CN114102899A - Abandonment medical protective clothing is handled on spot and is retrieved device of recycling - Google Patents
Abandonment medical protective clothing is handled on spot and is retrieved device of recycling Download PDFInfo
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- CN114102899A CN114102899A CN202111339605.XA CN202111339605A CN114102899A CN 114102899 A CN114102899 A CN 114102899A CN 202111339605 A CN202111339605 A CN 202111339605A CN 114102899 A CN114102899 A CN 114102899A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B2017/001—Pretreating the materials before recovery
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B2017/001—Pretreating the materials before recovery
- B29B2017/0015—Washing, rinsing
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
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Abstract
The invention discloses a waste medical protective clothing in-situ treatment, recycling and reusing device, and relates to the technical field of waste recovery and treatment. The invention comprises a negative pressure device, a disinfection cleaning device, a melt extrusion device and a collection device. The method comprises the steps of firstly compressing the loose protective clothing by using a negative pressure device with a negative pressure pump as a core, then soaking, disinfecting and cleaning the compressed protective clothing by using a disinfectant in a disinfection cylinder, putting the disinfected protective clothing into a melting and extruding device through a feeding cylinder after disinfection, heating and melting the protective clothing into fluid by using a double-screw heating module, then uniformly mixing the fluid by using a double screw, extruding and granulating the fluid, and recycling the collected plastic particles. The invention can treat the used and abandoned medical protective clothing on site, realizes recycling, avoids resource waste and environmental pollution caused by complicated transportation process and landfill or incineration treatment, and has good application prospect in the medical care field and the waste treatment field.
Description
Technical Field
The invention relates to the technical field of waste recovery and treatment, in particular to a waste medical protective clothing in-situ treatment, recovery and reutilization device.
Background
Medical protective clothing refers to protective clothing used by medical staff (doctors, nurses, public health staff, cleaning staff, and the like) and people who enter specific medical and health areas (such as patients, hospital visitors, staff who enter infected areas, and the like). The function of the dust remover is to isolate germs, harmful ultrafine dust, acid-base solution, electromagnetic radiation and the like, ensure the safety of personnel and keep the environment clean.
The medical protective clothing has good effect on the aspects of coping with the retransmission of infectious diseases and the like, but most of the medical protective clothing are disposable articles, the treatment of the medical protective clothing after use is very complicated, and the treatment methods of burying and burning are adopted. The medical protective clothing is mainly made of polypropylene plastics, and can be decomposed for hundreds of years by burying, the environment is greatly polluted by the incineration method, and large resource waste is caused, and the methods need to transport the waste medical protective clothing to a specific treatment place, so that a large amount of manpower and material resources are wasted.
Based on the effect of the medical protective clothing and the defects of the traditional treatment mode, the waste medical protective clothing is subjected to compression treatment, disinfection and cleaning, then heating melting and extrusion granulation are carried out, so that the waste medical protective clothing is treated and recycled in place, the operation is simple, the use is convenient, the resources are saved, the environment is protected, and the medical protective clothing has great application value in the fields of medical care and waste treatment.
Accordingly, those skilled in the art have endeavored to develop a device for recycling waste medical protective clothing in situ.
Disclosure of Invention
In view of the above defects of the prior art, the technical problem to be solved by the present invention is the difficult problems of in-situ treatment and recycling of the waste medical protective clothing, including the lack of effective sterilization treatment for the waste medical protective clothing and the treatment of separately recycling each main raw material of the waste medical protective clothing in the existing treatment method.
In order to achieve the purpose, the invention provides a device for treating and recycling waste medical protective clothing on site, which solves the problems of environmental pollution and resource waste easily caused by the existing protective clothing treatment mode through the matching use of a negative pressure device, a disinfection cleaning device, a melt extrusion device and a collection device.
In order to solve the problems, the invention discloses a waste medical protective clothing in-situ treatment, recycling and reusing device, which comprises a negative pressure device, a disinfection and cleaning device, a melting and extrusion device and a collecting device;
the negative pressure device is arranged on one side of the disinfection and cleaning device, and a transmission channel is connected between the negative pressure device and the disinfection and cleaning device; the melting extrusion device is arranged below the disinfection and cleaning device and is connected with the collection device through a cooling water tank.
The negative pressure device comprises an open collecting cylinder, an open baffle, a collecting cylinder and a negative pressure pump; a collecting cylinder is arranged below the open collecting cylinder and used for storing waste medical protective clothing, an open baffle is arranged at the top of the collecting cylinder, and a filter screen is arranged below the bottom of the collecting cylinder and connected with a negative pressure pump.
The negative pressure provided by the negative pressure pump is-0.06 MPa to-0.08 MPa; under the negative pressure condition, the activity of pathogenic bacteria is reduced due to oxygen deficiency and negative pressure, and the disinfection efficiency is greatly improved; the filter screen is a silver nanowire antibacterial filter screen, and can keep the sterilization and anti-fouling effects while filtering larger particles.
The disinfection and cleaning device comprises a disinfection and cleaning barrel, a water inlet pipeline and a water outlet pipeline; the bottom parts of the collecting cylinder and the disinfecting and cleaning cylinder are provided with a collecting cylinder baffle and a disinfecting cylinder baffle, the cylinder walls at one side can be opened through the collecting cylinder baffle and the disinfecting cylinder baffle respectively, and the collecting cylinder baffle and the disinfecting cylinder baffle are connected with each other through a conveying belt; two water inlet pipelines are connected above the disinfection cleaning cylinder, one is connected with purified water, and the other is connected with disinfection solution, and the dilution ratio and the dosage are controlled by a valve; and a water outlet pipeline is connected below the other side of the disinfection and cleaning cylinder and is used for discharging sewage.
The disinfectant is 84 disinfectant, and the proportion of the disinfectant to water is 1: 50, the effective chlorine content is 1000mg/L, and the soaking disinfection time is 30 minutes to 1 hour; the disinfection conditions can effectively kill intestinal pathogenic bacteria, pyogenic coccus, bacterial spores and various hepatitis viruses, and meet the requirements of sterilization and disinfection of medical environment; the disinfection time has the advantages of disinfection effect and convenience of the device, and can prevent pathogen breeding caused by reduction of effective components of the disinfectant due to overlong disinfection time.
The melt extrusion device comprises a motor, a double-screw extruder, an extrusion port and a cooling water tank; heating pipes are embedded in a double-screw central shaft of the melting extrusion device, a heating zone consisting of the heating pipes is surrounded outside the double screws, and a temperature measuring rod is connected to form a temperature control heating module;
furthermore, the temperature control heating module controls the heating temperature of the melting extrusion device to exceed the melting points of main raw materials of the protective clothing, such as polypropylene, polyethylene, polyester fiber, polyvinyl chloride, polytetrafluoroethylene, chloroprene rubber and other polymer materials in sequence through a temperature measuring rod, the heating speed of 10 ℃ per second is adopted, the device is kept fast and convenient, the melting temperature is controlled accurately, specific components are melted accurately, and the specific components are melted into flowing materials respectively;
further, the molten material is uniformly mixed and pushed to an extrusion opening along with the rotation of the double screw, and is cooled and shaped after being cooled by unequal temperature water of hot water, warm water and cold water; the cooling condition can reduce the processing internal stress and ensure the uniform and stable properties.
The collecting device comprises a shearing opening and a collecting box; shearing and granulating the cooled material through a cutting opening to form plastic particles; the temperature control heating module is used for sequentially increasing the temperature and exceeding the melting point of each raw material in batches, so that the plastic particles corresponding to each raw material are produced in stages; the temperature control heating module automatically synchronizes the temperature rise time point of each stage to replace the collecting box, collects plastic particles of different raw materials, and can be repeatedly used as raw materials for preparing plastic products such as protective clothing and the like.
The invention has the following beneficial effects:
the invention uses the negative pressure device, the disinfection cleaning device, the melting extrusion device and the collecting device in a matching way, after compressing the waste medical protective clothing, filtering larger particles and inhibiting the activity of bacteria, quickly carries out medical grade disinfection and sterilization, then sends the medical grade disinfection and sterilization to the double-screw melting extrusion device, automatically and synchronously controls to carry out heating, melting, extrusion, cooling, granulation and automatic batch collection of all raw materials in stages, greatly saves labor cost, realizes in-situ treatment and recycling of the waste medical protective clothing, has simple operation and convenient use, avoids resource waste and environmental pollution caused by fussy transportation process and landfill or incineration treatment, saves resources, protects environment, and has good application prospect in the medical care field and the waste treatment field.
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, the features and the effects of the present invention.
Drawings
FIG. 1 is a schematic diagram of a device for recycling and reusing discarded medical protective clothing in situ according to a preferred embodiment of the present invention.
In the figure: 1-open collecting cylinder, 2-open baffle, 3-collecting cylinder, 4-filter screen, 5-negative pressure pump, 6-collecting cylinder baffle, 7-conveyor belt, 8-disinfection cylinder baffle, 9-pure water valve, 10-disinfection liquid valve, 11-disinfection cleaning cylinder, 12-telescopic baffle, 13-sewage valve, 14-feeding cylinder, 15-motor, 16-twin-screw extruder, 17-temperature control heating module, 18-cooling water tank, 19-cutting opening, 20-collecting box.
Detailed Description
The technical contents of the preferred embodiments of the present invention will be more clearly and easily understood by referring to the drawings attached to the specification. The present invention may be embodied in many different forms of embodiments and the scope of the invention is not limited to the embodiments set forth herein.
In the drawings, structurally identical elements are represented by like reference numerals, and structurally or functionally similar elements are represented by like reference numerals throughout the several views. The size and thickness of each component shown in the drawings are arbitrarily illustrated, and the present invention is not limited to the size and thickness of each component. The thickness of the components may be exaggerated where appropriate in the figures to improve clarity.
Example 1:
as shown in figure 1, the in-situ treatment, recycling and reusing device for the waste medical protective clothing comprises a negative pressure device, a disinfection and cleaning device, a melt extrusion device and a collection device. An open baffle 2 is arranged below the open collecting cylinder 1, a collecting cylinder 3 is arranged below the open baffle 2, a filter screen 4 is arranged below the collecting cylinder 3, and a negative pressure pump 5 is arranged below the filter screen 4; a collecting cylinder baffle 6 is arranged at the bottom of the side surface of the collecting cylinder 3, and a sterilizing cylinder baffle 8 is arranged at the bottom of the side surface of the sterilizing cleaning cylinder 11 and is connected with the collecting cylinder baffle 6 and the sterilizing cleaning cylinder through a conveyor belt 7; a pure water valve 9 and a disinfectant valve 10 are arranged above one side of the disinfecting and cleaning cylinder 11, and a sewage valve 13 is arranged below the other side; the bottom of the disinfection and cleaning cylinder 11 is provided with a telescopic baffle 12 which is connected with a feeding cylinder 14; a double-screw extruder 16 is arranged below the feeding cylinder 14, a motor 15 is arranged on one side of the double-screw extruder 16, and a temperature control heating module 17 is arranged in the double-screw extruder 16; a cooling water tank 18 is arranged outside an extrusion port of the double-screw extruder 16, a shearing port 19 is arranged at the tail end of the cooling water tank 18, and a collecting box 20 is arranged below the shearing port 19.
Aiming at the waste protective clothing made of polypropylene spun-bonded fabric as the main raw material, firstly, the waste medical protective clothing to be recycled is placed in an open collecting cylinder 1, an open baffle 2 is opened, and the waste medical protective clothing to be recycled falls into a collecting cylinder 3. The open baffle 2 is closed, the negative pressure pump 5 is started, the collecting barrel baffle 6 and the sterilizing barrel baffle 8 are opened after the medical protective clothing to be discarded is compressed, larger particles are filtered, the activity of bacteria is inhibited, and the protective clothing is conveyed into the sterilizing cleaning barrel 11 through the conveyor belt 7. And (3) opening a pure water valve 9 and a disinfectant valve 10, and mixing 84 disinfectant with water in a ratio of 1: 50 percent of the raw materials are added into a disinfection cleaning cylinder 11 and soaked for disinfection for 30 minutes. The sewage valve 13 is opened to drain sewage, the retractable baffle 12 is opened, and the protective clothing enters the double-screw extruder 16 through the feeding cylinder 14. The motor 15 is started, the temperature control heating module 17 controls the heating temperature to exceed the melting point of polypropylene which is the main raw material of the protective clothing by about 20 ℃ at the heating speed of 10 ℃ per second, namely, the temperature reaches 210 ℃, and the protective clothing is heated and melted into a flowing state. Then the mixture is evenly mixed with the rotation of the double screw and pushed to an extrusion opening, the mixture is cooled and shaped after being cooled by unequal temperature water of hot water, warm water and cold water in a cooling water tank 18, and the mixture is cut and granulated through a cutting opening 19 to form plastic particles. The plastic particles after extrusion granulation are collected by a collecting box 20 which is automatically corresponding to the lower part of the plastic particles and can be repeatedly used as raw materials for preparing plastic products such as protective clothing and the like, thereby realizing the in-situ treatment and recycling of the waste medical protective clothing.
Example 2:
to the abandonment protective clothing that raw and other materials are mainly polyester fiber spunlace cloth, at first, the medical protective clothing of abandonment of treating the recovery is placed in uncovered collecting vessel 1, opens uncovered baffle 2, and the medical protective clothing of abandonment of treating the recovery falls into collecting vessel 3. The open baffle 2 is closed, the negative pressure pump 5 is started, the collecting barrel baffle 6 and the sterilizing barrel baffle 8 are opened after the medical protective clothing to be discarded is compressed, larger particles are filtered, the activity of bacteria is inhibited, and the protective clothing is conveyed into the sterilizing cleaning barrel 11 through the conveyor belt 7. And (3) opening a pure water valve 9 and a disinfectant valve 10, and mixing 84 disinfectant with water in a ratio of 1: 50 percent of the raw materials are added into a disinfection cleaning cylinder 11 and soaked for disinfection for 30 minutes. The sewage valve 13 is opened to drain sewage, the retractable baffle 12 is opened, and the protective clothing enters the double-screw extruder 16 through the feeding cylinder 14. The motor 15 is started, the temperature control heating module 17 adopts the heating speed of 10 ℃ per second to control the heating temperature to exceed the melting point of the polyester fiber which is the main raw material of the protective clothing by about 20 ℃, namely 275 ℃, and the protective clothing is heated and melted into a flowing state. Then the mixture is evenly mixed with the rotation of the double screw and pushed to an extrusion opening, the mixture is cooled and shaped after being cooled by unequal temperature water of hot water, warm water and cold water in a cooling water tank 18, and the mixture is cut and granulated through a cutting opening 19 to form plastic particles. The plastic particles after extrusion granulation are collected by a collecting box 20 which is automatically corresponding to the lower part of the plastic particles and can be repeatedly used as raw materials for preparing plastic products such as protective clothing and the like, thereby realizing the in-situ treatment and recycling of the waste medical protective clothing.
Example 3:
to the abandonment protective clothing that raw and other materials are mainly polyethylene ventilated membrane/non-woven fabrics composite cloth, at first, wait that the medical protective clothing of abandonment of retrieving is placed in uncovered surge drum 1, opens uncovered baffle 2, and the medical protective clothing of abandonment of waiting to retrieve falls into in surge drum 3. The open baffle 2 is closed, the negative pressure pump 5 is started, the collecting barrel baffle 6 and the sterilizing barrel baffle 8 are opened after the medical protective clothing to be discarded is compressed, larger particles are filtered, the activity of bacteria is inhibited, and the protective clothing is conveyed into the sterilizing cleaning barrel 11 through the conveyor belt 7. And (3) opening a pure water valve 9 and a disinfectant valve 10, and mixing 84 disinfectant with water in a ratio of 1: 50 percent of the raw materials are added into a disinfection cleaning cylinder 11 and soaked for disinfection for 30 minutes. The sewage valve 13 is opened to drain sewage, the retractable baffle 12 is opened, and the protective clothing enters the double-screw extruder 16 through the feeding cylinder 14. The motor 15 is started, the temperature control heating module 17 controls the heating temperature to exceed the melting point of the main raw material polyethylene of the protective clothing by about 20 ℃ at a heating speed of 10 ℃ per second, namely, the temperature reaches 130 ℃, and the protective clothing is heated and melted into a flowing state. Then the mixture is evenly mixed with the rotation of the double screw and pushed to an extrusion opening, the mixture is cooled and shaped after being cooled by unequal temperature water of hot water, warm water and cold water in a cooling water tank 18, and the mixture is cut and granulated through a cutting opening 19 to form plastic particles. The plastic particles after extrusion granulation are collected by a collecting box 20 which is automatically corresponding to the lower part of the plastic particles and can be repeatedly used as raw materials for preparing plastic products such as protective clothing and the like, thereby realizing the in-situ treatment and recycling of the waste medical protective clothing.
Example 4:
aiming at the raw materials of polypropylene spun-bonded, melt-blown and spun-bonded composite non-woven fabric and waste protective clothing containing polyvinyl chloride and polyethylene coatings, firstly, the waste medical protective clothing to be recycled is placed in an open collecting cylinder 1, an open baffle 2 is opened, and the waste medical protective clothing to be recycled falls into a collecting cylinder 3. The open baffle 2 is closed, the negative pressure pump 5 is started, the collecting barrel baffle 6 and the sterilizing barrel baffle 8 are opened after the medical protective clothing to be discarded is compressed, larger particles are filtered, the activity of bacteria is inhibited, and the protective clothing is conveyed into the sterilizing cleaning barrel 11 through the conveyor belt 7. And (3) opening a pure water valve 9 and a disinfectant valve 10, and mixing 84 disinfectant with water in a ratio of 1: 50 percent of the raw materials are added into a disinfection cleaning cylinder 11 and soaked for disinfection for 30 minutes. The sewage valve 13 is opened to drain sewage, the retractable baffle 12 is opened, and the protective clothing enters the double-screw extruder 16 through the feeding cylinder 14. The motor 15 is started, the heating temperature is controlled to exceed the melting point of each main raw material of the protective clothing by about 20 ℃ through the temperature control heating module 17 by adopting the heating speed of 10 ℃ per second, namely the temperature reaches 130 ℃ (polyethylene), 210 ℃ (polypropylene) and 240 ℃ (polyvinyl chloride) respectively, and different raw materials of the protective clothing are melted by utilizing different heating temperatures respectively to be in a flowing state. Then the mixture is evenly mixed with the rotation of the double screw and pushed to an extrusion opening, the mixture is cooled and shaped after being cooled by unequal temperature water of hot water, warm water and cold water in a cooling water tank 18, and the mixture is cut and granulated through a cutting opening 19 to form plastic particles. The plastic particles after extrusion granulation are collected in batches by the collecting boxes 20 which automatically correspond below and can be repeatedly used as raw materials for preparing plastic products such as protective clothing, so that the waste medical protective clothing can be treated and recycled in situ, the operation is simple, the use is convenient, the resource waste and the environmental pollution generated in the transportation process and the burning process of the waste protective clothing are reduced, the energy is saved, the environment is protected, and the plastic particle collecting device has a good application prospect in the medical care field and the waste treatment field.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. A waste medical protective clothing in-situ treatment recycling device is characterized by comprising a negative pressure device, a disinfection cleaning device, a melting extrusion device, a collecting device and a cooling water tank; the negative pressure device is arranged on one side of the disinfection and cleaning device, and a transmission channel is connected between the negative pressure device and the disinfection and cleaning device; the melting extrusion device is arranged below the disinfection and cleaning device and is connected with the collection device through the cooling water tank.
2. The in-situ treatment, recycling and reusing device for the waste medical protective clothing as claimed in claim 1, wherein the negative pressure device comprises an open collecting cylinder, an open baffle, a collecting cylinder and a negative pressure pump, the lower part of the open collecting cylinder is connected with the collecting cylinder through the open baffle, and a filter screen is arranged below the bottom of the collecting cylinder and connected with the negative pressure pump; the negative pressure provided by the negative pressure pump is-0.06 MPa to-0.08 MPa.
3. The device as claimed in claim 2, wherein the disinfecting and cleaning device comprises a disinfecting and cleaning barrel, and the bottom of the collecting barrel and the bottom of the disinfecting and cleaning barrel are provided with a collecting barrel baffle and a disinfecting barrel baffle, so that a barrel wall on one side can be opened by the collecting barrel baffle and the disinfecting barrel baffle respectively, and the collecting barrel baffle and the disinfecting barrel baffle are connected with each other by a conveyor belt.
4. The in-situ treatment and recycling device for the waste medical protective clothing as claimed in claim 3, wherein two water inlet pipes are connected to the upper part of the side wall of the disinfection and cleaning cylinder, one is connected with purified water, and the other is connected with disinfection solution, and the mixing ratio and the dosage are controlled by a valve; the lower part of the other side is connected with a water outlet pipeline for discharging sewage.
5. The in-situ waste medical protective clothing processing and recycling device as claimed in claim 4, wherein the bottom of the disinfecting and cleaning barrel is provided with a retractable baffle plate, and the retractable baffle plate is connected with a feeding barrel of the melt extrusion device below.
6. The in-situ treatment, recycling and reusing device for the waste medical protective clothing as claimed in claim 5, wherein a heating pipe is embedded in the central shaft of the melt extrusion device, and a heating zone consisting of the heating pipe is surrounded outside the melt extrusion device and connected with a temperature measuring rod to form a temperature-controlled heating module; the temperature control heating module is connected with an external computer, the heating temperature of the melting extrusion device is controlled by the temperature measuring rod to sequentially exceed the melting points of main raw materials of the protective clothing, such as polypropylene, polyethylene and polyester fiber, and high polymer materials of polyvinyl chloride, polytetrafluoroethylene, chloroprene rubber and the like, and the main raw materials are respectively extruded and molded.
7. The in-situ treatment and recycling device for the waste medical protective clothing as claimed in claim 6, wherein the end of the melt extrusion device is provided with an extrusion port connected with the cooling water tank; water with different temperatures is placed in the cooling water tank in sections, the temperature is lower than the temperature of the extruded materials, and a shear port is arranged at the tail end of the cooling water tank; and a collecting box capable of being automatically replaced is placed below the shearing opening.
8. The device as claimed in claim 7, wherein the disinfecting liquid is 84 disinfecting liquid, and the ratio of the disinfecting liquid to the water is 1: 50, the effective chlorine content is 1000mg/L, and the soaking disinfection time is 30 minutes to 1 hour.
9. The in-situ waste medical protective clothing processing and recycling device as claimed in claim 8, wherein the melt extrusion device adopts a heating speed of 10 ℃ per second.
10. The in-situ treatment and recycling device for the waste medical protective clothing as claimed in claim 9, wherein the molten material is uniformly mixed with the rotation of the twin-screw and then pushed to the extrusion port, and is cooled and shaped after non-isothermal water cooling of hot water, warm water and cold water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111339605.XA CN114102899A (en) | 2021-11-12 | 2021-11-12 | Abandonment medical protective clothing is handled on spot and is retrieved device of recycling |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111339605.XA CN114102899A (en) | 2021-11-12 | 2021-11-12 | Abandonment medical protective clothing is handled on spot and is retrieved device of recycling |
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| CN114102899A true CN114102899A (en) | 2022-03-01 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101979232A (en) * | 2010-10-28 | 2011-02-23 | 周宝茂 | Sterilization, antivirus and recycling processing method for disposable medical plastic |
| CN107901278A (en) * | 2018-01-02 | 2018-04-13 | 成都易活动科技有限公司 | A kind of environment-friendly type polyvinyl fluoride thin film retracting device |
| US20190016033A1 (en) * | 2013-04-12 | 2019-01-17 | Styromelt Limited | Apparatus and method for volumetric reduction of polymeric material |
| CN210253519U (en) * | 2019-07-10 | 2020-04-07 | 管利华 | Medical waste cleaning device |
| CN111590780A (en) * | 2020-06-15 | 2020-08-28 | 孙燕 | Medical waste plastic recovery treatment process |
| CN112171945A (en) * | 2020-08-12 | 2021-01-05 | 安徽天元医疗科技有限公司 | Processing apparatus is recycled to protective clothing |
| CN112620311A (en) * | 2020-12-18 | 2021-04-09 | 西安理工大学 | High-voltage nanosecond pulse-based auxiliary degradation device and method for abandoned medical protective clothing |
-
2021
- 2021-11-12 CN CN202111339605.XA patent/CN114102899A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101979232A (en) * | 2010-10-28 | 2011-02-23 | 周宝茂 | Sterilization, antivirus and recycling processing method for disposable medical plastic |
| US20190016033A1 (en) * | 2013-04-12 | 2019-01-17 | Styromelt Limited | Apparatus and method for volumetric reduction of polymeric material |
| CN107901278A (en) * | 2018-01-02 | 2018-04-13 | 成都易活动科技有限公司 | A kind of environment-friendly type polyvinyl fluoride thin film retracting device |
| CN210253519U (en) * | 2019-07-10 | 2020-04-07 | 管利华 | Medical waste cleaning device |
| CN111590780A (en) * | 2020-06-15 | 2020-08-28 | 孙燕 | Medical waste plastic recovery treatment process |
| CN112171945A (en) * | 2020-08-12 | 2021-01-05 | 安徽天元医疗科技有限公司 | Processing apparatus is recycled to protective clothing |
| CN112620311A (en) * | 2020-12-18 | 2021-04-09 | 西安理工大学 | High-voltage nanosecond pulse-based auxiliary degradation device and method for abandoned medical protective clothing |
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Application publication date: 20220301 |