CN111632186A - Sterilizing water tank for medical waste treatment and sterilizing method - Google Patents

Sterilizing water tank for medical waste treatment and sterilizing method Download PDF

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Publication number
CN111632186A
CN111632186A CN202010336305.5A CN202010336305A CN111632186A CN 111632186 A CN111632186 A CN 111632186A CN 202010336305 A CN202010336305 A CN 202010336305A CN 111632186 A CN111632186 A CN 111632186A
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China
Prior art keywords
liquid
disinfection
bin
liquid return
water
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CN202010336305.5A
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CN111632186B (en
Inventor
张雷
贺伟文
吴光浩
高翔
李杰聪
陈林山
傅羽
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Guangzhou 3E Machinery Co Ltd
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Guangzhou 3E Machinery Co Ltd
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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
    • A61L11/00—Methods specially adapted for refuse
    • 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
    • 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
    • A61L2/24—Apparatus using programmed or automatic operation
    • 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
    • A61L2/26—Accessories or devices or components used for biocidal treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D36/00—Filter circuits or combinations of filters with other separating devices
    • B01D36/02—Combinations of filters of different kinds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/40—Mixing liquids with liquids; Emulsifying
    • B01F23/43—Mixing liquids with liquids; Emulsifying using driven stirrers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/40—Mixing liquids with liquids; Emulsifying
    • B01F23/48—Mixing liquids with liquids; Emulsifying characterised by the nature of the liquids
    • B01F23/483—Mixing liquids with liquids; Emulsifying characterised by the nature of the liquids using water for diluting a liquid ingredient, obtaining a predetermined concentration or making an aqueous solution of a concentrate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/20—Measuring; Control or regulation
    • B01F35/21—Measuring
    • B01F35/211—Measuring of the operational parameters
    • B01F35/2112—Level of material in a container or the position or shape of the upper surface of the material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/20—Measuring; Control or regulation
    • B01F35/21—Measuring
    • B01F35/2132—Concentration, pH, pOH, p(ION) or oxygen-demand
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/80—Forming a predetermined ratio of the substances to be mixed
    • B01F35/82—Forming a predetermined ratio of the substances to be mixed by adding a material to be mixed to a mixture in response to a detected feature, e.g. density, radioactivity, consumed power or colour
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/80—Forming a predetermined ratio of the substances to be mixed
    • B01F35/83—Forming a predetermined ratio of the substances to be mixed by controlling the ratio of two or more flows, e.g. using flow sensing or flow controlling devices
    • 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
    • A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
    • A61L2202/10—Apparatus features
    • A61L2202/14—Means for controlling sterilisation processes, data processing, presentation and storage means, e.g. sensors, controllers, programs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/48—Mixing water in water-taps with other ingredients, e.g. air, detergents or disinfectants

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  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • General Chemical & Material Sciences (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The invention provides a disinfection water tank for medical waste treatment and a disinfection method, and relates to the field of disinfection water tanks. The disinfection water tank for medical waste treatment comprises a tank body, wherein a liquid supply bin and a liquid return bin are arranged inside the tank body, a filtering structure is arranged between the liquid supply bin and the liquid return bin, and a stirring structure, a liquid level meter and a concentration meter are arranged in the liquid supply bin; the disinfection water tank also comprises a control main board, the control main board is respectively and electrically connected with the stirring structure, the liquid level meter and the concentration meter, and the control main board reads detection values of the liquid level meter and the concentration meter to calculate the supplement amount of the disinfection stock solution or water; the box body is provided with a water injection port, a liquid injection port and a liquid supply port which are communicated with the liquid supply bin, and a liquid return port which is communicated with the liquid return bin, the liquid return port is connected with a liquid return pipeline, and the box body is also provided with a discharge pipeline communicated with the liquid return bin. The required supplement amount of the disinfection stock solution or water is calculated according to the change of the concentration value of the disinfection component, so that the concentration value of the disinfection component is always maintained at a set value when liquid is supplied, and the problem of waste of a large amount of disinfection water is avoided.

Description

Sterilizing water tank for medical waste treatment and sterilizing method
Technical Field
The invention relates to the technical field of disinfection water tanks, in particular to a disinfection water tank for medical waste treatment and a disinfection method.
Background
In the harmless treatment process of medical waste, the key of the technology lies in whether effective disinfection can be carried out, and generally, disinfectant water is used for killing and treating germs carried by waste crushed aggregates.
If the grant bulletin number is CN207221050U, the chinese utility model patent that the grant bulletin day is 2018.04.13 discloses a medication dosing device for disinfection operation, and specifically disclose medication dosing device including dissolving medical kit and base, the base is located the bottom of dissolving the medical kit, it is equipped with the mixer to dissolve the medical kit top outside, the one end of advancing the pencil runs through the top of dissolving the medical kit, the other end of advancing the pencil is equipped with the measurement spiral, the measurement spiral has the motor through the coupling joint, it has the motor to dissolve on one side outer wall of medical kit, the top of level gauge is equipped with the inlet tube, be equipped with the measuring pump on the inlet channel of inlet tube, be equipped with the outlet pipe on the lateral wall of dissolving the medical kit relative with the inlet tube, be. The dosage and the dosing concentration can be accurately controlled by the metering screw, the metering pump and the flowmeter.
The dosing device for disinfection operation in the prior art can meter and prepare disinfection water, but in the actual use process, the waste liquid after disinfection treatment is often directly discharged, wherein the discharged waste liquid contains partial disinfection components and is not completely utilized, so that the waste of a large amount of disinfection water is caused, and the disinfection treatment cost is increased.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide a disinfection tank for medical waste treatment, so as to solve the problems that a large amount of disinfection water is wasted and disinfection cost is increased because a part of disinfection components contained in waste liquid discharged after disinfection treatment is not completely utilized. Meanwhile, the invention also aims to provide a disinfection method for medical waste treatment.
The technical scheme of the disinfection water tank for medical waste treatment of the invention is as follows:
the disinfection water tank for medical waste treatment comprises a tank body, wherein a liquid supply bin and a liquid return bin are arranged inside the tank body, a filtering structure is arranged between the liquid supply bin and the liquid return bin, and a stirring structure, a liquid level meter and a concentration meter are arranged in the liquid supply bin; the disinfection water tank also comprises a control main board, the control main board is respectively and electrically connected with the stirring structure, the liquid level meter and the concentration meter, and the control main board is used for reading detection values of the liquid level meter and the concentration meter so as to calculate the supplement amount of the needed disinfection stock solution or water;
the liquid feeding device is characterized in that the box body is provided with a water injection port, a liquid injection port and a liquid supply port which are communicated with each other, and a liquid return port which is communicated with the liquid return bin, the liquid return port is connected with a liquid return pipeline used for returning disinfection waste liquid, and the box body is further provided with a discharge pipeline communicated with the liquid return bin.
Has the advantages that: after the medical waste disinfection mechanism carries out sterilization and disinfection treatment, the disinfection waste liquid is separated from waste particles and circulates to a liquid return bin of a disinfection water tank through a liquid return pipeline, a filtering structure is arranged between the liquid return bin and a liquid supply bin, impurities contained in the disinfection waste liquid are filtered at one side of the liquid return bin, water and disinfection components enter the liquid supply bin again, the concentration of the disinfection components in the liquid supply bin changes along with the backflow of the disinfection waste liquid, the concentration value of the disinfection components in the liquid supply bin is detected in real time through a concentration meter, the volume of disinfectant in the liquid supply bin is detected in real time through a liquid level meter, a control main board reads detection values of the liquid level meter and the concentration meter to calculate the supplement amount of needed disinfection raw liquid or water, so that the concentration value of the disinfection components in the liquid supply process is always maintained at a set value, and stable disinfection effect is still remained when the disinfection water enters the medical waste disinfection mechanism again, the waste liquid discharged after disinfection contains partial disinfection components, so that the problem of waste of a large amount of disinfection water is avoided, and the cost of disinfection treatment is effectively controlled.
Furthermore, a partition plate is further arranged in the liquid return bin, a first liquid return bin and a second liquid return bin which are communicated with each other are formed on two sides of the partition plate respectively, the second liquid return bin is arranged between the first liquid return bin and the liquid supply bin, and the liquid return port is arranged at a position corresponding to the first liquid return bin.
Further, the bottom of the first liquid return bin is provided with a first discharge port, the bottom of the second liquid return bin is provided with a second discharge port, a communicating pipeline is connected between the first discharge port and the second discharge port, and the communicating pipeline is further provided with the discharge pipeline.
Furthermore, the upper part of the box body corresponding to the first liquid return bin is also provided with an overflow outlet, and an overflow pipeline is connected between the overflow outlet and the discharge pipeline.
Furthermore, the discharge pipeline is also connected with an electromagnetic valve in series at the upstream position of the overflow pipeline.
Furthermore, the filtering structure comprises a filtering screen and a screen frame, the filtering screen is fixed in the screen frame, and the filtering screen is also provided with filtering cotton.
Furthermore, the box body is provided with an access window corresponding to the upper side of the liquid return bin, and an access door plate is installed at the access window.
Further, the water injection port, the liquid injection port and the liquid supply port are arranged at one side position far away from the liquid return port.
Further, the concentration meter is a PH meter, the PH meter is arranged in a sealed penetrating mode on the side wall of the liquid return port far away from the box body, and the liquid level meter is vertically arranged at the position, far away from the liquid return port, of the liquid supply bin.
The technical scheme of the disinfection method for medical waste treatment comprises the following steps:
the disinfection method for medical waste treatment comprises the following steps:
preparing disinfectant fluid with corresponding volume and concentration according to the type and weight of medical waste;
supplying the proportioned sterile water to a medical garbage disinfection mechanism, mixing the sterile water with medical garbage, and separating the sterilized waste liquid from garbage crushed materials after sterilization treatment;
thirdly, the disinfection waste liquid flows back to a liquid return bin of the disinfection water tank, and the disinfection waste liquid enters the liquid supply bin again after filtration and impurity removal;
and step four, supplementing the disinfection stock solution or water into the liquid supply bin according to the concentration and volume change of the disinfection water in the disinfection water tank so as to keep the mixed disinfection water at a set concentration value all the time.
Has the advantages that: after the medical waste disinfection mechanism carries out sterilization and disinfection treatment, the disinfection waste liquid is separated from waste particles and circulates to a liquid return bin of a disinfection water tank through a liquid return pipeline, a filtering structure is arranged between the liquid return bin and a liquid supply bin, impurities contained in the disinfection waste liquid are filtered at one side of the liquid return bin, water and disinfection components enter the liquid supply bin again, the concentration of the disinfection components in the liquid supply bin changes along with the backflow of the disinfection waste liquid, the concentration value of the disinfection components in the liquid supply bin is detected in real time through a concentration meter, the volume of disinfectant in the liquid supply bin is detected in real time through a liquid level meter, a control main board reads detection values of the liquid level meter and the concentration meter to calculate the supplement amount of needed disinfection raw liquid or water, so that the concentration value of the disinfection components in the liquid supply process is always maintained at a set value, and stable disinfection effect is still remained when the disinfection water enters the medical waste disinfection mechanism again, the waste liquid discharged after disinfection contains partial disinfection components, so that the problem of waste of a large amount of disinfection water is avoided, and the cost of disinfection treatment is effectively controlled.
Drawings
FIG. 1 is a schematic front view of a sterilizing water tank according to an embodiment 1 of the present invention;
FIG. 2 is a schematic top view of a sterilizing water tank according to embodiment 1 of the present invention;
FIG. 3 is a schematic view showing an internal structure of the sterilizing water tank of FIG. 2;
FIG. 4 is a schematic left side view of a sterilizing water tank in accordance with embodiment 1 of the present invention;
FIG. 5 is a schematic front view of a filter structure (filter cotton is omitted) in the sterilizing water tank for medical waste disposal according to embodiment 1 of the present invention;
fig. 6 is a schematic sectional view of a mounting seat in embodiment 1 of the sterilizing water tank for medical waste disposal of the present invention.
In the figure: 1. a box body; 10. a liquid supply bin; 101. a water injection port; 102. a liquid injection port; 103. a liquid supply port; 11. a first liquid return bin; 110. a liquid return port; 111. a first discharge port; 112. an overflow outlet; 12. a first liquid return bin; 121. a second discharge port; 13. a filter structure; 130. filtering the screen; 131. a screen frame; 14. a partition plate; 15. a communicating pipeline; 16. an overflow line; 17. a discharge line; 18. an electromagnetic valve; 2. a stirring structure; 20. a stirring motor; 3. a liquid level meter; 4. a pH meter; 41. a mounting seat; 42. installing an inclined hole; 5. an access door panel.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the specific embodiment 1 of the disinfection water tank for medical waste treatment of the present invention, as shown in fig. 1 to 6, the disinfection water tank for medical waste treatment comprises a tank body 1, a liquid supply bin 10 and a liquid return bin are arranged inside the tank body 1, a filtering structure 13 is arranged between the liquid supply bin 10 and the liquid return bin, and a stirring structure 2, a liquid level meter 3 and a concentration meter are installed in the liquid supply bin; in this embodiment, the disinfection water tank still includes the control mainboard, and the control mainboard is connected with stirring structure 2, level gauge 3, concentration meter electricity respectively, and the control mainboard is used for reading the detected value of level gauge 3 and concentration meter to calculate the replenishment volume of required disinfection stoste or water. The box body 1 is provided with a water injection port 101, a liquid injection port 102 and a liquid supply port 103 which are communicated with the liquid supply bin 10, and a liquid return port 110 which is communicated with the liquid return bin, the liquid return port 110 is connected with a liquid return pipeline for returning disinfection waste liquid, and the box body 1 is also provided with a discharge pipeline 17 which is communicated with the liquid return bin.
After the medical waste disinfection mechanism carries out sterilization and disinfection treatment, the disinfection waste liquid is separated from waste crushed aggregates and circulates to a liquid return bin of a disinfection water tank through a liquid return pipeline, a filtering structure is arranged between the liquid return bin and a liquid supply bin, impurities contained in the disinfection waste liquid are filtered at one side of the liquid return bin, water and disinfection components enter the liquid supply bin again, the concentration of the disinfection components in the liquid supply bin changes along with the backflow of the disinfection waste liquid, the concentration value of the disinfection components in the liquid supply bin is detected in real time through a concentration meter, a main board is controlled to calculate the supplement amount of needed disinfection raw liquid or water according to the detection values of a liquid level meter 3 and the concentration meter, so that the concentration value of the disinfection components in the liquid supply process is always maintained at a set value, the disinfection water still has stable disinfection efficacy when entering the medical waste disinfection mechanism again, and partial disinfection components contained in the discharged waste liquid after disinfection are completely utilized, the problem of causing a large amount of disinfectant waste is avoided, and the cost of disinfection treatment is effectively controlled.
A liquid supply bin 10 is arranged in the box body 1 to store and stir clean sterile water, wherein the sterile water is prepared by purified water and acid disinfection stock solution according to a set proportion, and the volume and the concentration of the required sterile water can be actually determined according to the type and the weight of medical waste. The purified water enters the liquid supply bin 10 through the water injection port 101, the acidic disinfection stock solution enters the liquid supply bin 10 through the liquid injection port 102, the stirring structure 2 is started to work simultaneously in the injection process, and the purified water and the acidic disinfection stock solution are uniformly mixed. In the process, the volume of the sterilized water is detected in real time by means of the liquid level meter 3, and whether the concentration value of the sterilizing component of the sterilized water is in a required value or not is detected in real time by the concentration meter, in the embodiment, the concentration meter is specifically the pH meter 4, the pH value of the sterilized water is related to the concentration of the acidic sterilizing component in the sterilized water, so that the concentration of the prepared sterilized water is determined according to the pH value.
If the pH value is obviously higher, the concentration of the acid disinfection component is low, and the supply amount of the acid disinfection stock solution needs to be properly increased, and correspondingly, if the pH value is obviously lower, the concentration of the acid disinfection component is high, the supply amount of the acid disinfection stock solution needs to be properly reduced, and the required concentration of the disinfection water is ensured. The prepared disinfectant fluid is pumped out through the fluid supply port 103 by the fluid supply pump and then is pumped into the corresponding garbage disinfection mechanism, and the disinfectant fluid has the sterilization and disinfection effects on the medical garbage, so that the biological safety hazard of the medical garbage is reduced. The sterilized water is changed into the sterilized waste liquid after being treated, the sterilized waste liquid still contains effective sterilized components, and the sterilized stock solution is separated from the medical waste and then fully flows back to the liquid return bin, so that the recycling of the sterilized water is realized. The filtering structure 13 is arranged between the liquid supply bin 10 and the liquid return bin, so that impurity components in the disinfection waste liquid can be effectively removed, and the cleanness degree of the disinfection water entering the liquid supply bin 10 again is ensured.
In order to improve the impurity removal effect on the sterilized waste liquid, a partition plate 14 is further arranged in the liquid return bin, a first liquid return bin 11 and a second liquid return bin 12 are respectively formed on two sides of the partition plate 14, the second liquid return bin 12 is arranged between the first liquid return bin 11 and the liquid supply bin 10, and a communication pipeline 15 is arranged between the first liquid return bin 11 and the second liquid return bin 12. The disinfection waste liquid of retrieving gets into first liquid return storehouse 11 earlier through returning liquid mouth 110, makes the disinfection waste liquid obtain the buffering in first liquid return storehouse 11, and impurity in the disinfection waste liquid can preliminary separation, avoids the disinfection waste liquid that contains a large amount of impurity directly to pass through filtration 13, and arouses filtration 13 the problem of frequent jam appears. After the buffering and the preliminary separation of the first liquid returning bin 11, the disinfection waste liquid enters the second liquid returning bin 12 through the communicating pipeline 15, then the impurities are effectively removed through the filtering structure 13, the filtered disinfection waste liquid enters the liquid supply bin 10 and is mixed with clean disinfection water, the concentration is kept stable by supplementing acid disinfection stock solution or water, the stability of the sterilization efficacy of the disinfection water is ensured, and then the disinfection waste liquid returns to the garbage disinfection mechanism again to sterilize and disinfect medical garbage.
A first discharge port 111 is provided at the bottom of the first return liquid tank 11, a second discharge port 121 is provided at the bottom of the second return liquid tank 12, a communication pipe 15 is connected between the first discharge port 111 and the second discharge port 121, and a discharge pipe 17 is connected to the communication pipe 15. Set up communicating pipe way 15 in the bottom of first liquid storehouse 11 and second liquid storehouse 12 of returning, make the disinfection waste liquid obtain abundant buffering in first liquid storehouse 11 of returning, avoid because of stirring the disinfection waste liquid in the first liquid storehouse 11 of transition disturbance in the liquid storehouse 10 of supplying, ensure that the disinfection waste liquid flows into in second liquid storehouse 12 steadily. And, the discharge line 17 is connected on the communicating line 15, when there are too much impurity in the liquid return storehouse, can open the discharge line 17 and discharge impurity, waste liquid of disinfecting and supplying the sterilized water in the liquid storehouse 10 completely in the liquid return storehouse, then pour into the clean water and wash and discharge again, can realize the thorough clearance to the whole container body.
In order to avoid recovering excessive disinfection waste liquid into the box body 1, an overflow outlet 110 is further arranged at the upper part of the box body 1 corresponding to the first liquid return bin 11, and an overflow pipeline 16 is connected between the overflow outlet 110 and the discharge pipeline 17. When the volume of the box body 1 is not enough to contain more disinfection waste liquid, the disinfection waste liquid directly enters the subsequent discharge pipeline 17 through the overflow outlet 110 and the overflow pipeline 16, so that the problem that the disinfection waste liquid seeps out of the box body 1 is avoided. In addition, the discharge pipeline 17 is also connected in series with an electromagnetic valve 18 at the upstream position of the overflow pipeline 16, and under the condition of recovery, the electromagnetic valve 18 is closed to enable the disinfection waste liquid to flow into the second liquid return bin 12, so that the normal cyclic utilization of the disinfection waste liquid is realized; when cleaning is required, the electromagnetic valve 18 is opened to discharge the disinfection waste liquid and the disinfection water carrying impurities out of the box body 1.
The filtering structure 13 includes a filtering screen 130 and a screen frame 131, the filtering screen 130 is fixed in the screen frame 131, and the filtering screen 130 is further provided with filter cotton (not shown). Specifically, filter screen 130 is 24 mesh stainless steel screen cloth, can effectively filter solid impurity, and filter screen 130 spot welding is fixed in screen cloth frame 131, and the filter pulp covers the surface that sets up at filter screen 130, has further improved filtration edulcoration effect of filtration 13. It should be noted that a baffle structure is arranged in the box body 1 between the second liquid return bin 12 and the liquid supply bin 10, an accommodating groove matched with the filtering structure 13 is arranged in the middle of the baffle structure, an inserting flange is arranged at the edge of the accommodating groove, the filtering structure 13 is inserted and installed in the accommodating groove, and the screen frame 131 is in stop fit with the inserting flange, so that the purpose of regularly replacing and cleaning the filtering screen 130 is achieved.
An access window is arranged on the box body 1 corresponding to the upper side of the liquid return bin, an access door panel 5 is installed at the position of the access window, and the access window can be opened by detaching the access door panel 5 so as to take out the filtering structure 13 in the liquid return bin. In addition, the water injection port 101, the liquid injection port 102 and the liquid supply port 103 are arranged at a position far away from the liquid return port 110, so that the circulation distance of the disinfection waste liquid in the box body 1 is prolonged as much as possible, the disinfection waste liquid is fully mixed with clean disinfection water, and possible harmful components in the disinfection waste liquid are diluted and relieved to the greatest extent.
And, in order to ensure when recycling the disinfection waste liquid, be unlikely to influence the efficiency of disinfecting of the disinfection water in whole confession liquid storehouse 10, disinfection water tank still includes the control mainboard, the control mainboard is connected with stirring structure 2, level gauge 3, PH meter 4 electricity respectively, level gauge 3 is vertical to be set up in the position that supplies liquid storehouse 10 to keep away from liquid return port 110, level gauge 3 specifically is magnetic float ball level transmitter, utilizes the floater to cause current variation along with the liquid level lift to obtain the liquid level numerical value of disinfection water in the box 10. Wherein, PH meter 4 seals to wear to establish on the lateral wall of keeping away from liquid return port 110 of box 1 to the outside of box 1 is provided with mount pad 41, runs through in the mount pad 41 and is provided with the oblique installation hole 42 that the slant extends, and PH meter 4 seals to wear to adorn in the installation hole 42 of mount pad 41, and PH meter 4's electrode submerges below the liquid level of sterile water, thereby carries out the PH change of real-time detection sterile water.
The disinfection method for medical waste treatment comprises the following steps:
preparing sterilized water with corresponding volume and concentration in a liquid supply bin 10 of a sterilized water tank according to the type and weight of medical waste;
supplying the proportioned disinfectant fluid to a medical waste disinfection mechanism through a fluid supply port 103, mixing the disinfectant fluid with the medical waste, and separating the disinfected waste fluid from waste crushed materials after the disinfection treatment;
step three, after separation, the disinfection waste liquid flows back to a liquid return bin of the disinfection water tank, and enters the liquid supply bin 10 again after buffer separation of the first liquid return bin 11 and filtration and impurity removal of the second liquid return bin 12;
and step four, because the disinfection waste liquid is mixed into the disinfection water with good original proportion, the concentration and the volume of the disinfection water are changed, according to the change of the concentration and the volume of the disinfection water in the disinfection water tank, the control main board calculates the supplement amount of the disinfection stock solution or the water required in the liquid supply bin 10, and quantitatively supplements the disinfection stock solution or the water to the liquid supply bin 10, so that the mixed disinfection water is always kept at a set concentration value, thereby ensuring that the sterilization effect of the disinfection water in the whole liquid supply bin 10 is not influenced when the disinfection waste liquid is recycled, realizing the efficient utilization of the disinfection water and saving the cost of disinfection treatment. It should be noted that the procedure of supplementing the disinfection original liquid or water can be completed by manual operation, that is, the worker quantitatively injects the disinfection original liquid or water with a corresponding volume into the liquid supply bin 10 according to the disinfection original liquid supplementing amount or water supplementing amount calculated by the control main board.
In order to improve the automation degree of the whole disinfection water tank, the water injection pump can be installed at the water injection port, the liquid injection pump is installed at the liquid injection port, the control main board is respectively and electrically connected with the water injection pump and the liquid injection pump, after the disinfection stock solution or the water supplement amount is calculated by the control main board, the control main board respectively sends control signals to the water injection pump and the liquid injection pump, the water injection pump and the liquid injection pump are controlled to start, and the disinfection stock solution or the water is respectively and quantitatively injected into the liquid supply bin, so that the disinfection water in the liquid supply bin is always kept at a set concentration value, and the disinfection water is ensured to have stable disinfection efficacy.
In order to adapt to different use requirements, the concentration meter is not limited to the PH meter in embodiment 1, but a tuning fork type concentration meter can also be used for monitoring the concentration value of the disinfection component in real time, the tuning fork type concentration meter comprises a tuning fork part and a piezoelectric induction part which are immersed in the disinfection water, the change of the concentration of the disinfection water causes the change of the detected vibration frequency, and the signal is amplified by a circuit to obtain an electric signal corresponding to the concentration, wherein the specific model can be a GB-CMR model. In other embodiments, the concentration meter may be an optical concentration meter or an ultrasonic concentration meter, and the change of the concentration of the disinfection component in the disinfection water can be detected in real time.
The specific embodiment of the disinfection method for medical waste disposal of the present invention is the same as the specific embodiment of the disinfection method for medical waste disposal of the specific embodiment of the disinfection water tank for medical waste disposal of the present invention, and is not described herein again.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims (10)

1. A disinfection water tank for medical waste treatment is characterized by comprising a tank body, wherein a liquid supply bin and a liquid return bin are arranged inside the tank body, a filtering structure is arranged between the liquid supply bin and the liquid return bin, and a stirring structure, a liquid level meter and a concentration meter are arranged in the liquid supply bin; the disinfection water tank also comprises a control main board, the control main board is respectively and electrically connected with the stirring structure, the liquid level meter and the concentration meter, and the control main board is used for reading detection values of the liquid level meter and the concentration meter so as to calculate the supplement amount of the needed disinfection stock solution or water;
the liquid feeding device is characterized in that the box body is provided with a water injection port, a liquid injection port and a liquid supply port which are communicated with each other, and a liquid return port which is communicated with the liquid return bin, the liquid return port is connected with a liquid return pipeline used for returning disinfection waste liquid, and the box body is further provided with a discharge pipeline communicated with the liquid return bin.
2. The medical waste disposal sterilizing water tank as claimed in claim 1, wherein a partition plate is further provided in said liquid return chamber, a first liquid return chamber and a second liquid return chamber are formed on both sides of said partition plate, respectively, and said second liquid return chamber is interposed between said first liquid return chamber and said liquid supply chamber, and said liquid return port is provided at a position corresponding to said first liquid return chamber.
3. The medical waste disposal sterilizing water tank as claimed in claim 2, wherein a first discharge port is provided at the bottom of said first liquid returning chamber, a second discharge port is provided at the bottom of said second liquid returning chamber, a communication pipe is connected between said first discharge port and said second discharge port, and said discharge pipe is further provided on said communication pipe.
4. The medical waste disposal sterilizing water tank as set forth in claim 3, wherein an overflow port is further provided at an upper portion of said tank body corresponding to said first fluid returning chamber, and an overflow pipe is connected between said overflow port and said discharge pipe.
5. The medical waste disposal disinfectant tank as set forth in claim 4, wherein said discharge line is further connected in series with a solenoid valve at a position upstream of said overflow line.
6. The medical waste disposal disinfectant tank according to claim 1, wherein said filtering structure comprises a filtering screen and a screen frame, said filtering screen is fixed in said screen frame, said filtering screen is further provided with filtering cotton.
7. The medical waste disposal sterilizing water tank as claimed in claim 1, wherein said tank body is provided with an access window corresponding to an upper side of said liquid returning chamber, and said access window is provided with an access door panel.
8. The medical waste disposal disinfectant tank according to claim 1, wherein said water inlet, said liquid inlet and said liquid supply port are disposed at positions on a side remote from said liquid return port.
9. The medical waste disposal sterilizing water tank as claimed in claim 1, wherein said concentration meter is a PH meter, said PH meter is sealingly installed through a side wall of said tank body away from said liquid return port, and said liquid level meter is vertically installed at a position of said liquid supply bin away from said liquid return port.
10. A disinfection method for medical waste treatment is characterized by comprising the following steps:
preparing disinfectant fluid with corresponding volume and concentration according to the type and weight of medical waste;
supplying the proportioned sterile water to a medical garbage disinfection mechanism, mixing the sterile water with medical garbage, and separating the sterilized waste liquid from garbage crushed materials after sterilization treatment;
thirdly, the disinfection waste liquid flows back to a liquid return bin of the disinfection water tank, and the disinfection waste liquid enters the liquid supply bin again after filtration and impurity removal;
and step four, supplementing the disinfection stock solution or water into the liquid supply bin according to the concentration and volume change of the disinfection water in the disinfection water tank so as to keep the mixed disinfection water at a set concentration value all the time.
CN202010336305.5A 2020-04-24 2020-04-24 Disinfection water tank for medical waste treatment and disinfection method Active CN111632186B (en)

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