CN205328883U - Haydite production system is used multipurposely to clear coal gas of environmental protection - Google Patents
Haydite production system is used multipurposely to clear coal gas of environmental protection Download PDFInfo
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- CN205328883U CN205328883U CN201520970940.3U CN201520970940U CN205328883U CN 205328883 U CN205328883 U CN 205328883U CN 201520970940 U CN201520970940 U CN 201520970940U CN 205328883 U CN205328883 U CN 205328883U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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Abstract
The utility model discloses a haydite production system is used multipurposely to clear coal gas of environmental protection, including coal gas generation system, haydite production system and haydite sintering cooling tail gas processing system, coal gas generation system includes two -sectional type gas producer, tar collector, cyclone, urgent disjunctor and stokehold water sealed tank, the haydite production system includes powdered coal bin, weighting control system, blendor, stirring nucleation machine, granulating disk, haydite sintering machine, ignition furnace draught fan, ignition furnace, haydite cooler, cold air draught fan, haydite breaker, haydite screening ware and finished product storehouse, haydite sintering cooling tail gas processing system includes deposit room, scrubbing tower, sedimentation tank and clean water basin. The utility model discloses utilize fly ash to make fly ash sintered ceramsite product for the raw materials, make full use of pulverized fuel ash resources. Simultaneously, adopt two -sectional type gas producer as heat source equipment, carried out abundant processing to haydite sintering tail gas and haydite cooling tail gas.
Description
Technical field
This utility model relates to waste emissions technical field of comprehensive utilization, is specifically related to the coal gas comprehensive utilization haydite production system of a kind of environment-protecting clean。
Background technology
From artificial lightweight haydite in 1913 after the U.S. comes out, countries in the world are according to practical situation, active development is with flyash for main raw material(s), adopt the artificial lightweight haydite substituting the non-renewable resources such as rubble, cobble that sintering process (boiler-turbine CCS, rotary kiln, sintering machine) produces, it is widely used in the building traffic industries such as high building structure, concrete component, highway, inside and outside wall board, and develops the biofilter material for administering the fields such as municipal sewage, industrial wastewater, the agricultural soil transformation of the way。
Introduce according to Ltech Corp of Britain data, the haydite of its production is used for structural concrete every cube about 20～25 pounds, higher than local rubble price 2～3 times, but due to structural light-weight concrete relatively normal concrete weight reduction 25%, drying shrinkage reduces 35%, and thermal expansion factor reduces 42%, heat conductivity reduces 62%, heatproof reaches about thousand degree, then saving entirety investment is 5～10%, therefore applies relatively common abroad。
Haydite is applied later at home, and the every annual of yield is at 4,000,000 m at the end of last century3。Major part is clay, haydites of book structure, and minority is lytag, and obtains certain achievement, such as shear wall structure House with Big Room Openning building, lake water road, Tianjin 16, No. 22 shear wall structure office buildings in Langao road, Shanghai City etc.。
In sum, sintering ceramsite of fly ash is widely used in each field due to characteristics such as its lightweight, high-strength, wear-resisting, impervious, antidetonation, sound absorption, insulations。
Utility model content
In view of this, the purpose of this utility model is in that to provide the coal gas comprehensive utilization haydite production system of a kind of environment-protecting clean, flyash can be utilized to prepare sintering ceramsite of fly ash for raw material, make full use of fly ash, turn waste into wealth。
For reaching above-mentioned purpose, this utility model provides following technical scheme:
The coal gas comprehensive utilization haydite production system of a kind of environment-protecting clean, processes system including gas generating system, haydite production system and ceramisite sintered cooled exhaust gas；
Described gas generating system includes two stage type gas generating furnace, tar well, cyclone dust extractor, emergency cut-off device and stokehold water sealed tank, described two stage type gas generating furnace includes top belljar valve, top retort section body of heater, bottom gasification section body of heater and bottom ash-pan, described retort section body of heater is connected with tar well, described gasification section body of heater is connected with cyclone dust extractor, and the outlet conduit of described tar well and cyclone dust extractor introduces stokehold water sealed tank by emergency cut-off device after converging；
Described haydite production system includes fine coal ash silo, weighing and dispensing system, batch mixer, stirring nucleation machine, pan-pelletizer, ceramisite sintered machine, ignition furnace air-introduced machine, ignition furnace, haydite cooler, cold air air-introduced machine, haydite disintegrating machine, haydite sifter and finished bin, add feed bin and fine coal ash silo is connected with weighing and dispensing system respectively, described weighing and dispensing system, batch mixer, stirring nucleation machine, pan-pelletizer, ceramisite sintered machine, haydite cooler, haydite disintegrating machine, haydite sifter and finished bin are sequentially connected with, the gas exit pipeline of described stokehold water sealed tank is connected with ignition furnace, the wind pipe of described ignition furnace air-introduced machine is connected with ignition furnace, described ignition furnace is connected with ceramisite sintered machine, the wind pipe of described cold air air-introduced machine is connected with haydite cooler；
Described ceramisite sintered cooled exhaust gas processes system and includes expansion chamber, scrubbing tower, sedimentation tank and clear water reserviors, the sintering offgas outlet pipeline of described ceramisite sintered machine and the cooled exhaust gas outlet conduit of haydite cooler are connected with expansion chamber after converging, the offgas outlet pipeline of described expansion chamber is connected with scrubbing tower bottom, described scrubbing tower top is connected with toxic emission chimney, described clear water reserviors are connected with tap water pipe network, described clear water reserviors are connected with the spray system in scrubbing tower by circulating pump, described wash tower bottoms is connected with sedimentation tank, and described sedimentation tank is connected with clear water reserviors。
Further, described gas generating system also includes drum and gas generator air-introduced machine, described gasification section body of heater is provided with water holding jacket, described drum is connected with softening grid, the water holding jacket entrance and exit of gasification section body of heater is connected with drum respectively, the steam outlet of drum is divided into two-way, and a pass enters two stage type gas generating furnace and is used as sealing gland steam, and the wind pipe of another road and gas generator air-introduced machine introduces after converging and is used as gasifying agent bottom two stage type gas generating furnace。
Further, described gas generating system also includes residual gas flashback tank and water seal feedwater piping, and industry water pipe network is connected with residual gas flashback tank, ash-pan, emergency cut-off device and stokehold water sealed tank respectively by water seal feedwater piping。
Further, described batch mixer is Double helix stir mixing machine。
Further, described stirring nucleation machine is twayblade stirring nucleation machine。
Further, described haydite cooler is rotary cooler。
Further, described haydite disintegrating machine is double-roll crusher。
Further, described haydite sifter is flat vibrating screen。
Further, between described interpolation feed bin and weighing and dispensing system, it is connected each through single-screw conveyer between fine coal ash silo and weighing and dispensing system, between weighing and dispensing system and batch mixer, between batch mixer and stirring nucleation machine and between stirring nucleation machine and pan-pelletizer。
Further, between described pan-pelletizer with ceramisite sintered machine, between ceramisite sintered machine and haydite cooler, between haydite cooler and haydite disintegrating machine, between haydite disintegrating machine and haydite sifter, it is connected each through belt conveyor between haydite sifter and finished bin。
The beneficial effects of the utility model are in that:
1, this utility model utilizes flyash for raw material, and additive dispensing, prepares sintering ceramsite of fly ash product through operations such as batch mixing, nucleation, balling-up, sintering, cooling, broken, screenings, takes full advantage of fly ash, turn waste into wealth。
2, this utility model adopts two stage type gas generating furnace as heat resource equipment, and two stage type gas generating furnace includes top retort section body of heater and bottom gasification section body of heater；The tar that top retort section body of heater is formed is low temperature distillation product, and its mobility is better, is collected by tar well and centrally disposes；The gasification gas that bottom gasification section body of heater generates is without tar；The mixed gas that gasification gas is formed with dry distillation gas is semiwater gas, is also heating gas, comparatively pure, without tar, does not need cooling and purifying。Therefore, this utility model improves calorific value of gas and gasification efficiency, and decreases environmental pollution。
3, ceramisite sintered tail gas and haydite cooled exhaust gas are shared a set of exhaust treatment system by this utility model, ceramisite sintered cooled exhaust gas contains broken haydite dust, tail gas first passes through expansion chamber and removes larger particles dust, enter back into scrubbing tower water and carry out spray washing, further dedusting, the tail gas after process is through toxic emission smoke stack emission。Therefore, this utility model in sintering ceramsite of fly ash production process produce ceramisite sintered tail gas and haydite cooled exhaust gas carried out abundant process, it is ensured that environment-protecting clean produce。
Accompanying drawing explanation
In order to make the purpose of this utility model, technical scheme and beneficial effect clearly, this utility model provides drawings described below to illustrate:
Fig. 1 is the structural representation of gas generating system；
Fig. 2 is the structural representation of haydite production system；
Fig. 3 is the structural representation that ceramisite sintered cooled exhaust gas processes system。
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail。
The coal gas comprehensive utilization haydite production system of environment-protecting clean of the present utility model, processes system including gas generating system, haydite production system and ceramisite sintered cooled exhaust gas。
Fig. 1 is the structural representation of gas generating system, as shown in the figure, gas generating system includes two stage type gas generating furnace 11, tar well 12, cyclone dust extractor 13, emergency cut-off device 14 and stokehold water sealed tank 15, described two stage type gas generating furnace 11 includes top belljar valve 111, top retort section body of heater 112, bottom gasification section body of heater 113 and bottom ash-pan 114, described retort section body of heater 112 is connected with tar well 12, described gasification section body of heater 113 is connected with cyclone dust extractor 13, the outlet conduit of described tar well 12 and cyclone dust extractor 13 introduces stokehold water sealed tank 15 by emergency cut-off device 14 after converging。
Described gas generating system also includes drum 16 and gas generator air-introduced machine 17, described gasification section body of heater 113 is provided with water holding jacket, described drum 16 is connected with softening grid 18, the water holding jacket entrance and exit of gasification section body of heater 113 is connected with drum 16 respectively, the steam outlet of drum 16 is divided into two-way, one pass enters two stage type gas generating furnace 11 and is used as sealing gland steam, and the wind pipe of another road and gas generator air-introduced machine 17 introduces after converging and is used as gasifying agent bottom two stage type gas generating furnace 11。
Described gas generating system also includes residual gas flashback tank 19 and water seal feedwater piping, and industry water pipe network 10 is connected with residual gas flashback tank 19, ash-pan 114, emergency cut-off device 14 and stokehold water sealed tank 15 respectively by water seal feedwater piping。
First coal enters two stage type gas generating furnace 11 from furnace roof coal bunker through two groups of belljar valves 111, coal dries and long low temperature distillation through fully at retort section body of heater 112, gradually form semicoke, enter gasification section body of heater 113, the gasifying agent that red-hot semicoke blasts at gasification section body of heater 113 and furnace bottom fully reacts, form coal ash through furnace reduction layer, oxide layer, grate drive and be automatically drained out from bottom ash-pan 114。
Coal, in the process of low temperature distillation, is called dry distillation gas, the top coal gas of composition two stage type gas generating furnace 11 with the coal gas that fugitive constituent precipitation is main generation, accounts for the 40% of total coal gas amount, the higher (6700kJ/Nm of its calorific value3) temperature relatively low (about 120 DEG C), and containing substantial amounts of tar。This tar formed at retort section body of heater 112 is low temperature distillation product, and its mobility is better, is collected by tar well 12 and centrally disposes。At gasification section body of heater 113, the coal gas that red-hot semicoke and gasifying agent (air, steam) generate through series of chemical such as reduction, oxidations, it is called gasification gas, the bottom coal gas of composition two stage type gas generating furnace 11, account for the 60% of total coal gas amount, the relatively low (6400kJ/Nm of its calorific value3), temperature higher (about 450 DEG C)。Because coal is at retort section body of heater 112 low temperature distillation ample time, the coal entering gasification section body of heater 113 has become semicoke, and the gasification gas therefore generated is without tar。Gasification gas forms mixed gas after cyclone dust extractor 13 dedusting and goes burning for providing thermal source through emergency cut-off device 14 and stokehold water sealed tank 15 with dry distillation gas。
Gasification section body of heater 113 being provided with water leg, the softening water in drum 16 is introduced water leg, by this self-produced steam, a steam part is used as sealing gland steam, and the air that another part introduces with gas generator air-introduced machine 17 mixes as gasifying agent。
Gas generating system is owing to have employed the hot detar technique of two section type, and the coal gas obtained is semiwater gas, is also heating gas, comparatively pure, without tar, does not need cooling and purifying。Gas composition is CO, H2、CH4, combustible component and the CO such as CnHm2、N2Etc. non-combustible composition, and in gasification the combustion adjuvant oxygen of non-complete reaction and the steam that do not decompose completely。Gas generator adopts stone coal, does not need to crush；Coal gas, for continuously generating and using, does not need gas holder to store。
Fig. 2 is the structural representation of haydite production system, as shown in the figure, haydite production system includes fine coal ash silo 20, weighing and dispensing system 21, batch mixer 22, stirring nucleation machine 23, pan-pelletizer 24, ceramisite sintered machine 25, ignition furnace air-introduced machine 201, ignition furnace 202, haydite cooler 26, cold air air-introduced machine 203, haydite disintegrating machine 27, haydite sifter 28 and finished bin 29, add feed bin and fine coal ash silo 20 is connected with weighing and dispensing system 21 respectively, described weighing and dispensing system 21, batch mixer 22, stirring nucleation machine 23, pan-pelletizer 24, ceramisite sintered machine 25, haydite cooler 26, haydite disintegrating machine 27, haydite sifter 28 and finished bin 29 are sequentially connected with, the gas exit pipeline of described stokehold water sealed tank 15 is connected with ignition furnace 202, the wind pipe of described ignition furnace air-introduced machine 201 is connected with ignition furnace 202, described ignition furnace 202 is connected with ceramisite sintered machine 25, the wind pipe of described cold air air-introduced machine 203 is connected with haydite cooler 26。
Described batch mixer 22 is Double helix stir mixing machine, and described stirring nucleation machine 23 stirs nucleation machine for twayblade, and described haydite cooler 26 is rotary cooler, and described haydite disintegrating machine 27 is double-roll crusher, and described haydite sifter 28 is flat vibrating screen。
It is connected each through single-screw conveyer between described interpolation feed bin and weighing and dispensing system 21, between fine coal ash silo 20 and weighing and dispensing system 21, between weighing and dispensing system 21 and batch mixer 22, between batch mixer 22 and stirring nucleation machine 23 and between stirring nucleation machine 23 and pan-pelletizer 24。Between described pan-pelletizer 24 with ceramisite sintered machine 25, between ceramisite sintered machine 25 and haydite cooler 26, between haydite cooler 26 and haydite disintegrating machine 27, between haydite disintegrating machine 27 and haydite sifter 28, it is connected each through belt conveyor between haydite sifter 28 and finished bin 29。
By flyash with additive by sending into batch mixer 22 uniform stirring after weighing and dispensing system 21 accurate measurement, the stirring additional a certain amount of water wet mixing nucleation of nucleation machine 23 sent into by mixed material, wet mixed feed containing nucleus is sent into pan-pelletizer 24, and prepare the water yield according to technological requirement, carry out balling-up (according to ceramic particle technology performance, size grading adjusts the inclination angle of pan-pelletizer, angular velocity, height of baffle plate, wiper positions, inlet amount and water distribution quantity and state), again qualified raw material ball is sent into ceramisite sintered machine 25, coal gas is utilized after lighting a fire in ignition furnace 202, the raw material ball in ceramisite sintered machine 25 to be sintered, the haydite that sintering obtains is sent in haydite cooler 26, blasted air by cold air air-introduced machine 203 and carry out cooling process, last by haydite disintegrating machine 27 and haydite sifter 28 to hardening, bonding haydite crushes, sintering ceramsite of fly ash product is obtained after screening。
Fig. 3 is the structural representation that ceramisite sintered cooled exhaust gas processes system, as shown in the figure, ceramisite sintered cooled exhaust gas processes system and includes expansion chamber 31, scrubbing tower 32, sedimentation tank 33 and clear water reserviors 34, the sintering offgas outlet pipeline of described ceramisite sintered machine 25 and the cooled exhaust gas outlet conduit of haydite cooler 26 are connected with expansion chamber 31 after converging, the offgas outlet pipeline of described expansion chamber 31 is connected with scrubbing tower 32 bottom, described scrubbing tower 32 top is connected with toxic emission chimney, described clear water reserviors 34 are connected with tap water pipe network 35, described clear water reserviors 34 are connected with the spray system in scrubbing tower 32 by circulating pump 36, it is connected with sedimentation tank 33 bottom described scrubbing tower 32, described sedimentation tank 33 is connected with clear water reserviors 34。
Described expansion chamber 31 is gravity settling chamber。
Described sedimentation tank 33 is two-stage sedimentation tank, and upper level sedimentation tank is connected with next stage sedimentation tank by overfall。
Described scrubbing tower 32 is packed tower。
Ceramisite sintered tail gas and haydite cooled exhaust gas share a set of exhaust treatment system, ceramisite sintered cooled exhaust gas contains broken haydite dust, tail gas first passes through expansion chamber 31 and removes larger particles dust, enter back into scrubbing tower 32 water and carry out spray washing, further dedusting, the tail gas after process is through toxic emission smoke stack emission。Scrubbing tower 32 spray washing waste water is settled out sediment discharge at sedimentation tank 33, and upper strata clear water flows into clear water reserviors 34 circulated sprinkling and uses。
What finally illustrate is, preferred embodiment above is only in order to illustrate the technical solution of the utility model and unrestricted, although this utility model being described in detail by above preferred embodiment, but skilled artisan would appreciate that, in the form and details it can be made various change, without departing from this utility model claims limited range。
Claims (10)
1. the coal gas comprehensive utilization haydite production system of an environment-protecting clean, it is characterised in that: include gas generating system, haydite production system and ceramisite sintered cooled exhaust gas and process system；
Described gas generating system includes two stage type gas generating furnace, tar well, cyclone dust extractor, emergency cut-off device and stokehold water sealed tank, described two stage type gas generating furnace includes top belljar valve, top retort section body of heater, bottom gasification section body of heater and bottom ash-pan, described retort section body of heater is connected with tar well, described gasification section body of heater is connected with cyclone dust extractor, and the outlet conduit of described tar well and cyclone dust extractor introduces stokehold water sealed tank by emergency cut-off device after converging；
Described haydite production system includes fine coal ash silo, weighing and dispensing system, batch mixer, stirring nucleation machine, pan-pelletizer, ceramisite sintered machine, ignition furnace air-introduced machine, ignition furnace, haydite cooler, cold air air-introduced machine, haydite disintegrating machine, haydite sifter and finished bin, add feed bin and fine coal ash silo is connected with weighing and dispensing system respectively, described weighing and dispensing system, batch mixer, stirring nucleation machine, pan-pelletizer, ceramisite sintered machine, haydite cooler, haydite disintegrating machine, haydite sifter and finished bin are sequentially connected with, the gas exit pipeline of described stokehold water sealed tank is connected with ignition furnace, the wind pipe of described ignition furnace air-introduced machine is connected with ignition furnace, described ignition furnace is connected with ceramisite sintered machine, the wind pipe of described cold air air-introduced machine is connected with haydite cooler；
Described ceramisite sintered cooled exhaust gas processes system and includes expansion chamber, scrubbing tower, sedimentation tank and clear water reserviors, the sintering offgas outlet pipeline of described ceramisite sintered machine and the cooled exhaust gas outlet conduit of haydite cooler are connected with expansion chamber after converging, the offgas outlet pipeline of described expansion chamber is connected with scrubbing tower bottom, described scrubbing tower top is connected with toxic emission chimney, described clear water reserviors are connected with tap water pipe network, described clear water reserviors are connected with the spray system in scrubbing tower by circulating pump, described wash tower bottoms is connected with sedimentation tank, and described sedimentation tank is connected with clear water reserviors。
2. the coal gas comprehensive utilization haydite production system of environment-protecting clean according to claim 1, it is characterized in that: described gas generating system also includes drum and gas generator air-introduced machine, described gasification section body of heater is provided with water holding jacket, described drum is connected with softening grid, the water holding jacket entrance and exit of gasification section body of heater is connected with drum respectively, the steam outlet of drum is divided into two-way, one pass enters two stage type gas generating furnace and is used as sealing gland steam, and the wind pipe of another road and gas generator air-introduced machine introduces after converging and is used as gasifying agent bottom two stage type gas generating furnace。
3. the coal gas comprehensive utilization haydite production system of environment-protecting clean according to claim 1, it is characterized in that: described gas generating system also includes residual gas flashback tank and water seal feedwater piping, industry water pipe network is connected with residual gas flashback tank, ash-pan, emergency cut-off device and stokehold water sealed tank respectively by water seal feedwater piping。
4. the coal gas comprehensive utilization haydite production system of environment-protecting clean according to claim 1, it is characterised in that: described batch mixer is Double helix stir mixing machine。
5. the coal gas comprehensive utilization haydite production system of environment-protecting clean according to claim 1, it is characterised in that: described stirring nucleation machine is twayblade stirring nucleation machine。
6. the coal gas comprehensive utilization haydite production system of environment-protecting clean according to claim 1, it is characterised in that: described haydite cooler is rotary cooler。
7. the coal gas comprehensive utilization haydite production system of environment-protecting clean according to claim 1, it is characterised in that: described haydite disintegrating machine is double-roll crusher。
8. the coal gas comprehensive utilization haydite production system of environment-protecting clean according to claim 1, it is characterised in that: described haydite sifter is flat vibrating screen。
9. the coal gas comprehensive utilization haydite production system of environment-protecting clean according to claim 1, it is characterised in that: it is connected each through single-screw conveyer between described interpolation feed bin and weighing and dispensing system, between fine coal ash silo and weighing and dispensing system, between weighing and dispensing system and batch mixer, between batch mixer and stirring nucleation machine and between stirring nucleation machine and pan-pelletizer。
10. the coal gas comprehensive utilization haydite production system of environment-protecting clean according to claim 1, it is characterised in that: between described pan-pelletizer with ceramisite sintered machine, between ceramisite sintered machine and haydite cooler, between haydite cooler and haydite disintegrating machine, between haydite disintegrating machine and haydite sifter, it is connected each through belt conveyor between haydite sifter and finished bin。
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| CN201520970940.3U CN205328883U (en) | 2015-11-27 | 2015-11-27 | Haydite production system is used multipurposely to clear coal gas of environmental protection |
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| CN201520970940.3U CN205328883U (en) | 2015-11-27 | 2015-11-27 | Haydite production system is used multipurposely to clear coal gas of environmental protection |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106111300A (en) * | 2016-08-20 | 2016-11-16 | 泰州市启航石油分析仪器有限公司 | Adjustable pulverized coal grinding machine air pressure screening plant |
| CN106111308A (en) * | 2016-08-20 | 2016-11-16 | 泰州市启航石油分析仪器有限公司 | Environment-friendly type microfine coal grinder |
| CN106269196A (en) * | 2016-08-20 | 2017-01-04 | 泰州市启航石油分析仪器有限公司 | Convenient regulating type pulverized coal grinding machine air pressure automatic sieving unit |
-
2015
- 2015-11-27 CN CN201520970940.3U patent/CN205328883U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106111300A (en) * | 2016-08-20 | 2016-11-16 | 泰州市启航石油分析仪器有限公司 | Adjustable pulverized coal grinding machine air pressure screening plant |
| CN106111308A (en) * | 2016-08-20 | 2016-11-16 | 泰州市启航石油分析仪器有限公司 | Environment-friendly type microfine coal grinder |
| CN106269196A (en) * | 2016-08-20 | 2017-01-04 | 泰州市启航石油分析仪器有限公司 | Convenient regulating type pulverized coal grinding machine air pressure automatic sieving unit |
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Granted publication date: 20160622 Termination date: 20161127 |