CN212833349U - Novel integrated medical wastewater treatment device - Google Patents
Novel integrated medical wastewater treatment device Download PDFInfo
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- CN212833349U CN212833349U CN202022219761.XU CN202022219761U CN212833349U CN 212833349 U CN212833349 U CN 212833349U CN 202022219761 U CN202022219761 U CN 202022219761U CN 212833349 U CN212833349 U CN 212833349U
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- contact oxidation
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Abstract
The utility model belongs to the technical field of waste water treatment, especially, novel integration medical wastewater handles device. The utility model comprises a contact oxidation tank connected with an external regulating tank through a lift pump, a vertical sedimentation tank, a water collecting tank for collecting supernatant of the sedimentation tank and connecting with an external contact disinfection tank, and a device room; an aeration device and a filling device are arranged in the contact oxidation tank, the sedimentation tank and the water collecting tank are sequentially connected, and a PLC control system is arranged in the equipment room. The utility model designs the contact oxidation tank, the sedimentation tank, the water collecting tank and the equipment room into a closed integrated structure, has small occupied area, less residual sludge, strong shock resistance load capacity, convenient operation and management, is beneficial to the closed operation of the device and has no pollution to the external atmospheric environment; and the device is convenient to move and quick to install, and can be started to operate after being placed, so that the construction period of a medical wastewater treatment project of a village and town hospital is greatly shortened.
Description
Technical Field
The utility model belongs to the waste water treatment field especially relates to a novel integration medical wastewater handles device.
Background
Compared with large hospitals and infectious disease hospitals, the waste water treatment facilities of the rural health homes are weak, and the attention degree is not enough due to the small amount of waste water, so that the medical waste water discharge of the rural health homes has great influence on the surrounding environment.
The medical wastewater has complex sources and components, contains pathogenic microorganisms, toxic and harmful physicochemical pollutants, radioactive pollution and the like, has the characteristics of space pollution, acute infection, latent infection and the like, seriously pollutes the surrounding environment if not effectively treated, and becomes an important way for spreading epidemic diseases.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model provides a novel integrated medical wastewater treatment device. The utility model has the advantages of small occupied area and no pollution to the external atmospheric environment.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a novel integrated medical wastewater treatment device comprises an integrally formed shell, wherein a contact oxidation tank connected with an external regulating tank, a vertical flow sedimentation tank, a water collecting tank for collecting supernatant of the sedimentation tank and connecting with an external contact disinfection tank and an equipment room are arranged in the shell; an aeration device and a filling device are arranged in the contact oxidation tank, the sedimentation tank and the water collecting tank are sequentially connected, and a PLC control system connected with the aeration device is arranged in the equipment room.
Preferably, be equipped with the inlet tube of intercommunication outside equalizing basin and contact oxidation pond, the outlet pipe of intercommunication water catch bowl and outside contact disinfection pond in the equipment room, inlet tube and outlet pipe all with add the pencil and be connected, PLC control system adds the pencil including adding the medicine measuring pump, add the pencil and add the medicine measuring pump and be connected.
Preferably, the contact oxidation pond, the sedimentation tank and the water collecting tank are all of a closable structure with an opening at the top.
Preferably, the packing device comprises a liftable packing frame and packing arranged in the packing frame.
Preferably, the packing apparatus further comprises an agitating assembly for agitating the packing, the agitating assembly being mounted on the packing frame.
Preferably, a square mud bucket is arranged in the sedimentation tank, and a mud pipe connected with the mud bucket is arranged between the devices.
Preferably, a blower is further arranged in the equipment room, the blower is connected with the aeration device, and the PLC control system comprises an aeration control unit for controlling the blower to work; the aeration device is a microporous aeration disc made of a rubber film.
Preferably, a blow-down pipe for emptying sewage in the contact oxidation tank is arranged in the contact oxidation tank.
Preferably, an ultrasonic liquid level meter and an online dissolved oxygen meter are arranged at a water outlet of the contact oxidation pond and are connected with the PLC control system.
Preferably, an overflow plate for enabling supernatant of the sedimentation tank to overflow into the water collecting tank is arranged between the sedimentation tank and the water collecting tank.
The utility model has the advantages that:
(1) the utility model designs the contact oxidation tank, the sedimentation tank, the water collecting tank and the equipment room into a closed integrated structure, has small occupied area, less residual sludge, strong shock resistance load capacity and convenient operation and management, has good effects of removing organic matters and killing pathogenic microorganisms, can realize full-automatic control, does not need personnel to be on duty, is favorable for the closed operation of the device, and has no pollution to the external atmospheric environment; the device is convenient to move and fast to install, can be started to operate after being placed, greatly shortens the construction period of a medical wastewater treatment project of a village and town hospital, and is suitable for medical wastewater treatment of the village and town hospital with dispersed pollution.
(2) The utility model discloses an it has high-efficient filler to put in the contact oxidation pond, and this filler has better parent microorganism nature and hydrophilic, and this filler easily hangs the membrane, is 9-10 times of ordinary filler string membrane volume, and specific surface area is big, and filler specific surface area is greater than 1.2m2(ii)/g; the utility model discloses arrange the filler in liftable formula filler frame, filler frame can freely promote, makes things convenient for the later stage to change the filler, is favorable to the maintenance and the change of contact oxidation pond bottom of the pool aeration equipment simultaneously.
(3) The utility model discloses an aeration equipment adopts novel micropore aeration dish, and the bubble diameter that this aeration dish produced is 0.6 ~ 0.8mm, and the bubble diffusion is even, has the automatically cleaning and prevents blockking up the function, and corrosion resistance is strong simultaneously.
(4) The utility model discloses an be equipped with in the equipment room and add the medicine measuring pump, can control the medicine that adds of the outlet pipe of processing apparatus in outside equalizing basin and the equipment room respectively, realized the disinfection in advance and the terminal disinfection of waste water, play the effect of jointly killing and killing to bacterium and the pathogenic microorganism in the waste water for the virus killing efficiency of final effluent reaches 99.99%, has eliminated the virus infection of waste water.
(5) The utility model comprises a PLC control system, an air blower in an external water inlet lift pump and a device room can be automatically started, stopped or adjusted through an ultrasonic liquid level meter and an online dissolved oxygen meter of a contact oxidation pond; the air blower can automatically adjust the aeration air quantity of the air blower according to the concentration of the dissolved oxygen in the contact oxidation tank, so that the dissolved oxygen in the contact oxidation tank is maintained within a set value, and the energy consumption is reduced; the operation of the dosing metering pump and the air blower is linked with the water inlet lift pump of the device, namely the air blower and the dosing metering pump are simultaneously started after the lift pump is started, and the air blower and the dosing metering pump are stopped after the lift pump is stopped and delayed for 5 s; in addition, according to the numerical value of the flowmeter on the water inlet pipe, the PLC control system automatically adjusts the flow of the dosing metering pump, and the use of the medicament is effectively saved.
(6) The utility model discloses the stirring subassembly that is equipped with includes that two sets of stirring pieces, and the optical axis length that is located the stirring piece on upper portion is greater than the optical axis length that is located the stirring piece of lower part, and every group stirring piece all includes two auger delivery oars, is convenient for form like this and stirs the circulation that packs to prevent to pack and form hardening at work, further improve the work efficiency who packs.
(7) The utility model discloses an installed aeration the control unit among the PLC control system, as control signal through dissolved oxygen, according to the change of the flow of intaking and the demand of dissolved oxygen in the contact oxidation pond, in time adjust the aeration rate of air-blower to reach dissolved oxygen stability control's requirement, the solar terms effect is 25% ~ 50%.
Drawings
Fig. 1 is a schematic view of the top view structure of the present invention.
FIG. 2 is a schematic view of the structure of the contact oxidation tank of the present invention.
The notations in the figures have the following meanings:
1-a contact oxidation tank, 11-an aeration device, 12-a filling device, 13-an emptying pipe, 14-a filling frame, 141-a spiral conveying paddle, 2-a sedimentation tank, 3-a water collecting tank, 4-a plant room, 41-a water inlet pipe, 42-a dosing metering pump and 43-an air blower.
Detailed Description
As shown in figure 1, a novel integrated medical wastewater treatment device comprises an integrally formed shell, wherein a contact oxidation tank 1 connected with an external regulating tank through a lift pump, a vertical flow type sedimentation tank 2, a water collecting tank 3 for collecting supernatant of the sedimentation tank 2 and connecting with an external contact disinfection tank and an equipment room 4 are arranged in the shell; an aeration device 11 and a filling device 12 are arranged in the contact oxidation tank 1, the sedimentation tank 2 and the water collecting tank 3 are sequentially connected, and a PLC control system connected with the aeration device 11 is arranged in the equipment room 4.
The filler device 12 comprises a liftable filler frame and a filler arranged in the filler frame, the filler is a denitrification fixing filler, the filler comprises 60-70 parts of polyhydroxy butyric acid and valeric acid copolyester particles, 5-10 parts of nitrobacteria, 5-10 parts of denitrifying bacteria, 20-30 parts of polymeric ferric sulfate particles, 20-30 parts of polyethylene particles and 10-20 parts of ABS particles according to parts by weight, the surface area of the filler is greatly increased, the biomass per unit volume is improved, the biochemical treatment efficiency is improved, and the denitrification effect of the high-concentration nitrogen-containing wastewater is improvedThe rate is greatly improved, and the denitrification efficiency can reach 80 percent; the filler has better hydrophilicity and microbe affinity, is easy to form a film, is 6 to 7 times of the film forming amount of the common filler, has higher microbe concentration and large specific surface area, and the specific surface area of the filler is more than 0.5m2The film forming speed is high, and the film forming time is not more than 72 hours on the premise of nitrifying bacteria; the outer layer of the filler is aerobic bacteria, the middle layer is anoxic bacteria, and the inner layer is anaerobic bacteria, thus forming microcosmic A2the/O process has short-range and synchronous nitrification and denitrification, can reduce the addition of carbon source, reduce reflux ratio, save operating cost and has higher denitrification efficiency. The large specific surface area effectively reduces the biochemical retention time. The ammonia nitrogen load of the denitrification fixed filler can reach 0.5kgNH3-N/m3D, TN loading up to 0.6kg TN/m3D (conventional ammonia nitrogen load of 0.1 kgNH)3-N/m3D, TN load of not more than 0.2kg/m3D); the denitrification fixing filler has an obvious denitrification effect, has a very obvious removal effect on COD (chemical oxygen demand), and can hydrolyze intercepted organic substances into soluble substances by facultative microorganisms on the filler so as to convert macromolecular and difficultly biodegradable substances into easily biodegradable substances.
As shown in fig. 2, the filling device 12 further comprises an agitation assembly for agitating the filling, which is mounted on the filling frame 14; specifically, stir the subassembly and include two sets of stirring pieces, and two sets of stirring pieces are located the upper portion and the lower part of filler frame 14 respectively, and are located the optical axis length of the stirring piece on upper portion and are greater than the optical axis length of the stirring piece that is located the lower part, and every group stirs the piece and all includes two auger delivery oar 141, is convenient for form like this and stirs the circulation of packing to prevent to pack and form hardening at work, further improve the work efficiency of packing.
Be equipped with square mud bucket in the sedimentation tank 2, be provided with the sludge discharge pipe in the equipment room 4, and the one end of sludge discharge pipe stretches into the bottom and the mud bucket of sedimentation tank 2 and be connected, and the sludge discharge pipe is connected with outside sludge impoundment through equipment room 4, and the sludge discharge of sludge discharge pipe need not the pump suction, and mud gets into outside sludge impoundment automatically through the action of gravity, has reduced the energy consumption.
Be equipped with the inlet tube 41 of intercommunication outside equalizing basin and contact oxidation pond 1, the outlet pipe of intercommunication water catch bowl 3 and outside contact disinfection pond in the equipment room 4, inlet tube 41 and outlet pipe all with add the pencil and be connected, PLC control system adds the pencil and is connected with adding pencil 42 including adding pencil 42. The electromagnetic flowmeter is installed on 4 pipe sections in the equipment room to the inlet tube 41, and the inlet tube 41 is far away from the equipment room 4 and is opened one side along the sedimentation tank 2 and the contact oxidation tank 1 top, the apron (be used for sealing sedimentation tank 2 and contact oxidation tank 1) below, reaches the front end of device, goes deep into the contact oxidation tank 1 in, and the export distance of inlet tube 41 is about 300mm at the bottom of the contact oxidation tank 1 pond.
The equipment room 4 is also internally provided with a blower 43, the blower 43 is connected with the aeration device 11, the PLC control system comprises an aeration control unit, and the aeration control unit is connected with the blower 43 (Roots blower).
The contact oxidation pond 1, the sedimentation pond 2 and the water collecting tank 3 are all of a closable structure with an opening at the top. An emptying pipe 13 for emptying sewage in the contact oxidation tank 1 is arranged in the contact oxidation tank 1.
The water outlet of the contact oxidation tank 1 is provided with an ultrasonic liquid level meter and an online dissolved oxygen meter which are both connected with a PLC control system.
The aeration device 11 is a microporous aeration disc made of a rubber membrane.
An overflow plate which enables the supernatant liquid of the sedimentation tank 2 to overflow into the water collecting tank 3 is arranged between the sedimentation tank 2 and the water collecting tank 3.
The utility model discloses well inlet tube 41, outlet pipe, sedimentation tank mud pipe and add medicine measuring pump 42 drain pipe and all concentrate on same position and stretch out the device, become vertical alignment, and 4 one sides of opening the door between the equipment, make things convenient for the centralized connection of outside pipeline and device, the device outward appearance is also neater more pleasing to the eye. Meanwhile, an independent equipment room 4 is arranged, and safe operation of equipment is facilitated.
The operation of the device is described in detail below with reference to the drawings in the examples.
The whole device is controlled by a PLC (programmable logic controller) system, firstly, a dosing metering pump 42 is started, an electromagnetic valve on a liquid outlet pipe after the pump is started, a medicament is added to an external regulating tank, the wastewater is pre-disinfected, when an ultrasonic liquid level meter in a contact oxidation tank 1 displays a low liquid level, a water inlet lifting pump of the external regulating tank is started, the system automatically controls a roots blower 43 to be started, the electromagnetic valve on the liquid outlet pipe of the dosing metering pump 42 connected with a water outlet pipe of the device is also started, the flow of the dosing metering pump 42 is automatically regulated according to the change of a flow counting value on the water inlet pipe 41, the adding amount of sodium hypochlorite in the water outlet pipe is ensured to be matched with the treated; when the ultrasonic liquid level meter in the contact oxidation tank 1 displays that the liquid level is higher, the water inlet lift pump of the external adjusting tank stops, and the system automatically controls the dosing metering pump 42 and the roots blower 43 to be closed after delaying for 5 s.
The wastewater enters a contact oxidation tank 1 and contacts with a biological film growing on a filler in the tank, and organic matters in the wastewater are adsorbed, oxidatively decomposed and converted into a new biological film by microorganisms; then the wastewater enters a water inlet pipe 41 of a vertical sedimentation tank 2 through a water outlet pipe of the contact oxidation tank 1, and mud-water separation is carried out in the sedimentation tank 2; the supernatant is collected by the water collecting tank 3, is discharged out of the device together with the sodium hypochlorite medicament after being mixed in the water outlet pipe, enters an external contact disinfection pond, and is settled in a mud bucket and periodically discharged to a mud storage pond.
When the device is operated, the dissolved oxygen in the contact oxidation pond 1 is controlled to be about 1.5mg/L, the hydraulic retention time of the whole device is controlled to be 6-8h, and the contact reaction time of pollutants and microorganisms and the sludge-water separation effect are ensured.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the invention, and all modifications, equivalents, improvements and the like that are made within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides a novel integration medical wastewater treatment device which characterized in that: comprises an integrally formed shell, wherein a contact oxidation tank (1) connected with an external regulating tank, a vertical flow sedimentation tank (2), a water collecting tank (3) for collecting supernatant of the sedimentation tank (2) and connecting with an external contact disinfection tank and an equipment room (4) are arranged in the shell; an aeration device (11) and a filling device (12) are arranged in the contact oxidation tank (1), the sedimentation tank (2) and the water collecting tank (3) are sequentially connected, and a PLC control system connected with the aeration device (11) is arranged in the equipment room (4).
2. The novel integrated medical wastewater treatment device according to claim 1, characterized in that: be equipped with inlet tube (41), the outlet pipe that communicates outside equalizing basin and contact oxidation pond (1), intercommunication water catch bowl (3) and outside contact disinfection pond in equipment room (4), inlet tube (41) and outlet pipe all with add the pencil and be connected, PLC control system is including adding medicine measuring pump (42), add the pencil and be connected with medicine measuring pump (42).
3. The novel integrated medical wastewater treatment device according to claim 1, characterized in that: the contact oxidation pond (1), the sedimentation pond (2) and the water collecting tank (3) are all of a closable structure with an opening at the top.
4. The novel integrated medical wastewater treatment device according to claim 1, characterized in that: the packing device (12) comprises a liftable packing frame (14) and packing arranged in the packing frame (14).
5. The novel integrated medical wastewater treatment device according to claim 4, characterized in that: the filling device (12) further comprises an agitation assembly for agitating the filling, the agitation assembly being mounted on the filling frame (14).
6. The novel integrated medical wastewater treatment device according to claim 1, characterized in that: a square mud bucket is arranged in the sedimentation tank (2), and a mud discharge pipe connected with the mud bucket is arranged in the equipment room (4).
7. The novel integrated medical wastewater treatment device according to claim 1, characterized in that: the equipment room (4) is also internally provided with a blower (43), the blower (43) is connected with the aeration device (11), and the PLC control system comprises an aeration control unit for controlling the blower (43) to work; the aeration device (11) is a microporous aeration disc made of a rubber film.
8. The novel integrated medical wastewater treatment device according to claim 1, characterized in that: and a blow-down pipe (13) for emptying sewage in the contact oxidation tank (1) is arranged in the contact oxidation tank (1).
9. The novel integrated medical wastewater treatment device according to claim 1, characterized in that: an ultrasonic liquid level meter and an online dissolved oxygen meter are arranged at a water outlet of the contact oxidation tank (1), and both the ultrasonic liquid level meter and the online dissolved oxygen meter are connected with a PLC control system.
10. The novel integrated medical wastewater treatment device according to claim 1, characterized in that: an overflow plate for enabling the supernatant of the sedimentation tank (2) to overflow into the water collecting tank (3) is arranged between the sedimentation tank (2) and the water collecting tank (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022219761.XU CN212833349U (en) | 2020-09-30 | 2020-09-30 | Novel integrated medical wastewater treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022219761.XU CN212833349U (en) | 2020-09-30 | 2020-09-30 | Novel integrated medical wastewater treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212833349U true CN212833349U (en) | 2021-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022219761.XU Active CN212833349U (en) | 2020-09-30 | 2020-09-30 | Novel integrated medical wastewater treatment device |
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|---|---|
| CN (1) | CN212833349U (en) |
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- 2020-09-30 CN CN202022219761.XU patent/CN212833349U/en active Active
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