CN107185956A - A kind of circulating heat supply system and its heat supply method - Google Patents
A kind of circulating heat supply system and its heat supply method Download PDFInfo
- Publication number
- CN107185956A CN107185956A CN201710376000.5A CN201710376000A CN107185956A CN 107185956 A CN107185956 A CN 107185956A CN 201710376000 A CN201710376000 A CN 201710376000A CN 107185956 A CN107185956 A CN 107185956A
- Authority
- CN
- China
- Prior art keywords
- gas
- temperature
- outlet
- combustion zone
- flue gas
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000007789 gas Substances 0.000 claims abstract description 122
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 49
- 239000003546 flue gas Substances 0.000 claims abstract description 48
- 238000002485 combustion reaction Methods 0.000 claims abstract description 47
- 238000000197 pyrolysis Methods 0.000 claims abstract description 46
- 238000003795 desorption Methods 0.000 claims abstract description 45
- 238000010438 heat treatment Methods 0.000 claims abstract description 43
- 238000013459 approach Methods 0.000 claims abstract description 24
- 230000008676 import Effects 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 12
- 230000000694 effects Effects 0.000 claims description 6
- 235000019504 cigarettes Nutrition 0.000 claims description 3
- 239000000446 fuel Substances 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 239000002689 soil Substances 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005067 remediation Methods 0.000 abstract description 3
- 238000010790 dilution Methods 0.000 abstract description 2
- 239000012895 dilution Substances 0.000 abstract description 2
- 239000000779 smoke Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000009123 feedback regulation Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/06—Reclamation of contaminated soil thermally
- B09C1/065—Reclamation of contaminated soil thermally by pyrolysis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Processing Of Solid Wastes (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The present invention relates to soil remediation field, and in particular to a kind of circulating heat supply system and its heat supply method, circulating heat supply system, including burner and pyrolysis desorption apparatus, the burner include, burner and combustion chamber;The pyrolysis desorption apparatus is provided with gas approach, exhanst gas outlet and the outlet of pyrolysis desorption gas;The combustion chamber includes, burning entrance region, the first combustion zone, the second combustion zone, tail gas recycle area and heating exhanst gas outlet;The pyrolysis desorption gas import with pyrolysis desorption gas outlet is provided with second combustion zone, the tail gas recycle area is provided with the back-mixing gas approach connected with exhanst gas outlet, and heating exhanst gas outlet is connected with the gas approach.Present invention eliminates original flue gas dilution device, using low-temperature flue gas temperature adjustment, while make use of the heat energy of low-temperature flue gas, the manufacturing cost of device is saved.
Description
Technical field
The present invention relates to soil remediation field, and in particular to a kind of circulating heat supply system and its heat supply method.
Background technology
At present, using the method for pyrolysis desorption, soil middle and high concentration SVOCs and petroleum hydrocarbon pollution will can be removed.Soil
During earth is heated, most of SVOCs organic pollutions are not degraded but toward transfer in pyrolysis smoke;If directly
Discharge can cause the pollution of environment, while pyrolytic reaction occurs for part larger molecular organicses, cause to contain one in pyrolysis desorption gas
The combustible components such as charcoal, CH4, CxHy are aoxidized, directly discharge wastes the energy that this portion gas is included.In addition, generally using
With the flue gas of heating, it is necessary to reach suitable heating-up temperature, the manufacture of the mixing arrangement of cold air by being mixed with cold air
It is high with operating cost.Equally contain a large amount of heat energy in flue gas after heating, and have larger damage to follow-up flue gas processing device
Consumption.
A kind of such as disclosed in CN201510063379.5 organic polluted soil Multi-stage heat repair system, it is de- using two-stage heat
Attached mode carries out repair process to soil, and the thermal desorption that the tail gas of the thermal desorption device of high-temperature level is used for low-temperature level is filled
The heating put is used.However, still including substantial amounts of heat energy and pollutant in the tail gas of its second level desorption apparatus discharge.It is right
In this partial heat energy, the repair system, which does not have, to be made full use of, and for the pollutant in tail gas, then need by substantial amounts of tail
Flash Gas Compression Skid System is handled, and does not reach the requirement of energy-conserving and environment-protective.
The content of the invention
There is provided a kind of circulating heat supply system and its heat supply for the problem of purpose of the present invention is to solve in background technology
Method.
The present invention above-mentioned technical purpose technical scheme is that:
A kind of circulating heat supply system, including burner and pyrolysis desorption apparatus, the burner include, burner and burning
Room;The pyrolysis desorption apparatus is provided with gas approach, exhanst gas outlet and the outlet of pyrolysis desorption gas;The combustion chamber includes, combustion
Burn into mouth region, the first combustion zone, the second combustion zone, tail gas recycle area and heating exhanst gas outlet;Set at second combustion zone
There is the pyrolysis desorption gas import with pyrolysis desorption gas outlet, the tail gas recycle area is provided with returning of being connected with exhanst gas outlet
Mixed gas approach, heating exhanst gas outlet is connected with the gas approach.
Preferably, first combustion zone, the second combustion zone and tail gas recycle area the flow of flue gas direction along along combustion chamber
Arrangement.
Preferably, the pyrolysis desorption apparatus includes:Inner furnace body and external furnace body, the inner furnace body are nested in the outer stove
Internal portion, the gap between the external furnace body and the inner furnace body is external heat chamber, the gas approach and exhanst gas outlet and institute
State the connection of external heat chamber;It is interior heating chamber in the inner furnace body, conveying mechanism is provided with the interior heating chamber, the pyrolysis takes off
Attached gas outlet is connected with the interior heating chamber.
A kind of circulation heating method, including:1. fuel is sent into the first combustion zone, burns and produce under burner effect
High-temperature flue gas, 2. high-temperature flue gas is cooled to after suitable temperature along burning indoor air flow direction turns into heating flue gas, 3. heats cigarette
Gas forms low-temperature flue gas after being handled from gas approach feeding pyrolysis desorption apparatus its materials inside(Tail gas), during which material
Pyrolysis gas is produced under the heat effect of heating flue gas, 4. pyrolysis gas enters by being pyrolyzed the outlet of desorption gas from pyrolysis desorption gas import
Enter the second combustion zone to be burnt again, low-temperature flue gas(Tail gas)Tail gas recycle is entered from back-mixing gas approach by exhanst gas outlet
Area, which with high-temperature flue gas mix, forms heating flue gas after temperature adjustment.
Preferably, the step 3. in, material be arranged on pyrolysis desorption apparatus interior heating chamber in, heating flue gas be passed through
Indirectly heat is carried out to material in external heat chamber.
Preferably, temperature is more than 1100 DEG C in first combustion zone.
Preferably, temperature is 850 DEG C~1100 DEG C in second combustion zone.
Preferably, temperature is 500 DEG C~850 DEG C in the tail gas recycle area.
Preferably, being provided with temperature sensor in the tail gas recycle area, the temperature sensor is thermocouple, described
Air-regulating valves are provided between exhanst gas outlet and back-mixing gas approach, the Air-regulating valves mutually link with temperature sensor.Work as tail gas
When temperature is higher than 1000 DEG C in recovery area, increase the aperture of Air-regulating valves, so as to increase low-temperature flue gas(Tail gas)Inlet;Work as tail
When temperature is less than 700 DEG C in gas recovery area, reduce the aperture of Air-regulating valves, so as to reduce low-temperature flue gas(Tail gas)Inlet.
In summary, beneficial effects of the present invention:
1. a kind of circulating heat supply system of the present invention, eliminates original flue gas dilution device, using low-temperature flue gas(Tail
Gas)Temperature adjustment, make use of low-temperature flue gas(Tail gas)Heat energy while, save the manufacturing cost of device.
2. a kind of circulating heat supply system and its heat supply method of the present invention, effectively improve heat energy utilization, and pyrolysis is de-
Attached gas imports burning again, reduces the usage amount of combustion gas, has saved the energy.
3. a kind of heat supply method of energy-saving and emission-reduction of the present invention, is applied not only to soil remediation, it may also be used for after pollution
Oil-sludge treatment, municipal sludge pyrolysis, chemical engineering sludge pyrolysis and other fixed-end forces etc..
Brief description of the drawings
Fig. 1 is the structural representation of the present invention;
Fig. 2 is heat supply method flow chart of the present invention.
Embodiment
Specific examples below is only explanation of the invention, and it is not limitation of the present invention, art technology
Personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read, but as long as
All protected in scope of the presently claimed invention by Patent Law.
With embodiment, the present invention is described in detail below in conjunction with the accompanying drawings.
Embodiment 1:
According to Fig. 1, a kind of circulating heat supply system, including burner and pyrolysis desorption apparatus 3, burner includes, combustion
Burner 1 and combustion chamber 2;Pyrolysis desorption apparatus 3 is provided with gas approach 301, exhanst gas outlet 302 and pyrolysis desorption gas outlet 303;
Combustion chamber 2 includes, burning entrance region 201, the first combustion zone 202, the second combustion zone 203, tail gas recycle area 204 and heating flue gas
Outlet 205, wherein the first combustion zone 202, the second combustion zone 203 and tail gas recycle area 204 the flow of flue gas direction along along combustion chamber 2
Arrangement;The pyrolysis desorption gas import 2031 connected with pyrolysis desorption gas outlet 303 is provided with second combustion zone 203, tail gas is returned
Receive area 204 and be provided with the back-mixing gas approach 2041 connected with exhanst gas outlet 302, heating exhanst gas outlet 205 and gas approach 301
It is connected.
Pyrolysis desorption apparatus 3 includes:Inner furnace body 31 and external furnace body 32, inner furnace body 31 are nested in inside external furnace body 32, outer stove
Gap between body 32 and inner furnace body 31 is external heat chamber 321, and gas approach 301 and exhanst gas outlet 302 connect with external heat chamber 321
It is logical;Be that conveying mechanism 312 is provided with interior heating chamber 311, interior heating chamber in inner furnace body 31, pyrolysis desorption gas outlet 303 with it is interior
Heating chamber 311 is connected.
According to Fig. 2, a kind of circulation heating method, including:
1. fuel is sent into the first combustion zone 202, burning produces high-temperature flue gas, the first combustion zone 202 under the effect of burner 1
Interior temperature is more than 1100 DEG C;
2. high-temperature flue gas is cooled to after suitable temperature along the interior air-flow direction of combustion chamber 2 turns into heating flue gas;
3. heating flue gas forms low temperature cigarette after being handled from the feeding pyrolysis desorption apparatus 3 of gas approach 301 its materials inside
Gas, during which material produce pyrolysis gas under the heat effect of heating flue gas, material is arranged on the interior heating chamber of pyrolysis desorption apparatus 3
In 211, heating flue gas is passed through in external heat chamber 221 carries out indirectly heat to material;
4. pyrolysis gas is carried out again by being pyrolyzed desorption gas outlet 303 from pyrolysis desorption gas import 2031 into the second combustion zone 203
In secondary burning, the second combustion zone 203 temperature be 850 DEG C~1100 DEG C, low-temperature flue gas(Tail gas)By exhanst gas outlet 302 from back-mixing
Gas approach 2041 enters tail gas recycle area 204 and mix formation heating flue gas, tail gas recycle area after temperature adjustment with high-temperature flue gas
Temperature is 500 DEG C~800 DEG C in 204.
In the process of running, using feedback regulation mode, concrete mode is to be set in tail gas recycle area 204 to the circulatory system
There is temperature sensor, temperature sensor is thermocouple, and regulating the qi flowing in the channels is provided between exhanst gas outlet 302 and back-mixing gas approach 2041
Valve, Air-regulating valves mutually link with temperature sensor.When temperature is higher than 1000 DEG C in tail gas recycle area 204, increase Air-regulating valves
Aperture, so as to increase low-temperature flue gas(Tail gas)Inlet;When temperature is less than 700 DEG C in tail gas recycle area 204, reduce regulating the qi flowing in the channels
The aperture of valve, so as to reduce low-temperature flue gas(Tail gas)Inlet.
Following table is that the technical parameter of the present embodiment heat supply method technical parameter pair and common process is contrasted:
Embodiment 2:
A kind of soil pesticide thermal desorption device disclosed in CN201610276193.2, combustion chamber uses several heat conduction
Pipe is directly heated to rotating cylinder, and flue gas is divided into two strands in exhanst gas outlet 302, and one enters follow-up smoke processing system, and another stock leads to
Enter tail gas recycle area 204 to temperature adjustment., in this way, can will be additional low because the total amount of low temperature heat smoke is more
The timely discharge system of warm flue gas, can prevent the ash content in flue gas from being deposited in pipeline and combustion chamber.
Embodiment 3:
Flue gas is provided with failure safe valve in exhanst gas outlet 302, when the system failure, and the flue gas in tail gas recycle area 204 passes through
Valve enters smoke processing system, in this way, and the temperature that can effectively reduce in combustion chamber 2 is discharged in time, can be protected
It is pyrolyzed desorption apparatus 3.
Claims (9)
1. a kind of circulating heat supply system, including burner and pyrolysis desorption apparatus(3), it is characterised in that the burner
Including burner(1)And combustion chamber(2);The pyrolysis desorption apparatus(3)It is provided with gas approach(301), exhanst gas outlet
(302)With the outlet of pyrolysis desorption gas(303);The combustion chamber(2)Including burn entrance region(201), the first combustion zone(202)、
Second combustion zone(203), tail gas recycle area(204)With heating exhanst gas outlet(205);Second combustion zone(203)Place is set
Have and the outlet of pyrolysis desorption gas(303)The pyrolysis desorption gas import of connection(2031), the tail gas recycle area(204)Be provided with
Exhanst gas outlet(302)The back-mixing gas approach of connection(2041), heat exhanst gas outlet(205)With the gas approach(301)Phase
Even.
2. a kind of circulating heat supply system according to claim 1, it is characterised in that first combustion zone(202), second
Combustion zone(203)With tail gas recycle area(204)Along combustion chamber(2)Interior flow of flue gas direction arrangement.
3. a kind of circulating heat supply system according to claim 1, it is characterised in that the pyrolysis desorption apparatus(3)Including:
Inner furnace body(31)With external furnace body(32), the inner furnace body(31)It is nested in the external furnace body(32)Inside, the external furnace body(32)
With the inner furnace body(31)Between gap be external heat chamber(321), the gas approach(301)And exhanst gas outlet(302)With
The external heat chamber(321)Connection;The inner furnace body(31)Interior is interior heating chamber(311), it is provided with the interior heating chamber defeated
Send mechanism(312), the pyrolysis desorption gas outlet(303)With the interior heating chamber(311)It is connected.
4. a kind of circulation heating method, it is characterised in that including:1. fuel is sent into the first combustion zone(202)It is interior, in burner
(1)The lower burning of effect produces high-temperature flue gas, and 2. high-temperature flue gas is along combustion chamber(2)Interior air-flow direction cool to after suitable temperature into
For heating flue gas, flue gas is 3. heated from gas approach(301)Feeding pyrolysis desorption apparatus(3)After handling its materials inside
Low-temperature flue gas is formed, during which material produces pyrolysis desorption gas under the heat effect of heating flue gas, 4. pyrolysis desorption gas passes through heat
The outlet of solution desorption gas(303)Gas import is desorbed from pyrolysis(2031)Into the second combustion zone(203)Burnt again, low temperature cigarette
Gas passes through exhanst gas outlet(302)From back-mixing gas approach(2041)Into tail gas recycle area(204)Mixed with high-temperature flue gas
Heating flue gas is formed after temperature adjustment.
5. a kind of circulation heating method according to claim 4, it is characterised in that the step 3. in, material is arranged on
It is pyrolyzed desorption apparatus(3)Interior heating chamber(211)In, heating flue gas is passed through external heat chamber(221)In to material carry out indirectly plus
Heat.
6. a kind of circulation heating method according to claim 4, it is characterised in that first combustion zone(202)Interior temperature
Degree is more than 1100 DEG C.
7. a kind of circulation heating method according to claim 4, it is characterised in that second combustion zone(203)Interior temperature
Spend for 850 DEG C~1100 DEG C.
8. a kind of circulation heating method according to claim 4, it is characterised in that the tail gas recycle area(204)Interior temperature
Spend for 500 DEG C~850 DEG C.
9. a kind of circulation heating method according to claim 8, it is characterised in that the tail gas recycle area(204)Inside set
It is equipped with temperature sensor, the exhanst gas outlet(302)With back-mixing gas approach(2041)Between be provided with Air-regulating valves, the regulating the qi flowing in the channels
Valve mutually links with temperature sensor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710376000.5A CN107185956A (en) | 2017-05-25 | 2017-05-25 | A kind of circulating heat supply system and its heat supply method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710376000.5A CN107185956A (en) | 2017-05-25 | 2017-05-25 | A kind of circulating heat supply system and its heat supply method |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107185956A true CN107185956A (en) | 2017-09-22 |
Family
ID=59875686
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710376000.5A Pending CN107185956A (en) | 2017-05-25 | 2017-05-25 | A kind of circulating heat supply system and its heat supply method |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107185956A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108714621A (en) * | 2018-05-23 | 2018-10-30 | 昆明理工大学 | A kind of thermal desorption handles the method and system of organic polluted soil and desorption exhaust-gas treatment |
CN114904903A (en) * | 2022-05-27 | 2022-08-16 | 江苏省环境科学研究院 | Quick emergency thermal desorption device for petroleum hydrocarbon leakage contaminated soil |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102218446A (en) * | 2011-05-09 | 2011-10-19 | 北京生态岛科技有限责任公司 | Thermal desorption method for contaminated soil |
CN103990645A (en) * | 2014-05-12 | 2014-08-20 | 中节能六合天融环保科技有限公司 | A thermal desorption method for treating organically contaminated soil by utilization of boiler flue gas |
CN204247684U (en) * | 2014-11-21 | 2015-04-08 | 中冶赛迪工程技术股份有限公司 | The contaminated soil thermal desorption system of the efficient reuse of a kind of waste heat |
CN105583221A (en) * | 2016-02-25 | 2016-05-18 | 北京神雾环境能源科技集团股份有限公司 | Soil restoration system and soil restoration method thereof |
CN106635081A (en) * | 2017-01-25 | 2017-05-10 | 浙江宜可欧环保科技有限公司 | Pyrolyzation and desorption device for sludge |
CN107138515A (en) * | 2017-05-25 | 2017-09-08 | 浙江宜可欧环保科技有限公司 | A kind of heat supply method of energy-saving and emission-reduction |
-
2017
- 2017-05-25 CN CN201710376000.5A patent/CN107185956A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102218446A (en) * | 2011-05-09 | 2011-10-19 | 北京生态岛科技有限责任公司 | Thermal desorption method for contaminated soil |
CN103990645A (en) * | 2014-05-12 | 2014-08-20 | 中节能六合天融环保科技有限公司 | A thermal desorption method for treating organically contaminated soil by utilization of boiler flue gas |
CN204247684U (en) * | 2014-11-21 | 2015-04-08 | 中冶赛迪工程技术股份有限公司 | The contaminated soil thermal desorption system of the efficient reuse of a kind of waste heat |
CN105583221A (en) * | 2016-02-25 | 2016-05-18 | 北京神雾环境能源科技集团股份有限公司 | Soil restoration system and soil restoration method thereof |
CN106635081A (en) * | 2017-01-25 | 2017-05-10 | 浙江宜可欧环保科技有限公司 | Pyrolyzation and desorption device for sludge |
CN107138515A (en) * | 2017-05-25 | 2017-09-08 | 浙江宜可欧环保科技有限公司 | A kind of heat supply method of energy-saving and emission-reduction |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108714621A (en) * | 2018-05-23 | 2018-10-30 | 昆明理工大学 | A kind of thermal desorption handles the method and system of organic polluted soil and desorption exhaust-gas treatment |
CN114904903A (en) * | 2022-05-27 | 2022-08-16 | 江苏省环境科学研究院 | Quick emergency thermal desorption device for petroleum hydrocarbon leakage contaminated soil |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107138515A (en) | A kind of heat supply method of energy-saving and emission-reduction | |
CN106287758A (en) | A kind of low-temperature catalyzed exhaust-gas treatment of high temperature incineration utilizes system | |
CN114538728B (en) | Sludge treatment system and sludge treatment method | |
CN105258110A (en) | Boiler system adopting burning low-heating-value fuel gas and operation method for boiler system | |
CN101832568A (en) | Self-preheating waste gas incinerator | |
CN109539286A (en) | The purification treatment technique of glance coal in a kind of modified coal tar pitch production process | |
CN108386850B (en) | Heat accumulating type incineration treatment device for nitrogen-containing organic waste gas | |
CN104121591A (en) | Energy-saving efficient incinerator | |
CN103708744B (en) | Low-heat value gas thermal storage type limestone kiln | |
CN107185956A (en) | A kind of circulating heat supply system and its heat supply method | |
CN101586918A (en) | The multi-stage waste heat recovery device of industrial furnace high-temperature flue gas | |
CN105651069A (en) | Energy-saving environment-friendly efficient drying system | |
CN206724171U (en) | One kind uses coke-stove gas self-preheating type radiant tube combustion device | |
CN201093881Y (en) | Energy saving and drainage reducing industrial furnace system | |
CN109624134B (en) | Styrene butadiene rubber drying device and method for reducing waste gas emission | |
CN110449452A (en) | A kind of device and method of continuous internal-combustion mode renovation of organic pollution soil | |
CN214147937U (en) | Energy-saving single-runner high-concentration hot-side bypass over-temperature control system | |
CN205262226U (en) | Industrial stoves organic matter waste gas burns equipment of recycling | |
CN101413668B (en) | Full-automatic waste gas heating power incinerator | |
CN102878818A (en) | Heat supply system using waste heat in self-absorption type negative-pressure adjustable heat carrier furnace | |
CN209415474U (en) | A kind of waste heat recycling rotation RTO regenerative furnace | |
KR20100100137A (en) | Hot wind drying system and a drying method using a circulation of the waste gas | |
CN205448309U (en) | Gaseous heat conduction oil furnace of burning VOC | |
CN201059859Y (en) | Discharge gas burning central heating unit | |
TWM608052U (en) | Energy-saving dual-wheel high-concentration hot side bypass over temperature control system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170922 |