CN204702605U - A kind of buried type integrated medical waste water treatment system - Google Patents
A kind of buried type integrated medical waste water treatment system Download PDFInfo
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- CN204702605U CN204702605U CN201520379913.9U CN201520379913U CN204702605U CN 204702605 U CN204702605 U CN 204702605U CN 201520379913 U CN201520379913 U CN 201520379913U CN 204702605 U CN204702605 U CN 204702605U
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Abstract
The utility model proposes a kind of buried type integrated medical waste water treatment system, comprise the pretreatment unit, coagulating sedimentation unit, disinfection unit and the tail gas disposal unit that are linked in sequence, separated by next door between unit; Pretreatment unit comprises grating tank, mechanical grille, water inlet pipe, adjustment balancing reservoir, machine mixer, sinking submersible sewage pump and waste pipe; Coagulating sedimentation unit comprises flocculation agent chemicals feeder, coagulant aids chemicals feeder, Frame type stirrer, coagulation reaction tank, mixed liquid pipe, vertical sedimentation tank, upflow tube and blow-off pipe; Disinfection unit comprises sterilization pool and chlorine dioxide generator; Tail gas disposal unit is tail gas deodorizer and exhaust collection pipe; This system also comprises sludge reflux and clears up unit; It is septic tank that sludge reflux clears up unit.The utility model integration Medical Wastewater Disposal System reduces sludge condensation and sludge dewatering treatment system, has less energy-consumption, low running cost, low capital cost, few occupation of land, convenient management, stable advantage.
Description
Technical field
The utility model relates to a kind of buried type integrated medical waste water treatment system, belongs to Hospital Sewage Treatment field.
Background technology
Hospital sewage is divided into non-infectious medical sewage and infectious medical sewage by its character, is divided into discharge indirectly and directly discharge two kinds according to its discharging modes.The municipal sewage plant being all configured with considerable scale of current County finance, so hospital's blowdown of more than 95% all enters in Municipal pipe network, is then delivered to municipal sewage plant, belongs to indirect discharge.The hospital sewage of indirect discharge generally all adopts primary reinforcement treatment process, and the sewage through primary reinforcement process reaches the pre-treatment limited value of discharge standard of non-infectious general practice sewage in " Discharge standard of water pollutants for medical organization " (GB18466-2005).Conventional primary reinforcement treatment system is grid+equalizing tank+coagulating sedimentation+sterilize is main technique, sewage after sterilization directly enters in city planting ductwork, be delivered in municipal sewage plant nearby by pipe network, the mud that system produces in operational process enters in the sludge sump arranged separately, mud in sludge sump is after sludge disposal system processed, dispose being transported to professional institution outside the mud cake after dehydration, the waste gas that system produces is outer row after flare system is disposed.
Conventional stage intensive treatment system is made up of a series of process structures according to spatial arrangement (as equalizing tank, settling tank, sterilization pool etc.), equipment (as water pump, stirrer, chemicals feeder etc.) and auxiliary construction (as between dosing, between sludge dewatering etc.), and connected by pipeline, need a large amount of construction to drop into and the longer construction period.Conventional stage intensive treatment system operationally, can supervene more excess sludge, accounts for 0.3% ~ 0.5%(water ratio of the process water yield 98%) left and right, after the process of sludge disposal system, water ratio can be down to less than 75%.Dewatered sludge needs to dispose with enclosed vehicle outward transport, in outward transport process, easily form pollution transportation or contamination, not fundamentally contaminated solution problem.
Utility model content
The purpose of this utility model is to provide one, solve sludge yield in conventional stage strengthening treatment process too high, corresponding sludge treating block need be set specially and easily produce the technical problem of contamination or pollution transportation.
For achieving the above object, the utility model proposes a kind of buried type integrated medical waste water treatment system, it is the rectangular parallelepiped of concrete for making, comprises the pretreatment unit, coagulating sedimentation unit, disinfection unit and the tail gas disposal unit that are linked in sequence, separated by next door between unit;
Pretreatment unit comprises grating tank, mechanical grille, water inlet pipe, adjustment balancing reservoir, machine mixer, sinking submersible sewage pump and waste pipe; Mechanical grille is placed in grating tank, and the bottom of grating tank is provided with water inlet pipe, and water inlet pipe is connected with adjustment balancing reservoir, and machine mixer and sinking submersible sewage pump are placed in and regulate balancing reservoir, and sinking submersible sewage pump is provided with waste pipe;
Coagulating sedimentation unit comprises flocculation agent chemicals feeder, coagulant aids chemicals feeder, Frame type stirrer, coagulation reaction tank, mixed liquid pipe, vertical sedimentation tank, upflow tube and blow-off pipe; Described waste pipe is connected with coagulation reaction tank; The middle part of coagulation reaction tank is provided with mixed liquid pipe; Mixed liquid pipe is connected with vertical sedimentation tank; Flocculation agent chemicals feeder and coagulant aids chemicals feeder are placed in the top of coagulation reaction tank; Frame type stirrer is arranged in coagulation reaction tank; Upflow tube and blow-off pipe is respectively equipped with in the middle part of vertical sedimentation tank;
Disinfection unit comprises sterilization pool and chlorine dioxide generator; Chlorine dioxide generator is positioned at the top of sterilization pool, and described upflow tube is connected with sterilization pool;
Tail gas disposal unit is tail gas deodorizer and exhaust collection pipe; Tail gas deodorizer is placed in the top of grating tank, and middle part is provided with exhaust collection pipe, and described exhaust collection pipe is connected with grating tank;
This system also comprises sludge reflux and clears up unit; It is septic tank that sludge reflux clears up unit; Described blow-off pipe is connected with septic tank.
Preferred technical scheme: mechanical grille is rotary machine grid, arm-type mechanical grille or chain type mechanical grille.
Stirrer is Frame type stirrer or anchor agitator.
Compared with prior art the utility model has following characteristics and beneficial effect:
The utility model integration Medical Wastewater Disposal System is compared with regular medication Sewage treatment systems, there is the advantage of several respects: 1. the utility model integration Medical Wastewater Disposal System reduces sludge condensation and sludge dewatering treatment system, there is less energy-consumption, low running cost, low capital cost, few occupation of land, convenient management, stable advantage.2. the utility model integration Medical Wastewater Disposal System has flocculation reaction and stablizes, and cotton-shaped alumen ustum sedimentation is thorough, the advantage that pollutants removal rate is high.3. the double ion tail gas deodorization and disinfection machine selected of the utility model integration Medical Wastewater Disposal System, sterilizing function is realized while deodorizing, namely the object of deodorizing is reached, the pathogenic bacterium in sewage plant can be avoided to be spread by airborne transmission simultaneously, thoroughly stop the adverse consequences of secondary pollution or contamination from source.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in more detail.
Fig. 1 is structural representation of the present utility model.
Reference numeral: 11-grating tank, 12-mechanical grille, 13-water inlet pipe, 14-adjustment balancing reservoir, 15-machine mixer,
16-sinking submersible sewage pump, 17-waste pipe; 21-flocculation agent chemicals feeder, 22-coagulant aids chemicals feeder, 23-Frame type stirrer, 24-coagulation reaction tank, 25-mix liquid pipe, 26-vertical sedimentation tank, 27-upflow tube, 28-blow-off pipe; 31-sterilization pool,
32-chlorine dioxide generator; 41-septic tank; 51-tail gas deodorizer, 52-exhaust collection pipe.
Embodiment
Embodiment
As shown in Figure 1,
The utility model proposes a kind of buried type integrated medical waste water treatment system, it is the rectangular parallelepiped of concrete for making, comprise the pretreatment unit, coagulating sedimentation unit, disinfection unit and the tail gas disposal unit that are linked in sequence, separated by next door between unit;
Pretreatment unit comprises grating tank 11, mechanical grille 12, water inlet pipe 13, regulates balancing reservoir 14, machine mixer 15, sinking submersible sewage pump 16 and waste pipe 17; Mechanical grille 12 is placed in grating tank 11, and the bottom of grating tank 11 is provided with water inlet pipe 13, and water inlet pipe 13 is connected with adjustment balancing reservoir 14, and machine mixer 15 and sinking submersible sewage pump 16 are placed in and regulate balancing reservoir 14, and sinking submersible sewage pump 16 is provided with waste pipe 17;
Coagulating sedimentation unit comprises flocculation agent chemicals feeder 21, coagulant aids chemicals feeder 22, Frame type stirrer 23, coagulation reaction tank 24, mixed liquid pipe 25, vertical sedimentation tank 26, upflow tube 27 and blow-off pipe 28; Described waste pipe 17 is connected with coagulation reaction tank 24; The middle part of coagulation reaction tank 24 is provided with mixed liquid pipe 25; Mixed liquid pipe 25 is connected with vertical sedimentation tank 26; Flocculation agent chemicals feeder 21 and coagulant aids chemicals feeder 22 are placed in the top of coagulation reaction tank 24; Frame type stirrer 23 is arranged in coagulation reaction tank 24; Upflow tube 27 and blow-off pipe 28 is respectively equipped with in the middle part of vertical sedimentation tank 26;
Disinfection unit comprises sterilization pool 31 and chlorine dioxide generator 32; Chlorine dioxide generator 32 is positioned at the top of sterilization pool 31, and described upflow tube 27 is connected with sterilization pool 31;
Tail gas disposal unit is tail gas deodorizer 51 and exhaust collection pipe 52; Tail gas deodorizer 51 is placed in the top of grating tank 11, and middle part is provided with exhaust collection pipe 52, and described exhaust collection pipe 52 is connected with grating tank 11;
This system also comprises sludge reflux and clears up unit; It is septic tank 41 that sludge reflux clears up unit; Described blow-off pipe 28 is connected with septic tank 41.The submersible sewage pump of its mechanical stirring mainly through pretreatment unit and coagulating sedimentation unit is cleared up piping system with sludge reflux and is connected, and is returned in septic tank by mud and clears up.
Septic tank belongs to the initial stage sewage disposal stage, can remove the suspended impurity (ight soil, larger protozoon etc.) of 50%, and make deposition under anaerobic be decomposed into steady state.Its precipitation principle is similar to rectangular sedimentation tank, is divided into acid fermentation and two stages of alkaline fermentation.First stage is the acid fermentation stage, produces H
2obnoxious flavour and the rotten odors such as S, mercaptan, indoles, skatole, fecal sewage pH is 5.0 ~ 6.0.After suspended impurity absorption bubble is bubbled through the water column, sink to because of air release again at the bottom of pond, the plunging motion of circulation makes suspended impurity block diminish gradually, and the parasitic ovum in excrement block is also peeled off thereupon and sunk at the bottom of pond.Subordinate phase is the alkaline fermentation stage, and the amino acid that the first stage produces is decomposed into CO under methyl effect
2, CH
4, ammonia, in pond, liquid manure pH is about 7.5.For reducing the duration of contact of sewage and mud, also make acid fermentation, alkaline fermentation two processes do not interfere with each other, and be convenient to draw clearly, septic tank generally establishes two lattice or three lattice.
In sewage disposal station sedimentation basin, the mud of deposition is delivered in septic tank second lattice by power-equipment (i.e. sludge pump), add the anaerobic sludge concentration under acidulated condition, improve acidifying fermentation speed, the gas volume of release has obvious increase, is conducive to fast decoupled suspended impurity block.Recharge the thickness that will to the mud of septic tank adds Sludge Bed in septic tank, improve the volumetric loading of septic tank, the volumetric loading in acid fermentation stage can be increased to 12kgCOD/m simultaneously
3.d, the sludge concentration of traditional septic tank is only 2 ~ 5kgCOD/m
3.d, volumetric loading improves 6 times.The clearance of pollutent is increased to 20 ~ 25% from original 15%.
The raising of septic tank volumetric loading decreases the mud generation of septic tank, has also cleared up the mud in sewage works operational process simultaneously.
Utilize the acid fermentation flora of septic tank, PAC and PAM added in being run by sewage works is decomposed in septic tank, is decomposed into small molecules organic pollutant simultaneously, and the system of avoiding adds the secondary pollution of medicine formation or new source of pollution.
Preferably, mechanical grille 12 is rotary machine grid, arm-type mechanical grille or chain type mechanical grille.Stirrer 23 is Frame type stirrer or anchor agitator.
Pretreatment unit, balancing reservoir is regulated in employing tradition, process is optimized to pond body internal structure, mechanical stirring device is set, auxiliary choking wall, by the thorough homogenizing water quality of non-infectious medical sewage that enters integrated effluent disposal system and the water yield, prevents suspended substance sedimentation simultaneously, to ensure bottom equalizing tank not settled sludge, be promoted in follow-up coagulative precipitation tank by sinking submersible sewage pump after suspended substance mixes with sewage and carry out precipitation process.
Coagulative precipitation tank comprises two processing units, be divided into coagulation reaction tank and vertical sedimentation tank two sub-processing units, coagulation reaction tank adopts traditional reaction tank structure, only on the medicament added, carry out optimum combination, adding PAC(polymerize aluminum chloride) on the basis of flocculation agent, assist and add PAM(anionic polyacrylamide) coagulant aids, two kinds of medicaments successively in water with sewage hybrid reaction, the formation of flco is promoted by coagulant aids, improve flocculation reaction environment, improve effect of settling, increase COD clearance.Settling tank adopts conventional vertical sedimentation tank, only be optimized design in spoil disposal link, conventional sludge discharge way is, by gravity or power mode, mud is drained into sludge thickener, mud after concentration is after sludge dewatering system, filtrate is back to Sewage treatment systems secondary treatment, water ratio is transported outward lower than the mud cake of 75%, optimization at this element in the utility model integrated effluent disposal system mainly changes sludge drainage system, cancel sludge thickener and follow-up sludge disposal system, mud is delivered in septic tank by power-equipment, the metabolism of the anerobe of septic tank is utilized to clear up mud, reduce system sludge generation.This improves the floor space can saving integrated effluent disposal system on the one hand, can save construction investment about 10% on the other hand.
Tail gas treating unit adopts novel energetic ion tail gas disinfecting, deodorizing machine.The deodoration system of the utility model integrated effluent disposal system adopts novel double ion tail gas deodorization and disinfection machine, and its cardinal principle is under high-voltage electric field effect, produces the positive and negative oxonium ion in a large number with very strong oxidisability.These ions can pollute the foul smell factor at extremely short time internal oxidition, decomposition thiomethyl alcohol, ammonia, hydrogen sulfide, ethers, amine etc., open the chemical bond of volatile organic compounds, final generation carbonic acid gas and water etc. stablize harmless small molecules, thus reach the object of purifying malodorous gas.
Claims (3)
1. a buried type integrated medical waste water treatment system, the rectangular parallelepiped of concrete for making, comprises the pretreatment unit, coagulating sedimentation unit, disinfection unit and the tail gas disposal unit that are linked in sequence, separated by next door between unit; It is characterized in that,
Pretreatment unit comprises grating tank (11), mechanical grille (12), water inlet pipe (13), regulates balancing reservoir (14), machine mixer (15), sinking submersible sewage pump (16) and waste pipe (17); Mechanical grille (12) is placed in grating tank (11), the bottom of grating tank (11) is provided with water inlet pipe (13), water inlet pipe (13) is connected with adjustment balancing reservoir (14), machine mixer (15) and sinking submersible sewage pump (16) are placed in and regulate balancing reservoir (14), and sinking submersible sewage pump (16) is provided with waste pipe (17);
Coagulating sedimentation unit comprises flocculation agent chemicals feeder (21), coagulant aids chemicals feeder (22), Frame type stirrer (23), coagulation reaction tank (24), mixed liquid pipe (25), vertical sedimentation tank (26), upflow tube (27) and blow-off pipe (28); Described waste pipe (17) is connected with coagulation reaction tank (24); The middle part of coagulation reaction tank (24) is provided with mixed liquid pipe (25); Mixed liquid pipe (25) is connected with vertical sedimentation tank (26); Flocculation agent chemicals feeder (21) and coagulant aids chemicals feeder (22) are placed in the top of coagulation reaction tank (24); Frame type stirrer (23) is arranged in coagulation reaction tank (24); Vertical sedimentation tank (26) middle part is respectively equipped with upflow tube (27) and blow-off pipe (28);
Disinfection unit comprises sterilization pool (31) and chlorine dioxide generator (32); Chlorine dioxide generator (32) is positioned at the top of sterilization pool (31), and described upflow tube (27) is connected with sterilization pool (31);
Tail gas disposal unit is tail gas deodorizer (51) and exhaust collection pipe (52); Tail gas deodorizer (51) is placed in the top of grating tank (11), and middle part is provided with exhaust collection pipe (52), and described exhaust collection pipe (52) is connected with grating tank (11);
This system also comprises sludge reflux and clears up unit; It is septic tank (41) that sludge reflux clears up unit; Described blow-off pipe (28) is connected with septic tank (41).
2. system according to claim 1, is characterized in that, mechanical grille (12) is rotary machine grid, arm-type mechanical grille or chain type mechanical grille.
3. system according to claim 1, is characterized in that, stirrer (23) is Frame type stirrer or anchor agitator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520379913.9U CN204702605U (en) | 2015-06-04 | 2015-06-04 | A kind of buried type integrated medical waste water treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520379913.9U CN204702605U (en) | 2015-06-04 | 2015-06-04 | A kind of buried type integrated medical waste water treatment system |
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| Publication Number | Publication Date |
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| CN204702605U true CN204702605U (en) | 2015-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520379913.9U Expired - Fee Related CN204702605U (en) | 2015-06-04 | 2015-06-04 | A kind of buried type integrated medical waste water treatment system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105384281A (en) * | 2015-12-14 | 2016-03-09 | 河北航天环境工程有限公司 | Semi-buried integrated desulphurization wastewater treatment apparatus |
| CN110104835A (en) * | 2019-05-30 | 2019-08-09 | 锐彤环境科技南京有限公司 | Buried type integrated medical waste water processing system |
| CN117059292A (en) * | 2023-08-16 | 2023-11-14 | 西南科技大学 | Pretreatment system for solid-liquid separation of nuclear medical radioactive wastewater and application method |
-
2015
- 2015-06-04 CN CN201520379913.9U patent/CN204702605U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105384281A (en) * | 2015-12-14 | 2016-03-09 | 河北航天环境工程有限公司 | Semi-buried integrated desulphurization wastewater treatment apparatus |
| CN110104835A (en) * | 2019-05-30 | 2019-08-09 | 锐彤环境科技南京有限公司 | Buried type integrated medical waste water processing system |
| CN117059292A (en) * | 2023-08-16 | 2023-11-14 | 西南科技大学 | Pretreatment system for solid-liquid separation of nuclear medical radioactive wastewater and application method |
| CN117059292B (en) * | 2023-08-16 | 2024-03-29 | 西南科技大学 | Pretreatment system for solid-liquid separation of nuclear medical radioactive wastewater and application method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151014 |
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| CF01 | Termination of patent right due to non-payment of annual fee |