CN208742511U - A kind of temperature control rapids bed reactor - Google Patents
A kind of temperature control rapids bed reactor Download PDFInfo
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- CN208742511U CN208742511U CN201821384393.0U CN201821384393U CN208742511U CN 208742511 U CN208742511 U CN 208742511U CN 201821384393 U CN201821384393 U CN 201821384393U CN 208742511 U CN208742511 U CN 208742511U
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- shell
- heat collector
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- temperature control
- cyclonic separation
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Abstract
The utility model relates to a kind of temperature control rapids bed reactors.It utilizes effective temperature control means, promotes to fluidize rapid bed inside reactor storage and reactive moieties lime-ash, is back to fast bed reactor and carries out temperature control redox reaction, to achieve the purpose that lime-ash decarburization.The technical solution of the utility model includes shell, shell is set on skirt, and material inlet and exhanst gas outlet are provided at the top of shell, and the bottom of shell is provided with material return pipe and screw discharger, material return pipe stretches out in outside skirt, and fire prison observation panel and thermal detector are provided on outer wall；High-temperature gas entrance is provided on the lower sides of shell, fast subassembly, cyclonic separation component and interior heat collector are provided in shell, interior heat collector is set to fast subassembly and cyclonic separation component lower part, the entrance of cyclonic separation component is connected with the exhanst gas outlet of fast subassembly, the top of fast subassembly is connect with material inlet, the interior heat collector is set on heat collector bracket, the inner wall connection of heat collector bracket and shell.
Description
Technical field
The utility model relates to a kind of temperature control rapids bed reactors.
Background technique
Coal gasification lime-ash includes thick slag (gasifier slag) and fine slag (Heisui River filter cake) two parts, grey slag ingredient and gasified raw material
The correlations such as ash content of coal content, composition and gasification process, predominantly SiO2、Al2O3, CaO and residual carbon etc..The ingredient and pot of thick slag
Boiler ash sediment is similar, can be utilized together with boiler ash, as building materials, build the blended feedstocks such as work, road and stemming operation.Coalification
A large amount of thick, fine slag can be generated after work enterprise coal gasification in waste residue, wherein fine slag phosphorus content is higher, it can generally reach 20% or more,
Most of coal chemical industry enterprises can directly abandon this part waste residue, be stacked at nature.This part phosphorus content can be made higher in this way
Lime-ash cannot be fully utilized, result in waste of resources, but also will cause environmental pollution.Solving this pollution problem has been
The extremely urgent thing of coal chemical industry enterprises.
In recent years, the water-coal-slurry technology of preparing and fuel technology in China have developed rapidly, and reach world level, successively complete
The engineering test of water-coal-slurry is used at stoves such as power boiler, boiler of power plant, heater for rolling steel, heat-treatment furnace, dry kilns.?
The high-tech area of environmental protection industry, most of technology in China, product lag behind international most advanced level, but water-coal-slurry is one
A exception, Chinese COAL-WATER SLURRY TECHNOLOGY are occupied very important prior to foreign countries, this new energy in the energy strategy of China
Status.
Domestic processing mainly has two roads at present, first is that pulp water is sent to flotation unit, utilizes dense medium and the separation skill that suspends
Art obtains concentrate and tailings, and concentrate is used directly as feed coal for gasification installation；Second is that straight after the filter press filters pressing of coal washery
Pick water-tube boiler using coal for gasification installation use, this two roads are to melt down utilization, lime-ash finally will directly fill or
It paves the way.
The lime-ash processing technique that gasifies is that waste residue is directly turned waste into wealth, and the lime-ash after decarburization can be directly used for building materials, waste heat
Also recoverable.This by be later coal water slurry gasification ash Slag treatment development trend.
Summary of the invention
The present invention provides a kind of temperature control rapids bed reactor, utilizes effective temperature control means, promotes to fluidize rapid bed reactor
Internal reservoir and reactive moieties lime-ash are back to fast bed reactor and carry out temperature control redox reaction, to reach lime-ash decarburization
Purpose.
In order to solve the problems existing in the prior art, the technical scheme is that a kind of temperature control rapids bed reactor, including shell
Body, the shell are set on skirt, it is characterised in that: are provided with material inlet at the top of the shell and flue gas goes out
Mouthful, the bottom of shell is provided with material return pipe and screw discharger, and the material return pipe stretches out in outside skirt, shell
Fire prison observation panel and thermal detector are provided on outer wall；High-temperature gas entrance, the shell are provided on the lower sides of shell
It is inside provided with fast subassembly, cyclonic separation component and interior heat collector, interior heat collector is set to fast subassembly and cyclonic separation component
The bottom of lower part, the fast subassembly and cyclonic separation component is connected with drop expects pipe, and the bottom for dropping expects pipe is set to flutter valve, rotation
The entrance of wind separation assembly is connected with the exhanst gas outlet of fast subassembly, and the top of fast subassembly is connect with material inlet, described
Interior heat collector is set on heat collector bracket, the inner wall connection of heat collector bracket and shell.
Insulated lining is provided on the inner wall of the shell.
There are two the fire prison observation panel settings.
Compared with prior art, advantages of the present invention is as follows:
1) the utility model is compact-sized, strong operability；Response situation inside being observed by observation panel；
2) the utility model reacts in the reactor, can effectively solve the problem that environmental protection problem；
3) the utility model makes full use of the thermal energy of decarburization oxidation reaction process while effective decarburization, for producing
Middle pressure steam and low-pressure steam carry out power generation or heat supply using steam；
4) lime-ash up to standard after the utility model is processed can be used as producing the raw material of cement, ceramics, building materials, realize true
Positive turns waste into wealth, and can effectively solve the pollution problem of Coal Gasification lime-ash, has good ecological benefits, meets circular economy
With the requirement of sustainable development idea.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model
In figure: 1, skirt；2, material return pipe；3, high-temperature gas entrance；4, thermal detector；5, shell；6, insulated lining；7,
Interior heat collector；8, heat collector bracket；9, flutter valve；10, expects pipe drops；11, fast subassembly；12, material inlet；13, exhanst gas outlet；
14, cyclonic separation component；15, fire prison observation panel；16, screw discharger.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
The utility model provides a kind of temperature control rapids bed reactor, including shell 5, is provided with heat shield liner on the inner wall of shell 5
In 6, the shell 5 is set on skirt 1, and the top of the shell 5 is provided with material inlet 12 and exhanst gas outlet 13, shell
The bottom of body 5 is provided with material return pipe 2 and screw discharger 16, and the material return pipe 2 stretches out in outside skirt 1, shell 5
Outer wall on setting there are two fire prison observation panels 15 and thermal detector 4；High-temperature gas entrance 3 is provided on the lower sides of shell 5,
Fast subassembly 11, cyclonic separation component 14 and interior heat collector 7 are provided in the shell 5, interior heat collector 7 is set to fast grouping
The bottom of 14 lower part of part 11 and cyclonic separation component, the fast subassembly 11 and cyclonic separation component 14 is connected with drop expects pipe
10, the bottom of drop expects pipe 10 is set to flutter valve 9, and the entrance of cyclonic separation component 14 is connected with the exhanst gas outlet of fast subassembly 11,
The top of fast subassembly 11 is connect with material inlet 12, and the interior heat collector 7 is set on heat collector bracket 8, heat collector branch
Frame 8 is connect with the inner wall of shell 5.
Above-mentioned 2 nozzle of material return pipe is by the bulky grain lime-ash of non-complete oxidation in rapid bed reactor, in high temperature
The fast bed reactor of next device is back under state；
Above-mentioned high-temperature gas entrance 3 carries out the high-temperature gas obtained after concurrent heating using heat source to air；
Above-mentioned thermal detector 4 is temperature measuring equipment inside equipment, carries out information feedback using the data of its measurement, adjusts reaction zone
The temperature difference and control reaction temperature in domain；
Above-mentioned shell 5 is mainly the conversion zone of material；
Above-mentioned insulated lining 6 is to guarantee that equipment outer wall wall temperature is lower than 80 DEG C of dedicated pouring material；
Above-mentioned interior heat collector 7 is the recycling of heat source after lime-ash decarburization, can be used for warming oneself or generating electricity；Heat collector bracket 8 is
The fixation of interior heat collector is used；
Above-mentioned flutter valve 9 prevents material from being altered upwards by dipleg, and under normal circumstances, the wing plate and valve seat of flutter valve are in good close
The state of valve；
The pipeline that above-mentioned drop expects pipe 10 connects between cyclone and flutter valve；
Above-mentioned fast subassembly 11 is settling zone of bulky grain reactant；
Above-mentioned material inlet 12 is by the product inlet after fast bed reactor reaction；Exhanst gas outlet 13 be fully reacting or
Less than 5 μm product exits below；
Above-mentioned cyclonic separation component 14 is that a large amount of 10 μm or more in reaction lime-ash of high-temp solid material is separated from air-flow
Out, inside Returning reactor；
Above-mentioned fire prison observation panel 15 is observation device internal-response and the special high temperature camera probe taken, progress are internal anti-
Answer the observation of situation；
Above-mentioned material screw discharger 16 is that the special of inside reactor is discharged by screw discharger in the material of fully reacting
Use equipment.
The utility model carries out oxidation reaction to lime-ash using high-temperature gas and stores the complete material of unreacted, returns
The special equipment of single step reaction is carried out to fast bed reactor.
Unreacted 10 μm or more bulky grain lime-ash divide separation assembly 14 by internal rotation, pass through gravitational settling to the tail portion wing
At valve 9, material saves bit by bit constant weight, automatically opens flutter valve 9, and lime-ash emulsion zone is contacted with fresh high temperature air, aoxidize anti-
Carbon residue, the lime-ash after decarburization should be removed, a part of unreacted lime-ash controls reflux by the valve of 2 lower section of material return pipe
Amount is circulated back to the fast bed reactor of fluidisation, and for a part by screw discharger 16 under conditions of keeping material position in bed, discharge is rapid
Bed reactor.Decarburization oxidation reaction is too fast in rapid bed reactor or temperature is excessively high, and the easy molten sintering of material is blocking, so that carbon residue
It can not be removed by tight；Reaction rate is excessively slow, then can lead because exothermic heat of reaction is unable to maintain that the temperature of reaction system less
Cause oxidation reaction flame-out.Therefore, reaction temperature must be carried out by material return pipe 2 and interior heat collector 7 in the process of running
Dynamic adjustment control, can be solved the problem.
The utility model is the reactor of a kind of collection decarburizing reaction and storage high-temperature material, and effect mainly storage is not complete
The lime-ash of full response, and keep the stabilization of system temperature in reactor.It goes into operation heater to rapid bed reaction inside using outside
Reaction compartment carries out concurrent heating, so that the temperature of inside reactor is reached decarburizing reaction required temperature, the unreacted lime-ash in part then leads to
Valve return of the material return pipe 2 by intermediate connection is crossed into fast bed reactor, whole equipment is fed back according to thermometric module 4
The situation of change of equipment internal temperature controls the temperature inside equipment by adjusting the size of flow in interior heat collector 7；Once
Reaction product enters the fast subassembly 11 of reactor by material inlet 12, enters in flutter valve 9 by gravitational settling effect, when
After material saves bit by bit certain altitude, flutter valve is automatically opened, and material drops to device bottom；The object that primary first-order equation product section does not settle
Bulky grain is continued separation by cyclonic separation component 14 and is settled down at the flutter valve of cyclone separator drop 10 bottom of expects pipe by material, works as object
After material saves bit by bit certain altitude, flutter valve is automatically opened, and material drops to device bottom.The product of fully reacting passes through screw discharger
16, it enters in next special equipment.High-temperature flue gas passes through exhanst gas outlet 13, enters in waste-heat recovery device, tail gas warp
Cross water dust scrubber dust removal process, meet the requirement of environmental protection.The specific of 15 observation device internal fluidisation of observation panel reaction is supervised by fire
Dynamically, equipment internal-response situation is paid attention at any time.Recycling benefit can be carried out to waste heat using interior heat collector 7 by the heat release of reactant
With.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention, all
Changed using the equivalent structure that specification and accompanying drawing content of the invention are done, should be included in the scope of patent protection of invention
It is interior.
Claims (3)
1. a kind of temperature control rapids bed reactor, including shell (5), the shell (5) are set on skirt (1), it is characterised in that:
Material inlet (12) and exhanst gas outlet (13) are provided at the top of the shell (5), the bottom of shell (5) is provided with material and returns
Flow tube (2) and screw discharger (16), the material return pipe (2) stretch out in skirt (1) outside, set on the outer wall of shell (5)
It is equipped with fire prison observation panel (15) and thermal detector (4)；It is provided on the lower sides of shell (5) high-temperature gas entrance (3), it is described
It is provided with fast subassembly (11), cyclonic separation component (14) and interior heat collector (7) in shell (5), interior heat collector (7) is set to fastly
The bottom of subassembly (11) and cyclonic separation component (14) lower part, the fast subassembly (11) and cyclonic separation component (14) connects
It is connected to drop expects pipe (10), the bottom of drop expects pipe (10) is set to flutter valve (9), the entrance and fast subassembly of cyclonic separation component (14)
(11) exhanst gas outlet connection, the top of fast subassembly (11) are connect with material inlet (12), the interior heat collector (7) setting
In on heat collector bracket (8), heat collector bracket (8) is connect with the inner wall of shell (5).
2. a kind of temperature control rapids bed reactor according to claim 1, it is characterised in that: on the inner wall of the shell (5)
It is provided with insulated lining (6).
3. a kind of temperature control rapids bed reactor according to claim 1 or 2, it is characterised in that: the fire prison observation panel
(15) there are two setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821384393.0U CN208742511U (en) | 2018-08-27 | 2018-08-27 | A kind of temperature control rapids bed reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821384393.0U CN208742511U (en) | 2018-08-27 | 2018-08-27 | A kind of temperature control rapids bed reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208742511U true CN208742511U (en) | 2019-04-16 |
Family
ID=66081685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821384393.0U Active CN208742511U (en) | 2018-08-27 | 2018-08-27 | A kind of temperature control rapids bed reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208742511U (en) |
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2018
- 2018-08-27 CN CN201821384393.0U patent/CN208742511U/en active Active
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