CN115403120A - Biological safety waste liquid collecting and treating system and method - Google Patents
Biological safety waste liquid collecting and treating system and method Download PDFInfo
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- CN115403120A CN115403120A CN202110583880.XA CN202110583880A CN115403120A CN 115403120 A CN115403120 A CN 115403120A CN 202110583880 A CN202110583880 A CN 202110583880A CN 115403120 A CN115403120 A CN 115403120A
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- 239000007788 liquid Substances 0.000 title claims abstract description 382
- 239000002699 waste material Substances 0.000 title claims abstract description 206
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 88
- 241000700605 Viruses Species 0.000 claims abstract description 30
- 239000000645 desinfectant Substances 0.000 claims abstract description 18
- 238000012545 processing Methods 0.000 claims abstract description 11
- 230000001954 sterilising effect Effects 0.000 claims description 46
- 239000000843 powder Substances 0.000 claims description 14
- 230000000694 effects Effects 0.000 claims description 12
- 239000010796 biological waste Substances 0.000 claims description 8
- 239000010892 non-toxic waste Substances 0.000 claims description 8
- 238000012360 testing method Methods 0.000 claims description 8
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 238000011012 sanitization Methods 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims 1
- 238000005213 imbibition Methods 0.000 description 11
- 239000000243 solution Substances 0.000 description 9
- 230000002745 absorbent Effects 0.000 description 7
- 239000002250 absorbent Substances 0.000 description 7
- 230000002421 anti-septic effect Effects 0.000 description 6
- 230000000249 desinfective effect Effects 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 238000003912 environmental pollution Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 239000000443 aerosol Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002572 peristaltic effect Effects 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
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- 239000000203 mixture Substances 0.000 description 1
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- 230000037452 priming Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- 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
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
- A61L2/18—Liquid substances or solutions comprising solids or dissolved gases
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/003—Wastewater from hospitals, laboratories and the like, heavily contaminated by pathogenic microorganisms
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
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- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
- Epidemiology (AREA)
- General Chemical & Material Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Veterinary Medicine (AREA)
- Hydrology & Water Resources (AREA)
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- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
The utility model provides a biological safety waste liquid collecting and processing system and method, wherein, the waste liquid collecting and processing system comprises: a liquid absorbing member (1) configured to absorb liquid through a first liquid inlet (11); a liquid suction power assembly (3) comprising a liquid suction pump (33), a second liquid inlet (34) of the liquid suction pump (33) being connected with the first liquid outlet (12) of the liquid suction component (1) and configured to provide suction to the liquid suction component (1) to suck liquid; a waste liquid collection container (5) connected to the second liquid outlet (35) of the liquid suction pump (33) and configured to collect waste liquid; and a disinfection container (6) configured to contain a disinfection liquid (63); wherein the liquid absorbing component (1) is configured to absorb waste liquid from the virus culture container (7) to the waste liquid collecting container (5), absorb disinfectant (63) from the disinfection container (6) after absorbing the waste liquid to disinfect and clean the pipeline system, and the cleaned disinfectant (63) enters the waste liquid collecting container (5).
Description
Technical Field
The disclosure relates to the field of biological virus experiments, in particular to a system and method for collecting and treating biological safety waste liquid.
Background
In biological experiments, a plurality of viruses are used, so that a large amount of waste liquid with virus particles is remained in a virus culture container and needs to be removed. With the rapid development of the biological scientific research field, the tasks of experiments such as virus culture and the like are gradually increased, so that the requirements on the efficiency and the safety of waste liquid collection and treatment are higher and higher.
In a related art, the biological laboratory virus culture waste liquid is completed in a biosafety cabinet by an electric pipette. When the electric pipettor is used for liquid suction, waste liquid needs to be sucked into the glass tube, then the waste liquid is beaten out of the glass tube, and then liquid suction and discharge are performed for the next time. A large amount of aerosol is generated in the process of liquid discharge, so that the risk of environmental pollution is caused. Because of the glass pipe volume is limited, when carrying out the waste liquid collection of large-scale having the virus, need many times repetitive operation, efficiency is lower and have the waste liquid to suck the risk that the electronic pipettor leads to polluting backward.
In another related art, the biological laboratory virus culture waste is completed in a biosafety cabinet by a vacuum pipetting system. When using vacuum imbibition system, need bleed earlier with the buffer bottle, form the negative pressure in the bottle, just at this moment can carry out the imbibition, and when the imbibition reached a certain amount, the buffer bottle internal pressure recovered normal, need bleed again, formed the negative pressure, just can carry out next imbibition, this can influence efficiency. More importantly, the waste liquid bottle of the vacuum liquid suction system cannot be isolated from air, so that the risk of pollution is caused.
Disclosure of Invention
The invention provides a system and a method for collecting and treating biologically safe waste liquid, which can improve the efficiency of waste liquid collection on the premise of ensuring biological safety.
According to an aspect of the present disclosure, there is provided a biosafety waste liquid collecting and treating system, comprising:
a liquid suction member configured to suck liquid through a first liquid inlet;
the liquid suction power assembly comprises a liquid suction pump, a second liquid inlet of the liquid suction pump is connected with a first liquid outlet of the liquid suction component and is configured to provide suction force for the liquid suction component to suck liquid;
the waste liquid collecting container is connected with a second liquid outlet of the liquid suction pump and is configured to collect waste liquid; and
a disinfection container configured to contain a disinfection solution;
the liquid absorbing component is configured to absorb waste liquid from the virus culture container to the waste liquid collecting container, absorb disinfectant liquid from the disinfecting container after absorbing the waste liquid to disinfect and clean the pipeline system, and the disinfected disinfectant liquid enters the waste liquid collecting container after being cleaned.
In some embodiments, the waste collection container is a sterile vacuum bag.
In some embodiments, the waste collection container is pre-filled with a sanitizing powder configured to mix with incoming waste to form a non-toxic waste.
In some embodiments, a sterilization strip is affixed to an outer surface of the waste collection container, the sterilization strip configured to indicate sterilization when the waste collection container is sterilized in an autoclave after the waste has been collected.
In some embodiments, the disinfection container is provided with an opening configured to allow the liquid absorbing component to extend into the disinfection liquid, and the opening is closed by a shielding sheet with a cross-shaped cut.
In some embodiments, the portion of the liquid absorbing component close to the first liquid inlet is a tapered section, the top surface of the disinfection container is provided with a concave portion configured to position the liquid absorbing component, the bottom wall of the concave portion is provided with an opening configured to allow the liquid absorbing component to extend into the disinfection container to absorb the disinfection liquid, and the side wall of the concave portion on the outer surface of the disinfection container is tapered from top to bottom and matched with the tapered section.
In some embodiments, the bottom of the disinfection container is provided with a liquid injection port configured to inject disinfectant liquid, and the liquid injection port is closed by a cap.
In some embodiments, the biosafety waste collection and treatment system further comprises:
a first non-return valve disposed inside the liquid absorbing member and configured to prevent backflow of the waste liquid during the collection process; and/or
And the second check valve is arranged in the waste liquid collecting container and is configured to prevent waste liquid from flowing out of the waste liquid collecting container.
In some embodiments, the liquid absorbent power assembly further comprises: a controller for controlling the operation of the electronic device,
the biological safety waste liquid collecting and treating system further comprises:
the first operating element is arranged on the liquid suction component and is configured to send a trigger signal to the controller by receiving external operation so as to start the liquid suction pump to suck waste liquid, and the first operating element and the controller are in wireless communication.
In some embodiments, the liquid absorbent power assembly further comprises: a controller for controlling the operation of the electronic device,
the biological safety waste liquid collecting and treating system further comprises:
and the second operating element is configured to send a trigger signal to the controller by receiving external operation in a state that the liquid suction component is connected with the disinfection container so as to start the liquid suction pump to disinfect and clean the pipeline system.
In some embodiments, the liquid absorbent power assembly further comprises: a controller for controlling the operation of the electronic device,
the biological safety waste liquid collecting and treating system further comprises:
and a third operation member configured to adjust a rotation speed of the liquid suction pump by receiving an external operation after the liquid suction pump is turned on, to adjust the liquid suction speed.
According to another aspect of the present disclosure, there is provided a biological waste liquid collecting and processing method based on the above biological safe waste liquid collecting and processing system, including:
starting a liquid suction pump to enable a liquid suction component to suck the waste liquid from the virus culture container to a waste liquid collection container;
stopping the liquid suction pump after liquid suction is finished;
and the liquid suction pump is restarted to ensure that the liquid suction component sucks the disinfectant from the disinfection container to disinfect and clean the pipeline system.
In some embodiments, the biological waste fluid collection treatment method further comprises:
the waste liquid collection container is pre-filled with a sterile powder prior to the absorption of the waste liquid, such that the sterile powder mixes with the incoming waste liquid to form a non-toxic waste liquid.
In some embodiments, the biological waste fluid collection treatment method further comprises:
after the waste liquid in the waste liquid collecting container is completely collected, the waste liquid collecting container is detached and placed in an autoclave for sterilization;
in the sterilization process, the sterilization effect is indicated by the sterilization test paper attached to the outer surface of the waste liquid collecting container;
after sterilization is complete, the waste collection container is treated as specified.
Based on the above embodiment of the present disclosure, by providing the liquid suction pump and the disinfection container, continuous power can be provided when the waste liquid is sucked from the virus culture container by the liquid suction member, thereby improving the waste liquid suction efficiency; moreover, after the waste liquid is sucked, the disinfectant can be still sucked from the disinfection container by the power provided by the liquid suction pump to disinfect and clean the pipeline system, the pollution caused by the residual waste liquid in the pipeline system is prevented, and the biological safety can be ensured while the waste liquid is efficiently sucked.
Other features of the present disclosure and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention and do not constitute a limitation of the disclosure. In the drawings:
FIG. 1 is a schematic view of a biologically safe waste liquid collection and treatment system of the present disclosure in a biological waste liquid collection state;
FIG. 2 is a schematic view of the bio-safe waste collection and treatment system of the present disclosure in a pipeline disinfection state;
FIG. 3 is a schematic diagram of the configuration of the wicking component of the bio-safe waste collection and treatment system of the present disclosure;
FIG. 4 is a schematic block composition diagram of the liquid absorbing power assembly of FIG. 1;
FIGS. 5A and 5B are front and side views, respectively, of a waste collection member of the biologically safe waste collection and treatment system of the present disclosure;
fig. 6 is a schematic structural diagram of a disinfection container in the bio-safe waste liquid collection and treatment system of the present disclosure.
Detailed Description
The technical solutions in the embodiments of the present disclosure will be described clearly and completely with reference to the accompanying drawings in the disclosure, and it is to be understood that the described embodiments are only some, but not all embodiments of the disclosure. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the disclosure, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
For ease of description, spatially relative terms such as "over … …", "over … …", "over … …", "over", etc. may be used herein to describe the spatial positional relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may be otherwise variously positioned and the spatially relative descriptors used herein interpreted accordingly.
The embodiment of the present disclosure provides a biosafety waste liquid collecting and processing system, which is used for collecting and processing biosafety waste liquid, and is different from the biosafety waste liquid collecting and processing system, for example, because the biosafety waste liquid may contain viruses, in order to prevent environmental pollution, it is necessary to ensure that the viruses are eliminated during the collecting and processing process, so as to improve biosafety, which puts higher requirements on the waste liquid collecting and processing system.
In some embodiments, as shown in fig. 1 and 2, includes: a liquid absorbing component 1, a liquid absorbing power assembly 3, a waste liquid collecting container 5 and a sterilizing container 6.
Wherein the liquid absorbing component 1 is configured to absorb liquid through the first liquid inlet 11, for example, the liquid absorbing component 1 can be designed into a handle structure to be convenient for an operator to hold by hand, and a gun head can be installed below the handle structure to be convenient for extending into a container to absorb liquid.
The liquid suction power assembly 3 comprises a liquid suction pump 33, the liquid suction pump 33 having a second liquid inlet 34 and a second liquid outlet 35, the second liquid inlet 34 of the liquid suction pump 33 being connected with the first liquid outlet 12 of the liquid suction member 1 and configured to provide suction to the liquid suction member 1 to suck liquid. For example, the liquid suction pump 33 can adopt a diaphragm pump, so that the liquid can be sucked immediately after being opened, the air suction and the pressure reduction are not required to be performed first, and the continuous suction efficiency of the waste liquid is high; or the liquid suction pump 33 can adopt a peristaltic pump, the peristaltic pump comprises a pump head and a hose, the waste liquid is isolated in the hose, the waste liquid is driven to flow by the rotation of the pump head, the hose can be rapidly disassembled and replaced, and the hose can be directly taken down to be sterilized at high temperature when required to be sterilized.
The waste liquid collection container 5 is connected to the second liquid outlet 35 of the liquid suction pump 33, and is configured to collect waste liquid sucked from the virus culture container 7 through the liquid suction member 1, and the disinfection container 6 is configured to contain disinfection liquid 63. For example, the container may be in the form of a bag, cartridge, or box.
Wherein, the liquid absorbing component 1 is configured to absorb waste liquid from the virus culture container 7 to the waste liquid collecting container 5, absorb disinfectant 63 from the disinfection container 6 after absorbing the waste liquid to disinfect and clean the pipeline system, and the cleaned disinfectant 63 enters the waste liquid collecting container 5 to meet the requirement of continuous cleaning in a preset time.
The term "after the waste liquid is aspirated" as used herein means that the whole of the waste liquid in the virus culture container 7 is completely aspirated or that a part of the waste liquid is aspirated to complete the aspiration task. The piping system includes: the internal passage of the liquid absorbing member 1, the first connecting pipe 2 between the first liquid outlet 12 and the second liquid inlet 34, the second connecting pipe 4 between the second liquid outlet 35 and the waste liquid collecting container 5, and the inside of the liquid absorbing pump 33. The first connection pipe 2 and the second connection pipe 4 may be hard pipes or flexible pipes.
In the related technology, the liquid suction process is performed in a biological safety laboratory, an operator transfers virus waste liquid into a collecting bag in a biological safety cabinet through a liquid transfer device, and then the virus waste liquid is packaged in a high-temperature sterilizer for disinfection treatment, so that the treatment mode is low in efficiency and has higher requirements on the operating environment.
According to the embodiment of the disclosure, by arranging the liquid suction pump and the disinfection container, continuous power can be provided when the liquid suction component sucks the waste liquid from the virus culture container, so that the waste liquid sucking efficiency is improved; moreover, after the waste liquid is sucked, the liquid sucking pump can still provide power to suck disinfectant from the disinfection container to disinfect and clean the pipeline system, the pollution caused by residual waste liquid in the pipeline system is prevented, the biological safety can be guaranteed while the waste liquid is efficiently sucked, the requirement on the operating environment is reduced, and the operation is not required to be carried out in a biological safety cabinet in a biological safety laboratory.
In some embodiments, the waste collection container 5 is a sterile vacuum bag. Adopt the waste liquid collection bag of normally opening among the prior art, there is biological safety hidden danger, and this disclosed embodiment is through adopting sealed waste liquid collection container 5, when collecting the waste liquid, can prevent the production of aerosol to prevent the virus polluted environment in the waste liquid, also can prevent simultaneously that the antiseptic solution 63 that flows in from outwards overflowing, guarantee biological safety.
In some embodiments, as shown in fig. 5A, the waste collection container 5 is pre-filled with a sterile powder 53, the sterile powder 53 being configured to mix with incoming waste to form a non-toxic waste. When the waste liquid enters the waste liquid collecting container 5, the waste liquid is immediately mixed with the disinfection powder 53 to form nontoxic waste liquid, so that the possibility of environmental pollution caused by the waste liquid can be reduced.
In some embodiments, a sterilization indicator 521 is attached to the outer surface of the waste collection container 5, and the sterilization indicator 521 is configured to indicate the sterilization effect when the waste collection container 5 is sterilized in an autoclave. After the liquid absorption is finished, the waste liquid collecting container 5 is taken down and put into an autoclave for high-pressure sterilization, the sterilization test paper 521 can indicate the sterilization effect, and the waste liquid collecting bag is treated according to the specification after the sterilization is confirmed.
Further, as shown in fig. 5A, the waste liquid collecting bag 5 is attached with a self-adhesive label 52, which can be labeled with some experimental information and also attached with a sterilization test paper 521.
As shown in fig. 1, 2 and 5B, the waste liquid collecting bag 5 may be provided with a mounting portion 55, which may be provided on the top of the waste liquid collecting bag 5, and the waste liquid collecting bag 5 may be hung from the liquid suction power unit 3 through the mounting portion 55 when waste liquid is required to be collected.
In some embodiments, as shown in fig. 6, the disinfection container 6 is provided with an opening configured to allow the liquid absorbing member 1 to extend into the disinfecting liquid absorbing member 63, and the opening is closed by a shielding sheet 62 having a cross-shaped cut.
This embodiment seals through shielding piece 62 that has the cross incision, when not disinfecting, can prevent that antiseptic solution 63 from overflowing polluted environment in disinfection container 6, also can prevent that antiseptic solution 63 from volatilizing, when needs disinfect to pipe-line system, can directly make imbibition part 1 stretch into from the cross incision and absorb antiseptic solution 63, convenient to use.
In some embodiments, as shown in fig. 3, the portion of the liquid absorbing member 1 adjacent to the first liquid inlet 11 is a tapered section 15, and as shown in fig. 6, the top surface of the sterilization container 6 is provided with a recess 61 configured to position the liquid absorbing member 1, i.e., to recess a partial area of the top wall of the sterilization container 6 entirely inwardly. The bottom wall of the concave part 61 is provided with an opening configured to allow the liquid absorbing component 1 to extend into the disinfecting liquid 63, and the side wall of the concave part 61 on the outer surface of the disinfecting container 6 is tapered from top to bottom and is matched with the tapered section 15.
This embodiment can make the shape of imbibition part 1 bottom and recess 61 agree with, can make imbibition part 1 place steadily when absorbing antiseptic solution and wash the pipeline, is equivalent to the base, makes the antiseptic solution supply continuous and stable, improves pipe-line system disinfection cleaning performance, also need not the handheld of operator.
As shown in fig. 3, the absorbent member 1 comprises a main body portion 14 and a tapered section 15, the tapered section 15 being connected to one end of the main body portion 14, the main body portion 14 may be cylindrical, and the tapered section 15 may be conical. The handle type liquid absorbing component 1 is convenient to hold by hands and absorb liquid.
In some embodiments, as shown in fig. 6, the bottom of the disinfection container 6 is provided with a liquid injection port 64 configured to inject the disinfection liquid 63, and the liquid injection port 64 is closed by a lid 65. After the disinfectant 63 is used, the cover 65 can be opened to add the disinfectant 63.
In some embodiments, as shown in fig. 1 and 2, the bio-safe waste collection and treatment system further comprises: a first non-return valve 13, placed inside the liquid suction member 1, for example, at the first liquid outlet 12, configured to prevent the backflow of the waste liquid during the collection; and/or a second non-return valve 51 disposed in the waste liquid collecting container 5, for example, may be disposed at an inlet of the waste liquid collecting container 5, and configured to prevent waste liquid from flowing out of the waste liquid collecting container 5.
On this basis, the second liquid inlet 34 of the liquid suction pump 33 is connected to the first check valve 13, and the second liquid outlet 35 of the liquid suction pump 33 is connected to the liquid inlet of the waste liquid collecting container 5.
In some embodiments, the liquid absorbent power assembly 3 further comprises: a controller 32, the controller 32 can be a control panel, wherein the bio-safe waste liquid collection and treatment system further comprises: the first operation element 321 is disposed on the liquid absorbing component 1, for example, the first operation element 321 may be a button disposed on a side wall of the liquid absorbing component 1, and configured to send a trigger signal to the controller 32 by receiving an external operation to start the liquid absorbing pump 33 to absorb the waste liquid, and the first operation element 321 and the controller 32 are in wireless communication. For example, the first operating element 321 and the controller 32 may communicate via bluetooth, and the first operating element 321 is provided with a bluetooth transmitter.
In this embodiment, the first operation element 321 is connected to the controller 32 only through a pipeline, and is not connected through an electric wire, so that the first operation element can be disassembled to sterilize. Alternatively, the first operating member 321 can also be provided on the suction power assembly 3. As shown in fig. 5B, when the waste liquid reaches the warning line 55, the liquid suction is stopped.
In some embodiments, as shown in FIG. 4, the absorbent power assembly 3 further comprises: a controller 32, wherein the bio-safe waste liquid collection and treatment system further comprises: the second operation member 322, which may be provided on the liquid absorbing member 1 or the liquid absorbing power unit 3, is configured to send a trigger signal to the controller 32 by receiving an external operation in a state where the liquid absorbing member 1 is connected to the sterilization container 6, so as to start the liquid absorbing pump 33 to sterilize and clean the piping system. Thus, the bio-safe waste collection and treatment system has a special cleaning mode for effective virus removal in the piping system.
This embodiment can conveniently control the priming pump 33 to be turned on to disinfect and clean the piping system. The operator may operate the second operating element 322 again when it is necessary to stop the washing, or automatically stop after the liquid suction pump 33 is automatically operated for a preset time.
In some embodiments, as shown in FIG. 4, the liquid absorbent power assembly 3 further comprises: a controller 32, wherein the bio-safe waste liquid collection and treatment system further comprises: the third operating member 3231, which may be provided on the suction power unit 3, employs a button or knob, etc., and is configured to adjust the suction speed by receiving an external operation to adjust the rotation speed of the suction pump 33 after the suction pump 33 is turned on.
This embodiment can adjust the rotation speed of the liquid suction pump 33 according to the amount of waste liquid to be sucked in the virus culture vessel 7 to select a suitable rotation speed for liquid suction, and adjust the operation speed of the liquid suction pump 33 by adjusting the voltage output from the speed control plate 323 to the liquid suction pump 33 by the third operation member 3231, thereby adjusting the liquid suction speed.
Further, to power the controller 32, the pipetting power assembly 3 also includes a power source, such as a transformer power source.
The method of using the bio-safe waste liquid collecting and treating system of the present disclosure is described below with reference to fig. 1 to 6.
The operator is when using the biosafety waste liquid collection processing system of this embodiment to carry out the waste liquid and absorb, handheld imbibition part 1 is placed its first inlet 11 in virus culture container 7, press first operating element 321, imbibition pump 33 work, the waste liquid inhales from virus culture container 7, get into imbibition part 1 through first inlet 11 in, and get into in the first connecting pipe 2 from first liquid outlet 12, way imbibition pump 33, get into in the second connecting pipe 4, finally get into in the waste liquid collection container 5 through second check valve 51. The first operating element 321 is released and the suction pump 33 stops operating. During the liquid suction process, an operator can adjust the voltage output by the speed adjusting plate 323 to the liquid suction pump 33 through the third operating element 3231, so as to adjust the running speed of the liquid suction pump 33, thereby achieving the effect of adjusting the liquid suction speed. When the liquid level in the waste liquid collecting container 5 reaches the alarm line, the first operating member 321 is released, the liquid suction is stopped, and then the cleaning and disinfection are performed.
The liquid absorbing component 1 is placed in the concave part 61 of the disinfection container 6, the second operation element 322 is pressed, the liquid absorbing pump 33 works according to the set flow rate and time, and the disinfectant 63 passes through the liquid absorbing component 1 to the waste liquid collecting container 5, so that the soaking disinfection of the whole pipeline is completed. After the sterilization is finished, the second connecting pipe 4 is pulled out, the waste liquid collecting container 5 is taken down and put into an autoclave for autoclaving, the sterilization test paper is observed to observe whether the sterilization effect is achieved or not after the sterilization is finished, and if the sterilization effect is achieved, the treatment is carried out according to the regulations. If the sterilization effect is not achieved, the autoclaving should be repeated until the sterilization effect is achieved.
The biosafety waste liquid collecting and treating system of the embodiment adopts the liquid suction pump 33 to provide continuous power for the liquid suction component 1 to suck waste liquid, and the efficiency is high. And active check valves are arranged in the liquid absorbing component 1 and at the inlet of the waste liquid collecting container 5, so that the waste liquid is prevented from flowing back to the virus culture container 7 or being exposed to the environment. The waste liquid collecting container 5 is filled with disinfection powder 53 in advance, and when the waste liquid enters the waste liquid collecting container 5, the waste liquid is disinfected and inactivated. The whole system pipeline is totally closed, biological safety can be realized, the device is particularly suitable for waste liquid collection under the biological safety condition, and pollution to samples or the environment can not be caused.
Secondly, the present disclosure provides a biological waste liquid collecting and processing method based on the biological safe waste liquid collecting and processing system of the above embodiments, in some embodiments, the method includes:
step 110, starting the liquid suction pump 33 to enable the liquid suction component 1 to suck the waste liquid from the virus culture container 7 to the waste liquid collection container 5, wherein the liquid suction pump 33 can be started through a first operation element 321;
step 120, after the liquid suction is finished, the liquid suction pump 33 is stopped, and the liquid suction pump 33 can be stopped through the first operation element 321;
step 130, the liquid suction pump 33 is restarted to enable the liquid suction component 1 to suck the disinfectant 63 from the disinfection container 6 to disinfect and clean the pipeline system, and the liquid suction pump 33 can be started through the second operation element 322.
Wherein steps 110 to 130 are sequentially performed, the embodiment can provide continuous power when the waste liquid is sucked from the virus culture container by the liquid suction component, and the waste liquid sucking efficiency is improved; moreover, after the waste liquid is sucked, the disinfectant can be still sucked from the disinfection container by the power provided by the liquid suction pump to disinfect and clean the pipeline system, the pollution caused by the residual waste liquid in the pipeline system is prevented, and the biological safety can be ensured while the waste liquid is efficiently sucked.
In some embodiments, the biological waste fluid collection treatment method further comprises:
step 100, before the waste liquid is sucked, pre-filling the waste liquid collection container 5 with a sterilizing powder 53, so that the sterilizing powder 53 is mixed with the incoming waste liquid to form a non-toxic waste liquid.
Step 100 is performed before step 110. This embodiment enables mixing of the waste liquid with the sterilizing powder 53 immediately after the waste liquid enters the waste liquid collecting container 5, forming a non-toxic waste liquid, which reduces the possibility of the waste liquid polluting the environment.
In some embodiments, the biological waste fluid collection treatment method further comprises:
step 140, after the waste liquid is collected in the waste liquid collecting container 5, detaching the waste liquid collecting container 5 and placing the waste liquid collecting container in an autoclave for sterilization;
step 150, in the sterilization process, the sterilization effect is indicated by the sterilization test paper 521 attached to the outer surface of the waste liquid collection container 5;
after completion of the sterilization, the waste liquid collection container 5 is treated as specified in step 160.
Steps 140 to 160 are performed sequentially and are all performed after step 130.
The embodiment can conveniently know the sterilization effect, prevent environmental pollution and improve the biological safety.
Finally, it should be noted that: the above examples are intended only to illustrate the technical solutions of the present disclosure and not to limit them; although the present disclosure has been described in detail with reference to preferred embodiments, those of ordinary skill in the art will understand that: modifications to the specific embodiments of the disclosure or equivalent substitutions for parts of the technical features may still be made; all such modifications are intended to be included within the scope of the claims of this disclosure without departing from the spirit thereof.
Claims (14)
1. A biosafety waste liquid collection and treatment system, comprising:
a liquid absorbing member (1) configured to absorb liquid through a first liquid inlet (11);
a liquid suction power assembly (3) comprising a liquid suction pump (33), a second liquid inlet (34) of the liquid suction pump (33) being connected with the first liquid outlet (12) of the liquid suction component (1) and configured to provide suction to the liquid suction component (1) to suck liquid;
a waste liquid collection container (5) connected to the second liquid outlet (35) of the liquid suction pump (33) and configured to collect waste liquid; and
a disinfection container (6) configured to contain a disinfection liquid (63);
wherein the liquid absorbing component (1) is configured to absorb waste liquid from a virus culture container (7) to the waste liquid collecting container (5), absorb disinfectant liquid (63) from the disinfection container (6) after absorbing the waste liquid to disinfect and clean a pipeline system, and the cleaned disinfectant liquid (63) enters the waste liquid collecting container (5).
2. A bio-safe waste collection and disposal system according to claim 1, wherein said waste collection container (5) is a sterile vacuum bag.
3. The bio-safe waste collection and treatment system of claim 1, wherein the waste collection container (5) is pre-loaded with a sanitizing powder (53), the sanitizing powder (53) configured to mix with incoming waste to form a non-toxic waste.
4. The biosafety waste liquid collecting and processing system according to claim 1, wherein a sterilization test paper (521) is attached to an outer surface of the waste liquid collecting container (5), and the sterilization test paper (521) is configured to indicate a sterilization effect when the waste liquid collecting container (5) is sterilized in an autoclave after the waste liquid is collected.
5. A bio-safe waste liquid collecting and treating system according to claim 1, wherein the disinfection container (6) is provided with an opening configured to allow the liquid absorbing component (1) to extend into the absorbing disinfection liquid (63), the opening being closed by a shielding sheet (62) having a cross cut.
6. The bio-safe waste liquid collecting and treating system according to claim 1, wherein the portion of the liquid absorbing component (1) close to the first liquid inlet (11) is a tapered section (15), the top surface of the disinfection container (6) is provided with a concave portion (61) configured to position the liquid absorbing component (1), the bottom wall of the concave portion (61) is provided with an opening configured to allow the liquid absorbing component (1) to extend into a absorbing disinfection liquid (63), and the side wall of the concave portion (61) on the outer surface of the disinfection container (6) is tapered from top to bottom and matched with the tapered section (15).
7. The bio-safe waste collection and treatment system according to claim 1, wherein the bottom of the disinfection container (6) is provided with a liquid injection port (64) configured to inject a disinfection liquid (63), and the liquid injection port (64) is closed by a lid (65).
8. The bio-safe waste liquid collection and treatment system according to claim 1, further comprising:
a first non-return valve (13) arranged inside the liquid absorbing part (1) and configured to prevent the waste liquid from flowing back during the collection process; and/or
A second non-return valve (51) disposed in the waste collection container (5) configured to prevent waste liquid from flowing out of the waste collection container (5).
9. A biologically safe waste liquid collecting and treating system according to claim 1, wherein the pipetting power assembly (3) further comprises: a controller (32) in which, among other things,
the biological safety waste liquid collecting and treating system further comprises:
a first operation element (321) arranged on the liquid absorption component (1) and configured to send a trigger signal to the controller (32) by receiving external operation so as to start the liquid absorption pump (33) to absorb waste liquid, wherein the first operation element (321) and the controller (32) adopt wireless communication.
10. The bio-safe waste collection and disposal system of claim 1, wherein said pipetting power module (3) further comprises: a controller (32) in which, among other things,
the biological safety waste liquid collecting and treating system further comprises:
a second operation element (322) which is configured to send a trigger signal to the controller (32) by receiving external operation in a state that the liquid suction component (1) is connected with the disinfection container (6) so as to start the liquid suction pump (33) to disinfect and clean the pipeline system.
11. The bio-safe waste collection and disposal system of claim 1, wherein said pipetting power module (3) further comprises: a controller (32) in which, among other things,
the biosafety waste liquid collecting and treating system further comprises:
a third operation element (3231) configured to adjust a suction speed by adjusting a rotation speed of the suction pump (33) by receiving an external operation after the suction pump (33) is turned on.
12. A method for collecting and treating biological waste liquid based on the biologically safe waste liquid collecting and treating system according to any one of claims 1 to 11, comprising:
starting the liquid suction pump (33) to enable the liquid suction component (1) to suck waste liquid from the virus culture container (7) to the waste liquid collecting container (5);
stopping the liquid suction pump (33) after the liquid suction is finished;
and (3) reopening the liquid absorbing component (1) to enable the liquid absorbing component (1) to absorb disinfectant (63) from the disinfection container (6) to disinfect and clean the pipeline system.
13. The method of claim 12, further comprising:
pre-loading the waste collection container (5) with a sterilising powder (53) prior to waste extraction, such that the sterilising powder (53) mixes with incoming waste to form a non-toxic waste.
14. The method of claim 12, further comprising:
after the waste liquid in the waste liquid collecting container (5) is collected, the waste liquid collecting container (5) is disassembled and placed in an autoclave for sterilization;
in the sterilization process, the sterilization effect is indicated by a sterilization test paper (521) attached to the outer surface of the waste liquid collecting container (5);
after completion of sterilization, the waste liquid collection container (5) is treated as specified.
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| CN202110583880.XA CN115403120A (en) | 2021-05-27 | 2021-05-27 | Biological safety waste liquid collecting and treating system and method |
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