CN205893159U - Utilize solid heat carrier's pyrolytic reaction ware - Google Patents
Utilize solid heat carrier's pyrolytic reaction ware Download PDFInfo
- Publication number
- CN205893159U CN205893159U CN201620890039.XU CN201620890039U CN205893159U CN 205893159 U CN205893159 U CN 205893159U CN 201620890039 U CN201620890039 U CN 201620890039U CN 205893159 U CN205893159 U CN 205893159U
- Authority
- CN
- China
- Prior art keywords
- pyrolysis reactor
- heat carrier
- pyrolytic reaction
- pyrolysis
- inlet pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Abstract
The utility model provides an utilize solid heat carrier's pyrolytic reaction ware, includes charge -in system, ejection of compact system, air intake system and pyrolytic reaction ware main part, wherein, pyrolytic reaction ware main part comprises pyrolytic reaction ware casing, sieve, division board, cyclone, charge -in system by the material advance tub, the heat carrier advances the pipe and constitutes, ejection of compact system comprises discharge control valve and discharging pipe, air intake system comprises not hard up device and air amount control valve, the utility model discloses a pyrolytic reaction ware be utilize solid heat carrier as the heat source for the pyrolysis material, material and heat carrier intensive mixing in the pyrolytic reaction ware, thickness of bed is controllable, has simple structure, the gaseous dustiness of pyrolysis advantage such as few.
Description
Technical field
This utility model is related to coal, biomass produce pyrolysis gas, tar and thermoelectricity field, utilizes solid particularly to one kind
The pyrolysis reactor of heat carrier.
Background technology
The technique of coal, biomass pyrolytic is a kind of important energy conversion method by the sensible heat using solid thermal carriers, tool
There is heat transfer rate fast, the thermal efficiency is high, the advantage being heated evenly.
With the development of Technology of Circulating Fluidized Bed Boiler, it is taken seriously using the technique that boiler cycling hot ash is pyrolyzed,
Coal is pyrolyzed by the heat ash of CFBB as heat carrier, separates out pyrolysis gas and tar, pyrolysis char and circulating ash
Return CFBB and carry out burning for generating and heat supply, realize the production of oil gas, thermoelectricity.Real process is pyrolyzed
The phenomenon that fine ash is taken out of by gas from reactor is serious, leads to tar dust content high, subsequent treatment is difficult, also can block heat when serious
The pipeline of solution gas output system is so that system cannot continuous and steady operation.So far, how will carry in pyrolysis coal gas
Small grain size solid thermal carriers are separated and are not well solved, such as using cyclone separator, surface filter, electrostatic precipitation
Device, does not all fundamentally solve the problems, such as to carry ash in oil.Additionally, after the coal-tar middle oil condensation of coal gas, easily cohering in heat exchanger tube
On wall, heat transfer effect will be reduced in a short time and block, it will directly affect system operation.
There are the following problems for traditional handicraft:
1) dustiness big (depending on pyrolytic process) in pyrolysis gas, stick with tar after cooling together with, easily blocking pipe
Road simultaneously increases tar processing.
2) in fluidized bed pyrolysis reactor, fluidizing gas is mixed in pyrolysis gas, reduces pyrolysis gas calorific value, increased gas
Subsequent treatment amount.
The patent documentation of Publication No. cn101818071a discloses a kind of pyrolysis of coal reactor, is provided with its pyrolysis apparatus
For importing the pipeline structure of high-temperature particle medium, coal imports pyrolysis reactor by mother tube, after structure preheating by the road,
The outlet of pipeline structure is mixed with high-temperature medium, and which makes the volatile matters in coal easily be attached in warm precipitation
Pipeline blockage is caused on equipment, and pipeline system complex in pyrolysis reactor, bring difficulty to running with service work.
The patent documentation of Publication No. cn103031135a discloses a kind of fluidized bed classification pyrolysis of coal reactor and coal heat
Solution method, it carries out pyrolysis of coal using circulating ash, and pyrolysis chamber includes low temperature pyrogenation room and high temperature pyrolysis room, realizes low temperature pyrogenation coal
The secondary pyrolysis of tar light oil in gas, increased gas yield, and which pyrolysis reactor adopts fluid bed, gas in reactor
The pyrolysis reactor flow velocity such as velocity ratio moving bed is big, and in fluidized-bed reactor, gas dust content is high.
Content of the invention
The purpose of this utility model is to provide a kind of dustiness that can reduce in pyrolysis product, and raising equipment is continuously transported
The pyrolysis reactor of utilization solid thermal carriers of row ability and continuous pyrolysis method.
For reaching above-mentioned purpose, pyrolysis reactor of the present utility model includes the anti-material dress being connected with CFBB
Put, through the anti-burner hearth expecting that device returns CFBB, another part cycling hot ash is through anti-material dress for a part of cycling hot ash
Put and be connected with the heat carrier inlet pipe of the pyrolysis reactor being obliquely installed, the pyrolysis reactor of heat carrier inlet pipe upper end is provided with
Material inlet pipe, is located in pyrolysis reactor and is provided with sieve plate between material inlet pipe and heat carrier inlet pipe, position in pyrolysis reactor
It is disposed with division board and cyclone separator in heat carrier inlet pipe lower end, the bottom of pyrolysis reactor is additionally provided with and recycle stream
The discharge nozzle that the burner hearth of fluidized bed boiler is connected.
The loosening device that several are connected with source of the gas by gas coutrol valve is further opened with described pyrolysis reactor.
The thickness of feed layer of the material in described pyrolysis reactor and heat carrier mixing is higher than division board lower edge.
It is also equipped with described discharge nozzle controlling the discharging control valve of thickness of feed layer.
The lower end being located at cyclone separator in described pyrolysis reactor is also equipped with the low temperature vapour with boiler steam and water circuit
Aqueous phase heat exchanger even.
The inclination angle of described pyrolysis reactor is 30~60 °.
Described sieve plate is made using heat resisting steel or castable.
Work process of the present utility model is as follows:
1) material feeds pyrolysis reactor by material inlet pipe, and partial material falls into sieve plate, and remaining drops to pyrolysis reactor
Bottom;
2) solid thermal carriers be 600~1000 DEG C cycling hot ash pyrolysis reactor is fed by heat carrier inlet pipe, fell
Cheng Zhongyu passes through the material contact heat transfer of sieve plate, falls into pyrolysis reactor bottom, mixed material issues in 500~900 DEG C of conditions
Raw pyrolytic reaction, mixed material is filled with pyrolysis reactor bottom, and thickness of feed layer is higher than division board lower edge, thus having intercepted material
The airborne dust taking up in dropping process;
3) pyrolysis reactor is obliquely installed mixed material in the presence of self gravitation and bottom loosening device, to discharging opening
Move, the material after pyrolysis and heat carrier discharge pyrolysis reactor by discharge nozzle, and in pyrolysis reactor, inventory is by discharging control
Valve regulation;
4) temperature that pyrolysis produces is higher than 500 DEG C of pyrolysis gas entrance cyclone separator, and the fine powder separating returns
In bottoms material, detached gas discharges pyrolysis reactor.
Described heat exchanger entrance end is connected with the low temperature soda pop of boiler steam and water circuit, and heat exchanger absorption cycle is grey and is pyrolyzed
The heat of gas, the high temperature soda pop of generation accesses the boiler circuit of CFBB.
The beneficial effects of the utility model:
1) this utility model realizes the mixing of material and heat carrier using sieve plate.
2) this utility model utilizes division board to intercept material fall area and gas elevated areas, decreases pyrolysis gas and takes
The airborne dust content of band.
3) this utility model realizes continuous feeding and discharging using pyrolysis reactor itself inclination angle, prevents the accumulation of material and stagnant
Stay.
4) this utility model carries out gas purification using the cyclone separator within pyrolysis reactor, it is to avoid tar low
Temperature separates out, thus ensureing the stable operation of equipment.
Brief description
Fig. 1 is the schematic diagram of this utility model coupling cycle fluidized-bed combustion boiler.
Fig. 2 is the schematic diagram inside this utility model with heat exchanger.
Wherein: 1- heat carrier inlet pipe, 2- material inlet pipe, 3- sieve plate, 4- division board, 5- cyclone separator, 6- pyrolytic reaction
Device, 7- discharging control valve, 8- discharge nozzle, 9- loosening device, 10- gas coutrol valve, 11- CFBB, 12- returning charge fills
Put, 13- coal bunker, 14- heat exchanger.
Specific embodiment
Embodiment 1: referring to Fig. 1, this utility model includes the anti-material device 12 being connected with CFBB 11, one
Divide cycling hot ash through the anti-burner hearth expecting device 12 return CFBB 11, another part cycling hot ash expects device 12 through anti-
The heat carrier inlet pipe 1 of the pyrolysis reactor 6 being 30~60 ° with inclination angle is connected, in the pyrolysis reactor of heat carrier inlet pipe 1 upper end
Be provided with the material inlet pipe 2 being connected with coal bunker 13 on 6, be located in pyrolysis reactor 6 material inlet pipe 2 and heat carrier inlet pipe 1 it
Between be provided with the sieve plate 3 that heat resisting steel or castable are made, sets successively positioned at heat carrier inlet pipe 1 lower end in pyrolysis reactor 6
It is equipped with division board 4 and cyclone separator 5, the thickness of feed layer of the material in pyrolysis reactor 6 and heat carrier mixing is higher than division board 4
Lower edge, intercepts the airborne dust taking up in material and heat carrier whereabouts and enters pyrolysis gas elevated areas, thus reducing heat on source
The dustiness of solution product;The bottom of pyrolysis reactor 6 be additionally provided be connected with the burner hearth of CFBB 11 with control
The discharge nozzle 8 of the discharging control valve 7 of thickness of feed layer processed, is further opened with several on pyrolysis reactor 6 and passes through gas coutrol valve
The loosening device 9 that 10 are connected with source of the gas.
Continuous pyrolysis method of the present utility model comprises the following steps:
1) material feeds pyrolysis reactor 6 by material inlet pipe 2, and partial material is fallen into sieve plate 3 and dropped from sieve aperture, remaining whereabouts
To pyrolysis reactor 6 bottom;
2) solid thermal carriers be 600~1000 DEG C cycling hot ash pyrolysis reactor 6 is fed by heat carrier inlet pipe 1, fall
During with by the material contact heat transfer of sieve plate 3, fall into pyrolysis reactor 6 bottom, mixed material is in 500~900 DEG C of conditions
Issue raw pyrolytic reaction, mixed material is filled with pyrolysis reactor 6 bottom, thickness of feed layer is higher than division board 4 lower edge, thus intercepting
The airborne dust taking up in material dropping process;
3) pyrolysis reactor 6 is obliquely installed mixed material in the presence of self gravitation and bottom loosening device 9, to discharging
Mouth is mobile, and the material after pyrolysis and heat carrier discharge pyrolysis reactor 6 by discharge nozzle 8, and in pyrolysis reactor, inventory is by discharging
Control valve 7 is adjusted;
4) temperature that pyrolysis produces is higher than that 500 DEG C of pyrolysis gas enter cyclone separator 5, it is to avoid pyrolysis gas are coal-tar middle oil
Condensation blocking pipeline, the fine powder separating returns in bottoms material, and detached gas discharges pyrolysis reactor.
Discharging control valve of the present utility model adopts mechanical valve or pneumatic operated valve, for adjusting mixed material in pyrolysis reactor
Thickness of feed layer.Meanwhile, material prevents solid accumulation by the loosening device of pyrolysis reactor bottom.
Embodiment 2, referring to Fig. 2, the lower end that the present embodiment is located at cyclone separator 5 in pyrolysis reactor 6 is also equipped with
Heat exchanger 14, heat exchanger 14 arrival end is connected with the low temperature soda pop of boiler steam and water circuit, and heat exchanger 14 absorption cycle is grey and is pyrolyzed
The heat of gas, the high temperature soda pop of generation accesses the boiler circuit of CFBB 11, and other are with embodiment 1.
Claims (7)
1. a kind of pyrolysis reactor of utilization solid thermal carriers it is characterised in that: include being connected with CFBB (11)
Anti- material device (12), a part of cycling hot ash is through the anti-burner hearth expecting that device (12) returns CFBB (11), another
Through anti-, part cycling hot ash expects that device (12) is connected with the heat carrier inlet pipe (1) of the pyrolysis reactor (6) being obliquely installed, carry in heat
It is provided with material inlet pipe (2) on the pyrolysis reactor (6) of body inlet pipe (1) upper end, be located at material inlet pipe in pyrolysis reactor (6)
(2) it is provided with sieve plate (3) and heat carrier inlet pipe (1) between, in pyrolysis reactor (6), be located at heat carrier inlet pipe (1) lower end successively
It is provided with division board (4) and cyclone separator (5), the bottom of pyrolysis reactor (6) is additionally provided with and CFBB
(11) discharge nozzle (8) that burner hearth is connected.
2. utilization solid thermal carriers according to claim 1 pyrolysis reactor it is characterised in that: described pyrolytic reaction
The loosening device (9) that several are connected with source of the gas by gas coutrol valve (10) is further opened with device (6).
3. utilization solid thermal carriers according to claim 1 pyrolysis reactor it is characterised in that: described pyrolytic reaction
The thickness of feed layer of the material in device (6) and heat carrier mixing is higher than division board (4) lower edge.
4. utilization solid thermal carriers according to claim 1 pyrolysis reactor it is characterised in that: described discharge nozzle
(8) it is also equipped with controlling the discharging control valve (7) of thickness of feed layer.
5. utilization solid thermal carriers according to claim 1 pyrolysis reactor it is characterised in that: described pyrolytic reaction
In device (6), the lower end positioned at cyclone separator (5) is also equipped with the heat exchanger being connected with the low temperature soda pop of boiler steam and water circuit
(14).
6. utilization solid thermal carriers according to claim 1 pyrolysis reactor it is characterised in that: described pyrolytic reaction
The inclination angle of device (6) is 30~60 °.
7. utilization solid thermal carriers according to claim 1 pyrolysis reactor it is characterised in that: described sieve plate (3)
Made using heat resisting steel or castable.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620890039.XU CN205893159U (en) | 2016-08-16 | 2016-08-16 | Utilize solid heat carrier's pyrolytic reaction ware |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620890039.XU CN205893159U (en) | 2016-08-16 | 2016-08-16 | Utilize solid heat carrier's pyrolytic reaction ware |
Publications (1)
Publication Number | Publication Date |
---|---|
CN205893159U true CN205893159U (en) | 2017-01-18 |
Family
ID=57778857
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201620890039.XU Active CN205893159U (en) | 2016-08-16 | 2016-08-16 | Utilize solid heat carrier's pyrolytic reaction ware |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN205893159U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106281372A (en) * | 2016-08-16 | 2017-01-04 | 华能国际电力股份有限公司 | A kind of pyrolysis reactor utilizing solid thermal carriers and continuous pyrolysis method |
-
2016
- 2016-08-16 CN CN201620890039.XU patent/CN205893159U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106281372A (en) * | 2016-08-16 | 2017-01-04 | 华能国际电力股份有限公司 | A kind of pyrolysis reactor utilizing solid thermal carriers and continuous pyrolysis method |
CN106281372B (en) * | 2016-08-16 | 2022-01-14 | 华能国际电力股份有限公司 | Pyrolysis reactor utilizing solid heat carrier and continuous pyrolysis method |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108753368B (en) | Circulating fluidized bed coal gasification system and method | |
CN100577775C (en) | Coal gasification device for circulating fluidized bed and manufacturing method thereof | |
CN102816581A (en) | Vertical tube moving bed continuous pyrolysis apparatus for biomass | |
CN106221814B (en) | A kind of colm water cooling fireplace segmented couples gasification installation and gasification process | |
CN106281372A (en) | A kind of pyrolysis reactor utilizing solid thermal carriers and continuous pyrolysis method | |
CN102786989B (en) | Biomass and coal fluidized bed co-gasification equipment | |
CN104498103A (en) | Compound circulating fluidized bed gasification reaction device | |
CN105238425A (en) | Gas-solid mixed heat carrier quick pulverized coal pyrolysis process and device | |
CN105623689A (en) | Coal pyrolysis system | |
CN107974301A (en) | A kind of knockdown pyrolysis gasifying device | |
CN201343520Y (en) | Flash dry distillation technology device of oil shale | |
CN104560207B (en) | Gasification device of coal derived industrial gas | |
CN205893159U (en) | Utilize solid heat carrier's pyrolytic reaction ware | |
CN201046952Y (en) | Circulating fluidized bed gasification apparatus | |
CN104449773B (en) | Method and device for upgrading low-rank pulverized coal | |
CN204455026U (en) | Combined type circulating fluidized-bed gasification reaction unit | |
CN208649244U (en) | A kind of circulation fluidized bed coal gasifying system | |
CN108483445B (en) | Activated carbon activation system of circulating bed | |
WO2010006465A1 (en) | Production device for carbon disulfide by circulating fluid bed | |
CN103666501A (en) | Pyrolysis system and pyrolysis method for solid carbonic material | |
CN106675655B (en) | A kind of biomass chemical chain gasification device for producing hydrogen and method based on calcium base carbon carrier | |
CN104962302B (en) | Pyrolytic process and device based on burning in circulating fluid bed boiler room high temperature compound | |
CN205152149U (en) | Circulating fluidized bed boiler two -stage coal pyrolysis device | |
CN114940917A (en) | Oil gas outlet anti-coking device and method for self-circulation regeneration of adsorption medium | |
CN208949207U (en) | A kind of fluidized-bed gasification furnace of fractional combustion |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant |