CN215162375U - Green treatment equipment for medical and medical solid waste - Google Patents
Green treatment equipment for medical and medical solid waste Download PDFInfo
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- CN215162375U CN215162375U CN202120350799.2U CN202120350799U CN215162375U CN 215162375 U CN215162375 U CN 215162375U CN 202120350799 U CN202120350799 U CN 202120350799U CN 215162375 U CN215162375 U CN 215162375U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model discloses a medical treatment, green treatment facility of medicine solid waste. The method comprises a pre-dryer, a pyrolysis reactor, a combustor, material conveying, gas circulation, heat energy recovery, intelligent control and the like. Medical treatment, medicine solid waste reduce its moisture content through predrying treater at first, and rethread spout gets into the pyrolytic reaction ware, under intelligent control, accomplishes pyrolytic reaction, and the high calorific value combustible gas that produces inhales the combustor through the fan, through the clean burning of flameless, and the energy consumption of pyrolysis reaction and predrying treatment is balanced to some of the heat energy of formation, but another part waste heat recycle, and the product of pyrolytic reaction is the fuel charcoal of higher calorific value, and is nontoxic harmless. The equipment is integrated equipment, can realize green treatment of medical and medical solid wastes, and does not produce secondary pollution. The equipment has compact arrangement of all links, flexible operation mode and high automation degree.
Description
Technical Field
The utility model relates to a medical treatment, medicine solid waste green treatment equipment is applicable to medical treatment, medicine and some high organic matter's solid waste treatment.
Background
With the rapid development of medical and pharmaceutical industries, the amount of solid waste generated is increased. The solid waste contains harmful substances such as sludge, organic matters, pathogenic bacteria and the like, is large and unstable, and can cause large-range secondary pollution if not treated. At present, the solid waste treatment mostly adopts entrusted third party treatment, and the common treatment mode is to convert the solid waste into a process suitable for transportation, storage, utilization and disposal through physical, chemical and biological methods. Aiming at the characteristics of medical and medical solid wastes, the harmless treatment and the resource recycling are taken as bright points, and the green treatment equipment for the medical and medical solid wastes is researched through extensive experiments, so that the problem can be solved.
The utility model adopts a new process combining physics and chemistry, has simple operation and low cost, and is suitable for the treatment of the solid waste with high organic matters generated in the medical and pharmaceutical industries.
Disclosure of Invention
To the problem that current medical treatment, medicine solid waste handled the existence, combine the correlation technique of pyrolysis, burning, the utility model provides a medical treatment, medicine solid waste green treatment facility. So that the medical and medical solid waste can be treated up to the standard. The device is simple to operate, has high automation degree, can improve the working efficiency and save the operation and maintenance management cost.
In order to achieve the above object, the present invention discloses the following technical contents:
the green treatment equipment for the medical and medical solid waste is characterized by comprising the following main components: the device comprises a pre-dryer 1, a pyrolysis reactor 2, a combustor 3, a heat exchanger 4, a control cabinet 5 and an equipment protective shell 6; the device comprises a matching component feeding chute a, an intelligent control valve b, a rotary discharge valve c, a conveyor d, a discharge valve, a discharge device e, a pyrolysis reactor slag tank f, a cyclone separator g, a combustor slag tank h, a suction fan i and a chimney j. Wherein the predryer 1 is connected with the inlet of a feeding chute a by a pipeline, the outlet of the feeding chute a is connected with the inlet of a pyrolysis reactor 2 by a flange of a rotary discharge valve c, the outlet of the pyrolysis reactor 2 is connected with a burner 3 by an intelligent control valve b, high-temperature gas in the burner 3 is connected with the pyrolysis reactor 2 by a suction fan i through a circulating pipeline, the predryer 1 and a heat exchanger 4 are treated and discharged through a chimney j, the heat exchanger 4 can realize partial heat energy recovery, a part conveyor d, a discharge valve and a discharging device e, a cyclone separator g and a pyrolysis reactor slag tank f are connected with the pyrolysis reactor 2 by flanges, a burner slag tank h is connected with the bottom of the burner 3 by a flange, a control cabinet 5 controls the parts and provides energy power, the bottom is connected with an equipment protective shell 6 by bolts, and the parts are reasonably and compactly connected by welding and bolts, A support and a hanger are fixed on the equipment protecting shell 6. Meanwhile, a temperature indication control system, a pressure indication alarm system, a heat insulation system, an electric heater, an explosion-proof device and the like are arranged on the main component pyrolysis reactor 2 and the combustor 3, and the functions of material conveying, gas circulation, heat energy recovery, intelligent control and the like are realized through connection of all components.
The utility model discloses more detailed description is as follows:
the moisture content of the medical and medical solid waste is reduced through the pre-dryer 1, the medical and medical solid waste enters the pyrolysis reactor 2 through the feeding chute a, and the pyrolysis reaction is completed in the pyrolysis reactor 2 under intelligent control (temperature control is 500-700 ℃ and air is fully isolated), so that the medical and medical solid waste is converted into fuel gas with small molecular weight, liquid substances (oil, grease and the like) and solid residues such as coke and the like. The first two are taken as high-calorific-value combustible substances and are sucked into the combustor 3 by a suction fan to be subjected to flameless clean combustion, one part of formed heat energy balances the energy consumption of a pyrolysis reaction process and pre-drying treatment, the other part of residual heat energy can be recycled and regenerated, and finally the residual heat energy is discharged from a chimney j after being treated, and the latter is fuel carbon with higher calorific value which is separated into a slag tank f by a cyclone separator g and can be reused.
The device adopts a brand-new modular design, integrates systems such as pre-drying, pyrolysis, carbonization, combustion, material conveying, gas circulation and the like, has compact arrangement of all links, flexible operation mode and high automation degree, can realize cogeneration by a high-efficiency heat collection and heat conversion system while obtaining carbonized substances, has compact arrangement of all links, can be installed on a mobile motor vehicle, and is suitable for more severe environments.
Pre-dryer 1: in order to ensure that the process can be self-sustaining combusted, the energy loss caused by water evaporation is necessarily reduced, and the water content of the solid waste reaches a set value after the solid waste is pre-dried.
Pyrolysis reactor 2: the process of heating organic matter in oxygen-free or oxygen-deficient state to decompose the organic matter is to utilize the thermal instability of the organic matter to carry out pyrolysis reaction under the condition of air isolation, and to utilize the heat energy to break the chemical bonds of the compound of the solid or liquid organic matter under the oxygen-free or oxygen-deficient condition, so that the organic matter with large molecular weight is converted into fuel gas with small molecular weight, liquid matter (oil, grease and the like) and solid residue matter such as coke and the like. In the pyrolysis reactor, two screw conveyors driven by a motor operate side by side, ensuring continuous conveyance, turning and crushing of the pyrolysis raw material, and uniformity of heating.
The overall reaction of the pyrolysis carbonization system is as follows:
the pyrolysis process needs to absorb a large amount of heat energy, a large amount of residual heat released in the self-heating process by burning all pyrolyzed gas and liquid combustible products is adopted, the pyrolysis reaction chamber is heated on the shell layer by utilizing a heat transfer mode of the wall between the pyrolysis reaction chambers, the temperature of the pyrolysis reaction chamber is controlled at 500 ℃ plus 700 ℃, and if the temperature cannot reach the temperature, gas supplied by a natural gas pipeline of an electricity, a gas cylinder, a gas cabinet or an owner can be used as heat supplement in the operation process.
The gas products pyrolyzed under the anaerobic condition are clean micromolecular hydrocarbon combustibles, and nitrogen oxides (NOx), sulfur oxides (SOx), Hydrogen Chloride (HCL) and other pollution substances generated by combustion are few, so that the flue gas treatment process after combustion is simple.
The combustor 3: combustible products such as gas, liquid and the like generated by pyrolysis can be subjected to clean combustion under a low air-fuel ratio, so that the waste gas treatment amount is small, and the discharged flue gas is pollution-free.
The hot fuel gas (synthesis gas) is fed directly into the combustion chamber and is combusted in the combustion air at a temperature of about 1100-1250 c by means of a controllable air flap and a combustion fan, i.e. flameless oxidation.
When the equipment is debugged, the combustion chamber needs to be heated and preheated firstly (the duration is about 0.5-1.5 hours), and the fuel gas supplied by electricity, a gas cylinder, a gas holder or a natural gas pipeline of an owner can be used as the heat supply for ignition and startup and the heat supplement in the operation process. When pyrolysis gas enters a spontaneous combustion harmless process in the combustion chamber, the combustion-supporting device can be automatically stopped, the whole spontaneous combustion process reaches over 90 percent, and the operation cost is greatly reduced. The resource utilization of heat energy is achieved.
The utility model relates to a medical treatment, green treatment facility of medicine solid waste have positive effect lie in:
higher conversion rate: the volume reduction conversion rate reaches more than 90 percent.
More high-efficient energy saving: the operation energy consumption of the equipment can realize self-sufficiency, and the heat energy generated by the combustion of the pyrolysis gas not only meets the requirements of a large amount of heat energy required by the pyrolysis of the system and the energy consumption of pre-drying treatment, but also can be used for other purposes by the residual waste heat.
More complete resource recycling: the medical and medical solid wastes can be completely converted into fuel carbon ash and renewable heat energy.
And (3) harmless treatment of the environment: the solid fuel is indirectly combusted through the gas combustible components of the solid fuel, and the dust emission in a combustion chamber is reduced, the formation of thermal nitrogen oxides is prevented and secondary pollution is avoided through a special pyrolysis process, a special flameless oxidation technology and a flue gas circulation technology.
The system has the advantages of compact arrangement of all links, flexible operation mode, simple operation, high automation degree, capability of improving the working efficiency and saving the operation and maintenance management cost.
Drawings
FIG. 1 is a schematic structural view of a green treatment apparatus for medical and pharmaceutical solid waste of the present invention; wherein:
1: predryer, 2: pyrolysis reactor, 3: burner, 4: heat exchanger, 5: control cabinet, 6: equipment protective housing, a: supporting part feeding chute, b: intelligent control valve, c: rotating a discharge valve and d: conveyor, e: discharge valve and discharge device, f: a pyrolysis reactor slag pot, g: cyclone separator, h: burner slag pot, i: suction fan, j: and (4) a chimney.
Detailed Description
The invention is described below by means of specific embodiments. Unless otherwise specified, the technical means used in the present invention are well known to those skilled in the art. Additionally, the embodiments should be considered illustrative, and not restrictive, of the scope of the invention, which is defined solely by the claims.
1. The equipment adopts a modularized all-in-one machine type design, and the whole equipment is completely assembled in a factory before leaving the factory, so that the workload of on-site transportation, installation and debugging is reduced.
2. The pyrolysis reactor is totally closed, and the exhaust fan continuously pumps away gas components to keep the hydrocarbon partial pressure as low as possible in the pyrolysis reactor, so that the pyrolysis reactor is beneficial to the pyrolysis process, and the overflow of combustible gas can be avoided.
3. Adopts the principles of pyrolysis reaction and dry carbonization. Carbonization is carried out by introducing a well-defined gas flow. The parameters such as temperature, carbonization time and air volume are accurately adjusted, and the optimal quality of the final product is realized.
4. Traditional pyrolysis product resource utilization needs cooling storage and transportation, can lead to products such as tar, bonding equipment inner wall after the cooling. In order to avoid the defect, the system directly conveys all products including tar generated by pyrolysis to the combustion chamber for complete combustion under the high-temperature condition, thereby effectively solving the problems of frequent shutdown decoking and high maintenance cost of the pyrolysis furnace.
5. Each conveying member has a level monitoring and bottom gate valve discharge, feeding by means of a screw conveyor, which is equipped with torque monitoring. When the auger is jammed, a reverse spin will be automatically initiated (duration 1 s) to resolve the jam. After three reversals, the system will be shut down by the safety system.
6. In order to prevent air from entering the pyrolysis reactor to ensure the oxygen insulation condition, the inlet and the outlet of the pyrolysis reactor are provided with an electric impeller gate valve and a flame-retardant tempering part.
Example 1
A green treatment device for medical and medical solid waste is characterized in that the device comprises two parts, namely a main part and a matched part;
wherein the major components include: the device comprises a pre-dryer 1, a pyrolysis reactor 2, a combustor 3, a heat exchanger 4, a control cabinet 5 and an equipment protective shell 6;
the kit includes: the device comprises a feeding chute a, an intelligent control valve b, a rotary discharge valve c, a conveyor d, a discharge valve and discharge device e, a pyrolysis reactor slag tank f, a cyclone separator g, a combustor slag tank h, a suction fan i and a chimney j.
Wherein the predryer 1 is connected with the inlet of a feeding chute a by a pipeline, the outlet of the feeding chute a is connected with the inlet of a pyrolysis reactor 2 by a flange of a rotary discharge valve c, the outlet of the pyrolysis reactor 2 is connected with a burner 3 by an intelligent control valve b, high-temperature gas in the burner 3 is connected with the pyrolysis reactor 2 by a suction fan i through a circulating pipeline, the predryer 1 and a heat exchanger 4 are treated and discharged through a chimney j, the heat exchanger 4 can realize partial heat energy recovery, a part conveyor d, a discharge valve and a discharging device e, a cyclone separator g and a pyrolysis reactor slag tank f are connected with the pyrolysis reactor 2 by flanges, a burner slag tank h is connected with the bottom of the burner 3 by a flange, a control cabinet 5 controls the parts and provides energy power, the bottom is connected with an equipment protective shell 6 by bolts, and the parts are reasonably and compactly connected by welding and bolts, A support and a hanger are fixed on the equipment protecting shell 6. In addition, it should be noted that: the main components of the pyrolysis reactor 2 and the combustor 3 are provided with a temperature indication control system, a pressure indication alarm system, a heat preservation system, an electric heater, an explosion-proof device and the like, and the functions of material conveying, gas circulation, heat energy recovery, intelligent control and the like are realized through connection of all the components.
Example 2
The utility model relates to a medical treatment, green treatment facility of medicine solid waste, medical treatment, medicine solid waste at first reduce its moisture content through predryer 1, and rethread feeding spout an gets into pyrolytic reaction ware 2, under wisdom control (temperature control 500 + 700 ℃ and abundant isolated air), accomplish pyrolytic reaction at pyrolytic reaction ware 2, change into solid residue thing such as fuel gas, liquid thing (oil, grease etc.) and coke of small molecular weight. The first two are taken as high-calorific-value combustible substances and are sucked into the combustor 3 by a suction fan to be subjected to flameless clean combustion, one part of formed heat energy balances the energy consumption of a pyrolysis reaction process and pre-drying treatment, the other part of residual heat energy can be recycled and regenerated, and finally the residual heat energy is discharged from a chimney j after being treated, and the latter is fuel carbon with higher calorific value which is separated into a slag tank f by a cyclone separator g and can be reused.
Example 3
Solid waste of certain hospital gets into after collecting equipment is handled, has realized medical solid waste through pyrolysis, burning principle and has handled, and pyrolysis product fuel carbon replaces other energy compensation pyrolysis reactor temperatures through burning once more, reduces fortune dimension cost.
Example 4
A certain medical factory leads to the unable third party of entrusting of partial medicine solid waste to handle because of the commodity circulation reason, uses a process producer repacking back temporarily the utility model discloses a movable equipment describes removes in a flexible way, convenient emergent use. The system has high automation degree, realizes intelligent management, is unattended and is regularly checked.
Although the present invention has been described with reference to the accompanying drawings, the present invention is not limited to the above embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many modifications without departing from the spirit and scope of the present invention.
Claims (1)
1. The green treatment equipment for the medical and medical solid waste is characterized by comprising main components and matched components; wherein the major components include: the device comprises a pre-dryer (1), a pyrolysis reactor (2), a combustor (3), a heat exchanger (4), a control cabinet (5) and an equipment protective shell (6);
the kit includes: the device comprises a feeding chute (a), an intelligent control valve (b), a rotary discharge valve (c), a conveyor (d), a discharge valve and discharge device (e), a pyrolysis reactor slag pot (f), a cyclone separator (g), a combustor slag pot (h), a suction fan (i) and a chimney (j);
the system comprises a pre-dryer (1), a rotary discharging valve (c), a burner (3), a rotary discharging valve (b), a rotary discharging valve (c) and a rotary discharging valve (c), wherein the rotary discharging valve (c) is connected with the rotary discharging valve (c), the rotary discharging valve (c) and the rotary discharging valve (c) is connected with the rotary discharging valve (c); the outlet of the heat exchanger (4) is connected with the inlet of a suction fan (i) through a flange, and the outlet of the suction fan (i) is connected with a flange hose of a chimney (j); the conveyer (d), the discharge valve and the discharge device (e), the cyclone separator (g), the pyrolysis reactor slag tank (f) and the pyrolysis reactor (2) are connected through flanges, and the combustor slag tank (h) and the bottom of the combustor (3) are connected through flanges; the bottom of the control cabinet (5) is connected with the equipment protection shell (6) through bolts, and all the parts are fixed on the equipment protection shell (6) in a welding, bolt or support and hanger mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120350799.2U CN215162375U (en) | 2021-02-08 | 2021-02-08 | Green treatment equipment for medical and medical solid waste |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120350799.2U CN215162375U (en) | 2021-02-08 | 2021-02-08 | Green treatment equipment for medical and medical solid waste |
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| Publication Number | Publication Date |
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| CN215162375U true CN215162375U (en) | 2021-12-14 |
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| CN202120350799.2U Active CN215162375U (en) | 2021-02-08 | 2021-02-08 | Green treatment equipment for medical and medical solid waste |
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| CN (1) | CN215162375U (en) |
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- 2021-02-08 CN CN202120350799.2U patent/CN215162375U/en active Active
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