CN201762138U - Photocatalysis treatment reaction control system of papermaking sewage - Google Patents
Photocatalysis treatment reaction control system of papermaking sewage Download PDFInfo
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- CN201762138U CN201762138U CN2010205051562U CN201020505156U CN201762138U CN 201762138 U CN201762138 U CN 201762138U CN 2010205051562 U CN2010205051562 U CN 2010205051562U CN 201020505156 U CN201020505156 U CN 201020505156U CN 201762138 U CN201762138 U CN 201762138U
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- papermaking wastewater
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The utility model discloses a photocatalysis treatment reaction control system of papermaking sewage, which is characterized in that an industrial personal computer is in signal connection with a PLC (Programmable Logic Controller); the PLC is in signal connection with an analog output device and an analog input device; the simulative output device is in signal connection with a first pump, a second pump, a third pump, a fourth pump and a fifth pump; the simulative input device is in signal connection with a pH value sensor and a liquid level sensor; the papermaking sewage is conveyed into a reaction tank through the first pump and a pipeline; acid liquor in an acid storage tank is conveyed into the reaction tank through the second pump and a pipeline; alkali liquor in an alkali storage tank is conveyed into the reaction tank through the third pump and a pipeline; titanium dioxide in a titanium dioxide tank is conveyed into the reaction tank through the fourth pump and a pipeline; a mixed solution of the reaction tank circularly returns to the reaction tank after passing through the fifth pump and a photocatalysis reactor; and the pH value sensor and the liquid level sensor are arranged in the reaction tank. The utility model has the advantages of online monitoring, automatic control and good treating effect.
Description
Technical field
The utility model relates to technical field of sewage, is specifically related to a kind of papermaking wastewater photocatalysis treatment reaction control system.
Background technology
The major function of papermaking wastewater treatment system is the cleaning action of finishing sewage, and by after the system handles, output meets the water body of discharging standards with sewage.For a long time, though the industrial sewage treatment technology development rapidly, but still lag behind the needs of industrial development, sewage treating efficiency is low, and low grade of operation rate influenced industrial expansion greatly.Realizing the function of simple and easy, efficient, the less energy-consumption of sewage disposal technology, realize the automatization of sewage treatment process, is the inexorable trend of development.
The utility model content
The utility model is in order to overcome the deficiency that above prior art exists, the papermaking wastewater photocatalysis treatment reaction control system of provide a kind of on-line monitoring, controlling automatically.
The purpose of this utility model realizes by following technical scheme: this papermaking wastewater photocatalysis treatment reaction control system, it is characterized in that: comprise industrial computer, the PLC controller, the simulation output equipment, simulation imput device, first pump, reaction tank, second pump, acid storage tank, the 3rd pump, storage alkali jar, the 4th pump, the titanium dioxide jar, the 5th pump, photo catalysis reactor, pH value transmitter and liquid level sensor, described industrial computer signal connects the PLC controller, the PLC controller signals connects the simulation output equipment, simulation imput device, simulation output equipment signal connects first pump, second pump, the 3rd pump, the 4th pump, the 5th pump, simulation imput device signal connect pH value transmitter, liquid level sensor;
Papermaking wastewater arrives reaction tank by first pump and pipe-line transportation, the acid solution of acid storage tank arrives reaction tank by second pump and pipe-line transportation, the alkali lye of storage alkali jar arrives reaction tank by the 3rd pump and pipe-line transportation, the titanium dioxide of titanium dioxide jar arrives reaction tank by the 4th pump and pipe-line transportation, the mixed solution of reaction tank is by being circulated back to reaction tank after the 5th pump and the photo catalysis reactor, and pH value transmitter, liquid level sensor are arranged in the reaction tank.
As a kind of preferred version, the siemens EM232 that described simulation output equipment is 3 parallel connections, first EM232 signal connects any two of five pumps, and second EM232 signal connects any two that are left three pumps, and the 3rd EM232 signal connects a remaining pump.
As a kind of preferred version, described simulation imput device is siemens EM231.
As a kind of preferred version, described EM231 signal connects the pH value controller able to programme and the fluid level controller able to programme of PLC controller.
As a kind of preferred version, described PLC controller model is siemens S7-200.
As a kind of preferred version, described industrial computer model is for grinding magnificent 610L.
As a kind of preferred version, described photo catalysis reactor is horizontal photo catalysis reactor, is provided with the 10W ultraviolet lamp in it.Utilize the lamp source of 10W ultraviolet lamp as the papermaking wastewater photocatalysis treatment, reactor is an open type, providing light-catalyzed reaction required oxygen.
As a kind of preferred version, described first pump, second pump, the 3rd pump, the 4th pump, the 5th pump are peristaltic pump.
According to different practical situation, described papermaking wastewater is the sewage after combined sewage or the process biochemical treatment.
The utility model has following advantage with respect to prior art:
1, the utility model is based on the photocatalysis treatment technology of papermaking wastewater, developed the light-catalyzed reaction Controlling System, adopt the system layer control texture, grinding magnificent 610L industrial computer with one is upper computer, utilize " KingView 6.53 " version software exploitation man-machine interface, with siemens S7-200 PLC is lower computer, utilize STEP 7-Micro/WIN programming, adopt EM231, EM232 is as analog quantity input unit and output equipment, designed a cover papermaking wastewater photocatalysis treatment reaction control system, realized each pump, the isoparametric on-line monitoring of pH value and liquid level, automatically control, functions such as data-base recording enquire, the mode of utilizing PC control software to clock is carried out reaction end control to light-catalyzed reaction system, obtain reliable and stable papermaking wastewater photocatalysis treatment effect, realize the automatic control of papermaking wastewater light-catalyzed reaction, for photocatalysis treatment Technology of Sewage from now on provides technical support to the transition of industrial applications.
2, utilize the conventional PID control strategy, the PLC controller is controlled the liquid level of reaction tank by fluid level controller able to programme, liquid level sensor; Utilize three section nonlinear PID controller strategies, by pH value controller able to programme, pH value transmitter, second pump, the 3rd pump, control acid solution, alkali lye two channels feed liquor, the pH value in conditioned reaction pond is controlled respond well, speed of response is fast, the revolution fluctuation scope of acid and alkali pumps is little near the precision height, reference mark, has not only avoided the oscillatory occurences of pH value, also saved consumption sour, the alkali medicine greatly, the real-time and the economy of control all are improved.
Description of drawings
Fig. 1 is the structural representation of papermaking wastewater photocatalysis treatment reaction control system of the present utility model.
Fig. 2 is a control flow block diagram of the present utility model.
Fig. 3 is that the COD degradation rate is schemed over time in the photocatalysis treatment mixing papermaking wastewater process.
Fig. 4 be behind the photocatalysis treatment biochemistry in the papermaking wastewater process COD degradation rate scheme over time.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
Embodiment 1:
Among Fig. 1,1 is first pump, and 2 is second pump, and 3 is the 3rd pump, and 4 is the 4th pump, and 5 is the 5th pump, and 6 is horizontal photo catalysis reactor, and 7 is ultraviolet lamp.
Papermaking wastewater photocatalysis treatment reaction control system as shown in Figure 1, comprise industrial computer, the PLC controller, the simulation output equipment, simulation imput device, first pump, reaction tank, second pump, acid storage tank, the 3rd pump, storage alkali jar, the 4th pump, the titanium dioxide jar, the 5th pump, photo catalysis reactor, pH value transmitter and liquid level sensor, the industrial computer signal connects the PLC controller, the PLC controller signals connects the simulation output equipment, simulation imput device, simulation output equipment signal connects first pump, second pump, the 3rd pump, the 4th pump, the 5th pump, simulation imput device signal connect pH value transmitter, liquid level sensor;
Papermaking wastewater arrives reaction tank by first pump and pipe-line transportation, the acid solution of acid storage tank arrives reaction tank by second pump and pipe-line transportation, the alkali lye of storage alkali jar arrives reaction tank by the 3rd pump and pipe-line transportation, the titanium dioxide of titanium dioxide jar arrives reaction tank by the 4th pump and pipe-line transportation, the mixed solution of reaction tank is by being circulated back to reaction tank after the 5th pump and the photo catalysis reactor, and pH value transmitter, liquid level sensor are arranged in the reaction tank.
The simulation output equipment is the siemens EM232 of 3 parallel connections, and first EM232 signal connects second pump and the 3rd pump, and second EM232 signal connects first pump and the 4th pump, and the 3rd EM232 signal connects the 5th pump.
Simulation imput device is siemens EM231.The EM231 signal connects the pH value controller able to programme and the fluid level controller able to programme of PLC controller.
PLC controller model is siemens S7-200.The industrial computer model is for grinding magnificent 610L.
Photo catalysis reactor is horizontal photo catalysis reactor, is provided with the 10W ultraviolet lamp in it.Utilize the lamp source of 10W ultraviolet lamp as the papermaking wastewater photocatalysis treatment, reactor is an open type, providing light-catalyzed reaction required oxygen.
First pump, second pump, the 3rd pump, the 4th pump, the 5th pump are peristaltic pump.
The control flow of this Controlling System as shown in Figure 2.
Embodiment 2:
The combined sewage in Guangzhou paper plant secondary fiber papermaking workshop, water sample is after sedimentation, filtering, and centrifugation 10min under the 3000rpm rotating speed removes fiber fines and large particulate matter.
To through the papermaking wastewater after the preliminary treatment, utilize the photocatalysis treatment reaction control system of embodiment 1, utilize the liquid level in the liquid level PID Controlling System control reaction tank successively; Add colloidal tio 2 and do the light-catalyzed reaction agent; Add acid solution or alkali lye as required, utilize three section nonlinear PID controller systems that the pH value of water body is adjusted to 3; Open ultraviolet lamp then and shine, carry out light-catalyzed reaction and handle papermaking wastewater; The mode of utilizing PC control software to clock is carried out reaction end control (reaction end is that total system quits work) to light-catalyzed reaction system.After the processing, mix the COD value of papermaking wastewater and reduce to 103mg/L, the COD degradation rate before and after the photocatalysis treatment is 89%.The degradation rate of water sample COD changes as shown in Figure 3 in the reaction process.
Embodiment 3:
Sewage after the process biochemical treatment in secondary fiber papermaking factory of Guangzhou paper plant sewage disposal workshop.Water sample is after sedimentation, filtering, and centrifugation 10min under the 3000rpm rotating speed removes fiber fines and large particulate matter.
Utilize the photocatalysis treatment reaction control system of embodiment 1, utilize the liquid level in the liquid level PID Controlling System control reaction tank successively; Add colloidal tio 2 and do the light-catalyzed reaction agent; Add acid solution or alkali lye as required, utilize three section nonlinear PID controller systems that the pH value of water body is adjusted to 3; Open ultraviolet lamp then and shine, carry out light-catalyzed reaction and handle papermaking wastewater; The mode of utilizing PC control software to clock is carried out reaction end control to light-catalyzed reaction system.After the processing, mix the COD value of papermaking wastewater and reduce to 75mg/L, the COD degradation rate before and after the photocatalysis treatment is 74%.The degradation rate of water sample COD changes as shown in Figure 4 in the reaction process.
Above-mentioned embodiment is a preferred embodiment of the present utility model; can not limit the utility model; other any change that does not deviate from the technical solution of the utility model and made or other equivalent substitute mode are included within the protection domain of the present utility model.
Claims (9)
1. papermaking wastewater photocatalysis treatment reaction control system, it is characterized in that: comprise industrial computer, the PLC controller, the simulation output equipment, simulation imput device, first pump, reaction tank, second pump, acid storage tank, the 3rd pump, storage alkali jar, the 4th pump, the titanium dioxide jar, the 5th pump, photo catalysis reactor, pH value transmitter and liquid level sensor, described industrial computer signal connects the PLC controller, the PLC controller signals connects the simulation output equipment, simulation imput device, simulation output equipment signal connects first pump, second pump, the 3rd pump, the 4th pump, the 5th pump, simulation imput device signal connect pH value transmitter, liquid level sensor;
Papermaking wastewater arrives reaction tank by first pump and pipe-line transportation, the acid solution of acid storage tank arrives reaction tank by second pump and pipe-line transportation, the alkali lye of storage alkali jar arrives reaction tank by the 3rd pump and pipe-line transportation, the titanium dioxide of titanium dioxide jar arrives reaction tank by the 4th pump and pipe-line transportation, the mixed solution of reaction tank is by being circulated back to reaction tank after the 5th pump and the photo catalysis reactor, and pH value transmitter, liquid level sensor are arranged in the reaction tank.
2. papermaking wastewater photocatalysis treatment reaction control system according to claim 1, it is characterized in that: the siemens EM232 that described simulation output equipment is 3 parallel connections, first EM232 signal connects any two of five pumps, second EM232 signal connects any two that are left three pumps, and the 3rd EM232 signal connects a remaining pump.
3. papermaking wastewater photocatalysis treatment reaction control system according to claim 1 is characterized in that: described simulation imput device is siemens EM231.
4. papermaking wastewater photocatalysis treatment reaction control system according to claim 3 is characterized in that: described EM231 signal connects the pH value controller able to programme and the fluid level controller able to programme of PLC controller.
5. papermaking wastewater photocatalysis treatment reaction control system according to claim 1 is characterized in that: described PLC controller model is siemens S7-200.
6. papermaking wastewater photocatalysis treatment reaction control system according to claim 1 is characterized in that: described industrial computer model is for grinding magnificent 610L.
7. papermaking wastewater photocatalysis treatment reaction control system according to claim 1, it is characterized in that: described photo catalysis reactor is horizontal photo catalysis reactor, is provided with the 10W ultraviolet lamp in it.
8. papermaking wastewater photocatalysis treatment reaction control system according to claim 1 is characterized in that: described first pump, second pump, the 3rd pump, the 4th pump, the 5th pump are peristaltic pump.
9. papermaking wastewater photocatalysis treatment reaction control system according to claim 1 is characterized in that: described papermaking wastewater is the sewage after combined sewage or the process biochemical treatment.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205051562U CN201762138U (en) | 2010-08-24 | 2010-08-24 | Photocatalysis treatment reaction control system of papermaking sewage |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010205051562U CN201762138U (en) | 2010-08-24 | 2010-08-24 | Photocatalysis treatment reaction control system of papermaking sewage |
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| CN201762138U true CN201762138U (en) | 2011-03-16 |
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| CN2010205051562U Expired - Fee Related CN201762138U (en) | 2010-08-24 | 2010-08-24 | Photocatalysis treatment reaction control system of papermaking sewage |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102863077A (en) * | 2012-08-24 | 2013-01-09 | 华南理工大学 | Automatic monitoring system for treatment of papermaking sewage with activated sludge process and control method thereof |
| CN105800755A (en) * | 2016-05-12 | 2016-07-27 | 上海应用技术学院 | Water quality online monitoring system and method of wastewater coagulation treatment unit |
| CN105967268A (en) * | 2016-05-23 | 2016-09-28 | 中山市捷信科技服务有限公司 | Visible light catalysis sewage treatment equipment |
| CN106568723A (en) * | 2016-10-31 | 2017-04-19 | 华南理工大学 | Photocatalysis performance automatic detection system |
| CN108121371A (en) * | 2016-11-28 | 2018-06-05 | 上海东冠纸业有限公司 | A kind of environment-friendly type is used for the pit alert system of papermaking clear water reserviors |
| CN108890529A (en) * | 2018-07-25 | 2018-11-27 | 浙江工业大学 | Photocatalysis cobalt-base alloys control system for processing and control method |
| CN113504344A (en) * | 2021-08-18 | 2021-10-15 | 中国科学院南京土壤研究所 | Method and device for evaluating long-acting performance of acid soil conditioner |
-
2010
- 2010-08-24 CN CN2010205051562U patent/CN201762138U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102863077A (en) * | 2012-08-24 | 2013-01-09 | 华南理工大学 | Automatic monitoring system for treatment of papermaking sewage with activated sludge process and control method thereof |
| CN105800755A (en) * | 2016-05-12 | 2016-07-27 | 上海应用技术学院 | Water quality online monitoring system and method of wastewater coagulation treatment unit |
| CN105967268A (en) * | 2016-05-23 | 2016-09-28 | 中山市捷信科技服务有限公司 | Visible light catalysis sewage treatment equipment |
| CN105967268B (en) * | 2016-05-23 | 2019-01-22 | 中山市捷信科技服务有限公司 | A kind of visible light catalytic sewage disposal device |
| CN106568723A (en) * | 2016-10-31 | 2017-04-19 | 华南理工大学 | Photocatalysis performance automatic detection system |
| CN108121371A (en) * | 2016-11-28 | 2018-06-05 | 上海东冠纸业有限公司 | A kind of environment-friendly type is used for the pit alert system of papermaking clear water reserviors |
| CN108890529A (en) * | 2018-07-25 | 2018-11-27 | 浙江工业大学 | Photocatalysis cobalt-base alloys control system for processing and control method |
| CN108890529B (en) * | 2018-07-25 | 2023-06-23 | 浙江工业大学 | Photocatalytic cobalt-based alloy processing control system and control method |
| CN113504344A (en) * | 2021-08-18 | 2021-10-15 | 中国科学院南京土壤研究所 | Method and device for evaluating long-acting performance of acid soil conditioner |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110316 Termination date: 20130824 |