CN111388735A - Air removing and treating device in special packaging bag for medical waste - Google Patents
Air removing and treating device in special packaging bag for medical waste Download PDFInfo
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- CN111388735A CN111388735A CN202010231092.XA CN202010231092A CN111388735A CN 111388735 A CN111388735 A CN 111388735A CN 202010231092 A CN202010231092 A CN 202010231092A CN 111388735 A CN111388735 A CN 111388735A
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- heating net
- negative pressure
- filter
- heating
- air
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0028—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions provided with antibacterial or antifungal means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/005—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by heat treatment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/91—Bacteria; Microorganisms
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- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Physics & Mathematics (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
The invention discloses an air removing and treating device in a special packaging bag for medical wastes, which comprises a pipe body, wherein a one-way valve is installed at the front end of the pipe body, a high-efficiency filter is communicated with the rear end of the pipe body, a primary filter is arranged at one end, close to the one-way valve, in the pipe body, a negative pressure generator and a heating mechanism are further installed in the pipe body, and the primary filter, the negative pressure generator and the heating mechanism are all fixedly connected with the inner side wall of the pipe body in a sealing manner. The invention has the advantages of convenient operation and high safety.
Description
Technical Field
The invention relates to the field of disinfection treatment, in particular to an air removing and treating device in a special packaging bag for medical wastes.
Background
In the presence of large infectious diseases, such as SARS and new coronary pneumonia, the virus has extremely strong infectivity, and in order to reduce the spread of the virus through spray, contact spread and aerosol spread, the medical instruments are reused, so that the bedside pretreatment is cancelled, and the medical instruments are packaged by medical waste special packaging bags and then sent to a disinfection and sterilization unit for treatment, thereby ensuring the centralized treatment of sterilization and reducing the chance of infection.
However, air is often mixed when the contaminated medical instruments are packaged in the medical waste special packaging bag, and the contaminated air leaks when the sterilization unit unpacks the packaging bag, thereby increasing the risk of virus transmission.
Disclosure of Invention
To the deficiency of the prior art, the technical problem to be solved by the present patent application is: how to provide a convenient operation, high special wrapping bag air of medical waste gets rid of and processing apparatus with security.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an air gets rid of and processing apparatus in special wrapping bag of medical waste, includes the body, the check valve is installed to the front end of body, the rear end intercommunication of body has high efficiency filter, the inside of body is close to the one end of check valve is provided with just imitates the filter, still install negative pressure generator and heating mechanism in the body, just imitate filter, negative pressure generator and heating mechanism all with the sealed fixed connection of inside wall of body.
Further, the cross-sectional area of the pipe body on the side close to the one-way valve is smaller than the cross-sectional area of the pipe body on the side far away from the one-way valve.
Further, heating mechanism is including parallel arrangement's first heating net and second heating net each other, first heating net with the second heating net all is connected with the power through the wire, first heating net with still be provided with temperature sensor between the second heating net.
Further, the primary filter is an air filter, and a three-level respirator filter membrane is arranged in the air filter.
Furthermore, the negative pressure generator is an exhaust fan arranged in the tube body, and the exhaust fan is electrically connected with a negative pressure switch arranged outside the tube body.
Further, primary filter, exhaust fan, first heating net and second heating net all through the sealing gasket with the inside wall sealing connection of body.
Further, the outside of the tube body is also provided with a handle, and the negative pressure switch is installed on the handle.
Further, the check valve is an electromagnetic valve.
Has the advantages that:
the device provided by the invention extracts air in the medical waste packaging bag, avoids infection caused by waste gas with viruses due to sudden gushing of waste gas generated by opening the packaging bag when the packaging bag is treated, greatly reduces the risk of waste treatment, is simple to operate in the using process, comprises three layers of filtering and cleaning, ensures the filtering and killing of the viruses, adopts negative pressure to form directional flow, avoids the condition of backflow, has higher safety and convenient operation, can be used by one person with one hand, and has convenience.
Description of the drawings:
fig. 1 is a schematic structural diagram of an air removing and treating device in a medical waste special packaging bag according to the scheme.
Fig. 2 is a frame diagram of a heating mechanism temperature control module.
Fig. 3 is a flow chart of the temperature control module of the heating mechanism for realizing temperature control.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, an air is got rid of and processing apparatus in special packaging bag of medical waste, includes body 1, check valve 11 is installed to the front end of body 1, the rear end intercommunication of body 1 has high efficiency filter 12, the inside of body 1 is close to the one end of check valve 11 is provided with primary filter 13, still install negative pressure generator 14 and heating mechanism in the body 1, primary filter 13, negative pressure generator 14 and heating mechanism all with the sealed fixed connection of inside wall of body 1.
When using, heating mechanism preheats the internal portion of tube before using, insert the medical waste wrapping bag with the front end of body in, adopt to hold or adopt appurtenance to carry out airtight laminating with wrapping bag and body, then open negative pressure generator, negative pressure generator changes the internal gas of body into and flows by the front end rear end, and then the waste gas in the extraction medical waste wrapping bag, this waste gas is very likely to carry a large amount of infectious bacteria or virus, waste gas carries out first filtration to it through just imitating the filter earlier, carry out high temperature disinfection through heating mechanism again, discharge to the atmosphere after carrying out high efficiency sterilization through the high efficiency filter of body rear end at last, accomplish the preliminary treatment to medical waste wrapping bag. The processing apparatus who provides in this scheme, can carry out the preliminary treatment with the air in the medical waste packaging bag, form a vacuum compression device with it, prevent that the staff from producing a large amount of gases and gushing out when opening, on the contrary, because the inside vacuum compression state that is in of wrapping bag, when opening, under the effect of atmospheric pressure, outside gas can inwards gush in, can not exert an influence to the operator, if the gas of handling has the strong bacterium of infectivity or virus and very easily receives the infection, the biological safety nature of promotion waste disposal that this scheme can be great.
In particular, the auxiliary tool may be, but is not limited to, a rope and an elastic rubber ring.
Further, the cross-sectional area of the side of the pipe body 1 close to the one-way valve 11 is smaller than the cross-sectional area of the side of the pipe body 1 far from the one-way valve 11. Like this, the gaseous back of getting into from the body front end in the wrapping bag, from the passageway that the cross-sectional area is little behind the passageway that the passageway flow direction cross-sectional area is big, the velocity of flow can reduce, disinfection effect when can ensure through primary filter, heating mechanism and high efficiency filter.
Further, the heating mechanism comprises a first heating net 15 and a second heating net 16 which are arranged in parallel, the first heating net 15 and the second heating net 16 are both connected with a power supply 17 through leads, and a temperature sensor 18 is further arranged between the first heating net 15 and the second heating net 16. Therefore, the first heating net and the second heating net can be electrified and heated under the action of the power supply to play a role of high-temperature sterilization, and meanwhile, the temperature sensor arranged between the first heating net and the second heating net can carry out constant-temperature detection by measuring the environment between the first heating net and the second heating net.
Specifically, the first heating net 15 and the second heating net 16 are made of the same material, are both made of nickel-cadmium electrothermal alloy, and have the advantages of fast temperature rise and obvious electric heating effect.
Specifically, power supply 17 includes that group battery, charging module and voltage adjustment output module constitute, still be provided with switch 19 on the power, the module of charging can accept external power to charge for the group battery like this, the deposit of guarantee electric quantity, and voltage adjustment output module can be for negative pressure generator and heating mechanism power supply.
The heating mechanism temperature control module comprises a single chip microcomputer, a synchronous shift circuit, a heating network control switch and a voltage amplifier, wherein the single chip microcomputer is provided with a digital-to-analog converter and an analog-to-digital converter, the single chip microcomputer is connected with a display screen 21, a first heating network 15 and a second heating network 16 work, a temperature sensor 18 detects and converts the voltage into a voltage signal, the voltage signal is converted into a digital quantity by the digital-to-analog converter in the single chip microcomputer after being amplified by the voltage amplifier, an actual temperature value around the heating mechanism is displayed on the display screen 21, meanwhile, the temperature value is compared with a set value, the deviation value is provided for PID calculation to carry out operation, a calculation result is converted into an analog quantity by the analog-to-digital converter and then is output to the synchronous shift circuit by the single chip microcomputer, the synchronous shift circuit outputs a control pulse to the heating network control switch to make the, therefore, the temperature of air between the first heating net 15 and the second heating net 16 is controlled, the synchronous phase-shift control circuit outputs pulses to control the on-off of the heating net control switch, the heating time control of the heating net is realized, and the temperature control of the heating net is realized.
Specifically, the single chip microcomputer is further connected with a temperature adjusting key 22, so that the set temperature can be adjusted conveniently.
Specifically, the running PID calculation is based on the formula:
e(t)＝r(t)-y(t)
in the formula: kPIs a proportionality coefficient; t isIIs an integration time constant; t isDIs a differential time constant; y (t) is a test value of the temperature sensor; r (t) is a set temperature value; e (t) is the difference between the test value and the set value; u (t) is a control signal output to the synchronous phase shift circuit.
Further, the primary filter 13 is an air filter, and a three-level respirator filter membrane is arranged in the air filter. Like this, can carry out preliminary filtration processing through air cleaner to the gas that gets into in the body, promote holistic filter effect.
Further, the negative pressure generator 14 is an exhaust fan disposed in the pipe body 1, and the exhaust fan is electrically connected to a negative pressure switch 23 disposed outside the pipe body 1. Thus, the negative pressure switch controls the exhaust fan to act, and the gas in the pipe body flows directionally through the rotation of the exhaust fan.
Specifically, a driving circuit is arranged between the negative pressure switch 23 and the exhaust fan, the driving circuit is connected with a power supply, when the negative pressure switch is started, the driving circuit supplies voltage and current of a specified limit of the power supply to the exhaust fan, and after the negative pressure switch is disconnected, the power supply stops supplying the power supply, and the exhaust fan stops rotating.
Specifically, the check valve is electrically connected with the driving circuit, and the negative pressure switch controls the exhaust fan and the check valve to be opened and closed synchronously. Therefore, the one-way valve and the exhaust fan can be opened and closed simultaneously when the negative pressure switch is pressed, and the synchronization of negative pressure and air inlet is guaranteed.
Further, the primary filter 13, the exhaust fan, the first heating net 15 and the second heating net 16 are all connected with the inner side wall of the tube body 1 in a sealing way through sealing gaskets. Can ensure like this that waste gas all passes through from primary filter, exhaust fan, first heating net and second heating net, avoid taking place not through the condition that filters just pass through.
Further, a handle 24 is further arranged on the outer side of the pipe body 1, and the negative pressure switch 23 is mounted on the handle 24. Thus, the handle can provide a gripping space for convenient operation.
Specifically, the negative pressure switch 23 is a self-locking switch, that is, one pressing action is an instruction input, so that the switch does not need to be pressed for a long time, and the use is convenient.
Further, the check valve 11 is an electromagnetic valve. In this way, control can be facilitated.
Specifically, the solenoid valve with negative pressure switch electric connection, when opening negative pressure switch, the solenoid valve is opened, can realize with the synchronous action of exhaust fan, closes negative pressure switch, and exhaust fan and solenoid valve are closed in step, block that waste gas gets into.
Specifically, the high-efficiency filter 12 is a HEPA high-efficiency filter for laminar flow purification.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides a special wrapping bag of medical waste air is got rid of and processing apparatus which characterized in that: the novel pipe comprises a pipe body, the check valve is installed to the front end of body, the rear end intercommunication of body has high efficiency filter, the inside of body is close to the one end of check valve is provided with just imitates the filter, still install negative pressure generator and heating mechanism in the body, just imitate filter, negative pressure generator and heating mechanism all with the sealed fixed connection of inside wall of body.
2. The special packaging bag for medical wastes according to claim 1, wherein the cross-sectional area of the side of said tubular body adjacent to said check valve is smaller than the cross-sectional area of the side of said tubular body remote from said check valve.
3. The device for removing and disposing air in a medical waste special packaging bag according to claim 2, wherein the heating mechanism comprises a first heating net and a second heating net which are arranged in parallel, the first heating net and the second heating net are both connected with a power supply through wires, and a temperature sensor is further arranged between the first heating net and the second heating net.
4. The device of claim 3, wherein the primary filter is an air filter, and a three-level respirator filter membrane is disposed in the air filter.
5. The device as claimed in claim 4, wherein the negative pressure generator is an exhaust fan disposed inside the tube, and the exhaust fan is electrically connected to a negative pressure switch disposed outside the tube.
6. The device as claimed in claim 5, wherein the primary filter, the exhaust fan, the first heating net and the second heating net are all connected to the inner wall of the tube by sealing gaskets.
7. The device as claimed in claim 6, wherein a handle is further disposed outside the tube, and the negative pressure switch is mounted on the handle.
8. The device for removing and disposing of air in medical waste packaging bag according to claim 7, wherein said one-way valve is a solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010231092.XA CN111388735A (en) | 2020-03-27 | 2020-03-27 | Air removing and treating device in special packaging bag for medical waste |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010231092.XA CN111388735A (en) | 2020-03-27 | 2020-03-27 | Air removing and treating device in special packaging bag for medical waste |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111388735A true CN111388735A (en) | 2020-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010231092.XA Pending CN111388735A (en) | 2020-03-27 | 2020-03-27 | Air removing and treating device in special packaging bag for medical waste |
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| Country | Link |
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| CN (1) | CN111388735A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6280691B1 (en) * | 1997-03-31 | 2001-08-28 | Alliedsignal Inc. | Indoor air purification system |
| US20140096685A1 (en) * | 2012-10-10 | 2014-04-10 | Monika Backhaus-Ricoult | Exhaust gas treatment system including a thermoelectric generator |
| CN204815992U (en) * | 2015-07-28 | 2015-12-02 | 扬州市恒通环保科技有限公司 | Dehumidification dust removal filter |
| CN108211621A (en) * | 2018-01-16 | 2018-06-29 | 陈亦凡 | Haze pollutant cancellation element |
| CN109200684A (en) * | 2018-09-05 | 2019-01-15 | 嘉兴美斯克电气科技有限公司 | A kind of high temperature sterilization suction type air purifier |
| CN208492769U (en) * | 2018-01-31 | 2019-02-15 | 晏妮 | A kind of anti-infection care device of division of respiratory disease |
| CN110300606A (en) * | 2017-01-06 | 2019-10-01 | 加利亚纺织公司 | System and method for sterilizing to Biohazard Waste |
-
2020
- 2020-03-27 CN CN202010231092.XA patent/CN111388735A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6280691B1 (en) * | 1997-03-31 | 2001-08-28 | Alliedsignal Inc. | Indoor air purification system |
| US20140096685A1 (en) * | 2012-10-10 | 2014-04-10 | Monika Backhaus-Ricoult | Exhaust gas treatment system including a thermoelectric generator |
| CN204815992U (en) * | 2015-07-28 | 2015-12-02 | 扬州市恒通环保科技有限公司 | Dehumidification dust removal filter |
| CN110300606A (en) * | 2017-01-06 | 2019-10-01 | 加利亚纺织公司 | System and method for sterilizing to Biohazard Waste |
| CN108211621A (en) * | 2018-01-16 | 2018-06-29 | 陈亦凡 | Haze pollutant cancellation element |
| CN208492769U (en) * | 2018-01-31 | 2019-02-15 | 晏妮 | A kind of anti-infection care device of division of respiratory disease |
| CN109200684A (en) * | 2018-09-05 | 2019-01-15 | 嘉兴美斯克电气科技有限公司 | A kind of high temperature sterilization suction type air purifier |
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Application publication date: 20200710 |