CN108423680A - A kind of two sections of chemical activation stoves of self-heat-supply - Google Patents
A kind of two sections of chemical activation stoves of self-heat-supply Download PDFInfo
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- CN108423680A CN108423680A CN201810608632.4A CN201810608632A CN108423680A CN 108423680 A CN108423680 A CN 108423680A CN 201810608632 A CN201810608632 A CN 201810608632A CN 108423680 A CN108423680 A CN 108423680A
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- heat
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- stoves
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- 230000004913 activation Effects 0.000 title claims abstract description 58
- 239000000126 substance Substances 0.000 title claims abstract description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 48
- 238000006243 chemical reaction Methods 0.000 claims abstract description 32
- 238000010992 reflux Methods 0.000 claims abstract description 24
- 230000003213 activating effect Effects 0.000 claims abstract description 21
- 230000037452 priming Effects 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 36
- 238000002485 combustion reaction Methods 0.000 claims description 11
- 239000002918 waste heat Substances 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 abstract description 7
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 230000001473 noxious effect Effects 0.000 abstract description 3
- 238000002360 preparation method Methods 0.000 abstract description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 36
- 239000007789 gas Substances 0.000 description 35
- 238000000197 pyrolysis Methods 0.000 description 24
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 18
- 230000000694 effects Effects 0.000 description 11
- 238000001035 drying Methods 0.000 description 10
- 238000004064 recycling Methods 0.000 description 10
- DLYUQMMRRRQYAE-UHFFFAOYSA-N tetraphosphorus decaoxide Chemical compound O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 description 10
- 239000002023 wood Substances 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 9
- 230000005855 radiation Effects 0.000 description 9
- 238000012856 packing Methods 0.000 description 8
- 239000011269 tar Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 239000003610 charcoal Substances 0.000 description 4
- 238000002309 gasification Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000010943 off-gassing Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 206010013786 Dry skin Diseases 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000005539 carbonized material Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 239000011280 coal tar Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 210000000952 spleen Anatomy 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/30—Active carbon
- C01B32/39—Apparatus for the preparation thereof
-
- 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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Abstract
The present invention relates to activated carbon preparation fields, more particularly to a kind of two sections of chemical activation stoves of self-heat-supply for realizing the removal to noxious emission and reduce heating energy consumption cost, including activating reaction furnace, connect the outlet pipe of activating reaction furnace, admission line and discharge duct, the priming reaction furnace chamber is equipped with feeding screw, priming reaction furnace chamber is divided into dryer section and activation section by feeding screw, dryer section connects one end of discharge duct, activation section connects one end of one end and admission line of outlet pipe, admission line extends to form reflux heat pipeline into activating reaction furnace and is connect with one end, the other end of reflux heat pipeline through feeding screw and extends to dryer section.
Description
Technical field
The present invention relates to activated carbon preparation field more particularly to a kind of removal realized to noxious emission and reduce heating
The two sections of chemical activation stoves of self-heat-supply for the cost that consumes energy.
Background technology
In the production of current activated carbon of phosphoric acid method, it is all made of the mode of heating of internal heat type reverse hot gas and Flow of Goods and Materials, i.e.,
Hot-air is heated from burner to stove tail heating air, and charing, activated material are flowed by stove Caudad burner.It is a large amount of in process of production
It is pyrolyzed air：CO, CO2, vapor, phosphoric acid vapour, wood gas, tar are discharged to by flue in air, seriously polluted air simultaneously
And energy consumption is serious, ton charcoal heats energy consumption cost at 300~400 yuan at production.At home under environmentally friendly pressure, each enterprise is all spending
A large amount of financial resources transformation smoke evacuation purification system, but effect very unobvious, and put into huge.And during conventional phosphoric acid activation,
Since high-temperature flue gas often contains small solid particle, causes the content of ashes of activated carbon higher, significantly affect activated carbon
Quality, at high temperature heat medium air-flow can aggravate dipping material in activator phosphoric acid volatilization, improve the consumption of phosphoric acid, increase
The big production cost of activated carbon.
And this passive technological transformation cannot thoroughly effect a radical cure pollution sources, and fundamental cause is since dryer section is low temperature row
Tide, raw material are only discharged vapor and do not generate pollution substantially to air, pollute essentially from high temperature pyrolysis section, raw material exists
Acutely a large amount of CO, wood gas, tar etc. decomposite to mix with vapor in stove and are exhausted directly to air pyrolytic reaction at 350 DEG C
In, therefore cause more serious pollution.
Patent Office of the People's Republic of China discloses a kind of patent of invention of interior radiation hot type activated carbon production apparatus on March 2nd, 2018
It authorizes, Authorization Notice No. CN105565315B, the charcoal activation converter has converter front end and converter rear end, the converter front end
It is provided with converter carbonized material feed inlet, the converter rear end is provided with converter activated carbon discharge port, and converter is activated in the charcoal
Axial direction of the inner cavity along the inner cavity is provided with heat radiation calandria, and the heat radiation calandria has a built-in heating device, described turn
Stove carbonized material feed inlet connects feeding equipment, and the converter activated carbon discharge port connects drawing mechanism.Radiation hot type activity in it
Charcoal process units is conducive to energy-saving and environmental protection or improves the product of activated carbon although can be conducive to the stable operation of Activated Carbon Production
Matter, but there is also certain defects, such as its pyrolysis air for generating during the work time：CO, CO2, vapor
（85%）, phosphoric acid vapour, wood gas, tar be discharged in air by flue, seriously polluted air, and due to CO therein, wood
The imflammable gas such as coal gas and tar cannot be recycled effectively, therefore its energy recovery rate is serious compared with low power consuming, to
Cause whole economic efficiency relatively low.
Patent Office of the People's Republic of China also discloses hot integral biomass inside and outside one kind on the 11st in August in 2017 and turns round pyrolytic gasification equipment
Application for a patent for invention, apply notification number CN107033973A, mainly by feeding equipment, external-heat pyrolysis installation, internal heat type
The compositions such as gasification installation, sealing device, drawing mechanism and burner, charging/discharging device and sealing device ensure that pyrolytic gasification
The continuous operation of leakproofness and the pyrolytic gasification reaction of equipment uses high-temperature fuel gas reuse to provide heat for outer heat pyrolysis, reduces
Energy consumption occurs gas priming reaction with material in internal heat type converter using vapor and air Mixture as gasifying medium, generates
Combustion gas and activated carbon, but the vapor in its gasifying medium can not remove, it can be to activation effect and activation when activated carbon activates
Quality has an adverse effect.
And according to incompletely statistics, the activated carbon in 85% or more the whole nation is that chemical method is produced, and is arranged every year into air
Dust, CO, CO2 etc. reach few hundred thousand tonnes of.
Invention content
In order to overcome the pyrolysis air generated in activated carbon production apparatus in the prior art to be merely able to be directly discharged to air
In, the imflammable gas in pyrolysis gas can not be recycled effectively, and can not be effectively removed steam in raw material and be realized asking for separation
Topic, the present invention provides a kind of two sections of chemistry of self-heat-supply for realizing the removal to noxious emission and reduce heating energy consumption cost
Activation furnace.
To achieve the above object, the present invention uses following technical scheme：
A kind of two sections of chemical activation stoves of self-heat-supply, including activating reaction furnace, the outlet pipe for connecting activating reaction furnace, air inlet pipe
Road and discharge duct, the priming reaction furnace chamber are equipped with feeding screw, and priming reaction furnace chamber is divided by feeding screw
Dryer section and activation section, dryer section connect one end of discharge duct, and activation section connects one end and the admission line of outlet pipe
One end, admission line extend to form reflux into activating reaction furnace and heat pipeline and are connect with one end, the heat pipeline that flows back it is another
End is through feeding screw and extends to dryer section.
Material enters activating reaction furnace from dryer section one end, and material is dried in dryer section first, passes through 180 DEG C
The moisture drying in material is removed after low temperature drying, subsequent material slowly enters feeding screw, into after feeding screw
Implementation phase accumulation and mobile, formation packing seal state so that the vapor in dryer section can not in feeding screw
Enter activation section, and CO, CO that material occurs to generate when carbonization-activation reaction in activation section2, phosphoric acid vapour, wood gas and tar
Equal pyrolysis gas cannot be introduced into dryer section, and the phase of both dryer section and activation section is realized by the packing seal of feeding screw
Mutually isolation, therefore the water content in the pyrolysis gas generated in activation section is extremely low, the content of imflammable gas greatly improves, and has
Recycling that can be high is worth, and is passed through the phosphoric acid vapour that can remove after outlet pipe outlet burns in pyrolysis gas and is generated five oxidations
The completely burneds such as CO, wood gas and tar are simultaneously become clean high temperature air by two phosphorus in turn, and are entered back by admission line
High temperature air is guided in the reflux heat pipeline of activation section part by stream heat pipeline, is provided in activation section in the way of heat radiation
Thermal energy needed for carbonization-activation not only realizes the recycling of pyrolysis gas, also achieves the efficient utilization of energy, high temperature air
It is flowed out, is entered by the other end of reflux heat pipeline again after giving off partial heat by the reflux heat pipeline of activation section part
The dryer section of activating reaction furnace can provide the material in dryer section drying of the heat realization to it, then be connected to vapor and be formed
High temperature air is discharged from discharge duct together, and phosphorus pentoxide can prepare phosphoric acid to the activation of material institute again
It needs, realizes recycling, the high temperature air of discharge is environmentally protective to environment harmless, can effectively reduce dirty caused by environment
Dye, and the present invention origin of heat in addition to initial start stage needs external heat source, can be completely achieved it is self-sufficient, have it is good
Energy-saving effect.
Preferably, the other end of the admission line is connected with waste heat boiler, waste heat boiler passes through pipeline and combustion furnace
Connection, combustion furnace connect the other end of outlet pipe.
Pyrolysis gas can fully burn in combustion furnace, and removal phosphoric acid vapour generates phosphorus pentoxide and by CO, wood gas and coke
The completely burneds such as oil become clean high temperature air in turn, and recycling phosphorus pentoxide prepares phosphoric acid, and high temperature air is guided to
Waste heat boiler, waste heat boiler have adjusting temperature function, and too high or too low for temperature cause is avoided by adjusting temperature in waste heat boiler
Carbonization-activation it is ineffective, be typically the reflux heat pipeline for being cooled to suitable temperature ranges and importing activation section part again, realize
Heat radiation to material provides the heat needed for material carbonization-activation.
Preferably, the feeding screw is equipped with several coil pipes along reflux heat pipeline.
Several coil pipes make feeding screw single that can increase into material, improve the working efficiency of single unit system.
Preferably, being equipped with stock guide between the coil pipe, stock guide detaches each coil pipe.
Stock guide makes each coil pipe detach, and further increases the relative independentability between each coil pipe, spiral shell can be improved indirectly
Packing seal effect caused by precession glassware.And stock guide can effectively by material aliquot repeatedly and uniformly advance to spiral
It in feeder, and then prevents solid accumulation in causing feed blocking in same coil pipe, influences the production efficiency of activated carbon.
Preferably, the coil pipe is equipped with discharge port, discharge port is arranged in activation section one end.
Preferably, the one end of the activation section far from feeding screw connects activated carbon trap.
Activated carbon trap can easily collect the material through carbonization-activation in activation section.
Preferably, the other end of the discharge duct is connected with wind turbine.
The separation of vapor and pyrolysis gas, vapor is promoted not to enter under differential pressure action using the pressure difference that wind turbine generates
To activation section, and pyrolysis gas is influenced equally to cannot be introduced into dryer section by packing seal, and pressure difference can promote dryer section water
Good guide functions are played in the discharge of steam to a certain extent.
The beneficial effects of the invention are as follows：
1）Effectively by harmless vapor and there can be the pyrolysis gas of pollution to efficiently separate air；
2）Can recycling effectively be carried out to the imflammable gas in pyrolysis gas, reach reduction pollution and improve using energy source
Rate, the effect for reducing cost；
3）Can burning recycling phosphoric acid effectively be carried out to the phosphoric acid vapour in pyrolysis gas, and to prepare the phosphoric acid needed for activation,
The recycling of the material of realization；
4）It is heated by the way that external-heat heating is transformed into heat radiation internal heat type, can effectively improve the quality of activated carbon product,
Promote the quality of product.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is section view of the parts A-A in Fig. 1；
Fig. 3 is the schematic diagram of feeding screw；
Fig. 4 uses schematic diagram for the present invention's；
In figure, 1 activating reaction furnace, 101 dryer sections, 102 activation sections, 2 waste heat boilers, 3 combustion furnaces, 4 wind turbines, 501 outlet pipes,
502 admission lines, 503 discharge ducts, 504 reflux heat pipelines, 6 feeding screws, 601 stock guides, 602 coil pipes, 603 dischargings
Mouth, 7 activated carbon traps, 8 materials, D1 pyrolysis gas outgassing directions, D2 high temperature airs flow into direction, the flowing of steam after D3 dryings
Direction, flow direction of the D4 high temperature airs in reflux heat pipeline, D5 material moving directions.
Specific implementation mode
Further clear detailed description explanation is made to the present invention below in conjunction with specific embodiment and Figure of description.
Embodiment
Two sections of chemical activation stoves of a kind of self-heat-supply as shown in Figure 1 comprising activating reaction furnace 1 is connected to activating reaction furnace 1
On discharge duct 503, admission line 502 and outlet pipe 501, the other end of discharge duct 503 connects wind turbine 4, escape pipe
The other end in road 501 connects combustion furnace 3, and combustion furnace 3 connects waste heat boiler 2, and waste heat boiler 2 by admission line 502 and is lived again
Change reacting furnace 1 to connect.Activated carbon raw material material 8 enters priming reaction by 1 one end of activating reaction furnace for being connected with discharge duct 503
Stove 1, and slowly promoted to 1 other end of activating reaction furnace, carbonization-activation is realized in the process.
As shown in Fig. 2, 1 inner cavity of activating reaction furnace is equipped with feeding screw 6, feeding screw 6 is by 1 inner cavity of activating reaction furnace
It is divided into dryer section 101 and activation section 102, dryer section 101 connects one end of discharge duct 503, and activation section 102 connects outlet pipe
One end of 501 one end and admission line 502, admission line 502 extend to form reflux heat pipeline 504 into activating reaction furnace 1
And connect with one end, the other end of reflux heat pipeline 504 through feeding screw 6 and extends to dryer section 101, and activation section
102 one end far from feeding screw 6 connect activated carbon trap 7.As shown in figure 4, material moving direction D5 is from dryer section
101 one end enter activating reaction furnace 1, and material 8 is dried in dryer section 101 first, by being incited somebody to action after 180 DEG C of low temperature dryings
Moisture drying in material 8 removes, and then slowly enters feeding screw 6, into feeding screw 6 after in feeding screw 6
Interior implementation phase accumulation and mobile, formation packing seal state so that the vapor in dryer section 101 cannot be introduced into activation
Section 102, the flow direction D3 of steam from the discharge duct 503 of connection wind turbine 4 as shown in figure 4, be discharged, and material 8 exists after drying
CO, CO for being generated when carbonization-activation reaction occur for activation section 1022, phosphoric acid vapour, the pyrolysis gas such as wood gas and tar cannot be introduced into
Dryer section 101 realizes the mutually isolated of both dryer section 101 and activation section 102 by the packing seal of feeding screw 6,
Therefore the water content in the pyrolysis gas generated in activation section 102 is extremely low, and the content of imflammable gas greatly improves, and having can pole
High recycling value, therefore pyrolysis gas outgassing direction D1 is as shown in figure 4, can after being burnt by 501 outlet of outlet pipe
Phosphoric acid vapour in removal pyrolysis gas generates phosphorus pentoxide and the completely burneds such as CO, wood gas and tar is become clean in turn
High temperature air, high temperature air flow into direction D2 as shown in figure 4, entering reflux heat pipeline 504 by high temperature sky by admission line 502
Conductance is flow in the reflux heat pipeline 504 of 102 part of activation section, high temperature air reflux heat pipeline in flow direction D4 be from
The reflux heat pipeline 504 of 102 part of activation section flow to the reflux heat pipeline 504 of 101 part of dryer section, in the way of heat radiation
Thermal energy needed for carbonization-activation in activation section 102 is provided, the recycling of pyrolysis gas is not only realized, also achieves the height of energy
Effect utilizes, and high temperature air is after giving off partial heat by the reflux heat pipeline 504 of 102 part of activation section by reflux heat pipeline
504 other end outflow, enters the dryer section 101 of activating reaction furnace 1, and it is real can to provide heat to the material 8 in dryer section 101
Now to its drying, then it is connected to vapor and forms high temperature air together from the discharge of discharge duct 503, and phosphorus pentoxide can be again
To prepare phosphoric acid to needed for the activation to material 8, realization recycling, the high temperature air of discharge is to the environmentally protective nothing of environment
Evil, can effectively reduce pollution on the environment, and the origin of heat of the present invention is in addition to initial start stage needs external heat source,
Can be completely achieved it is self-sufficient, have good energy-saving effect.
Feeding screw 6 is specific as shown in figure 3, feeding screw 6 is equipped with several coil pipes 602 along reflux heat pipeline 504,
Stock guide 601 is equipped between coil pipe 602, stock guide 601 detaches each coil pipe 602, and coil pipe 602 is equipped with discharge port 603, discharging
Mouth 603 is arranged in 102 one end of activation section.For several coil pipes 602 so that 6 single of feeding screw can increase into material 8, raising is whole
The working efficiency of body device, stock guide 601 so that each coil pipe 602 detaches, further increase between each coil pipe 602 relatively solely
Vertical property, can be improved packing seal effect caused by feeding screw 6 indirectly.And stock guide 601 can be effectively by 8 aliquot of material
It repeatedly and uniformly advances into feeding screw 6, and then prevents material 8 to be piled up in same coil pipe 602 and cause material 8 stifled
Plug, influences the production efficiency of activated carbon.
When two sections of chemical activation furnacemans of self-heat-supply of the present invention make, material 8 initially enters dryer section 101, then along Fig. 4
Middle material moving direction D5 is entered in feeding screw 6, the packing seal of implementation phase in feeding screw 6, and by
It gradually accumulates, be moved to activation section 102, removal moisture content is dried to material 8 in dryer section 101, the flow direction of steam after drying
D3 along entering discharge tube shown in Fig. 4 arrows, and the pyrolysis gas that activation section 102 generates along Fig. 4 pyrolysis gas outgassing direction D1 into
Enter to combustion furnace 3, fully burning removes phosphoric acid vapour and flow to waste heat pot after being converted into free of contamination high temperature air in combustion furnace 3
Stove 2 flows into direction D2 along Fig. 4 high temperature airs again into trip temperature adjusting and enters in reflux heat pipeline 504, and high temperature air is flowing back
For flow direction D4 in heat pipeline according to shown in Fig. 4, it is to live that heat radiation is utilized in the reflux heat pipeline 504 of 102 part of activation section
Changing the offer heat of material 8 of section 102 makes its carry out carbonization-activation, then is flowed out by dryer section 101, can be to material 8 in dryer section 101
Realize drying.In addition to initial start stage needs external heat source, wood gas, tar and CO in being vented one's spleen completely by the combustion heat etc. are real for it
It is existing self-sufficient.
Claims (7)
1. a kind of two sections of chemical activation stoves of self-heat-supply, including activating reaction furnace, the outlet pipe for connecting activating reaction furnace, air inlet
Pipeline and discharge duct, which is characterized in that the priming reaction furnace chamber is equipped with feeding screw, and feeding screw will activate anti-
Furnace chamber is answered to be divided into dryer section and activation section, dryer section connects one end of discharge duct, and activation section connects one end of outlet pipe
With one end of admission line, admission line extends to form reflux heat pipeline into activating reaction furnace and is connect with one end, flowed back
The other end of heat pipeline is through feeding screw and extends to dryer section.
2. two sections of chemical activation stoves of a kind of self-heat-supply according to claim 1, which is characterized in that the admission line
The other end is connected with waste heat boiler, and waste heat boiler is connect by pipeline with combustion furnace, and combustion furnace connects the other end of outlet pipe.
3. two sections of chemical activation stoves of a kind of self-heat-supply according to claim 1, which is characterized in that the feeding screw
It is equipped with several coil pipes along reflux heat pipeline.
4. two sections of chemical activation stoves of a kind of self-heat-supply according to claim 3, which is characterized in that set between the coil pipe
There are stock guide, stock guide to detach each coil pipe.
5. two sections of chemical activation stoves of a kind of self-heat-supply according to claim 4, which is characterized in that the coil pipe is equipped with out
Material mouth, discharge port are arranged in activation section one end.
6. two sections of chemical activation stoves of a kind of self-heat-supply according to claims 1 or 2 or 3 or 4 or 5, which is characterized in that institute
State one end connection activated carbon trap of the activation section far from feeding screw.
7. two sections of chemical activation stoves of a kind of self-heat-supply according to claims 1 or 2 or 3 or 4 or 5, which is characterized in that institute
The other end for stating discharge duct is connected with wind turbine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810608632.4A CN108423680B (en) | 2018-06-13 | 2018-06-13 | Self-heating two-stage chemical activation furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810608632.4A CN108423680B (en) | 2018-06-13 | 2018-06-13 | Self-heating two-stage chemical activation furnace |
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| Publication Number | Publication Date |
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| CN108423680A true CN108423680A (en) | 2018-08-21 |
| CN108423680B CN108423680B (en) | 2024-02-02 |
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| CN201810608632.4A Active CN108423680B (en) | 2018-06-13 | 2018-06-13 | Self-heating two-stage chemical activation furnace |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111943195A (en) * | 2020-08-20 | 2020-11-17 | 河南科技大学 | Active carbon generating device and active carbon preparation system |
| WO2023005024A1 (en) * | 2021-07-28 | 2023-02-02 | 东南大学 | Mobile-type biomass pyrolysis and activation partition coupling method, and apparatus |
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