CN101585631A - High-purification pollution-prevention medical waste water safe processing method and safe processing system - Google Patents
High-purification pollution-prevention medical waste water safe processing method and safe processing system Download PDFInfo
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- CN101585631A CN101585631A CNA2008101121262A CN200810112126A CN101585631A CN 101585631 A CN101585631 A CN 101585631A CN A2008101121262 A CNA2008101121262 A CN A2008101121262A CN 200810112126 A CN200810112126 A CN 200810112126A CN 101585631 A CN101585631 A CN 101585631A
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Abstract
The invention relates to a high-purification pollution-preventing medical waste water safe processing method and a safe processing system thereof. The processing method comprises a microorganism treatment process and a non-microorganism treatment process, and the processing method comprises the following steps: (1) grille separation; (2) primary sedimentation; (3) sterilization by a chlorine method; (4) sterilization of large-sized impurities and sludge separated in the steps of (1) and (2); (5) removal of a disinfectant; (6) biochemical reaction; (7) secondary sedimentation; (8) secondary sterilization; (9) cascade filtration; and (10) processing of impurities and sludge obtained in the steps of (4) and (7), wherein the steps of (1) to (4) are carried out in a closed state of the processed materials. The processing system comprises a closed microorganism treatment device and a non-microorganism treatment device. The method and the system have microorganism safety, unsusceptible occurrence of spreading risk of pathogenic microorganisms, relatively less investment, and convenient operation and maintenance; moreover, the purified water can be recycled as reclaimed water.
Description
Technical field
The present invention relates to a kind of high-purification pollution-prevention medical waste water safe processing method and safe processing system, belong to environmental technology field.
Background technology
Medical sewage comes from hospital and other medical institutions, wherein may contain a large amount of pathogenic microorganisms, and contain various medicines, washing powder, soda ash, radio isotope, cotton swab, gauze etc., its COD is near the numerical range of sanitary sewage, but it is bigger to fluctuate. the BOD/COD of sewage is generally about 0.5, good biodegradability, but biological safety is an important problem, can not equally handle as sewage.
For preventing in sewage treatment process because sewage, foreign material in the sewage and sewage sludge and the waste gas that produces in sewage treatment process carry microorganism, form microbial contamination or spread disease, people begin continuous exploration can avoid occurring sewage water treatment method and the equipment that these microorganisms are leaked, for example No. 03014690.1 patent of invention prospectus of China provides totally enclosed hospital sewage disposal system, and this system is included in the totally enclosed casing and is provided with the equalizing tank of bringing water pipe into, have aeration head, the aerobic internal recycle reaction tank of aeration tube and guiding device, settling tank, the bottom is provided with the water outlet sterilization pool of rising pipe, its top has the gas depoisoning pond of vapor pipe, its bottom has the mud concentrated disinfectant pond and the equipment room of outer shore pipe; Described guiding device is vertical layout, and aeration head is arranged on the bottom of guiding device; Described aerobic internal recycle reaction tank is adjacent with equalizing tank with mud concentrated disinfectant pond; Described water outlet sterilization pool and settling tank are arranged on a side of aerobic internal recycle reaction tank; Described settling tank is positioned at the top of water outlet sterilization pool, and its pond body one side is darker, and opposite side is more shallow, communicates with the water outlet sterilization pool by water hole, and water hole is arranged on a more shallow side, and communicates with mud concentrated disinfectant pond by shore pipe; Described aerobic internal recycle reaction tank passes through water hole respectively) communicate with equalizing tank and settling tank; Described gas depoisoning is provided with ultraviolet lamp in the pond, is arranged on the top of totally-enclosed casing, and is connected with equalizing tank and aerobic internal recycle reaction tank respectively by the collection and confinement of gases pipe.This system is placed on all treatment facilities in the very big chest, realize the totally-enclosed for the treatment of processes thus, the sewage of its discharge and waste gas etc. are by discharging again after disinfecting, this technology has solved the problem that microorganism is leaked to a certain extent, when the case that but causes sealing usefulness too huge, in actual installation with operate very inconveniently, also be unfavorable for safeguarding.
Summary of the invention
For overcoming the above-mentioned defective of prior art, the invention provides a kind of high-purification pollution-prevention medical waste water safe processing method and complete treatment system, adopt this method and system not only can realize safety in microorganism, be not prone to the danger of pathogenic microorganism diffusion, and required investment is less relatively, operation and easy to maintenance.
The present invention realizes that the above-mentioned purpose technical scheme is: a kind of high-purification pollution-prevention medical waste water safe processing method, comprise two processes of microbiological treatment and non-microorganism processing, wherein the microbiological treatment process mainly is the microorganism of adopting in the sterilization method deactivation sewage, and other inanimates of eliminating in the sewage in the non-microorganism treating processes pollute.
A kind of medical waste water safe place system that can prevent microbial contamination comprises microbial treatment device and non-microbial treatment device, and described microbial treatment device adopts the structure that material to be processed is all sealed, and is provided with sterilizing device.
Described elder generation has carried out microbiological treatment to sewage under closed state, guaranteed that microorganism wherein can not leak into the outside, after bacteria inactivation rate, carrying out non-microorganism in the foundation prior art handles, this treatment step arrangement is reasonable, can take into account that the closure that prevents microbial contamination requires and general treating processes considering aspect investment, occupation of land and the equipment complexity, do not need system is carried out whole sealings, reduce investment and floor space thus, made things convenient for installation, operation and maintenance.
Description of drawings
Fig. 1 is the schematic flow sheet of a kind of embodiment of native system.
Embodiment
Referring to Fig. 1, the invention provides a kind of high-purification pollution-prevention medical waste water safe processing method, comprise two processes of microbiological treatment and non-microorganism processing, wherein the microbiological treatment process mainly is the microorganism of adopting in the sterilization method deactivation sewage, and non-microorganism treating processes other inanimates in eliminating sewage pollute.
Described microbiological treatment can comprise and be used for eliminating the pre-treatment of the separable impurity of water and disinfecting, specifically, comprise the following steps:
(1) grid separates, and isolates the foreign material of bulk;
(2) primary sedimentation is settled out mud;
(3) chlorine method sterilization;
(4) bulk foreign material and the mud that step (1) and (2) are separated carries out disinfection, and can adopt high-temperature sterilization, radiation sterilization, epoxyethane fumigation sterilization, chlorine solution to soak or the like;
(5) eliminate sterilizing agent, eliminate sterilizing agent in the sewage by modes such as neutralization, strippings, so that follow-up biological treatment;
(6) biochemical reaction can be aerobic biochemical reaction, hydrolysis+aerobic biochemical reaction, hydrolysis+anaerobism+aerobic biochemical reaction or the like;
(7) secondary sedimentation is settled out mud;
(8) secondary sterilization is eliminated the microorganism and the worm's ovum that enter in the biological treatment process in the water;
(9) cascade filtration carries out coarse filtration and smart filtration, impurity in the filtering water and larger molecular organics successively;
(10) foreign material and the mud of step (4) and (7) are handled, are comprised burning, landfill, preparation fertilizer, preparation building materials or the like,
Carry out under the state to the material to be processed sealing described step (1)-(4).
A kind of medical waste water safe place system that can prevent microbial contamination comprises microbial treatment device and non-microbial treatment device, and described microbial treatment device adopts the structure to the material to be processed sealing.
Described microbial treatment device can comprise the grid that connects successively, primary sedimentation basin and chlorine disinfectant pond, the bulk foreign material discharge port of described grid connects the foreign material disinfection unit by the autotransmitter structure, the sludge outlet of described primary sedimentation is by the inlet of sludge pump and pipe connection sludge disinfection device, described abiotic treatment unit comprises the sterilizing agent removal device that connects successively, biochemical reaction tank, secondary sedimentation basins, secondary sterilization equipment, coarse filtration device and fine filtering apparatus, described biochemical reaction tank can adopt the aerobic biochemical reaction tank, hydrolysis+aerobic biochemical reaction tank or hydrolysis+anaerobism+aerobic biochemical reaction tank, the water outlet of described fine filtering apparatus is handled back water holding pond, the sludge outlet of described secondary sedimentation basins connects the mud after-treatment device, the outlet of described sludge disinfection device connects described mud after-treatment device, and the outlet of described foreign material disinfection unit connects the foreign material after-treatment device.
Claims (10)
1, a kind of high-purification pollution-prevention medical waste water safe processing method, it is characterized in that comprising two processes of microbiological treatment and non-microorganism processing, wherein the microbiological treatment process mainly is the microorganism of adopting in the sterilization method deactivation sewage, and non-microorganism treating processes other inanimates in eliminating sewage pollute.
2, high-purification pollution-prevention medical waste water safe processing method as claimed in claim 1 is characterized in that comprising the following steps:
(1) grid separates, and isolates the foreign material of bulk;
(2) primary sedimentation is settled out mud;
(3) chlorine method sterilization;
(4) bulk foreign material and the mud that step (1) and (2) are separated carries out disinfection;
(5) eliminate sterilizing agent, eliminate sterilizing agent in the sewage by modes such as neutralization, strippings, so that follow-up biological treatment;
(6) biochemical reaction can be aerobic biochemical reaction, hydrolysis+aerobic biochemical reaction, hydrolysis+anaerobism+aerobic biochemical reaction or the like;
(7) secondary sedimentation is settled out mud;
(8) secondary sterilization is eliminated the microorganism and the worm's ovum that enter in the biological treatment process in the water;
(9) cascade filtration carries out coarse filtration and smart filtration, impurity in the filtering water and larger molecular organics successively;
(10) foreign material and the mud of step (4) and (7) are handled,
Carry out under the state to the material to be processed sealing described step (1)-(4).
3, high-purification pollution-prevention medical waste water safe processing method as claimed in claim 2 is characterized in that described step (4) adopts high-temperature sterilization, radiation sterilization, epoxyethane fumigation sterilization or the sterilization of chlorine solution immersion process.
4, high-purification pollution-prevention medical waste water safe processing method as claimed in claim 2 is characterized in that described step (6) is the aerobic biochemical reaction.
5, high-purification pollution-prevention medical waste water safe processing method as claimed in claim 2 is characterized in that described step (6) is hydrolysis+aerobic biochemical reaction.
6, high-purification pollution-prevention medical waste water safe processing method as claimed in claim 2 is characterized in that described step (6) is hydrolysis+anaerobism+aerobic biochemical reaction.
7, high-purification pollution-prevention medical waste water safe processing method as claimed in claim 2 is characterized in that described step (9) is for comprising burning, landfill, preparation fertilizer or preparation building materials.
8, a kind of high-purification pollution-prevention medical waste water safe processing system is characterized in that comprising microbial treatment device and non-microbial treatment device, and described microbial treatment device adopts the structure that material to be processed is all sealed, and is provided with sterilizing device.
9, high-purification pollution-prevention medical waste water safe processing system as claimed in claim 8, it is characterized in that described microbial treatment device can comprise grid, primary sedimentation basin and the chlorine disinfectant pond that connects successively, the bulk foreign material discharge port of described grid connects the foreign material disinfection unit by the autotransmitter structure, and the sludge outlet of described primary sedimentation is by the inlet of sludge pump and pipe connection sludge disinfection device.
10, high-purification pollution-prevention medical waste water safe processing system as claimed in claim 9, it is characterized in that described abiotic treatment unit comprises the sterilizing agent removal device that connects successively, biochemical reaction tank, secondary sedimentation basins, secondary sterilization equipment, coarse filtration device and fine filtering apparatus, described biochemical reaction tank adopts the aerobic biochemical reaction tank, hydrolysis+aerobic biochemical reaction tank or hydrolysis+anaerobism+aerobic biochemical reaction tank, water holding pond after the processing of the water outlet connection back of described fine filtering apparatus, the sludge outlet of described secondary sedimentation basins connects the mud after-treatment device, the outlet of described sludge disinfection device connects described mud after-treatment device, and the outlet of described foreign material disinfection unit connects the foreign material after-treatment device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101121262A CN101585631A (en) | 2008-05-20 | 2008-05-20 | High-purification pollution-prevention medical waste water safe processing method and safe processing system |
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| CNA2008101121262A CN101585631A (en) | 2008-05-20 | 2008-05-20 | High-purification pollution-prevention medical waste water safe processing method and safe processing system |
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| CN101585631A true CN101585631A (en) | 2009-11-25 |
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| CNA2008101121262A Pending CN101585631A (en) | 2008-05-20 | 2008-05-20 | High-purification pollution-prevention medical waste water safe processing method and safe processing system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104925999A (en) * | 2015-06-29 | 2015-09-23 | 安徽省安庆市皖清环保科技有限公司 | Two-stage macroscopic processing technology for medical waste water |
| CN106927634A (en) * | 2017-04-10 | 2017-07-07 | 浙江省现代建筑设计研究院有限公司 | Waste water treatment system for hospitals |
-
2008
- 2008-05-20 CN CNA2008101121262A patent/CN101585631A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104925999A (en) * | 2015-06-29 | 2015-09-23 | 安徽省安庆市皖清环保科技有限公司 | Two-stage macroscopic processing technology for medical waste water |
| CN106927634A (en) * | 2017-04-10 | 2017-07-07 | 浙江省现代建筑设计研究院有限公司 | Waste water treatment system for hospitals |
| CN106927634B (en) * | 2017-04-10 | 2020-05-19 | 浙江省现代建筑设计研究院有限公司 | Hospital wastewater treatment system |
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Open date: 20091125 |