CN207646131U - A kind of medical waste pyrolysis treatment device - Google Patents

A kind of medical waste pyrolysis treatment device Download PDF

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Publication number
CN207646131U
CN207646131U CN201721822115.4U CN201721822115U CN207646131U CN 207646131 U CN207646131 U CN 207646131U CN 201721822115 U CN201721822115 U CN 201721822115U CN 207646131 U CN207646131 U CN 207646131U
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gas
pyrolysis
medical waste
cooler
air
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Expired - Fee Related
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CN201721822115.4U
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Chinese (zh)
Inventor
张振涛
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Henan Cogent Bioengineering Technology Co Ltd
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Henan Cogent Bioengineering Technology Co Ltd
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  • Gasification And Melting Of Waste (AREA)

Abstract

The utility model provides a kind of medical waste pyrolysis treatment device, including power control cabinet and for provide the air supply system of combustion gas and combustion air, the pyrolytic reaction device for being pyrolyzed medical waste, the cooling system for cooling down pyrolysis gas, for absorbing the pyrolysis wherein gas absorbing device of sour gas and pyrolysis gas burner, the cooling system includes water circulation system and the cooler that is connect with water circulation system, and tar well and heating tape are provided in the cooling system.The gas absorbing device includes interconnected sour gas tourie and foam surge tank, and the pyrolytic reaction device includes heating furnace body, the pyrolysis reactor that is arranged in heating furnace body and burner for being heated to pyrolysis reactor and the upper cover for being used to open and closing pyrolysis reactor opening.Medical waste is simple and efficient by way of pyrolysis processing, and processing is thorough, and the tar and pyrolysis gas that are generated after being pyrolyzed belong to combustible material, and recoverable is energy saving.

Description

A kind of medical waste pyrolysis treatment device
Technical field
The utility model is related to a kind of devices of processing medical waste, and in particular to a kind of pyrolysis processing dress of medical waste It sets.
Background technology
Medical waste is also known as clinical waste, refers to medical institutions in medical treatment, disease-prevention or healthcare and other correlated activations What is generated has directly or indirectly infectious, toxicity and other harmfulness waste, specifically includes infectivity, pathologic, damage Wound property, Drug, chemically waste.To medical waste if do not strengthened management, arbitrarily abandoning, it is allowed to be mixed into house refuse, scatters Into people's living environment, air, water source, soil and animals and plants will be polluted, transmission is caused, seriously endanger the body of people Heart health.Medical waste is a kind of catastrophe risk waste, and treatment of!medical waste problem has become the hot spot of whole world concern, China 《Dangerous garbage register》It is middle to be classified as No. 1 dangerous garbage.
Currently, frequently with treatment of!medical waste technology have sterilization method and high temperature incineration method.Sterilization method needs needle Different sterilizing methods are selected different medical wastes, and sterilization effect limiting factor is more, due to the type of medical waste Various and otherness is big, and it is therefore possible to be unable to reach best sterilization effect.And the volume and appearance of rubbish will not occur It substantially change, directly abandons degradation difficulty, still pollute the environment.So the pretreatment before can be used for burning under general condition, A kind of preposition processing means of medical waste can only be used as.Burning disposal is the chemical process of a deep oxidation, in thermal-flame Under effect, the medical waste in burning facility converts it into residue and gas by drying, igniting, burning three phases, disease Pathogenic microorganism and harmful substance are also effectively destroyed because of high temperature during the burning process, moreover it is possible to effectively realize volume reduction and loss of weight.But It is that incendivity ingredient accounting is about 90% or so in medical waste, the rubbish for still having 10% or so is incombustible, therefore There are problems that being not thorough the processing of medical waste, and different medical waste burning points is different, medical treatment is burned using burning method When rubbish, required temperature is very high, and the heat generated in combustion process can not recycle, and cause energy loss.
Utility model content
The purpose of this utility model is that:A kind of pyrolysis treatment device of medical waste is provided, organic matter in garbage is utilized Thermal instability, organic principle in medical waste is heated at high temperature under conditions of anaerobic or oxygen deprivation, makes compound with thermal energy Chemical combination key fracture, so that the organic matter of macromolecule is changed into the process of imflammable gas, liquid fuel and coke.This processing Technology temperature compared with burning method is relatively low, flames of anger combustion process, and heavy metal etc. is held among residue greatly, recyclable a large amount of Thermal energy, preferably solve the defect problem of medical refuse burning treatment technology.
The technical solution adopted in the utility model is as follows:
A kind of medical waste pyrolysis treatment device, including power control cabinet and successively pass sequentially through piping connection for providing combustion The air supply system of gas and combustion air, the pyrolytic reaction device for being pyrolyzed medical waste, the cooling system for cooling down pyrolysis gas System is pyrolyzed the wherein gas absorbing device of sour gas and pyrolysis gas burner for absorbing, it is characterised in that:The cooling System includes water circulation system and the cooler that is connect with water circulation system, is provided in the cooling system and is connected to cooling Tar well below device and it is arranged in the heating tape that cooler upper and lower ends are used to heat cooler tube wall.Pyrolysis Gas is logical enter cooler it is cooled during, the tar in pyrolysis gas can condense on cooler tube wall, the collection effect of tar Fruit is bad, and the time has been grown can influence that pipeline is unobstructed, and tar can form one layer of heat preservation layer, causes cooling effect bad.Cold Heating tape is arranged in area's device upper and lower ends, can heat the pipeline of cooler, melts the coke condensed on cooler tube wall Oil improves the collecting effect and cooling effect of tar, it is ensured that pipeline is unobstructed.
Preferably, the cooler is set as Multistage U shape double-pipe cooler structure.Multistage U shape double-pipe cooler can incite somebody to action Pyrolysis gas maximizes condensation, and inflow and outflow is convenient, and simple in structure, the collecting effect of tar is good.
Preferably, the outlet conduit of the water circulation system is connected to the water inlet of cooler upper end, and the water follows The water inlet line of loop system is connected to the water outlet of cooler lower end.
Preferably, the gas absorbing device includes interconnected sour gas tourie and foam surge tank, institute The gas outlet for stating sour gas tourie air inlet and cooler connects, and gas outlet is connect with the air inlet of foam surge tank, steeps The gas outlet of foam surge tank is connect with pyrolysis gas burner.Since the main component of medical waste is polyvinyl chloride, pyrolysis gas In contain many sour gas, it is therefore desirable to absorption processing is carried out to gas, it is contemplated that pyrolysis gas generate during, will produce ratio Larger pressure, foam surge tank can prevent the lye in sour gas tourie from running out of gas absorbing device, and influence to inhale It produces effects fruit.
Preferably, the pyrolytic reaction device include heating furnace body, the pyrolysis reactor that is arranged in heating furnace body and use In the burner that pyrolysis reactor is heated and be used to open and close pyrolysis reactor opening upper cover.After pulverized Medical waste is pyrolyzed in pyrolysis reactor, and high temperature under conditions of anaerobic or oxygen deprivation of the organic principle in medical waste adds Heat makes the chemical combination key of compound be broken, the organic matter of macromolecule is made to be changed into imflammable gas, tar and coke with thermal energy.
Preferably, the air supply system includes gas burning system and air system, and the outlet pipe of two systems is connected to The air inlet of one air-gas ratio adjusting valve for controlling combustion gas and air burning ratio, air-gas ratio tune The gas outlet of section valve is connect by one section of mixing duct with pyrolytic reaction device.By air-gas ratio adjusting valve according to combustion Burning ratio controls the flow of combustion gas and combustion air, it can be ensured that good combustion efficiency avoids burning deficiency from causing resource unrestrained Take.
Preferably, the connecting pipe between the pyrolytic reaction device and cooling system is obliquely installed, anti-from connection pyrolysis One end height of one end to the connection cooling system of device is answered to gradually rise.Pyrolysis gas leads to cooler from pyrolytic reaction device In the process, tar can be collected in pipeline, especially in the place of pipeline bending, especially be difficult to clear up, therefore pipeline is tilted Setting, can allow tar to be flowed back into pyrolysis reactor by tilted tube.
Preferably, it is provided with heating tape in the connecting pipe between the pyrolytic reaction device and cooling system.Pyrolysis gas When pipeline between pyrolytic reaction device and cooling system transmits, can also it be cooled to a certain extent, it is burnt if pipeline is long Oil can also condense between pyrolytic reaction device and cooler, therefore heating tape, which is arranged, to prevent tar from condensing in the duct, Ensure that pipeline is unobstructed.
By adopting the above-described technical solution, the utility model has the beneficial effects that:
1. medical waste by way of pyrolysis processing, is simple and efficient, processing is thorough, and the tar that is generated after being pyrolyzed and Pyrolysis gas belongs to combustible material, and recoverable is energy saving.
2. by the way of pyrolysis processing with disinfect with burning processing compare:Mode is disinfected usually as one kind Preprocessing means still pollute the environment if directly abandoned the medical waste after disinfection;The temperature that processing mode of burning needs Degree is high, and the gas of generation can pollute air.And pyrolysis processing by the organic principle in medical waste in anaerobic or the condition of oxygen deprivation Lower high-temperature heating makes the chemical combination key of compound be broken, the organic matter of macromolecule is made to be changed into imflammable gas, tar with thermal energy And coke, treated, and residue coke can be with direct emission, and environmental pollution is extremely low, and can with rich soil, tar and Fuel gas can be used as heating energy source by recycling.
Description of the drawings
Fig. 1 is the medical waste pyrolysis treatment device structure chart described in the utility model embodiment 1;
Fig. 2 is the pyrolytic reaction structure drawing of device described in the utility model embodiment 1;
Fig. 3 is the utility model embodiment 2 to pipeline is set between pyrolytic reaction device and cooling system in the embodiment 1 The improved structure chart set.
In figure label for:1- air-gas mixing ducts;2- pyrolytic reaction devices;3- cooling systems;4- gases absorb system System;5- pyrolysis gas burners;6- circulations;7- coolers;8- tar wells;9,91- heating tapes;10- sour gas Body tourie;11- foam surge tanks;22- heating furnace bodies;23- pyrolysis reactors;24- burners;25- cover boards;26- combustion gas Body gas outlet;27- temperature-sensitive meters;28- water vapour air inlets;29- agitating devices.
Specific implementation mode
All features disclosed in this specification can be with any other than mutually exclusive feature and/or step Mode combines.
It elaborates to the utility model with reference to Fig. 1, Fig. 2.
Embodiment 1
As shown in Figure 1, a kind of medical waste pyrolysis treatment device, including power control cabinet and priority pass sequentially through piping connection For providing the air supply system of combustion gas and combustion air, the pyrolytic reaction device 2 for being pyrolyzed medical waste, for cooling pyrolysis The cooling system 3 of gas is pyrolyzed the wherein gas absorbing device of sour gas and pyrolysis gas burner 5 for absorbing.
It is steamed as shown in Fig. 2, the pyrolytic reaction device 2 includes burner 24, heating furnace body 22, pyrolysis reactor 23 and water Gas generator and cover board 25.The heating furnace body 22 is internally provided with combustion cavity, and 22 bottom and top of heating furnace body are set respectively It is equipped with the opening towards combustion cavity, the opening in 22 bottom of heating furnace body is arranged in the burner 24, and the pyrolysis is anti- Device 23 is answered to be put into combustion cavity from the opening at 22 top of heating furnace body, the open top of pyrolysis reactor 23 is provided with protrusion Pyrolysis reactor 23 is suspended in 22 open top of heating furnace body by edge, cocked bead, in thermal reactor and heating furnace body 22 There are gaps between wall.22 upper position of heating furnace body is provided with burning gases gas outlet 26, in the burning gases outlet It is provided with temperature-sensitive meter 27 at mouthfuls 26, for detecting gas outlet gas temperature, the gap at the gas outlet between thermal reactor More than the gap between other positions and thermal reactor, such be provided with is assembled conducive to the gas after burning at gas outlet, It is more advantageous to gas discharge.In order to keep combustion gas and air burning more thorough, burner 24 uses Dual-cyclone combustor.
There are one cover boards 25 for setting in the opening of pyrolysis reactor 23, for sealing or opening opening for pyrolysis reactor 23 Mouthful.Temperature-sensitive meter 27, the electric stirring of the pyrolysis gas temperature in detection pyrolysis reactor 23 are separately provided on cover board 25 Device 29, water vapour air inlet 28 and pyrolysis gas gas outlet, the water vapor generation device are connected to the vapor air inlet On.
The air supply system includes gas burning system and air system, and the outlet pipe of two systems is connected to a combustion gas- On the air inlet of AIR Proportional regulating valve, the gas outlet of air-gas ratio adjusting valve connects one section of mixing duct.Combustion gas-sky After gas ratio adjusting valve is mixed combustion gas and air by combusted proportion, pyrolytic reaction is connected to by air-gas mixing duct 1 On the Dual-cyclone combustor 24 of device 2.Dual-cyclone combustor 24 lights mixed gas, thermal-flame is generated, to pyrolytic reaction The bottom of device 23 is heated, the gas of the generation after burning by be arranged 22 top of heating furnace body gas outlet discharge plus Hot stove body 22.
The cooling system 3 includes water circulation system 6, cooler 7 and tar well 8.The tar well 8 is arranged In the lower section of cooler 7, the cooler 7 is set as Multistage U shape casing cooling structure, and the air inlet of the cooler 7 passes through Pipeline is connect with pyrolysis gas gas outlet on the cover board 25, the air inlet of the air inlet and gas absorption system 4 of the cooler 7 Connection.Water circulation system 6 includes water circulating pump and cyclic water tank, and the cooling water in cyclic water tank is transported to cooling by water circulating pump In device 7, the pyrolysis gas being transported in cooler 7 is cooled down, after being pyrolyzed air cooling, the inner wall of tar from cooler 7 is upper Enter in tar well 8.
Since the main component of medical waste is polyvinyl chloride, contain many sour gas in pyrolysis gas, it is therefore desirable to right Gas carries out absorption processing.The gas absorbing device includes sour gas tourie 10 and foam surge tank 11, sour gas Lye is contained in body tourie 10, pyrolysis gas after cooling, which is passed through by pipeline in lye, to be absorbed, sour gas tourie 10 gas outlet and the air intake of surge tank connect, and the gas outlet of surge tank is connect with the pyrolysis gas burner 5.
Since tar can be additionally arranged on the pipeline of 7 upper and lower ends of cooler and add in the condensed on inner walls of cooler 7 The torrid zone 9.Pyrolysis gas is logical enter cooler 7 it is cooled during, the tar in pyrolysis gas can condense on 7 tube wall of cooler, The collecting effect of tar is bad, and the time has been grown can influence that pipeline is unobstructed, and tar can form one layer of heat preservation layer, leads to cooling effect Fruit is bad.In cold-zone, heating tape 9 is arranged in device upper and lower ends, can heat the pipeline of cooler 7, and thawing condenses in cooling Tar on 7 tube wall of device improves the collecting effect and cooling effect of tar, it is ensured that pipeline is unobstructed.
Embodiment 2
As shown in figure 3, being that the pipeline setting between 1 pyrolytic reaction device 2 of embodiment and cooling system 3 of embodiment 2 changes Into structure chart.Due to pyrolysis gas from pyrolytic reaction device 2 by pipeline to cooling system 3 when, the coke in pyrolysis gas Oil can be collected in conveyance conduit, influence the efficiency of transmission of pyrolysis gas.So by between pyrolytic reaction device 2 and cooling system 3 Pipeline be obliquely installed, tar is back to by inclined pipeline in pyrolysis reactor 23.Meanwhile in the pyrolytic reaction device Heating tape, pipe of the pyrolysis gas between pyrolytic reaction device and cooling system are provided in connecting pipe between cooling system When road transmits, can also it be cooled to a certain extent, if pipeline is long, tar also can be between pyrolytic reaction device and cooler Condensation, therefore heating tape, which is arranged, to prevent tar from condensing in the duct, it is ensured that pipeline is unobstructed.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, can also be dismantling connection for example, it may be being fixedly connected, or It is integrally connected;It can be mechanical connection, can also be electrical connection;It can be directly connected, intermediate media's letter can also be passed through It is situated between and is connected, can is the connection inside two elements.It for the ordinary skill in the art, can be as the case may be Understand the concrete meaning of above-mentioned term in the present invention.

Claims (8)

1. a kind of medical waste pyrolysis treatment device, including power control cabinet and successively pass sequentially through piping connection for providing combustion gas With the air supply system of combustion air, the pyrolytic reaction device for being pyrolyzed medical waste, the cooling system for cooling down pyrolysis gas, For absorbing the pyrolysis wherein gas absorbing device of sour gas and pyrolysis gas burner, it is characterised in that:The cooling system System includes water circulation system and the cooler that is connect with water circulation system, is provided in the cooling system and is connected to cooler The tar well of lower section and it is arranged and is used for the heating tape heated to cooler tube wall in cooler upper and lower ends.
2. a kind of medical waste pyrolysis treatment device according to claim 1, it is characterised in that:The cooler setting For Multistage U shape double-pipe cooler structure.
3. a kind of medical waste pyrolysis treatment device according to claim 1, it is characterised in that:The water circulation system Outlet conduit be connected to the water inlet of cooler upper end, the water inlet line of the water circulation system is connected to cooler lower end Water outlet.
4. a kind of medical waste pyrolysis treatment device according to claim 1, it is characterised in that:The gas absorbs dress It sets including interconnected sour gas tourie and foam surge tank, the sour gas tourie air inlet and cooler Gas outlet connects, and gas outlet is connect with the air inlet of foam surge tank, gas outlet and the pyrolysis gas burner of foam surge tank Connection.
5. a kind of medical waste pyrolysis treatment device according to claim 1, it is characterised in that:The pyrolytic reaction device Including heating furnace body, the pyrolysis reactor being arranged in heating furnace body and burner for being heated to pyrolysis reactor and It is used to open and closes the upper cover of pyrolysis reactor opening.
6. a kind of medical waste pyrolysis treatment device according to claim 1, it is characterised in that:The air supply system packet Include gas burning system and air system, the outlet pipes of two systems is connected to one for controlling combustion gas and air burning ratio On the air inlet of air-gas ratio adjusting valve, the gas outlet of air-gas ratio adjusting valve passes through one section of mixing duct and heat Solve reaction unit connection.
7. a kind of medical waste pyrolysis treatment device according to claim 1~6 any one, it is characterised in that:It is described Connecting pipe between pyrolytic reaction device and cooling system is obliquely installed, cold from one end of connection pyrolytic reaction device to connecting But one end height of system gradually rises.
8. a kind of medical waste pyrolysis treatment device according to claim 7, it is characterised in that:The pyrolytic reaction device It is provided with heating tape in connecting pipe between cooling system.
CN201721822115.4U 2017-12-23 2017-12-23 A kind of medical waste pyrolysis treatment device Expired - Fee Related CN207646131U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108998071A (en) * 2018-09-10 2018-12-14 韦伟 A kind of petroleum hydrocarbon catalytic pyrolysis efficiency optimization method
CN109111942A (en) * 2018-09-10 2019-01-01 韦伟 A kind of catalytic cracker for petroleum hydrocarbon
CN109737418A (en) * 2018-12-21 2019-05-10 东莞理工学院 A kind of medical garbage sorting and high temperature pyrolysis processing system
CN109737419A (en) * 2018-12-21 2019-05-10 东莞理工学院 A kind of medical garbage sorting and high temperature pyrolysis processing method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108998071A (en) * 2018-09-10 2018-12-14 韦伟 A kind of petroleum hydrocarbon catalytic pyrolysis efficiency optimization method
CN109111942A (en) * 2018-09-10 2019-01-01 韦伟 A kind of catalytic cracker for petroleum hydrocarbon
CN109111942B (en) * 2018-09-10 2020-11-24 六安维奥智能科技有限公司 Petroleum hydrocarbon catalytic cracking device
CN108998071B (en) * 2018-09-10 2020-12-01 六安中达信息科技有限公司 Petroleum hydrocarbon catalytic cracking efficiency optimization method
CN109737418A (en) * 2018-12-21 2019-05-10 东莞理工学院 A kind of medical garbage sorting and high temperature pyrolysis processing system
CN109737419A (en) * 2018-12-21 2019-05-10 东莞理工学院 A kind of medical garbage sorting and high temperature pyrolysis processing method

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Granted publication date: 20180724