CN205420281U - Prefabricated system of haydite addition material is used multipurposely to coal gas - Google Patents
Prefabricated system of haydite addition material is used multipurposely to coal gas Download PDFInfo
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- CN205420281U CN205420281U CN201520971607.4U CN201520971607U CN205420281U CN 205420281 U CN205420281 U CN 205420281U CN 201520971607 U CN201520971607 U CN 201520971607U CN 205420281 U CN205420281 U CN 205420281U
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- addition material
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Abstract
The utility model discloses a prefabricated system of haydite addition material is used multipurposely to coal gas, including coal gas generation system and the prefabricated system of addition material, coal gas generation system includes two -sectional type gas producer, tar collector, cyclone, urgent disjunctor and stokehold water sealed tank, the prefabricated system of addition material including fire the burning furnace draught fan, fire burning furnace, addition material drying -machine, addition material flour mill, addition material screening ware and add the feed bin. The utility model discloses a with cubic or paste -like addition material is dried, obtain the likepowder addition material of qualified drying behind the grinding, screening, can satisfy fly ash sintered ceramsite's production demand. And simultaneously, the utility model discloses a two -sectional type gas producer has improved caloric power of gas and gasification efficiency as heat source equipment to environmental pollution has been reduced.
Description
Technical field
This utility model relates to waste emissions technical field of comprehensive utilization, is specifically related to a kind of coal gas comprehensive utilization haydite additive prefabrication system.
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 as main raw material(s), use 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 is developed for administering the biofilter material in the fields such as municipal sewage, industrial wastewater, the agricultural soil transformation of the way.
Introduce according to Ltech Corp of Britain data, its haydite produced is 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 due to its lightweight, high-strength, wear-resisting, impervious, antidetonation, absorb sound, the characteristic such as insulation and be widely used in each field.
When producing sintering ceramsite of fly ash, need to add the additives such as gangue, mine tailings, clay as internal combustion agent and bonding agent, qualified additive should present dry powdered, and the additive raw material obtained in production practices is often for block or pasty state, it is thus desirable to additive is carried out prefabricated, to meet the Production requirement of sintering ceramsite of fly ash.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of coal gas comprehensive utilization haydite additive prefabrication system, it is possible to additive raw material is carried out pretreatment, to meet the Production requirement of sintering ceramsite of fly ash.
For reaching above-mentioned purpose, this utility model following technical scheme of offer:
A kind of coal gas comprehensive utilization haydite additive prefabrication system, including gas generating system and additive prefabrication 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 additive prefabrication system includes combustion furnace air-introduced machine, combustion furnace, additive dehydrator, additive flour mill, additive sifter and interpolation feed bin, the gas exit pipeline of described stokehold water sealed tank is connected with combustion furnace, the wind pipe of described combustion furnace air-introduced machine is connected with combustion furnace, the hot air outlet pipeline of described combustion furnace is connected with additive dehydrator, the drier outlet of described additive dehydrator is connected with additive flour mill, the powder outlet of described additive flour mill is connected with additive sifter, the powder outlet of described additive sifter is connected with adding feed bin.
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 additive dehydrator is roller drying machine.
Further, described additive sifter is spin vibration sieve.
Further, the powder outlet of described additive sifter is connected with adding feed bin by single-screw conveyer.
The beneficial effects of the utility model are:
1, this utility model is provided with additive dehydrator block or pasty state additive (such as gangue, mine tailings, clay) is carried out drying and processing, then additive flour mill is set the additive dried is carried out grinding, additive after grinding sieves through additive sifter, obtain qualified dry powdery additive, the Production requirement of sintering ceramsite of fly ash can be met.
2, this utility model uses 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 preferable, 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, the purest, without tar, is not required to cooling and purifying.Therefore, this utility model improves calorific value of gas and gasification efficiency, and decreases environmental pollution.
Accompanying drawing explanation
In order to make the purpose of this utility model, technical scheme and beneficial effect clearer, 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 additive prefabrication system.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail.
Coal gas of the present utility model comprehensive utilization haydite additive prefabrication system, including gas generating system and additive prefabrication system.
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 that residual gas flashback tank 19 and water seal feedwater piping, industry water pipe network 10 are 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 is dried and long low temperature distillation through sufficiently 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, during low temperature distillation, is referred to as 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 preferable, 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, water vapour) generate through series of chemical such as reduction, oxidations, it is referred to as 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 has become semicoke at retort section body of heater 112 low temperature distillation ample time, the coal entering gasification section body of heater 113, the gasification gas therefore generated does not contains 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 water vapour, a water vapour 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 two section type hot detar technique, and the coal gas obtained is semiwater gas, is also heating gas, the purest, without tar, is not required to cooling and purifying.Gas composition is CO, H2、CH4, combustible component and the CO such as CnHm2、N2Etc. non-combustible composition, and the combustion adjuvant oxygen that reacts the most completely in gasification and the water vapour decomposed the most completely.Gas generator uses stone coal, is not required to crush；Coal gas, for continuously generating and using, is not required to gas holder and stores.
Fig. 2 is the structural representation of additive prefabrication system, as shown in the figure, additive prefabrication system includes combustion furnace air-introduced machine 21, combustion furnace 22, additive dehydrator 23, additive flour mill 24, additive sifter 25 and interpolation feed bin 26, the gas exit pipeline of described stokehold water sealed tank 15 is connected with combustion furnace 22, 21 wind pipes of described combustion furnace air-introduced machine are connected with combustion furnace 22, the hot air outlet pipeline of described combustion furnace 22 is connected with additive dehydrator 23, the drier outlet of described additive dehydrator 23 is connected with additive flour mill 24, the powder outlet of described additive flour mill 24 is connected with additive sifter 25, the powder outlet of described additive sifter 25 is connected with adding feed bin 26.
Described additive dehydrator 23 is roller drying machine, and described additive sifter 25 is spin vibration sieve.
The powder outlet of described additive sifter 25 is connected with adding feed bin 26 by single-screw conveyer.
The air mixed combustion that coal gas introduces with combustion furnace air-introduced machine 21 in combustion furnace 22 produces hot-air, hot-air from combustion furnace 22 and the block or additive (such as gangue, mine tailings, clay) of pasty state also flow to additive dehydrator 23 and carry out heat exchange, additive after hot-air dry flow to additive flour mill 24 from additive dehydrator 23 outlet and carries out grinding, and the additive after grinding screens out qualified dry powdery additive through additive sifter 25 and flows into interpolation feed bin 26.
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 (6)
1. a coal gas comprehensive utilization haydite additive prefabrication system, it is characterised in that: include gas generating system and additive prefabrication 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 additive prefabrication system includes combustion furnace air-introduced machine, combustion furnace, additive dehydrator, additive flour mill, additive sifter and interpolation feed bin, the gas exit pipeline of described stokehold water sealed tank is connected with combustion furnace, the wind pipe of described combustion furnace air-introduced machine is connected with combustion furnace, the hot air outlet pipeline of described combustion furnace is connected with additive dehydrator, the drier outlet of described additive dehydrator is connected with additive flour mill, the powder outlet of described additive flour mill is connected with additive sifter, the powder outlet of described additive sifter is connected with adding feed bin.
Coal gas the most according to claim 1 comprehensive utilization haydite additive prefabrication system, 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.
Coal gas the most according to claim 1 comprehensive utilization haydite additive prefabrication system, 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.
Coal gas the most according to claim 1 comprehensive utilization haydite additive prefabrication system, it is characterised in that: described additive dehydrator is roller drying machine.
Coal gas the most according to claim 1 comprehensive utilization haydite additive prefabrication system, it is characterised in that: described additive sifter is spin vibration sieve.
Coal gas the most according to claim 1 comprehensive utilization haydite additive prefabrication system, it is characterised in that: the powder outlet of described additive sifter is connected with adding feed bin by single-screw conveyer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520971607.4U CN205420281U (en) | 2015-11-27 | 2015-11-27 | Prefabricated system of haydite addition material is used multipurposely to coal gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520971607.4U CN205420281U (en) | 2015-11-27 | 2015-11-27 | Prefabricated system of haydite addition material is used multipurposely to coal gas |
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| Publication Number | Publication Date |
|---|---|
| CN205420281U true CN205420281U (en) | 2016-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520971607.4U Expired - Fee Related CN205420281U (en) | 2015-11-27 | 2015-11-27 | Prefabricated system of haydite addition material is used multipurposely to coal gas |
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| Country | Link |
|---|---|
| CN (1) | CN205420281U (en) |
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2015
- 2015-11-27 CN CN201520971607.4U patent/CN205420281U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20161127 |
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| CF01 | Termination of patent right due to non-payment of annual fee |