CN208253594U - A kind of crushing system for dangerous waste incineration - Google Patents

A kind of crushing system for dangerous waste incineration Download PDF

Info

Publication number
CN208253594U
CN208253594U CN201820248501.5U CN201820248501U CN208253594U CN 208253594 U CN208253594 U CN 208253594U CN 201820248501 U CN201820248501 U CN 201820248501U CN 208253594 U CN208253594 U CN 208253594U
Authority
CN
China
Prior art keywords
pulverization cylinder
gas treatment
crushing system
waste incineration
treatment tank
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
Application number
CN201820248501.5U
Other languages
Chinese (zh)
Inventor
雷磊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Environmental Science And Technology Co Ltd
Original Assignee
Jiangsu Environmental Science And Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangsu Environmental Science And Technology Co Ltd filed Critical Jiangsu Environmental Science And Technology Co Ltd
Priority to CN201820248501.5U priority Critical patent/CN208253594U/en
Application granted granted Critical
Publication of CN208253594U publication Critical patent/CN208253594U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Processing Of Solid Wastes (AREA)

Abstract

The utility model provides a kind of crushing system for dangerous waste incineration, belong to field of crushing equipment, including pulverization cylinder, pulverization cylinder successively includes stainless steel inner layer from inside to outside, sound insulation middle layer and stainless steel outer layer, it is equipped with and is located above grinding device in pulverization cylinder, the thermal insulation board that can be overturn, thermal insulation board, pulverization cylinder and hopper constitute heating room, base is equipped with emission-control equipment and heating device, emission-control equipment, heating device is connected to heating room respectively, the inner sidewall of pulverization cylinder, which is equipped with to be located at, heats indoor temperature sensor and humidity sensor, the lateral wall of pulverization cylinder is equipped with controller, temperature sensor, humidity sensor and motor are mutually electrically connected with controller respectively;The utility model solves the problems, such as that noise existing for existing crusher is greatly and ineffective.

Description

A kind of crushing system for dangerous waste incineration
Technical field:
The utility model belongs to field of crushing equipment, and in particular to a kind of crushing system for dangerous waste incineration.
Background technique:
It during dangerous waste incineration, cannot directly enter incinerator since hazardous waste size is larger, should first use Crusher carries out break process to it.
The Chinese patent literature house refuse dedicated crusher (application number that on November 9th, 2016 is announced CN201521030461.X), the sieve plate and crushing device including shell, in the middle part of shell inner cavity, the top of shell are equipped with The inner cavity of shell is divided into superposed crushing chamber and positioned at the storage compartment of lower part, crushing chamber and feed inlet by feed inlet, sieve plate Connection, crushing device are rotatably arranged in crushing chamber, and house refuse enters crushing chamber from feed inlet, broken through crushing device House refuse through entering storage compartment after sieve plate sieving.
But this be used for crusher there are noise greatly and ineffective problem.
Utility model content:
The purpose of this utility model is to provide a kind of broken system for dangerous waste incineration in view of the above problems System, the crushing system for being used for dangerous waste incineration solve noise existing for existing crusher and ask with ineffective greatly Topic.
Above-mentioned purpose is realized by following technical scheme:
The top of a kind of crushing system for dangerous waste incineration, including pulverization cylinder, the pulverization cylinder is equipped with hopper, institute The bottom end for stating hopper is equipped with valve, and the bottom end of the pulverization cylinder is equipped with base, is equipped with grinding device, the powder in the pulverization cylinder Be equipped with the sieve plate being located at below the grinding device in broken cylinder, the two sides of the pulverization cylinder adjacent to bottom end be respectively equipped with blower, Discharge nozzle, it is characterised in that: the pulverization cylinder from inside to outside successively include stainless steel inner layer, sound insulation middle layer and stainless steel outer layer, It is equipped in the pulverization cylinder and is located at thermal insulation board above the grinding device, can overturning, the thermal insulation board, the pulverization cylinder Heating room is constituted with the hopper, the base is equipped with emission-control equipment and heating device, the emission-control equipment, institute Heating device to be stated to be connected to the heating room respectively, the grinding device includes rotation axis, agitating paddle, Disintegrating knife and motor, The rotation axis is arranged in the pulverization cylinder, and the agitating paddle and the Disintegrating knife are arranged in the rotation axis, described Auxiliary agitating roller is equipped in agitating paddle, the motor is arranged in one end of the rotation axis, sets on the inner sidewall of the pulverization cylinder Have and be located at the indoor temperature sensor of the heating and humidity sensor, the lateral wall of the pulverization cylinder is equipped with controller, institute Temperature sensor, the humidity sensor and the motor is stated mutually to be electrically connected with the controller respectively.
Preferably, the sound insulation middle layer is made in honeycomb and of sound insulation felt material.
Preferably, mounting hole is equipped in the thermal insulation board, the side wall of the pulverization cylinder is equipped with across the mounting hole One end of shaft, the shaft is equipped with driving motor.
Preferably, the driving motor is mutually electrically connected with the controller.
Preferably, aeroge is filled in the thermal insulation board.
Preferably, the emission-control equipment includes waste gas treatment tank, air intake duct, switching control pilot and axial flow blower, institute It states and is equipped with exhaust gas adsorption plate in waste gas treatment tank, the surface of the exhaust gas adsorption plate is equipped with venthole, in the exhaust gas adsorption plate Equipped with bamboo charcoal particle, one end of the air intake duct is connected to the waste gas treatment tank, and the other end connection of the air intake duct is described to be added Hot cell, the switching control pilot are mounted on the air intake duct.
Preferably, it is equipped with spray tube close to top in the waste gas treatment tank, the lower end of the spray tube is equipped with atomization spray The top surface of head, the waste gas treatment tank is equipped with water tank and pulsating pump, is connected with water inlet pipe between the pulsating pump and the water tank, Outlet pipe is connected between the pulsating pump and spray tube, the bottom surface of the waste gas treatment tank is equipped with drainpipe, the drainpipe It is equipped with control valve.
Preferably, the heating device includes air-heater, hot air pipe and regulating valve, described in one end connection of the hot air pipe The other end of air-heater, the hot air pipe is connected to the heating room, and the regulating valve is mounted on the hot air pipe.
Compared with prior art, the utility model has the beneficial effects that
1. pulverization cylinder described in the utility model successively includes outside stainless steel inner layer, sound insulation middle layer and stainless steel from inside to outside Layer, solves the problems, such as that noise existing for existing crusher is big.
2. sound insulation middle layer described in the utility model is made in honeycomb and of sound insulation felt material, pulverization cylinder is significantly reduced The noise of interior generation is to external diffusion.
3. be equipped in pulverization cylinder described in the utility model be located at it is above the grinding device, can overturn it is heat-insulated Plate, the thermal insulation board, the pulverization cylinder and the hopper constitute heating room, and the base is equipped with emission-control equipment and heating Device, the emission-control equipment, the heating device are connected to the heating room respectively, unfavorable for moist hazardous waste In the crushing of pulverizer, is conducive to dry moist hazardous waste by setting heating room, is conducive to crush, improves work Efficiency, and thermogenetic exhaust gas will be added to carry out purified treatment, reduce the pollution to environment.
4. the inner sidewall of pulverization cylinder described in the utility model be equipped be located at the indoor temperature sensor of the heating and Humidity sensor, the lateral wall of the pulverization cylinder are equipped with controller, the temperature sensor, the humidity sensor and described Motor is mutually electrically connected with the controller respectively, and temperature sensor and humidity sensor is arranged, and to be conducive to measurement heating indoor Temperature signal and moisture signal are passed to controller by temperature and humidity, temperature sensor, humidity sensor, and on the controller Display.
5. grinding device described in the utility model includes rotation axis, agitating paddle, Disintegrating knife and motor, the rotation axis It is arranged in the pulverization cylinder, the agitating paddle and the Disintegrating knife are arranged in the rotation axis, set in the agitating paddle There is auxiliary agitating roller, one end of the rotation axis is arranged in the motor, improves the working efficiency of pulverizer crushing.
6. being equipped with mounting hole in thermal insulation board described in the utility model, the side wall of the pulverization cylinder is equipped with across the peace The shaft in hole is filled, one end of the shaft is equipped with driving motor, and when heating the hazardous waste drying of indoor moisture, thermal insulation board is in Horizontality, valve are closed;At the end of hazardous waste is dried, it will drive thermal insulation board in the driving lower rotary shaft of driving motor and turned over Turn, the grinding device that hazardous waste enters lower section crushes, and opens valve and is dried again into hazardous waste.
7. driving motor described in the utility model is mutually electrically connected with the controller, driving electricity is controlled by controller The operating of machine.
8. being filled with aeroge in thermal insulation board described in the utility model, heat-insulated effect is improved.
9. emission-control equipment described in the utility model includes waste gas treatment tank, air intake duct, switching control pilot and axis stream Blower, the waste gas treatment tank is interior to be equipped with exhaust gas adsorption plate, and the surface of the exhaust gas adsorption plate is equipped with venthole, and the exhaust gas is inhaled Bamboo charcoal particle is equipped in attached plate, one end of the air intake duct is connected to the waste gas treatment tank, the other end connection of the air intake duct The heating room, the switching control pilot are mounted on the air intake duct, and axial flow blower will heat indoor exhaust gas and pass through air-breathing Pipe is passed through in waste gas treatment tank, and exhaust gas passes through bamboo charcoal particle in exhaust gas adsorption plate again and adsorbed, heated room early period in heating Switching control pilot is closed in journey, can be evaporated moisture in moist hazardous waste until heating room temperature, can be turned on the switch control Valve processed.
10. being equipped with spray tube close to top in waste gas treatment tank described in the utility model, the lower end of the spray tube is set There is atomizer, the top surface of the waste gas treatment tank is equipped with water tank and pulsating pump, connects between the pulsating pump and the water tank There is water inlet pipe, outlet pipe is connected between the pulsating pump and spray tube, the bottom surface of the waste gas treatment tank is equipped with drainpipe, institute Drainpipe is stated equipped with control valve, absorption pump sucks the water in water tank by water inlet pipe, spray tube is delivered to by outlet pipe, Water enters atomizer ejection in spray tube, by exhaust gas as droplet enters the bottom surface of waste gas treatment tank, waits until waste gas treatment tank When inner storing water is excessive, control valve is opened, sewage is discharged.
11. heating device described in the utility model includes air-heater, hot air pipe and regulating valve, one end of the hot air pipe It is connected to the air-heater, the other end of the hot air pipe is connected to the heating room, and the regulating valve is mounted on the hot air pipe, Air-heater is passed through hot wind to heating interior by hot air pipe and improves the indoor temperature of heating, and regulating valve is then used to adjust heat The supply situation of wind.
Detailed description of the invention:
Attached drawing is used to provide to further understand the utility model, and constitutes part of specification, practical new with this The embodiment of type is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the sectional view of pulverization cylinder;
Appended drawing reference: 1, pulverization cylinder;11, stainless steel inner layer;12, sound insulation middle layer;13, stainless steel outer layer;2, hopper;3, valve Door;4, base;5, grinding device;51, rotation axis;52, agitating paddle;53, Disintegrating knife;54, motor;55, agitating roller is assisted;6, Sieve plate;7, blower;8, discharge nozzle;9, thermal insulation board;10, room is heated;14, emission-control equipment;141, waste gas treatment tank; 142, air intake duct;143, switching control pilot;144, axial flow blower;145, exhaust gas adsorption plate;15, heating device;151, air-heater; 152, hot air pipe;153, regulating valve;16, temperature sensor;17, humidity sensor;18, controller;19, shaft;20, driving electricity Machine;21, spray tube;22, atomizer;23, water tank;24, pulsating pump;25, water inlet pipe;26, outlet pipe;27, drainpipe;28, Control valve.
Specific embodiment:
As shown in Fig. 1-2, a kind of crushing system for dangerous waste incineration, including pulverization cylinder 1, the top of pulverization cylinder 1 Equipped with hopper 2, the bottom end of hopper 2 is equipped with valve 3, and the bottom end of pulverization cylinder 1 is equipped with base 4, is equipped with grinding device 5 in pulverization cylinder 1, The sieve plate 6 for being located at 5 lower section of grinding device is equipped in pulverization cylinder 1, the two sides of pulverization cylinder 1 are respectively equipped with blower 7 adjacent to bottom end, go out Expects pipe 8.
Pulverization cylinder 1 successively includes stainless steel inner layer 11, sound insulation middle layer 12 and stainless steel outer layer 13 from inside to outside, is solved existing The big problem of noise existing for some crushers.
Sound insulation middle layer 12 in honeycomb and being made of sound insulation felt material, significantly reduce the noise that is generated in pulverization cylinder 1 to External diffusion.
Thermal insulation board 9 being located at 5 top of grinding device, can overturning, thermal insulation board 9,1 and of pulverization cylinder are equipped in pulverization cylinder 1 Hopper 2 constitutes heating room 10, and base 4 is equipped with emission-control equipment 14 and heating device 15, emission-control equipment 14, heating Device 15 is connected to heating room 10 respectively, is unfavorable for the crushing of pulverizer for moist hazardous waste, heats room by setting 10 are conducive to dry moist hazardous waste, are conducive to crush, improve work efficiency, and thermogenetic exhaust gas will be added to carry out Purified treatment reduces the pollution to environment.
The inner sidewall of pulverization cylinder 1 is equipped with the temperature sensor 16 and humidity sensor 17 being located in heating room 10, crushes The lateral wall of cylinder 1 is equipped with controller 18, and temperature sensor 16, humidity sensor 17 are electrically connected with 18 phase of controller respectively, Temperature sensor 16 is set and humidity sensor 17 is conducive to temperature and humidity in measurement heating room 10, temperature sensor 16, Temperature signal and moisture signal are passed to controller 18 by humidity sensor 17, and are shown on controller 18.
Grinding device 5 includes rotation axis 51, agitating paddle 52, Disintegrating knife 53 and motor 54, and the setting of rotation axis 51 is crushing In cylinder 1, agitating paddle 52 and Disintegrating knife 53 are arranged in rotation axis 51, and auxiliary agitating roller 55, motor 54 are equipped in agitating paddle 52 One end of rotation axis 51 is set, and motor 54 is electrically connected with 18 phase of controller, and controller 18 controls the operating feelings of motor 54 Condition improves the working efficiency of pulverizer crushing.
It is equipped with mounting hole in thermal insulation board 9, the side wall of pulverization cylinder 1 is equipped with the shaft 19 across mounting hole, and the one of shaft 19 End is equipped with driving motor 20, and when heating hazardous waste drying moist in room 10, thermal insulation board 9 is in horizontality, and valve 3 closes It closes;At the end of hazardous waste is dried, it will drive thermal insulation board 9 in the driving lower rotary shaft 19 of driving motor 20 and overturn, danger is useless The grinding device 5 that object enters lower section crushes, and opens valve 3 and is dried again into hazardous waste.
Driving motor 20 is electrically connected with 18 phase of controller, and the operating of driving motor 20 is controlled by controller 19.
It is filled with aeroge in thermal insulation board 9, improves heat-insulated effect.
Emission-control equipment 14 includes waste gas treatment tank 141, air intake duct 142, switching control pilot 143 and axial flow blower 144, Exhaust gas adsorption plate 145 is equipped in waste gas treatment tank 141, the surface of exhaust gas adsorption plate 145 is equipped with venthole, sets in exhaust gas adsorption plate There is bamboo charcoal particle, one end of air intake duct 142 is connected to waste gas treatment tank 141, and the other end connection heating room 10 of air intake duct 142 is opened It closes control valve 143 to be mounted on air intake duct 142, the exhaust gas heated in room 10 is passed through useless by axial flow blower 144 by air intake duct 142 In gas disposal case 141, exhaust gas passes through bamboo charcoal particle in exhaust gas adsorption plate 145 again and is adsorbed, heated 10 early period of room in heating Switching control pilot 143 is closed in journey, can evaporate moisture in moist hazardous waste until heating temperature in room 10, i.e., openable to open Close control 143.
It is equipped with spray tube 21 close to top in waste gas treatment tank 14, the lower end of spray tube 21 is equipped with atomizer 22, exhaust gas The top surface for the treatment of box 14 is equipped with water tank 23 and pulsating pump 24, and water inlet pipe 25, pulsating pump are connected between pulsating pump 24 and water tank 23 Outlet pipe 26 is connected between 24 and spray tube 21, the bottom surface of waste gas treatment tank 14 is equipped with drainpipe 27, and drainpipe 27 is equipped with Control valve 28, absorption pump 24 suck the water in water tank 23 by water inlet pipe 25, are delivered to spray tube 21 by outlet pipe 26, spray Water enters the ejection of atomizer 22 in shower pipe 21, by exhaust gas as droplet enters the bottom surface of waste gas treatment tank 14, at exhaust gas When reason 14 inner storing water of case is excessive, control valve 28 is opened, sewage is discharged.
Heating device 15 includes air-heater 151, hot air pipe 152 and regulating valve 153, and one end of hot air pipe 152 is connected to hot wind Machine 151, the other end connection heating room 10 of hot air pipe 152, regulating valve 153 are mounted on hot air pipe 152, and air-heater 151 passes through Hot air pipe 152 is passed through hot wind into heating room 10 and then improves the temperature in heating room 10, and regulating valve 153 is then used to adjust The supply situation of hot wind.
Technological means disclosed in the utility model is not limited to the technical means disclosed in the above technical means, also Including the technical solution as composed by the above technical characteristic equivalent replacement.The unaccomplished matter of the utility model belongs to this field skill The common knowledge of art personnel.

Claims (8)

1. a kind of crushing system for dangerous waste incineration, including pulverization cylinder, the top of the pulverization cylinder is equipped with hopper, described The bottom end of hopper is equipped with valve, and the bottom end of the pulverization cylinder is equipped with base, is equipped with grinding device, the crushing in the pulverization cylinder The sieve plate being located at below the grinding device is equipped in cylinder, the two sides of the pulverization cylinder are respectively equipped with blower adjacent to bottom end, go out Expects pipe, it is characterised in that: the pulverization cylinder successively includes stainless steel inner layer, sound insulation middle layer and stainless steel outer layer, institute from inside to outside State to be equipped in pulverization cylinder and be located at thermal insulation board above the grinding device, can overturning, the thermal insulation board, the pulverization cylinder and The hopper constitutes heating room, and the base is equipped with emission-control equipment and heating device, the emission-control equipment, described Heating device is connected to the heating room respectively, and the grinding device includes rotation axis, agitating paddle, Disintegrating knife and motor, institute It states rotation axis to be arranged in the pulverization cylinder, the agitating paddle and the Disintegrating knife are arranged in the rotation axis, described to stir It mixes and is equipped with auxiliary agitating roller in paddle, one end of the rotation axis is arranged in the motor, and the inner sidewall of the pulverization cylinder is equipped with Positioned at the indoor temperature sensor of the heating and humidity sensor, the lateral wall of the pulverization cylinder is equipped with controller, described Temperature sensor, the humidity sensor and the motor are mutually electrically connected with the controller respectively.
2. the crushing system according to claim 1 for dangerous waste incineration, it is characterised in that: the sound insulation middle layer is in It honeycomb and is made of sound insulation felt material.
3. the crushing system according to claim 1 for dangerous waste incineration, it is characterised in that: set in the thermal insulation board There is mounting hole, the side wall of the pulverization cylinder is equipped with the shaft across the mounting hole, and one end of the shaft is equipped with driving electricity Machine.
4. the crushing system according to claim 3 for dangerous waste incineration, it is characterised in that: the driving motor with The controller is mutually electrically connected.
5. the crushing system according to claim 4 for dangerous waste incineration, it is characterised in that: filled out in the thermal insulation board Filled with aeroge.
6. the crushing system according to claim 1 for dangerous waste incineration, it is characterised in that: the exhaust-gas treatment dress It sets including waste gas treatment tank, air intake duct, switching control pilot and axial flow blower, the waste gas treatment tank is interior to be equipped with exhaust gas adsorption plate, The surface of the exhaust gas adsorption plate is equipped with venthole, is equipped with bamboo charcoal particle, one end of the air intake duct in the exhaust gas adsorption plate It is connected to the waste gas treatment tank, the other end of the air intake duct is connected to the heating room, and the switching control pilot is mounted on described On air intake duct.
7. the crushing system according to claim 6 for dangerous waste incineration, it is characterised in that: the waste gas treatment tank Interior close top is equipped with spray tube, and the lower end of the spray tube is equipped with atomizer, and the top surface of the waste gas treatment tank is equipped with water Case and pulsating pump are connected with water inlet pipe, are connected between the pulsating pump and spray tube between the pulsating pump and the water tank Outlet pipe, the bottom surface of the waste gas treatment tank are equipped with drainpipe, and the drainpipe is equipped with control valve.
8. the crushing system according to claim 1 for dangerous waste incineration, it is characterised in that: the heating device packet Air-heater, hot air pipe and regulating valve are included, one end of the hot air pipe is connected to the air-heater, the other end connection of the hot air pipe The heating room, the regulating valve are mounted on the hot air pipe.
CN201820248501.5U 2018-02-12 2018-02-12 A kind of crushing system for dangerous waste incineration Expired - Fee Related CN208253594U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820248501.5U CN208253594U (en) 2018-02-12 2018-02-12 A kind of crushing system for dangerous waste incineration

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820248501.5U CN208253594U (en) 2018-02-12 2018-02-12 A kind of crushing system for dangerous waste incineration

Publications (1)

Publication Number Publication Date
CN208253594U true CN208253594U (en) 2018-12-18

Family

ID=64608789

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820248501.5U Expired - Fee Related CN208253594U (en) 2018-02-12 2018-02-12 A kind of crushing system for dangerous waste incineration

Country Status (1)

Country Link
CN (1) CN208253594U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112462832A (en) * 2020-12-02 2021-03-09 湖南金业环保科技有限公司 Intelligent temperature and humidity control device for chemical plant solid waste treatment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112462832A (en) * 2020-12-02 2021-03-09 湖南金业环保科技有限公司 Intelligent temperature and humidity control device for chemical plant solid waste treatment

Similar Documents

Publication Publication Date Title
CN206343253U (en) A kind of modified Chinese medicine crushes drying unit
CN107744869A (en) A kind of kitchen garbage Intelligent biochemistry handles all-in-one
CN106369969A (en) Stirring ventilating feed drying machine
CN106311415A (en) Improved traditional Chinese medicine smashing and drying device
CN206996747U (en) A kind of solid waste treatment device
CN108714619A (en) A kind of organic garbage of city high-efficiency fermenting processing unit
CN107803260A (en) A kind of multi-cavity kitchen garbage degradation treatment all-in-one
CN208253594U (en) A kind of crushing system for dangerous waste incineration
CN209715292U (en) Flyash recycling and reusing pretreatment unit
CN208504992U (en) A kind of energy-saving organic fertilizer drying unit
CN208282565U (en) A kind of construction silt drying device
CN213713717U (en) Novel rotary flash evaporation dryer
CN212339825U (en) Quick drying device is used in corn processing
CN207138474U (en) A kind of environment-friendly and energy-efficient refuse disposal installation
CN113115966A (en) Production equipment of compound microbial feed additive
CN209238093U (en) A kind of Traditional Chinese medicine crushing device of good crushing effect
CN209588600U (en) A kind of drying device being convenient for blanking
CN208432038U (en) A kind of waste incinerator is with breaing up drying integral machine
CN208952628U (en) A kind of industrial chemicals drying equipment
CN208035158U (en) A kind of injection molding machine with waste recovery
CN207839143U (en) A kind of multi-cavity kitchen garbage degradation treatment all-in-one machine
CN206094805U (en) Novel energy -concerving and environment -protective stir -fry medicine machine
CN207262864U (en) Feed drying device
CN106871130B (en) A kind of domestic rubbish disposal reflux formula pyrolysis oven
CN210374507U (en) Laboratory medicinal material drying device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20181218

Termination date: 20200212