CN109708123A - A kind of pyrolysis gasification furnace and low heat value sludge bacteria residue pyrolytic gasification equipment - Google Patents
A kind of pyrolysis gasification furnace and low heat value sludge bacteria residue pyrolytic gasification equipment Download PDFInfo
- Publication number
- CN109708123A CN109708123A CN201910152359.3A CN201910152359A CN109708123A CN 109708123 A CN109708123 A CN 109708123A CN 201910152359 A CN201910152359 A CN 201910152359A CN 109708123 A CN109708123 A CN 109708123A
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- Prior art keywords
- pyrolysis gasification
- gasification furnace
- fire grate
- outlet
- bacteria residue
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- 238000002309 gasification Methods 0.000 title claims abstract description 56
- 238000000197 pyrolysis Methods 0.000 title claims abstract description 48
- 241000894006 Bacteria Species 0.000 title claims abstract description 37
- 239000010802 sludge Substances 0.000 title claims abstract description 37
- 238000005096 rolling process Methods 0.000 claims abstract description 20
- 239000000779 smoke Substances 0.000 claims abstract description 19
- 239000002699 waste material Substances 0.000 claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 15
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 230000009977 dual effect Effects 0.000 claims description 23
- 238000010304 firing Methods 0.000 claims description 23
- 238000007789 sealing Methods 0.000 claims description 15
- 230000007246 mechanism Effects 0.000 claims description 12
- 238000013016 damping Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 abstract description 25
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 239000010813 municipal solid waste Substances 0.000 description 24
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 5
- 239000003546 flue gas Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000005465 channeling Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 239000002361 compost Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000011194 food seasoning agent Nutrition 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Abstract
The invention discloses a kind of pyrolysis gasification furnaces, including furnace body, furnace body is sealable cavity, upper part is equipped with feed inlet and smoke outlet, lower part is equipped with ash outlet and air inlet, and inside is equipped with rotary fire grate and rolling fire grate, and rolling fire grate is located above rotary fire grate, rolling fire grate includes more rotatable fire bars arranged side by side, is provided with multiple flat protrusions on the outside of every fire bars.Multiple protrusions are uniformly arranged along fire bars outer peripheral sidewall by the three plurality of rows of forms of column.Two-by-two adjacent fire bars rotation direction on the contrary, and flat protrusion thereon be staggered.The fire bars is hollow tubular structure, offers multiple ventholes on hollow tube wall.The low heat value sludge bacteria residue pyrolytic gasification equipment including pyrolysis gasification furnace that the invention also discloses a kind of.The present invention uses the closed furnace body of updraft type, and is arranged by rolling fire grate and rotary fire grate, can be used for waste of low heating value processing, make the abundant pyrolysis and combustion of low heat value sludge bacteria residue, high combustion efficiency substantially increases environmental protection dynamics.
Description
Technical field
The present invention relates to incineration treatment of garbage technical fields, more particularly to a kind of pyrolysis gasification furnace and low heat value sludge bacteria
Slag pyrolytic gasification equipment.
Background technique
Sanitary landfills, compost and burning are mostly used for the processing mode of waste of low heating value (such as sludge bacteria residue rubbish) at present
Three kinds of modes carry out, which has the shortcomings that pollution environment, waste soil and consumption mass energy, because
It is imperative that this develops new sludge bacteria Slag treatment method and technique.The discharge amount of sludge bacteria residue rubbish how is reduced, is realized dirty
Innoxious, the minimizing, recycling of mud bacteria residue rubbish, sludge bacteria residue rubbish is turned waste into wealth, and realizes that municipal sludge bacteria residue is discarded
The resource recycling of object utilizes, and is an important topic in the management of China's modern city.
On above-mentioned background elementary, the present invention founds a kind of new pyrolysis gasification furnace and low heat value sludge bacteria residue pyrolytic gasification
Equipment, can be effective for the processing of waste of low heating value, and can reduce the discharge of dioxin when waste of low heating value burns, and rubbish
Rubbish processing capacity is strong, high-efficient, and becoming current industry pole needs improved target.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of pyrolysis gasification furnaces, can be effective for waste of low heating value
Processing, and the discharge of dioxin can be reduced, to overcome the shortcomings of existing waste incinerator.
In order to solve the above technical problems, the present invention provides a kind of pyrolysis gasification furnace, including furnace body, the furnace body is can be closed
Cavity, upper part be equipped with feed inlet and smoke outlet, its underpart be equipped with ash outlet and air inlet, the furnace interior be equipped with rotation
Converter row and rolling fire grate, the rolling fire grate are arranged in the top of the rotary fire grate, the rolling fire grate include more simultaneously
The rotatable fire bars of setting is arranged, is provided with multiple protrusions on the outside of every fire bars.
As an improvement of the present invention, the protrusion is flat protrusion, and the multiple flat protrusion is along the furnace
The outer peripheral sidewall of item is uniformly arranged by the three plurality of rows of forms of column.
It is further improved, the flat protrusion on the adjacent fire bars is staggered two-by-two.
It is further improved, the adjacent fire bars rotation direction is opposite two-by-two.
It is further improved, the fire bars is hollow tubular structure, offers multiple ventholes, institute on the tube wall of the hollow tube
State hollow tube end connection wind sector.
It is further improved, the rotary fire grate is using the furnace body axis as 360 ° of center circular-rotation, the ash outlet
The lower section of the rotary fire grate is set.
It is further improved, is provided with feeding warehouse at the feed inlet, being provided on the feeding-passage of the feeding warehouse can open
The first sealing plate and the second sealing plate that opens but cannot open simultaneously, first sealing plate and the second sealing plate and feeding warehouse storehouse
Wall surrounds sealed cabin body.
The present invention also provides a kind of the low heat value sludge bacteria residue pyrolytic gasification equipment including above-mentioned pyrolysis gasification furnace, the system
It is defeated including the feeding mechanism being connect with the pyrolysis gasification furnace feed inlet, the ash content being connect with the pyrolysis gasification furnace ash outlet
Send mechanism, and the dual firing chamber connecting with the pyrolysis gasification furnace smoke outlet and flame residence time chamber.
It is further improved, the feeding mechanism includes for transporting waste of low heating value to the pyrolysis gasification furnace feed inlet
Bucket elevator.
It is further improved, the dual firing chamber is connect by smoke exhaust pipe with the pyrolysis gasification furnace smoke outlet, and the smoke evacuation
The first air distribution outlet is offered on pipe, the dual firing chamber is internally provided with damping sheet and flame-isolating board, and the damping sheet is arranged described
Lower part in dual firing chamber, and tilted rearward is arranged, the flame-isolating board is vertically set on the top in the dual firing chamber；
The entrance of the flame residence time chamber is connect with the outlet of the dual firing chamber, the flame residence time chamber side wall
Equipped with the second air distribution outlet.
By adopting such a design, the present invention has at least the following advantages:
1, the present invention has the closed furnace body of updraft type of rotary fire grate and rolling fire grate by setting, can make waste of low heating value
Abundant pyrolysis and combustion is obtained, the discharge of dioxin can be reduced, the discharge index of the pyrolysis gasification furnace is made to be far superior to GB standard,
Substantially increase environmental protection dynamics.
2, of the invention by setting rotatable more fire bars structures arranged side by side for rolling fire grate, and outside fire bars
Flat protrusion is arranged in side, also make the rotation direction of adjacent fire bars two-by-two on the contrary, and the intersection of flat protrusion arrange, equal energy
So that block-like sludge bacteria residue rubbish is crushed uniformly, convenient for the full combustion of sludge bacteria residue rubbish, improves combustion efficiency, promoted
Efficiency of combustion.
3, the present invention on every fire bars also by opening up ventilation hole, and every fire bars is all connected with wind sector, plays anti-
The effect that sludge bacteria residue rubbish is only accumulated on the outside of fire bars, makes sludge bacteria residue garbage energy smoothly pass through rolling fire grate, and homogeneous powder
It falls after broken, is convenient for full combustion, further improving combustion efficiency.
4, the present invention makes the rotary fire grate with 360 ° of furnace body axis center circular-rotation also by setting rotary fire grate,
The sludge bacteria residue rubbish fallen from rolling fire grate can be made to be in and stir state, further ensure the abundant combustion of waste of low heating value
It burns.
5, the present invention easily realizes being transported up for sludge bacteria residue rubbish by the way that bucket lifting function is arranged, and also passes through ash content
The combustion residue that conveying mechanism falls ash outlet is delivered to ash-storing bin automatically, greatly improves the low heat value sludge bacteria residue heat
Solve the degree of automation of equipment for gasification.
6, the present invention can make low heat value also by the multistage combustion of dual firing chamber and flame residence time chamber to waste of low heating value
Garbage utilization self heat is able to full combustion, and entire combustion process does not need in addition to add auxiliary fuel, energy conservation and environmental protection, at
This is low.
Detailed description of the invention
The above is merely an overview of the technical solutions of the present invention, in order to better understand the technical means of the present invention, below
In conjunction with attached drawing, the present invention is described in further detail with specific embodiment.
Fig. 1 is the structural schematic diagram of low heat value sludge bacteria residue pyrolytic gasification equipment of the present invention.
Fig. 2 is the structural representation perspective view of pyrolysis gasification furnace of the present invention.
Fig. 3 is the cross-sectional view of line A-A in Fig. 2.
Fig. 4 is the structural schematic diagram that fire bars is rolled in pyrolysis gasification furnace of the present invention.
Fig. 5 is the axial schematic diagram that fire bars is rolled in pyrolysis gasification furnace of the present invention.
Specific embodiment
The present invention is a kind of low heat value sludge bacteria residue pyrolytic gasification equipment that can apply to sludge, bacteria residue rubbish, the low-heat
The sludge of 1500J/Kg, bacteria residue rubbish progress full combustion can be lower than to calorific value by being worth sludge bacteria residue pyrolytic gasification equipment.The present invention
Sludge, the bacteria residue rubbish of processing are the pre- blocky rubbish for first passing through hot-air seasoning, and specific embodiment is as follows.
Referring to shown in attached drawing 1, the present embodiment low heat value sludge bacteria residue pyrolytic gasification equipment, including can be to sludge bacteria residue rubbish
Carry out clean-burning pyrolysis gasification furnace, the feeding mechanism 1 connecting with the pyrolysis gasification furnace feed inlet 16 and the pyrolysis gasification furnace
The ash delivery mechanism 5 that ash outlet 4 connects, and the dual firing chamber 10 connecting with the pyrolysis gasification furnace smoke outlet 15 and flame stop
When compartment 11.
Referring to shown in attached drawing 2 to 5, which includes furnace body 2.The furnace body 2 is sealable cavity, and upper part is set
There are feed inlet 16 and smoke outlet 15, its underpart is equipped with ash outlet 4 and air inlet 8, is equipped with 3 He of rotary fire grate inside the furnace body 2
The top of the rotary fire grate 3 is arranged in rolling fire grate 14, the rolling fire grate 14.
Specifically, the rolling fire grate 14 includes more rotatable fire bars 20 arranged side by side, the outside of every fire bars 20
It is provided with multiple raised 21.The purpose of the protrusion is that the protrusion, which can play, crushes blocky sludge bacteria slag in fire bars rotation
Effect.
Preferred embodiment is, which uses flat protrusion, this two-by-two adjacent 20 rotation direction of fire bars on the contrary, and
Multiple flat raised 21 uniformly arrange along the outer peripheral sidewall of the fire bars 20 by the three plurality of rows of forms of column, two-by-two the adjacent furnace
Flat protrusion on item 20 is staggered, as shown in attached drawing 3,4,5.The purpose being arranged in this way are as follows: the rolling fire grate is able to achieve
Thinner crushing is realized to pre-dried sludge bulking, convenient for the full combustion of the sludge bacteria residue, improves efficiency of combustion.
It is further improved, which uses hollow tubular structure, multiple ventholes 22 are offered on the tube wall of the hollow tube,
The hollow tube end connects wind sector.Then wind sector is passed through gas to the hollow tube, which enters furnace from venthole 22
Inside body 2, it can play the role of preventing from accumulating sludge bacteria residue on the outside of fire bars, sludge bacteria residue garbage energy is made smoothly to pass through rolling oven
Row, and fall after uniformly crushing, it is convenient for full combustion, further improving combustion efficiency.
The rotary fire grate 3 can make using the furnace body axis as 360 ° of center circular-rotation from rolling fire grate 14 in the present embodiment
The sludge bacteria residue rubbish fallen is in and stirs state, further ensures the full combustion of waste of low heating value.
The top of the pyrolysis gasification furnace is equipped with feed inlet 16, is provided with feeding warehouse at the feed inlet 16, the feeding warehouse into
Material is provided with the first sealing plate 6 and the second sealing plate 7 that can be opened but cannot open simultaneously, 6 He of the first sealing plate on channel
Second sealing plate 7 and charging silo wall surround sealed cabin body.
The feeding mechanism 1 uses bucket elevator, for transporting waste of low heating value to the feed inlet of the pyrolysis gasification furnace
Place, at this moment the first sealing plate 6 is opened, and is entered rubbish in sealed cabin body, is turned off the first sealing plate 6, at this time the gas-tight silo
Physical efficiency completely cuts off exterior space, then opens the second sealing plate 7, enters rubbish in furnace body 2, is then able to achieve under air-tight state and feeds
Purpose.
The lower section of the rotary fire grate 14 is arranged in the ash outlet 4 of the pyrolysis gasification furnace, for furnace to be discharged in combustion residue
Body.The lower section of the ash outlet 4 of the present embodiment is additionally provided with ash delivery mechanism 5.The ash delivery mechanism 5 can be by ash outlet 4
The combustion residue fallen is delivered to ash-storing bin 13 automatically, saves manpower, greatly improves the low heat value sludge bacteria residue pyrolytic gasification
The degree of automation of equipment.
The top of the pyrolysis gasification furnace is equipped with smoke outlet 15, and lower part is equipped with air inlet 8, then the pyrolysis gasification furnace belongs to suction
Formula pyrolysis oven.The smoke outlet 15 is connect by smoke exhaust pipe with the dual firing chamber 10, and the first air distribution outlet 9 is offered on the smoke exhaust pipe,
The dual firing chamber 10 is internally provided with damping sheet and flame-isolating board, which is arranged in the lower part in the dual firing chamber 10, and rearward
It is obliquely installed, which is vertically set on the top in the dual firing chamber 10.The smoke outlet discharge combustion gas by smoke exhaust pipe into
Enter dual firing chamber 10, by the air distribution of the first air distribution outlet 9, mixed flue gas enters in dual firing chamber 10, flue gas under the action of damping sheet
Flow direction changes, and mixes in dual firing chamber's full combustion, flame after burning and flue gas again under the action of fireguard again
Stirring burning, while fireguard can prevent flame from directly channeling in the flame residence time chamber 11 of back.
The entrance of the flame residence time chamber 11 is connect with the outlet of the dual firing chamber 10, enters the flue gas flame of dual firing chamber
In the flame residence time chamber 11.The second air distribution being equipped with into the flue gas flame in the flame residence time chamber 11 in its side wall
Under the air distribution effect of mouth 12, further full combustion, while going out tar through row in flame residence time chamber, it is finally reached low heat value
The abundant pyrolysis and combustion of rubbish reduces dioxin, so that dioxin index is much better than GB standard, substantially increase environment
Protection.
Pyrolysis gasification furnace of the present invention uses updraft type pyrolysis oven, can be suitably used for the processing of waste of low heating value, solves existing
Pyrolysis oven can not handle the defect of waste of low heating value, and waste of low heating value can be made to obtain abundant pyrolysis and combustion, can reduce by two evils
The discharge of English substantially increases environmental protection dynamics.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, this
Field technical staff makes a little simple modification, equivalent variations or modification using the technology contents of the disclosure above, all falls within this hair
In bright protection scope.
Claims (10)
1. a kind of pyrolysis gasification furnace, which is characterized in that including furnace body, the furnace body be sealable cavity, upper part be equipped with into
Material mouth and smoke outlet, its underpart are equipped with ash outlet and air inlet, and the furnace interior is equipped with rotary fire grate and rolling fire grate, institute
The top that the rotary fire grate is arranged in rolling fire grate is stated, the rolling fire grate includes more rotatable furnaces arranged side by side
Item is provided with multiple protrusions on the outside of every fire bars.
2. pyrolysis gasification furnace according to claim 1, which is characterized in that the protrusion is flat protrusion, the multiple
Flat protrusion is uniformly arranged along the outer peripheral sidewall of the fire bars by the three plurality of rows of forms of column.
3. pyrolysis gasification furnace according to claim 2, which is characterized in that flat convex on the adjacent fire bars two-by-two
It rises and is staggered.
4. pyrolysis gasification furnace according to claim 3, which is characterized in that the adjacent fire bars rotation direction phase two-by-two
Instead.
5. pyrolysis gasification furnace according to any one of claims 1 to 4, which is characterized in that the fire bars is hollow tubular structure,
Multiple ventholes are offered on the tube wall of the hollow tube, the hollow tube end connects wind sector.
6. pyrolysis gasification furnace according to claim 5, which is characterized in that during the rotary fire grate with the furnace body axis is
The lower section of the rotary fire grate is arranged in 360 ° of circular-rotations of the heart, the ash outlet.
7. pyrolysis gasification furnace according to claim 1, which is characterized in that feeding warehouse is provided at the feed inlet, it is described
It is provided with the first sealing plate and the second sealing plate that can open but cannot open simultaneously on the feeding-passage of feeding warehouse, described first
Sealing plate and the second sealing plate and charging silo wall surround sealed cabin body.
8. a kind of low heat value sludge bacteria residue pyrolytic gasification equipment including any one of claim 1 to 7 pyrolysis gasification furnace,
It is characterized in that, connects including the feeding mechanism being connect with the pyrolysis gasification furnace feed inlet and the pyrolysis gasification furnace ash outlet
The ash delivery mechanism connect, and the dual firing chamber being connect with the pyrolysis gasification furnace smoke outlet and flame residence time chamber.
9. low heat value sludge bacteria residue pyrolytic gasification equipment according to claim 8, which is characterized in that the feeding mechanism packet
It includes for transporting waste of low heating value to the bucket elevator of the pyrolysis gasification furnace feed inlet.
10. low heat value sludge bacteria residue pyrolytic gasification equipment according to claim 8, which is characterized in that the dual firing chamber is logical
It crosses smoke exhaust pipe to connect with the pyrolysis gasification furnace smoke outlet, and offers the first air distribution outlet on the smoke exhaust pipe, the dual firing chamber
It is internally provided with damping sheet and flame-isolating board, the lower part in the dual firing chamber is arranged in the damping sheet, and tilted rearward is arranged,
The flame-isolating board is vertically set on the top in the dual firing chamber；
The entrance of the flame residence time chamber is connect with the outlet of the dual firing chamber, and the flame residence time chamber side wall is equipped with
Second air distribution outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910152359.3A CN109708123A (en) | 2019-02-28 | 2019-02-28 | A kind of pyrolysis gasification furnace and low heat value sludge bacteria residue pyrolytic gasification equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910152359.3A CN109708123A (en) | 2019-02-28 | 2019-02-28 | A kind of pyrolysis gasification furnace and low heat value sludge bacteria residue pyrolytic gasification equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109708123A true CN109708123A (en) | 2019-05-03 |
Family
ID=66265996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910152359.3A Pending CN109708123A (en) | 2019-02-28 | 2019-02-28 | A kind of pyrolysis gasification furnace and low heat value sludge bacteria residue pyrolytic gasification equipment |
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| Country | Link |
|---|---|
| CN (1) | CN109708123A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113339802A (en) * | 2021-05-07 | 2021-09-03 | 河南天辰环保装备研究院有限公司 | Incinerator for sintering hazardous waste by using medical waste incineration waste heat and use method thereof |
| CN113531558A (en) * | 2021-07-21 | 2021-10-22 | 重庆乐乐环保科技有限公司 | Municipal wastewater sludge self-sustaining smoldering treatment device |
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| CN2085486U (en) * | 1990-02-08 | 1991-09-25 | 姜子俊 | Civil briquet stove |
| JPH09280525A (en) * | 1996-04-17 | 1997-10-31 | Nippon Steel Corp | Vertical floating incinerator |
| CN106678824A (en) * | 2017-02-20 | 2017-05-17 | 长沙超梵环境科技有限公司 | Household garbage pyrolytic wet smoke cyclic utilization device and method |
| CN107830522A (en) * | 2017-11-30 | 2018-03-23 | 陶鸣 | A kind of pyrolysis gasification furnace |
| CN209893415U (en) * | 2019-02-28 | 2020-01-03 | 浙江中晟盛财环保科技有限公司 | Pyrolysis gasifier and low-calorific-value sludge bacterium residue pyrolysis gasification equipment |
-
2019
- 2019-02-28 CN CN201910152359.3A patent/CN109708123A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2356039A1 (en) * | 1973-11-09 | 1975-06-19 | Pauli Gmbh Waermetechnik | Multistep grate combustion furnace - for rubbish plus sludge, has sludge feeder responsive to heat output from rubbish burnt concurrently |
| CN2085486U (en) * | 1990-02-08 | 1991-09-25 | 姜子俊 | Civil briquet stove |
| JPH09280525A (en) * | 1996-04-17 | 1997-10-31 | Nippon Steel Corp | Vertical floating incinerator |
| CN106678824A (en) * | 2017-02-20 | 2017-05-17 | 长沙超梵环境科技有限公司 | Household garbage pyrolytic wet smoke cyclic utilization device and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113339802A (en) * | 2021-05-07 | 2021-09-03 | 河南天辰环保装备研究院有限公司 | Incinerator for sintering hazardous waste by using medical waste incineration waste heat and use method thereof |
| CN113531558A (en) * | 2021-07-21 | 2021-10-22 | 重庆乐乐环保科技有限公司 | Municipal wastewater sludge self-sustaining smoldering treatment device |
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Effective date of registration: 20200723 Address after: No. 172, Nanche Road, xiliuying village, Luancheng District, Shijiazhuang City, Hebei Province Applicant after: Hebei lairan Environmental Protection Technology Co., Ltd Address before: 100000 2-2-203, 26 south Ling Road, Beijing, Haidian District Applicant before: ZHEJIANG ZHONGSHENG SHENGCAI ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |