CN208829509U - A kind of medical waste water processing system - Google Patents

Abstract

The utility model discloses a kind of medical waste water processing system, including conditioning tank, hydrolytic tank, contact-oxidation pool, the pond MBR, sterilization pool and the backwash pond being sequentially communicated, and sludge reflux pump, backwash water pump, water inlet pipe and outlet pipe, conditioning tank is for liquid of releiving, hydrolytic tank is equipped with activated sludge, for hydrolysis acidification organic pollutant, contact-oxidation pool is equipped with oxidation module, for degradable organic pollutant, the pond MBR is equipped with MBR module, for retaining the impurity in liquid, sterilization pool is equipped with disinfectant component；Sludge reflux pump is set to the pond MBR and the connection hydrolytic tank, for transferring the sludge in the pond MBR to the hydrolytic tank；Backwash water pump is set to backwash pond and the connection pond MBR, for transferring the liquid in backwash pond to the pond MBR；Water inlet pipe is set to the upper end of conditioning tank one side wall；Outlet pipe is set to the one side wall in backwash pond.Technical solution provided by the utility model can efficient process medical waste water, and have the advantages that simple process, easy to operate.

Description

A kind of medical waste water processing system

Technical field

The utility model relates to technical field of waste water processing, in particular to a kind of medical waste water processing system.

Background technique

Medical waste water comes from hospital, containing a large amount of pathogenetic bacteria, virus and chemical agent, if directly arranged without processing Enter surrounding water or processing mode is improper, will cause the diffusion of the destruction and pathogenetic bacteria and virus of ambient enviroment.It passes System medical waste water processing system generally uses " grid+plus A/O+ sedimentation basin+filtration system+disinfection " technique, and the technique is more multiple It is miscellaneous, and there are more drawbacks, for example, traditional A/O+ precipitating pool process can generate larger amount of excess sludge；In order to reach compared with Good Nitrogen/Phosphorus Removal, can be arranged biggish reflux ratio, cause aerobic reaction tank bigger than normal, and occupied area increases；Traditional filtering System uses active carbon and quartz sand filtration, and entire filtration system controls cumbersome, operating difficulties, and the processing for increasing leading portion biochemistry is negative Lotus.

Utility model content

The main purpose of the utility model is to propose a kind of medical waste water processing system, it is intended to be solved at existing medical waste water There is bad water treatment effect, complex process and inconvenient in science and engineering skill.

To achieve the above object, the utility model proposes medical waste water processing system, comprising:

It is sequentially communicated conditioning tank, hydrolytic tank, contact-oxidation pool, the pond MBR, sterilization pool and the backwash pond of setting, wherein The conditioning tank is for liquid of releiving, and the hydrolytic tank is interior to be equipped with activated sludge, for the organic contamination in hydrolysis acidification liquid Object, the contact-oxidation pool is interior to be equipped with oxidation module, and for the organic pollutant in degradation liquid, MBR is equipped in the pond MBR Component is equipped with disinfectant component in the sterilization pool for retaining the impurity in liquid；

Sludge reflux pump is set to the pond MBR, and is connected to the hydrolytic tank, for transferring the sludge in the pond MBR To the hydrolytic tank；

Backwash water pump is set to the backwash pond, and is connected to the pond MBR, for by the liquid in the backwash pond It transfers to the pond MBR to remove the impurity on the MBR module；

Water inlet pipe set on the upper end of the conditioning tank one side wall, and is connected to the conditioning tank；And

Outlet pipe, the one side wall set on the backwash pond, and it is connected to the backwash pond.

Preferably, the medical waste water processing system further include:

Immersible pump set on the bottom of the conditioning tank, and is connected to the hydrolytic tank, for by the liquid in the conditioning tank It transfers to the hydrolytic tank；

Liquid level sensor is set to the conditioning tank, and has high level output end, and the high level output end is in the liquid Level sensor exports high level when sensing default liquid level；And

Relay, with the liquid level sensor common cathode, the normally opened contact of the relay is electrically connected at the diving Pump, and one end of the electromagnet of the relay and the high level output end are electrically connected, another termination common cathode.

Preferably, the water inlet pipe has the drain port being located in the conditioning tank；

The medical waste water processing system further includes grid device, and the grid device is set in the conditioning tank, will The conditioning tank is separated into close to the inner cavity of drain port section and far from the exocoel section of the drain port, is used for liquid Solid slag in body is trapped in the inner cavity section.

Preferably, the medical waste water processing system further includes mixing plant, and the mixing plant is set to the hydrolytic tank Bottom, the activated sludge to be dispersed in liquid.

Preferably, the upper end of the hydrolytic tank one side wall is equipped with the first drainpipe, and first drainpipe is connected to the water Contact-oxidation pool described in Xie Chihe；

Side wall below first drainpipe is equipped with slanting baffle, and the slanting baffle is upwards and towards far from described the The direction inclination of one drainpipe is extended, and is flowed to above the slanting baffle below the slanting baffle for hindering slow liquid.

Preferably, the oxidation module includes:

Biologic packing material is set in the contact-oxidation pool, for adsorbing the organic pollutant in liquid for microorganism drop Solution；And

First aeration component, including the first air blower, the first aeration tube and the first aeration plate, wherein described first exposes Gas disk is set to the catalytic oxidation bottom of pond portion, and first aeration tube is for being connected to first air blower and first exposure Gas disk.

Preferably, the MBR module includes:

MBR film group is set in the pond MBR, for retaining the impurity in liquid；And

Second aeration component, including the second air blower, the second aeration tube and the second aeration plate, wherein described second exposes Gas disk is set to the MBR bottom of pond portion, and second aeration tube is for being connected to second air blower and second aeration plate.

Preferably, the MBR film group is inclined to set relative to the side wall in the pond MBR.

Preferably, the disinfectant component is disinfectant liquid generator and/or ultraviolet generater.

Preferably, the conditioning tank, hydrolytic tank, contact-oxidation pool, the pond MBR, sterilization pool and the top in backwash pond are equal Equipped with inspection-pit and well lid, the well lid lid closes the inspection-pit setting；

Wherein, multiple gas vents have also been provided on the corresponding well lid of the contact-oxidation pool and the pond MBR.

In technical solution provided by the utility model, conditioning tank, hydrolytic tank, contact-oxidation pool, the pond MBR, sterilization pool and Backwash pond is sequentially communicated setting along liquid flow direction, makes the available sufficient purified treatment of liquid, meets national discharge Standard, then sludge reflux pump, the backwash water pump etc. that assist structure simple and be easy to configure help to reduce activated sludge damage Consumption, the filter efficiency for improving MBR module reduce dependence that personnel be manually operateds, have simple process, easy to operate excellent Point.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.

Fig. 1 is the planar structure schematic diagram of an embodiment of medical waste water processing system provided by the utility model；

Fig. 2 is the schematic diagram of an embodiment of liquid level control circuit provided by the utility model.

Drawing reference numeral explanation:

The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise Under every other embodiment obtained, fall within the protection scope of the utility model.

It is to be appreciated that if related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding, Afterwards ...), then directionality instruction is only used for explaining opposite between each component under a certain particular pose (as shown in the picture) Positional relationship, motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.

In addition, if relating to the description of " first ", " second " etc. in the utility model embodiment, " first ", " the Two " etc. description is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated meaning The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one A this feature.It in addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill Based on personnel can be realized, this technical side will be understood that when the combination of technical solution appearance is conflicting or cannot achieve The combination of case is not present, also not within the protection scope of the requires of the utility model.

Referring to Fig. 1, in the present embodiment, the medical waste water processing system 100 includes being sequentially communicated the adjusting of setting Pond 1, hydrolytic tank 2, contact-oxidation pool 3, the pond MBR 4, sterilization pool 5 and backwash pond 6 further include sludge reflux pump 45, backwash water Pump 61, water inlet pipe 11 and outlet pipe 62.It should be noted that the medical waste water in the present embodiment in all technical process Collectively termed as liquid, but the liquid is not only limited to the medical waste water of pure liquid form, is also not only limited to comprising being fixed into The medical waste water divided.In addition, in the utility model, the conditioning tank 1, hydrolytic tank 2, contact-oxidation pool 3, the pond MBR 4, sterilization pool 5 And the position setting in backwash pond 6 is with no restriction, adjustment can be corresponded to according to the actual situation, but for ease of understanding, in this implementation The liquid is defined in example to enter from the water inlet pipe 11, is circulated to what the outlet pipe 62 was discharged after series of process process Direction is from left to right.On this basis, the water inlet pipe 11 is set to the upper end of 1 one side wall of conditioning tank, is connected to the tune It saves pond 1 to be arranged, it is preferable that the water inlet pipe 11 can be set to the upper end of 1 left side wall of conditioning tank, and the conditioning tank 1 is for relaxing Slow liquid, namely for the water and water quality of the uniform liquid, for example, the settable interval fixed cycle of the conditioning tank 1 or Person is arranged when the liquid reaches fixed liquid level, opens the pipeline valve or pump of the conditioning tank 1 to the hydrolytic tank 2 Switch is slowly discharged for the liquid, to prevent from generating impact to subsequent processing due to the flow rate of liquid is larger, ingredient mixes. It is equipped with activated sludge in the hydrolytic tank 2, the microorganisms such as a large amount of hydrolytic bacteria and acidification bacterium are contained in the activated sludge, it can It is dissolved organic matter by insoluble hydrolysis of organic matter, converts large biological molecule substance difficult to degrade to the biology for being easy to degrade Organic pollutant in small-molecule substance namely hydrolysis acidification liquid, to improve the biodegradability of liquid；The contact-oxidation pool It is equipped with oxidation module in 3, is attached with aerobic microbiological and anaerobe on the oxidation module, the oxidation module can mention The metabolic activity of the high aerobic microbiological and the anaerobe, promotes the organic pollutant in its described liquid of degrading Efficiency；It is equipped with MBR module in the pond MBR 4, for retaining the impurity in liquid, wherein the impurity includes in the liquid Suspended matter, remaining larger molecular organics and with the liquid flow into the part activated sludge, therefore, the sludge Reflux pump 45 is set to the pond MBR 4, and to extend downwardly into the pond MBR 4 nearby or described for the import of the sludge reflux pump 45 The bottom in the pond MBR 4, the outlet of the sludge reflux pump 45 extend out to the connection hydrolytic tank 2, can be used for the MBR The activated sludge of 4 bottom of pond sedimentation is transferred to the hydrolytic tank 2, to reduce the loss of the activated sludge, is saved artificial The manpower and financial resources of replacement；It may be provided with suction pump 46 between the pond MBR 4 and the sterilization pool 5, be used for the MBR Liquid in pond 4 is transferred to the sterilization pool 5, and the sterilization pool 5 is interior to be equipped with disinfectant component 51, can carry out the liquid into one The disinfection and sterilization of step is handled, to obtain the clean water body for meeting national emission standard；The right side wall in the backwash pond 6 is equipped with Water pipe 62, is additionally provided with backwash water pump 61, and the outlet of the backwash water pump 61 is set to the top of the MBR module, the clean water After body flows into the backwash pond 6, most of to be expelled to ambient enviroment via the outlet pipe 62, small part is through the backwash water Pump 61 transfers to the pond MBR 4 and removes the impurity built up on the MBR module for rinsing the MBR module, improves The filter efficiency of the MBR module.

In technical solution provided by the utility model, conditioning tank 1, hydrolytic tank 2, contact-oxidation pool 3, the pond MBR 4, sterilization pool 5 And backwash pond 6 is sequentially communicated setting along liquid flow direction, makes the available sufficient purified treatment of liquid, meets country Discharge standard, then sludge reflux pump 45, the backwash water pump 61 etc. that assist structure simple and be easy to configure, help to reduce activity Sludge loss, the filter efficiency for improving MBR module, reduce dependence that personnel be manually operateds, with simple process, easy to operate The advantages of.

Further, Fig. 1 and Fig. 2 are please referred to, in the present embodiment, the medical waste water processing system 100 further includes diving Water pump 12 and liquid level control circuit, the immersible pump 12 is set to the bottom of the conditioning tank 1, and is connected to the hydrolytic tank 2, uses It transfers in by the liquid in the conditioning tank 1 to the hydrolytic tank 2；The liquid level control circuit electrically connects with the immersible pump 12 It connects, is worked with controlling the immersible pump 12 by the on-off of the liquid level control circuit, wherein the liquid level control circuit is connecing Connection when receiving preset liquid level is disconnected in liquid level lower than when presetting.Specifically, the liquid level control circuit includes Liquid level sensor 13 and relay 14, wherein the liquid level sensor 13 is existing PNP class liquid level sensor 13, is specifically made With can refer to the prior art, the liquid level sensor 13 is set to the conditioning tank 1, and has high level output end 131, the height Level output end 131 exports high level when the liquid level sensor 13 senses default liquid level；The relay 14 with it is described 13 common cathode of liquid level sensor, the normally opened contact of the relay 14 are electrically connected at the immersible pump 12, and the relay One end of 14 electromagnet and the high level output end 131 are electrically connected, another termination common cathode.So set, can To realize the auto-power on of the immersible pump 12 and power-off, facilitate energy saving.In addition, the immersible pump 12 can also be according to pre- If the time carry out it is auto-power on and power-off, principle with it is above-mentioned essentially identical, do not repeat herein.

Due to not only containing a large amount of pathogenic microorganism, virus and chemical reagent in medical waste water, it is also possible to be mixed with solid fraction Medical waste and short grained solid chemicals, in the present embodiment, the water inlet pipe 11 have be located at the adjusting Drain port in pond 1, the medical waste water processing system 100 further include grid device 15, and the grid device 15 is set to institute It states in conditioning tank 1, the conditioning tank 1 is separated into close to the inner cavity of drain port section and far from the drain port Exocoel section, for the solid slag in liquid to be trapped in inner cavity section.The grid device 15 can obtain for buying on the market The mechanical grille obtained can also be simple flase floor, for being separated by solid-liquid separation to the medical waste water, described in isolating The liquid isolated is flowed into the exocoel section, the bottom of the conditioning tank 1 is settled down to avoid the solid slag by solid slag discharge, Cause the blocking of the import of the immersible pump 12.

In the present embodiment, the medical waste water processing system 100 further includes mixing plant 21, the mixing plant 21 It such as can be diving mixer, it can uniform water by the agitation of the mixing plant 21 set on the bottom of the hydrolytic tank 2 Matter raises the activated sludge of deposition, so that the microorganism and liquid in the activated sludge come into full contact with, from And effectively adsorb simultaneously degradable organic pollutant.

Further, in the present embodiment, the upper end of 2 one side wall of hydrolytic tank is equipped with the first drainpipe 22, and described the One drainpipe 22 is connected to the hydrolytic tank 2 and the contact-oxidation pool 3, to by the liquid communication in the hydrolytic tank 2 to institute State contact-oxidation pool 3.Side wall positioned at first drainpipe, 22 lower section is equipped with slanting baffle 23, the slanting baffle 23 upwards and Be extended towards far from 22 direction of the first drainpipe inclination, flow to for hindering slow liquid below the slanting baffle 23 described in 23 top of slanting baffle.When the aqueous agitation in the hydrolytic tank 2 raises the activated sludge by the mixing plant 21, institute Stating slanting baffle 23 helps to extend the currency that the liquid flows into first drainpipe 22, makes the part flowed with liquid The activated sludge can settle, to reduce the loss of the activated sludge.

In the present embodiment, the oxidation module includes biologic packing material 31 and the first aeration component, wherein the biology Filler 31 is set in the contact-oxidation pool 3, and the biologic packing material 31 can be used as absorption carrier, make the table of the biologic packing material 31 Face forms biomembrane, wherein the biomembrane is successively populated with aerobic microbiological layer, anoxic microbial layer from outside to inside and detests Oxygen animalcule layer is arranged relative to single aerobic microbiological or single anaerobe, compound with mutually promoting Degradation effect, wherein the biologic packing material 31 can directly purchase acquisition in the market, and preferably folded by multilayer material or The biologic packing material 31 of multiple holes is laid, there is biggish contact area, advantageously form the bigger biomembrane of surface area. The first aeration component, including the first air blower 32, the first aeration tube 33 and the first aeration plate 34, wherein described first Aeration plate 34 be set to 3 bottom of contact-oxidation pool, first aeration tube 33 for be connected to first air blower 32 and First aeration plate 34.First air blower 32, the first aeration tube 33 and the first aeration plate 34 are existing product, are used In carrying out aeration oxygen replenishing to the contact-oxidation pool 3, the metabolic activity of microorganism can be improved by aeration oxygen replenishing, to make described Microorganism can degrade more Organic Pollutants, improve purification efficiency.

In the present embodiment, the MBR module includes MBR film group 41 and the second aeration component, wherein the MBR film Group 41 is set in the pond MBR 4, and the MBR film group 41 may be, for example, the flat plate ultrafiltration membrane of multilayer, and the flat plate ultrafiltration membrane is to liquid Suspended matter, larger molecular organics in body have a preferable removal effect, and to being difficult to through the hydrolytic tank 2, catalytic oxidation The anionic detergent that pond 3 removes also has preferable crown_interception.The second aeration component, including the second air blower 42, the Two aeration tubes 43 and the second aeration plate 44, wherein second aeration plate 44 is set to 4 bottom of the pond MBR, and described second exposes Tracheae 43 helps to make the liquid in the pond MBR 4 for being connected to second air blower 42 and second aeration plate 44 Flowing, promote the retention filtering function of impurity in the liquid.

Further, in the present embodiment, the MBR film group 41 is inclined to set relative to the side wall in the pond MBR 4, Since the MBR film group 41 includes multilayer or so to spaced MBR film, compared to the MBR film group 41 being vertically arranged, Impurity in the liquid may make filtration from passing through along left and right to the gap between the every two adjacent MBR films Failure, described be obliquely installed can eliminate the drawbacks of gap generates, and increase the number of plies of MBR film described in upward and downward, with right The liquid is sufficiently filtered.

In the present embodiment, the disinfectant component 51 is disinfectant liquid generator and/or ultraviolet generater.The thimerosal Such as the liquid can be carried out for chlorine dioxide that is conventional, being easy to purchase, the chlorine dioxide and the ultraviolet light Disinfection treatment, kills remaining bacterium and virus, so that the liquid reaches the standard that can be discharged.

Further, in the present embodiment, the conditioning tank 1, hydrolytic tank 2, contact-oxidation pool 3, the pond MBR 4, sterilization pool 5 And the top in backwash pond 6 is equipped with inspection-pit 7 and well lid 71, the lid of well lid 71 closes the inspection-pit 7 and is arranged, described Well lid 71 is equipped with handle, and the inspection-pit 7 can also be equipped with telescopic step ladder, in order to which staff periodically carries out Maintenance or maintenance.Wherein, multiple exhausts have been provided on the corresponding well lid 71 of the contact-oxidation pool 3 and the pond MBR 4 It hole 72 similarly, can also be in the well so that the aeration in the contact-oxidation pool 3 and the pond MBR 4 is smoothly discharged The multiple exhaust pipes of projection on lid 71, the exhaust pipe can be upwardly extended first, then be extended transversely, and finally extend downwardly setting, To prevent when the medical waste water system is buried setting, surface pond penetrates into and recontamination institute from the gas vent 72 State liquid.

The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model, It is all under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes It changes, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.

Claims (10)

1. a kind of medical waste water processing system characterized by comprising

It is sequentially communicated conditioning tank, hydrolytic tank, contact-oxidation pool, the pond MBR, sterilization pool and the backwash pond of setting, wherein described Conditioning tank is for liquid of releiving, and the hydrolytic tank is interior to be equipped with activated sludge, for the organic pollutant in hydrolysis acidification liquid, institute It states and is equipped with oxidation module in contact-oxidation pool, for the organic pollutant in degradation liquid, MBR module is equipped in the pond MBR, For retaining the impurity in liquid, disinfectant component is equipped in the sterilization pool；

Sludge reflux pump is set to the pond MBR, and is connected to the hydrolytic tank, for transferring the sludge in the pond MBR to institute State hydrolytic tank；

Backwash water pump is set to the backwash pond, and is connected to the pond MBR, for transferring the liquid in the backwash pond To the pond MBR to remove the impurity on the MBR module；

Water inlet pipe set on the upper end of the conditioning tank one side wall, and is connected to the conditioning tank；And

Outlet pipe, the one side wall set on the backwash pond, and it is connected to the backwash pond.

2. medical waste water processing system as described in claim 1, which is characterized in that further include:

Immersible pump set on the bottom of the conditioning tank, and is connected to the hydrolytic tank, for transferring the liquid in the conditioning tank To the hydrolytic tank；

Liquid level sensor is set to the conditioning tank, and has high level output end, and the high level output end is passed in the liquid level Sensor exports high level when sensing default liquid level；And

Relay, with the liquid level sensor common cathode, the normally opened contact of the relay is electrically connected at the immersible pump, and One end of the electromagnet of the relay and the high level output end are electrically connected, another termination common cathode.

3. medical waste water processing system as described in claim 1, which is characterized in that the water inlet pipe, which has, is located at the adjusting Drain port in pond；

The medical waste water processing system further includes grid device, and the grid device is set in the conditioning tank, will be described Conditioning tank is separated into close to the inner cavity of drain port section and far from the exocoel section of the drain port, and being used for will be in liquid Solid slag be trapped in inner cavity section.

4. medical waste water processing system as described in claim 1, which is characterized in that further include mixing plant, the stirring is set The standby bottom for being set to the hydrolytic tank, the activated sludge to be dispersed in liquid.

5. medical waste water processing system as claimed in claim 4, which is characterized in that the upper end of the hydrolytic tank one side wall is equipped with First drainpipe, first drainpipe are connected to the hydrolytic tank and the contact-oxidation pool；

Side wall below first drainpipe is equipped with slanting baffle, and the slanting baffle is upwards and towards far from the first row The direction inclination of water pipe is extended, and is flowed to above the slanting baffle below the slanting baffle for hindering slow liquid.

6. medical waste water processing system as described in claim 1, which is characterized in that the oxidation module includes:

Biologic packing material is set in the contact-oxidation pool, for adsorbing the organic pollutant in liquid for microbial degradation；With And

First aeration component, including the first air blower, the first aeration tube and the first aeration plate, wherein first aeration plate Set on the catalytic oxidation bottom of pond portion, first aeration tube is for being connected to first air blower and first aeration Disk.

7. medical waste water processing system as described in claim 1, which is characterized in that the MBR module includes:

MBR film group is set in the pond MBR, for retaining the impurity in liquid；And

Second aeration component, including the second air blower, the second aeration tube and the second aeration plate, wherein second aeration plate Set on the MBR bottom of pond portion, second aeration tube is for being connected to second air blower and second aeration plate.

8. medical waste water processing system as claimed in claim 7, which is characterized in that the MBR film group is relative to the pond MBR Side wall be inclined to set.

9. medical waste water processing system as described in claim 1, which is characterized in that the disinfectant component is disinfectant liquid generator And/or ultraviolet generater.

10. medical waste water processing system as described in claim 1, which is characterized in that the conditioning tank, hydrolytic tank, contact oxygen Change and be equipped with inspection-pit and well lid at the top of pond, the pond MBR, sterilization pool and backwash pond, the well lid lid closes the maintenance Well setting；

Wherein, multiple gas vents have also been provided on the corresponding well lid of the contact-oxidation pool and the pond MBR.