CN209195466U - A kind of mine air blowing heater - Google Patents
A kind of mine air blowing heater Download PDFInfo
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- CN209195466U CN209195466U CN201821832871.XU CN201821832871U CN209195466U CN 209195466 U CN209195466 U CN 209195466U CN 201821832871 U CN201821832871 U CN 201821832871U CN 209195466 U CN209195466 U CN 209195466U
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Abstract
The utility model discloses a kind of mine air blowing heaters, for mine reducing energy consumption field, it includes the air-supply heater being arranged at the air exhaust heat exchange device and mine air outlet being arranged at mine for air exhaustion mouth, two individual medium circulating circuits are formed by air exhaust heat exchange device and air-supply heater, low-temperature glycol solution in the course of work in air exhaust heat exchange device absorbs the low temperature heat energy at mine for air exhaustion, temperature increases, it is conveyed under the action of medium circulation pump in the air-supply heater of mine air outlet, thermal energy therein is sent to the air of surrounding by air-supply heater in a manner of heat convection, temperature increases after air absorbs heat, reach supply air temperature requirement, it is sent into underground, it is efficiently, energy conservation, environmental protection, low temperature heat energy at energy depth extraction mine for air exhaustion is for heating mine air-supply, eliminate the heat of traditional heating outdoor air The energy has been saved in source, reduces pollutant emission, reduces the production cost of coal mining enterprise, there is the necessity widelyd popularize.
Description
Technical field
The utility model relates to mine reducing energy consumption field, specifically a kind of mine air blowing heater.
Background technique
During coal production, need it is continual to underground inject fresh air, according to " safety of coal mines advise
Journey " specification in provide: for guarantee safety in production, mine air inlet well head air themperature should ensure that at 2 DEG C or more.In this way, in outdoor
Temperature will enter the wind air at well head to mine and heat when being lower than 2 DEG C.
Heating method traditional at present is that coal-fired, gas heating hot water is empty at mine air inlet well head for heating by consumption
Gas.Mine enters the wind that air output big, long operational time, winter outdoor temperature are low, and no matter coal-fired, combustion gas will consume a large amount of energy
And a large amount of pollutant is discharged, it is unfavorable for living environment around, so fire coal, the heating method of combustion gas are undesirable.
In recent years, due to the enhancing of people's energy conservation and environmental awareness, the research of mine air-supply heating method is more paid attention to.It is many
It is well known, low temperature heat energy abundant is contained in mine for air exhaustion, if can rationally collect low temperature heat energy at mine for air exhaustion to mine
Air heating at well head is entered the wind, not only low temperature heat energy is utilized at air draft, but also air themperature is increased at air-supply, is met
The needs of mine safety production, kill two birds with one stone.
Currently, main recycled more than mine for air exhaustion by heat pump techniques in the way of spraying with dividing wall type heat exchange
Heat is heated to air at mine air-supply.This heating method energy-saving effect compared with traditional fire coal, combustion gas, electric boiler is obvious.
But certain electric energy need to be consumed.Authorized announcement date is although the utility model patent of CN205805613U reduces investment and system
Operation and maintenance expense, however heat transferring medium use water, when environment temperature at 0 DEG C hereinafter, will appear when medium is out of service will exchange heat
The problem of device bursting by freezing, seriously affects the normal operation of the system, and heating method selection electric heating and boiler heating, energy benefit
It cannot be below 0 DEG C with the temperature for less rationally, when simultaneity factor operates normally managing interior medium, extract the thermal Finite of transfer.
The utility model is ground under the inspiration of separate heat pipe technology on the basis of summarizing and concluding previous research achievement
A kind of mine air blowing heater that efficient, energy saving, safe and stable, depth takes heat to move heat is sent out.
Utility model content
The technical issues of the utility model solves is to provide a kind of mine air blowing heater, can pass through separate heat pipe skill
Based on art heating, heating method supplemented by the heating of air source heat pump technology, the waste heat of depth extraction mine for air exhaustion is for heating mine
The air of Jing Songfengkouchu, it is ensured that mine supply air temperature is not less than 2 DEG C, guarantees safety in production, eliminates traditional heat source,
Solves the problems, such as the air-supply heating of winter mine.
In order to solve the above technical problems, the technical scheme adopted by the utility model is:
The utility model includes that the air-supply being arranged at the air exhaust heat exchange device and mine air outlet being arranged at mine for air exhaustion mouth adds
Hot device, the air exhaust heat exchange device include First Heat Exchanger and the second heat exchanger, the air-supply heater include primary heater and
Secondary heater；The First Heat Exchanger is connected with primary heater by the pipeline full of heat transferring medium, is set on the pipeline
There is a first medium circulating pump of delivery heat transfer medium, the First Heat Exchanger, primary heater, first medium circulating pump and mutually
Between connecting pipe form first circulation circuit, the pipeline in the first circulation circuit be equipped with as pipeline internal medium auxiliary plus
The heating device of heat；Second heat exchanger is connected with secondary heater by the pipeline full of heat transferring medium, on the pipeline
Second medium circulating pump equipped with delivery heat transfer medium, second heat exchanger, secondary heater, second medium circulating pump and phase
Connecting pipe between mutually forms second circulation circuit；It is equipped on the pipeline in the first circulation circuit and second circulation circuit
The liquid supply device of medium is supplemented into pipeline.
Further, the medium is ethylene glycol solution, and the concentration of the ethylene glycol solution is not higher than 60%.
Further, the concentration of the ethylene glycol solution is 30-40%.
Further, the heating device includes the bypass valve being arranged on first circulation return and air-source heat
Pump, the bypass valve are connect with air source heat pump by medium booster pump.
Further, the liquid supply device includes flow container processed, liquid reserve tank and Constant pressure tank, and the flow container processed and liquid reserve tank connect
Connect, the liquid reserve tank is connect by fluid infusion pump with Constant pressure tank, the Constant pressure tank pass through pipeline respectively with first circulation circuit, second
The pipeline of circulation loop connects.
Further, the air exhaust heat exchange device is equipped with the spray nozzle of timing water spray, and the spray nozzle passes through spray
Water pump is connect with spray water tank.
Further, the top of the air exhaust heat exchange device is equipped with opening and closing device.
Further, fin is equipped in the air exhaust heat exchange device.
Further, blower is equipped at the mine air outlet.
By adopting the above-described technical solution, the beneficial effect that the utility model obtains is:
The utility model structure is simple, novel in design, forms two by air exhaust heat exchange device and air-supply heater and is individually situated between
Matter circulation loop, heat transferring medium select ethylene glycol solution, and the ethylene glycol solution in the course of work in air exhaust heat exchange device absorbs mine
Low temperature heat energy at air draft, temperature increase, and the air-supply heating of mine air outlet is conveyed under the action of medium circulation pump
In device, thermal energy therein is sent to the air of surrounding by air-supply heater in a manner of conducting, and air absorbs thermal temperature and increases.
The raised air of temperature is sent into mine, meets the needs of production.
The utility model efficiently, energy-saving and environmental protection, can low temperature heat energy at depth extraction mine for air exhaustion, it is ensured that shaft production
Safety smoothly carries out.There is the necessity widelyd popularize.
Detailed description of the invention
Fig. 1 is the structure composition schematic diagram of the utility model.
Wherein, 1, First Heat Exchanger；2, the second heat exchanger；3, primary heater；4, secondary heater；5, blower；6, other
Road valve；7, medium booster pump；8, air source heat pump；9, second medium circulating pump；10, first medium circulating pump；11, Constant pressure tank；
12, fluid infusion pumps；13, liquid reserve tank；14, flow container processed；15, feeding spraying pump；16, spray water tank.
Specific embodiment
The utility model is described in further details below with reference to embodiment:
A kind of mine air blowing heater, structure are as shown in Figure 1 comprising the air exhaust heat exchange device being arranged at mine for air exhaustion mouth
With the air-supply heater being arranged at mine air outlet, the air exhaust heat exchange device is connect by pipeline with air-supply heater, the pipe
Road is equipped with the medium circulation pump of heat transferring medium in conveyance conduit.
Air exhaust heat exchange device is arranged in the surrounding of mine for air exhaustion mouth, mine for air exhaustion from surrounding be discharged during with air exhaust heat exchange
Device carries out heat exchange, and temperature increases after the heat of the Absorption of Medium mine for air exhaustion in air exhaust heat exchange device, in medium circulation pump
Air-supply heater is flow under effect, the temperature due to outdoor air themperature lower than air-supply heater, outdoor air can absorb
The heat of air-supply heater, the air themperature after heat absorption, which increases, is sent into underground, and heater of blowing at this time loses heat medium temperature
It reduces, is flow under the action of medium circulation pump in air exhaust heat exchange device and continue to absorb heat.Constantly recycled by medium by
The heat of mine for air exhaustion is transferred to mine air-supply heater and is used to heat the Cryogenic air at mine air outlet.
The top of the air exhaust heat exchange device is equipped with opening and closing device, and the opening and closing device is roof, and the roof is by hydraulic dress
It sets and controls its open and close.In non-heating season, outside air temperature gos up to 2 DEG C or more, and air themperature is not less than 2 DEG C at mine air outlet
When, the roof above air exhaust heat exchange device at mine for air exhaustion mouth can automatically open under the action of hydraulic device, mine for air exhaustion from
It is discharged in atmosphere on down, the present apparatus is out of service.When outside air temperature is at 2 DEG C or less, in the effect of hydraulic device
Lower roof is automatically closed, and 15 DEG C or so of mine for air exhaustion is sealed up for safekeeping at mine for air exhaustion mouth, and the present apparatus works normally, and makes full use of
Low temperature heat energy in air draft heats air themperature at mine air outlet, so that its temperature is risen to 2 DEG C or more, guarantees into mine just
Often air-supply.
Fin is equipped in the air exhaust heat exchange device, the setting of fin can increase the heat exchange area of air exhaust heat exchange device, and reinforcing is changed
Thermal effect and the effect for reducing air exhaust heat exchange body product.
Air exhaust heat exchange device is equipped with the spray nozzle of timing water spray, and the spray nozzle passes through feeding spraying pump 15 and shower water
Case 16 connects.Often contain a certain amount of coal dust in mine for air exhaustion, mine for air exhaustion is past during exchanging heat with air exhaust heat exchange device
Toward the surface that coal dust is collected at air exhaust heat exchange device is had, coal dust has accumulated mostly influence heat transfer effect, has needed to clear up dust stratification, institute in time
It states 15 timing of feeding spraying pump and the water storage in spray water tank 16 is pressed into spray nozzle, spray nozzle timing is sprayed water, and timely punching is played
Fall the effect of dust stratification.
Blower 5 is equipped at the mine air outlet.Through theoretical calculation, air supply process can increase 50-100pa to ventilating system
Resistance need to overcome by blower 5 resistance of system when ventilating system overbottom pressure deficiency, it is ensured that smoothly air-supply.
The air exhaust heat exchange device includes First Heat Exchanger 1 and the second heat exchanger 2, and the air-supply heater includes the first heating
Device 3 and secondary heater 4, the First Heat Exchanger 1 and primary heater 3 are connected by the pipeline full of heat transferring medium, described
Pipeline is equipped with the first medium circulating pump 10 of delivery heat transfer medium, the First Heat Exchanger 1, primary heater 3, first medium
Circulating pump 10 and mutual connecting pipe form first circulation circuit, and the pipeline in the first circulation circuit is equipped with as pipe
The heating device of medium auxiliary heating in road, the heating device includes the bypass valve 6 being arranged on first circulation return
With air source heat pump 8, the bypass valve 6 is connect with air source heat pump 8 by medium booster pump 7.
In order to guarantee the safety of system application and expand application region, it is additionally arranged and adds on the pipeline in first circulation circuit
Thermal is heated using air source heat pump 8, the good energy saving performance of air source heat pump 8 compared with electricity directly heats.Work as first circulation
When the temperature of medium is lower than the temperature value set in circuit, by-passing valve 6 is opened, and medium enters the condenser of air source heat pump 8, is inhaled
After the heat that receipts air source heat pump 8 is produced and the waste heat of mine for air exhaustion heats mine air-supply together.Currently, air source heat pump 8
Operating temperature is at -25 DEG C, as long as outside air temperature is not less than -25 DEG C, can pass through the heating capacity of control air source heat pump 8
Guarantee the safe operation of whole device.
Second heat exchanger 2 is connected with secondary heater 4 by the pipeline full of heat transferring medium, and the pipeline is equipped with
The second medium circulating pump 9 of delivery heat transfer medium, second heat exchanger 2, secondary heater 4, second medium circulating pump 9 and phase
Connecting pipe between mutually forms second circulation circuit.
The temperature of mine for air exhaustion is 15 DEG C or so under normal circumstances, and after medium one cycle, air exhaust heat exchange device can
The thermal Finite of extraction, the thermal Finite that can be efficiently used, in order to make full use of mine for air exhaustion waste heat, depth extraction mine row
The waste heat of wind, the present apparatus are provided with first circulation circuit and second circulation circuit, are combined by two independent circulation loops
It can reach depth extraction and shift the effect of mine for air exhaustion waste heat.First circulation circuit is equipped with medium assisted heating device,
Medium temperature is higher than the medium temperature in second circulation circuit, is mainly in view of the temperature difference of outdoor Cryogenic air and heater of blowing
It is larger, the sufficiently large temperature difference is still maintained after reducing medium temperature, the reduction of medium temperature is conducive to the extraction mine of more depth
The waste heat of air draft, the temperature of mine for air exhaustion may be reduced to 0 DEG C hereinafter, due in the mine for air exhaustion of first circulation circuit at this time
Moisture is all precipitated substantially, will not be had the danger to freeze air exhaust heat exchange device surface temperature is lower than 0 DEG C, be utilized second
Cryogenic media in circulation loop can substantially reduce the temperature of air draft, extract the waste heat of mine for air exhaustion to greatest extent.Therefore, defeated
Send the second circulation circuit of cryogenic media to play the new wind action of preheating, in first circulation loop air exhaust heat exchange device first with air draft
Contact, temperature of outgoing air is higher, and the temperature of medium is also higher, and air-supply heater is contacted with the air after preheating, and there are still certain
The temperature difference and air can be heated to 2 DEG C or more.
The fluid infusion dress of supplement medium in oriented pipeline is all provided on the pipeline in the first circulation circuit and second circulation circuit
It sets.The liquid supply device includes flow container 14 processed, liquid reserve tank 13 and Constant pressure tank 11, and the flow container 14 processed is connect with liquid reserve tank 13, institute
Liquid reserve tank 13 is stated 12 to connect with Constant pressure tank 11 by fluid infusion pump, the Constant pressure tank 11 pass through pipeline respectively with first circulation circuit,
The pipeline in second circulation circuit connects.The setting of liquid supply device can ensure that medium in first circulation circuit and second circulation circuit
Content guarantees that the present apparatus extracts the waste heat in mine for air exhaustion to greatest extent, meets the needs of mine safety production.
The medium is ethylene glycol solution, and the concentration of the ethylene glycol solution is not higher than 60%, and the concentration of ethylene glycol solution is excellent
It is selected as 30-40%.Ethylene glycol is a kind of colourless micro- viscous liquid, and boiling point is 197.4 DEG C, and freezing point is -11.5 DEG C, can be any with water
Ratio mixing.Due to changing the vapour pressure of cooling water after mixing, freezing point is significantly reduced.The degree that it is reduced is in a certain range
Increase with the content of ethylene glycol and declines.When the content of ethylene glycol is 60%, freezing point can be reduced to -48.3 DEG C, be more than this pole
In limited time, freezing point will rise instead.The ethylene glycol solution concentration that the present apparatus uses is 40%, and corresponding freezing point temperature is -25 DEG C, this
When air source heat pump 8 work normally.
Due to ethylene glycol antifreeze acidic materials easily generated in use, there is corrosiveness to metal, so in the present apparatus
Air exhaust heat exchange device, air-supply heater and the pipeline being in contact with ethylene glycol are all made of stainless steel material and are made, and meet safety in production
Requirement.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It can still modify to technical solution documented by previous embodiment, or be equal to part of technical characteristic
Replacement；And these are modified or replaceed, the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution
Spirit and scope.
Claims (9)
1. a kind of mine air blowing heater, it is characterised in that: including the air exhaust heat exchange device and mine being arranged at mine for air exhaustion mouth
The air-supply heater being arranged at air outlet, the air exhaust heat exchange device include First Heat Exchanger (1) and the second heat exchanger (2), described
Heater of blowing includes primary heater (3) and secondary heater (4)；
The First Heat Exchanger (1) is connected with primary heater (3) by the pipeline full of heat transferring medium, and the pipeline is equipped with
The first medium circulating pump (10) of delivery heat transfer medium, the First Heat Exchanger (1), primary heater (3), first medium circulation
It pumps (10) and mutual connecting pipe forms first circulation circuit, it is pipeline that the pipeline in the first circulation circuit, which is equipped with,
The heating device of interior medium auxiliary heating；
Second heat exchanger (2) is connected with secondary heater (4) by the pipeline full of heat transferring medium, and the pipeline is equipped with
The second medium circulating pump (9) of delivery heat transfer medium, second heat exchanger (2), secondary heater (4), second medium circulation
It pumps (9) and mutual connecting pipe forms second circulation circuit；
The liquid supply device of supplement medium in oriented pipeline is all provided on the pipeline in the first circulation circuit and second circulation circuit.
2. a kind of mine air blowing heater according to claim 1, it is characterised in that: the medium is that ethylene glycol is molten
The concentration of liquid, the ethylene glycol solution is not higher than 60%.
3. a kind of mine air blowing heater according to claim 2, it is characterised in that: the concentration of the ethylene glycol solution
For 30-40%.
4. a kind of mine air blowing heater according to claim 1, it is characterised in that: the heating device includes setting
Bypass valve (6) and air source heat pump (8) on first circulation return, the bypass valve (6) and air source heat pump (8) are logical
Cross medium booster pump (7) connection.
5. a kind of mine air blowing heater according to claim 1, it is characterised in that: the liquid supply device includes liquid processed
Tank (14), liquid reserve tank (13) and Constant pressure tank (11), the flow container (14) processed connect with liquid reserve tank (13), and the liquid reserve tank (13) is logical
Overfill liquid pump (12) is connect with Constant pressure tank (11), and the Constant pressure tank (11) is followed with first circulation circuit, second respectively by pipeline
The pipeline of loop back path connects.
6. a kind of mine air blowing heater according to claim 1, it is characterised in that: the air exhaust heat exchange device is equipped with
The spray nozzle of timing water spray, the spray nozzle are connect by feeding spraying pump (15) with spray water tank (16).
7. a kind of mine air blowing heater according to claim 6, it is characterised in that: the top of the air exhaust heat exchange device
Equipped with opening and closing device.
8. a kind of mine air blowing heater according to claim 7, it is characterised in that: be equipped in the air exhaust heat exchange device
Fin.
9. a kind of mine air blowing heater according to claim 1-8, it is characterised in that: the mine air-supply
Blower (5) are equipped at mouthful.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821832871.XU CN209195466U (en) | 2018-11-08 | 2018-11-08 | A kind of mine air blowing heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821832871.XU CN209195466U (en) | 2018-11-08 | 2018-11-08 | A kind of mine air blowing heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209195466U true CN209195466U (en) | 2019-08-02 |
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ID=67410912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821832871.XU Expired - Fee Related CN209195466U (en) | 2018-11-08 | 2018-11-08 | A kind of mine air blowing heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209195466U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488359A (en) * | 2018-11-08 | 2019-03-19 | 河北工程大学 | A kind of mine air blowing heater |
-
2018
- 2018-11-08 CN CN201821832871.XU patent/CN209195466U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488359A (en) * | 2018-11-08 | 2019-03-19 | 河北工程大学 | A kind of mine air blowing heater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20190802 Termination date: 20201108 |