CN107522333A - A kind of inactivation tank for preventing biological wastewater from remaining - Google Patents
A kind of inactivation tank for preventing biological wastewater from remaining Download PDFInfo
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- CN107522333A CN107522333A CN201610449071.9A CN201610449071A CN107522333A CN 107522333 A CN107522333 A CN 107522333A CN 201610449071 A CN201610449071 A CN 201610449071A CN 107522333 A CN107522333 A CN 107522333A
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- tank body
- tank
- inactivation
- valve
- biological wastewater
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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
- C02F1/02—Treatment of water, waste water, or sewage by heating
-
- 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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- 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
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
- C02F2103/343—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the pharmaceutical industry, e.g. containing antibiotics
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- 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
-
- 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
- C02F2303/22—Eliminating or preventing deposits, scale removal, scale prevention
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
A kind of inactivation tank for preventing biological wastewater from remaining, with tank body, tank body is provided with left and right ellipse head and water inlet, air inlet, exhaust outlet, Butterworth Hatch, sewage draining exit, valve is respectively arranged with water inlet, air inlet, exhaust outlet, Butterworth Hatch and the external pipeline of sewage draining exit, cleaning device is provided with tank body Butterworth Hatch is inscribed, cooling recirculation system is equipped on tank body；It is characterized in that：" L " type transfer tube is provided with tank body, air inlet is inscribed in one end of " L " type transfer tube, and the other end is provided with noiseless steam heater；Ring flange and switch valve are provided with sewage draining exit, the circular deep gouge of concentric arrangement is offered on ring flange, and abutted flange is set with the entrance outer wall of switch valve, abutted flange is fixedly connected by bolt with ring flange；Present invention inactivation efficiency high, inactivation is thorough, and energy consumption and operating cost are low, and securely and reliably, environment will not be polluted, and realizes and manually and automatically changes control, greatly reduces the labor intensity of worker.
Description
Technical field
The present invention relates to biological effluent treatment field, especially a kind of inactivation tank for preventing biological wastewater from remaining.
Background technology
Currently, substantial amounts of active bio waste water can be produced in experiment and production process in units such as Biopharmaceutical Enterprises, laboratory or scientific research institutions, bacterium containing large number of viable and virus in these biological wastewaters, with very big harmfulness, need after pathogen is killed in sterilization processing, can just be discharged into next stage sewage disposal system.
Traditional processing method to biological wastewater is physical sterilization method, by using inactivation tank, and it is equipped with corresponding pipeline, water pump and valve form biological wastewater inactivation system, a left side is provided with inactivation tank, right ellipse head and water inlet, air inlet, exhaust outlet, Butterworth Hatch, sewage draining exit, in water inlet, air inlet, exhaust outlet, ball valve is respectively arranged with Butterworth Hatch and the external pipeline of sewage draining exit, cleaning device is provided with tank body Butterworth Hatch is inscribed, wherein biological wastewater is inputted to tank body by water inlet, air inlet connects high-temperature steam generation apparatus by external pipeline, Butterworth Hatch connects scale remover device and sterilization liquid device by external pipeline.Inactivating the general principle that tank is inactivated to biological wastewater is：High-temperature steam is directly entered in active bio waste water, make that the thalline of bacterium is denatured or coagulase loses activity and makes bacterial death using high temperature, and chemical bond of the virus at high temperature in DNA, RNA straddles over year and receive heat and cause key to be broken, so that virus loses activity.
However, problems be present when being handled using existing inactivation tank biological wastewater：(1) no dead angle design is not accomplished in tank interior, cause inactivation not thorough, especially at the sewage draining exit of tank body, because the installation site of valve herein is unreasonable, biological wastewater is frequently resulted in remain in the pipeline between sewage draining exit to valve, and this part biological waste water is difficult to be inactivated by steam, so as to easily cause secondary pollution after being discharged into next stage sewage disposal system from blow-off pipe；(2) existing inactivation tank mainly use manually operated each valve and water pump, and not using the pattern of automatic operating, not only labor intensity is big, it is necessary to people is at every moment kept beside equipment, and not energy-conserving and environment-protective, is also easy to produce damage operation and inactivates not thorough；(3) when inactivating in tank to biological wastewater progress high-temperature inactivation, steam can not carry out fully contacting mixing with biological wastewater, leverage inactivation efficiency, and biological wastewater lacks mobility during being inactivated, so as to be easy to form incrustation scale, it is necessary to subsequently devote a tremendous amount of time carry out descaling rinsing in inactivation tank；(4) existing inactivation tank design is unreasonable, the biological wastewater after inactivation treatment is cooled by connecting cooling water system in tank body peripheral hardware interlayer, this volume for not only resulting in tank body increases, the space of occupancy is big, and isothermal holding can not be carried out to the inactivation tank for carrying out inactivation treatment, so as to not reach the effect of high-temperature inactivation, the efficiency of inactivation is leveraged；(5) exhaust treatment system is not provided with inactivation tank, when gas is not sterilized by thorough disinfection and directly discharged in tank body, easily causes environmental pollution, serious threat is caused to people's life and health.
The content of the invention
Existing above mentioned problem during present invention aim to solve to handle biological wastewater using current inactivation tank, it is that this one kind inactivates the energy-saving inactivation tank that efficiency high, safe operation are reliable, and realization manually and automatically controls.
The present invention concrete scheme be：A kind of inactivation tank for preventing biological wastewater from remaining,
With tank body, tank body is provided with left and right ellipse head and water inlet, air inlet, exhaust outlet, Butterworth Hatch, sewage draining exit, valve is respectively arranged with water inlet, air inlet, exhaust outlet, Butterworth Hatch and the external pipeline of sewage draining exit, cleaning device is provided with tank body Butterworth Hatch is inscribed, cooling recirculation system is equipped on tank body；It is characterized in that：" L " type transfer tube is provided with tank body, air inlet is inscribed in arrangement vertically for one end of " L " type transfer tube, the other end is horizontally disposed to be stretched to tank base and noiseless steam heater is provided with exit, ellipse head of the noiseless steam heater close to tank body wherein side；Ring flange and switch valve are provided with the sewage draining exit, the circular deep gouge of concentric arrangement is offered on ring flange, the entrance of switch valve matches with circular deep gouge, and abutted flange is set with the entrance outer wall of switch valve, and abutted flange is fixedly connected by bolt with ring flange.
Heretofore described valve is composed in parallel by ball valve and pneumatic stopping valve, and thermometer, pressure sensor and liquid level sensor are also equipped with tank body, and communication connection PLC, PLC form drive connection with each pneumatic stopping valve respectively respectively.
Heretofore described tank body is provided with partial pressure mouth, and partial pressure mouth is equipped with safety valve by the external caisson of pipeline on pipeline.
Heat-insulation layer is fitted with the outer wall of heretofore described tank body, and manhole is provided with one of ellipse head of tank body.
Heretofore described tank body is provided with circulation water inlet, heat exchanger has been sequentially connected in series with water circulating pump to form the cooling recirculation system by circulating water pipe between circulation water inlet and sewage draining exit, cooling water delivery pipe, the external blow-off pipe on circulating water pipe are housed in the heat transferring medium arrival end of heat exchanger；The cooling water delivery pipe forms drive connection with PLC respectively with being equipped with ball valve and pneumatic stopping valve parallel with one another, pneumatic stopping valve and water circulating pump on blow-off pipe.
Heretofore described water circulating pump is composed in parallel to form the using and the reserved by two, and ball valve is respectively arranged with the pipeline where every water circulating pump.
Tail end in the present invention in exhaust outlet external pipeline is equipped with exhaust gas filter.
The present invention has advantages below：
(1) present invention is used in tank body and designed without dead angle, and especially the structure of the sewage draining exit of tank body is improved, effectively prevent the residual of biological wastewater, it is ensured that inactivation is thorough；
(1) present invention is while control manually is realized, the Automated condtrol to each water pump and pneumatic stopping valve is realized by using PLC, so as to greatly reduce the labor intensity of worker, has been accomplished unattended, inactivation efficiency is improved, reduces energy consumption and operating cost；
(2) present invention realizes the real-time record of temperature involved when being run to inactivation tank, pressure, liquid level and other parameter indexs by PLC, and in this, as the foundation for judging system normal operation, security greatly improves；
(3) present invention in inactivation tank by setting " L " type transfer tube and noiseless steam heater, while ensuring that steam fully contacts mixing with biological wastewater, so that biological wastewater is back and forth flowed back in inactivation tank, so not only increase inactivation efficiency, and prevent biological wastewater when being inactivated, incrustation scale in biological wastewater is condensed on the inwall of inactivation tank, so as to substantially reduce the workload of follow-up descaling rinsing；
(4) present invention configures heat-insulation layer on inactivation tank, effectively prevent scattering and disappearing for heat in inactivation process, ensures that inactivating efficacy；
(5) by setting safety valve on inactivation tank in the present invention, it is ensured that when carrying out inactivation treatment to biological wastewater, the pressure in tank body maintains in the range of calibration value inactivation tank, improves the security of system operation；
(6) present invention passes through the external exhaust gas filter of exhaust ports in inactivation tank so that the gas in tank body is arranged into air again after treatment, to prevent causing environmental pollution, and people's life and health is threatened.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the close-up schematic view at K in Fig. 1.
In figure：1-tank body, 2-left ellipse head, 3-right ellipse head, 4-water inlet, 5-air inlet, 6-exhaust outlet, 7-Butterworth Hatch, 8-sewage draining exit, 9-ball valve, 10-cleaning device, 11-pneumatic stopping valve, 12-" L " type transfer tubes, 13-noiseless steam heater, 14-thermometer, 15-pressure sensor, 16-liquid level sensor, 17-partial pressure mouth, 18-caisson, 19-safety valve, 20-heat-insulation layer, 21-manhole, 22-circulation water inlet, 23-circulating water pipe, 24-heat exchanger, 25-water circulating pump, 26-cooling water delivery pipe, 27-blow-off pipe, 28-exhaust gas filter, 29-blowdown pond, 30-ring flange, 31-switch valve, 32-circular deep gouge, 33-abutted flange.
Embodiment
Referring to Fig. 1-2, the present invention has tank body 1, tank body 1 is provided with left and right ellipse head 2,3 and water inlet 4, air inlet 5, exhaust outlet 6, Butterworth Hatch 7, sewage draining exit 8, it is respectively arranged with valve on water inlet 4, air inlet 5, exhaust outlet 6, Butterworth Hatch 7 and the external pipeline of sewage draining exit 8, Butterworth Hatch 7 is inscribed provided with cleaning device 10 in tank body 1；" L " type transfer tube 12 is provided with tank body 1, air inlet 5 is inscribed in arrangement vertically for one end of " L " type transfer tube 12, the other end is horizontally disposed to be stretched to the bottom of tank body 1 and noiseless steam heater 13 is provided with exit, left ellipse head 2 of the noiseless steam heater 13 close to tank body 1（Or right ellipse head 3）；Ring flange 30 and switch valve 31 are provided with the sewage draining exit 8, the circular deep gouge 32 of concentric arrangement is offered on ring flange 30, the entrance of switch valve 31 matches with circular deep gouge 32, and abutted flange 33 is set with the entrance outer wall of switch valve 31, abutted flange 33 is fixedly connected by bolt with ring flange 30.
Valve described in the present embodiment is composed in parallel by ball valve 9 and pneumatic stopping valve 11, thermometer 14, pressure sensor 15 and liquid level sensor 16 are also equipped with tank body 1, communication connection PLC, PLC form drive connection with each pneumatic stopping valve 11 respectively respectively；Cooling recirculation system is equipped on tank body 1.
Tank body 1 described in the present embodiment is provided with partial pressure mouth 17, and partial pressure mouth 17 is equipped with safety valve 19 by the external caisson 18 of pipeline on pipeline so that the pressure in tank body 1 is maintained in the range of calibration value, so as to improve the security of system operation.
Heat-insulation layer 20 is fitted with the outer wall of tank body 1 described in the present embodiment, and manhole 21 is provided with one of ellipse head of tank body 1, to observe the disposition of biological wastewater in tank body 1, and facilitates staff to overhaul the device in tank body
Tank body 1 described in the present embodiment is provided with circulation water inlet 22, heat exchanger 24 has been sequentially connected in series with water circulating pump 25 to form the cooling recirculation system by circulating water pipe 23 between circulation water inlet 22 and sewage draining exit 8, cooling water delivery pipe 26 is housed in the heat transferring medium arrival end of heat exchanger 24, the external blow-off pipe 27 on circulating water pipe 23；The cooling water delivery pipe 26 forms drive connection with PLC respectively with being equipped with ball valve 9 parallel with one another and pneumatic stopping valve 11, pneumatic stopping valve 11 and water circulating pump 25 on blow-off pipe 27.
Water circulating pump 25 described in the present embodiment is composed in parallel to form the using and the reserved by two, and ball valve 9 is respectively arranged with the pipeline where every water circulating pump 25.
Tail end in the present embodiment in the external pipeline of exhaust outlet 6 is equipped with exhaust gas filter 28.
It is horizontal pressure vessel that tank is inactivated in the present embodiment, and the design condition that should meet is as follows：(1) design pressure：In tank:0.3MPa;(2) design temperature：In tank:150℃；(3) operating temperature:In tank:146℃;(4) operating pressure：In tank:0.25MPa;(5) temperature fluctuation：±2℃；(6) temperature homogeneity: ±2℃；(7) nominal volume：1000L；Total measurement (volume) is 1250L, inner diameter of steel flue 1000mm, is highly 1530mm, 29 a diameter of 1100mm of heat-insulation layer, coefficient：850%；(8) equipment liner material：SUS304；(9) heating-up time：125 DEG C are raised to from 20 DEG C, needs 45min;(10) standard, regulation are manufactured and designed：GB150-2011《GB150-1998》Design, manufacture, check and accept；1# is inactivated in the tank of tank and 2# inactivation tanks and is polished to Ra3.2 μm, no dead angle health convenient for cleaning；Tank body outer surface is polished to Ra0.8 μm.
The temperature-sensing probe of liquid level sensor 16 is made of 304 stainless steels in the present embodiment, and surface polishing, has corrosion-resistant, resistance to dirt；More than 130 DEG C of heatproof, reliability are high.
Each ball valve 9 is successively marked as J1, J2~J9 in the present embodiment, and each pneumatic stopping valve 11 is successively marked as F1, F2~F7.
The course of work of the present invention is as follows（Unlatching/closing of following each pneumatic stopping valve is realized under the control of PLC）：
(1) biological wastewater inactivation treatment：Pneumatic stopping valve F4 is opened, and biological wastewater is entered in tank body 1 from water inlet 4, and liquid level sensor 16 is monitored to liquid level and transmits Monitoring Data to PLC in real time, when the water level in tank body reaches setting water level（The 60%-70% of tank body internal volume）Pneumatic stopping valve F3 is opened, high-temperature steam in external steam raising plant is passed through to tank body by pipeline, and fully contact mixing with biological wastewater progress in the presence of noiseless steam heater 13, high-temperature inactivation is carried out to the pathogen in biological wastewater, at the same time, biological wastewater circularly flows back under the promotion of steam in tank body, effectively prevent the generation of fouling；During inactivation, when air pressure exceedes setting value in tank body 1, safety valve 19 is opened, and the gas of excess is discharged into caisson 18 from partial pressure mouth 17, to ensure that the air pressure in tank body 1 is maintained in certain scope.
(2) cool down：Open ball valve J8 or J9, pneumatic stopping valve F5, F7 are opened, cooling recirculation system startup optimization, biological wastewater after inactivation treatment is cooled, when the temperature of biological wastewater is reduced to 40 DEG C, pneumatic stopping valve F5, F7 are closed, and F6 is opened, blowdown pond 29 of the biological wastewater from the row of blow-off pipe 27 to next stage sewage disposal system.
(3) clean：Pneumatic stopping valve F1 is opened, and external sterilization liquid device/scale remover device is passed through thimerosal/scale remover to Butterworth Hatch 7 respectively, and by cleaning device 10 to being carried out disinfection inside tank body 1 and descaling rinsing.
(4) moise-heat sterilization, pneumatic stopping valve F3, steam, which is passed through in tank body 1, carries out high-temperature disinfection treatment, and after the completion of disinfecting, the gas in tank body 1 is discharged outside tank body after again passing by the secondary sterilization processing of exhaust gas filter 28.
Claims (7)
- A kind of 1. inactivation tank for preventing biological wastewater from remaining, with tank body, tank body is provided with left and right ellipse head and water inlet, air inlet, exhaust outlet, Butterworth Hatch, sewage draining exit, valve is respectively arranged with water inlet, air inlet, exhaust outlet, Butterworth Hatch and the external pipeline of sewage draining exit, cleaning device is provided with tank body Butterworth Hatch is inscribed, cooling recirculation system is equipped on tank body；It is characterized in that：" L " type transfer tube is provided with tank body, air inlet is inscribed in arrangement vertically for one end of " L " type transfer tube, the other end is horizontally disposed to be stretched to tank base and noiseless steam heater is provided with exit, ellipse head of the noiseless steam heater close to tank body wherein side；Ring flange and switch valve are provided with the sewage draining exit, the circular deep gouge of concentric arrangement is offered on ring flange, the entrance of switch valve matches with circular deep gouge, and abutted flange is set with the entrance outer wall of switch valve, and abutted flange is fixedly connected by bolt with ring flange.
- 2. a kind of inactivation tank for preventing biological wastewater from remaining according to claim 1, it is characterized in that：The valve is composed in parallel by ball valve and pneumatic stopping valve, and thermometer, pressure sensor and liquid level sensor are also equipped with tank body, and communication connection PLC, PLC form drive connection with each pneumatic stopping valve respectively respectively.
- 3. a kind of inactivation tank for preventing biological wastewater from remaining according to claim 1, it is characterized in that：The tank body is provided with partial pressure mouth, and partial pressure mouth is equipped with safety valve by the external caisson of pipeline on pipeline.
- 4. a kind of inactivation tank for preventing biological wastewater from remaining according to claim 1, it is characterized in that：Heat-insulation layer is fitted with the outer wall of the tank body, and manhole is provided with one of ellipse head of tank body.
- 5. a kind of inactivation tank for preventing biological wastewater from remaining according to claim 2, it is characterized in that：The tank body is provided with circulation water inlet, heat exchanger has been sequentially connected in series with water circulating pump to form the cooling recirculation system by circulating water pipe between circulation water inlet and sewage draining exit, cooling water delivery pipe, the external blow-off pipe on circulating water pipe are housed in the heat transferring medium arrival end of heat exchanger；The cooling water delivery pipe forms drive connection with the PLC respectively with being equipped with ball valve and pneumatic stopping valve parallel with one another, pneumatic stopping valve and water circulating pump on blow-off pipe.
- 6. a kind of inactivation tank for preventing biological wastewater from remaining stated according to claim 5, it is characterized in that：The water circulating pump is composed in parallel to form the using and the reserved by two, and ball valve is respectively arranged with the pipeline where every water circulating pump.
- 7. a kind of inactivation tank for preventing biological wastewater from remaining stated according to claim 1, it is characterized in that：Exhaust gas filter is housed in the tail end of exhaust outlet external pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610449071.9A CN107522333A (en) | 2016-06-21 | 2016-06-21 | A kind of inactivation tank for preventing biological wastewater from remaining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610449071.9A CN107522333A (en) | 2016-06-21 | 2016-06-21 | A kind of inactivation tank for preventing biological wastewater from remaining |
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| Publication Number | Publication Date |
|---|---|
| CN107522333A true CN107522333A (en) | 2017-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610449071.9A Pending CN107522333A (en) | 2016-06-21 | 2016-06-21 | A kind of inactivation tank for preventing biological wastewater from remaining |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114105387A (en) * | 2021-10-13 | 2022-03-01 | 华能南京金陵发电有限公司 | Municipal domestic sewage sterilization device and sterilization method thereof |
-
2016
- 2016-06-21 CN CN201610449071.9A patent/CN107522333A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114105387A (en) * | 2021-10-13 | 2022-03-01 | 华能南京金陵发电有限公司 | Municipal domestic sewage sterilization device and sterilization method thereof |
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| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171229 |
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| WD01 | Invention patent application deemed withdrawn after publication |