CN107191946B - Five cell structure methane oxidized apparatus of one kind and its operation method - Google Patents
Five cell structure methane oxidized apparatus of one kind and its operation method Download PDFInfo
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- CN107191946B CN107191946B CN201710599943.4A CN201710599943A CN107191946B CN 107191946 B CN107191946 B CN 107191946B CN 201710599943 A CN201710599943 A CN 201710599943A CN 107191946 B CN107191946 B CN 107191946B
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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
Abstract
The invention belongs to gas disposal processing method or device fields, specifically related to a kind of five cell structure methane oxidized apparatus and its operation method, the regenerative chamber being separated from each other including five and the combustion chamber being connected to regenerative chamber, thermal storage ceramic is equipped in regenerative chamber, starting auxiliary combustion equipment is mounted on combustion chamber, waste heat boiler is connect with combustion chamber pipeline, conveyance conduit is equipped with below regenerative chamber, reversal valve there are two being set on conveyance conduit, the left and right side of conveyance conduit is respectively equipped with main air blower and chimney, intake valve is separately installed between each regenerative chamber and conveyance conduit, blow down valve and air outlet valve, conveyance conduit is communicated with the pipeline where intake valve and air outlet valve, purging motor is equipped with below regenerative chamber, the air outlet of purging motor is connected with blower duct, blower duct is communicated with the pipeline where blow down valve, solves five cell structure gas oxidation dress When gas source or other factors in setting fluctuate, the problem of exception of temperature gradient may jeopardize regenerative chamber operational safety.
Description
Technical field
The invention belongs to gas disposal processing method or device fields, and in particular to a kind of five cell structure gas oxidation dress
It sets and its operation method.
Background technique
Coal mine gas (also known as " coal bed gas ") is preservation in coal seam and its country rock, is existed with absorption or free state
, with methane Unconventional gas as main component.China's coal bed gas resource is abundant, according to known to new round of resources evaluation: I
2000 meters of state is about 36.81 tcms with shallow Coal bed gas project, is equivalent to 49,000,000,000 tons of standard coals, arranges third place in the world
Position.But it is that coal bed gas gas output per well is too low that current China's cbm development industry development, which has the reality that can not ignore, economical
Benefit is lower, and industry faces in straitened circumstances.Coalmine ventilation gas and concentration are lower than 8% mash gas extraction, and discharge amount is big and utilization efficiency
Low, emptying for a long time causes huge energy waste, and the discharge of the gas significantly enhances greenhouse effects.Using watt
This regenerative oxidation technology by ventilation air gas and concentration lower than 8% or can not by conventional route using gas carry out at destruction
Reason, has great importance for energy conservation and environmental protection.
Gas regenerative oxidation device has fixed cell structure and rotation for the core technology equipment that gas regenerative oxidation utilizes
Cell structure, at present colliery scene with fix cell structure using relatively broad.The gas regenerative oxidation device of fixed cell structure,
Mainly there are Room 2, Room 3, Room 5 or more.The oxidation unit of fixed cell structure can reduce single chamber watt by the number of chambers is increased
The flow of this gas circulation, reduces the size of change-over valve, realizes more reliable, quick commutation control, and by reducing commutation
The methane gas of process escape, further increases gas oxidation efficiency.
This method of operation of current 5 cell structure methane oxidized apparatus often will appear each room temperature gradient rule exception
Situation, by change commutating period method it is very limited to the regulating power of temperature gradient, it is higher in load, as gas source or its
When his factor fluctuation, the exception of temperature gradient may jeopardize the safety of regenerative chamber operation.
Summary of the invention
In view of this, when the present invention is in order to solve gas source or the other factors fluctuation in five cell structure methane oxidized apparatus,
The exception of temperature gradient may jeopardize the problem of regenerative chamber operational safety, provide a kind of five cell structure gas regenerative oxidation devices
And its operation method.
In order to achieve the above objectives, the invention provides the following technical scheme: including five regenerative chambers and accumulation of heat being separated from each other
Combustion chamber, starting auxiliary combustion equipment and the waste heat boiler of room connection, the regenerative chamber is interior to be equipped with thermal storage ceramic, the combustion-supporting dress of starting
It sets and is mounted on combustion chamber, the waste heat boiler is connect with combustion chamber pipeline, and conveyance conduit is equipped with below the regenerative chamber, described
It is set on conveyance conduit there are two reversal valve, the left and right side of the conveyance conduit is respectively equipped with main air blower and chimney, each storage
Intake valve, blow down valve and air outlet valve, the conveyance conduit and intake valve and outlet are separately installed between hot cell and conveyance conduit
Pipeline where valve communicates, and purging motor is equipped with below the regenerative chamber, and the air outlet of the purging motor is connected with blower
Road, the blower duct are communicated with the pipeline where blow down valve.
Further, exhaust outlet and smoke outlet are offered on the waste heat boiler, be connected on the exhaust outlet heating room and
Bathroom connects chimney on the smoke outlet.
Further, further include extraction pumping plant, be connected with low concentration gas transportation system on the extraction pumping plant in turn and mix
Mixed device, the mixing machine are connected to conveyance conduit, and the main air blower is mounted between mixing machine and conveyance conduit.
Further, several returnairshaft retention towers are connected on the mixing machine.
A kind of operation method of five cell structures methane oxidized apparatus, includes the following steps:
A, by the open and close state of valve in setting regenerative chamber, regenerative chamber is divided into 5 kinds of circulations, wherein circulation one is
Inlet open in two regenerative chambers, the air outlet valve in two regenerative chambers are opened, and the blow down valve in a regenerative chamber is opened, and is followed
Ring two is the inlet open in three regenerative chambers, and the air outlet valve in two regenerative chambers is opened, and circulation three is in two regenerative chamber
Inlet open, the air outlet valve in two regenerative chambers opens, and intake valve, air outlet valve and the blow down valve in a regenerative chamber close
It closes, circulation four is the inlet open in two regenerative chambers, and the air outlet valve in three regenerative chambers is opened, and circulation five is two accumulation of heats
Inlet open on room, the air outlet valve in two regenerative chambers are opened, intake valve, air outlet valve and the blow down valve in a regenerative chamber
It is turned off, regenerative chamber is continuously run in cycles according to the circulating path of circulation one to circulation five, wherein between each circulation
Switching is subject to and only changes there are two the flow direction of regenerative chamber；
B, enter in mixing machine from the gas of extraction pumping plant extraction through low concentration gas transportation system, while returnairshaft is spread
Ventilation air gas in tower also enters mixing machine, and the gas of extraction is delivered to after mixing machine mixes by main air blower with ventilation air gas
Conveyance conduit below regenerative chamber adjusts the reversal valve on valve and conveyance conduit in regenerative chamber according to the setting of step A,
So that the gas in conveyance conduit enters regenerative chamber and combustion chamber according to the path of setting；
C, start auxiliary combustion equipment, mixed gas constantly enters combustion chamber progress by intake valve in step B mixing machine
The waste heat of oxidation reaction, oxidation reaction release carries out the secondary use of heat, while the flue gas generated by waste heat boiler
It is discharged from chimney.
Further, in step A every kind of regenerative chamber be circularly set as 5 operating statuses so that circulation five-way circulation one
When next operating status switches, it is only necessary to which the flow direction of a regenerative chamber changes.
Further, purging motor is kept to open while the blow down valve in step A is opened, the Purge methods of purging motor are
It is inversely purged from the bottom to top along regenerative chamber, purging is outside air or the part low-temperature flue gas that should drain into chimney with gas.
The beneficial effects of the present invention are:
1, a kind of five cell structure methane oxidized apparatus of the present invention, are connected to for five regenerative chambers being separated from each other, with regenerative chamber
The part such as combustion chamber, change-over valve, conveyance conduit, purging motor form.The current main method of operation are as follows: according to following for setting
Ring mode and the valve opening of setting sequentially open intake valve, air outlet valve and the blow down valve in five regenerative chambers.Such as it follows
Ring one is the inlet open in two regenerative chambers, and the air outlet valve in two regenerative chambers is opened, the blow down valve in a regenerative chamber
It opens, the gaseous mixture (melting concn about 1% or less) of ventilation air gas or ventilation air gas and mash gas extraction, by two regenerative chambers
Intake valve enters combustion chamber, and oxidation reaction occurs in the combustion chamber and discharges heat, the heat released makes pottery the accumulation of heat of regenerative chamber
Porcelain is preheated to reaction temperature, maintains the extra heat outside gas regenerative oxidation apparatus system autothermal equilibrium in the form of high-temperature flue gas from top
Portion's taking port is expelled to waste heat boiler and is utilized, and rest part flue gas is from the air outlet valve outflow in adjacent regenerative chamber, by heat
It is stored in the thermal storage ceramic of outflow side regenerative chamber, and drain into chimney through reversal valve.Another regenerative chamber uses purging motor
It is purged, Purge methods are inversely to be purged from the bottom to top along regenerative chamber, and purging is outside air with gas or should drain into
The part low-temperature flue gas of chimney.Circulation two is switched to after circulation one, successively from circulation one to the circulating path of circulation five week
And renew and continuously run, when each switching to subsequent cycle after circulation terminates, it need to be matched with the switching time of each regenerative chamber
Closing operation in advance or delays 2~3s to switch over, and guarantees that the switching between the switching and operating status between circulation is wherein
The state of 2 regenerative chambers changes, and influence of the reduction handoff procedure to main air blower as far as possible solves five cell structure gas storage
Thermal oxidation apparatus operational process temperature gradient exception and it is difficult to the hidden danger adjusted.
2, a kind of five cell structure methane oxidized apparatus of the present invention, in regenerative chamber on the switching time cooperation conveyance conduit of valve
The adjusting of reversal valve switching time can preferably respond load fluctuation and fluctuation of concentration, improve five cell structure gas accumulation of heats
The safety in operation of oxidation unit.
Detailed description of the invention
In order to keep the purpose of the present invention, technical scheme and beneficial effects clearer, the present invention provides following attached drawing and carries out
Illustrate:
Fig. 1 is five cell structure methane oxidized apparatus structural schematic diagrams of the invention.
Specific embodiment
Below in conjunction with attached drawing, a preferred embodiment of the present invention will be described in detail.
Appended drawing reference in Figure of description includes:
Extraction pumping plant 11, low concentration gas transportation system 12, mixing machine 13, returnairshaft retention tower 14, main air blower 15, starting
Auxiliary combustion equipment 16, combustion chamber 17, waste heat boiler 18, heating room 19, bathroom 20, purging motor 21, chimney 22, regenerative chamber 23,
Intake valve 24, air outlet valve 25, blow down valve 26.
The method that five cell structure methane oxidized apparatus of the invention use five kinds of endless form sequence switchover operations, every kind is followed
Ring mode is divided into five operating statuses again, and the runing time of each operating status is adjusted and is controlled with reversal valve.Regenerative chamber
Five regenerative chambers are from left to right respectively indicated with A, B, C, D and E.Use " into ", " out ", " blowing " and "None" respectively indicate air inlet,
Outlet, purging and without purge.
Five cell structure methane oxidized apparatus of one kind as shown in Figure 1, including five regenerative chambers being separated from each other 23 and accumulation of heat
Combustion chamber 17, starting auxiliary combustion equipment 16 and the waste heat boiler 18 that room 23 is connected to, the interior installation honeycomb regenerator ceramics of regenerative chamber 23 carry out
Heat is absorbed, starting auxiliary combustion equipment 16 is mounted on combustion chamber 17, and waste heat boiler 18 is connect with combustion chamber 17 by pipeline, waste heat
Exhaust outlet and smoke outlet are offered on boiler 18, and heating room 19 and bathroom 20 are connected on exhaust outlet, connects chimney on smoke outlet
22.The gas for being delivered to regenerative chamber 23 from conveyance conduit enters regenerative chamber 23 and combustion chamber 17 by intake valve 24, in combustion chamber
Oxidation reaction occurs in 17 and discharges heat, heat a part of release is adsorbed in the thermal storage ceramic in regenerative chamber 23, another portion
Divide extra heat taking port from top in the form of high-temperature flue gas to be expelled in waste heat boiler 18 and is collected utilization.Extra
Flue gas is expelled in chimney 22.
It is equipped with conveyance conduit below regenerative chamber 23, low concentration gas transportation system 12 is sequentially connected on extraction pumping plant 11 and mixes
Mixed device 13, mixing machine 13 are connected to conveyance conduit, and main air blower 15 is mounted between mixing machine 13 and conveyance conduit, on mixing machine 13
Connect two returnairshaft retention towers 14.It is set on conveyance conduit there are two reversal valve, the left and right side of conveyance conduit is respectively equipped with
Main air blower 15 and chimney 22 are separately installed with intake valve 24, blow down valve 26 and outlet between each regenerative chamber 23 and conveyance conduit
Valve 25, conveyance conduit communicate with the pipeline where intake valve 24 and air outlet valve 25, purging motor 21 are equipped with below regenerative chamber 23, is blown
The air outlet of swing flap machine 21 is connected with blower duct, and blower duct is communicated with the pipeline where blow down valve 26.
A kind of operation method of five cell structures gas regenerative oxidation device, includes the following steps:
A, by the open and close state of valve in setting regenerative chamber 23, regenerative chamber 23 is divided and is recycled for 5 kinds, every kind of circulation
5 operating statuses are set as, so that when next operating status switching of circulation five-way circulation one, it is only necessary to a regenerative chamber 23
Flow direction change, while recycling one and being opened for the intake valve 24 in two regenerative chambers 23, the outlet in two regenerative chambers 23
Valve 25 is opened, and the blow down valve 26 in a regenerative chamber 23 is opened, and circulation two is opened for the intake valve 24 in three regenerative chambers 23, and two
Air outlet valve 25 in a regenerative chamber 23 is opened, and circulation three is opened for the intake valve 24 in two regenerative chambers 23, two regenerative chambers 23
On air outlet valve 25 open, intake valve 24, air outlet valve 25 and the blow down valve 26 in a regenerative chamber 23 are turned off, and circulation four is two
Intake valve 24 in a regenerative chamber 23 is opened, and the air outlet valve 25 in three regenerative chambers 23 is opened, and circulation five is two regenerative chambers 23
On intake valve 24 open, the air outlet valve 25 in two regenerative chambers 23 is opened, intake valve 24, air outlet valve in a regenerative chamber 23
25 and blow down valve 26 be turned off, regenerative chamber 23 according to circulation one to circulation five circulating path continuously run in cycles, wherein
Switching between each circulation is subject to and only changes there are two the flow direction of regenerative chamber 23；
Recycle one: 2 Room air inlet, 2 Room outlets, the purging of Room 1
Recycle two: 3 Room air inlets, 2 Room outlets, without purging
| A | B | C | D | E | |
| State 1 | Into | Into | Into | Out | Out |
| State 2 | Out | Into | Into | Into | Out |
| State 3 | Out | Out | Into | Into | Into |
| State 4 | Into | Out | Out | Into | Into |
| State 5 | Into | Into | Out | Out | Into |
Recycle three, 2 Room air inlets, 2 Room outlets, without purging
| A | B | C | D | E | |
| State 1 | Into | Into | Out | Out | Nothing |
| State 2 | Nothing | Into | Into | Out | Out |
| State 3 | Out | Nothing | Into | Into | Out |
| State 4 | Out | Out | Nothing | Into | Into |
| State 5 | Into | Out | Out | Nothing | Into |
Recycle four: 2 Room air inlets, 3 Room outlets, without purging
| A | B | C | D | E | |
| State 1 | Into | Into | Out | Out | Out |
| State 2 | Out | Into | Into | Out | Out |
| State 3 | Out | Out | Into | Into | Out |
| State 4 | Out | Out | Out | Into | Into |
| State 5 | Into | Out | Out | Out | Into |
Recycle five: 2 Room air inlets, 2 Room outlets, without purging
| A | B | C | D | E | |
| State 1 | Nothing | Into | Into | Out | Out |
| State 2 | Out | Nothing | Into | Into | Out |
| State 3 | Out | Out | Nothing | Into | Into |
| State 4 | Into | Out | Out | Nothing | Into |
| State 5 | Into | Into | Out | Out | Nothing |
B, five accumulation of heats are adjusted according to five operating statuses in five circulations and each circulation of step A setting
Intake valve 24, air outlet valve 25 and blow down valve 26 on room 23, specific circulation process are as follows: the state 1 of circulation one to circulation five carries out
It circuits sequentially, the state 2 of circulation one is carried out after the state 1 for recycling five, continuously run in cycles according to this sequence.Each
When switching to subsequent cycle after circulation terminates, compounding practice need to be carried out with the switching time of each regenerative chamber 23, in advance or delay 2
~3s is switched over, and guarantees that the switching between switching and state between circulation is that the state of wherein 2 rooms changes, to the greatest extent
Influence of the handoff procedure to main air blower 15 may be reduced；
C, enter in mixing machine 13 from the gas of 11 extraction of extraction pumping plant through low concentration gas transportation system 12, while return air
Ventilation air gas in well retention tower 14 also enters mixing machine 13, the gas of extraction and ventilation air gas after mixing machine 13 mixes by
Main air blower 15 is delivered to the conveyance conduit of the lower section of regenerative chamber 23, according in the setting adjustment regenerative chamber 23 of step A valve and
Reversal valve on conveyance conduit, so that the gas in conveyance conduit enters regenerative chamber 23 and combustion chamber 17 according to the path of setting；
D, start auxiliary combustion equipment 16, mixed gas constantly enters burning by intake valve 24 in step B mixing machine 13
Room 17 carries out oxidation reaction, and the waste heat of oxidation reaction release carries out the secondary use of heat by waste heat boiler 18, simultaneously
The flue gas of generation is discharged from chimney 22.
It is illustrated so that the gas regenerative oxidation of certain construction of coal mine is using system as an example.The gas regenerative oxidation of the system fills
Setting treatment scale is 90,000 Nm3/h, and processing gas source is the mixed gas of ventilation air gas and mash gas extraction, concentration average out to after mixing
1.2%, the high-temperature flue gas that oxidation unit generates generates superheated steam supply constructure heating and bathing etc. through waste heat boiler 18 and bears
Lotus demand.System process such as Fig. 1:
Mash gas extraction is delivered in mixing machine 13 through low concentration gas transportation system 12, while in returnairshaft retention tower 14
Ventilation air gas also enters mixing machine 13, and the gas of extraction is mixed with ventilation air gas in mixing machine 13, concentration about 1.2% after mixing.
Uniformly mixed device in Gas is delivered to gas regenerative chamber 23 through main air blower 15, and oxidation reaction occurs wherein and discharges heat, will
Extra heat is delivered to waste heat boiler 18 with high-temperature flue gas other than maintenance system self heat balance, and the overheat for generating high temperature is steamed
Vapour, is delivered to the place of the thermal load demands such as constructure heating room 19 and bathroom 20, and the extra flue gas of generation is delivered to chimney
22。
In the process of running, about 1000~1100 DEG C of 17 temperature of combustion chamber, five 23 top layer's temperature about 1000 of regenerative chamber
DEG C, middle layer temperature-averaging is 600~800 DEG C, and lower layer's mean temperature is about 120~300 DEG C.The valve commutating period of five rooms
Average out to 90s.To avoid 23 temperature gradient exception of regenerative chamber and being difficult to the case where adjusting, circulation one to the switching of circulation five is used
Operation method, after tested, the switching time of each regenerative chamber 23 are respectively set to 86s, 88s, 90s, 92s and 94s, and each follow
The regenerative chamber 23 that need to commutate is asynchronous with the commutation action of valve in regenerative chamber 23 when ring status switches (extend again or in advance 1s).
Switch over the switching between each circulation for criterion only to change there are two the flow direction of regenerative chamber 23.
Finally, it is stated that preferred embodiment above is only used to illustrate the technical scheme of the present invention and not to limit it, although logical
It crosses above preferred embodiment the present invention is described in detail, however, those skilled in the art should understand that, can be
Various changes are made to it in form and in details, without departing from claims of the present invention limited range.
Claims (7)
1. a kind of operation method of five cell structure methane oxidized apparatus, which comprises the steps of:
A, by the open and close state of valve in setting regenerative chamber, regenerative chamber is divided into 5 kinds of circulations, wherein circulation one is two
Inlet open in regenerative chamber, the air outlet valve in two regenerative chambers are opened, and the blow down valve in a regenerative chamber is opened, circulation two
For the inlet open in three regenerative chambers, the air outlet valve in two regenerative chambers is opened, circulation three in two regenerative chambers into
Air valve is opened, and the air outlet valve in two regenerative chambers is opened, and intake valve, air outlet valve and the blow down valve in a regenerative chamber are turned off,
Circulation four is the inlet open in two regenerative chambers, and the air outlet valve in three regenerative chambers is opened, and circulation five is two regenerative chambers
On inlet open, the air outlet valve in two regenerative chambers opens, and the intake valve, air outlet valve and blow down valve in a regenerative chamber are equal
It closes, regenerative chamber is continuously run in cycles according to the circulating path of circulation one to circulation five, wherein cutting between each circulation
It changes to be subject to and only change there are two the flow direction of regenerative chamber；
B, enter in mixing machine from the gas of extraction pumping plant extraction through low concentration gas transportation system, while in returnairshaft retention tower
Ventilation air gas also enter mixing machine, the gas of extraction is delivered to accumulation of heat by main air blower after mixing machine mixes with ventilation air gas
Conveyance conduit below room, according to the reversal valve on the valve and conveyance conduit in the setting adjustment regenerative chamber of step A, so that
Gas in conveyance conduit enters regenerative chamber and combustion chamber according to the path of setting；
C, start auxiliary combustion equipment, mixed gas constantly enters combustion chamber by intake valve and aoxidized in step B mixing machine
Reaction, the waste heat of oxidation reaction release carries out the secondary use of heat by waste heat boiler, while the flue gas of generation is from cigarette
Chimney discharge.
2. the operation method of five cell structures methane oxidized apparatus as described in claim 1, which is characterized in that accumulation of heat in step A
Every kind of room is circularly set as 5 operating statuses, so that when next operating status switching of circulation five-way circulation one, it is only necessary to
The flow direction of one regenerative chamber changes.
3. the operation method of five cell structures methane oxidized apparatus as described in claim 1, which is characterized in that blowing in step A
Sweeping while valve is opened keeps purging motor to open, and the Purge methods of purging motor are inversely to be blown from the bottom to top along regenerative chamber
It sweeps, purging is outside air or the part low-temperature flue gas that should drain into chimney with gas.
4. five cell structure methane oxidized apparatus used by a kind of operation method as described in claim 1, which is characterized in that including
Five regenerative chambers being separated from each other, the combustion chamber being connected to regenerative chamber, starting auxiliary combustion equipment and waste heat boiler, in the regenerative chamber
Equipped with thermal storage ceramic, the starting auxiliary combustion equipment is mounted on combustion chamber, and the waste heat boiler is connect with combustion chamber pipeline, described
It is equipped with conveyance conduit below regenerative chamber, sets that there are two reversal valve, the left and right sides of the conveyance conduit on the conveyance conduit
It is respectively equipped with main air blower and chimney, intake valve, blow down valve and air outlet valve are separately installed between each regenerative chamber and conveyance conduit,
The conveyance conduit is communicated with the pipeline where intake valve and air outlet valve, and purging motor is equipped with below the regenerative chamber, described to blow
The air outlet of swing flap machine is connected with blower duct, and the blower duct is communicated with the pipeline where blow down valve.
5. five cell structures methane oxidized apparatus as claimed in claim 4, which is characterized in that the row of offering on the waste heat boiler
Port and smoke outlet are connected with heating room and bathroom on the exhaust outlet, connect chimney on the smoke outlet.
6. five cell structures methane oxidized apparatus as claimed in claim 4, which is characterized in that further include extraction pumping plant, the pumping
It adopts and is connected with low concentration gas transportation system and mixing machine on pumping plant in turn, the mixing machine is connected to conveyance conduit, the master
Assembling is between mixing machine and conveyance conduit.
7. five cell structures methane oxidized apparatus as claimed in claim 6, which is characterized in that be connected on the mixing machine several
A returnairshaft retention tower.
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| CN109059010B (en) * | 2018-06-13 | 2020-03-24 | 重庆大学 | Low-concentration gas oxidation heat utilization device |
| CN108514810A (en) * | 2018-06-19 | 2018-09-11 | 山西文龙中美环能科技股份有限公司 | A kind of gas oxidative system |
| CN109404960B (en) * | 2018-10-30 | 2019-10-01 | 中煤科工集团重庆研究院有限公司 | The vertical bell warm area gradient symmetry control method of more RTO |
| CN110345497B (en) * | 2019-07-11 | 2020-09-11 | 常州大恒环保科技有限公司 | Waste heat recovery's rotation type RTO |
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| 松藻打通一矿瓦斯蓄热氧化利用试验研究;高鹏飞;《能源与环保》;20170531;16-19页 * |
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