CN117704390A - Skid-mounted medical waste incineration treatment system and treatment process - Google Patents

Skid-mounted medical waste incineration treatment system and treatment process Download PDF

Info

Publication number
CN117704390A
CN117704390A CN202311565151.7A CN202311565151A CN117704390A CN 117704390 A CN117704390 A CN 117704390A CN 202311565151 A CN202311565151 A CN 202311565151A CN 117704390 A CN117704390 A CN 117704390A
Authority
CN
China
Prior art keywords
combustion chamber
skid
medical waste
waste incineration
secondary combustion
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
Application number
CN202311565151.7A
Other languages
Chinese (zh)
Inventor
何建华
杨茂华
李德勇
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.)
Sichuan Bozhi Saide Environmental Protection Technology Co ltd
Original Assignee
Sichuan Bozhi Saide Environmental Protection 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 Sichuan Bozhi Saide Environmental Protection Technology Co ltd filed Critical Sichuan Bozhi Saide Environmental Protection Technology Co ltd
Priority to CN202311565151.7A priority Critical patent/CN117704390A/en
Publication of CN117704390A publication Critical patent/CN117704390A/en
Pending legal-status Critical Current

Links

Landscapes

  • Processing Of Solid Wastes (AREA)
  • Gasification And Melting Of Waste (AREA)

Abstract

The invention discloses a skid-mounted medical waste incineration treatment system and a treatment process, wherein the skid-mounted medical waste incineration treatment system comprises a skid-mounted part (7), a main combustion chamber (2), a secondary combustion chamber (3), a cooling device and a purifying device, wherein the main combustion chamber (2), the secondary combustion chamber (3), the cooling device and the purifying device are all arranged in the skid-mounted part (7), an air outlet of the main combustion chamber (2) is communicated with an air inlet of the secondary combustion chamber (3), an air outlet of the secondary combustion chamber (3) is connected with the cooling device, the cooling device is also communicated with the purifying device, and an induced draft fan (9) is arranged at the tail end of the purifying device to enable the whole system to form negative pressure. The invention uses skid-mounted layout, and all the devices are highly integrated, so that the invention has the advantages of innocuity, reduction, capability of processing all five medical wastes, standard smoke emission in the processing process, no sewage emission, low energy consumption, no potential safety hazard of ash and fly ash after processing, no need of secondary transfer and reprocessing, and the like.

Description

Skid-mounted medical waste incineration treatment system and treatment process
Technical Field
The invention relates to the technical field of medical waste incineration disposal, in particular to a skid-mounted medical waste incineration disposal system and a treatment flow.
Background
Medical waste refers to infectious, toxic and other hazardous waste produced directly or indirectly by medical and health institutions in related activities such as medical, preventive, health care and the like. Body fluids, blood, excretions, etc. that may come into contact with the patient and may carry multiple pathogens; or contains expired medicines, waste chemical reagents, even toxic and corrosive chemicals, etc. Medical waste can pollute air, water and soil, and has the characteristic of acute infection or latent pollution. Its virus and pathogen hazard is tens, hundreds or even thousands times that of ordinary household garbage. If improperly treated, it can cause serious environmental pollution and can also become a source of infectious diseases.
The main stream treatment technology of the existing medical waste: sanitary landfill, high temperature incineration, high pressure steam sterilization, pyrolysis gasification incineration.
Disadvantages of the prior art:
sanitary landfills are not typically used alone, and are typically mated with end-treatment technologies of other treatment technologies.
The main combustion chamber and the secondary combustion chamber of the high-temperature incineration method are both higher than 850 ℃, and the defects of high energy consumption, high manufacturing cost, difficult maintenance and the like exist.
The high pressure steam sterilization method cannot reduce the medical waste, and still requires secondary treatment. Can not be used for treating low-radioactivity, organic solvents, chemotherapy, pharmacology and pathology wastes, and the safety of the treated wastes still has hidden trouble.
The pyrolysis gasification incineration method is mainly used for centralized treatment of medical wastes, and the equipment occupies large area and cannot be moved. Medical waste cannot be treated on site, the transportation distance is long, and the management risk of harmful and toxic substances is high.
Skid-mounted pyrolysis gasification incineration: the small-sized pyrolysis gasification incineration equipment for medical wastes in the market still has the defects of large occupied area, difficult movement, high energy consumption and the like, the daily treatment capacity is usually more than 1 ton, and the equipment manufacturing cost is high for some small hospitals, medical institutions or clinics.
Disclosure of Invention
The invention provides a skid-mounted medical waste incineration treatment system and a treatment flow, and aims to solve the technical problems in the prior art.
In order to solve the problems, the invention adopts the following technical scheme:
the utility model provides a sled dress formula medical waste incineration processing system, includes sled dress, main combustion chamber, two combustion chamber, cooling device and purifier all set up in the sled dress, the gas outlet of main combustion chamber communicates with the air inlet of two combustion chamber, two combustion chamber gas outlet connect cooling device, cooling device communicates with purifier again, and purifier's end sets up the draught fan and makes whole system form negative pressure; the secondary combustion chamber is internally provided with a flow stabilizing device which comprises a fixed plate and flow stabilizing blades, the flow stabilizing blades are welded on the fixed plate in a staggered way with different lengths, the longer flow stabilizing blades are in contact with the wall of the secondary combustion chamber, and a gap exists between the shorter flow stabilizing blades and the wall of the secondary combustion chamber, so that flue gas passes through the secondary combustion chamber in a vertically folded mode.
Further, the main combustion chamber comprises a combustion chamber and an air distribution chamber, the air distribution chamber is arranged below the combustion chamber and communicated with the combustion chamber, and air inlet valves capable of adjusting air quantity are uniformly distributed on the side surfaces of the air distribution chamber.
Further, the cooling device comprises a spray tower and a water tank, the air outlet of the secondary combustion chamber is communicated with the bottom of the spray tower through an elbow, the spray tower is communicated with the water tank, and a circulating water pump is arranged in the water tank.
Further, the top of spray column sets up the export, exit is provided with the dehydrator, the dehydrator is the geometric plate structure of many kinks.
Further, the purification device comprises a pulse dust collector and an activated carbon adsorption box, wherein an inlet of the pulse dust collector is connected with an outlet of the spray tower through a bent pipe, and an outlet of the pulse dust collector is connected with the activated carbon adsorption box.
Further, the inlet of the pulse dust collector is provided with a back-blowing prevention device, the back-blowing prevention device comprises a plurality of baffles arranged at the inlet, the baffles are rotatably connected to the inlet pipeline, and the baffles can seal the inlet pipeline.
Further, the processing system further comprises an electric control cabinet, an air storage tank and an air compressor, wherein the air compressor is connected with the air storage tank, and the air storage tank is connected with the pulse dust collector.
Further, a smoke suction pipe is arranged on the bent pipe connected between the two combustion chambers and the cooling device, and a dust hood is arranged at the tail end of the smoke suction pipe and is positioned above the feeding port of the main combustion chamber.
Further, an evacuation pipe is arranged at the upper part of the induced draft fan.
A skid-mounted medical waste incineration treatment process comprises the following steps:
s1, medical waste is put into a main combustion chamber to be burnt, and combustible gas and harmless ash are generated;
s2, the combustible gas generated in the main combustion chamber enters the secondary combustion chamber, is combusted in the secondary combustion chamber, heats the secondary combustion chamber by utilizing heat generated by combustion of the combustible gas, maintains the temperature within the range of 850-1150 ℃, and is discharged to the spray tower through a secondary combustion chamber outlet;
s3, spraying sodium hydrogen carbonate aqueous solution on smoke discharged from the secondary combustion chamber by the spray tower, rapidly cooling high-temperature smoke, neutralizing acidic substances contained in the smoke, dedusting the smoke in a pulse deduster, and finally purifying the smoke by an activated carbon adsorption box to reach an emission standard for emptying.
Based on the technical scheme, the following technical effects can be produced:
1. compared with the high-temperature cooking sterilization technology, the invention has the advantages of reduced quantity, capability of processing all five medical wastes, standard smoke emission in the processing process, no sewage emission, no potential safety hazard in the processed ash and fly ash, no need of secondary transfer and reprocessing, and the like.
2. Compared with the high-temperature incineration centralized treatment technology, the invention has the advantages of miniaturization, convenient movement and the like.
3. The invention provides stable combustible gas for the secondary combustion chamber through accurate air distribution of the primary combustion chamber, so that the furnace temperature is controllable, the overlarge fluctuation of the furnace temperature is avoided, and the service life of the incinerator is prolonged.
4. According to the invention, the flow stabilizer is added in the secondary combustion chamber, so that the residence time of the flue gas is prolonged, the combustible gas can be fully combusted, and meanwhile, the flow stabilizer also has a heat storage function, so that the combustible gas can be spontaneously combusted in the secondary combustion chamber, the characteristic that the medical waste is combusted and has a high heat value is fully utilized, the energy consumption in the treatment of the medical waste is reduced, and the recycling of the medical waste is realized.
5. According to the invention, the back-blowing prevention damping device is added at the front end of the bag-type dust collector, so that the influence of reverse airflow generated by the pulse valve on the pressure of a hearth is greatly reduced, and the combustion process is stabilized.
6. The invention uses skid-mounted layout, has the characteristics of high integration of all equipment and capability of moving along with the vehicle, has the capability of on-site treatment and emergency treatment of medical wastes generated in occasions such as small and medium-sized hospitals, medical institutions, health clinics and the like in remote areas, towns and rural areas, and greatly reduces the transportation infection risk of the medical wastes.
Drawings
FIG. 1 is a front view of a treatment system of the present invention;
FIG. 2 is a top view of the treatment system of the present invention;
FIG. 3 is a schematic view of the main combustion chamber structure of the present invention;
FIG. 4 is a schematic diagram of a secondary combustion chamber flow stabilizer structure of the present invention;
FIG. 5 is a schematic structural view of a back-blowing prevention device of the pulse dust collector;
FIG. 6 is a process flow diagram of a processing system of the present invention.
In the figure: the device comprises a 1-electric control cabinet, a 2-main combustion chamber, a 2.1-combustion chamber, a 2.2-air distribution chamber, a 2.3-air inlet valve, a 3-secondary combustion chamber, a 3.1-fixed plate, 3.2-steady flow blades, a 4-spray tower, a 5-pulse dust collector, a 6-activated carbon adsorption box, a 7-skid-mounted device, an 8-air storage tank, a 9-induced draft fan, a 10-water tank, an 11-dehydrator, a 12-air compressor, a 13-smoke suction pipe and a 14-emptying pipe.
Detailed Description
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present invention and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present invention can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-6, the skid-mounted medical waste incineration treatment system comprises a skid-mounted 7, a main combustion chamber 2, a secondary combustion chamber 3, a cooling device and a purifying device, wherein the main combustion chamber 2, the secondary combustion chamber 3, the cooling device and the purifying device are all arranged in the skid-mounted 7, an air outlet of the main combustion chamber 2 is communicated with an air inlet of the secondary combustion chamber 3, an air outlet of the secondary combustion chamber 3 is connected with the cooling device, the cooling device is communicated with the purifying device, and an induced draft fan 9 is arranged at the tail end of the purifying device to enable the whole system to form negative pressure; the secondary combustion chamber 3 is internally provided with a flow stabilizer, the flow stabilizer comprises a fixed plate 3.1 and flow stabilizing blades 3.2, the flow stabilizing blades 3.2 are welded on the fixed plate 3.1 in a staggered way with different lengths, the longer flow stabilizing blades 3.2 are in contact with the furnace wall of the secondary combustion chamber 3, and gaps exist between the shorter flow stabilizing blades 3.2 and the furnace wall, so that flue gas passes through the secondary combustion chamber 3 in a vertically folded mode.
Alternatively or preferably, the main combustion chamber 2 comprises a combustion chamber 2.1 and an air distribution chamber 2.2, the air distribution chamber 2.2 is arranged below the combustion chamber 2.1 and is communicated with the combustion chamber 2.1, air inlet valves 2.3 with adjustable air quantity are uniformly distributed on the side surfaces of the air distribution chamber 2.2, the accurate air distribution of the main combustion chamber 2 is ensured by adjusting the air inflow of the air inlet valves 2.3, stable combustible gas is continuously provided for the secondary combustion chamber 3, the problems that the insufficient gasification pyrolysis of the low temperature in the main combustion chamber 2 and the secondary combustion chamber 3 can cause the excessive high content of particulate matters in flue gas and the excessive standard of dioxin in tail gas, and the excessive high temperature can increase the energy consumption and affect the service life of equipment are avoided.
Alternatively or preferably, the cooling device comprises a spray tower 4 and a water tank 10, the air outlet of the secondary combustion chamber 3 is communicated with the bottom of the spray tower 4 through an elbow, the spray tower 4 is communicated with the water tank 10, and a circulating water pump is arranged in the water tank 10.
Alternatively or preferably, an outlet is formed in the top of the spray tower 4, a dehydrator 11 is arranged at the outlet, the dehydrator 11 is a multi-bent geometric plate structure, and when the flue gas containing moisture passes through the bent dehydrator 11, the flue gas can pass through the dehydrator 1, but the moisture is condensed by being attached to the dehydrator 1 and then drops into the spray tower 4.
Alternatively or preferably, the purifying device comprises a pulse dust collector 5 and an activated carbon adsorption box 6, wherein an inlet of the pulse dust collector 5 is connected with an outlet of the spray tower 4 through a bent pipe, and an outlet of the pulse dust collector 5 is connected with the activated carbon adsorption box 6.
Alternatively or preferably, the inlet of the pulse dust collector 5 is provided with a blowback prevention device, the blowback prevention device comprises a plurality of baffles 5.1 arranged at the inlet, the baffles 5.1 are rotatably connected to an inlet pipeline, and the baffles 5.1 can seal the inlet pipeline. Because the processing system is a skid-mounted processing system, the integration level is high, and the pipeline is shorter; when the pulse dust collector sends out pulses, the impact of the reverse airflow generated by the pipeline on the pressure of the hearth can cause operators to misjudge the pressure in the incinerator or blow out toxic and harmful gases. After the pulse is sent out, the baffle plate 5.1 can temporarily seal the pipeline and cannot influence the main combustion chamber 2 and the secondary combustion chamber 3; after the end, the baffle 5.1 is opened under the action of the induced draft fan 9, and the normal operation is continued.
Alternatively or preferably, the processing system further comprises an electric control cabinet 1, an air storage tank 8 and an air compressor 12, wherein the air compressor 12 is connected with the air storage tank 8, and the air storage tank 8 is connected with the pulse dust collector 5.
Alternatively or preferably, a smoke suction pipe 13 is arranged on a bent pipe connected between the secondary combustion chamber 3 and the cooling device, and a dust hood is arranged at the tail end of the smoke suction pipe 13 and is positioned above a feeding port of the main combustion chamber 2. The smoke suction pipe 13 mainly sucks the smoke escaping from the material gate when feeding, and the smoke is burnt at high temperature at the tail part of the secondary combustion chamber 3, so that the treatment effect is further optimized.
Alternatively or preferably, an evacuation pipe 14 is arranged at the upper part of the induced draft fan 9.
A skid-mounted medical waste incineration treatment process comprises the following steps:
s1, putting medical waste into a main combustion chamber 2 for pyrolysis and gasification to generate combustible gas and harmless ash;
s2, the combustible gas generated in the main combustion chamber 2 enters the secondary combustion chamber 3, is combusted in the secondary combustion chamber 3, is heated by utilizing heat generated by combustion of the combustible gas, maintains the temperature within the range of 850-1150 ℃, and is discharged to the spray tower 4 through an outlet of the secondary combustion chamber 3;
s3, spraying sodium hydrogen carbonate aqueous solution on smoke discharged from the secondary combustion chamber 3 by the spray tower 4, rapidly cooling high-temperature smoke, neutralizing acidic substances contained in the smoke, dedusting the smoke in the pulse dust collector 5, and finally purifying the smoke by the activated carbon adsorption box 6 to reach an emission standard for emptying.
The present invention has been described in detail with reference to the drawings and the embodiments, but the present invention is not limited to the embodiments described above, and various changes can be made within the scope of those skilled in the art without departing from the spirit of the present invention. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (10)

1. The skid-mounted medical waste incineration treatment system comprises a skid-mounted part (7), a main combustion chamber (2), a secondary combustion chamber (3), a cooling device and a purifying device, and is characterized in that the main combustion chamber (2), the secondary combustion chamber (3), the cooling device and the purifying device are all arranged in the skid-mounted part (7), an air outlet of the main combustion chamber (2) is communicated with an air inlet of the secondary combustion chamber (3), an air outlet of the secondary combustion chamber (3) is connected with the cooling device, the cooling device is communicated with the purifying device, and an induced draft fan (9) is arranged at the tail end of the purifying device to enable the whole system to form negative pressure; be provided with current stabilizer in two combustion chamber (3), current stabilizer includes fixed plate (3.1), stationary flow blade (3.2), and the crisscross welding of stationary flow blade (3.2) different length is on fixed plate (3.1), longer stationary flow blade (3.2) and two combustion chamber (3) oven contact pool, shorter there is the clearance between stationary flow blade (3.2) and the oven for flue gas is in two combustion chamber (3) upper and lower reentrant type through.
2. The skid-mounted medical waste incineration treatment system according to claim 1, wherein the main combustion chamber (2) comprises a combustion chamber (2.1) and an air distribution chamber (2.2), the air distribution chamber (2.2) is arranged below the combustion chamber (2.1) and communicated with the combustion chamber, and air inlet valves (2.3) capable of adjusting air quantity are uniformly distributed on the side surfaces of the air distribution chamber (2.2).
3. The skid-mounted medical waste incineration treatment system according to claim 1, wherein the cooling device comprises a spray tower (4) and a water tank (10), an air outlet of the secondary combustion chamber (3) is communicated with the bottom of the spray tower (4) through an elbow, the spray tower (4) is communicated with the water tank (10), and a circulating water pump is arranged in the water tank (10).
4. A skid-mounted medical waste incineration treatment system according to claim 3, characterised in that the top of the spray tower (4) is provided with an outlet, the outlet is provided with a water remover (11), and the water remover (11) is a multi-bent geometric plate structure.
5. The skid-mounted medical waste incineration treatment system according to claim 1, wherein the purification device comprises a pulse dust collector (5) and an activated carbon adsorption box (6), an inlet of the pulse dust collector (5) is connected with an outlet of the spray tower (4) through a bent pipe, and an outlet of the pulse dust collector (5) is connected with the activated carbon adsorption box (6).
6. The skid-mounted medical waste incineration treatment system according to claim 5, wherein an anti-blowback device is arranged at the inlet of the pulse dust collector (5), the anti-blowback device comprises a plurality of baffles (5.1) arranged at the inlet, the baffles (5.1) are rotatably connected to the inlet pipeline, and the baffles (5.1) can seal the inlet pipeline.
7. The skid-mounted medical waste incineration treatment system according to claim 1, further comprising an electric control cabinet (1), an air storage tank (8) and an air compressor (12), wherein the air compressor (12) is connected with the air storage tank (8), and the air storage tank (8) is connected with the pulse dust collector (5).
8. The skid-mounted medical waste incineration treatment system according to claim 1, wherein a smoke suction pipe (13) is arranged on a bent pipe connected between the secondary combustion chamber (3) and the cooling device, and a dust hood is arranged at the tail end of the smoke suction pipe (13) and is positioned above a feeding port of the main combustion chamber (2).
9. The skid-mounted medical waste incineration treatment system according to claim 1, wherein an evacuation pipe (14) is arranged at the upper part of the induced draft fan (9).
10. A skid-mounted medical waste incineration treatment process, implemented based on the skid-mounted medical waste incineration treatment system according to any one of claims 1 to 9, characterized by comprising the steps of:
s1, putting medical waste into a main combustion chamber (2), and performing pyrolysis gasification to generate combustible gas and harmless ash;
s2, the combustible gas generated in the main combustion chamber (2) enters the secondary combustion chamber (3), burns in the secondary combustion chamber (3), heats the secondary combustion chamber by utilizing the heat generated by the combustion of the combustible gas, maintains the temperature within the range of 850-1150 ℃, and is discharged to the spray tower (4) through the outlet of the secondary combustion chamber (3);
s3, spraying sodium hydrogen carbonate aqueous solution on smoke exhausted from the secondary combustion chamber (3) by the spray tower (4), rapidly cooling high-temperature smoke, neutralizing acidic substances contained in the smoke, dedusting the smoke in the pulse dust collector (5), and finally purifying the smoke by the activated carbon adsorption box (6) to reach an emission standard for emptying.
CN202311565151.7A 2023-11-22 2023-11-22 Skid-mounted medical waste incineration treatment system and treatment process Pending CN117704390A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311565151.7A CN117704390A (en) 2023-11-22 2023-11-22 Skid-mounted medical waste incineration treatment system and treatment process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311565151.7A CN117704390A (en) 2023-11-22 2023-11-22 Skid-mounted medical waste incineration treatment system and treatment process

Publications (1)

Publication Number Publication Date
CN117704390A true CN117704390A (en) 2024-03-15

Family

ID=90148802

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311565151.7A Pending CN117704390A (en) 2023-11-22 2023-11-22 Skid-mounted medical waste incineration treatment system and treatment process

Country Status (1)

Country Link
CN (1) CN117704390A (en)

Similar Documents

Publication Publication Date Title
CN2926833Y (en) System and apparatus for firing medical refuse
CN1884912A (en) Medical refuse incineration process and system equipment therefor
CN104984626B (en) A kind of charcoal kiln flue gas governing system
CN109395496A (en) A kind of gas cleaning of garbage incinerating power plant and afterheat utilizing system
CN112111302A (en) Low-order material gasification combustion and flue gas pollutant control integrated process and device and application
CN108613194B (en) A kind of device for villages and small towns consumer waste incineration
CN113739165A (en) Industry is useless burning furnace and flue gas processing apparatus admittedly
CN211952789U (en) Distributed medical waste incineration treatment system
CN204494421U (en) A kind for the treatment of of!medical waste device
CN208332277U (en) Municipal refuse cyclone burning system and its coupling coal fired power plant electricity generation system
CN117704390A (en) Skid-mounted medical waste incineration treatment system and treatment process
CN206958929U (en) A kind of garbage incinerating system with flue gas depositing dust function
CN110186055A (en) A kind of waste incinerator purifying dioxin flue gas
CN203190422U (en) Medical waste incinerator with oxygen-enriched combustion technology applied
CN212299016U (en) Medical waste pyrolysis incineration treatment system
CN104613482A (en) Medical waste treatment device and method
CN210752028U (en) Cremation machine burns processing apparatus of flue gas
CN211694902U (en) Medical waste incineration treatment system
CN208907096U (en) A kind of cigarette filter device of house refuse resolving device
CN202660560U (en) Incinerator
CN208139296U (en) A kind of harmful gas processing device after castoff burning
CN213746746U (en) Harmless treatment equipment for hazardous waste
CN216203393U (en) Industry is useless burning furnace and flue gas processing apparatus admittedly
CN215892382U (en) Multistage heat exchange waste gas waste heat recovery device
CN213362497U (en) Dangerous waste and medical waste incinerator complete equipment

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