CN208124615U - A kind of big reserves environmental protection numerical control heating stove - Google Patents
A kind of big reserves environmental protection numerical control heating stove Download PDFInfo
- Publication number
- CN208124615U CN208124615U CN201721044505.3U CN201721044505U CN208124615U CN 208124615 U CN208124615 U CN 208124615U CN 201721044505 U CN201721044505 U CN 201721044505U CN 208124615 U CN208124615 U CN 208124615U
- Authority
- CN
- China
- Prior art keywords
- water
- air
- environmental protection
- heating stove
- flue
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 46
- 230000007613 environmental effect Effects 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 239000003245 coal Substances 0.000 claims abstract description 27
- 239000000428 dust Substances 0.000 claims description 10
- 239000003546 flue gas Substances 0.000 claims description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 7
- 239000008236 heating water Substances 0.000 claims description 5
- 210000000476 body water Anatomy 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 239000008399 tap water Substances 0.000 claims description 3
- 235000020679 tap water Nutrition 0.000 claims description 3
- 239000002802 bituminous coal Substances 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000007423 decrease Effects 0.000 abstract description 4
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 239000002956 ash Substances 0.000 description 9
- 238000002485 combustion reaction Methods 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 238000010411 cooking Methods 0.000 description 4
- 239000000779 smoke Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- BBEAQIROQSPTKN-UHFFFAOYSA-N pyrene Chemical compound C1=CC=C2C=CC3=CC=CC4=CC=C1C2=C43 BBEAQIROQSPTKN-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 1
- 239000003830 anthracite Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 239000011280 coal tar Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 125000000753 cycloalkyl group Chemical group 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- GVEPBJHOBDJJJI-UHFFFAOYSA-N fluoranthrene Natural products C1=CC(C2=CC=CC=C22)=C3C2=CC=CC3=C1 GVEPBJHOBDJJJI-UHFFFAOYSA-N 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000011164 primary particle Substances 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
Landscapes
- Solid-Fuel Combustion (AREA)
Abstract
A kind of big reserves environmental protection numerical control heating stove, belongs to technical field of energy saving and environmental protection, mainly solves the samll cities and towns of no central heating, the common heating furnace thermal efficiency low (less than 33%) that rural area largely uses, PM2.5The high problem of discharge amount.It includes furnace body, big reserves coal bunker, water-cooled grate, secondary furnace, baffle plate deduster, ash box, heat exchanger, shoot door, clean-out door, air inlet, outlet flue, power governor, air-introduced machine, auxillary flue, flue collector, coal filling hole, domestic hot-water's case and water temperature regulater.With cheap bituminous coal is used, manufacturing cost is lower, and deashing is convenient, can provide domestic hot-water at any time, add a dant that can burn 8 hours or more, PM2.5The characteristics of more common heating stove decline 90% of discharge amount, the thermal efficiency is greater than 80%, there is preferable effects of energy conservation and environmental protection.
Description
Technical field
The utility model relates to a kind of big reserves environmental protection numerical control heating stoves, belong to technical field of energy saving and environmental protection.
Background technique
In recent years, in winter, what the northern area of China " haze " occurred is more and more frequent.The basic reason of haze aggravation
It is PM in atmosphere2.5The discharge of equal pollutants has been more than environment self-repairing capability, and the particulate matter of civilian bituminous coal combustion discharge
One of the main reason for exactly causing haze.
In the northern not samll cities and towns of central heating, rural area, Household water heating stove hot water system average service rate
It has been more than traditional coal stove.Such as patent No. 02214424.2,02203962.7,20062001557.3,200921058254.0.
Due to being influenced by self structure, combustion system and the factors such as bank up a fire, the thermal efficiency be only 30~40% (《Chinese architecture energy conservation year
Degree report 2012》, Tsinghua University's building energy conservation research center).These cooking, heating dual-purpose stove are largely positive the fixation of burning
Grate furnace, fuel are cheap bituminous coal, discharge the PM that a large amount of main components are organic carbon, elemental carbon and flying dust2.5(Zhao
Beauty etc. is held,《Civilian Discharged form Coal Combustion PM2.5Microscopic appearance and chemical constituent》, Proceedings of the CSEE, 2016,36
(16)：It is 4422-4426) unavoidable.
In combustion, after new coal investment burner hearth, a large amount of volatile matters are in anoxic for these cooking just burnt, heating dual-purpose stove
And it is not up to quickly precipitated under its burning point state, high-molecular hydrocarbons (CmHn) cracked, dehydrogenation, overlapping, cyclisation generate contain
Phenyl ring substance -- carbon black more than carbon amounts, imperfect combustion generate cyclic hydrocarbon substance -- and soot (three, Si Ben Peng pyrene etc.), these are organic
Carbon.Under cold and oxygen deficient state, the coal dust of some fine particle it is burned or could not completely burned, and by flue gas stream
It takes out of to form black smoke, these are elemental carbon.Part coal ash is entrained by the flow of air, these are flying dust.
These bituminous coal stoves PM2.5Emission factor is 11.1 ± 2.9gkg1(Li Qing etc.,《China's civil primary particle
The Emission Reduction Potential of object is studied》, Proceedings of the CSEE, 2016,36 (16)：4408), about 100 times of coal-burning power plant.
2014, Chinese 82,000,000 family northern country resident's heating consumed 1.51 hundred million tons of bituminous coal, PM2.5Particulate matter concentrates in winter three
A month low-altitude discharged, total amount are up to 1,670,000 tons, account for the 30~35% of this season total emission volumn.
To overcome the problems, such as that the dual-purpose furnace thermal efficiency of above-mentioned cooking, heating is low, the patent No. 201320146588.2 is used
Plate heat exchanger exchanges heat, and structure has a clear advantage, exhaust gas temperature be down to 120 DEG C hereinafter, the thermal efficiency improve to 80% with
On, more original heating stove makes great progress, and still, which is suitable only for using anthracite, when just being burnt using bituminous coal
Plate heat exchanger inner gas passage is easy to be blocked by coal tar, dust mixture.
Above-mentioned cooking, general 2~3 hours hand firings of heating dual-purpose stove are primary, and night has heating demand user using not
Just.
And use it is anti-burn mode, when bituminous coal combustion, new coal volatile matter is slowly precipitated, by red heat carbon-coating on water-cooled grate
When, it is completely burned, so not over-emitting black exhaust, PM when reverse burning furnace works normally2.5Discharge amount can reduce 90% or more, such as the patent No.
2005020146896.0 just achieve good environment protecting using anti-burning mode, and still, which uses air-supply, draws
Wind combination is switched mutually using two automatic transfer valves to control burning, is positive pressure, leakiness in burner hearth when normal work
Cigarette, and structure is excessively complicated, and manufacturing cost is high；The utility model water tank type deduster is placed in the fume tube type of deashing inconvenience
After heat exchanger, smoke pipe surface is easy knot ash, to influence heat transfer effect；For the utility model without ash box, deashing is inconvenient.
Currently, being the simplification version of above-mentioned patent, eliminating pressure fan, two there are also a kind of anti-numerical control furnace burnt in the market
A automatic transfer valve, only with air-introduced machine air inducing, no deduster is exchanged heat using smoke pipe or water plate, and structure is simplified, and is manufactured
Cost is relatively low.Its start and stop that air-introduced machine is controlled according to actual water temperature and set temperature comparison result.When air-introduced machine is stopped transport, coal bunker
Inside the still unburned volatile matter that has been precipitated is overflowed from auxillary flue, is discharged into atmosphere.The numerical control furnace air-introduced machine start and stop are frequent, and more one is small
When more than seven times, and without dust removal installation, so PM2.5Emission reduction effect is poor.In addition, without ash box, heat exchanger deashing is not yet yet
It is convenient.
Utility model content
The purpose of this utility model, which is that, avoids above-mentioned the deficiencies in the prior art place, provides a kind of big reserves environmental protection number
Heating stove is controlled, cheap bituminous coal is used, manufacturing cost is lower, and deashing is convenient, can provide domestic hot-water at any time, add one
Dant can burn 8 hours or more, PM2.5More common 90% or more the heating stove decline of hot driving amount, the thermal efficiency is greater than 80%.
Technical problem to be solved in the utility model is achieved through the following technical solutions：
A kind of big reserves environmental protection numerical control heating stove, it is characterised in that：The big reserves environmental protection numerical control heating stove include furnace body,
Big reserves coal bunker, secondary furnace, baffle plate deduster, ash box, heat exchanger, shoot door, clean-out door, air inlet, goes out water-cooled grate
Mouth, power governor, air-introduced machine, auxillary flue, flue collector, coal filling hole, domestic hot-water's case and water temperature regulater；Described is big
Reserves coal bunker coal capacity is able to satisfy 8 hours or more heating demands；There is baffle plate among the ash box, is closed with furnace body water board group
At a baffle plate deduster, after flue gas ash removal, rear heat exchange device is entered back into, is had while to significantly reduce deashing number
Effect reduces and is discharged into atmosphere PM2.5Amount.The dust fallen can take out together with the dust that leaked down by water-cooled grate gap, and cleaning is convenient；
The power governor is when air-introduced machine low speed is run, and when heating stove power is still excessive, the rate of doing work, which is adjusted, to be used, and position setting is excellent
It first selects also to can be set in air-introduced machine entrance in the other positions such as air-introduced machine outlet or air inlet；The air inlet setting
Outside furnace water jacket, air is introduced from lower than water-cooled grate position, outdoor air reverse irrigation when blower stoppage in transit being avoided to bank up a fire；Institute
Drainage device is arranged in the auxillary flue and outlet flue meet stated, and chimney condensed water flows into big reserves coal bunker through auxillary flue, effectively keeps away
Exempt from the corrosion of air-introduced machine and the blocking of heat exchanger；Domestic hot-water's case is arranged outside furnace body, is connected to tap water, leads to
It crosses with heating water heat in furnace water jacket and domestic hot-water is provided at any time.
Heat exchanger described in the utility model preferentially selects deashing convenient, and the high plate heat exchanger of heat exchange efficiency can also be adopted
With conventional tube heat exchanger or conventional water sheet heat exchanger.
Water temperature regulater described in the utility model uses double speed (or multi-speed) controller：Furnace body water temperature is lower than setting value
When, air-introduced machine high-speed cruising, after water temperature reaches setting value, air-introduced machine automatically becomes low speed operation to reduce the hot merit of heating stove
Rate.
Air inlet described in the utility model is one or more, so as to provide the multiple wind such as Secondary Air, tertiary air.
The utility model has the following advantages and outstanding effects：
The utility model is mainly used in the samll cities and towns of no central heating, rural area.The big reserves environmental protection numerical control
Heating stove, which has, uses cheap bituminous coal, and manufacturing cost is lower, and deashing is convenient, can provide domestic hot-water at any time, adds primary
Coal can burn 8 hours or more, PM2.5Discharge amount is low, the high feature of the thermal efficiency.The utility model PM2.5The more common heating of discharge amount
Furnace can decline 90% or more, and 120~200 DEG C of final exhaust gas temperature, the thermal efficiency is greater than 80%, be the two of existing common heating furnace
Times or more, popularization and application can reduce a large amount of PM while saving mass energy2.5Discharge.
Detailed description of the invention
The big reserves environmental protection numerical control heating stove schematic diagram of Fig. 1
Fig. 2 plate heat exchanger schematic diagram
Each component indicates in figure；1- furnace body, the big reserves coal bunker of 2-, 3- burning zone, 4- water-cooled grate, 5- secondary furnace, 6- folding
Flowing plate deduster, 7- ash box, 8- plate heat exchanger, 9- shoot door, 10- clean-out door, 11- air inlet, 12- outlet flue, 13- function
Rate adjuster, 14- air-introduced machine, 15- auxillary flue, 16- flue collector, 17- coal filling hole, 18- domestic hot-water's case, 19- heating water, 20-
Flue gas.
Specific embodiment
With reference to the accompanying drawing to the specific structure of the utility model, working principle is further described.
Embodiment 1：As depicted in figs. 1 and 2, the present embodiment includes furnace body 1, big reserves coal bunker 2, burning zone 3, water cooling furnace
Arrange 4, secondary furnace 5, baffle plate deduster 6, ash box 7, plate heat exchanger 8, shoot door 9, clean-out door 10, air inlet 11, outlet flue
12, power governor 13, air-introduced machine 14, auxillary flue 15, flue collector 16, coal filling hole 17, domestic hot-water's case 18 and water temperature control
Device, heating water 19, flue gas 20.There is baffle plate among the ash box 7, is combined into a baffle plate deduster with furnace water jacket
6, after 20 dedusting of flue gas, rear heat exchange device 8 is entered back into, is effectively reduced while to significantly reduce deashing number and is discharged into atmosphere
PM2.5Amount.The dust fallen can take out together with the dust that leaked down by 4 gap of water-cooled grate, and cleaning is convenient；The air inlet
11 are arranged outside 1 water jacket of furnace body, and air is introduced from lower than 4 position of water-cooled grate, outdoor air when air-introduced machine 14 being avoided to stop transport
Flow backward；Drainage device is arranged in the auxillary flue 15 and 12 meet of outlet flue, and chimney condensed water flows into big reserves through auxillary flue
Coal bunker 2 effectively avoids the corrosion of air-introduced machine 14 and the blocking of heat exchanger；Domestic hot-water's case 18 is arranged outside furnace body,
It is connected to tap water, provides domestic hot-water at any time by exchanging heat with heating water 19 in 1 water jacket of furnace body.
Water temperature regulater described in the present embodiment uses double speed (or multi-speed) controller：When furnace body water temperature is lower than setting value,
14 high-speed cruising of air-introduced machine, after water temperature reaches setting value, air-introduced machine 14 automatically becomes low speed operation to reduce the hot merit of heating stove
Rate；The power governor 13 is when 14 low speed of air-introduced machine is run, and when heating stove power is still excessive, the rate of doing work, which is adjusted, to be used.
The big reserves environmental protection numerical control heating stove provided in the present embodiment, its working principle is that big reserves coal bunker 2 is added and meets 8
Hour or more after the coal of heating demand, igniting, when water temperature is lower than setting value, 14 high-speed cruising of air-introduced machine, the sky for the needs that burn
Gas sucks 2 top of coal bunker from air inlet 11, then downlink, after passing through unburned coal seam, participates in burning in burning zone 3, burning zone 3
Top will participate in the volatile matter being slowly precipitated in the new coal to burn, by being ignited when red heat carbon-coating on water-cooled grate 4, fire
It burns the flue gas downlink generated and passes through water-cooled grate 4, if there is combustible component then in 5 after-flame of secondary furnace.Flue gas be water cooled fire grate and
After the heat absorption of surrounding water jacket, baffle plate deduster 6 is first passed through, plate heat exchanger 7 is entered back into, continues to recycle heat.Water-cooled grate 4,
After water in water jacket is heated, heating is taken out.When water temperature rises to setting value, air-introduced machine 14 is automatically converted to low speed operation, adopts
Radiator heat capacity accordingly reduces.When the operation of 14 low speed of air-introduced machine, when heating stove power is still excessive, power governor can be passed through
13 reduce heating stove power, toggle air-introduced machine 14 only between low speed, high speed, to guarantee air-introduced machine 14 always
It is working, is flowing from above to below the volatile matter being precipitated in new coal holding, be ignited when passing through burning zone 3, finally ensure that
PM2.5The reduction of discharge amount.Air-introduced machine 14 is only deactivated when banking up a fire for a long time.
The big reserves environmental protection numerical control heating stove provided in the present embodiment, is mainly used in samll cities and towns, the agriculture of no central heating
Village area.The big reserves environmental protection numerical control heating stove, which has, uses cheap bituminous coal, and manufacturing cost is lower, deashing side
Just, add a dant that can burn 8 hours or more, PM2.5Discharge amount is low, the high feature of the thermal efficiency.Survey PM2.5Emission factor is 0.5
~0.6gkg-1, more common heating stove can decline 90% or more, and 120~200 DEG C of final exhaust gas temperature, the thermal efficiency is greater than
80%, more existing common heating furnace increases substantially, and reduces a large amount of PM while saving mass energy2.5Discharge.
Embodiment 2：Other are same as Example 1 for the present embodiment, and heat exchanger is changed to conventional tube by plate heat exchanger and changes
Hot device or conventional water sheet heat exchanger.
It is incorporated herein by reference in all documents that the utility model refers to, just as each document quilt
It is individually recited as with reference to such.In addition, it should also be understood that, read the utility model it is above-mentioned tell about content after, this field
Technical staff can make various changes or modifications the utility model, and such equivalent forms equally fall within right appended by the application
Claim limited range.
Claims (4)
1. a kind of big reserves environmental protection numerical control heating stove, it is characterised in that：The big reserves environmental protection numerical control heating stove includes furnace body
(1), big reserves coal bunker (2), burning zone (3), water-cooled grate (4), secondary furnace (5), baffle plate deduster (6), ash box (7), change
Hot device, shoot door (9), clean-out door (10), air inlet (11), outlet flue (12), power governor (13), air-introduced machine (14), pair
Flue (15), flue collector (16), coal filling hole (17), domestic hot-water's case (18) and water temperature regulater；Have among the ash box (7)
Baffle plate is combined into a baffle plate deduster (6) with furnace water jacket, after flue gas ash removal, rear heat exchange device is entered back into, thus bright
It is effectively reduced while aobvious reduction deashing number and is discharged into atmosphere PM2.5Amount, the dust fallen can with pass through water-cooled grate (4) gap
The dust that leaks down takes out together, and cleaning is convenient；The air inlet (11) is arranged outside furnace body (1) water jacket, and air is from lower than water
Black furnace is arranged (4) position and is introduced, and outdoor air flows backward when air-introduced machine (14) being avoided to stop transport；The auxillary flue (15) and outlet flue
(12) drainage device is arranged in meet, and chimney condensed water flows into big reserves coal bunker (2) through auxillary flue, effectively avoids air-introduced machine (14)
Corrosion and heat exchanger blocking；Domestic hot-water's case (18) is arranged outside furnace body, is connected to tap water, by with furnace
Heating water heat provides domestic hot-water at any time in body (1) water jacket.
2. big reserves environmental protection numerical control heating stove described in accordance with the claim 1, it is characterised in that：The heat exchanger is selected board-like
Heat exchanger (8).
3. big reserves environmental protection numerical control heating stove described in accordance with the claim 1, it is characterised in that：The water temperature regulater uses
Double speed or multispeed controller：When furnace body water temperature is lower than setting value, air-introduced machine (14) high-speed cruising draws after water temperature reaches setting value
Blower (14) automatically becomes low speed operation to reduce the thermal power of heating stove.
4. big reserves environmental protection numerical control heating stove described in accordance with the claim 1, it is characterised in that：The air inlet (11) is 1
It is a or multiple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721044505.3U CN208124615U (en) | 2017-08-17 | 2017-08-17 | A kind of big reserves environmental protection numerical control heating stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721044505.3U CN208124615U (en) | 2017-08-17 | 2017-08-17 | A kind of big reserves environmental protection numerical control heating stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208124615U true CN208124615U (en) | 2018-11-20 |
Family
ID=64208153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721044505.3U Expired - Fee Related CN208124615U (en) | 2017-08-17 | 2017-08-17 | A kind of big reserves environmental protection numerical control heating stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208124615U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109579290A (en) * | 2018-11-23 | 2019-04-05 | 兖矿集团有限公司 | A kind of pyrolysis formula civil heating stove and its heating method in advance |
| CN109601201A (en) * | 2018-11-23 | 2019-04-12 | 兖矿集团有限公司 | A kind of system and its processing method applying carbon dioxide to greenhouse using normal-pressure hot-water boiler |
-
2017
- 2017-08-17 CN CN201721044505.3U patent/CN208124615U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109579290A (en) * | 2018-11-23 | 2019-04-05 | 兖矿集团有限公司 | A kind of pyrolysis formula civil heating stove and its heating method in advance |
| CN109601201A (en) * | 2018-11-23 | 2019-04-12 | 兖矿集团有限公司 | A kind of system and its processing method applying carbon dioxide to greenhouse using normal-pressure hot-water boiler |
| CN109579290B (en) * | 2018-11-23 | 2021-04-23 | 兖矿集团有限公司 | Preheating type civil heating stove and heating method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101430102B (en) | Biomass shaping fuel-combustion countryside cooking/bathing/heating integrated apparatus | |
| CN106168376B (en) | A kind of twin furnace coal dust gasification low nitrogen burning Industrial Boiler | |
| CN106500127B (en) | Bypass air preheater heat recovery system and method | |
| CN201000057Y (en) | Small-sized coal fines combustion boiler set | |
| CN208124615U (en) | A kind of big reserves environmental protection numerical control heating stove | |
| CN102221198B (en) | Low NOx combustion method for cyclone furnace and liquid state slagging and afterheat recycling system for cyclone furnace | |
| CN201954586U (en) | Semi-gasification energy-saving firewood heating furnace | |
| CN203215729U (en) | Efficient domestic water heating furnace | |
| CN207279705U (en) | A kind of energy-saving and environment-friendly coal-fired hot-air heating stove | |
| CN207316985U (en) | A kind of energy-saving and environment-friendly coal-fired cooking hot-blast stove | |
| CN207279689U (en) | A kind of grate firing boiler flue gas oxygen content control system based on flue gas recirculation | |
| CN202734215U (en) | Multipurpose boiler for fuel coal | |
| CN208042119U (en) | Parallel-connection type coal-burning powder heat medium heater | |
| CN202012948U (en) | Three-return counter heating type biomass super-thermal-conductive semi-gasification furnace | |
| CN105387507A (en) | Energy-saving and environment-friendly fuel gas condensation module heating unit | |
| CN105927987A (en) | Straw and household garbage co-combustion boiler | |
| CN205579541U (en) | High -efficient low nitrogen gas burner of living beings | |
| CN201748474U (en) | Air-conditioning wood/coal gasification furnace | |
| CN201772500U (en) | Household multifunctional biomass gasification heating appliance | |
| CN205481766U (en) | High -efficient energy -saving pot stove of condensing | |
| CN204629589U (en) | A kind of anti-burning gasification fire control type combustion furnace | |
| CN204757367U (en) | Hot -air furnace | |
| CN107435950A (en) | The coal-fired cooking hot-blast stove and cooking heating method and purposes of a kind of energy-conserving and environment-protective | |
| CN212481379U (en) | Secondary air distribution boiler | |
| CN201014427Y (en) | Smoke free energy-saving boiler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181120 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |