CN203411438U - Hospital sewage treatment system - Google Patents
Hospital sewage treatment system Download PDFInfo
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- CN203411438U CN203411438U CN201320424097.XU CN201320424097U CN203411438U CN 203411438 U CN203411438 U CN 203411438U CN 201320424097 U CN201320424097 U CN 201320424097U CN 203411438 U CN203411438 U CN 203411438U
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Abstract
The utility model discloses a hospital sewage treatment system which comprises a grid well, a pre-disinfecting tank, a septic tank, a pre-aeration regulating tank, an anaerobic tank, a biological contact oxidation pond, a vertical flow sedimentation tank, a quantifying tank, a water purifying device, a contact disinfecting tank and a dechlorinating tank which are sequentially communicated through pipelines according to the flow direction of sewage, wherein the grid well is communicated with a hospital sewage drainage pipeline, and the treated hospital sewage is discharged through the dechlorinating tank. The hospital sewage treatment system is high in degree of automation, facilitates management, reduces operators, and has the advantages of energy saving, shorter operation time, lower staff shifts and lower labor intensity compared with a traditional sewage plant management system, the purifying effect is good, and the discharge indicator of the treated sewage meets the national discharge standard.
Description
Technical field
The utility model relates to technical field of sewage, is specifically related to a kind of hospital sewage disposal system.
Background technology
Hospital sewage is generally comprised of the sewage from comprising the place discharges such as ward, clinic, laboratory, laboratory, dining room, bathroom, toilet, reagent chamber, laundry, in sewage except containing a large amount of germs, virus, parasite and chemical agent, also contain many organic and inorganic pollutents, as pollutents such as various medicines, sterilizing agents, the comparatively complicated feature with space-pollution, acute infection and latent infection of composition.If the hospital sewage that contains pathogenic micro-organism is below standard without sterilization, and directly enter water body, can cause comparatively serious pollution to around waters and soil etc., cause various diseases and transmissible disease, serious harm people's is healthy.
Country specifies and has strict emission standard sewage discharge, the sewage discharge of current most hospitals does not all reach national standard, traditional technology is processed hospital sewage, be that hospital sewage is directly entered to sterilization pool through grid pond, equalizing tank, after disinfection by chlorine dioxide, enter underwater pipeline, utilize the method to process hospital sewage, although processing method is simple, easy to operate, but sewage after processing does not reach state emission standard, can pollute water source or soil; At sterilization pool, utilize after disinfection by chlorine dioxide, also can cause secondary pollution to water source; The mud producing in sewage treatment process also needs to carry out individual curing.And traditional sewage treatment process can not effectively remove organic pollutant, malignant bacteria pollutent in sewage,
The shortcoming of prior art is: existing hospital sewage disposal system, and structure and technique are too simple, not thorough to the processing of sewage, cause discharge not up to standard, and existing sewage disposal level of automation are low, and management is inconvenient, and hand labor intensity is larger.
Utility model content
The purpose of this utility model is to provide a kind of hospital sewage disposal system, makes the dirty water decontamination handles effective, can not cause secondary pollution, realizes qualified discharge.
For achieving the above object, the technical solution of the utility model is as follows: a kind of hospital sewage disposal system, comprise by effluent stream to the grille well by pipeline connection successively, pre-sterilization pool, septic tank, preaeration equalizing tank, anoxic pond, biological contact oxidation pond, vertical sedimentation tank, quantitatively pond, purifier, disinfecting tank, dechlorination pond, described grille well is communicated with hospital sewage drainage pipeline, and the hospital sewage after processing is discharged behind dechlorination pond.
Adopt said structure, the water-in of the water outlet of upper level device and next stage device is by pipeline connection, and the water-in of grille well is communicated with hospital sewage drainage pipeline, and the water outlet of grille well is communicated with the water-in of pre-sterilization pool, then connects successively.
Foreign material contained in hospital sewage are very many and complicated, larger on subsequent disposal impact, grille well can prevent that the pipeline valve of aftertreatment device and water pump from stopping up, guarantee the unimpeded of pipeline and treatment facility, and reduce the organic loading of aftertreatment device, sewage self-flowing enters grid, and after artificial removing of foreign material being trapped, regular and other rubbish, mud outward transport are processed; For infection ward of hospital etc., pre-sterilization pool is set, the sewage that infects the discharges such as ward need merge and process with other sewage again after sterilization in early stage, pre-sterilization pool also can be arranged on separately water port such as infecting ward, and then other waste water that are communicated with ，Ji hospital with septic tank can be disinfected without early stage.
Septic tank is first organic solid pollutent to be held back by the effect of precipitation, then passes through the effect of anaerobion by organic matter degradation, alleviates the operating load of subsequent disposal facility, reduces the volume of structures and the expense of reducing investment outlay processed.
Due to the malconformation of hospital wastewater, waste water enters the preaeration equalizing tank regulating water quality water yield after anaerobic reaction, carries out preaeration simultaneously in pond, and suspended substance in further sedimentation water, is conducive to the normal steady running of subsequent disposal facility.
Pretreated sewage enters anoxic pond, and the acidication bacterium growing in pond, changes into micromolecular organism by the larger molecular organics in water, is convenient to follow-up aerobic treatment, and concrete reaction is as follows:
Hydrolysis stage: macromolecular substance is degraded to small-molecule substance, solid matter is degraded to soluble substance.Acidication bacterium mainly consists of some fungies, mould, these bacteriums have the ability of very strong tolerance adverse environment condition, therefore can play good Degradation as materials such as washing powder, microbiotic to some difficult materials in water, avoid subsequent technique to impact.
Souring stage: acidification bacteria utilizes the carbohydrate of aforementioned generation to synthesize the organic acid that molecular weight is less, is convenient to subsequent treatment process.Because whole acidication stage hydraulic detention time is shorter, just there is methanogenic the first two stage of anaerobism, therefore can not produce obnoxious flavour.
In biological contact oxidation pond, drop into biologic packing material, microporous membrane aeration head is installed in pond, by blower fan, is blasted air, bacterium at filler along with biofilm is grown, organism in water is decomposed into mud and inorganic gas as CO2 by microorganism, thereby reaches organic object in degradation water.Aging microbial film Automatic-falling, i.e. the microbial film of internal layer death owing to can not get nutrient and oxygen, coming off becomes mud, and this mud is more stable than the mud of general aerobic generation, free settling, and amount is few, this is one of the advantage of catalytic oxidation just; Filler provides carrier for biological growth, biological amount reproduction growth on filler, because aeration has maintained its high reactivity, by drawing organic pollution materials in sewage, and be transformed into idiotrophic material, finally with sludge form precipitate and separate, biological contact oxidation pond can arrange two-stage, by two stages for the treatment of, the organism in the more effective removal waste water of energy, improves its effluent quality.
Biological contact oxidation pond water outlet enters vertical sedimentation tank, mounting center water inlet pipe, discharging device in vertical sedimentation tank, and sewage, after center water inlet pipe flows into, is to upper reaches and flow to water leg through reflector downwards, then from water outlet, flows out, and mud sinks to sludge bucket.Mud precipitate and separate in vertical sedimentation tank that biological contact oxidation pond produces, clear water enters quantitative pond, and the mud in vertical sedimentation tank is promoted and is back to biological contact oxidation pond by air-lift device, and excess sludge enters sludge sump.
Quantitatively in pond, lift pump is being installed, waste water lifting, to purifier, is being installed to the operation that liquid-level floater device is controlled water pump at Chi Tizhong simultaneously, while guaranteeing waste water lifting pump high-water, automatically moving, during low-water level, stopping.
The fillers such as gac, quartz sand are installed in purifier, further suspended substance, organism and the heavy metal ion etc. in filtering waste water, make germ in waste water lose carrier, are more conducive to sterilization, also can reduce the content of suspended substance in waste water, meet the requirement of new standard simultaneously.
Sewage after purification flows into disinfecting tank, drops into sterilizing agent, through water pump intense mixing at mouth piece place.The moment that sterilizing agent is added to the water must with water intense mixing, allow available chlorine contact with bacterium, effect could be good, otherwise disinfectant consumption does not have due sterilisation effect greatly on the contrary, thereby pump handle waste water and medicament suck simultaneously and play intensively mixed object.Disinfecting tank is the reaction of waterpower baffling, adds the sewage of sterilizing agent, kill bacteria within the residence time of setting.
Add the sewage after sterilizing agent, after bacterium is killed, in water, also residue has part free chlorine, and free chlorine, mainly to the biology in water, is mainly that fish are caused great harm, so before discharge of wastewater, must be through dechlorination process.Quantitatively in pond, adding chemical dechlorinating agent as Sulfothiorine, and with sewage mixings dechlorination, comparatively fast, dechlorination pond is little in this reaction, the water after dechlorination can enter realizes qualified discharge, prevents secondary pollution.
Described purifier bottom arranges water-in, middle part is provided with gac or quartz sand filler, top sets out the mouth of a river, this purifier bottom is also provided with discharge outlet, the water-in of described purifier is communicated with the water outlet in quantitative pond by pipeline, and the water-in that goes out of this purifier is communicated with the water-in of disinfecting tank.
The fillers such as gac, quartz sand are installed in this purifier, suspended substance, organism and heavy metal ion etc. in further filtering waste water, make germ in waste water lose carrier, more be conducive to sterilization, also can reduce the content of suspended substance in waste water, meet the requirement of new standard, purifier top can also arrange back-flushing outlet simultaneously, and be communicated with water reuse in realization with preaeration equalizing tank.
Described vertical sedimentation tank comprises pond body, water-in and water outlet, body bottom, described pond is provided with sludge bucket, this body top, pond is provided with water leg, described water outlet is communicated with this water leg, in the body of described pond, the top of sludge bucket is provided with water distributing pipe, this water distributing pipe is communicated with described water-in, and described water distributing pipe is gradually large ring texture of from-inner-to-outer ring footpath, and is provided with limbers on the interior outboard tube wall of this water distributing pipe.
Adopt said structure, sewage is in water-in flows into water distributing pipe, water distributing pipe in horizontal plane to interior curling, the interior ring texture increasing gradually to external loop diameter of serving as reasons, be in the shape of a spiral curling, sewage is in water distributing pipe, flow out limbers on outer side wall, the water flowing out in limbers on limbers on the outer side wall of water distributing pipe inner ring and the inner side-wall of outer ring forms and liquidates, homogeneous radiation, and sedimentation downwards gradually, make even water distribution, flow velocity is little, streamflow regime is stable, in decline precipitation process, reduced the interference to settling region, make sedimentation effect good, adopt after the water distributing pipe of said structure, settling tank internal diameter can reach 8～23m, the height of settling tank can be accomplished 6m left and right, be applicable to big-and-middle-sized sewage works.Limbers on limbers on the outer side wall of this water distributing pipe inner ring and the inner side-wall of outer ring can be oppositely arranged, and also can stagger.
Described water leg comprises periphery water leg and center water leg, described periphery water leg is positioned at body upper end, pond, be connected with pond body inwall, described center water leg is positioned at periphery water leg and communicates with periphery water leg, this center water leg is cruciform or strip structure, described water distributing pipe top is also provided with reflector, and this reflector is taper, and top is connected with water leg lower end, center by vertical support; In the body of described pond, be provided with shore pipe, this shore pipe lower end is positioned at sludge bucket, and upper end protrudes upward pond body, and this shore pipe sidewall is also connected with air lift arm, on this air lift arm, is provided with magnetic valve.
Adopt said structure, the water flowing out in water distributing pipe, through reflector interception and the buffering of top, can reduce its flow velocity, most suspended particle etc. can be tackled in reflector below simultaneously, is conducive to the precipitate and separate of suspended substance.Water outlet is completed and is catchmented by periphery water leg and center water leg, and in water leg, buffering excessively flows out by water outlet, and water outlet all even flow velocity is less, guarantees water outlet velocity-stabilization, reduces the impact that precipitation is produced; Reflector is downward opening taper, and the support of this reflector top by vertical setting be connected with water leg lower end, center, between this reflector edge and pond body inwall, has gap.Be convenient to slow down current lift velocity, precipitation was descended better, the circular cone drift angle of reflector can be 160 °, described limbers is uniform along the length direction of water distributing pipe, mud precipitate and separate in vertical sedimentation tank that biological contact oxidation pond produces, clear water enters quantitative pond, and the mud in vertical sedimentation tank is promoted and is back to biological contact oxidation pond by air-lift device, and excess sludge enters sludge sump.
Also comprise blower fan, described blower fan air feed outlet is connected with air main, on this air main, be connected with two branch wind pipes, two described branch wind pipes are communicated with the aeration webmaster that is arranged on preaeration equalizing tank and biological contact oxidation pond bottom respectively, on described air main and branch wind pipe, be provided with gate valve, described air lift arm is communicated with air main.
Blower fan provides air by air main and branch wind pipe for preaeration equalizing tank and biological contact oxidation pond, and blower fan provides power by air lift arm for the mud air-lift device in vertical sedimentation tank, and mud air-lift device can be made by engineering plastics, corrosion-resistant, and the life-span is long; Unique large latus rectum design more can prevent from stopping up than water pump; Rely on blower fan overbottom pressure as power, save energy consumption; Rely on electrical ball valve to control the extracting time, move more flexibly, level of automation is high, and the extracting of assurance mud is clean, prevents deposition; And inner machinery-free moving parts, maintenance free trouble.
Also comprise sludge sump, this sludge sump is communicated with the shore pipe of described vertical sedimentation tank by pipeline, and this shore pipe is also communicated with described anoxic pond and biological contact oxidation pond.
On the pipeline that the shore pipe of vertical sedimentation tank is communicated with sludge sump, anoxic pond and biological contact oxidation pond, gate valve is set respectively, be convenient to control break-make, for effectively removing the phosphorus in biological contact oxidation pond, regularly by vertical sedimentation tank bottom sludge reflux to aeration tank, by aerobic bacteria, decomposes absorption pollution substance phosphorus.In vertical sedimentation tank, seldom, mud is stable for surplus sludge volume, can accumulate in for a long time in sludge sump, only need regularly clear convenient management.
Also comprise chlorine dioxide generator, described chlorine dioxide generator is communicated with pre-sterilization pool and disinfecting tank respectively by pipeline, for pre-sterilization pool and disinfecting tank provide dioxide peroxide to carry out disinfection, at chlorine dioxide generator, be provided with ball valve with on sterilization pool is connected with disinfecting tank in advance pipeline.
By chlorine dioxide generator is set, for pre-sterilization pool and disinfecting tank provide sterilizing agent, can control by automatization, realize adding at regular time and quantity, reduce hand labor intensity, dioxide peroxide has the function of high-efficient oxidant, sterilizing agent and SYNTHETIC OPTICAL WHITNER; As oxidation agent, in the product that it is oxidized without organic chloride; As sterilizing agent, it has the sterilisation effect of broad spectrum, and sterilization effect is good, throws in simply, not affected by PH.
Also be provided with sampling well, the water outlet in described dechlorination pond is communicated with the water-in of sampling well, and the water outlet of described sampling well is communicated with municipal drainage system.
Whether sampling well is set is convenient to the sewage sampling after processing to detect up to standard.
Also be provided with Scatula and dechlorinating agent medicine-chest, on described Scatula, be provided with dechlorinating agent entrance and dechlorinating agent outlet, described dechlorinating agent outlet is communicated with dechlorinating agent medicine-chest by the road, the outlet of this dechlorinating agent medicine-chest is communicated with dechlorination pond by pipeline, on the pipeline being connected with dechlorinating agent medicine-chest at Scatula, be provided with ball valve, on the pipeline being connected with dechlorination pond at dechlorinating agent medicine-chest, be provided with magnetic valve.
By Scatula, prepare dechlorinating agent, through pipeline, send into dechlorinating agent medicine-chest, dechlorinating agent medicine-chest provides dechlorinating agent to dechlorination pond, can be by controlling dechlorinating agent medicine-chest, control the add-on of dechlorinating agent and add interval time, be convenient to automatic management, reduce hand labor intensity, the break-make of ball valve and solenoid control pipeline.
Also be provided with flocculation agent medicine-chest, this flocculation agent medicine-chest and described quantitative pond, by pipeline connection, are provided with magnetic valve on the pipeline being connected at flocculation agent medicine-chest with quantitative pond.
By flocculation agent medicine-chest, in quantitative pond, add flocculation agent, be convenient to management and automatically control, can pass through the break-make of its pipeline of solenoid control.
Can also at dentistry Sewage outlet, photo lab Sewage outlet and laboratory Sewage outlet, establish the pre-treatment that collection device carries out waste water as required, guarantee heavy metal ions in wastewater qualified discharge, process water outlet and enter septic tank; At radiology department's Sewage outlet, increase decay pond, guarantee that in waste water, radioactive indicator rear water outlet up to standard enters septic tank, in the sick section of infection, water outlet increases pre-sterilizing unit, and the transmissible disease waste water after sterilization enters septic tank.
The beneficial effects of the utility model are: level of automation is high, be convenient to management, reduce operator, compare with traditional sewage plant management system, have energy-conservationly, reduce working time, reduce the advantages such as personnel's order of classes or grades at school and labour intensity, good purification, after processing, discharge index reaches discharging standards.
Accompanying drawing explanation
Fig. 1 structural representation of the present utility model;
Fig. 2 is wastewater treatment process figure of the present utility model;
Fig. 3 is vertical sedimentation tank structural representation in the utility model;
Fig. 4 is the vertical view of Fig. 3;
Fig. 5 is the structural representation of water distributing pipe.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail:
As shown in Figure 1, a kind of hospital sewage disposal system, comprise by effluent stream to passing through successively the grille well 1 of pipeline connection, pre-sterilization pool 2, septic tank 3, preaeration equalizing tank 4, anoxic pond 5, biological contact oxidation pond 6, vertical sedimentation tank 7, quantitative pond 8, purifier 9, disinfecting tank 10, dechlorination pond 11, sampling well 15, described grille well 1 is communicated with hospital sewage drainage pipeline, hospital sewage after processing enters sampling well 15 behind dechlorination pond 11, the water outlet of sampling well 15 is communicated with municipal drainage system, quantitatively discharge.
As shown in Figures 3 to 5, vertical sedimentation tank 7 comprises round shape pond body 71, water-in 72 and water outlet 73, body 71 bottoms, described pond are provided with sludge bucket 74, these pond body 71 upper ends are provided with periphery water leg 78 and are criss-cross center water leg 79, periphery water leg 78 is connected with pond body 71 inwalls, described center water leg 79 is positioned at periphery water leg 78 and communicates with periphery water leg 79, water outlet 73 is communicated with periphery water leg 78, the top of described pond body 71 interior sludge buckets 74 is provided with water distributing pipe 75, this water distributing pipe 75 is communicated with water-in 72 by vertical vertical tube 712, described water distributing pipe 75 is gradually large ring texture of from-inner-to-outer ring footpath, in horizontal plane to interior in the shape of a spiral curling, water distributing pipe 75 outer rings and the 71 inwall laminatings of pond body, and in this water distributing pipe 75, on the tube wall of outside, be provided with limbers, this limbers is uniform along the length direction of water distributing pipe 75.
Arrow direction indication shown in Fig. 5 is the flow direction of sewage after flow out the limbers of water distributing pipe 75, the water flowing out in limbers on limbers on the outer side wall of water distributing pipe 75 inner rings and the inner side-wall of outer ring forms and liquidates, homogeneous radiation, and sedimentation downwards gradually, make even water distribution, flow velocity little, reduced the interference to settling region, reflector 76 interceptions and the buffering of mobile water through water distributing pipe 75 tops makes progress, can reduce its flow velocity, most suspended particle etc. can be tackled in reflector 76 belows simultaneously, the precipitate and separate that is conducive to suspended substance, the inflow water leg that catchments on top, current are further cushioned, make water outlet flowing water Speed Reduction, reduce the interference to precipitation, this vertical sedimentation basin reasonable in design, even water distribution, Inlet and outlet water flow velocity is little, streamflow regime is stable, sedimentation effect is fine, there is no short circuit and dead band, the capacity utilization of settling tank is high, and there is higher surface load, break through the little restriction in footpath, traditional vertical sedimentation basin pond, can, when guaranteeing that sedimentation effect is good, make the settling tank that diameter is larger.
As shown in Figure 1, the shore pipe 710 of described vertical sedimentation tank 7 is by pipeline connection sludge sump 13, this shore pipe 710 is also communicated with described anoxic pond 5 and biological contact oxidation pond 6, sludge part in vertical sedimentation tank is back to anoxic pond 5 and biological contact oxidation pond 6, remainder flows into sludge sump 13, regularly clears.
Further as shown in Figure 1, also comprise blower fan 12, chlorine dioxide generator 14, Scatula 16, dechlorinating agent medicine-chest 17 and flocculation agent medicine-chest 18, described blower fan 12 air feed outlets are connected with air main, on this air main, be connected with two branch wind pipes and an air lift arm, two described branch wind pipes are communicated with the aeration webmaster that is arranged on preaeration equalizing tank 4 and biological contact oxidation pond 6 bottoms respectively, on described air main and branch wind pipe, be provided with gate valve, described air lift arm is communicated with the shore pipe of vertical sedimentation tank 7, on this air lift arm, is provided with magnetic valve.
Chlorine dioxide generator 14 is communicated with pre-sterilization pool 2 and disinfecting tank 10 respectively by pipeline, for pre-sterilization pool 2 and disinfecting tank 10 provide dioxide peroxide to carry out disinfection, at chlorine dioxide generator 14, be provided with ball valve with on sterilization pool 2 is connected with disinfecting tank 10 in advance pipeline.
On Scatula 16, be provided with dechlorinating agent entrance and dechlorinating agent outlet, described dechlorinating agent outlet is communicated with dechlorinating agent medicine-chest 17 by the road, the outlet of this dechlorinating agent medicine-chest 17 is communicated with dechlorination pond 11 by pipeline, be used for adding dechlorinating agent, on the pipeline being connected with dechlorinating agent medicine-chest 17 at Scatula 16, be provided with ball valve, on the pipeline being connected with dechlorination pond 11 at dechlorinating agent medicine-chest 17, be provided with magnetic valve.
Flocculation agent medicine-chest 18 by pipeline connection, is provided with magnetic valve on the pipeline being connected with described quantitative pond 8 at flocculation agent medicine-chest 18 with quantitative pond 8, can, by flocculation agent medicine-chest 18 to quantitative pond 8 interpolation flocculation agent at regular time and quantity, be convenient to control and management.
Described purifier 9 bottoms arrange water-in, middle part is provided with gac or quartz sand filler, top sets out the mouth of a river, these purifier 9 bottoms are also provided with discharge outlet, the water-in of described purifier 9 is communicated with the water outlet in quantitative pond 8 by pipeline, and the water outlet of this purifier 9 is communicated with the water-in of disinfecting tank 10.
As shown in Figure 2, the waste water of hospital is collected to enter in grille well 1 through pipeline and is removed after foreign material by thin grid, inflow is added with the pre-sterilization pool 2 of dioxide peroxide, carry out disinfecting in advance early stage, sewage after sterilization flows into septic tank 3, effect by precipitation is first held back organic solid pollutent, then the effect of passing through anaerobion is by organic matter degradation, sewage after septic tank 3 is processed enters the preaeration equalizing tank 4 regulating water quality water yields, in pond, carry out preaeration simultaneously, and suspended substance in further sedimentation water, sewage after preaeration equalizing tank 4 regulates enters anoxic pond 5, the acidication bacterium growing in pond, larger molecular organics in water is changed into micromolecular organism, be convenient to follow-up aerobic treatment, anoxic pond 5 water outlets enter biological contact oxidation pond 6, Chi Zhongzhong drops into biologic packing material, microporous membrane aeration head is installed, by blower fan, blast air, bacterium at filler along with biofilm is grown, organism in water is decomposed into mud and inorganic gas as CO2 by microorganism, thereby reaches organic object in degradation water, biological contact oxidation pond 6 water outlets enter vertical sedimentation tank 7, mounting center water inlet pipe 7 in vertical sedimentation tank 7, sewage is after center water inlet pipe flows into, through reflector, be to upper reaches and flow to water leg downwards, then from water outlet, flow out, mud sinks to sludge bucket, mud precipitate and separate in vertical sedimentation tank 7 that biological contact oxidation pond 6 produces, clear water enters quantitative pond 8, mud in vertical sedimentation tank 7 is promoted and is back to biological contact oxidation pond 6 and anoxic pond 5 by air-lift device, excess sludge enters sludge sump 13, regularly clears, quantitatively in pond 8, lift pump is being installed, waste water lifting is arrived to purifier 9, suspended substance, organism and the heavy metal ion etc. of waste water in the further filtering waste water of purifier 9, make germ in waste water lose carrier, flow into disinfecting tank 10 again and carry out secondary sterilization processing, the water outlet of disinfecting tank 10 flows into after 11 dechlorinations of dechlorination pond, enters sampling pond 15, sampling realizes qualified discharge after detecting.
Claims (10)
1. a hospital sewage disposal system, it is characterized in that: comprise by effluent stream to the grille well (1) by pipeline connection successively, pre-sterilization pool (2), septic tank (3), preaeration equalizing tank (4), anoxic pond (5), biological contact oxidation pond (6), vertical sedimentation tank (7), quantitatively pond (8), purifier (9), disinfecting tank (10), dechlorination pond (11), described grille well (1) is communicated with hospital sewage drainage pipeline, and the hospital sewage after processing is discharged after dechlorination pond (11).
2. hospital sewage disposal system according to claim 1, it is characterized in that: described purifier (9) bottom arranges water-in, middle part is provided with gac or quartz sand filler, top sets out the mouth of a river, this purifier (9) bottom is also provided with discharge outlet, the water-in of described purifier (9) is communicated with the water outlet in quantitative pond (8) by pipeline, and the water outlet of this purifier (9) is communicated with the water-in of disinfecting tank (10).
3. hospital sewage disposal system according to claim 1 and 2, it is characterized in that: described vertical sedimentation tank (7) comprises pond body (71), water-in (72) and water outlet (73), described pond body (71) bottom is provided with sludge bucket (74), this pond body (71) top is provided with water leg, described water outlet (73) is communicated with this water leg, the top of the interior sludge bucket of described pond body (71) (74) is provided with water distributing pipe (75), this water distributing pipe (75) is communicated with described water-in (72), described water distributing pipe (75) is gradually large ring texture of from-inner-to-outer ring footpath, and be provided with limbers on the interior outboard tube wall of this water distributing pipe (5).
4. hospital sewage disposal system according to claim 3, it is characterized in that: described water leg comprises periphery water leg (78) and center water leg (79), described periphery water leg (78) is positioned at pond body (71) upper end, be connected with pond body (71) inwall, described center water leg (79) is positioned at periphery water leg (78) and communicates with periphery water leg (79), this center water leg (79) is cruciform or strip structure, described water distributing pipe (75) top is also provided with reflector (76), this reflector (76) is taper, top is connected with center water leg (79) lower end by vertical support (77), in described pond body (71), be provided with shore pipe (710), this shore pipe (710) lower end is positioned at sludge bucket (74), upper end protrudes upward pond body (71), and this shore pipe (710) sidewall is also connected with air lift arm (711), on this air lift arm (711), is provided with magnetic valve.
5. according to hospital sewage disposal system claimed in claim 4, it is characterized in that: also comprise blower fan (12), the outlet of described blower fan (12) air feed is connected with air main, on this air main, be connected with two branch wind pipes, two described branch wind pipes are communicated with the aeration webmaster that is arranged on preaeration equalizing tank (4) and biological contact oxidation pond (6) bottom respectively, on described air main and branch wind pipe, be provided with gate valve, described air lift arm is communicated with air main.
6. hospital sewage disposal system according to claim 5, it is characterized in that: also comprise sludge sump (13), this sludge sump (13) is communicated with the shore pipe (710) of described vertical sedimentation tank (7) by pipeline, and this shore pipe (710) is also communicated with described anoxic pond (5) and biological contact oxidation pond (6).
7. hospital sewage disposal system according to claim 1, it is characterized in that: also comprise chlorine dioxide generator (14), described chlorine dioxide generator (14) is communicated with pre-sterilization pool (2) and disinfecting tank (10) respectively by pipeline, for pre-sterilization pool (2) and disinfecting tank (10) provide dioxide peroxide to carry out disinfection, at chlorine dioxide generator (14), be provided with ball valve with on sterilization pool (2) is connected with disinfecting tank (10) in advance pipeline.
8. hospital sewage disposal system according to claim 1, it is characterized in that: also comprise sampling well (15), the water outlet in described dechlorination pond (11) is communicated with the water-in of sampling well (15), and the water outlet of described sampling well (15) is communicated with municipal drainage system.
9. hospital sewage disposal system according to claim 1, it is characterized in that: also comprise Scatula (16) and dechlorinating agent medicine-chest (17), on described Scatula (16), be provided with dechlorinating agent entrance and dechlorinating agent outlet, described dechlorinating agent outlet is communicated with dechlorinating agent medicine-chest (17) by the road, the outlet of this dechlorinating agent medicine-chest (17) is communicated with dechlorination pond (11) by pipeline, on the pipeline being connected with dechlorinating agent medicine-chest (17) at Scatula (16), be provided with ball valve, on the pipeline being connected with dechlorination pond (11) at dechlorinating agent medicine-chest (17), be provided with magnetic valve.
10. hospital sewage disposal system according to claim 1, it is characterized in that: also comprise flocculation agent medicine-chest (18), this flocculation agent medicine-chest (18) by pipeline connection, is provided with magnetic valve on the pipeline being connected with described quantitative pond (8) at flocculation agent medicine-chest (18) with quantitative pond (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320424097.XU CN203411438U (en) | 2013-07-16 | 2013-07-16 | Hospital sewage treatment system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320424097.XU CN203411438U (en) | 2013-07-16 | 2013-07-16 | Hospital sewage treatment system |
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| CN203411438U true CN203411438U (en) | 2014-01-29 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103319056A (en) * | 2013-07-16 | 2013-09-25 | 重庆泰克环保工程设备有限公司 | Hospital sewage treatment system |
| CN104020068A (en) * | 2014-04-29 | 2014-09-03 | 首钢总公司 | Device and method for detecting dechlorinating performance of dechlorinating agent |
-
2013
- 2013-07-16 CN CN201320424097.XU patent/CN203411438U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103319056A (en) * | 2013-07-16 | 2013-09-25 | 重庆泰克环保工程设备有限公司 | Hospital sewage treatment system |
| CN104020068A (en) * | 2014-04-29 | 2014-09-03 | 首钢总公司 | Device and method for detecting dechlorinating performance of dechlorinating agent |
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