CN207793163U - A kind of self-loopa tunnel type carbonizing kiln - Google Patents
A kind of self-loopa tunnel type carbonizing kiln Download PDFInfo
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- CN207793163U CN207793163U CN201721681320.3U CN201721681320U CN207793163U CN 207793163 U CN207793163 U CN 207793163U CN 201721681320 U CN201721681320 U CN 201721681320U CN 207793163 U CN207793163 U CN 207793163U
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- carbonizing kiln
- loopa
- self
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- tunnel type
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
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- 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/143—Reduction of greenhouse gas [GHG] emissions of methane [CH4]
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- 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
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Abstract
The utility model discloses a kind of self-loopa tunnel type carbonizing kilns, are related to wood processing field, including：Carbonizing kiln ontology and the circulatory system being connect with the carbonizing kiln ontology, wherein, the carbonizing kiln ontology includes preheating and drying area, pyrolysis zone, zoneofoxidation, reducing zone and cooling zone, and the circulatory system includes residual neat recovering system, combustion gas multiplex system and exhaust treatment system.Using above-mentioned technical proposal, due to increasing residual neat recovering system and combustion gas multiplex system on the basis of carbonizing kiln, improve the conversion ratio of charcoal, 35% can be reached, simultaneously because setting exhaust treatment system, exhaust emissions can reach Natural gas standard, realize cleaning, environmental protection production, at the same also achieve charcoal processing it is continuous, efficiently, automated production.
Description
Technical field
The utility model is related to wood processing field, more particularly to a kind of self-loopa tunnel type carbonizing kiln.
Background technology
Currently, China's biomass charcoal making equipment is very backward, mostly still based on earth kiln, small scale, production cycle be long,
Environment protection emission is not up to standard, labour's consumption is big, properties of product are unstable, benefit is low, and the technique needs additional combustion timber to make
For fuel, but mass energy is discharged into the form of black smoke in air in process of production, has not only polluted air but also waste of energy.In environmental protection
Increasingly under stringent environment, some local governments make a decision sincerely close earth kiln taboo make charcoal, though these measures for the moment solve environment
Disposal of pollutants problem, single biomass castoff forbid charcoal processing to not only limit comprehensive utilization of resources as a kind of renewable resource,
Also the income level of the mountain area people is made to receive restriction.
To change the situation of biomass charcoal making equipment backwardness conscientiously and solving the lance of biomass resource development and protection
Shield realizes that the efficient and environmental objective of charcoal processing production is unified, some enterprises have developed machine-made carbon on the basis of traditional earth kiln
The unified recovery processing of flue gas may be implemented in kiln, tentatively solves the problems, such as that black smoke environment protection emission, single equipment belong to batch production
Equipment, the black smoke generated during charcoal processing are handled using spray process, and environmental protection treatment is of high cost, and the energy does not make full use of.No
Pipeclay kiln or mechanism charcoal kiln, process parameter control rely primarily on the experience control of firing master worker, by " eye sight nasil ", obtain
Charcoal rate is low, and generally 20% or so, and unstable product quality, yield are also relatively low.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of self-loopa tunnel type carbonizing kilns, solve in the prior art
Charcoal kiln not environmentally, the low technical problem of conversion ratio.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is：
A kind of self-loopa tunnel type carbonizing kiln, including：Carbonizing kiln ontology and the cyclic system being connect with the carbonizing kiln ontology
System, wherein the carbonizing kiln ontology includes preheating and drying area, pyrolysis zone, zoneofoxidation, reducing zone and cooling zone, the cyclic system
System includes residual neat recovering system, combustion gas multiplex system and exhaust treatment system.
Wherein, the residual neat recovering system include more heat exchanging water pipes being arranged around cooling zone and with heat exchanging water pipe's phase
Water softening tank even, the water softening tank is connected to waste heat boiler, the steam (vapor) outlet of the waste heat boiler respectively with steam distributor and
Steam atomization spout connection in the cooling zone is set, and the gas inlet of the waste heat boiler connects with the combustion gas multiplex system
It connects, the exhanst gas outlet of the waste heat boiler is connect with the exhaust treatment system.
Wherein, the combustion gas multiplex system include be connected to the preheating and drying area, the pyrolysis zone, the reducing zone and
The biological fuel gas exhaust tube of the cooling zone and the high temperature draught fan being connect with the biological fuel gas exhaust tube, the high temperature
Air-introduced machine is connect with low NO, and biological fuel gas is evacuated to low NO, and burning drum is connected on low NO
Wind turbine, after biological fuel gas mixes in low NO with air, into the burning boiler being connect with the low NO
In fully burn, burning boiler exhanst gas outlet connect flue gas heat-exchange unit, the exhanst gas outlet of the flue gas heat-exchange unit with it is described
Residual neat recovering system connect, the hot air outlet of the flue gas heat-exchange unit and be arranged the zoneofoxidation hot-air blast pipe company
It connects.
Wherein, the exhaust treatment system includes air-introduced machine and the deduster that is connected on fan inlet, deduster
Gas inlet connect roller drying machine, the gas inlet of the roller drying machine connects the residual neat recovering system, from described
The flue gas of residual neat recovering system discharge is gone out after roller drying machine drying and deduster dedusting by being connected to air-introduced machine
The chimney in air port is discharged.
Wherein, preheating and drying area front end is provided with feeding seal cabin, is arranged at the both ends in the feeding seal cabin
There is feeding seal gate；Discharging sealed compartment is set in the cooling zone rear end, in being provided at both ends with out for the discharging sealed compartment
Expect sealed gate.
Specifically, the feeding seal gate and the discharging sealed gate are respectively twice.
Wherein, further include cycle carriage track, the cycle carriage track includes carbonizing track, trailer return trajectory and setting
Set the feeder carts track and discharging carriage track, the charing rail at the charing track and trailer return trajectory both ends
Road is arranged in the carbonizing kiln ontology, feeder carts track one end is provided with feed zone, in the discharging trailer rail
The one end in road is provided with discharge zone.
Wherein, further include device for monitoring temperature, the device for monitoring temperature includes multiple is arranged in the intrinsic K of carbonizing kiln
Type thermocouple.
Wherein, multiple burners are installed in the zoneofoxidation both sides, have been connected on described burner
Stove fuel tank.
Specifically, the quantity of described burner is 2,4 or 6.
Using above-mentioned technical proposal, due to increasing residual neat recovering system and combustion gas multiplexing system on the basis of carbonizing kiln
System, improves the conversion ratio of charcoal, can reach 35%, simultaneously because setting exhaust treatment system, exhaust emissions can reach naturally
Gas standard realizes cleaning, environmental protection production, at the same also achieve charcoal processing it is continuous, efficiently, automated production.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model self-loopa tunnel type carbonizing kiln；
Fig. 2 is the structural schematic diagram of carbonizing kiln ontology in the utility model.
In figure, 1- carbonizing kiln ontologies, 101- feeding seal gates, 102- discharging sealed gates, the 2- circulatory systems, 201- lifes
Substance combustible gas exhaust tube, 202- high temperature draught fans, 203- low NOs, 204- combustion blowers, 205- burning boilers, 206-
Flue gas heat-exchange unit, 207- tunnel oven wind turbines, 208- exhanst gas outlets, 209- hot air outlets, 210- hot-air blast pipes, more than 211-
Heat boiler, 212- water softening tanks, 213- water circulating pumps, 214- boiler feed pumps, 215- steam distributors, 216- dedusters, 217-
Roller drying machine, 218- chimneys, 219- open burner, 220-, 221-, and 3- carbonizes carriage track, 301- feeder carts tracks,
302- discharging carriage tracks, 303- feed zones, the discharge zones 304-, 305- trailer return trajectories.
Specific implementation mode
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings.It should be noted that
The explanation of these embodiments is used to help to understand the utility model, but does not constitute the restriction to the utility model.This
Outside, technical characteristic involved in the various embodiments of the present invention described below is as long as they do not conflict with each other
It can be combined with each other.
As the first embodiment of the utility model, a kind of self-loopa tunnel type carbonizing kiln is proposed, as shown in Figure 1, 2, packet
It includes：Carbonizing kiln ontology 1 and the circulatory system 2 being connect with carbonizing kiln ontology 1, wherein carbonizing kiln ontology 1 include preheating and drying area,
Pyrolysis zone, zoneofoxidation, reducing zone and cooling zone, preheating and drying area, pyrolysis zone, zoneofoxidation, reducing zone and cooling zone are linked in sequence,
It is provided with charing carriage track 3 wherein, the both ends of charing carriage track 3 are respectively set feeder carts track 301 and are dragged with discharging
Track road 302, and feed zone 303 is provided with before feeder carts track 301, it is provided with out after the carriage track 302 that discharges
Expect area 304, in order to enable carriage track to automate cycle operation, feeder carts track 301 and discharging carriage track 302 it
Between be provided with trailer return trajectory 305.Trailer feeds in feed zone 303, later by feeder carts track 301 to charing
Carriage track 3 moves, and when trailer reaches charing carriage track 3, is arranged in charing carriage track 3 and preheating and drying area front end
Twice feeding seal gate 101 is opened successively, allow trailer by and the temperature leak in carbonizing kiln ontology 1 will not be made excessive,
After trailer is by carbonizing carriage track 3, setting charing carriage track 3 and two way discharging device sealed gate 102 of cooling zone rear end according to
Secondary unlatching allows trailer to sail out of carbonizing kiln ontology 1, and the temperature in carbonizing kiln ontology 1 will not be excessively lost in.By going out after trailer
Expect that carriage track 302 is moved to discharge zone 304, after discharge zone 304 is finished down charcoal material, trailer passes through trailer return trajectory 305
Feed zone 303 is returned to be fed again.
Biological fuel gas exhaust tube 201 is set in preheating and drying area, and by adjusting biological fuel gas capacity, control is pre-
Heated drying area temperature is within the scope of 60 to 180 DEG C.
Continue as shown in Figure 1, 2, the circulatory system 2 includes residual neat recovering system, combustion gas multiplex system and exhaust treatment system.
Preheating and drying area, pyrolysis zone, reducing zone and cooling zone biological fuel gas exhaust tube 201 and with biological fuel gas exhaust tube
The high temperature draught fan 202 of 201 connections, high temperature draught fan 202 are connect with low NO 203, the life that will be generated in carbonization process
Substance combustible gas is evacuated to low NO 203 from preheating and drying area, pyrolysis zone, reducing zone and cooling zone, on low NO 203
It is connected with combustion blower 204, air is pumped into low NO 203 by combustion blower 204, and biological fuel gas is in low nitrogen burning
After being mixed with air in device 204, into fully burning generates high temperature cigarette in the burning boiler 205 being connect with low NO 204
Gas, burning boiler 205 exhanst gas outlet connect flue gas heat-exchange unit 206, high-temperature flue gas in flue gas heat-exchange unit 206 with tunnel oven
The cold air heat exchange that wind turbine 207 is extracted out generates high temperature air and flue gas, and high temperature air is by hot air outlet 209 with setting in oxygen
The hot-air blast pipe 210 for changing area connects.High temperature air is used as oxidant in zoneofoxidation, participates in biomass oxidation reaction.
Flue gas is connect by exhanst gas outlet 208 with waste heat boiler 211, and flue gas carries out waste heat recovery in waste heat boiler 211,
The water inlet of waste heat boiler 211 is connect with water softening tank 212, and water softening tank 212 is connected to the heat exchanging water pipe 213 for being arranged in cooling zone,
Water softening tank 212 has soft water to fill into always, is on the one hand recycled soft water by heat exchanging water pipe 213 by water circulating pump 213, separately
On the one hand soft water input waste heat boiler 211 is exchanged heat with flue gas by boiler feed pump 214, what waste heat boiler 211 generated
Steam largely enters steam distributor 215, and sub-fraction is connected to the steam atomization spout of cooling zone, logical according to temperature conditions
Enter appropriate steam reduction reaction and generate part biological matter combustion gas, and reaches cooling purpose.Flue gas is by logical after waste heat boiler 211
Deduster 216 and 217 dedusting of roller drying machine drying are crossed, cleaning of off-gas is discharged from chimney 218 finally by air-introduced machine.
It is provided with K-type thermocouple every 2 to 4 meters in carbonizing kiln ontology 1,4 to 8 meters are provided with pressure sensor, with
Realize the on-line monitoring and adjusting of technological parameter.
The import both sides of zoneofoxidation are equipped with 2 to 4 and open burner 219, and fuel is connected to by opening stove fuel channel
Tank 221 lights a fire when for opening stove and ignites, if being equipped with heated dry air blast pipe 210, hot-air at the top of zoneofoxidation and both sides
Blast pipe is wrapped up using thermal insulation material, to reduce the thermal losses of hot-air on the way.Temperature is carried out by hot-air blast pipe 210
Degree is adjusted, and makes zoneofoxidation temperature between 600 DEG C to 950 DEG C.
After adopting the above scheme, the application has the following advantages：
(1) it uses biomass to carbonize tunnel oven from heat supply, overturns traditional earth kiln charcoal processing pattern, it is continuous, high to realize charcoal processing
Effect, automated production；
(2) the biological fuel gas centralized collection that charcoal processing process generates is burnt using the special low NO of biomass, tail gas
Discharge can reach Natural gas standard, realize cleaning, environmental protection production；
(3) biomass carbonizes the online Centralizing inspections of technological parameters such as temperature, the pressure of tunnel oven, technology controlling and process essence from heat supply
Degree is high, and it is high to obtain charcoal rate, and up to 35%, product quality is stablized；
(4) using the soft water of waste heat boiler as recirculated cooling water, waste heat efficiently utilizes for cooling zone；
(5) biomass resource classified utilization can also produce steam energy in addition to traditional charcoal product, realize that resource is comprehensive
It closes and utilizes.
The embodiment of the utility model is explained in detail above in association with attached drawing, but the utility model is not limited to be retouched
The embodiment stated.For a person skilled in the art, right in the case where not departing from the utility model principle and spirit
These embodiments carry out a variety of change, modification, replacement and modification, still fall in the scope of protection of the utility model.
Claims (10)
1. a kind of self-loopa tunnel type carbonizing kiln, which is characterized in that including：It carbonizing kiln ontology and is connect with the carbonizing kiln ontology
The circulatory system, wherein the carbonizing kiln ontology includes preheating and drying area, pyrolysis zone, zoneofoxidation, reducing zone and cooling zone, institute
It includes residual neat recovering system, combustion gas multiplex system and exhaust treatment system to state the circulatory system.
2. self-loopa tunnel type carbonizing kiln according to claim 1, it is characterised in that：The residual neat recovering system includes setting
The water softening tank set the more heat exchanging water pipes around cooling zone and be connected with heat exchanging water pipe, the water softening tank connect with waste heat boiler
Logical, the steam (vapor) outlet of the waste heat boiler connects with steam distributor and the steam atomization spout being arranged in the cooling zone respectively
Connect, the gas inlet of the waste heat boiler is connect with the combustion gas multiplex system, the exhanst gas outlet of the waste heat boiler with it is described
Exhaust treatment system connects.
3. self-loopa tunnel type carbonizing kiln according to claim 1, it is characterised in that：The combustion gas multiplex system includes connecting
Be connected on the preheating and drying area, the pyrolysis zone, the reducing zone and the cooling zone biological fuel gas exhaust tube and with institute
The high temperature draught fan of biological fuel gas exhaust tube connection is stated, the high temperature draught fan is connect with low NO, by biomass fuel
Gas is evacuated to low NO, is connected with combustion blower on low NO, biological fuel gas in low NO with sky
After gas mixing, into fully burning in the burning boiler being connect with the low NO, connect in the exhanst gas outlet of burning boiler
Flue gas heat-exchange unit is connect, the exhanst gas outlet of the flue gas heat-exchange unit is connect with the residual neat recovering system, the flue gas heat-exchange unit
Hot air outlet is connect with the hot-air blast pipe for being arranged in the zoneofoxidation.
4. self-loopa tunnel type carbonizing kiln according to claim 1, it is characterised in that：The exhaust treatment system includes drawing
The gas inlet of wind turbine and the deduster being connected on fan inlet, deduster connects roller drying machine, and the roller dries
The gas inlet of dry machine connects the residual neat recovering system, and the flue gas being discharged from the residual neat recovering system is dried by the roller
After dry machine drying and deduster dedusting, the chimney by being connected to fan out draft is discharged.
5. self-loopa tunnel type carbonizing kiln according to claim 1, it is characterised in that：It is set in preheating and drying area front end
It is equipped with feeding seal cabin, feeding seal gate is provided at both ends in the feeding seal cabin；It is arranged in the cooling zone rear end
Discharge sealed compartment, and discharging sealed gate is provided at both ends in the discharging sealed compartment.
6. self-loopa tunnel type carbonizing kiln according to claim 5, it is characterised in that：The feeding seal gate and described
The sealed gate that discharges is respectively twice.
7. self-loopa tunnel type carbonizing kiln according to claim 1, it is characterised in that：Further include cycle carriage track, institute
Cycle carriage track is stated to include charing track, trailer return trajectory and be arranged in the charing track and the trailer return trajectory
The feeder carts track at both ends and discharging carriage track, the charing track setting in the carbonizing kiln ontology, it is described into
Material carriage track one end is provided with feed zone, and one end of the discharging carriage track is provided with discharge zone.
8. self-loopa tunnel type carbonizing kiln according to claim 1, it is characterised in that：Further include device for monitoring temperature, institute
It includes multiple be arranged in the intrinsic K-type thermocouple of carbonizing kiln to state device for monitoring temperature.
9. self-loopa tunnel type carbonizing kiln according to claim 1, it is characterised in that：It is equipped in the zoneofoxidation both sides
Multiple burners are connected with furnace lifting fuel tank on described burner.
10. self-loopa tunnel type carbonizing kiln according to claim 9, it is characterised in that：The quantity of described burner
It is 2,4 or 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721681320.3U CN207793163U (en) | 2017-12-06 | 2017-12-06 | A kind of self-loopa tunnel type carbonizing kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721681320.3U CN207793163U (en) | 2017-12-06 | 2017-12-06 | A kind of self-loopa tunnel type carbonizing kiln |
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| Publication Number | Publication Date |
|---|---|
| CN207793163U true CN207793163U (en) | 2018-08-31 |
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ID=63283122
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721681320.3U Expired - Fee Related CN207793163U (en) | 2017-12-06 | 2017-12-06 | A kind of self-loopa tunnel type carbonizing kiln |
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| CN (1) | CN207793163U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110283608A (en) * | 2019-06-06 | 2019-09-27 | 马天牧 | A kind of biomass carbonated, hot, electric three production systems |
| CN111139096A (en) * | 2020-01-08 | 2020-05-12 | 润电能源科学技术有限公司 | Household garbage treatment system and household garbage treatment method thereof |
| CN112126449A (en) * | 2020-09-23 | 2020-12-25 | 栾运宇 | Moisture-removing treatment charcoal-making process capable of easily recovering smoke dust |
| TWI750551B (en) * | 2019-12-13 | 2021-12-21 | 李素芳 | Thermal cracking furnace and method of operating the same |
-
2017
- 2017-12-06 CN CN201721681320.3U patent/CN207793163U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110283608A (en) * | 2019-06-06 | 2019-09-27 | 马天牧 | A kind of biomass carbonated, hot, electric three production systems |
| WO2020243994A1 (en) * | 2019-06-06 | 2020-12-10 | 马天牧 | Combined biomass carbonization, heat and electricity production system |
| TWI750551B (en) * | 2019-12-13 | 2021-12-21 | 李素芳 | Thermal cracking furnace and method of operating the same |
| CN111139096A (en) * | 2020-01-08 | 2020-05-12 | 润电能源科学技术有限公司 | Household garbage treatment system and household garbage treatment method thereof |
| CN112126449A (en) * | 2020-09-23 | 2020-12-25 | 栾运宇 | Moisture-removing treatment charcoal-making process capable of easily recovering smoke dust |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180831 Termination date: 20191206 |