CN110713283A - Medical wastewater multi-stage treatment process - Google Patents
Medical wastewater multi-stage treatment process Download PDFInfo
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- CN110713283A CN110713283A CN201910968367.5A CN201910968367A CN110713283A CN 110713283 A CN110713283 A CN 110713283A CN 201910968367 A CN201910968367 A CN 201910968367A CN 110713283 A CN110713283 A CN 110713283A
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- floating body
- dosing device
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
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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
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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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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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
- C02F2001/007—Processes including a sedimentation step
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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
- 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
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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
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
Abstract
The invention belongs to the technical field of wastewater treatment, and particularly relates to a medical wastewater multi-stage treatment process.A chemical dosing device used in the process comprises a floating body, wherein the floating body is of a circular cavity structure, a storage battery and a controller are arranged in the floating body, the controller is used for controlling the chemical dosing device to work, two driving motors are arranged on the side wall of the floating body, an installation block is fixed at the output shaft end of each driving motor, and rectangular plates are uniformly distributed on the side wall of each installation block along the circumferential direction of the installation block; according to the invention, the pressing plate and the rectangular plate are arranged, the dosing device floats on the water surface through the floating body, the driving motor is utilized to drive the rectangular plate to rotate, the rectangular plate slides to drive the dosing device to move, the falling water purification treatment pills are extruded through the movement of the pressing plate, and the medicament in the water purification treatment pills is extruded from the capsule, so that the medicament is more quickly dissolved in sewage, and the reaction speed is improved.
Description
Technical Field
The invention belongs to the technical field of wastewater treatment, and particularly relates to a multistage treatment process for medical wastewater.
Background
The medical sewage is mainly sewage discharged from diagnosis and treatment rooms, laboratory rooms, ward rooms, laundry rooms, X-ray photography rooms, operating rooms and the like of hospitals, and the source and the components of the sewage are very complex. Hospital sewage contains a large amount of pathogenic bacteria, viruses and chemical agents and has the characteristics of space pollution, acute infection and latent infection.
In the medical wastewater treatment, the sewage needs to be sterilized, and the sewage and the disinfectant are kept in a certain contact residence time in a disinfection tank, so that the disinfectant can effectively kill bacteria in water, and then the effluent is discharged to a municipal pipe network.
Disclosure of Invention
In order to make up for the defects of the prior art, the dosing device used in the multi-stage treatment process for the medical wastewater provided by the invention floats on the water surface through the floating body, the rectangular plate is driven to rotate by the driving motor, the rectangular plate scratches water to drive the dosing device to move, the falling water purification treatment pill is extruded through the movement of the pressing plate, and the medicament in the water purification treatment pill is extruded from the capsule, so that the medicament is dissolved in the wastewater more quickly, and the reaction speed is improved.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a medical wastewater multistage treatment process, which comprises the following steps:
s1: discharging sewage into a primary sedimentation tank, wherein a grid is arranged at an inlet of the primary sedimentation tank and used for intercepting coarse suspended matters to protect a subsequent treatment unit;
s2: discharging the sewage primarily precipitated in the step S1 to an adjusting tank, wherein the adjusting tank is used for stabilizing the quality and quantity of the sewage and adjusting the PH of the sewage;
s3: discharging the regulated sewage in the step S2 to a secondary sedimentation tank for removing suspended pollutants in the sewage, reducing the interference of the suspended matters on the disinfectant and saving the dosage of the disinfectant;
s4: discharging the upper clear liquid in the secondary sedimentation tank in the S3 into a disinfection tank, and throwing the water purification treatment pills into the disinfection tank by using a medicine feeding device, wherein the medicine feeding device moves on the water surface of the secondary sedimentation tank, so that the water purification treatment pills are more uniformly thrown, and meanwhile, the water purification treatment pills are more quickly dissolved in water and are used for disinfecting and sterilizing sewage;
preferably, the water purification treatment pill is prepared by the following process steps:
a1: the water purifying pill comprises a capsule, the capsule is prepared, and cross-shaped cuts are cut at two ends of the prepared capsule;
a2: the preparation method comprises the steps of preparing the medicament, wherein the medicament is made of environment-friendly and degradable materials, so that the medicament cannot pollute sewage on one hand, and the medicament cannot be degraded to form new pollutants on the other hand, so that a new problem is caused, and then the medicament is filled in the capsule prepared from A1, so that the sufficient content of the medicament is ensured;
a3: cooling the notches at the two ends of the capsule filled with the medicament in the A2 by using liquid nitrogen, so that the notches at the two ends of the capsule are shrunk and attached to avoid the overflow of the medicament;
preferably, the capsule is made of water-soluble hydroxypropyl methylcellulose (HPMC), so that the capsule is dissolved in water after entering the water, and in operation, the capsule needs to be dissolved in water after entering the water, so that the effective time of the water purification treatment pill is prolonged, the treatment time of sewage is prolonged, and the sewage treatment efficiency is reduced.
Preferably, the capsule includes two empty capsules, the capsule is formed by two empty capsules concatenation, the capsule middle part is equipped with inclosed gaseous cavity, when the capsule receives the extrusion, the separation of medicament and capsule is helped to the air in the gaseous cavity, in operation, the capsule dissolves in water also needs certain time, can prolong the time of taking effect of water purification treatment pill drug effect equally, when extruding the capsule, the gaseous cavity in the capsule receives the oppression, make the air in the gaseous cavity remove to the both ends of gasbag, the medicament in the gaseous cavity extrusion capsule, thereby make the medicament extruded from the both ends of capsule, the medicament of being extruded falls into aquatic, thereby make the medicament in the capsule dissolve in water fast, the sewage treatment efficiency of water purification treatment pill has been improved.
Preferably, the chemical dosing device used in S4 includes a floating body, the floating body is a circular cavity structure, a storage battery and a controller are arranged in the floating body, the controller is used for controlling the chemical dosing device to work, two driving motors are arranged on the side wall of the floating body, an installation block is fixed at the output shaft end of the driving motor, rectangular plates are evenly distributed on the side wall of the installation block along the circumferential direction of the installation block, the rectangular plates are used for paddling to move the chemical dosing device, a cylinder is fixed on the inner side wall of the floating body, a funnel is fixed at the top end of the cylinder, an electromagnetic valve is arranged at the discharge port of the funnel, four electromagnets and four rectangular boxes are fixed at the top end of the floating body, an air bag is placed in each rectangular box, a slide block is fixedly connected to one end of the air bag, which is far away from the, the iron rod extends to the outside of the rectangular box, a spring is wound on the surface of the iron rod and used for resetting the air bag, the air bag is connected with an air cylinder through an air pipe and used for providing power for the air cylinder, the air cylinder is fixed on the inner side wall of the cylinder, a pressing plate is fixed at the output end of the air cylinder and used for extruding water purification treatment pills, a bulge is arranged at the other end, far away from the adjacent air cylinder, of the pressing plate, when the iron rod works, sewage needs to be sterilized in medical wastewater treatment, the sewage and the disinfectant are kept in a certain contact retention time in a disinfection tank, so that the disinfectant can effectively kill bacteria in water, and then the effluent is discharged to a municipal pipe network, but for some disinfection tanks without fluidity, the diffusion of the disinfectant is slow, the diffusion of the disinfectant is not uniform, the time needed for disinfection is longer, the dosing device floats on the water surface through the arrangement of structures such as a floating body and the like, the prepared water purification treatment pills are firstly put into the funnel, then the controller controls the driving motor to work, the driving motor drives the rectangular plate to rotate, the direction change and the movement of the dosing device are realized, so that the dosing device can move to any position of the disinfection tank, the uniform throwing of the water purification treatment pills is convenient, in the process of moving the dosing device, the controller controls the electromagnetic valve to be opened at regular time, when the electromagnetic valve is opened, the water purification treatment pills in the funnel fall off, after the calculated falling time, the controller controls the electromagnet to enable the electromagnet to adsorb the iron rod, the iron rod moves to drive the sliding block to move, the moving sliding block compresses the air bag, gas in the air bag enters the corresponding air cylinder through the air pipe, the output shaft end of the air bag moves, and then the pressing plate moves, the clamp plate that removes extrudees the capsule that drops, make the volume of capsule diminish, thereby make the medicament in the capsule extruded, the medicament of extruding directly falls into the aquatic, the solution rate of medicament has been accelerated, the effective time of water purification treatment pill has been shortened, thereby the treatment effeciency of sewage has been improved, the arch of setting, it has the promotion effect to the removal of medicament when extruding the capsule, make the medicament in the capsule remove to the both ends of capsule, the medicament that avoids direct extrusion to lead to hardens and remains the phenomenon emergence in the capsule, the separation rate of medicament and capsule has been improved, the reaction efficiency is improved.
Preferably, the included angle of the protrusion and the corresponding pressing plate is a, the range of a is 135 degrees to 160 degrees, the protrusion is used for enhancing the extrusion effect of the pressing plate, in operation, the protrusion is arranged to play a role in assisting in extruding the medicament, but the protrusion is arranged too much to weaken the extrusion effect of the protrusion, the included angle of the protrusion and the corresponding pressing plate is 135 degrees to 160 degrees, the extrusion effect of the protrusion is ensured, the effect maximization of the protrusion is realized, and the speed of separating the medicament from the capsule is improved.
The invention has the following beneficial effects:
1. according to the medical wastewater multi-stage treatment process, the chemical dosing device used in the invention enables the rectangular plate to carry out water-paddling operation in the process that the driving motor drives the rectangular plate to rotate, so that the chemical dosing device realizes steering and moving, uniform feeding of water purification treatment pills is facilitated, and the treatment efficiency of sewage is improved.
2. According to the multistage treatment process for medical wastewater, the dosing device used in the invention, in the falling process of the water purification treatment pill, the air cylinder drives the pressing plate to move, so that the pressing plate presses the water purification treatment pill, the medicament in the water purification treatment pill is extruded from the capsule, the medicament is promoted to be rapidly dissolved in water, and the treatment speed of sewage is accelerated.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a flow chart of the present invention;
fig. 2 is a three-dimensional view of an administration set for use in the present invention;
fig. 3 is a partial cross-sectional view of an administration set for use in the present invention;
FIG. 4 is a partial cross-sectional view of a rectangular box;
FIG. 5 is a side cross-sectional view of a rectangular box;
FIG. 6 is a force diagram of the capsule;
FIG. 7 is a front cross-sectional view of the capsule;
in the figure: the device comprises a capsule 1, a gas cavity 2, a floating body 3, a mounting block 4, a rectangular plate 5, a cylinder 6, a funnel 7, an electromagnetic valve 8, an electromagnet 9, a rectangular box 10, an air bag 11, a sliding block 12, an iron rod 13, a spring 14, an air cylinder 15, a pressure plate 16 and a protrusion 17.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 7, the multistage treatment process for medical wastewater of the present invention comprises the following steps:
s1: discharging sewage into a primary sedimentation tank, wherein a grid is arranged at an inlet of the primary sedimentation tank and used for intercepting coarse suspended matters to protect a subsequent treatment unit;
s2: discharging the sewage primarily precipitated in the step S1 to an adjusting tank, wherein the adjusting tank is used for stabilizing the quality and quantity of the sewage and adjusting the PH of the sewage;
s3: discharging the regulated sewage in the step S2 to a secondary sedimentation tank for removing suspended pollutants in the sewage, reducing the interference of the suspended matters on the disinfectant and saving the dosage of the disinfectant;
s4: discharging the upper clear liquid in the secondary sedimentation tank in the S3 into a disinfection tank, and throwing the water purification treatment pills into the disinfection tank by using a medicine feeding device, wherein the medicine feeding device moves on the water surface of the secondary sedimentation tank, so that the water purification treatment pills are more uniformly thrown, and meanwhile, the water purification treatment pills are more quickly dissolved in water and are used for disinfecting and sterilizing sewage;
as a specific implementation mode of the invention, the water purification pill is prepared by the following process steps:
a1: the water purification pill comprises a capsule 1, wherein the capsule 1 is prepared, and cross-shaped cuts are cut at two ends of the prepared capsule 1;
a2: the preparation method comprises the steps of preparing the medicament, wherein the medicament is made of environment-friendly and degradable materials, so that the medicament cannot pollute sewage, and the medicament cannot be degraded to form new pollutants, so that a new problem is caused, and then the medicament is filled in the capsule 1 prepared from A1, so that the sufficient content of the medicament is ensured;
a3: cooling the notches at the two ends of the capsule 1 filled with the medicament in the A2 by using liquid nitrogen, so that the notches at the two ends of the capsule 1 are contracted and attached to avoid the overflow of the medicament;
as a specific embodiment of the present invention, the capsule 1 is made of water-soluble hydroxypropyl methylcellulose (HPMC), so that the capsule 1 is dissolved in water after entering water, and in operation, the capsule 1 needs to be dissolved in water after entering water, so that the effective time of the water purification treatment pill is prolonged, thereby prolonging the treatment time of sewage, and reducing the sewage treatment efficiency, while the capsule 1 is made of water-soluble hydroxypropyl methylcellulose (HPMC), so that the capsule 1 is rapidly dissolved in water after entering sewage, and the medicament filled in the capsule 1 contacts with water, thereby rapidly exerting the medicinal effect, shortening the time required for exerting the medicinal effect of the capsule 1, and improving the sewage treatment efficiency.
As a specific embodiment of the present invention, the capsule 1 includes two empty capsules, the capsule is formed by splicing the two empty capsules, a closed gas cavity 2 is arranged in the middle of the capsule 1, when the capsule 1 is pressed, air in the gas cavity 2 helps to separate a medicament from the capsule 1, a certain time is required for dissolving the capsule 1 in water during work, and the effective time of the medicament effect of the water purification treatment pill can be also prolonged, when the capsule 1 is pressed, the gas cavity 2 in the capsule 1 is pressed, so that the air in the gas cavity 2 moves to two ends of the airbag 11, and the gas in the gas cavity 2 presses the medicament in the capsule 1, so that the medicament is extruded from two ends of the capsule 1, the extruded medicament falls into water, so that the medicament in the capsule 1 is rapidly dissolved in water, and the sewage treatment efficiency of the water purification treatment pill is improved.
As a specific embodiment of the present invention, the medication dosing device used in S4 includes a floating body 3, the floating body 3 is a circular cavity structure, a storage battery and a controller are disposed in the floating body 3, the controller is used for controlling the medication dosing device to work, two driving motors are disposed on the side wall of the floating body 3, a mounting block 4 is fixed to an output shaft end of the driving motor, rectangular plates 5 are uniformly distributed on the side wall of the mounting block 4 along the circumferential direction, the rectangular plates 5 are used for paddling to move the medication dosing device, a cylinder 6 is fixed to the inner side wall of the floating body 3, a funnel 7 is fixed to the top end of the cylinder 6, an electromagnetic valve 8 is disposed at a discharge port of the funnel 7, four electromagnets 9 and four rectangular boxes 10 are fixed to the top end of the floating body 3, an air bag 11 is disposed in the rectangular boxes 10, a slide block 12 is fixedly connected, an iron rod 13 is fixed on one side, facing the adjacent electromagnet 9, of the sliding block 12, the iron rod 13 is used for driving the air bag 11, the sliding block 12 moves, the iron rod 13 extends to the outside of the rectangular box 10, a spring 14 is wound on the surface of the iron rod 13, the spring 14 is used for resetting the air bag 11, the air bag 11 is connected with an air cylinder 15 through an air pipe, the air bag 11 is used for providing power for the air cylinder 15, the air cylinder 15 is fixed on the inner side wall of the cylinder 6, a pressing plate 16 is fixed at the output shaft end of the air cylinder 15, the pressing plate 16 is used for extruding water purification treatment pills, a bulge 17 is arranged at the other end, far away from the adjacent air cylinder 15, when the air bag works, the sewage needs to be sterilized in the medical wastewater treatment, the sewage and the disinfectant are kept in a certain contact retention time in a disinfection tank, so that, however, for some disinfection pools without fluidity, the diffusion of the disinfectant is slow, the diffusion of the disinfectant is not uniform, so that the time required for disinfection is long, and the disinfection effect is poor, the chemical dosing device floats on the water surface through the arrangement of structures such as the floating body 3, the prepared water purification pills are firstly put into the funnel 7, then the controller controls the driving motor to work, the driving motor drives the rectangular plate 5 to rotate, so that the chemical dosing device can be shifted and moved, the chemical dosing device can be moved to any position of the disinfection pool, so that the water purification pills can be uniformly thrown in, in the moving process of the chemical dosing device, the controller controls the electromagnetic valve 8 to be opened at regular time, when the electromagnetic valve 8 is opened, the water purification pills in the funnel 7 fall down, and after the calculated falling time, the controller controls the electromagnet 9 to enable the electromagnet 9 to adsorb the iron rod 13, thereby the iron set 13 removes and drives slider 12 to remove, slider 12 that removes oppresses gasbag 11, make the gas in the gasbag 11 enter into corresponding cylinder 15 through the trachea, thereby make the output axle head of gasbag 11 remove, and then drive clamp plate 16 and remove, the clamp plate 16 that removes extrudes the capsule 1 that drops, make the volume of capsule 1 diminish, thereby make the medicament in the capsule 1 extruded, the medicament of being extruded directly falls into the aquatic, the dissolution rate of medicament has been accelerated, the effective time of water purification treatment pill has been shortened, thereby the treatment effeciency of sewage has been improved, the arch 17 that sets up, it promotes the removal of medicament when extrudeing capsule 1, make the medicament in the capsule 1 remove to the both ends of capsule 1, avoid the medicament that direct extrusion leads to harden and remain the phenomenon emergence in capsule 1, the separation rate of medicament and capsule 1 has been improved, the reaction efficiency is improved.
As a specific embodiment of the present invention, an included angle a between the protrusion 17 and the corresponding pressure plate 16 is 135 to 160 °, the protrusion 17 is used to enhance the squeezing effect of the pressure plate 16, during operation, the protrusion 17 is set to help squeeze the medicament, but the protrusion 17 is set too large, which weakens the squeezing effect of the protrusion 17, and the included angle between the protrusion 17 and the corresponding pressure plate 16 is set to 135 to 160 °, which ensures the squeezing effect of the protrusion 17, maximizes the effect of the protrusion 17, and improves the speed of separating the medicament from the capsule 1.
When the device works, the sewage needs to be sterilized in the medical wastewater treatment, the sewage and the disinfectant are kept in a certain contact retention time in the disinfection tank, so that the disinfectant can effectively kill bacteria in water, then the effluent is discharged to a municipal pipe network, but for some disinfection tanks without fluidity, the diffusion of the disinfectant is slow, the diffusion of the disinfectant is uneven, the time required for disinfection is long, and the disinfection effect is poor, through the arrangement of structures such as a floating body 3, the dosing device floats on the water surface, the prepared water purification pills are firstly put into a funnel 7, then the driving motor is controlled by a controller to work, the driving motor drives a rectangular plate 5 to rotate, the direction change and the movement of the dosing device are realized, so that the dosing device can move to any position of the disinfection tank, the uniform feeding of the water purification pills is convenient, and in the moving process of the dosing device, the controller controls the electromagnetic valve 8, so that the electromagnetic valve 8 is opened at regular time, when the electromagnetic valve 8 is opened, the water purification pill in the funnel 7 drops, after the calculated dropping time is reached, the controller controls the electromagnet 9, the electromagnet 9 adsorbs the iron rod 13, the iron rod 13 moves to drive the slide block 12 to move, the moving slide block 12 presses the air bag 11, so that the gas in the air bag 11 enters the corresponding air cylinder 15 through the air pipe, the output shaft end of the air bag 11 moves to drive the pressing plate 16 to move, the moving pressing plate 16 extrudes the dropped capsule 1, the size of the capsule 1 is reduced, so that the medicament in the capsule 1 is extruded, the extruded medicament directly drops into water, the dissolving speed of the medicament is accelerated, the effective time of the water purification pill is shortened, the sewage treatment efficiency is improved, and the set protrusion 17, the movement of the medicament is promoted when the capsule 1 is extruded, so that the medicament in the capsule 1 moves towards the two ends of the capsule 1, the phenomenon that the medicament is hardened and remained in the capsule 1 due to direct extrusion is avoided, the separation speed of the medicament and the capsule 1 is increased, and the reaction efficiency is improved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The medical wastewater multi-stage treatment process is characterized by comprising the following steps of:
s1: discharging sewage into a primary sedimentation tank, wherein a grid is arranged at an inlet of the primary sedimentation tank and used for intercepting coarse suspended matters to protect a subsequent treatment unit;
s2: discharging the sewage primarily precipitated in the step S1 to an adjusting tank, wherein the adjusting tank is used for stabilizing the quality and quantity of the sewage and adjusting the PH of the sewage;
s3: discharging the regulated sewage in the step S2 to a secondary sedimentation tank for removing suspended pollutants in the sewage, reducing the interference of the suspended matters on the disinfectant and saving the dosage of the disinfectant;
s4: and discharging the upper clear liquid in the secondary sedimentation tank in the step S3 into a disinfection tank, and putting water purification treatment pills into the disinfection tank by using a dosing device, wherein the water purification treatment pills are used for disinfecting and sterilizing sewage.
2. The multi-stage treatment process of medical wastewater according to claim 1, characterized in that: the water purification pill is prepared by the following process steps:
a1: the water purification pill comprises a capsule (1), the capsule (1) is prepared, and cross-shaped cuts are cut at two ends of the prepared capsule (1);
a2: preparing a medicament, wherein the medicament is made of an environment-friendly and degradable material, and is filled in the capsule (1) prepared from A1 to ensure the sufficient content of the medicament;
a3: the notches at the two ends of the capsule (1) filled with the medicament in the A2 are cooled by liquid nitrogen, so that the notches at the two ends of the capsule (1) are shrunk and attached, and the medicament is prevented from overflowing.
3. The multi-stage treatment process of medical wastewater according to claim 2, characterized in that: the capsule (1) is made of hydroxypropyl methylcellulose (HPMC) having water solubility such that the capsule (1) dissolves in water upon entering water.
4. The multi-stage treatment process of medical wastewater according to claim 3, characterized in that: the capsule (1) comprises two empty capsules, the capsule is formed by splicing the two empty capsules, the middle of the capsule (1) is provided with a closed gas cavity (2), and when the capsule (1) is extruded, air in the gas cavity (2) is helpful for separating the medicament from the capsule (1).
5. The multi-stage treatment process of medical wastewater according to claim 1, characterized in that: the dosing device used in the S4 comprises a floating body (3), the floating body (3) is of a circular ring cavity structure, a storage battery and a controller are arranged in the floating body (3), the controller is used for controlling the dosing device to work, two driving motors are arranged on the side wall of the floating body (3), a mounting block (4) is fixed at the output shaft end of each driving motor, rectangular plates (5) are uniformly distributed on the side wall of each mounting block (4) along the circumferential direction of the side wall, the rectangular plates (5) are used for paddling to enable the dosing device to move, a cylinder (6) is fixed on the inner side wall of the floating body (3), a funnel (7) is fixed at the top end of the cylinder (6), an electromagnetic valve (8) is arranged at the discharge port of the funnel (7), four electromagnets (9) and four rectangular boxes (10) are fixed at the top end of the floating body (3), one end of the air bag (11) far away from the corresponding electromagnet (9) is fixedly connected with a sliding block (12), an iron rod (13) is fixed on one side of the slide block (12) facing the adjacent electromagnet (9), the iron rod (13) is used for driving the air bag (11) slide block (12) to move, the iron rod (13) extends to the outside of the rectangular box (10), the surface of the iron rod (13) is wound with a spring (14), the spring (14) is used for resetting the air bag (11), the air bag (11) is connected with an air cylinder (15) through an air pipe, the air bag (11) is used for providing power for the air cylinder (15), the cylinder (15) is fixed on the inner side wall of the cylinder (6), a pressure plate (16) is fixed at the output shaft end of the cylinder (15), the pressure plate (16) is used for extruding the water purification treatment pills, and a bulge (17) is arranged at the other end of the pressure plate (16) far away from the adjacent cylinder (15).
6. The multi-stage treatment process of medical wastewater according to claim 5, characterized in that: the included angle between the bulge (17) and the corresponding pressure plate (16) is a, the range of a is 135-160 degrees, and the bulge (17) is used for enhancing the extrusion effect of the pressure plate (16).
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| CN201910968367.5A CN110713283A (en) | 2019-10-12 | 2019-10-12 | Medical wastewater multi-stage treatment process |
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| CN201910968367.5A CN110713283A (en) | 2019-10-12 | 2019-10-12 | Medical wastewater multi-stage treatment process |
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