CN208330282U - A kind of equipment system using super low-concentration gas oxidation heat source - Google Patents
A kind of equipment system using super low-concentration gas oxidation heat source Download PDFInfo
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- CN208330282U CN208330282U CN201821011146.6U CN201821011146U CN208330282U CN 208330282 U CN208330282 U CN 208330282U CN 201821011146 U CN201821011146 U CN 201821011146U CN 208330282 U CN208330282 U CN 208330282U
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- heat
- heat exchanger
- radiator
- well head
- heat source
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Abstract
The utility model belongs to the recycling field of ultralow concentration gas combustion heat source, it is to realize to be supplied gas a little according to difference and adjust hot air temperature, guarantee that mixing hot and cold wind energy meets equipment requirement, provide a kind of equipment system that heat source can be aoxidized using super low-concentration gas, including methane oxidized apparatus, well head radiator and pit shaft, the hot fume of methane oxidized apparatus exports the heat-exchange system that temperature-controllable is connected between well head radiator, heat-exchange system includes the heat exchanger of several groups parallel connection, the flow control valve between heat exchanger and heat exchanger and radiator by crossing multiple groups parallel connection, to be adjusted into the quantity of hot air and temperature of radiator, and then the output mixing hot air temperature of radiator is controlled always at 2 DEG C or so.Meanwhile system that employs gas dual oxide device, which allows the upper limit of concentration for improving entrance gas to 3%, improves equipment safety, economy by increasing honeycomb catalyst between honeycomb regenerator ceramics and ceramic bead.
Description
Technical field
The utility model belongs to the technical field reapplied after ultralow concentration gas oxidation processes, and in particular to one kind can benefit
With the equipment system of super low-concentration gas oxidation heat source.
Background technique
The main component of gas is methane, and the carbon dioxide and water generated after burning can be discharged directly, meanwhile, and
The heat generated in combustion process can also be utilized.Therefore, it in progress of coal mining, will gradually be drained into atmosphere outside original
Gas burns for solving the problems, such as equipment, and the principle of equipment is exactly to heat to the cold air for entering mine,
Prevent roadway from freezing, it is desirable that be that the mixed temperature of cold-hot wind must not generally take 2 DEG C lower than 2 DEG C.But according to supplying gas a little not
Together, the selection of hot air temperature is also different, is sent to vertical shaft: taking 50 ~ 70 DEG C；It is sent to inclined shaft, galleries: taking 40 ~ 60 DEG C；It is sent to well head
Room: when being conveyed with ventilation blower, 30 ~ 50 DEG C are taken；When conveying without ventilation blower, 15 ~ 30 DEG C are taken.
Summary of the invention
The utility model is to guarantee that mixing hot and cold wind energy meets to realize to supply gas a little according to difference and adjust hot air temperature
Equipment requirement, and then provide a kind of equipment system that heat source can be aoxidized using super low-concentration gas.
The utility model adopts the following technical solution:
A kind of equipment system using super low-concentration gas oxidation heat source, including the heat dissipation of methane oxidized apparatus, well head
Device and pit shaft, well head radiator output end are connected to pit shaft, are connected between the hot fume outlet of methane oxidized apparatus and well head radiator
Be connected to the heat-exchange system of temperature-controllable, heat-exchange system includes the heat exchanger of several groups parallel connection, the input terminal of each heat exchanger respectively with
The hot fume outlet connection of methane oxidized apparatus, link circuit are equipped with on-off valve, and the output end and well head of each heat exchanger dissipate
Hot device connection；Water-flow circuit is equipped between each heat exchanger and well head radiator, including connected main water box and circulating pump, main water
Case is connected with well head radiator, link circuit is equipped with shutoff valve, and circulating pump is connect with heat exchanger, link circuit is equipped with flow
Regulating valve.
The output end of the well head radiator is equipped with temperature sensor, and target-finding value is 2 DEG C, if being lower than the target
Value need to adjust the cool water quantity of heat exchanger by flow control valve, to improve the hot-air temperature for entering radiator after heat exchanger exchanges heat
Angle value.
The main water box is circumscribed with moisturizing circuit, including connected water supply tank and small pump.System operation a period of time
After can generate water loss, need timing feed.
The methane oxidized apparatus uses dual oxide device, is arranged symmetrically in device there are two heat-storage catalytic room, two store
Partition wall is set between thermocatalytic room, the high-temperature flue gas outlet for connecting heat exchanger, two storages are provided with above heat-storage catalytic room
Thermocatalytic room bottom is respectively set inlet duct and outlet conduit, and two inlet ducts distinguish external ultralow concentration gas pipeline, and two
Outlet conduit distinguishes external net gas smoke discharging pipe, is both provided with entrance reversal valve on two inlet ducts, is arranged on two outlet conduits
Reversal valve is exported, entrance reversal valve and outlet reversal valve control a heat-storage catalytic room air inlet, another heat-storage catalytic room respectively
Smoke evacuation, and swap realization device continuous operation.
Filling from bottom to top is equipped with honeycomb regenerator ceramics, three floor of honeycomb catalyst and ceramic bead in the heat-storage catalytic room
Heat storage, honeycomb regenerator ceramics packed height 300mm~500mm；Honeycomb catalyst packed height 100mm~300mm；Ceramics are small
Ball packed height 300mm~500mm.
The upper end of the inlet duct and the outlet conduit is provided with grate plate, is that honeycomb regenerator is made pottery above grate plate
Porcelain.
The utility model has the following beneficial effects:
1, the flow control valve between the heat exchanger and heat exchanger and radiator that the system passes through multiple groups parallel connection, to adjust
Into the quantity of hot air and temperature of radiator, and then control the output mixing hot air temperature of radiator at 2 DEG C or so, Ji Nengman
The deicing requirements of the various pit shafts of foot, and not will cause the waste of heat source；
2, the temperature sensor of radiator output end has supervisory function bit, and when external PLC control terminal, remote controlled this is
The parameter values such as the circulating water flow of system and temperature；
3, gas dual oxide device is used, the device is by increasing honeycomb between honeycomb regenerator ceramics and ceramic bead
Catalyst, adjusting reaction temperature reduces, and react device in Gas will not before contacting catalyst, allows to improve the concentration of entrance gas
The upper limit improves equipment safety, economy to 3%.And ceramic bead recuperation layer is arranged in the upper layer of the device honeycomb catalyst,
The partial heat that high-temperature smoke discharging can be absorbed, makes catalyst be effectively protected, and allows to improve the entrance gas density upper limit to 3%,
Improve device economy.
Detailed description of the invention
Fig. 1 is the schematic diagram of Tthe utility model system；
Fig. 2,3 be methane oxidized apparatus structural front view and side view；
In figure: 1- main water box, 2- circulating pump, 3- heat exchanger, 4- well head radiator, 5- methane oxidized apparatus, 6- water supply tank,
7- small pump, 8- pit shaft, 9- flow control valve, 10- temperature sensor, 11- shutoff valve；
51- inlet duct, 52- entrance reversal valve, 53- grate plate, 54- honeycomb regenerator ceramics, 55- honeycomb catalyst, 56-
Ceramic bead, 57- exterior wall, 58- thermal insulating warm-keeping layer, 59- high-temperature flue gas outlet, 60- partition wall, the outlet 61- reversal valve, the outlet 62-
Pipeline.
Specific embodiment
In conjunction with attached drawing, specific embodiment of the present utility model is described further:
Equipment system using super low-concentration gas oxidation heat source as shown in Figure 1, including methane oxidized apparatus, well
Mouth radiator and pit shaft, well head radiator output end are connected to pit shaft, and hot fume outlet and the well head of methane oxidized apparatus radiate
The heat-exchange system of temperature-controllable is connected between device, heat-exchange system includes the heat exchanger of several groups parallel connection, the input terminal of each heat exchanger
Respectively with the hot fume of methane oxidized apparatus outlet connection, link circuit be equipped with on-off valve, the output end of each heat exchanger with
The connection of well head radiator；Water-flow circuit is equipped between each heat exchanger and well head radiator, including connected main water box and circulation
Pump, main water box is connected with well head radiator, link circuit is equipped with shutoff valve, and circulating pump is connect, on link circuit with heat exchanger
Equipped with flow control valve.
The hot fume being discharged through methane oxidized apparatus enters heat exchanger, after hot fume and cold water carry out heat exchange, clean gas
Body carbon dioxide can directly outlet or recycling, the water after absorbing heat enters radiator and further radiated, then 2 DEG C of output
The mixing hot wind of left and right acts on pit shaft, realizes equipment.
Heat exchanger is the carry out heat exchange energy storage to the hot fume of methane oxidized apparatus discharge, in conjunction with supply gas require and after
The heat dissipation ratio of continuous radiator can open one group of heat exchanger or multi-group heat exchanger, after controllable type selection heat exchange simultaneously as needed
Energy storage temperature value.
The methane oxidized apparatus uses dual oxide device, is applicable to the gas combustion oxygen of 0.3%~3% concentration range
Change, including two heat-storage catalytic rooms；Honeycomb regenerator ceramics, honeycomb catalyst, pottery are successively filled in heat-storage catalytic room from bottom to up
Porcelain bead.Honeycomb regenerator ceramics packed height 300mm~500mm；Honeycomb catalyst packed height 100mm~300mm；Ceramics are small
Ball packed height 300mm~500mm.Honeycomb regenerator ceramics tentatively preheat low concentration gas for recycling low-temperature flue gas heat
Gas.Honeycomb catalyst is for making to start oxidation reaction by the low-concentration methane gas of honeycomb catalyst；Honeycomb catalyst
Have the function of recovered flue gas heat, preheating low-concentration methane gas.Ceramic bead, which serves, stores heat, equilibrium temperature, when
Ceramic bead stores heat when gas flow temperature is excessively high, and when gas flow temperature is too low, ceramic bead discharges heat, protection honeycomb catalysis
Agent will not fail because of overheat.
It is connect by inlet duct with low-concentration gas pipeline, is connect by outlet conduit with smoke discharging pipe.Entrance reversal valve
Side heat-storage catalytic room air inlet, the smoke evacuation of other side heat-storage catalytic room are controlled respectively with outlet reversal valve, and swap guarantee oxygen
Continuous operation is set in makeup.Setting high-temperature flue gas outlet leads to heat exchanger above heat-storage catalytic room.In this way, generated after gas oxidation
Heat a part is recycled towards residual heat using device, and a part enters other side regenerative oxidation room and is used for fresh watt of waste heat
This.Catalysis oxidation locular wall face liner 300mm light thermal insulation insulating layer, material used in thermal insulating warm-keeping layer are asbestos fibre mould
Block, thermal coefficient are less than 0.153W/m DEG C.Catalysis oxidation room temperature is calculated with 1050 DEG C, it is desirable that all wall surface heat preservations, outside
Surface temperature is lower than 70 DEG C.Regenerative chamber outer-wall building refractory brick exterior wall；Liner 200mm lightweight is exhausted between refractory brick and shell
Hot thermal insulation material (asbestos fibre module).
Claims (6)
1. one kind can utilize the equipment system of super low-concentration gas oxidation heat source, including the heat dissipation of methane oxidized apparatus (5), well head
Device (4) and pit shaft (8), well head radiator (4) output end are connected to pit shaft (8), it is characterised in that: methane oxidized apparatus (5)
The heat-exchange system of temperature-controllable is connected between hot fume outlet and well head radiator (4), heat-exchange system includes several groups parallel connection
Heat exchanger (3), the input terminal of each heat exchanger (3) respectively with the hot fume of methane oxidized apparatus (5) outlet connection, link circuit
It is equipped with on-off valve, the output end of each heat exchanger (3) is connect with well head radiator (4)；Each heat exchanger (3) and well head radiator
(4) water-flow circuit is equipped between, including connected main water box (1) and circulating pump (2), main water box (1) and well head radiator (4)
Connection, link circuit are equipped with shutoff valve, and circulating pump (2) is connect with heat exchanger (3), link circuit is equipped with flow control valve
(9).
2. the equipment system according to claim 1 using super low-concentration gas oxidation heat source, it is characterised in that: institute
The output end for stating well head radiator (4) is equipped with temperature sensor (10).
3. the equipment system according to claim 2 using super low-concentration gas oxidation heat source, it is characterised in that: institute
It states main water box (1) and is circumscribed with moisturizing circuit, including connected water supply tank (6) and small pump (7).
4. the equipment system according to claim 3 using super low-concentration gas oxidation heat source, it is characterised in that: institute
Methane oxidized apparatus (5) are stated using dual oxide device, are arranged symmetrically that there are two heat-storage catalytic room, two heat-storage catalytic rooms in device
Between partition wall (60) are set, be provided with the high-temperature flue gas outlet (59) for connecting heat exchanger (3) above heat-storage catalytic room, two
Inlet duct (51) and outlet conduit (62) is respectively set in heat-storage catalytic room bottom, and two inlet ducts (51) are external ultralow dense respectively
Gas tube is spent, two outlet conduits (62) distinguish external net gas smoke discharging pipe, are both provided with entrance on two inlet ducts (51) and change
To valve (52), setting exports reversal valve (61) on two outlet conduits (62), entrance reversal valve (52) and outlet reversal valve (61) point
Not Kong Zhi a heat-storage catalytic room air inlet, the smoke evacuation of another heat-storage catalytic room, and swap realization device continuous operation.
5. the equipment system according to claim 4 using super low-concentration gas oxidation heat source, it is characterised in that: institute
It states filling from bottom to top in heat-storage catalytic room and is equipped with honeycomb regenerator ceramic (54), honeycomb catalyst (55) and ceramic bead (56) three
Layer heat storage, honeycomb regenerator ceramics (54) packed height 300mm~500mm；Honeycomb catalyst (55) packed height 100mm~
300mm；Ceramic bead (56) packed height 300mm~500mm.
6. the equipment system according to claim 5 using super low-concentration gas oxidation heat source, it is characterised in that: institute
The upper end of the inlet duct (51) and the outlet conduit (62) stated is provided with grate plate (53), is honeycomb above grate plate (53)
Thermal storage ceramic (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821011146.6U CN208330282U (en) | 2018-06-28 | 2018-06-28 | A kind of equipment system using super low-concentration gas oxidation heat source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821011146.6U CN208330282U (en) | 2018-06-28 | 2018-06-28 | A kind of equipment system using super low-concentration gas oxidation heat source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208330282U true CN208330282U (en) | 2019-01-04 |
Family
ID=64785353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821011146.6U Active CN208330282U (en) | 2018-06-28 | 2018-06-28 | A kind of equipment system using super low-concentration gas oxidation heat source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208330282U (en) |
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2018
- 2018-06-28 CN CN201821011146.6U patent/CN208330282U/en active Active
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