CN107512794A - The high-risk toxic wastewater processing system of hospital and processing method - Google Patents
The high-risk toxic wastewater processing system of hospital and processing method Download PDFInfo
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- CN107512794A CN107512794A CN201710653263.6A CN201710653263A CN107512794A CN 107512794 A CN107512794 A CN 107512794A CN 201710653263 A CN201710653263 A CN 201710653263A CN 107512794 A CN107512794 A CN 107512794A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/003—Wastewater from hospitals, laboratories and the like, heavily contaminated by pathogenic microorganisms
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/005—Processes using a programmable logic controller [PLC]
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The present invention provides a kind of high-risk toxic wastewater processing system of hospital and its processing method, including pre-sterilization processing pond, decay pond, regulating reservoir, the coprecipitated pond of heavy metal coagulation, multistage filtering adsorbent equipment, ozone oxidation decomposing pool and the emission-control equipment of pipeline connection are passed sequentially through by high-risk toxic wastewater flow direction；Waste water and waste gas after processing are expelled directly out.Processing method provided by the invention is using " pretreatment+heavy metal coagulation coprecipitation method+multistage filtering absorption method+ozone oxidation decomposition method such as pre-sterilization and decay " combined treatment process composition；The high-risk toxic wastewater of efficient process hospital is realized by using several process combinations and comprehensive function, and processing procedure is closed processing, caused waste gas also further across ozone oxidation, purification processing, avoids producing secondary pollution.
Description
Technical field
The present invention relates to technical field of sewage, the high-risk toxic wastewater processing system of specifically a kind of hospital and processing side
Method.
Background technology
The high-risk toxic wastewater of hospital mainly includes containing for the section office such as Nuclear Medicine Dept of hospital, dentistry, experiment or laboratory discharge
There are the waste water of the chemical substance such as a large amount of pathogen, bacterium, virus and parasitic ovum, disinfectant, medicament, reagent, also radioactivity
The waste water of material and heavy metal etc..The waste water has small discharge capacity, uncertain, polytropy, complexity, high concentration and high toxicity etc.
Feature, the characteristics of Different hospital, different regions, different scales.The high-risk toxic wastewater processing of hospital, which is administered, has larger difficulty,
The sewage of current most large hospitals is using outward transport or is sold to the progress strange land processing such as specialized company.Middle-size and small-size hospital gives up
Water process is that hospital sewage directly is entered into sterilization pool through grid pond, regulating reservoir, and submarine pipeline is discharged into after disinfection by chlorine dioxide
Or with medical waste water mixed processing, the sewage discharge after processing does not reach national standard at all, radioactive substance in waste water and
The pollutants such as heavy metal can cause seriously to pollute to surrounding environment and water source, soil.
CN201610826021.8 discloses a kind of sewage disposal of hospital technique, each caused by hospital or other medical institutions
Kind waste water automatic overflow after septic tank is handled enters regulating reservoir, and the adjusted pretreated water reuse elevator pump in pond is pumped into acidifying
Hydrolytic tank carries out hypoxia response, larger molecular organicses is degraded into small organic molecule, while membrane biological reaction pond is flowed back
Nitrate nitrogen denitrification into nitrogen；Waste water after the processing of the acidified hydrolytic tank aerobic degradation in membrane biological reaction pond is titanium dioxide
Other innoxious products such as carbon, water；Waste water after processing is ultimately discharged into sterilization pool, and germ is killed simultaneously through chlorine dioxide disinfecting device
Discharged after reaching sanitary sewage discharge standard.The handling process handles the ineffective of the high-risk toxic wastewater of hospital, and to open
Formula processing, the caused easy secondary pollution of waste gas, has certain limitation.
The content of the invention
In view of the shortcomings of the prior art, the present invention provide a kind of processing system specifically for the high-risk toxic wastewater of hospital and
Processing method, the processing system and processing method realize efficient process hospital height by using several process combinations and comprehensive function
Danger toxic wastewater, and processing procedure is closed processing, caused waste gas also further across ozone oxidation, purification processing, avoids
Produce secondary pollution.
To achieve the above object, the present invention provides following technical scheme：
On the one hand, the present invention provides a kind of high-risk toxic wastewater processing system of hospital, including is flowed to by high-risk toxic wastewater
Pass sequentially through the pre-sterilization processing pond of pipeline connection, pond of decaying, regulating reservoir, the coprecipitated pond of heavy metal coagulation, multistage filtering absorption dress
Put, ozone oxidation decomposing pool and emission-control equipment；Waste water and waste gas after processing are expelled directly out.
Further, the pre-sterilization processing pond is directly accessed Nuclear Medicine Dept's waste water.
Further, the pre-sterilization processing pond is also connected with ozone generator.
Further, the regulating reservoir also accesses the high-risk waste water of other section office of hospital.
Further, between the coprecipitated pond of regulating reservoir and heavy metal coagulation, the coprecipitated pond of heavy metal coagulation and multistage filtering
Elevator pump is provided between adsorbent equipment.
Further, pH sensors and administration device, the administration device are provided with the coprecipitated pond of heavy metal coagulation
It is interior including at least one of pH nertralizers, water treatment agent, sour agent, alkaline agent and flocculant.
Further, the coprecipitated pond of multistage filtering adsorbent equipment and heavy metal coagulation is connected with sludge collecting pit.
Further, the ozone oxidation decomposing pool is connected with ozone generator and gas-liquid jet mixing system.
Further, the sludge collecting pit is connected by dewaterer with shipping unit outside sludge.
Further, the pre-sterilization processing pond, decay pond, regulating reservoir, the coprecipitated pond of heavy metal coagulation, multistage filtering are inhaled
Adsorption device, ozone oxidation decomposing pool and emission-control equipment are each equipped with PLC control system, are connected by industrial optical fiber bus network
The PLC control system of each device connect controls the water of waste water in each device, processing time and the water quality characteristic of discharge, adjusts
The processing combination of each device and processing parameter, realize to the on-line monitoring in the high-risk toxic wastewater processing procedure of hospital and automatic control
System.
Further, the PLC control system automatically controls remote monitoring with hospital environment monitoring management system composition
System.
Further, the remote monitoring system that automatically controls also includes colour picture monitor and warning system etc..
On the other hand, the present invention provides one kind and the high-risk toxic wastewater of hospital is handled with system of the present invention
Method, comprise the following steps：
Step 1)：The high-risk toxic wastewater of Nuclear Medicine Dept of hospital enters pre-sterilization processing pond after pre-sterilization, into decay pond
Other section office (such as dentistry and experiment or laboratory etc.) high-risk toxic wastewater automatic overflows enter regulation with hospital after being decayed
Pond, it is well mixed；
Step 2)：The boosted pump of waste water in regulating reservoir enters the coprecipitated pond of heavy metal coagulation, and pH is detected by pH sensors
After value, the medicament that controller automatically selects administration device is handled, and is generated and is staticly settled；
Step 3)：Supernatant liquor in the waste water of step 2) processing is promoted to multistage filtering adsorbent equipment mistake by elevator pump
Filter off except precipitation, adsorption particle；
Step 4)：Supernatant liquor after step 3) filtering enters ozone oxidation decomposing pool, is produced through ozone generator
Ozone oxidation and by gas-liquid jet mixing system continually strengthen vapour-liquid mix, carry out oxidation and resolution process after discharge.
Further, waste water treatment process process is as follows in the coprecipitated pond of heavy metal coagulation in the step 2)：
PH value in waste water is detected by the pH sensors in the coprecipitated pond of heavy metal coagulation, selection is automatically controlled by controller
Neutralization pH agent, water treatment agent, sour agent, alkaline agent or the flocculant of addition complete the precipitation of heavy metal.
Further, the precipitation after the precipitation of the step 2) generation and step 3) filter enters sludge collecting pit, passes through
Handled after dehydration by shipping unit outside sludge.
Further, during the step 1)~step 4) caused waste gas accessed after emission-control equipment is collected it is smelly
Oxygen is discharged after carrying out oxidation processes.
Further, other section office of the hospital include dentistry, laboratory or laboratory, other high-risk waste water of discharge of hospital
Section office.
Beneficial effect：
In the high-risk toxic wastewater processing system of hospital provided by the invention and processing method, the processing method is using " pre-
The pretreatment such as sterilization and decay+heavy metal coagulation coprecipitation method+multistage filtering absorption method+ozone oxidation decomposition method " combined treatment
Technique forms；The processing system includes the pretreatment such as ozonization and decay, the coprecipitated reaction of heavy metal coagulation, multistage filtering suction
The devices such as attached, ozone oxidation.
The high-risk toxic wastewater processing system of hospital provided by the invention and processing method can be removed effectively：Except dirts such as phenol, cyanogen
Material is contaminated, realizes the decolouring to water, the removal to the metal ion such as iron, manganese in water, realizes that sterilization and COD, biochemistry need
The removal etc. of oxygen amount, stink.After caused waste gas may also pass through waste gas collection device collection in the processing system and processing procedure
Ozone Oxidation Treatment, avoid the secondary pollution of waste gas.
Whole process of the present invention is to automatically control remote monitoring, is not required to personnel and directly participates in, is realized by remote monitoring,
Full-automatic enclosed system, the processing that each step realizes the high-risk waste water of hospital is automatically controlled by controller.Equipment is using first
The information management system and automatic monitored control system entered, accomplish unmanned, automatic on-line monitoring control water quality.It can realize to whole
The monitoring of Waste Water Treatment and management function, the operating condition and parameter of processing procedure are grasped in time, is adjusted by management system
Whole optimization water treatment technological process, improve operation and management level, implementation process automation, IT application in management.
Processing method technical maturity provided by the invention, effluent quality can stably reach《Medical institutions' Sewage Water Emissions
Standard》(GB18466-2005) primary standard in；Flow is short, floor space is few, the construction period is short, investment and operating cost
It is low.
Brief description of the drawings
Fig. 1 is the schematic diagram of the wastewater treatment process of the system of the preferred embodiment of the present invention.
Embodiment
The present invention is described further with reference to the accompanying drawings and examples.
As shown in figure 1, the present invention provides a kind of high-risk toxic wastewater processing system of hospital, by high-risk toxic wastewater flow direction according to
Secondary pre-sterilization processing pond by pipeline connection, decay pond, regulating reservoir, the coprecipitated pond of heavy metal coagulation, multistage filtering adsorbent equipment,
Ozone oxidation decomposing pool and emission-control equipment；Waste water and waste gas after processing are expelled directly out；
Preferably, the pre-sterilization processing pond is directly accessed nuclear medicine waste water.Nuclear medicine waste water include radioactive substance,
The material of the contour radiation of excrement of radioactive patient.
Preferably, the pre-sterilization processing pond is also connected with ozone generator.Ozone is accessed by ozone generator, to core
Medical science waste water carries out preliminary oxidation processes, beneficial to follow-up processing.
Preferably, the regulating reservoir also accesses the high-risk waste water of other section office of hospital.By the high-risk waste water of other section office of hospital
Mixing is adjusted with the high-risk waste water of the Nuclear Medicine Dept of hospital of pretreatment, is easy to subsequently handle together.
Preferably, between the coprecipitated pond of regulating reservoir and heavy metal coagulation, the coprecipitated pond of heavy metal coagulation and multistage filtering are inhaled
Elevator pump is provided between adsorption device.Elevator pump carries out being promoted to the coprecipitated pond of heavy metal coagulation by waste water or multistage filtering adsorbs
Pond, high-pressure, beneficial to subsequent treatment.Elevator pump is connected with controller, beneficial to controller control elevator pump working time with
Whether work, by automatically controlling, avoid personnel from entering in closed system.
Preferably, pH sensors and administration device are provided with the coprecipitated pond of heavy metal coagulation, in the administration device
Including at least one of pH nertralizers, water treatment agent, sour agent, alkaline agent and flocculant.The waste water detected by pH sensors
Specific pH value, the medicament that controller selects control administration device input related are handled, and are easy to generation precipitation and subsequent treatment.
Preferably, the coprecipitated pond of multistage filtering adsorbent equipment and heavy metal coagulation is connected with sludge collecting pit.
Preferably, the sludge collecting pit outward transport disposal.The sludge of collection carries out subsequent treatment after dewater treatment.
Preferably, the ozone oxidation decomposing pool is connected with ozone generator and gas-liquid jet mixing system.The ozone
Generator is passed through ozone, and beneficial to ozone oxidation decomposition is carried out, the amount of ozone controls the amount entered by controller, passes through controller
The working strengthening of gas-liquid jet mixing system is controlled, beneficial to gas-liquid mixed.
Preferably, the multistage filtering adsorbent equipment can be sand filtering device, biological activated carbon device and resin adsorption dress
Put etc., the present embodiment is only used as and enumerated, but unlimited.
It is further preferred that the pre-sterilization processing pond, decay pond, regulating reservoir, the coprecipitated pond of heavy metal coagulation, multistage mistake
Filter adsorbent equipment, ozone oxidation decomposing pool and emission-control equipment are each equipped with PLC control system, pass through industrial optical fiber bus network
The PLC control system of each device of network connection controls the water of waste water in each device, processing time and the water quality characteristic of discharge,
Processing combination and the processing parameter of each device are adjusted, is realized to the on-line monitoring in the high-risk toxic wastewater processing procedure of hospital and oneself
Dynamic control.
It is further preferred that the PLC control system automatically controls remotely with hospital environment monitoring management system composition
Monitoring system.Such as：The pH sensors, administration device, elevator pump, ozone generator, gas-liquid jet mixing system, dewaterer
It is connected with PLC control system.
In actual process, it is high-risk poisonous by fiber buss network connection hospital to automatically control remote monitoring system
The PLC control system of each device in Waste Water Treatment, and then realized by the PLC control system of each device to whole waste water
Processing system running situation carries out the on-line monitoring and self diagnosis of wastewater treatment；To the running status of all objects monitored in real time
It is monitored and self diagnosis；The machine operation of all kinds of devices (from work cumulative time, finally maintenance day) exist
Line monitors, and is stored in respective document, in case maintaining；Equipment fault to each device proposes reference process opinion.
Remote monitoring system is automatically controlled to realize to the opening/stop of each device, ON/OFF by button on switch board at the scene
Operation.Automatically control each device of remote monitoring system real-time reception PLC control system transmission Various types of data and signal (including
Technological process situation, machine operation, data daily paper/monthly magazine inquiry, data trend curve etc.), by all kinds of of transmission
Real time data and signal carry out data processing, including data check detection, fault detection and diagnosis function, collect each PLC and control
The data of system and the situation of each device, realize data query, Data Detection, the data history of forming data record according to collection
With trend curve record etc., complete the function such as audio alert；The data handled well are shown in colour picture monitor；Will processing
Good data are stored and printed, and facilitate real-time query.
The PLC control system of each device is the series of PLC of Siemens smart 200, realize Self-controllable level instrument and
The monitoring of other equipment, while each device sub-control station and the master stage active station progress data friendship for automatically controlling remote monitoring system
Change, each device sub-control station receives and automatically controls the various control commands that the master stage active station of remote monitoring system is sent, finally
The monitoring of all devices of system is realized, ensure that equipment safety, stable operation.
Remote monitoring system is automatically controlled to select with the real-time multi-task of open type software interface, multi-user system
The Chinese edition network operating systems of Microsoft Windows 7.It uses real-time distributed system R, by right
The configuration of monitored object, each monitored object is monitored and controlled in real time, and automatically generates operation note, remote signalling displacement, accident record
Etc. real time data.Operation monitoring, data generation and management, configuration, figure are carried out in real time by being realized in the software systems
Generation and inquiry, daily management, equipment control, managing power consumption, configuration software management etc.；Controlled by the PLC of each device
Data are transferred to by system in real time to be automatically controlled the main control workstation of remote monitoring system and is collected, stored, and monitors work
The personnel for making to stand utilize monitoring service by entering edlin, management to monitoring system using configuration software in main control workstation
Device generates the situation data of each device the running situation and historical data of a device, and staff intuitively can be matched somebody with somebody by network
Hop server and browser obtain the running picture consistent with scene, and the very first time knows the operation conditions of each device, without
The operation scene of carrying out that will be to equipment confirms one by one.It can effectively meet that automatically controlling for the high-risk toxic wastewater processing system of hospital will
Ask, realize security, versatility and expansibility.
The present invention provides a kind of high-risk toxic wastewater processing method of hospital, comprises the following steps successively：
Step 1)：The high-risk toxic wastewater of Nuclear Medicine Dept of hospital is handled into pre-sterilization processing pond through pre-sterilization, is subsequently entered
Decay pond is decayed, and other section office (such as dentistry and experiment or laboratory etc.) high-risk toxic wastewaters are automatic with hospital after decay
Overflow enters regulating reservoir, is well mixed；Decay refers to the radioactive substance of Nuclear Medicine Dept of hospital or oncology discharge being placed in pre- place
A period of time in pond is managed, realizes decay；The excretas such as the excrement of discharge need ozonization to pre-process；
Step 2)：The boosted pump of waste water in regulating reservoir enters the heavy coprecipitated pond of metal coagulation, by neutralizing, hydrolyzing, acid
Change, a kind of mode precipitation process in alkalization and flocculation removes removing heavy metals, organic matter；During this, pass through heavy metal coagulation
PH sensors in coprecipitated pond detect pH value in waste water, the neutralization pH added after controller reception signal by automatically controlling selection
One kind in agent, water treatment agent, sour agent, alkaline agent or flocculant is handled, if pH value is shown as acid during this, is added
Lime stone is adjusted；If pH value is shown as alkalescence, adds chlorine and be adjusted and neutralize；The display of controller reception signal neutralizes
Complete；Or generation flocculation sediment, filtering absorption, in the inorganic pollution of ionic condition is hydrolyzed by adding water treatment agent
Chemically reactive, the compound precipitation that production did not dissolved in or be insoluble in water separate out；Or add sour agent and be acidified producing to flocculate and sink
Form sediment；Or add alkali and carry out alkalization generation flocculation sediment, the heavy metal ion of solubilised state is converted into colloid by neutralization reaction method
And solid particle, the compound that generation did not dissolved in or be insoluble in water separate out precipitation；Or add flocculant and produce flocculation sediment, add
Flocculant so that chroma in waste water, cleannes, heavy metal ion, anion etc. are greatly improved, and make high salt amount and high concentration weight
Metal ion forms flocculated suspension thing, the wherein colloid of suspension and discrete particles is generated wadding under the interaction of molecular force
Shape body and they collide with each other coagulative precipitation in infall process；
Make the pollutant rapid flocculation in water by precipitation, precipitate and be aggregated into larger wadding flower, rely on power for support and be precipitated to bottom
Portion, the precipitation for being sink to bottom enter outward transport disposal after sludge collecting pit, further utilize or fill；
Step 3)：The boosted pumping action of supernatant liquor of waste water after step 2) processing is to multistage filtering adsorpting device mistake
Filter off except precipitation, adsorption particle；Precipitation transports outward disposal after entering sludge collecting pit, further utilizes or fills；
Step 4)：Supernatant liquor after step 3) filtering enters ozone oxidation decomposing pool, is decomposed into ozone oxidation
The waste water in pond mixes through inputting ozone caused by ozone generator and continually strengthening vapour-liquid by gas-liquid jet mixing system, to useless
Water is aoxidized and resolution process；Larger molecular organicses in waste water are aoxidized ozone and resolution process, it will usually makes ring
Shape molecule and long-chain molecule fracture, so that macromolecular resolves into small-molecule substance, generation is easy to the material of biochemical degradation；Carry out
Discharged after oxidation and resolution process.
In addition, for closed system during step 1)~step 4) caused waste gas, received by emission-control equipment
Access after ozone carries out oxidation processes and discharge after collection.
Each step of the processing method is controlled by PLC control system, and is transmitted through the network to and is automatically controlled
Remote monitoring system, within the system by the very first time after software processing know in processing method the disposition of each step and
Running situation, realize the security, versatility and expansibility of processing method.
System provided by the invention uses advanced adaptive control system, can be according to water and the water quality spy of different waste water
Sign, the combination of adjustment handling process and parameter, complete to the on-line monitoring in whole water treatment procedure and automatically control.
In the high-risk toxic wastewater processing system of hospital provided by the invention and processing method, the processing method is using " pre-
Pretreatment+heavy metal coagulation coprecipitation method+multistage filtering absorption method+ozone oxidation the decomposition method such as sterilization sterilization and decay " combination
Handling process forms；The processing system includes the pretreatment such as ozonization and decay, the coprecipitated reaction of heavy metal coagulation, multistage mistake
Filter the devices such as absorption, ozone oxidation.
The high-risk toxic wastewater processing system of hospital provided by the invention and processing method can be removed effectively：Except dirts such as phenol, cyanogen
Material is contaminated, realizes the decolouring to water, the removal to the metal ion such as iron, manganese in water, realizes that sterilization and COD, biochemistry need
The removal etc. of oxygen amount, stink.After caused waste gas may also pass through waste gas collection device collection in the processing system and processing procedure
Ozone oxidation, purification processing, avoids the secondary pollution of waste gas.
Whole process of the present invention is automatic control remote monitoring, is not required to personnel and directly participates in, is realized by remote monitoring, entirely certainly
Dynamic closed system, the processing that each step realizes the high-risk waste water of hospital is automatically controlled by controller.
Processing method technical maturity provided by the invention, effluent quality can stably reach《Medical institutions' Sewage Water Emissions
Standard》(GB18466-2005) primary standard in；Flow is short, floor space is few, the construction period is short, investment and operating cost
It is low.
Whole system main control workstation receives the operation conditions of each equipment of system provided by the invention, and will run shape
The control of the data, equipment that are gathered during condition and the communication function of monitoring and each equipment etc. carry out automatic business processing.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. a kind of high-risk toxic wastewater processing system of hospital, it is characterised in that including being passed sequentially through by high-risk toxic wastewater flow direction
The pre-sterilization processing pond of pipeline connection, decay pond, regulating reservoir, the coprecipitated pond of heavy metal coagulation, multistage filtering adsorbent equipment, ozone oxygen
Change decomposing pool and emission-control equipment；Waste water and waste gas after processing are expelled directly out.
2. the high-risk toxic wastewater processing system of a kind of hospital according to claim 1, it is characterised in that at the pre-sterilization
Reason pond is directly accessed Nuclear Medicine Dept's waste water；
The pre-sterilization processing pond is also connected with ozone generator；The regulating reservoir also accesses the high-risk waste water of other section office of hospital.
3. the high-risk toxic wastewater processing system of hospital according to claim 1, it is characterised in that the regulating reservoir and a huge sum of money
Elevator pump is provided between the coprecipitated pond of category coagulation, between the coprecipitated pond of heavy metal coagulation and multistage filtering adsorbent equipment.
4. the high-risk toxic wastewater processing system of hospital according to claim 1, it is characterised in that the heavy metal coagulation is total to
PH sensors and administration device are provided with heavy pond, includes pH nertralizers, water treatment agent, sour agent, alkaline agent in the administration device
At least one of with flocculant.
5. the high-risk toxic wastewater processing system of hospital according to claim 1, it is characterised in that the multistage filtering absorption
Device and the coprecipitated pond of heavy metal coagulation are connected with sludge collecting pit；The sludge collecting pit is filled by dewaterer and sludge outward transport
Put connection.
6. the high-risk toxic wastewater processing system of hospital according to claim 1, it is characterised in that the ozone oxidation is decomposed
Pond is connected with ozone generator and gas-liquid jet mixing system.
7. the high-risk toxic wastewater processing system of hospital according to any one of claim 1~6, it is characterised in that described pre-
Disinfect pond, decay pond, regulating reservoir, the coprecipitated pond of heavy metal coagulation, multistage filtering adsorbent equipment, ozone oxidation decomposing pool and give up
Flash Gas Compression Skid System is each equipped with PLC control system, the PLC control system and the automatic control of hospital environment monitoring management system composition
Remote monitoring system processed.
8. a kind of high-risk toxic wastewater processing method of hospital, it is characterised in that comprise the following steps：
Step 1)：The high-risk toxic wastewater of Nuclear Medicine Dept of hospital is handled into pre-sterilization processing pond through pre-sterilization, subsequently enters decay
Pond is decayed, and enters regulating reservoir with other section office of hospital high-risk toxic wastewater automatic overflows after decay, is well mixed；
Step 2)：The boosted pump of waste water in regulating reservoir enters the coprecipitated pond of heavy metal coagulation, after detecting pH value by pH sensors,
The medicament that controller automatically selects administration device is handled, and is generated and is staticly settled；
Step 3)：Supernatant liquor in the waste water handled through step 2) is promoted to the filtering of multistage filtering adsorbent equipment by elevator pump
Remove precipitation, adsorption particle；
Step 4)：Supernatant liquor after step 3) filtering enters ozone oxidation decomposing pool, through smelly caused by ozone generator
Oxygen aoxidizes and continually strengthens vapour-liquid by gas-liquid jet mixing system and mixes, and is discharged after carrying out oxidation and resolution process.
9. processing method according to claim 8, it is characterised in that given up in the step 2) in the coprecipitated pond of heavy metal coagulation
Water treatment process is as follows：PH value in waste water is detected by the pH sensors in the coprecipitated pond of heavy metal coagulation, passes through controller
Automatically control the precipitation that neutralization pH agent, water treatment agent, sour agent, alkaline agent or the flocculant that selection adds complete heavy metal, the step
Precipitation after the rapid 2) precipitation of generation and step 3) filtering enters sludge collecting pit, and sludge outward transport is handled.
10. processing method according to claim 8, it is characterised in that caused by during the step 1)~step 4)
Waste gas is accessed after ozone carries out oxidation, purification processing after emission-control equipment is collected and discharged.
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| Application Number | Priority Date | Filing Date | Title |
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Application publication date: 20171226 |
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