CN109297036A - A kind of coal mine gas one-way flow concentration self-adapting oxidation unit - Google Patents
A kind of coal mine gas one-way flow concentration self-adapting oxidation unit Download PDFInfo
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- CN109297036A CN109297036A CN201811145893.3A CN201811145893A CN109297036A CN 109297036 A CN109297036 A CN 109297036A CN 201811145893 A CN201811145893 A CN 201811145893A CN 109297036 A CN109297036 A CN 109297036A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
- F23G7/061—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating
- F23G7/065—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel
- F23G7/066—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel preheating the waste gas by the heat of the combustion, e.g. recuperation type incinerator
- F23G7/068—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel preheating the waste gas by the heat of the combustion, e.g. recuperation type incinerator using regenerative heat recovery means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
- F23G5/46—Recuperation of heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/50—Control or safety arrangements
Abstract
A kind of coal mine gas one-way flow concentration self-adapting oxidation unit, including gas handling system, fair current regenerative oxidation bed, starting combustion chamber, adverse current regenerative oxidation bed and the exhaust system being sequentially communicated, fair current regenerative oxidation bed, starting combustion chamber and adverse current regenerative oxidation bed are arranged in inverted " u "-shaped structure；Air inlet gas concentration sensor, intake flow sensor, electric control valve I and gas-to-gas heat exchanger are successively arranged in gas handling system；Thermal oxide bed bottom is equipped with uniform flow room, and uniform flow room top is filled with porous regenerator body, is equipped with high-temperature heat pipe I and II in porous regenerator body；Start and is equipped with inside heat removing device in combustion chamber；High-temperature heat pipe is connected with starting combustion chamber；Exhaust system is connected by gas-to-gas heat exchanger with adverse current regenerative oxidation bed.The present invention can be reduced greenhouse gases drawing-off gas and obtain, and realize that gas continuously flows concentration self-adapting oxidation, the efficiency and utilization rate of gas oxidation improve, and efficiency of energy utilization is high.
Description
Technical field
The present invention relates to a kind of coal mine gases unidirectionally continuously to flow concentration self-adapting oxidation unit, is suitable for taking out coal field
Mash gas and ventilating gas carry out comprehensive utilization of resources.
Background technique
Gas is the association product of coal, is a kind of non-renewable energy of preciousness.For the safety in production of coal mine,
The presence of gas is also the source for the disaster that coal mining accident takes place frequently, while with the increase of coal mining depth, coal seam gas-bearing capacity
It will significantly increase, and realize that coal and adopting altogether for gas will be deep coal and the inevitable approach that gas resources are exploited.Meanwhile from coal mine watt
For this discharge, the discharge of ventilating gas accounts for about the 70% of coal mine gas total emission volumn.Due to the concentration of ventilating gas it is low (≤
1%), flowed fluctuation is big, and conventional utilization technology is difficult to effectively utilize.Therefore, coal extraction gas and ventilation how to be realized
Gas is reasonable, effective comprehensive utilization of resources, for promoting the efficient production level of safety of coal mines, reducing greenhouse gas emission
It is of great significance.
Gas regenerative oxidation is the high-temperature gas of generation after gas is heated to certain temperature oxidation in starting combustion chamber
It is set to heat up and " accumulation of heat " after flowing through heat storage, for preheating the methane gas of subsequent entrance, to save the combustion of gas heating
Material consumption, while enabling gas continued oxidation to reduce the discharge of gas, the heat generated after oxidation can also be used for heat supply or hair
Electricity, thus gas regenerative oxidation to realize coal extraction gas and ventilating gas is reasonable, effective comprehensive utilization of resources most
Practicability.
However, there is no the Drainage feature specifically for coal field mash gas extraction and ventilating gas so far and the list proposed
To continuous flowing concentration self-adapting method for oxidation.
Summary of the invention
In order to overcome the above-mentioned deficiency of the prior art, the present invention provides a kind of coal mine gas one-way flow concentration self-adapting oxygen
Makeup is set, and can not only reduce the clean energy resource conversion that coal mine gas is obtained while greenhouse gases gas (methane) discharge, also
It can be realized gas and continuously flow concentration self-adapting oxidation, the efficiency and utilization rate of gas oxidation is greatly improved, it is with higher
Efficiency of energy utilization.
The technical solution used to solve the technical problems of the present invention is that: including be sequentially communicated gas handling system, fair current accumulation of heat
Oxidation bed, starting combustion chamber, adverse current regenerative oxidation bed and exhaust system, fair current regenerative oxidation bed, starting combustion chamber and adverse current store
Thermal oxide bed is arranged in inverted " u "-shaped structure；Air inlet gas concentration sensor, inlet air flow are disposed in the gas handling system
Quantity sensor, electric control valve I and gas-to-gas heat exchanger, gas-to-gas heat exchanger are divided into two parts, top and air inlet by sealing partition
System connection, lower part are connect with exhaust system, and the end of gas handling system is connected with the bottom air inlet of fair current regenerative oxidation bed；
The bottom of the fair current regenerative oxidation bed is equipped with air inlet uniform flow room, and air inlet uniform flow room top is filled with porous regenerator body I, porous
The inner upper of heat storage I is provided with high-temperature heat pipe I；The bottom of the adverse current regenerative oxidation bed is equipped with exhaust uniform flow room, row
The top of gas uniform flow room is filled with porous regenerator body II, and the inner upper of porous regenerator body II is provided with high-temperature heat pipe II；It is described
Starting combustion chamber in be provided with heat collector, middle part top is also equipped with starting burner；Porous regenerator body I and porous regenerator
High-temperature heat pipe I and high-temperature heat pipe II in body II are connected with starting combustion chamber respectively；The exhaust system is exchanged heat by gas-gas
Device is connected with adverse current regenerative oxidation bed.
Compared with prior art, a kind of coal mine gas one-way flow concentration self-adapting oxidation unit of the invention, coalmine ventilation
Gas and extraction low concentration gas are controlled after mixing by gas handling system, and real-time perfoming flow is adjusted, into accumulation of heat inverted " u "-shaped
It is aoxidized in oxidation bed, high-temperature heat pipe can will start the initial heat that combustion chamber generates and be rapidly transferred to fair current oxidation bed and inverse
It flows in oxidation bed, and is uniformly distributed oxidation bed internal temperature in device operational process, guarantee that gas oxidation process is rapid, high
Effect carries out, and the heat that integrated oxidation bed generates is converted into steam power by heat collector and is efficiently utilized.Coal extraction gas with
Ventilating gas realizes watt under the common adjusting of air inlet gas concentration sensor, intake flow sensor and electric control valve I
This continuous flowing concentration self-adapting oxidation；Fair current regenerative oxidation bed, the " u "-shaped cloth for starting combustion chamber and adverse current regenerative oxidation bed
It sets, greatly improves the utilization rate of gas oxidation；Porous regenerator body I and II high temperature heat pipe I of porous regenerator body and high warm
Pipe II ensures that oxidized process quickly carries out, and is uniformly distributed the interior temperature of porous regenerator body I and porous regenerator body II；Exhaust
Fume afterheat can preheat air inlet gas in gas-to-gas heat exchanger in system, and without gas exchanges, it is fuel-saving simultaneously
Improve regenerative oxidation reaction rate.As it can be seen that the characteristics of present invention is particularly directed to coal extraction gas and ventilating gas, is suitable for
The coal mine gas gas in all concentration ranges including mash gas extraction, ventilating gas.Greenhouse gases gas (first can be reduced
Alkane) discharge while obtain the clean energy resource conversion of coal mine gas, fair current and adverse current regenerative oxidation are carried out in the case of one-way flow,
And the use of high-temperature heat pipe and the automatic adjusument of gas density improve gas oxidation efficiency, and fume afterheat is also by abundant benefit
With entire gas oxidative system efficiency of energy utilization with higher.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram of one embodiment of the present of invention；In Fig. 1,110- fair current regenerative oxidation bed；111- into
Gas uniform flow room；112- high-temperature heat pipe I；113- porous regenerator body I；114- fair current heat collector；120- adverse current regenerative oxidation bed；121-
It is vented uniform flow room；122- high-temperature heat pipe II；123- porous regenerator body II；124- adverse current heat collector；130- starts combustion chamber；131-
Start burner；132- inside heat removing device；140- gas handling system；141- air inlet gas concentration sensor；142- charge flow rate passes
Sensor；143- electric control valve I；144- gas-to-gas heat exchanger；150- exhaust system；151- extraction flow sensor；152- exhaust
Gas concentration sensor；153- electric control valve II.
Fig. 2 is the structural schematic diagram of another embodiment of the invention；In Fig. 2,210- fair current regenerative oxidation bed；211-
Air inlet uniform flow room；212- high-temperature heat pipe I；213- porous regenerator body I；215- temperature sensor I；216- temperature sensor III；
217- air inlet flow homogenizer；220- adverse current regenerative oxidation bed；221- is vented uniform flow room；222- high-temperature heat pipe II；223- porous regenerator
Body II；225- temperature sensor II；226- temperature sensor IV；227- is vented flow homogenizer；230- starts combustion chamber；231- starting
Burner；232- inside heat removing device；233- temperature sensor V；234- temperature sensor VI；240- gas handling system；241- air inlet
Gas concentration sensor；242- intake flow sensor；243- electric control valve I；244- gas-to-gas heat exchanger；245- high warm
Pipe III；250- exhaust system；251- extraction flow sensor；260- shell；261- heat insulation layer；262- thickeies insulation
Layer；The outlet of 270- high-temperature medium；271- heat collector outlet pressure sensor；272- heat collector outlet flow sensor；273- takes
Hot device outlet shutoff valve；280- cryogenic media entrance；281- heat collector inlet pressure transducer；282- heat collector inlet flow rate passes
Sensor；283- heat collector inlet stop valve.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without making creative work, belongs to protection scope of the present invention.
In embodiment 1 shown in Fig. 1, a kind of coal mine gas one-way flow concentration self-adapting oxidation unit, including fair current store
It is thermal oxide bed 110, adverse current regenerative oxidation bed 120, starting combustion chamber 130, air inlet uniform flow room 111, fair current heat collector 114, porous
Heat storage I 113, high-temperature heat pipe I 112, inside heat removing device 132, starting burner, high-temperature heat pipe II 122, porous regenerator body II
123, adverse current heat collector, exhaust uniform flow room 121, gas handling system 140, air inlet gas concentration sensor 141, intake flow sensor
142, electric control valve I 143, gas-to-gas heat exchanger 144, exhaust system 150, extraction flow sensor 151, exhaust gas density
Sensor 152 and electric control valve II；Fair current regenerative oxidation bed 110, starting combustion chamber 130 and the adverse current regenerative oxidation bed
120 are sequentially communicated and arrange in inverted " u "-shaped structure；The fair current regenerative oxidation bed 110 is successively by air inlet uniform flow room 111 and more
Hole heat storage I 113 is connected；Fair current heat collector 114 and high-temperature heat pipe I 112 are disposed in porous regenerator body I 113 from the bottom to top；Institute
High-temperature heat pipe II 122, porous regenerator body II 123, adverse current heat collector are arranged in the same manner in the adverse current regenerative oxidation bed 120 stated
124 and exhaust uniform flow room 121；Fair current heat collector 114, inside heat removing device 132 and adverse current heat collector 124 are all made of back-shaped layout,
Such design makes fluid media (medium) in each heat collector fully absorb gas oxidation generation heat, improves heat collector heat exchange efficiency；Institute
In the porous regenerator body I 113 stated and in porous regenerator body II 123 high-temperature heat pipe I 112 and high-temperature heat pipe II 122 respectively with starting
Combustion chamber 130 is connected.Arrange that inside heat removing device 132, inside heat removing device 132 can be to warm in device in the starting combustion chamber 130
Amount is utilized；Middle part arrangement starting burner 131；Air inlet gas concentration sensor is sequentially connected in the gas handling system 140
141, intake flow sensor 142, electric control valve I 143 and gas-to-gas heat exchanger 144, gas handling system 140 can be according to exhaust streams
The monitoring parameters reed time controll electric adjustable of quantity sensor 151, intake flow sensor 142 and air inlet gas concentration sensor 141
Save valve；It is sequentially connected extraction flow sensor 151 in the exhaust system 150, is vented gas concentration sensor 152, is electronic
Regulating valve II 153 and gas-to-gas heat exchanger 144, extraction flow sensor 151 and exhaust gas concentration sensor 152 can bases
Gas density in extraction flow and flue gas can analyze device operating status, such as gas oxidation efficiency, gas utilization amount
Deng, and then control II 153 pairs of gas intake and exhaust flows of electric control valve and be adjusted.
The principle process of embodiment 1:
A, start-up course: enter gas handling system 140 after mixing from the gas and ventilating gas of extraction pumping plant extraction, pass through
Simultaneously reed time controll is electronic for 142 pairs of mixing Gas explosion burns real-time monitorings of air inlet gas concentration sensor 141 and intake flow sensor
Regulating valve I 143, gas enter starting combustion chamber 130 after passing through fair current regenerative oxidation bed 110, and the starting operation of burner 131 makes low
Concentration gas combustion generates heat and is conducted by high-temperature heat pipe I 112 and high-temperature heat pipe II 122 to 110 He of fair current regenerative oxidation bed
Adverse current regenerative oxidation bed 120 makes the temperature of its internal porous heat storage I 113 and porous regenerator body II 123 reach gas accumulation of heat combustion
After burning minimum temperature requirement, device is operated normally；
B, operational process: gas passes sequentially through air inlet uniform flow room 211 and porous regenerator body I in fair current regenerative oxidation bed 110
113, and regenerative oxidation is first carried out inside it；After part gas burns away in starting combustion chamber 130, adverse current accumulation of heat is entered back into
Oxidation bed 120 after tail gas carries out regenerative oxidation in porous regenerator body II 123, passes sequentially through exhaust 121 He of uniform flow room
144 discharger of gas-to-gas heat exchanger；Flue gas is discharged in gas-to-gas heat exchanger 144 by remaining heat transfer to air inlet mixing gas,
Air inlet gas is preheated, to save the fuel consumption of gas heating；Heat is generated in device passes through fair current heat collector
114, inside heat removing device 132 and adverse current heat collector 124 are utilized.The high-temperature heat pipe I 112 and high-temperature heat pipe II 122 can
The heat generated in combustion chamber 130 will be started to be rapidly transferred in porous regenerator body I 113 and porous regenerator body II 123, and filled
Setting is uniformly distributed oxidation bed internal temperature in operational process.After the oxidation unit starting, gas can pass through initial accumulation of heat
Burning, high-temp combustion and flue gas heat-accumulation combustion three phases.121 top of air inlet uniform flow room 211 and exhaust uniform flow room
Waste heat can be recycled by fair current heat collector 114 and adverse current heat collector 124.Flue gas in the exhaust system 150
Waste heat can preheat air inlet gas in gas-to-gas heat exchanger 144, and without gas exchanges.
In another embodiment 2 shown in Fig. 2, a kind of coal mine gas one-way flow concentration self-adapting oxidation unit (with
It is the place different from embodiment 1 that flowering structure, which describes emphasis, and the mutually isostructural description in part is omitted, referring in particular to above-mentioned
The associated description of embodiment 1 carrys out the organization plan of comprehensive understanding embodiment 2, also similarly to the understanding of embodiment 1), including successively
Gas handling system 240, fair current regenerative oxidation bed 210, starting combustion chamber 230, adverse current regenerative oxidation bed 220 and the exhaust system of connection
250.Fair current regenerative oxidation bed 210, starting combustion chamber 230 and the adverse current regenerative oxidation bed 220, which is commonly mounted on to have, to be protected
Inside the shell 260 of warm thermal insulation layer 261；It is additionally provided with and adds between fair current regenerative oxidation bed 210 and adverse current regenerative oxidation bed 220
Thick heat insulation layer 262；The purpose of designed enclosures 260 and heat insulation layer 261 is to be not easy oxidation unit internal heat
It scatters and disappears, maintains its running temperature, methane regenerative oxidation needs can just carry out under the conditions of certain temperature, and fair current regenerative oxidation bed
Spot temperature between 210 and adverse current regenerative oxidation bed 220 is higher, needs to thicken it, prevents from damaging, therefore adds thickening
Heat insulation layer 262.Air inlet gas concentration sensor 241, air-flow sensing are disposed in the gas handling system 240
Device 242, electric control valve and gas-to-gas heat exchanger 244, the gas-to-gas heat exchanger 244 utilize discharge fume afterheat pre-heating intaking watt
This, 244 upper half side of gas-to-gas heat exchanger connects electric control valve I 243, and the other side connects air inlet uniform flow room 211, and gas-gas is changed
Hot 244 lower half side of device connects electric control valve I 243, other side connection exhaust uniform flow room 221；In the gas-to-gas heat exchanger
The several high-temperature heat pipes III 245 of arranged for interval are gone back in 244, to improve the heat exchange efficiency between high-temperature flue gas and raw material device in Gas；Into
The end of gas system 240 is connected with the bottom air inlet of fair current regenerative oxidation bed 210；The fair current regenerative oxidation bed 210
Bottom be equipped with air inlet uniform flow room 211, the top of fair current regenerative oxidation bed 210 is filled with porous regenerator body I 213；Described is inverse
The bottom for flowing regenerative oxidation bed 220 is equipped with exhaust uniform flow room 221, and the top of adverse current regenerative oxidation bed 220 is filled with porous regenerator
Body II 223；High-temperature heat pipe I 212 and high-temperature heat pipe II 222 inside the porous regenerator body I 213 and porous regenerator body II 223
It is more and equidistant arrangement, high-temperature heat pipe can be conducted heat storage internal high temperature area's heat to heat storage by medium in managing
Portion's low-temperature space, more and equidistant arrangement can make entire regenerator temperature be more evenly distributed, and be conducive to gas regenerative oxidation；Fair current stores
Equidistant placement has several temperature sensors I 215 and temperature to the side wall of thermal oxide bed 210 and adverse current regenerative oxidation bed 220 respectively
Porous regenerator body I 213 and porous is inserted into the end of sensor II 225, temperature sensor I 215 and temperature sensor II 225 respectively
In heat storage II 223.Temperature sensor III 216 is respectively arranged in the air inlet uniform flow room 211 and exhaust uniform flow room 221
With temperature sensor IV 226, temperature sensor III 216 and IV 226 end of temperature sensor are located at 211 He of air inlet uniform flow room
It is vented 221 medium position of uniform flow room.Air inlet uniform flow is additionally provided between air inlet uniform flow room 211 and porous regenerator body I 213
Device 217 is provided with exhaust flow homogenizer 227 between exhaust uniform flow room 221 and porous regenerator body II 223, adds air inlet flow homogenizer
217, with after exhaust flow homogenizer 227, can make methane gas in air inlet uniform flow room 211 avoid device in Gas even into porous regenerator body
Body is unevenly distributed in porous regenerator body, improves device oxidation efficiency.The exhaust system 250 and adverse current regenerative oxidation bed
220 are connected, and extraction flow sensor 251 is equipped in exhaust system 250.The starting combustion chamber 230 is provided with built-in
Formula inside heat removing device 232 and starting burner 231.The top of the starting combustion chamber 230 is located at starting 231 two sides of burner point
It She Zhi not temperature sensor V 233 and temperature sensor VI 234.Gas regenerative oxidation is needed just can be under the conditions of certain temperature
Row, temperature sensor I 215, temperature sensor II 225, temperature sensor III 216, temperature sensor IV 226, temperature sensor
V 233 and temperature sensor VI 234 device operating status can be monitored in real time, it is judged whether normal operation, so as to right
Device operating parameter is adjusted, and makes its normal operation.It successively installs the high-temperature medium outlet 270 of the inside heat removing device 232
There are heat collector outlet pressure sensor 271, heat collector outlet flow sensor 272 and heat collector outlet shutoff valve 273, low temperature
Medium inlet 280 is sequentially installed with heat collector inlet pressure transducer 281, heat collector inlet flow rate sensor 282 and heat collector
Inlet stop valve 283；The interior media of inside heat removing device 232 can be gas phase, installation by liquid phase when by oxidation unit
Heat collector outlet pressure sensor 271, heat collector outlet flow sensor 272, heat collector outlet shutoff valve 273, heat collector enter
Mouth pressure sensor 281, heat collector inlet flow rate sensor 282 and heat collector inlet stop valve 283 are to transport to heat collector
Row state is monitored, and prevents safety accident, while thermal effect can be taken to evaluate it.
The course of work of embodiment 2:
A, start-up course: coal extraction gas and ventilating gas enter gas handling system 240, pass through intake flow sensor
241,241 pairs of mixing Gas explosion burns real-time monitorings of intake flow sensor 242 and air inlet gas concentration sensor and reed time controll
Electric control valve, gas enter starting combustion chamber 230 after passing through fair current regenerative oxidation bed 210, and the starting operation of burner 231 makes low
Concentration gas combustion generates heat and is conducted by high-temperature heat pipe I 212 and high-temperature heat pipe II 222 to 210 He of fair current regenerative oxidation bed
Adverse current regenerative oxidation bed 220 makes the temperature of its internal porous heat storage I 213 and porous regenerator body II 223 reach gas accumulation of heat combustion
After burning minimum temperature requirement, device is operated normally.
B, operational process: gas passes sequentially through air inlet uniform flow room 211, air inlet flow homogenizer 217 in fair current regenerative oxidation bed 210
With porous regenerator body I 213, and regenerative oxidation is first carried out inside it；After part gas burns away in starting combustion chamber 230,
Adverse current regenerative oxidation bed 220 is entered back into, after tail gas carries out regenerative oxidation in porous regenerator body II 223, the row of passing sequentially through
Gas flow homogenizer 227, exhaust uniform flow room 221 and 244 discharger of gas-to-gas heat exchanger；Flue gas is discharged in gas-to-gas heat exchanger 244
By high-temperature heat pipe by remaining heat transfer to air inlet mixing gas, air inlet gas is preheated, to save gas heating
Fuel consumption.
The above is only presently preferred embodiments of the present invention, not does limitation in any form to the present invention, it is all according to
According to technical spirit of the invention, any simple modification and same variation are made to above embodiments, each fall within guarantor of the invention
Within the scope of shield.
Claims (10)
1. a kind of coal mine gas one-way flow concentration self-adapting oxidation unit, it is characterized in that: including the gas handling system being sequentially communicated
(140,240), fair current regenerative oxidation bed (110,210), starting combustion chamber (130,230), adverse current regenerative oxidation bed (120,220)
With exhaust system (150,250), fair current regenerative oxidation bed (110,210), starting combustion chamber (130,230) and adverse current regenerative oxidation
Bed (120,220) is arranged in inverted " u "-shaped structure；Air inlet gas density is disposed in the gas handling system (140,240)
Sensor (141,241), intake flow sensor (142,242), electric control valve I (143,243) and gas-to-gas heat exchanger
(144,244), gas-to-gas heat exchanger (144,244) are divided into two parts by sealing partition, and top and gas handling system (140,240) are even
It connecing, lower part and exhaust system (150,250) connect, the end of gas handling system (140,240) and fair current regenerative oxidation bed (110,
210) bottom air inlet is connected；The bottom of the fair current regenerative oxidation bed (110,210) be equipped with air inlet uniform flow room (111,
211), air inlet uniform flow room (111,211) top is filled with porous regenerator body I (113,213), porous regenerator body I (113,213)
Inner upper is provided with high-temperature heat pipe I (112,212)；The bottom of the adverse current regenerative oxidation bed (120,220) is equipped with exhaust
The top of uniform flow room (121,221), exhaust uniform flow room (121,221) is filled with porous regenerator body II (123,223), porous regenerator
The inner upper of body II (123,223) is provided with high-temperature heat pipe II (122,222)；In the starting combustion chamber (130,230)
It is provided with inside heat removing device (132,232), middle part top is also equipped with starting burner (131,231)；Porous regenerator body I
(113,213) high-temperature heat pipe I (112,212) and high-temperature heat pipe II (122,222) point and in porous regenerator body II (123,223)
It is not connected with starting combustion chamber (130,230)；The exhaust system (150,250) by gas-to-gas heat exchanger (144,244) with
Adverse current regenerative oxidation bed (120,220) is connected.
2. a kind of coal mine gas one-way flow concentration self-adapting oxidation unit according to claim 1, it is characterized in that: in institute
State porous regenerator body I (113) and porous regenerator body II (123) lower inside be also respectively provided with fair current heat collector (114) and
Adverse current heat collector (124)；Fair current heat collector (114), inside heat removing device (132) and adverse current heat collector (124) are all made of back-shaped cloth
Office.
3. a kind of coal mine gas one-way flow concentration self-adapting oxidation unit according to claim 1 or 2, it is characterized in that:
Also it is connected with extraction flow sensor (151), exhaust gas concentration sensor (152) in the exhaust system (150) in turn
With electric control valve II (153).
4. a kind of coal mine gas one-way flow concentration self-adapting oxidation unit according to claim 1, it is characterized in that: described
High-temperature heat pipe I (212) and high-temperature heat pipe II (222) inside porous regenerator body I (213) and porous regenerator body II (223) are
More and equidistant arrangement, fair current regenerative oxidation bed (210) and adverse current regenerative oxidation bed (220) if side wall equidistant placement has respectively
Dry temperature sensor I (215) and temperature sensor II (225), temperature sensor I (215) and temperature sensor II (225)
End is inserted into respectively in porous regenerator body I (213) and porous regenerator body II (223).
5. a kind of coal mine gas one-way flow concentration self-adapting oxidation unit according to claim 1, it is characterized in that: in institute
The air inlet uniform flow room (211) and exhaust uniform flow room (221) stated are interior to be respectively arranged with temperature sensor III (216) and temperature sensor
IV (226), temperature sensor III (216) and temperature sensor IV (226) end are located at air inlet uniform flow room (211) and exhaust
Uniform flow room (221) medium position.
6. a kind of coal mine gas one-way flow concentration self-adapting oxidation unit according to claim 1, it is characterized in that: in institute
It states and is additionally provided with air inlet flow homogenizer (217) between air inlet uniform flow room (211) and porous regenerator body I (213), in exhaust uniform flow room
(221) exhaust flow homogenizer (227) is provided between porous regenerator body II (223).
7. a kind of coal mine gas one-way flow concentration self-adapting oxidation unit according to claim 1, it is characterized in that: described
The top of starting combustion chamber (230) is located at starting burner (231) two sides and temperature sensor V (233) and temperature biography is respectively set
Sensor VI (234).
8. a kind of coal mine gas one-way flow concentration self-adapting oxidation unit according to claim 1, it is characterized in that: in institute
It states and goes back more high-temperature heat pipes III (245) of arranged for interval in gas-to-gas heat exchanger (244).
9. a kind of coal mine gas one-way flow concentration self-adapting oxidation unit according to claim 1, it is characterized in that: described
Fair current regenerative oxidation bed (210), starting combustion chamber (230) and adverse current regenerative oxidation bed (220) be commonly mounted on have keep the temperature
The shell (260) of thermal insulation layer (261) is internal；It is also set between fair current regenerative oxidation bed (210) and adverse current regenerative oxidation bed (220)
It is equipped with and thickeies heat insulation layer (262).
10. a kind of coal mine gas one-way flow concentration self-adapting oxidation unit according to claim 1, it is characterized in that: institute
The high-temperature medium outlet (270) for stating inside heat removing device (232) is sequentially installed with heat collector outlet pressure sensor (271), takes heat
Device outlet flow sensor (272) and heat collector outlet shutoff valve (273), cryogenic media entrance (280), which is sequentially installed with, to be taken
Hot device inlet pressure transducer (281), heat collector inlet flow rate sensor (282) and heat collector inlet stop valve (283).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811145893.3A CN109297036B (en) | 2018-09-29 | 2018-09-29 | Self-adaptive oxidation device for unidirectional flowing concentration of coal mine gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811145893.3A CN109297036B (en) | 2018-09-29 | 2018-09-29 | Self-adaptive oxidation device for unidirectional flowing concentration of coal mine gas |
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| CN109297036A true CN109297036A (en) | 2019-02-01 |
| CN109297036B CN109297036B (en) | 2023-09-12 |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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