CN2712914Y - Sewage counteraction and sterilization system - Google Patents
Sewage counteraction and sterilization system Download PDFInfo
- Publication number
- CN2712914Y CN2712914Y CNU2004200598572U CN200420059857U CN2712914Y CN 2712914 Y CN2712914 Y CN 2712914Y CN U2004200598572 U CNU2004200598572 U CN U2004200598572U CN 200420059857 U CN200420059857 U CN 200420059857U CN 2712914 Y CN2712914 Y CN 2712914Y
- Authority
- CN
- China
- Prior art keywords
- sewage
- aeration
- water outlet
- casing
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The utility model discloses a sewage counteraction and sterilization system, comprising a biologic sterilizing device, a bioreactor, and an aerating sterilizing device. The biologic sterilizing device is composed of a closed box body. The sewerage in the hospital enters the biologic sterilizing device from a water inlet. After the sterilization of the biologic disinfecting agent, the sewerage enters the bioreactor from the water outlet of the biologic sterilizing device. After the biologic bacterium attached on fillers in the bioreactor degrades the organics in the sewerage, the sewerage enters the aerating sterilizing device. The sterilized gas generated from an ozone chlorine dioxide generator enters the box body from an aerating switch-in port to aerate and sterilizes the sewerage in the box body. The sterilized sewerage enters a city sewerage pipe net from a water outlet. The utility model can effectively remove bacterial vegetative forms, viruses, fungus, and various germs in the hospital sewage and can degrade the organics, and the discharged water quality can achieve the national sewerage integrative emission standard. The utility model is simple in structure, lower in cost, and few in dissipation of energy.
Description
Technical field
The utility model relates to a kind of wastewater disinfection machine, particularly a kind of not only can clearing up but also can clear up sterilisation system by disinfectant sewage.
Background technology
Follow development in science and technology, industrial sewage and medical sewage quantity discharged are also in continuous rising, sewage emissions not only causes environmental pollution, and the sewage composition complexity of hospital, contain a large amount of various viruses, bacterium, chemicals, have the feature that space-pollution, acute pollution and latent are polluted, hazardness is big, seriously influence human health, also directly affect the Sustainable development of human society, what this made sewage is treated as one of important social concern.
Existing sterilization method can be divided into physical disinfection, chemical disinfection, biological antiseptic, comes disinfection mode to be called physical disinfection by heating power, ionizing rays, microwave, infrared rays and laser, ultraviolet ray and methods such as ultrasonic wave, cooling, freezing, dry, mechanical elimination, ventilation and filtration sterilization; Utilize the method for chemicals pathogenic microbe killing to claim chemical disinfection, chemicals has peroxide (Peracetic Acid, hydrogen peroxide, ozone etc.), aldehydes (formaldehyde, glutaraldehyde), oxyethane, chlorine-containing disinfectant (organochlorine class, inorganic chlorine class) etc.; The method of utilizing certain biology to kill or remove pathogenic micro-organism is called biological sterilization, and this type of procedure is slow, and effect is not exclusively reliable, and bacterial spore is not generally had killing action.
In the sewage disposal of hospital, because the physical method sterilization needs corresponding apparatus, and these equipment costs are high, and the sterilisation effect that has is undesirable, and the biological sterilization process is slow, and effect is not exclusively reliable, and bacterial spore is not generally had killing action.So generally adopt chemical disinfection, adopt the implementation of chemical disinfection to have a variety of, have plenty of in sterilization pool, directly to add and throw sterilizing agent and kill virus and emit again after the sterilization, add throwing sterilizing agent be generally chlorine-containing disinfectant, or ozonization agent, wherein, chlorine-containing disinfectant mainly is a liquid chlorine, clorox, hospital is when disinfection, and these sterilizing agents can be bought from manufacturer, because sewage quantity is big, the usage quantity of sterilizing agent is big, and general chlorine-containing disinfectant all is corrosive, and there are a lot of difficulties in a large amount of sterilizing agents in transportation, and it is uneconomical, so, most hospital self-control sterilizing agent, main device has electrolyzer or chemical devices, but it is big that general electrolyzer or chemical devices take up an area of the space, power consumption is big, and, because the uncontrollable disinfectant consumption of device that has, contain sterilizing agent in the water of feasible discharging, cause secondary pollution.
In sum, it is single that the Sewage treatment systems of present hospital exists processing mode, and it is not thorough to sterilize, and floor space is big, and equipment is numerous and jumbled, problem with high costs.
The utility model content
Technical problem to be solved in the utility model is the problem at existing hospital sewage disposal system existence, propose a kind of sewage and clear up sterilisation system, make harmful water body obtain degraded, disinfectant simultaneously, use biological disinfectant to enter water body kill bacteria, virus, sterilization is thorough, non-secondary pollution, water outlet does not have residual hazard, safe and reliable, and simple in structure, cost is low, practical.
The technical problems to be solved in the utility model is achieved through the following technical solutions:
A kind of sewage is cleared up sterilisation system, comprises biological antiseptic device, bio-reactor, aeration sterilizing unit, and described biological antiseptic device, bio-reactor, aeration sterilizing unit are connected in series by pipeline; Described biological antiseptic device is used for eliminating hospital sewage microbiotic etc. and is unfavorable for biodegradable pollutant component, it comprises an airtight casing, on casing, be provided with water-in, sterilizing agent inlet, water outlet at least, described sterilizing agent inlet is connected with the biological disinfectant feeding mechanism by the sterilizing agent pipeline, described water-in is connected with the sewage body by pipeline, and described water outlet is connected with bio-reactor through pipeline; Described bio-reactor is used for the organism of degradation of sewage, it comprises a built-in body that is loaded with the high molecular filler of immobilized microorganism, this body is provided with water-in, water outlet, when the sewage from the output of biological antiseptic device enters bio-reactor, by the biological bacteria that filling surface adheres to the organism in the sewage is degraded, enter the aeration sterilizing unit by water outlet through pipeline through the sewage of degrading; Described aeration sterilizing unit is a casing, on casing, be provided with water-in, aeration access port, water outlet at least, the aeration access port is provided with the aeration mouth, this aeration mouth connects aerated conduit, be connected with ozone, chlorine dioxide generator by aerated conduit, the mixed gas oxidation sterilizing that oxygen, chlorine dioxide generator produce is extremely strong, capable of killing virus, germ, remove stink, the internal sewage of disinfectant mixed gas that is used for that ozone, chlorine dioxide generator produce carries out the aeration sterilization, enters municipal sewage pipe network by water outlet through pipeline through disinfectant sewage.Water-in is provided with traverse baffle relatively in the airtight casing of described biological antiseptic device, one sidewall of this traverse baffle and casing forms the mouth of a river, and traverse baffle can be for more than one, and more than one traverse baffle is provided with at interval, and the water outlet direction of adjacent two traverse baffles is opposite.
Pipeline between described sterilizing agent inlet and the sterilizing agent feeding mechanism is provided with volume pump, is used to measure the dosage of the biological disinfectant of biological antiseptic device box.
The described built-in body that is loaded with the high molecular filler of immobilized microorganism can be tank body, casing.
The inboard wall of tube body of described bio-reactor is provided with drainage plate, and this drainage plate distributes twist along the body axis.
Described body is more than one, and described body more than is connected in series.
The biological inoculum that adheres on the built-in filler of described body is one or more.
Be provided with air pump between the aeration access port of the outlet of ozone, chlorine dioxide generator and aeration sterilizing unit, the high-pressure air that produces by air pump enters the propelling casing with the sterilizing gas that ozone, chlorine dioxide generator produce by the aeration mouth.
Relative water-in is provided with traverse baffle in the casing of described aeration sterilizing unit, and a sidewall of this traverse baffle and casing forms the mouth of a river.
Described traverse baffle is more than one, and more than one traverse baffle is provided with at interval, and the water outlet direction of adjacent two dividing plates is opposite.
The sewage that the utility model provides is cleared up sterilisation system, the biological antiseptic device is used for eliminating hospital sewage microbiotic etc. and is unfavorable for biodegradable pollutant component, by bio-reactor the organism in the sewage is degraded, the ozone that the aeration sterilizing unit produces, the oxidation sterilizing of dioxide peroxide mixed gas is extremely strong, can kill the various harmful microorganisms in the sewage, comprise bacterial propagule, virus, fungi, tubercule bacillus and the strongest bacterial spore of drag, and remove stink, the water quality of discharging reaches national sewage comprehensive emission standard, simple in structure, cost is low, practical.
Description of drawings
Fig. 1 is that structure of the present utility model is formed synoptic diagram;
Fig. 2 clears up the disinfectant schema for the utility model to sewage;
Fig. 3 is the biological antiseptic apparatus structure synoptic diagram of the utility model embodiment;
Fig. 4 is the structural representation of the bio-reactor of the utility model embodiment;
Fig. 5 is the structural representation of the multi-stage biological reactor of the utility model embodiment
Fig. 6 is the structural representation of the aeration sterilizing unit of the utility model embodiment;
Fig. 7 clears up the disinfectant schema for embodiment of the present utility model to sewage.
Embodiment
Referring to Fig. 1, for structure of the present utility model is formed synoptic diagram, sewage described in the utility model is cleared up sterilisation system, comprise biological antiseptic device 1, bio-reactor 2, aeration sterilizing unit 3, described biological antiseptic device 1 comprises an airtight casing 10, casing is offered water-in 11, water outlet 12, sterilizing agent inlet 13, and sterilizing agent inlet 13 connects by the sterilizing agent pipeline and is connected with the biological disinfectant feeding mechanism; Its water-in 11 is connected with sewer line by pipeline 5, after the sewage that enters biological antiseptic device 1 passes through the sterilization of biological disinfectant, enters bio-reactor 2 from the water outlet 12 of biological antiseptic device through pipeline 5.
Described bio-reactor 2 comprises the body 20 of a built-in filler, this body 20 is provided with water-in 21, water outlet 22, be attached with biological bacteria at filling surface, when the sewage from the output of aeration sterilizing unit enters bio-reactor 2, by the biological bacteria that filling surface adheres to the organism in the sewage is degraded, enter aeration sterilizing unit 3 by water outlet 22 through pipeline through the sewage of degrading;
Described aeration sterilizing unit 3 is a casing 30, on casing, be provided with water-in 31, aeration access port 33, water outlet 32 at least, described water-in 31 is connected with bio-reactor 2 by pipeline 5, aeration access port 33 is provided with aeration mouth 34, this aeration mouth 34 connects aerated conduit, be connected with ozone, chlorine dioxide generator by aerated conduit, the disinfectant gas that is used for that ozone, chlorine dioxide generator produce carries out the aeration sterilization to the sewage that enter in the casing 30, enters municipal sewage pipe network by water outlet 32 through pipeline through disinfectant sewage.
The utility model is cleared up the disinfectant flow process as shown in Figure 2 to sewage, the sewage that comes out from hospital is before entering municipal sewage pipe network, hold back and enter biological antiseptic device 1, sewage and wherein biological disinfectant thorough mixing eliminate in the hospital sewage that microbiotic etc. is various to be unfavorable for biodegradable pollutant component;
The sewage that comes out from biological antiseptic device 1 enters bio-reactor 2 by pipeline, flow through built-in filler, by the biological bacteria that filling surface adheres to the organism in the sewage is degraded, eliminate the foreign odor material, enter aeration sterilizing unit 3 by water outlet through pipeline through the sewage of degrading;
Aeration sterilizing unit 3 is connected with ozone, chlorine dioxide generator by aerated conduit, the disinfectant gas that is used for that ozone, chlorine dioxide generator produce enters aeration sterilizing unit 3, with the sewage thorough mixing, the oxidisability of ozone, dioxide peroxide is extremely strong, can kill various viruses, germ, remove stink.Degraded, sterilization through three road sterilizing units make sewage reach national sewage comprehensive emission standard, are discharged in the municipal sewage pipe network by the water outlet of aeration sterilizing unit 3.
Below by specific embodiment the utility model is described in detail.
In the present embodiment, the structural representation of biological antiseptic device 1 as shown in Figure 3, biological antiseptic device 1 comprises a cube shaped airtight casing 10, offer water-in 11, water outlet 12, sterilizing agent inlet 13 on the casing 10, sterilizing agent inlet 13 is connected with the biological disinfectant feeding mechanism by the sterilizing agent pipeline; The traverse baffle 15 that is provided with at interval more than one is set in casing 10, and described traverse baffle 15 is relative with water-in 11, and the bottom surface of one end and casing 10 forms the mouth of a river 16, and other three ends are fixedlyed connected with casing, and the water outlet 16 of adjacent two traverse baffles is opposite.The traverse baffle that a plurality of water outlets oppositely are provided with mutually, can increase the flowing time of sewage in biological antiseptic device 1, make lengthening duration of contact of biological disinfectant and sewage, and, by sewage flowing between the casing traverse baffle, make biological disinfectant more abundant with mixing of sewage, the more effective microbiotic etc. removed is unfavorable for biodegradable pollutant component, through after the sterilization of biological disinfectant, sewage enters bio-reactor 2 from the water outlet 12 of biological antiseptic device.
Used biological disinfectant is a kind of special pure biological disinfectant in the present embodiment, and this pure biological disinfectant does not have damage to microorganism species, and not influence system is cleared up, (nitration reaction refers to that the nitrifier in the aerobic microbiological is with NH in the bio-reactor 2 to nitration treatment
4-N is oxidized to NO
3The process of-N) water outlet does not have residual hazard.
For the biological disinfectant of putting into is measured, the pipeline 5 between sterilizing agent inlet and the sterilizing agent feeding mechanism is provided with volume pump 17, and described volume pump 17 is the common liq volume pump.
The structural representation of bio-reactor 2 as shown in Figure 4, bio-reactor 2 comprises a body 20, water-in 21, water outlet 22, wherein, the inwall of body 20 is provided with drainage plate 23, and this drainage plate 23 distributes twist along the axis of body 20, and in body 20 polymer carrier 24 is set, bacteria agent 25 is grown in this filler 24, is multiplied, and attached to the surface of filler 24, wherein bacteria agent 25 kinds are more than one, disposable adding before equipment debugging.
The sewage that comes out from biological antiseptic device 1 enters into body 20 through pipeline from bio-reactor 2 water-ins 21, flow through filler 24, because the drainage plate 23 that distributes twist on the tube body wall, sewage is flow through with swirl shape, flow out from water outlet, the process of crossing from filler stream, the organism in the sewage is degraded attached to the biological bacteria of filling surface, with macromolecular organic matter degradation is small-molecule substance, removes stink.
In order to degrade to the sewage that flows through body 20 fully, described bio-reactor 2 can be for multistage, be illustrated in figure 5 as three grades bio-reactor, these three grades of bio-reactors are by three bodys 201 as shown in Figure 4,202,203 form, the water-in 2011 of first body 201 is as the water-in of this staged reactor, the water outlet 2012 of first body is connected with the water-in of second body, the water outlet 2013 of second body is connected with the water-in of the 3rd body, the water outlet 2014 of the 3rd body is as the water outlet of this multi-stage biological reactor, form the form that is connected in series thus, for different organism in the effective degradation of sewage, in each body, add different biological bacteria, extending sewage in the intravital flowing time of pipe, more effectively different organism in the degradation of sewage.
Aeration sterilizing unit 3 structural representations as shown in Figure 6, comprise a cube shaped casing 30, water-in 31, water outlet 32, aeration access port 33, aeration mouth 34, aeration mouth 34 is by pipeline 5 and ozone, chlorine dioxide generator connects, between the aeration access port of the outlet of chlorine dioxide generator and aeration sterilizing unit, be provided with air pump 36, make ozone by this air pump 36, the sterilizing gas that chlorine dioxide generator produces enters casing 30 by aeration mouth 34, the traverse baffle 35 that is provided with at interval more than one is set in casing 30, described traverse baffle 35 is relative with water-in 31, the bottom surface of one end and casing 30 forms the mouth of a river 37, other three ends and casing fixed installation, the water outlet 37 of adjacent two traverse baffles is opposite.The traverse baffle 35 that a plurality of water outlets oppositely are provided with mutually, can increase the flowing time of sewage in aeration sterilizing unit 3, make lengthening duration of contact of ozone and dioxide peroxide and sewage, and, by sewage flowing between the casing traverse baffle, make ozone, dioxide peroxide and sewage thorough mixing, more abundant, effectively kill virus and bacterium in the water.
Air pump on it is common air pump, and the mixed gas of ozone, dioxide peroxide is pressed in the intravital sewage of case with certain pressure, makes ozone, dioxide peroxide and sewage thorough mixing.
Use present embodiment sewage cleared up the disinfectant flow process as shown in Figure 7:
The sewage that hospital discharges enters the biological antiseptic device through pipeline, mix with the biological disinfectant that is added in wherein, the circulation path that separates along traverse baffle flows through, biological disinfectant is mixed with sewage fully, duration of contact lengthening eliminates in the hospital sewage that microbiotic etc. is various to be unfavorable for biodegradable pollutant component;
The sewage that comes out from the biological antiseptic device enters the multi-stage biological reactor through pipeline, permeate step by step in the past with the filler of swirl shape from each body, flow out from the water outlet of last body, the organism in the sewage is degraded attached to the biological bacteria of filling surface;
The sewage that comes out from the multi-stage biological reactor enters the aeration sterilizing unit, the mixing sterilizing gas that ozone, chlorine dioxide generator produce enters the aeration sterilizing unit by air pump through the aeration access port, mix with sewage, the circulation path that separates along traverse baffle flows through, make ozone, dioxide peroxide and sewage thorough mixing, duration of contact, lengthening increased the flowing time of sewage in the aeration sterilizing unit, fully, effectively kill harmful virus, germ in the sewage, remove stink.
Make sewage reach national sewage comprehensive emission standard through above three road sterilizing units, be discharged in the municipal sewage pipe network by the water outlet of aeration sterilizing unit.
It should be noted last that: above embodiment is the unrestricted the technical solution of the utility model in order to explanation only, although the utility model is had been described in detail with reference to the foregoing description, those of ordinary skill in the art is to be understood that: still can make amendment or be equal to replacement the utility model, and not breaking away from any modification or partial replacement of spirit and scope of the present utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (10)
1, a kind of sewage is cleared up sterilisation system, it is characterized in that: comprise biological antiseptic device, bio-reactor, aeration sterilizing unit, described biological antiseptic device, bio-reactor, aeration sterilizing unit are connected in series by pipeline;
Described biological antiseptic device comprises an airtight casing, on casing, be provided with water-in, sterilizing agent inlet, water outlet at least, described sterilizing agent inlet is connected with the biological disinfectant feeding mechanism by the sterilizing agent pipeline, described water-in is connected with the sewage body by pipeline, and described water outlet is connected with bio-reactor through pipeline;
Described bio-reactor comprises a built-in body that is loaded with the polymer carrier of immobilized microorganism, and this body is provided with water-in, water outlet, and water outlet enters the aeration sterilizing unit through pipeline;
Described aeration sterilizing unit is a casing, on casing, be provided with water-in, aeration access port, water outlet at least, the aeration access port is provided with the aeration mouth, this aeration mouth connects aerated conduit, be connected with ozone, chlorine dioxide generator by aerated conduit, water outlet is connected with municipal sewage pipe network through pipeline.
2, sewage according to claim 1 is cleared up sterilisation system, it is characterized in that: water-in is provided with traverse baffle relatively in the airtight casing of described biological antiseptic device, and a sidewall of this traverse baffle and casing forms the mouth of a river.
3, sewage according to claim 2 is cleared up sterilisation system, it is characterized in that: described traverse baffle is more than one, and more than one traverse baffle is provided with at interval, and the water outlet direction of adjacent two traverse baffles is opposite.
4, clear up sterilisation system according to the arbitrary described sewage of claim 1-3, it is characterized in that: the pipeline between described sterilizing agent inlet and the biological disinfectant feeding mechanism is provided with the dosage measuring pump of the biological disinfectant that is used to be metered into casing.
5, sewage according to claim 1 is cleared up sterilisation system, it is characterized in that: the inboard wall of tube body of described bio-reactor is provided with drainage plate, and this drainage plate distributes twist along the body axis.
6, sewage according to claim 5 is cleared up sterilisation system, it is characterized in that: described body is more than one, and described body more than is connected in series.
7, clear up sterilisation system according to claim 1 or 5 or 6 described sewage, it is characterized in that: the biological inoculum that adheres on the built-in filler of described body is one or more.
8, sewage according to claim 1 is cleared up sterilisation system, it is characterized in that: be provided with the sterilizing gas that is used for that ozone, chlorine dioxide generator are produced advances casing by high-pressure air air pump between the aeration access port of the outlet of ozone, chlorine dioxide generator and aeration sterilizing unit.
9, sewage according to claim 1 is cleared up sterilisation system, it is characterized in that: relative water-in is provided with traverse baffle in the casing of described aeration sterilizing unit, and a sidewall of this traverse baffle and casing forms the mouth of a river.
10, sewage according to claim 9 is cleared up sterilisation system, it is characterized in that: described traverse baffle is more than one, and more than one traverse baffle is provided with at interval, and the water outlet direction of adjacent two traverse baffles is opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200598572U CN2712914Y (en) | 2004-05-25 | 2004-05-25 | Sewage counteraction and sterilization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200598572U CN2712914Y (en) | 2004-05-25 | 2004-05-25 | Sewage counteraction and sterilization system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2712914Y true CN2712914Y (en) | 2005-07-27 |
Family
ID=34872912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2004200598572U Expired - Lifetime CN2712914Y (en) | 2004-05-25 | 2004-05-25 | Sewage counteraction and sterilization system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2712914Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108883954A (en) * | 2016-03-23 | 2018-11-23 | 陶氏环球技术有限责任公司 | Biological respinse device assembly |
-
2004
- 2004-05-25 CN CNU2004200598572U patent/CN2712914Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108883954A (en) * | 2016-03-23 | 2018-11-23 | 陶氏环球技术有限责任公司 | Biological respinse device assembly |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20090166280A1 (en) | Wastewater purifying system in hospitals | |
| CN101376556B (en) | Ozone oxidation sterilizing and downflow type aerating biological filter combined waste water treatment apparatus | |
| CN102241456A (en) | Hospital waste water treatment system | |
| CN102491451A (en) | Device and method with ultrasonic ozone and ultraviolet synergized for water treatment | |
| CN106977049B (en) | Header type sewage treatment device | |
| CN201713412U (en) | Hospital sewage treatment system | |
| CN104829050A (en) | Fully automatic control hospital sewage treatment method and device | |
| CN111253006A (en) | Hospital wastewater comprehensive treatment device with zero sludge discharge and treatment method thereof | |
| CN1704356A (en) | Sewage counteraction and sterilization system | |
| CN2700315Y (en) | Ozone and ultraviolet sewage combined treatment device | |
| CN2712914Y (en) | Sewage counteraction and sterilization system | |
| CN111592174A (en) | Discharge port purification system and purification method | |
| CN1188353C (en) | Diffusionless full-sealed hospital sewage treating system | |
| CN101108755A (en) | Medical treatment wastewater processing technique | |
| CN211734127U (en) | Hospital wastewater comprehensive treatment device with zero sludge discharge | |
| CN204848600U (en) | Active cenobium bioreactor adds complete sets of ultraviolet water purification sterilizer | |
| JP3163294B2 (en) | Waste chemical and biological treatment system | |
| CN112851040A (en) | Integrated sewage treatment device | |
| CN208898695U (en) | A kind of integrated effluent disposal system | |
| CN2642773Y (en) | Multistage totally-enclosed innocuous safe treating apparatus for barrier separation and purification of hospital wastewater | |
| CN207845428U (en) | A kind of hospital sewage disposal system | |
| CN206266303U (en) | Urban sewage reutilization pathogenic microorganism control device | |
| CN201062226Y (en) | Medical wastewater treatment device | |
| CN201268654Y (en) | Ozone disinfection and downflow type aerating biological filter integrated sewage treating device | |
| CN205653299U (en) | Municipal waste water treatment plant secondary effluent degree of depth processing system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140525 Granted publication date: 20050727 |