CN211060122U - Hazardous waste innocent treatment device - Google Patents
Hazardous waste innocent treatment device Download PDFInfo
- Publication number
- CN211060122U CN211060122U CN201922119305.5U CN201922119305U CN211060122U CN 211060122 U CN211060122 U CN 211060122U CN 201922119305 U CN201922119305 U CN 201922119305U CN 211060122 U CN211060122 U CN 211060122U
- Authority
- CN
- China
- Prior art keywords
- flue gas
- incinerator
- discharge port
- reaction tank
- residue
- 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
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- 239000002920 hazardous waste Substances 0.000 title claims abstract description 24
- 239000003546 flue gas Substances 0.000 claims abstract description 51
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 48
- 238000006243 chemical reaction Methods 0.000 claims abstract description 47
- 238000010926 purge Methods 0.000 claims abstract description 27
- 239000002893 slag Substances 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 13
- 238000000746 purification Methods 0.000 claims abstract description 13
- 238000002844 melting Methods 0.000 claims abstract description 7
- 230000008018 melting Effects 0.000 claims abstract description 7
- 239000000498 cooling water Substances 0.000 claims abstract description 5
- 238000007664 blowing Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000000779 smoke Substances 0.000 abstract description 11
- 239000002699 waste material Substances 0.000 abstract description 7
- 239000011521 glass Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 5
- 239000011449 brick Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000011819 refractory material Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000010881 fly ash Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002910 solid waste Substances 0.000 description 2
- 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 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000003895 groundwater pollution Methods 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000009270 solid waste treatment Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000004056 waste incineration Methods 0.000 description 1
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- Gasification And Melting Of Waste (AREA)
Abstract
The utility model provides a hazardous waste harmless treatment device, which comprises an incinerator, a collecting bin and an incineration reaction tank; the incinerator comprises a feed inlet, a smoke outlet and a slag discharge port, wherein the feed inlet is provided with a feed baffle door, and the smoke outlet is arranged at the upper part of the incinerator and connected with a smoke purification system; the slag discharge port is arranged at the bottom of the incinerator and is connected with the collecting bin; the bottom in the incinerator is inclined and is provided with a residue purging pipe, and the residue purging pipe is connected with a flue gas purification system through a flue gas channel; a stirrer is arranged in the collection bin, the incineration reaction tank is connected with an outlet of the collection bin, the other end of the incineration reaction tank is inclined downwards and is provided with a discharge port, and the discharge port is externally connected with a cooling water tank; the incineration reaction tank is also provided with a plurality of groups of plasma torches. The utility model discloses a plasma high temperature melting handles the residue, makes the residue generate the inert material of glass state, has eliminated the dangerous characteristic of residue, turns into the product for comprehensive utilization and provides feasible solution to further realize minimizing, innoxious, the resourceization of wastes material.
Description
Technical Field
The invention relates to the technical field of solid waste treatment, in particular to a hazardous waste harmless treatment device.
Background
The increasing generation amount of solid wastes, particularly hazardous wastes, in China becomes one of the factors restricting the ecological civilization construction, and how to solve the problem that the recycling and harmless treatment of the solid wastes, particularly the hazardous wastes, become important resource and environment problems. According to the annual book of Chinese statistics released by the State statistics bureau, the generation amount of dangerous waste in 2017 years in China is 6936 ten thousand tons, wherein incineration is a main treatment process of the dangerous waste, fly ash and residue generated after incineration are basically landfill treatment at present, a large amount of stabilizing/curing agents such as cement are required to be added, a large amount of land is occupied for safe landfill, but a safe landfill site with difficult site selection can not be infinitely increased, and the safe landfill treatment has environmental risks of groundwater pollution and the like due to leakage in the long run.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a hazardous waste harmless treatment device, wherein a residue collection bin and a plasma incineration tank are arranged at the tail part of a hazardous waste incinerator, and the residues are treated by adopting plasma high-temperature melting, so that the residues generate glassy inert substances, the dangerous characteristics of the residues are eliminated, and a feasible solution is provided for converting the residues into products by comprehensive utilization, thereby further realizing reduction, harmlessness and recycling of the wastes.
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
a hazardous waste innocent treatment device comprises an incinerator, a collecting bin and an incineration reaction tank; the incinerator comprises a feed inlet, a smoke discharge port and a slag discharge port, wherein the feed inlet is provided with a feed baffle door, and the smoke discharge port is arranged at the upper part of the incinerator and connected with a smoke purification system; the slag discharge port is arranged at the bottom of the incinerator and is connected with the collection bin; the bottom in the incinerator is inclined and is provided with a residue blowing pipe for blowing and discharging the residue in the incinerator to a residue discharge port; the residue purging pipe is externally connected with a flue gas channel, the flue gas channel is arranged on one side of the incinerator, the other end of the flue gas channel is connected with a flue gas purification system, an induced draft fan is arranged on the flue gas channel, and flue gas discharged by the flue gas purification system is introduced into the residue purging pipe through the induced draft fan; the collecting bin is provided with a collecting bin inlet and a collecting bin outlet, the collecting bin inlet is connected with the slag discharge port, auxiliary material adding ports are arranged on two sides of the collecting bin inlet, a stirrer is arranged in the collecting bin and transversely arranged in the collecting bin, the end part of the stirrer is right opposite to the collecting bin outlet, a stirring shaft of the stirrer is externally connected with a motor, and the motor provides rotating power; one end of the incineration reaction tank is connected with an outlet of the collection bin, the other end of the incineration reaction tank is inclined downwards by a certain angle and is provided with a discharge port, and the discharge port is externally connected with a cooling water tank; the incineration reaction tank is also provided with a plurality of groups of plasma torches, and the plasma torches are arranged on the side wall of the incineration reaction tank at equal intervals and are used for carrying out melting treatment on residues in the incineration reaction tank.
In order to optimize the technical scheme, the specific measures adopted further comprise:
the inclination angle of the bottom of the incinerator is 5-15 degrees, and a slag discharge baffle door is arranged at the joint of the slag discharge port and the collection bin inlet.
The residue purging pipe is provided with 6 groups of air outlet pipes, the 6 groups of air outlet pipes are communicated with the flue gas channel, the air outlet pipes are arranged in parallel at equal intervals along the bottom of the incinerator, and the pipe orifices of the air outlet pipes point to the direction of the residue discharge port.
The gas outlet pipe is made of a stainless steel pipe, and the pipe diameter of the gas outlet pipe is 2-5 cm.
The downward inclination angle of the incineration reaction tank is 5-15 degrees.
And a baffle door at the outlet of the collecting bin is arranged at the joint of the collecting bin and the burning reaction tank.
Be equipped with the reaction tank access door hole on foretell burning reaction tank, the reaction tank access door hole locate between the plasma torch of adjacent arranging.
The caliber of the discharge port is 150-250 mm.
The smoke purging pipeline is provided with a smoke purging baffle door, and the smoke purging baffle door is arranged in front of the induced draft fan and used for controlling the start and stop of smoke purging.
Compared with the prior art, the invention has the advantages that:
the tail part of the hazardous waste incinerator is provided with the residue collection bin and the plasma incineration tank, and the residues are subjected to plasma high-temperature melting treatment to generate glass-state inert substances, so that the hazardous characteristics of the residues are eliminated, and a feasible solution is provided for comprehensive utilization and conversion into products, so that the reduction, harmlessness and recycling of the wastes are further realized; and meanwhile, purified flue gas is recycled for the second time, resources are integrated, the operation cost is reduced, and harmless treatment of residues generated after hazardous waste incineration is realized.
Drawings
FIG. 1 is a schematic diagram of the structure of the apparatus of the present invention.
FIG. 2 is a schematic view of the configuration of the residue purge pipe of the present invention.
FIG. 3 is a partially enlarged view showing the connection between the collecting bin and the incineration reaction tank according to the present invention.
In the figure, the serial numbers of 1-incinerator, 2-collection bin, 3-incineration reaction tank, 4-flue gas purification system, 5-residue purging pipe, 6-flue gas channel, 7-induced draft fan, 8-plasma torch, 11-feed inlet, 12-flue gas discharge outlet, 13-slag discharge port, 14-feed baffle door, 15-slag discharge baffle door, 21-collection bin inlet, 22-collection bin outlet, 23-auxiliary material addition port, 24-stirrer, 25-collection bin outlet baffle door, 26-motor, 31-discharge port, 32-reaction tank access door hole, 51-air outlet pipe and 61-purging flue gas baffle door.
Detailed Description
The invention is further illustrated by the following figures and examples.
Referring to fig. 1, a hazardous waste harmless treatment device comprises an incinerator 1, a collecting bin 2 and an incineration reaction tank 3; the incinerator 1 comprises a feed inlet 11, a flue gas discharge port 12 and a slag discharge port 13, wherein a feed baffle door 14 is arranged at the feed inlet, and the flue gas discharge port 12 is arranged at the upper part of the incinerator 1 and is connected with a flue gas purification system 4; the slag discharge port 13 is arranged at the bottom of the incinerator 1 and is connected with the collection bin 2; the technical performance of the refractory material adopted by the incinerator 1 of the invention should meet the requirements of the combustion atmosphere of the incinerator, the feeding mode of the incinerator 1 is feeding by a spiral pusher, and a feeding baffle door 14 arranged at a feeding hole is used for preventing flue gas from entering; the bottom in the incinerator 1 is inclined and is provided with a residue blowing pipe 5 for blowing the residue in the incinerator 1 to a residue discharge port 13 and discharging the residue, preferably, the bottom of the incinerator 1 is inclined at an angle of 5-15 degrees, and the residue can be helped to rapidly enter the collection bin 2; the residue purging pipe 5 is externally connected with a flue gas channel 6, the flue gas channel 6 is arranged on one side of the incinerator 1, the other end of the flue gas channel 6 is connected with the flue gas purification system 4, an induced draft fan 7 is arranged on the flue gas channel 6, and flue gas discharged by the flue gas purification system 4 is introduced into the residue purging pipe 5 through the induced draft fan 7; the induced draft fan 7 is frequency conversion equipment, and power is switched according to the amount of the residues, so that the size of the gas outlet of the residue purging pipe 3 is realized, preferably, the model of the induced draft fan selected in the embodiment is Y5-51-1, the flue gas channel 6 is a carbon steel anti-corrosion flue, and the purified flue gas generated by the incinerator 1 is introduced, so that the blockage of the residue purging pipe 5 is prevented.
Referring to fig. 1 and 3, in the embodiment, a collection bin inlet 21 and a collection bin outlet 22 are arranged on a collection bin 2, the collection bin inlet 21 is connected with a slag discharge port 13, a slag discharge baffle door 15 is arranged at the connection position of the slag discharge port 13 and the collection bin inlet 21, auxiliary material adding ports 23 are arranged on two sides of the collection bin inlet 21, auxiliary materials required for disposal by a back-stage plasma torch 8 are added according to different types of hazardous wastes to be disposed, a stirrer 24 is arranged in the collection bin 2, the stirrer 24 is transversely arranged in the collection bin 2, the end of the stirrer 24 is opposite to the collection bin outlet 22, a stirring shaft of the stirrer 24 is externally connected with a motor 26, preferably, the motor is a motor of a model TC 90L-2, the stirrer is of a model QABP225M2A, the motor 26 provides rotation power, the stirrer 24 realizes full mixing of the auxiliary materials and the residues, and simultaneously realizes deposition of the residues in the collection bin 2 through stirring, and is beneficial to be discharged into a residue incineration reaction tank 3, wherein the materials of the collection bin inlet 21, the slag discharge port 15 and the stirrer 24 are not lower.
In the embodiment, one end of the incineration reaction tank 3 is connected with the collection bin outlet 22, the other end of the incineration reaction tank is inclined downwards by a certain angle and is provided with a discharge port 31, the discharge port 31 is externally connected with a cooling water tank, preferably, the incineration reaction tank 3 is inclined downwards by an angle of 5-15 degrees, and residues enter the incineration reaction tank 3 under the action of gravity; the reaction tank 3 is internally provided with refractory materials which can resist temperature not lower than 1600 ℃, and the refractory materials can be refractory bricks, high-alumina bricks, silica bricks or magnesia bricks and the like; the incineration reaction tank 3 is also provided with a plurality of groups of plasma torches 8, the plasma torches 8 are arranged on the side wall of the incineration reaction tank 3 at equal intervals, the plasma torches generate high-temperature gas through electric arcs, can work in an oxidation, reduction or inert environment, can provide a heat source for industrial furnaces with various functions of gasification, cracking, reaction, melting, smelting and the like, and is mainly used for melting treatment of residues in the incineration reaction tank 3 in the embodiment.
The flue gas purification system 4 is used for purifying flue gas at an outlet of an incinerator, mainly comprises a lime slurry preparation system, a rotary spray drying deacidification reaction tower, activated carbon jet adsorption, a bag-type dust collector, a fly ash conveying and storage system and the like, can effectively control the discharge of harmful gases such as hydrogen chloride, sulfur dioxide, dioxin and the like and smoke dust, and has a specific structure which is the prior art well known by the technical personnel in the field, so the detailed description is omitted.
Referring to fig. 2, in the present embodiment, the residue purging pipe 5 is provided with 6 sets of air outlet pipes 51, the 6 sets of air outlet pipes 51 are all communicated with the flue gas channel 6, the air outlet pipes 51 are arranged in parallel at equal intervals along the bottom of the incinerator 1, and the pipe orifice of the air outlet pipe 51 points to the direction of the residue discharge port 13, preferably, the air outlet pipe 51 is made of a stainless steel pipe, and has a pipe diameter of 2-5 cm and is not lower than the temperature of the temperature-resistant residue.
Referring to fig. 1, in this embodiment, a reaction tank access door 32 is disposed on the incineration reaction tank 3, and the reaction tank access door 32 is disposed between the plasma torches 8 which are adjacently arranged; the caliber of the discharge port 31 is 150-250 mm, preferably 200mm, so that the molten residues can be conveniently dredged under the condition of coking at the discharge port 31 when cooled.
Referring to fig. 1, in this embodiment, a purging flue gas baffle 61 is arranged on the flue gas channel 6, the purging flue gas baffle 61 is arranged in front of the induced draft fan 7, the baffle is electrically controlled, and start and stop of flue gas purging are controlled by automatic start and stop of the baffle.
The working process of the invention is as follows:
dangerous waste enters the incinerator 1 through the feed inlet 11, after the dangerous waste is fully incinerated in the incinerator 1, the slag discharge baffle door 15 is opened, and residues enter the collecting bin 2 under the combined action of the inclination existing at the bottom of the incinerator 1 and flue gas sprayed from the residue purging pipe 5; the entrance and both sides of the collection bin 2 are provided with auxiliary material adding ports 23, the properties of the hazardous waste are analyzed before the hazardous waste enters the incinerator 1, the auxiliary material to be added is determined according to the test result, the stirrer 24 in the collection bin 2 is started after the auxiliary material is added, the residue and the auxiliary material are fully mixed after stirring for 10-15 min, after the stirring is completed, the baffle door 25 at the outlet of the collection bin is started, the residue enters the incineration reaction tank 3 under the action of gravity, the plasma torch 8 is started simultaneously, the residue is molten through high-temperature flame, the finally processed residue is discharged from the discharge port 31, enters the cooling water tank, and is quenched into glassy inert substances.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (9)
1. The utility model provides a hazardous waste innocent treatment device which characterized in that: comprises an incinerator (1), a collecting bin (2) and an incineration reaction tank (3); the incinerator (1) comprises a feeding port (11), a flue gas discharge port (12) and a slag discharge port (13), wherein a feeding baffle door (14) is arranged at the feeding port, and the flue gas discharge port (12) is arranged at the upper part of the incinerator (1) and is connected with a flue gas purification system (4); the slag discharge port (13) is arranged at the bottom of the incinerator (1) and is connected with the collection bin (2); the bottom in the incinerator (1) is inclined and is provided with a residue blowing pipe (5) for blowing and discharging the residue in the incinerator (1) to a residue discharge port (13); the residue purging pipe (5) is externally connected with a flue gas channel (6), the flue gas channel (6) is arranged on one side of the incinerator (1), the other end of the flue gas channel (6) is connected with a flue gas purification system (4), an induced draft fan (7) is arranged on the flue gas channel (6), and flue gas discharged by the flue gas purification system (4) is introduced into the residue purging pipe (5) through the induced draft fan (7); the collecting bin (2) is provided with a collecting bin inlet (21) and a collecting bin outlet (22), the collecting bin inlet (21) is connected with a slag discharge port (13), auxiliary material adding ports (23) are formed in the two sides of the collecting bin inlet (21), a stirrer (24) is arranged in the collecting bin (2), the stirrer (24) is transversely arranged in the collecting bin (2), the end part of the stirrer (24) is just opposite to the collecting bin outlet (22), a stirring shaft of the stirrer (24) is externally connected with a motor (26), and the motor (26) provides rotating power; one end of the incineration reaction tank (3) is connected with the collection bin outlet (22), the other end of the incineration reaction tank is inclined downwards by a certain angle and is provided with a discharge port (31), and the discharge port (31) is externally connected with a cooling water pool; the incineration reaction tank (3) is also provided with a plurality of groups of plasma torches (8), and the plasma torches (8) are arranged on the side wall of the incineration reaction tank (3) at equal intervals and are used for carrying out melting treatment on residues in the incineration reaction tank (3).
2. The hazardous waste harmless treatment device according to claim 1, wherein: the bottom inclination angle of the incinerator (1) is 5-15 degrees, and a slag discharge baffle door (15) is arranged at the joint of the slag discharge port (13) and the collection bin inlet (21).
3. The hazardous waste harmless treatment device according to claim 2, wherein: the residue purging pipe (5) is provided with 6 groups of air outlet pipes (51), the 6 groups of air outlet pipes (51) are communicated with the flue gas channel (6), the air outlet pipes (51) are arranged in parallel at equal intervals along the bottom of the incinerator (1), and the pipe orifices of the air outlet pipes (51) point to the direction of the residue discharge port (13).
4. The hazardous waste harmless treatment device according to claim 3, wherein: the air outlet pipe (51) is a stainless steel pipe with the pipe diameter of 2-5 cm.
5. The hazardous waste harmless treatment device according to claim 1, wherein: the downward inclination angle of the incineration reaction tank (3) is 5-15 degrees.
6. The hazardous waste harmless treatment device according to claim 5, wherein: and a collecting bin outlet baffle door (25) is arranged at the joint of the collecting bin (2) and the burning reaction tank (3).
7. The hazardous waste harmless treatment device according to claim 1, wherein: the incineration reaction tank (3) is provided with a reaction tank access door hole (32), and the reaction tank access door hole (32) is arranged between the adjacent arranged plasma torches (8).
8. The hazardous waste harmless treatment device according to claim 1, wherein: the caliber of the discharge port (31) is 150-250 mm.
9. The hazardous waste harmless treatment device according to claim 1, wherein: and a purging flue gas baffle door (61) is arranged on the flue gas channel (6), and the purging flue gas baffle door (61) is arranged in front of the induced draft fan (7) and used for controlling the start and stop of flue gas purging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922119305.5U CN211060122U (en) | 2019-12-02 | 2019-12-02 | Hazardous waste innocent treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922119305.5U CN211060122U (en) | 2019-12-02 | 2019-12-02 | Hazardous waste innocent treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211060122U true CN211060122U (en) | 2020-07-21 |
Family
ID=71588846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922119305.5U Expired - Fee Related CN211060122U (en) | 2019-12-02 | 2019-12-02 | Hazardous waste innocent treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211060122U (en) |
-
2019
- 2019-12-02 CN CN201922119305.5U patent/CN211060122U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200721 |
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| CF01 | Termination of patent right due to non-payment of annual fee |