaining the hot environment in air flow bed reaction chamber 110, and the gas velocity at taper reducing 130 place is fast, the molten slag that air flow bed reaction chamber 110 produces after there is high-temperature gasification reaction is after taper reducing 130 place collects, easily exported in heat exchange boiler body of heater 210 by air-flow, in addition, taper reducing 130 is connected with the form of flanges that can adopt of heat exchange boiler body of heater 210, so that maintenance.
On the basis of above-described embodiment technical scheme, preferably, the inwall of air flow bed reaction chamber 110 is fireproof heat-insulating wall, and the temperature that the high-temperature gasification due to air flow bed reaction chamber 110 reacts is greater than 1400 DEG C, and adopt fireproof heat-insulating wall, security is high.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (8)
1. a gazogene, comprise multiple air flow bed Reaktionsofen and heat exchange boiler, multiple described air flow bed Reaktionsofens are all fixedly installed on the top of described heat exchange boiler, air flow bed reaction chamber is equipped with in each described air flow bed Reaktionsofen, the top of each described air flow bed Reaktionsofen is equipped with the coal dust gasification burner be communicated with described air flow bed reaction chamber inside, and the air flow bed reaction chamber of each described air flow bed Reaktionsofen is all communicated with described heat exchange boiler inside.
2. gazogene according to claim 1, it is characterized in that, described heat exchange boiler has heat exchange boiler body of heater, top in described heat exchange boiler body of heater is provided with cooling room, bottom in described heat exchange boiler body of heater is provided with the cold slag bath be communicated with described cooling room inside, the air flow bed reaction chamber of each described air flow bed Reaktionsofen is all communicated with described cooling room inside, the sidewall of described heat exchange boiler body of heater is provided with gas exit, and described gas exit is for deriving the cooled coal gas of described cooling room.
3. gazogene according to claim 1, is characterized in that, the sidewall of described cooling room is water wall.
4. gazogene according to claim 3, it is characterized in that, described water wall comprises internal layer water wall and outer water wall, and the gap between described internal layer water wall and outer water wall forms annular cooling chamber, and described annular cooling chamber is communicated with described gas exit.
5. gazogene according to claim 4, it is characterized in that, described water wall also comprises the first water header and the second water header, described first water header is positioned at the bottom of described water wall, described second water header is positioned at the top of described water wall, the sidewall of described heat exchange boiler body of heater is also provided with water-in and water outlet, described first water header is communicated with described water-in, described second water header is communicated with described water outlet, described internal layer water wall is spaced by many first water pipes and forms, the two ends of many described first water pipes are communicated with described second water header with described first water header respectively, described outer water wall is arranged by many second water pipes and forms, the two ends of many described second water pipes are communicated with described second water header with described first water header respectively.
6. gazogene according to claim 2, it is characterized in that, the sidewall of described heat exchange boiler body of heater is also provided with cooled coal gas entrance, and described cooled coal gas entrance is communicated with described cooling room inside, and the connectivity part of described cooled coal gas entrance and described cooling room is positioned at the top of described cooling room.
7. according to the arbitrary described gazogene of claim 1-6, it is characterized in that, the bottom of each described air flow bed reaction chamber is all communicated with described cooling room inside by taper reducing, and the top of described cooling room is located in the bottom of described taper reducing.
8., according to the arbitrary described gazogene of claim 1-6, it is characterized in that, the inwall of described air flow bed reaction chamber is fireproof heat-insulating wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410815237.5A CN104593084B (en) | 2014-12-23 | 2014-12-23 | Gazogene |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410815237.5A CN104593084B (en) | 2014-12-23 | 2014-12-23 | Gazogene |
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| Publication Number | Publication Date |
|---|---|
| CN104593084A true CN104593084A (en) | 2015-05-06 |
| CN104593084B CN104593084B (en) | 2018-06-19 |
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|---|---|---|---|
| CN201410815237.5A Active CN104593084B (en) | 2014-12-23 | 2014-12-23 | Gazogene |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106118750A (en) * | 2016-08-08 | 2016-11-16 | 安徽科达洁能股份有限公司 | Step combination cot gasification system |
| CN115282901A (en) * | 2022-10-08 | 2022-11-04 | 南通市中京机械有限公司 | Oil shale reacting furnace |
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| CN202284195U (en) * | 2011-09-28 | 2012-06-27 | 神华集团有限责任公司 | All-waste boiler process entrained flow gasification furnace set |
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| CN103666583A (en) * | 2013-11-11 | 2014-03-26 | 煤炭科学研究总院 | Waste heat boiler device of entrained bed gasifier |
| CN103937555A (en) * | 2014-04-30 | 2014-07-23 | 华东理工大学 | Single-nozzle water-coal-slurry entrained-flow bed gasifier and gasification method of same |
| CN204417435U (en) * | 2014-12-23 | 2015-06-24 | 安徽科达洁能股份有限公司 | Gazogene |
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2014
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4482358A (en) * | 1983-03-17 | 1984-11-13 | General Electric Company | Granular bed filtering device |
| CN201857372U (en) * | 2010-11-01 | 2011-06-08 | 广州迪森热能技术股份有限公司 | Biomass gasification parallel reaction system |
| CN202284195U (en) * | 2011-09-28 | 2012-06-27 | 神华集团有限责任公司 | All-waste boiler process entrained flow gasification furnace set |
| CN202849350U (en) * | 2012-08-30 | 2013-04-03 | 上海锅炉厂有限公司 | Entrained-flow bed gasifier chilling device with function of preventing slag blockage |
| CN103013578A (en) * | 2012-12-11 | 2013-04-03 | 中国东方电气集团有限公司 | Integrated bunch type radiant boiler and preheating boiler mixed energy utilization device |
| CN103666583A (en) * | 2013-11-11 | 2014-03-26 | 煤炭科学研究总院 | Waste heat boiler device of entrained bed gasifier |
| CN103937555A (en) * | 2014-04-30 | 2014-07-23 | 华东理工大学 | Single-nozzle water-coal-slurry entrained-flow bed gasifier and gasification method of same |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106118750A (en) * | 2016-08-08 | 2016-11-16 | 安徽科达洁能股份有限公司 | Step combination cot gasification system |
| CN115282901A (en) * | 2022-10-08 | 2022-11-04 | 南通市中京机械有限公司 | Oil shale reacting furnace |
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| Publication number | Publication date |
|---|---|
| CN104593084B (en) | 2018-06-19 |
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