CN208218568U - A kind of medical waste water processing unit - Google Patents
A kind of medical waste water processing unit Download PDFInfo
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- CN208218568U CN208218568U CN201721827139.9U CN201721827139U CN208218568U CN 208218568 U CN208218568 U CN 208218568U CN 201721827139 U CN201721827139 U CN 201721827139U CN 208218568 U CN208218568 U CN 208218568U
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- Prior art keywords
- waste water
- medical waste
- processing unit
- water processing
- catalytic oxidation
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Abstract
The utility model discloses a kind of medical waste water processing units, including pretreatment unit and advanced treatment unit, the pretreatment unit includes intake pump, catchment filter, filter press, the advanced treatment unit include the medicine-adding bin, dosing pump and electrochemical catalytic oxidation device of belt stirrer；Specifically, intake pump is connected by pvc pipe with spinner flowmeter, the top of catchment filter is equipped with water outlet and is connect with the water inlet of electrochemical catalytic oxidation bottom of device with pvc pipe Z-shaped, electrochemical catalytic oxidation device water inlet is equipped with valve, there is feeding opening before valve, feeding opening connects dosing pump, and dosing pump is connect with medicine-adding bin, and water outlet is equipped with above electrochemical catalytic oxidation device.The advantages that the utility model can be effectively reduced the colibacillus of excrement in medical waste water, SS, ammonia nitrogen, COD etc., and land occupation mask is small, and stable water outlet is at low cost, and service using life is long.
Description
Technical field
The utility model relates to field of waste water treatment, and in particular to a kind of medical waste water processing unit.
Background technique
Hospital sewage source and complicated component containing pathogenic microbes, toxic, harmful physical chemistry pollutant and are put
Radioactive pollution etc. has many characteristics, such as space-pollution, acute infection and latent infection, can become an epidemic disease without being effectively treated
The important channel of diffusion and serious pollution environment.
General large and medium-sized hospital all has special waste water disposal facility and carries out processing discharge, but these waste water processing station works
Skill is relative complex, takes up a large area, and Facilities Construction and operating cost are high, and medical institutions do not have below most second levels and second level
Corresponding implementation condition.So chlorine dioxide generator would generally be used, chlorine dioxide obtained is directly added into medical waste water,
Usually water outlet is not still up to standard after processing, it is also possible to cause chlorine residue exceeded, cause secondary pollution etc..Currently, medical waste water is handled
Many difficulties are faced, second level and second level or less medical institutions qualified discharge processing technique are lacked.
Summary of the invention
In order to solve to take up a large area, Facilities Construction and operating cost are high, be easy to cause the technical problems such as secondary pollution, mention
Technical solution disclosed by the utility model out, the beneficial effect is that:
(1) compared with biochemical method, advantage is high without civil engineering, cleannes, and sludge quantity is few, and device maintenance is simple, uses
Service life is long, and is 200-500mg/L for COD, and the nearly 100mg/L of ammonia-nitrogen content, colibacillus of excrement is 1.7 × 105
The medical waste water of left and right, there is good removal effect, and wherein COD removal rate is up to nearly 90% or more, ammonia-nitrogen content removal
Rate is up to 95% or more, and sterilizing rate is close to 100%.Coloration and turbidity in medical waste water can be effectively dropped, colorless and odorless is discharged, it is limpid
It is transparent.
(2), can be from processing medical waste water be removed at all compared with membrane separation process, without secondary pollution, service using life is long.
(3) compared with the chlorine dioxide generator of comparative maturity at this stage, advantage is applied widely, passes through direct current
Source power and the various change that water quality can be flexibly coped with into the regulation of dose guarantee the stabilization of water outlet, and treated, and sewage is reachable
National grade one discharge standard.
(4) compared with same type electrochemistry sewage-treatment plant, advantage is that electrode uses expanded graphite for raw material, and carbon contains
Amount is high, and good conductivity is at low cost, and electrode service performance is excellent, while the power supply capable of reversing used, and it is existing to avoid electrode fouling
As.
Specifically, the utility model provides following technical solution:
The utility model provides a kind of processing unit of medical waste water, successively includes removal of impurities pretreatment unit and electrochemistry
Catalysis oxidation advanced treatment unit, the pretreatment unit successively include water pump, catchment filter, filter press, the depth
Managing unit mainly includes electrochemical catalytic oxidation device.
The intake pump is connect by pvc pipe with spinner flowmeter, and spinner flowmeter passes through pvc pipe and catchment filter 2
The connection of bottom water inlet.
The catchment filter is connect by PVC hose with filter press, and is equipped with sludge screw pump therebetween.
The top of the catchment filter is equipped with water outlet and the water inlet of electrochemical catalytic oxidation bottom of device passes through PVC
The water outlet of the connection of pipe Z-shaped, catchment filter is higher than electrochemical catalytic oxidation device, forms gravity flow.
Electrochemical catalytic oxidation device water inlet is equipped with valve, and feeding opening is equipped with before valve, and feeding opening connects dosing pump, adds
Teat pipette is connected with medicine-adding bin.The setting of chemicals dosing plant mainly enhances equipment to the processing capacity of medical waste water, and drug generally makes
With sodium chloride, chloride ion forms chlorine by the anodic oxidation of electrochemical catalytic oxidation device in sodium chloride, and the sterilization of chlorine removes
Ammonia nitrogen excellent.When the indices of medical waste water raw water are not high, there is no need to carry out dosing.
The electrochemical catalytic oxidation device includes power supply and electrochemical reactor, and electrode card slot, card are equipped in reactor
Anodic-cathodic is alternately placed in slot respectively, electrode anode and cathode is all made of graphite electrode, and electrode successively keeps left to keep right and put in card slot
Set, can make enter electrochemical reactor in water snake shape flowing, guarantee that it is sufficiently reacted, electrode plate spacing be 40mm, electrode with
Copper bus-bar is connected, and copper bar is connect with DC power supply.
Preferably, the catchment filter is cylindrical PVC material, and one ton of volume, bracket, arrangement filter are arranged in the middle
Net, strainer used are 120 mesh of nylon material, and the strainer on bracket is detachable.
Preferably, the water inlet of the catchment filter and electrochemical catalytic oxidation device, water outlet, which go out, is designed with work
Knot, easy to disassemble and assembling.
Preferably, the electrochemical catalytic oxidation device uses adjustable power supply, power, and commutating period is adjusted
Anode and cathode.
Preferably, the electrochemical catalytic oxidation device is using sub- Gree plate matter cuboid electrochemical reactor.
Preferably, the graphite electrode that the electrochemical catalytic oxidation device uses is reinforced composite graphite electrode.
Preferably, the graphite electrode that the electrochemical catalytic oxidation device uses is pure graphite electrode.
Preferably, the dosing pump is the adjustable pulsed diaphragm pump of flow.
With reference to the accompanying drawing with each specific embodiment, the present invention and its advantageous effects are described in detail.
Detailed description of the invention
Fig. 1 is the medical waste water processing unit schematic diagram of the utility model.
Fig. 2 is the medical waste water processing unit partial enlarged view of an embodiment of the present invention.
Fig. 3 be an embodiment of the present invention medical waste water processing unit in Fig. 2 A-A directional profile figure.
Specific embodiment
As described above, it is an object of the invention to: overcome the above deficiencies in the existing technologies, is led to provide one kind
Electrically good, at low cost, device safeguards simple medical waste water processing unit.
In conjunction with Fig. 1, Fig. 2 and Fig. 3 by specific embodiment, the technical solution of the application is described in detail.
Medical water wasting career in medicine is treated into water wasting tank by intake pump 1 and enters catchment filter 2, in intake pump 1 and is catchmented
It is equipped with spinner flowmeter 3 and valve between filter 2, passes through the flow velocity of the reading regulation water inlet of valve and spinner flowmeter.Doctor
It treats waste water and flows into catchment filter 2, water level is from bottom to top gradually increasing, and larger particles are stopped by strainer 10, catchment filter 2
Bottom is equipped with sewage draining exit, and sewage draining exit is equipped with valve, and catchment filter 2 is connect by PVC hose with filter press 8, and the two it
Between be equipped with sludge screw pump 7.When strainer lower part impurity is excessive, sludge screw pump 7 can be opened, using filter press 8 by impurity pressure
It disposes out.Filtered medical waste water is flowed out from 2 water outlet of catchment filter, is urged by Z-shaped pvc pipe from electrochemistry is flowed into
Change oxidation unit 6.
Feeding opening is equipped with before the valve of 6 water inlet of electrochemical catalytic oxidation device, feeding opening connects dosing pump 5, dosing
Pump 5 is connected with medicine-adding bin 4, and medicine-adding bin 4 is equipped with blender.DC power supply connects 380V alternating voltage, exports direct current, and output is maximum
Voltage 24V, maximum current 1000A.Waste water goes out after the processing of electrochemical catalytic oxidation device 6 from electrochemical catalytic oxidation device 6
Mouth of a river outflow.
For electrochemical catalytic oxidation device 6 by sub- Gree plate matter cuboid electrochemical reactor, long 100cm, wide 50cm are high
50cm.Electrode card slot is equipped in reactor, card slot or so is arranged alternately, card slot width 5mm, and the spacing of two side bayonet slots and card slot is
80mm, electrode anodic-cathodic are all made of reinforced composite graphite and do electrode, and the reinforced composite graphite electrode is with 0.2mm
Stainless steel substrates be substrate, up and down uniformly compacting expanded graphite powder, the reinforced composite graphite electrode of 3mm thickness is made.Electrochemistry
Anodic-cathodic is alternately placed in the card slot of reactor respectively, electrode successively keeps left placements of keeping right in card slot, can make to enter electrochemical
The water snake shape flowing in reactor is learned, electrode plate spacing is 40mm, and electrode is connected with copper bus-bar, and copper bar is connect with DC power supply.
Illustrate the advantageous effects of this medical waste water processing unit below by specific embodiment.
Used inspection determination method and method detection limit are as follows in following embodiment:
Table 1 examines determination method and method detection limit
Embodiment 1
The flow of inlet water of medical waste water is adjusted to 200L/h, the graphite electrode in electrochemical catalytic oxidation device uses pure stone
Electrode ink, plate spacing are set as 40mm, and the mass volume ratio (g/L) of sodium chloride and waste water is 0.4:1, the output work of DC power supply
Rate is 3kw, and see Table 2 for details for each index after raw water and processing.
The comparison (pure graphite electrode) of each index before and after 2 payment for medical care water process of table
| Stoste | After processing | |
| COD | 413mg/L | 120mg/L |
| Ammonia nitrogen | 80.9mg/L | 3.43 |
| Colibacillus of excrement group | 1.5×105/L | < 20 |
Embodiment 2
The flow of inlet water of medical waste water is adjusted to 200L/h, the graphite electrode in electrochemical catalytic oxidation device is using reinforcement
Type composite graphite electrode, plate spacing are set as 40mm, and the mass volume ratio (g/L) of sodium chloride and waste water is 0.4:1, DC power supply
Output power be 3kw, raw water and processing after each index see Table 3 for details.
The comparison (reinforced composite graphite electrode) of each index before and after 3 payment for medical care water process of table
| Stoste | After processing | |
| COD | 413mg/L | 52mg/L |
| Ammonia nitrogen | 80.9mg/L | 0.493 |
| Colibacillus of excrement group | 1.5×105/L | < 20 |
Claims (10)
1. a kind of medical waste water processing unit, including pretreatment unit and advanced treatment unit, which is characterized in that the pretreatment
Unit includes intake pump (1), catchment filter (2), filter press (8), is led between the intake pump (1) and catchment filter (2)
Spinner flowmeter (3) connection is crossed, the advanced treatment unit includes electrochemical catalytic oxidation device (6).
2. medical waste water processing unit according to claim 1, which is characterized in that the electrochemical catalytic oxidation device
It (6) include power supply and electrode in.
3. medical waste water processing unit according to claim 2, which is characterized in that the electrode is composite graphite electrode.
4. medical waste water processing unit according to claim 2, which is characterized in that the electrode is pure graphite electrode.
5. according to the described in any item medical waste water processing units of claim 2-4, which is characterized in that the electrode is snakelike row
Column.
6. medical waste water processing unit according to claim 5, which is characterized in that the electrochemical catalytic oxidation device
It (6) include stirring medicine-adding bin (4) and dosing pump (5).
7. medical waste water processing unit according to claim 1, which is characterized in that the electrochemical catalytic oxidation device
(6) drain valve needed for setting recoil cleaning on.
8. medical waste water processing unit according to claim 1, which is characterized in that the intake pump (1) is immersible pump.
9. medical waste water processing unit according to claim 1, which is characterized in that described catchment filter (2) bottom
Including pump needed for despumation (7), it is connected with filter press (8).
10. medical waste water processing unit according to claim 9, which is characterized in that the pump (7) is helicoidal pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721827139.9U CN208218568U (en) | 2017-12-25 | 2017-12-25 | A kind of medical waste water processing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721827139.9U CN208218568U (en) | 2017-12-25 | 2017-12-25 | A kind of medical waste water processing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208218568U true CN208218568U (en) | 2018-12-11 |
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ID=64532864
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721827139.9U Expired - Fee Related CN208218568U (en) | 2017-12-25 | 2017-12-25 | A kind of medical waste water processing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208218568U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115784384A (en) * | 2023-01-06 | 2023-03-14 | 四川大学 | Medical sewage treatment device and method |
-
2017
- 2017-12-25 CN CN201721827139.9U patent/CN208218568U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115784384A (en) * | 2023-01-06 | 2023-03-14 | 四川大学 | Medical sewage treatment device and method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181211 Termination date: 20191225 |
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| CF01 | Termination of patent right due to non-payment of annual fee |