CN219976435U - Medical waste treatment system of plasma fusion coupling incinerator - Google Patents
Medical waste treatment system of plasma fusion coupling incinerator Download PDFInfo
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- CN219976435U CN219976435U CN202321429348.3U CN202321429348U CN219976435U CN 219976435 U CN219976435 U CN 219976435U CN 202321429348 U CN202321429348 U CN 202321429348U CN 219976435 U CN219976435 U CN 219976435U
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- Gasification And Melting Of Waste (AREA)
Abstract
The utility model relates to the technical field of medical waste treatment, and discloses a medical waste treatment system of a plasma fusion coupling incinerator, which comprises the following components: an incinerator for pyrolysis gasification of medical waste; the plasma melting furnace is communicated with the ash discharging port at the bottom of the incinerator and comprises a furnace body and a plasma torch arranged in the furnace body, the furnace body is used for receiving residues which are not completely pyrolyzed and gasified in the incinerator, the plasma torch is used for heating the residues, cracking organic matters in the residues to generate smoke and crude synthetic gas, melting inorganic matters in the residues into liquid glass slag, and the smoke and the crude synthetic gas enter the incinerator through the ash discharging port. According to the utility model, medical waste is treated by combining the incinerator and the plasma melting furnace, dioxin and furan substances generated in the incineration process are thoroughly destroyed, harmful heavy metals are fixedly sealed in the vitreous body to be discharged as liquid vitreous body slag, and vitrified products can be reused, so that harmless treatment, reduction emission and recycling application of the medical waste are realized.
Description
Technical Field
The utility model relates to the technical field of medical waste treatment, in particular to a medical waste treatment system of a plasma fusion coupling incinerator.
Background
At present, medical waste is mainly treated by adopting high-temperature steam, microwave sterilization, chemical and incineration methods, and the three methods can not achieve the purpose of reducing the amount of the medical waste, and the treated medical waste is still solid waste and needs to be sent into an incinerator again or classified for recycling. In the traditional incineration process, the incinerated residues and fly ash still belong to dangerous wastes, the combustion is incomplete, the reduction degree is low, a curing process and a special landfill are still required to be configured for landfill, and the environmental protection hazard of dioxin and heavy metal leaching cannot be avoided in the process.
Therefore, how to realize harmless treatment, emission reduction and recycling of medical waste is a problem to be solved by those skilled in the art.
Disclosure of Invention
The utility model aims to provide a medical waste treatment system of a plasma fusion coupling incinerator, which is used for realizing harmless treatment, emission reduction and resource utilization of medical waste.
In order to solve the technical problems, the utility model provides a medical waste treatment system of a plasma fusion coupling incinerator, comprising:
an incinerator for pyrolysis gasification of medical waste;
the plasma melting furnace is communicated with the ash discharging port at the bottom of the incinerator and comprises a furnace body and a plasma torch arranged in the furnace body, the furnace body is used for receiving residues which are not completely pyrolyzed and gasified in the incinerator, the plasma torch is used for heating the residues, cracking organic matters in the residues to generate smoke and crude synthesis gas, and melting inorganic matters in the residues into liquid glass slag, and the smoke and the crude synthesis gas enter the incinerator through the ash discharging port.
Optionally, the incinerator comprises a combustion chamber and a secondary combustion chamber communicated with the primary combustion chamber, the secondary combustion chamber is positioned above the primary combustion chamber, the plasma melting furnace is communicated with an ash discharging port at the bottom of the primary combustion chamber, and the temperature of the secondary combustion chamber is higher than that of the primary combustion chamber.
Optionally, the furnace body includes melting chamber and slag bath, the top of melting chamber with the lower ash mouth intercommunication of burning furnace bottom, the bottom of melting chamber with slag bath intercommunication, plasma torch is sealed pass the lateral wall of melting chamber and extend to in the melting chamber, slag bath is equipped with the slag channel for discharging liquid vitreous body sediment.
Optionally, an included angle between the axial direction of the plasma torch and the radial direction of the melting chamber is 15-45 degrees, the head of the plasma torch faces the slag pool, the slag discharging channel is obliquely downwards arranged relative to the bottom surface of the slag pool, and the plasma torch is further provided with a circulating cooling water inlet and a high-voltage power cable.
Optionally, the device further comprises a hydraulic pushing device, and the hydraulic pushing device is connected with the feeding port of the combustion chamber.
Optionally, the secondary combustion chamber is further provided with a waste liquid inlet and a liquid distributor arranged in the waste liquid inlet.
Optionally, the plasma melting furnace sequentially comprises a heat-insulating metal shell, a heat-insulating refractory layer and a refractory layer from outside to inside.
Optionally, the melting chamber is regular quadrangular frustum pyramid, the top area of the melting chamber is larger than the bottom area of the melting chamber, and the slag pool is detachably connected with the bottom of the melting chamber through a flange.
Optionally, the air heat exchanger further comprises an air heat exchanger and an air supply device, wherein the top of the air heat exchanger is communicated with a pipeline between the first combustion chamber and the second combustion chamber, the bottom of the air heat exchanger is communicated with the air supply device, the side wall of the air heat exchanger is communicated with a flue gas outlet of the second combustion chamber, and an oxygen analyzer is arranged at the outlet of the top of the air heat exchanger.
Optionally, an emergency discharge chimney is arranged at the top of the secondary combustion chamber, and a valve and a pressure sensor are arranged at an outlet of the emergency discharge chimney.
Optionally, the flue gas purification device further comprises a flue gas purification device, wherein the flue gas purification device comprises an SNCR denitration device, a quenching tower, a venturi tower, an active carbon injection device, a limestone injection device, a dust remover, an induced draft fan and a chimney, the SNCR denitration device is communicated with a pipeline between the air heat exchanger and the two combustion chambers, the side wall of the air heat exchanger is sequentially communicated with the quenching tower, the venturi tower, the dust remover, the induced draft fan and the chimney, and the venturi tower is sequentially communicated with the active carbon injection device and the limestone injection device.
The utility model provides a medical waste treatment system of a plasma fusion coupling incinerator, which comprises: an incinerator for pyrolysis gasification of medical waste; the plasma melting furnace is communicated with the ash discharging port at the bottom of the incinerator and comprises a furnace body and a plasma torch arranged in the furnace body, the furnace body is used for receiving residues which are not completely pyrolyzed and gasified in the incinerator, the plasma torch is used for heating the residues, cracking organic matters in the residues to generate smoke and crude synthetic gas, melting inorganic matters in the residues into liquid glass slag, and the smoke and the crude synthetic gas enter the incinerator through the ash discharging port. According to the utility model, the medical waste is treated by combining the conventional incinerator and the plasma melting furnace, dioxin and furan substances possibly generated in the incineration process are thoroughly destroyed, harmful heavy metals are fixedly sealed in the vitreous body to become liquid vitreous body slag to be discharged, and vitrified products can be recycled, so that harmless treatment, reduction emission and recycling application of the medical waste are realized. And secondly, compared with the method for treating medical waste by using a plasma device, the method has the advantages of high power consumption, poor treatment effect on high-moisture medical waste, and improvement of operation stability and safety by coupling the incinerator and plasma melting, and reduction of operation cost of equipment.
Drawings
For a clearer description of embodiments of the present utility model, the drawings that are required to be used in the embodiments will be briefly described, it being apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the drawings without inventive effort for those skilled in the art.
FIG. 1 is a block diagram of a medical waste treatment system of a plasma fusion coupled incinerator provided by an embodiment of the utility model;
FIG. 2 is a block diagram of another medical waste treatment system of a plasma fusion coupled incinerator according to an embodiment of the present utility model;
FIG. 3 is a block diagram of a medical waste treatment system and a flue gas cleaning device including a plasma fusion coupled incinerator according to an embodiment of the present utility model;
the reference numerals are as follows: the device comprises a incinerator 1, a plasma melting furnace 2, a plasma torch 3, a slag discharging channel 4, a flange 5, a hydraulic pushing device 6, an air heat exchanger 7, an air supply device 8, an SNCR denitration device 9, a quenching tower 10, a venturi tower 11, an active carbon spraying device 12, a limestone spraying device 13, a dust remover 14, a draught fan 15, a chimney 16, a housing 101 of the incinerator 102, a fire-resistant layer of the incinerator 103, a combustion chamber 104, a secondary combustion chamber 201, a slag pool 202, a melting chamber 203, a heat-insulating metal shell 204, a heat-insulating fire-resistant layer 205 and a fire-resistant layer 205.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by a person of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.
The utility model aims at providing a medical waste treatment system of a plasma fusion coupling incinerator.
In order to better understand the aspects of the present utility model, the present utility model will be described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is a block diagram of a medical waste treatment system of a plasma fusion coupling incinerator according to an embodiment of the present utility model, and fig. 2 is a block diagram of a medical waste treatment system of another plasma fusion coupling incinerator according to an embodiment of the present utility model, where as shown in fig. 1 and fig. 2, the medical waste treatment system includes: an incinerator 1 for pyrolysis gasification of medical waste; the plasma melting furnace 2 is communicated with the ash discharging port at the bottom of the incinerator 1, the plasma melting furnace 2 comprises a furnace body and a plasma torch 3 arranged in the furnace body, the furnace body is used for receiving residues which are not completely pyrolyzed and gasified in the incinerator 1, the plasma torch 3 is used for heating the residues, organic matters in the residues are cracked to generate smoke and crude synthetic gas, inorganic matters in the residues are melted into liquid glass slag, and the smoke and the crude synthetic gas enter the incinerator 1 through the ash discharging port.
The core of the plasma fusion process is a plasma torch 3. The principle is that a large amount of working gas passes through an arc zone, and the gas is heated by the energy of an arc to form high-temperature plasma jet (the temperature of torch gas can reach 6000 ℃). Due to its high temperature and high heat flux, it kills all microorganisms in medical waste, destroying residual cytotoxic drugs, pharmaceuticals and toxic chemicals. In theory, any inorganic compound can be converted into glass-shaped substances after being treated by a plasma method, so that the real harmless treatment and recycling application of wastes are realized, and the environment is not damaged.
The incinerator 1 in the embodiment of the utility model can be a horizontal incinerator, and the incinerator 1 comprises an incinerator shell 101 and an incinerator fire-resistant layer 102 from outside to inside. Further, fig. 3 is a schematic diagram of a medical waste treatment system and a flue gas purification device including a plasma fusion coupling incinerator according to an embodiment of the present utility model, as shown in fig. 3, the incinerator 1 may include a combustion chamber 103 and a secondary combustion chamber 104 communicating with the combustion chamber 103, the secondary combustion chamber 104 is located above the primary combustion chamber 103, the plasma fusion furnace 2 communicates with a lower ash hole of a bottom 103 of the primary combustion chamber, and a temperature of the secondary combustion chamber 104 is higher than a temperature of the primary combustion chamber 103. Medical waste is pyrolyzed and gasified in a combustion chamber 103, residues which are not pyrolyzed and gasified enter a plasma melting furnace 2 under the action of gravity, organic matters are cracked under the action of ultrahigh temperature, flue gas and crude synthesis gas generated by cracking move to the upper part of the combustion chamber 103 and further enter a secondary combustion chamber 104, fuel oil is fully combusted by a combustor arranged in the secondary combustion chamber 104, then the fuel oil is discharged from a flue gas outlet of the secondary combustion chamber 104, inorganic matters are melted into liquid glass slag, and dioxin and furan substances are thoroughly destroyed. In order to make the residues which are not pyrolyzed and gasified in the combustion chamber 103 enter the plasma melting furnace 2 completely, the plasma melting furnace further comprises a hydraulic pushing device 6, wherein the hydraulic pushing device 6 is connected with a feed inlet of the combustion chamber 103, medical waste is pushed into the combustion chamber 103 by the hydraulic pushing device 6 through the feed inlet of the feeder to be pyrolyzed and gasified, and the residues which are not pyrolyzed and gasified enter the plasma melting furnace 2 under the thrust of the hydraulic pushing device 6 and the action of gravity. The temperature of the secondary combustion chamber 104 is controlled to 1100 ℃ generally, so that the generation of dioxin can be effectively prevented. The secondary combustion chamber 104, the primary combustion chamber 103 and the plasma melting furnace 2 can be in an integrated structure.
The medical waste treatment system of the plasma fusion coupling incinerator provided by the embodiment of the utility model comprises: an incinerator for pyrolysis gasification of medical waste; the plasma melting furnace is communicated with the ash discharging port at the bottom of the incinerator and comprises a furnace body and a plasma torch arranged in the furnace body, the furnace body is used for receiving residues which are not completely pyrolyzed and gasified in the incinerator, the plasma torch is used for heating the residues, cracking organic matters in the residues to generate smoke and crude synthetic gas, melting inorganic matters in the residues into liquid glass slag, and the smoke and the crude synthetic gas go into the incinerator through the ash discharging port. According to the utility model, the medical waste is treated by combining the conventional incinerator and the plasma melting furnace, dioxin and furan substances possibly generated in the incineration process are thoroughly destroyed, harmful heavy metals are fixedly sealed in the vitreous body to become liquid vitreous body slag to be discharged, and vitrified products can be recycled, so that harmless treatment, reduction emission and recycling application of the medical waste are realized. And secondly, compared with the method for treating medical waste by using a plasma device, the method has the advantages of high power consumption, poor treatment effect on high-moisture medical waste, and improvement of operation stability and safety by coupling the incinerator and plasma melting, and reduction of operation cost of equipment.
Based on the above embodiments, in order to ensure safe operation of the incinerator 1 and the plasma melting furnace 2, as shown in fig. 2, the plasma melting furnace 2 includes, from outside to inside, a heat-insulating metal housing 203, a heat-insulating refractory layer 204, and a refractory layer 205 that is heat-resistant, corrosion-resistant, and wear-resistant. The materials and thicknesses of the heat-insulating metal casing 203, the heat-insulating refractory layer 204, and the refractory layer 205 are not particularly limited in the embodiment of the present utility model.
Based on the above embodiment, the secondary combustion chamber 104 of the embodiment of the present utility model is further provided with a waste liquid inlet and a liquid distributor provided in the waste liquid inlet. By providing the waste liquid inlet in the secondary combustion chamber 104, the treatment range of the medical waste treatment system can be increased, and the function of treating the organic waste liquid is increased. In order to make the waste liquid uniformly enter the secondary combustion chamber 104, a liquid distributor is further provided for spraying the waste liquid into the secondary combustion chamber 104, so that the treatment efficiency of the waste liquid is improved.
Further, an emergency discharge chimney is arranged at the top of the secondary combustion chamber 104, and a valve and a pressure sensor are arranged at the outlet of the emergency discharge chimney. The pressure sensor can monitor the pressure in the secondary combustion chamber 104 in real time, and when the pressure exceeds a threshold value, the valve is opened to release pressure, so that the safe and stable operation of the medical waste treatment system can be ensured.
Based on the above embodiment, the furnace body of the plasma melting furnace 2 according to the embodiment of the utility model comprises a melting chamber 202 and a slag pool 201, wherein the top of the melting chamber 202 is communicated with a lower ash opening at the bottom of the incinerator 1, the bottom of the melting chamber 202 is communicated with the slag pool 201, a plasma torch 3 passes through the side wall of the melting chamber 202 in a sealing manner and extends into the melting chamber 202, and the slag pool 201 is provided with a slag discharge channel 4 for discharging liquid vitreous slag. If the incinerator 1 includes the first combustion chamber 103 and the second combustion chamber 104, the top of the melting chamber 202 in the embodiment of the present utility model is communicated with the ash discharging port at the bottom of the first combustion chamber 103, the shape and the size of the incinerator body are not limited in the embodiment of the present utility model, the melting chamber 202 may be in a regular quadrangular frustum shape, the top area of the melting chamber 202 is larger than the bottom area of the melting chamber 202, and the slag pool 201 is detachably connected with the bottom of the melting chamber 202 through the flange 5.
The side wall of the melting chamber 202 is gradually thickened along the gravity direction, so that the melting chamber 202 is arranged in an inverted quadrangular frustum pyramid shape, and residues can conveniently and smoothly fall into the slag pool 201 along the side wall of the melting chamber 202. Specifically, the cross section of the melting chamber 202 is rectangular, the length of the rectangular cross section of the top end is 1100mm, and the width is 700mm; the cross section of the bottom end is 600mm long and 200mm wide; the melting chamber 202 has a height of 670mm; the number of the plasma torches 3 is not particularly limited in the embodiment of the present utility model, and in consideration of cost and applicability, 2 plasma torches 3 are provided, and 2 corresponding plasma torch installation interfaces are provided. Further, in order to improve the melting efficiency, an included angle between the axial direction of the plasma torch 3 and the radial direction of the melting chamber 202 is 15 ° to 45 °, and an intersection point of extension lines of the head of the plasma torch 3 in the longitudinal direction of the 201,2 plasma torches 3 facing the slag pool is located at the bottom center position of the slag pool 201. The plasma torch 3 is also provided with a circulating cooling water inlet and a high-voltage power cable, and the service life of the plasma torch 3 can be prolonged by cooling the plasma torch 3 through the circulating cooling water inlet.
The bottom of slag bath 201 and melting chamber 202 is connected through the flange can be dismantled, conveniently maintains and clear up the inside of slag bath 201 and melting chamber 202, and slag discharge channel 4 is equipped with to slag bath 201 below, sets up downwards relative to the bottom surface slope of slag bath 201, specifically, can become 10 contained angles with the horizontal plane, and slag discharge channel 4's diameter is 10mm ~ 100mm, and slag discharge channel 4's internal surface's horizontal slope 10 ~ 60, make things convenient for liquid glass body sediment to discharge smoothly from slag discharge channel 4.
Fig. 3 is a block diagram of a medical waste treatment system and a flue gas purification device including a plasma fusion coupling incinerator according to an embodiment of the present utility model, as shown in fig. 3, and further including an air heat exchanger 7, an air supply device 8 and a flue gas purification device; the top of the air heat exchanger 7 is communicated with a pipeline between the first combustion chamber 103 and the second combustion chamber 104, the bottom of the air heat exchanger 7 is communicated with the air supply device 8, the side wall of the air heat exchanger 7 is communicated with a flue gas outlet of the second combustion chamber 104, and an oxygen analyzer is arranged at the top outlet of the air heat exchanger 7. The flue gas purification device comprises an SNCR denitration device 9, a quenching deacidification tower 10, a Venturi tower 11, an active carbon injection device 12, a limestone injection device 13, a dust remover 14, an induced draft fan 15 and a chimney 16, wherein the SNCR denitration device 9 is communicated with a pipeline between an air heat exchanger 7 and a secondary combustion chamber 104, the side wall of the air heat exchanger 7 is sequentially communicated with the quenching tower 10, the Venturi tower 11, the dust remover 14, the induced draft fan 15 and the chimney 16, and the Venturi tower 11 is sequentially communicated with the active carbon injection device 12 and the limestone injection device 13. Wherein the dust remover 14 is also in communication with the feed inlet of the feeder for returning fly ash to the furnace.
A combustion chamber 103 of the incinerator 1 is provided with a fulcrum fire burner, a secondary burner is arranged in a secondary combustion chamber 104, and combustible gas generated by pyrolysis of the combustion chamber 103 and harmful gas incompletely combusted in flue gas continue to be combusted and decomposed in the secondary combustion chamber 104; the secondary combustion chamber 104 is also connected with an air supply device 8 for supplementing oxygen required by waste combustion, fully mixing the oxygen with combustible gas and harmful gas and completely combusting the oxygen, and arranging an oxygen analyzer at the top outlet of the air heat exchanger 7, and the air supply device 8 realizes linkage and strictly controls the oxygen content in the flue gas. The air heat exchanger 7 recovers the flue gas waste heat. The flue gas of the secondary combustion chamber 104 enters the air heat exchanger 7 through the flue gas outlet and is cooled, air required by combustion of the primary combustion chamber 103 and the secondary combustion chamber 104 is heated in the air heat exchanger, heat of the flue gas is fully utilized to heat the air, and the incineration efficiency of the incinerator is improved while energy is saved. The flue gas purification device behind the air heat exchanger comprises an SNCR denitration device 9, a quenching tower 10 with a cooling water inlet pipe at the top, an active carbon injection device 12, a limestone injection device 13 and a flue gas purification treatment process of a bag-type dust remover, and the flue gas at the outlet of a chimney is ensured to meet the specification of environmental protection emission of atmospheric pollutants.
The medical waste treatment system based on the plasma fusion coupling incinerator has the following advantages.
(1) Compared with the conventional plasma treatment medical waste device, the arrangement of the pyrolysis incineration and melting system is mainly implemented by the mature incinerator, and the melting furnace is added and connected into a whole, so that the operation stability and the safety are improved, the total manufacturing cost and the installation cost of equipment are reduced, and the running cost is reduced. Meanwhile, the plasma melting furnace and the incinerator are integrally formed in a coupling mode, so that the structure is more compact, and the total construction cost of engineering is reduced.
(2) The plasma torch melts the waste into a glassy material and encapsulates therein hazardous materials, such as high concentrations of heavy metals and the like. The vitrified product can be reused, and other high added value products, such as noble metals, can be safely recovered.
(3) In the incineration oxidation atmosphere, the concentration of dioxin is high, and the plasma gasification melting is a catalyst which is low in the concentration of dioxin in the reducing atmosphere and is difficult to generate metals such as Cu, fe and the like in hazardous waste in the reducing atmosphere so as to promote the generation of dioxin. Meanwhile, the plasma torch can generate a high-strength heat source to heat the gasification medium in the melting furnace to become highly ionized or charged gas, namely plasma, the high-temperature plasma provides a high-temperature and high-energy environment, the material is heated quickly after entering, the reaction rate is high, the treatment efficiency is high, and some reactions which cannot be carried out under the ordinary high-temperature condition can also occur. Due to the high temperature and high heat density, the plasma technology thoroughly decomposes dioxin into harmless small molecule gas, and can reduce the emission of dioxin in the treatment process. Due to the high-energy and high-temperature property of the plasma moment, medical waste types which are more difficult to treat can be treated, and the treatment range of the incineration system is expanded.
The medical waste treatment system of the plasma fusion coupling incinerator provided by the utility model is described in detail. In the description, each embodiment is described in a progressive manner, and each embodiment is mainly described by the differences from other embodiments, so that the same similar parts among the embodiments are mutually referred. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.
It should also be noted that in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Claims (11)
1. A medical waste treatment system of a plasma fusion coupled incinerator, comprising:
an incinerator (1) for pyrolysis gasification of medical waste;
the plasma melting furnace (2) is communicated with a lower ash hole at the bottom of the incinerator (1), the plasma melting furnace (2) comprises a furnace body and a plasma torch (3) arranged in the furnace body, the furnace body is used for receiving residues which are not completely pyrolyzed and gasified in the incinerator (1), the plasma torch (3) is used for heating the residues, cracking organic matters in the residues to generate smoke and crude synthetic gas, melting inorganic matters in the residues into liquid glass body residues, and enabling the smoke and the crude synthetic gas to enter the incinerator (1) through the lower ash hole.
2. The medical waste treatment system of a plasma fusion coupled incinerator according to claim 1, wherein the incinerator (1) comprises a combustion chamber (103) and a secondary combustion chamber (104) communicated with the primary combustion chamber (103), the secondary combustion chamber (104) is located above the primary combustion chamber (103), the plasma fusion furnace (2) is communicated with a lower ash opening at the bottom of the primary combustion chamber (103), and the temperature of the secondary combustion chamber (104) is higher than the temperature of the primary combustion chamber (103).
3. The medical waste treatment system of a plasma fusion coupled incinerator according to claim 1, characterized in that the furnace body comprises a melting chamber (202) and a slag pool (201), the top of the melting chamber (202) is communicated with a lower ash opening at the bottom of the incinerator (1), the bottom of the melting chamber (202) is communicated with the slag pool (201), the plasma torch (3) passes through the side wall of the melting chamber (202) in a sealing mode and extends into the melting chamber (202), and the slag pool (201) is provided with a slag discharging channel (4) for discharging the liquid vitreous slag.
4. A medical waste treatment system of a plasma fusion coupling incinerator according to claim 3, characterized in that an included angle between the axial direction of the plasma torch (3) and the radial direction of the melting chamber (202) is 15-45 degrees, the head of the plasma torch (3) faces the slag pool (201), the slag discharging channel (4) is arranged obliquely downwards relative to the bottom surface of the slag pool (201), and the plasma torch (3) is further provided with a circulating cooling water inlet and a high-voltage power supply cable.
5. The medical waste treatment system of a plasma fusion coupled incinerator according to claim 2, further comprising a hydraulic pushing device (6), wherein the hydraulic pushing device (6) is connected with a feed inlet of the combustion chamber (103).
6. The medical waste treatment system of the plasma fusion coupled incinerator according to claim 2, wherein the secondary combustion chamber (104) is further provided with a waste liquid inlet and a liquid distributor provided in the waste liquid inlet.
7. The medical waste treatment system of the plasma fusion coupling incinerator according to claim 1, wherein the plasma fusion incinerator (2) comprises a heat preservation metal shell (203), a heat insulation refractory layer (204) and a refractory layer (205) from outside to inside in sequence.
8. A medical waste treatment system of a plasma fusion coupling incinerator according to claim 3, wherein the melting chamber (202) is in a square frustum pyramid shape, the top area of the melting chamber (202) is larger than the bottom area of the melting chamber (202), and the slag pool (201) is detachably connected with the bottom of the melting chamber (202) through a flange (5).
9. The medical waste treatment system of the plasma fusion coupling incinerator according to claim 2, further comprising an air heat exchanger (7) and an air supply device (8), wherein the top of the air heat exchanger (7) is communicated with a pipeline between the primary combustion chamber (103) and the secondary combustion chamber (104), the bottom of the air heat exchanger (7) is communicated with the air supply device (8), the side wall of the air heat exchanger (7) is communicated with a flue gas outlet of the secondary combustion chamber (104), and an oxygen analyzer is arranged at the top outlet of the air heat exchanger (7).
10. The medical waste treatment system of the plasma fusion coupling incinerator according to claim 2, wherein an emergency discharge chimney is arranged at the top of the secondary combustion chamber (104), and a valve and a pressure sensor are arranged at the outlet of the emergency discharge chimney.
11. The medical waste treatment system of a plasma fusion coupled incinerator according to claim 9, further comprising a flue gas purification device, wherein the flue gas purification device comprises an SNCR denitration device (9), a quench tower (10), a venturi tower (11), an activated carbon injection device (12), a limestone injection device (13), a dust remover (14), an induced draft fan (15) and a chimney (16), the SNCR denitration device (9) is communicated with a pipeline between the air heat exchanger (7) and the secondary combustion chamber (104), the side wall of the air heat exchanger (7) is sequentially communicated with the quench tower (10), the venturi tower (11), the dust remover (14), the induced draft fan (15) and the chimney (16), and the venturi tower (11) is sequentially communicated with the activated carbon injection device (12) and the limestone injection device (13).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117663148A (en) * | 2024-02-02 | 2024-03-08 | 济南格欧环保科技有限公司 | Two-stage type plasma gasification and melting medical waste treatment device and process |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117663148A (en) * | 2024-02-02 | 2024-03-08 | 济南格欧环保科技有限公司 | Two-stage type plasma gasification and melting medical waste treatment device and process |
| CN117663148B (en) * | 2024-02-02 | 2024-04-23 | 济南格欧环保科技有限公司 | Two-stage type plasma gasification and melting medical waste treatment device and process |
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