CN106518131A - Ceramsite production system realizing comprehensive utilization of coal gas - Google Patents

Ceramsite production system realizing comprehensive utilization of coal gas Download PDF

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Publication number
CN106518131A
CN106518131A CN201510845157.9A CN201510845157A CN106518131A CN 106518131 A CN106518131 A CN 106518131A CN 201510845157 A CN201510845157 A CN 201510845157A CN 106518131 A CN106518131 A CN 106518131A
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CN
China
Prior art keywords
haydite
machine
coal gas
production system
ceramsite
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Pending
Application number
CN201510845157.9A
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Chinese (zh)
Inventor
周维莲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing City Yongchuan District Jieyu Camellia Oleifera Abel Planting Stock Cooperative
Original Assignee
Chongqing City Yongchuan District Jieyu Camellia Oleifera Abel Planting Stock Cooperative
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Application filed by Chongqing City Yongchuan District Jieyu Camellia Oleifera Abel Planting Stock Cooperative filed Critical Chongqing City Yongchuan District Jieyu Camellia Oleifera Abel Planting Stock Cooperative
Priority to CN201510845157.9A priority Critical patent/CN106518131A/en
Publication of CN106518131A publication Critical patent/CN106518131A/en
Pending legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/009—Porous or hollow ceramic granular materials, e.g. microballoons
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • C04B33/13—Compounding ingredients
    • C04B33/132—Waste materials; Refuse; Residues
    • C04B33/135—Combustion residues, e.g. fly ash, incineration waste
    • C04B33/1352—Fuel ashes, e.g. fly ash
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Environmental & Geological Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The invention discloses a ceramsite production system realizing comprehensive utilization of coal gas. The ceramsite production system realizing comprehensive utilization of coal gas comprises a coal gas generation system and a ceramsite production system, wherein the coal gas generation system comprises a two-section coal gas producer, a tar collector, a cyclone dust collector, an emergent cutter and a before-furnace water-sealed tank; and the ceramsite production system comprises a fly ash cabin, a weighing and batching system, a feed mixer, a stirring and nucleation machine, a balling disc, a ceramsite sintering machine, an ignition furnace draught fan, an ignition furnace, a ceramsite cooling machine, a cold air draught fan, a ceramsite crusher, a ceramsite screening device and a finished product cabin. According to the invention, fly ash is used as a raw material and batched with addition materials, and batch mixing, nucleation, balling, sintering, cooling, crushing, screening and other procedures are carried out so as to prepare a fly ash-sintered ceramsite product, so the resource of fly ash is made full use of and the waste is turned into the valuable; meanwhile, the two-section coal gas producer is used as a heat source device, so the heat value and gasification efficiency of coal gas are improved, and environmental pollution is reduced.

Description

Coal gas comprehensively utilizes haydite production system
Technical field
The present invention relates to waste emissions technical field of comprehensive utilization, and in particular to a kind of coal gas comprehensive utilization pottery Grain production system.
Background technology
From artificial lightweight haydite in 1913 after U.S.'s appearance, countries in the world are actively opened according to actual conditions Send out with flyash as main raw material(s), produced using sintering process (boiler-turbine CCS, rotary kiln, sintering machine) Substitute rubble, the artificial lightweight haydite of the non-renewable resources such as cobble, be widely used in high building structure, The building traffic industry such as concrete component, highway, inside and outside wall board, and be developed for administering city dirt The biofilter material in the fields such as water, 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 per cube of structural concrete about 20～25 pounds, higher than 2～3 times of local rubble price, but due to structural light-weight concrete compared with normal concrete from Mitigate 25% again, drying shrinkage reduces 35%, and thermal expansion factor reduces 42%, and thermal conductivity factor reduces 62%, and heatproof reaches To thousand degree or so, then it is 5～10% to save overall investment, therefore abroad using relatively common.
Haydite applies later at home, and the every annual of yield is in 4,000,000 m at the end of last century3.Major part is viscous Soil, haydites of book structure, minority is lytag, and obtains certain achievement, such as Tianjin lake water road 16 Shear wall structure House with Big Room Openning building, No. 22 shear wall structure office buildings in Shanghai City Langao road etc..
In sum, sintering ceramsite of fly ash due to its lightweight, high-strength, wear-resisting, impervious, antidetonation, sound absorption, Insulation etc. characteristic and be widely used in each field.
The content of the invention
In view of this, it is an object of the invention to provide a kind of coal gas comprehensive utilization haydite production system, energy profit It is that raw material prepares sintering ceramsite of fly ash with flyash, makes full use of fly ash, turn waste into wealth.
For reaching above-mentioned purpose, the present invention provides following technical scheme：
A kind of coal gas comprehensively utilizes haydite production system, including gas generating system and haydite production system；
The gas generating system includes two stage type gas generating furnace, tar well, cyclone dust collectors, tight Anxious cutter and stokehold water sealed tank, the two stage type gas generating furnace include top belljar valve, top retort section Body of heater, bottom gasification section body of heater and bottom ash-pan, the retort section body of heater is connected with tar well, described Gasification section body of heater is connected with cyclone dust collectors, and the outlet conduit of the tar well and cyclone dust collectors converges Stokehold water sealed tank is introduced by emergency cut-off device afterwards；
The haydite production system include 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, addition feed bin and fine coal ash silo respectively with weighing and dispensing system Connection, the 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, the coal gas of the stokehold water sealed tank Outlet conduit is connected with ignition furnace, and the wind pipe of the ignition furnace air-introduced machine is connected with ignition furnace, the point Stove is connected with ceramisite sintered machine, and the wind pipe of the cold air air-introduced machine is connected with haydite cooler.
Further, the gas generating system also includes drum and gas generator air-introduced machine, the gasification section Body of heater is provided with water holding jacket, and the drum be connected with grid is softened, the water holding jacket entrance of gasification section body of heater with go out Mouth is connected with drum respectively, and the steam outlet of drum is divided into two-way, introduces two stage type gas generating furnace all the way Wind pipe as sealing gland steam, another road and gas generator air-introduced machine introduces two stage type gas after converging Generation furnace bottom is used as gasifying agent.
Further, the gas generating system also includes residual gas flashback tank and water seal feedwater piping, industry Grid by water seal feedwater piping respectively with residual gas flashback tank, ash-pan, emergency cut-off device and stokehold water Sealed cans connect.
Further, the batch mixer is double helix stir mixing machine.
Further, the stirring nucleation machine is that twayblade stirs nucleation machine.
Further, the haydite cooler is rotary cooler.
Further, the haydite disintegrating machine is double-roll crusher.
Further, the haydite sifter is flat vibrating screen.
Further, between the addition feed bin and weighing and dispensing system, fine coal ash silo and weighing and dispensing system it Between, between weighing and dispensing system and batch mixer, batch mixer and stirring nucleation machine between and stirring nucleation machine with Connected by single-screw conveyer between pan-pelletizer.
Further, between the pan-pelletizer and ceramisite sintered machine, between ceramisite sintered machine and haydite cooler, Between haydite cooler and haydite disintegrating machine, between haydite disintegrating machine and haydite sifter, haydite sifter with Connected by belt conveyor between finished bin.
The beneficial effects of the present invention is：
1st, the present invention is raw material using flyash, and additive dispensing, through batch mixing, nucleation, balling-up, burning The operation such as knot, cooling, broken, screening is obtained sintering ceramsite of fly ash product, takes full advantage of flyash money Source, turns waste into wealth.
2nd, using two stage type gas generating furnace as heat resource equipment, two stage type gas generating furnace includes the present invention Portion's 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, Its mobility preferably, is collected by tar well and is centrally disposed；Bottom gasification section body of heater is generated Gasification gas do not contain tar；Gasification gas is semiwater gas with the mixed gas that dry distillation gas is formed, and Heating gas, it is more pure, without tar, it is not required to cooling and purifying.Therefore, the present invention improves calorific value of gas With gasification efficiency, and environmental pollution is reduced.
Description of the drawings
In order that the purpose of the present invention, technical scheme and beneficial effect are clearer, the present invention provides following attached Figure is illustrated：
Structural representations of the Fig. 1 for gas generating system；
Structural representations of the Fig. 2 for haydite production system.
Specific embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
The coal gas comprehensive utilization haydite production system of the present invention, including gas generating system and haydite production system.
Structural representations of the Fig. 1 for gas generating system, as illustrated, gas generating system includes two-part Gas generator 11, tar well 12, cyclone dust collectors 13, emergency cut-off device 14 and stokehold water sealed tank 15, the two stage type gas generating furnace 11 include top belljar valve 111, top retort section body of heater 112, under Portion gasification section body of heater 113 and bottom ash-pan 114, the retort section body of heater 112 are connected with tar well 12, The gasification section body of heater 113 is connected with cyclone dust collectors 13, the tar well 12 and cyclone dust collectors 13 outlet conduit introduces stokehold water sealed tank 15 by emergency cut-off device 14 after converging.
The gas generating system also includes drum 16 and gas generator air-introduced machine 17, the gasification section body of heater 113 are provided with water holding jacket, and the drum 16 is connected with grid 18 is softened, the water holding jacket of gasification section body of heater 113 Entrance and exit is connected with drum 16 respectively, and the steam outlet of drum 16 is divided into two-way, introduces two all the way Stage type gas generating furnace 11 is used as the wind pipe of sealing gland steam, another road and gas generator air-introduced machine 17 11 bottom of two stage type gas generating furnace is introduced after converging is used as gasifying agent.
The gas generating system also includes residual gas flashback tank 19 and water seal feedwater piping, industrial grid 10 by water seal feedwater piping respectively with residual gas flashback tank 19, ash-pan 114, emergency cut-off device 14 and stove Front water sealed tank 15 connects.
Coal enters two stage type gas generating furnace 11 from two groups of belljar valves 111 of furnace roof coal bunker Jing first, and coal is in destructive distillation Section body of heater 112 is dried and prolonged low temperature distillation through sufficiently, gradually forms semicoke, into gasification section Body of heater 113, red-hot semicoke are fully reacted in the gasifying agent that gasification section body of heater 113 and furnace bottom are blasted, Jing Guolu Interior reducing zone, oxide layer and form coal ash, by grate drive be automatically drained out from bottom ash-pan 114.
During low temperature distillation, the coal gas generated based on fugitive constituent precipitation is referred to as dry distillation gas, group to coal Into the top coal gas of two stage type gas generating furnace 11, the 40% of total coal gas amount is accounted for, its calorific value is higher (6700kJ/Nm3) temperature relatively low (120 DEG C or so), and contain substantial amounts of tar.It is this in retort section body of heater 112 The tar of formation is low temperature distillation product, and preferably, collected by tar well 12 is carried out its mobility Centrally dispose.In gasification section body of heater 113, red-hot semicoke and gasifying agent (air, water vapour) through reduction, The coal gas that the series of chemical such as oxidation are generated, referred to as gasification gas, constitute two stage type gas generating furnace 11 Bottom coal gas, account for the 60% of total coal gas amount, the relatively low (6400kJ/Nm of its calorific value3), temperature is higher (450 DEG C or so).Because coal is in 112 low temperature distillation ample time of retort section body of heater, into gasification section body of heater 113 Coal become semicoke, therefore the gasification gas for generating does not contain tar.Gasification gas Jing cyclone dust collectors 13 are removed Mixed gas Jing emergency cut-offs device 14 is formed with dry distillation gas after dirt and stokehold water sealed tank 15 goes burning for carrying Supplying heat source.
Gasification section body of heater 113 is provided with water leg, the softened water in drum 16 is introduced into water leg, is passed through This self-produced water vapour, a water vapour part are used as sealing gland steam, another part and gas generator air-introduced machine 17 The air mixing of introducing is as gasifying agent.
As a result of the hot detar technique of two section type, the coal gas for obtaining is semiwater gas to gas generating system, And heating gas, it is more pure, without tar, it is not required to cooling and purifying.Gas composition is CO, H2、CH4、 The combustible components such as CnHm and CO2、N2Etc. non-combustible composition, and do not react completely in gasification Combustion adjuvant oxygen and the water vapour not decomposed completely.Gas generator adopts stone coal, is not required to crush； Coal gas is not required to gas holder storage for continuously generating and using.
Structural representations of the Fig. 2 for haydite production system, as illustrated, haydite production system includes flyash Storehouse 20, weighing and dispensing system 21, batch mixer 22, stirring nucleation machine 23, pan-pelletizer 24, ceramisite sintered machine 25th, 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, addition feed bin and fine coal ash silo 20 are matched somebody with somebody with weighing respectively Material system 21 connects, the 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 according to Secondary connection, the gas exit pipeline of the stokehold water sealed tank 15 are connected with ignition furnace 202, and the ignition furnace draws The wind pipe of blower fan 201 is connected with ignition furnace 202, and the ignition furnace 202 is connected with ceramisite sintered machine 25, The wind pipe of the cold air air-introduced machine 203 is connected with haydite cooler 26.
The batch mixer 22 is double helix stir mixing machine, and the stirring nucleation machine 23 stirred into for twayblade Core machine, the haydite cooler 26 are rotary cooler, and the haydite disintegrating machine 27 is double-roll crusher, The haydite sifter 28 is flat vibrating screen.
Between the addition feed bin and weighing and dispensing system 21, fine coal ash silo 20 and weighing and dispensing system 21 it Between, between weighing and dispensing system 21 and batch mixer 22, batch mixer 22 and stirring nucleation machine 23 between and Connected by single-screw conveyer between stirring nucleation machine 23 and pan-pelletizer 24.The pan-pelletizer 24 and pottery Between grain sintering machine 25, between ceramisite sintered machine 25 and haydite cooler 26, haydite cooler 26 and pottery Between grain disintegrating machine 27, between haydite disintegrating machine 27 and haydite sifter 28, haydite sifter 28 with into Connected by belt conveyor between product storehouse 29.
Flyash and additive are sent into batch mixer 22 uniformly to stir after 21 accurate measurement of weighing and dispensing system Mix, mixed material sends into the additional a certain amount of water wet mixing nucleation of stirring nucleation machine 23, by containing nucleus Wet mixed feed sends into pan-pelletizer 24, and prepares the water yield according to technological requirement, carries out balling-up (according to ceramic particle technology Can, the size grading adjustment inclination angle of pan-pelletizer, angular speed, height of baffle plate, wiper positions, inlet amount and match somebody with somebody The water yield and state), then qualified raw material ball is sent into into ceramisite sintered machine 25, using coal gas at 202 midpoint of ignition furnace The raw material ball in ceramisite sintered machine 25 is sintered after fire, sinters the haydite for obtaining and send into haydite cooler 26 In, blasting air by cold air air-introduced machine 203 carries out cooling treatment, finally by haydite disintegrating machine 27 and haydite Sifter 28 obtains sintering ceramsite of fly ash product after the haydite of hardened, bonding is crushed, sieved.
Finally illustrate, preferred embodiment above only to illustrate technical scheme and unrestricted, Although being described in detail to the present invention by above preferred embodiment, those skilled in the art It should be appreciated that various changes can be made in the form and details to which, without departing from the present invention Claims limited range.

Claims (10)

1. a kind of coal gas comprehensively utilizes haydite production system, it is characterised in that：Including gas generating system and pottery Grain production system；
The gas generating system includes two stage type gas generating furnace, tar well, cyclone dust collectors, tight Anxious cutter and stokehold water sealed tank, the two stage type gas generating furnace include top belljar valve, top retort section Body of heater, bottom gasification section body of heater and bottom ash-pan, the retort section body of heater is connected with tar well, described Gasification section body of heater is connected with cyclone dust collectors, and the outlet conduit of the tar well and cyclone dust collectors converges Stokehold water sealed tank is introduced by emergency cut-off device afterwards；
The haydite production system include 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, addition feed bin and fine coal ash silo respectively with weighing and dispensing system Connection, the 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, the coal gas of the stokehold water sealed tank Outlet conduit is connected with ignition furnace, and the wind pipe of the ignition furnace air-introduced machine is connected with ignition furnace, the point Stove is connected with ceramisite sintered machine, and the wind pipe of the cold air air-introduced machine is connected with haydite cooler.
2. coal gas according to claim 1 comprehensively utilizes haydite production system, it is characterised in that：It is described Gas generating system also includes drum and gas generator air-introduced machine, and the gasification section body of heater is provided with water holding jacket, The drum is connected with grid is softened, and 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, introduces two stage type gas generating furnace all the way and is used as sealing gland steam, another The wind pipe of road and gas generator air-introduced machine introduces two stage type gas generating furnace bottom after converging and is used as gasification Agent.
3. coal gas according to claim 1 comprehensively utilizes haydite production system, it is characterised in that：It is described Gas generating system also includes residual gas flashback tank and water seal feedwater piping, and industrial grid is given by water seal Waterpipe is connected with residual gas flashback tank, ash-pan, emergency cut-off device and stokehold water sealed tank respectively.
4. coal gas according to claim 1 comprehensively utilizes haydite production system, it is characterised in that：It is described Batch mixer is double helix stir mixing machine.
5. coal gas according to claim 1 comprehensively utilizes haydite production system, it is characterised in that：It is described Stirring nucleation machine is that twayblade stirs nucleation machine.
6. coal gas according to claim 1 comprehensively utilizes haydite production system, it is characterised in that：It is described Haydite cooler is rotary cooler.
7. coal gas according to claim 1 comprehensively utilizes haydite production system, it is characterised in that：It is described Haydite disintegrating machine is double-roll crusher.
8. coal gas according to claim 1 comprehensively utilizes haydite production system, it is characterised in that：It is described Haydite sifter is flat vibrating screen.
9. coal gas according to claim 1 comprehensively utilizes haydite production system, it is characterised in that：It is described Addition feed bin and weighing and dispensing system between, between fine coal ash silo and weighing and dispensing system, weighing and dispensing system Pass through between batch mixer, between batch mixer and stirring nucleation machine and between stirring nucleation machine and pan-pelletizer Single-screw conveyer connects.
10. coal gas according to claim 1 comprehensively utilizes haydite production system, it is characterised in that：Institute State between pan-pelletizer and ceramisite sintered machine, between ceramisite sintered machine and haydite cooler, haydite cooler and pottery Lead between grain disintegrating machine, between haydite disintegrating machine and haydite sifter, between haydite sifter and finished bin Cross belt conveyor connection.
CN201510845157.9A 2015-11-27 2015-11-27 Ceramsite production system realizing comprehensive utilization of coal gas Pending CN106518131A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510845157.9A CN106518131A (en) 2015-11-27 2015-11-27 Ceramsite production system realizing comprehensive utilization of coal gas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510845157.9A CN106518131A (en) 2015-11-27 2015-11-27 Ceramsite production system realizing comprehensive utilization of coal gas

Publications (1)

Publication Number Publication Date
CN106518131A true CN106518131A (en) 2017-03-22

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CN201510845157.9A Pending CN106518131A (en) 2015-11-27 2015-11-27 Ceramsite production system realizing comprehensive utilization of coal gas

Country Status (1)

Country Link
CN (1) CN106518131A (en)

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