CN219620974U - Industrial wastewater integrated treatment equipment - Google Patents

Industrial wastewater integrated treatment equipment Download PDF

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CN219620974U
CN219620974U CN202320470799.5U CN202320470799U CN219620974U CN 219620974 U CN219620974 U CN 219620974U CN 202320470799 U CN202320470799 U CN 202320470799U CN 219620974 U CN219620974 U CN 219620974U
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tank
industrial wastewater
anoxic
aerobic
water inlet
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谢棣成
任明信
王鑫
宋艳华
欧阳清华
李海波
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Hynar Water Group Corp
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Hynar Water Group Corp
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

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Abstract

The utility model provides an industrial wastewater integrated treatment device which comprises a hydrolysis acidification tank, an anaerobic tank, a first anoxic tank, a first aerobic tank, a second anoxic tank, a second aerobic tank, a sedimentation tank and a clean water tank which are connected in sequence; the anaerobic tank is provided with a first water inlet regulating valve, and a first oxidation-reduction potentiometer is arranged in the anaerobic tank; the first anoxic tank is provided with a second water inlet regulating valve, and a second oxidation-reduction potentiometer is arranged in the first anoxic tank; the opening degree of the first water inlet regulating valve changes along with the change of the detection value of the first oxidation-reduction potentiometer, and the opening degree of the second water inlet regulating valve changes along with the change of the detection value of the second oxidation-reduction potentiometer. The treatment of different types of industrial wastewater is realized through the adjustment of the water quality characteristics, and the carbon source addition amount can be reduced through changing the water inlet mode.

Description

Industrial wastewater integrated treatment equipment
Technical Field
The utility model relates to the technical field of sewage treatment, in particular to industrial wastewater integrated treatment equipment.
Background
In recent years, along with the continuous improvement of social economy in China, industrial parks are built in various cities, and the industrial parks have important significance for the stable development of regional economy and the reduction of facility cost. Meanwhile, a large amount of sewage discharged from the industrial park threatens the living environment of people, once the sewage enters water, soil and the like, the water is deteriorated, the soil fertility is reduced and the like, and serious sewage discharge also affects the health of residents around the industrial park and park workers. The industrial park mainly comprises organic chemical industry such as organic chemical industry, textile printing and dyeing industry, coking wastewater and the like, and has great significance for strengthening the treatment of sewage discharged by the industrial park. Therefore, the wastewater generated by each enterprise needs to be pretreated by a sewage station in the enterprise, and can be uniformly discharged into a sewage treatment plant in a park to be further intensively and deeply treated after reaching the takeover standard.
Industrial wastewater contains a large amount of organic and inorganic pollutants, has the characteristics of complex components, high toxicity, high pollutant concentration, high salinity, difficult degradation, large harm and the like, and becomes an important point to be solved in industrial wastewater treatment in China. Most of the integrated wastewater treatment equipment in the current market aims at the treatment of urban domestic wastewater, but the integrated wastewater treatment equipment generally has the problems of high concentration, high salt and high toxicity, and has the problems of poor treatment effect, higher running cost and the like when facing the industrial wastewater with complex components, the operation of treatment facilities is not ideal, particularly the nitrification effect is easy to be inhibited, and the organic matter removal effect is poor.
Disclosure of Invention
In view of the problems, the present utility model has been made to provide an industrial wastewater integrated treatment apparatus that overcomes the problems or at least partially solves the problems, including:
an industrial wastewater integrated treatment device comprises a hydrolytic acidification tank, an anaerobic tank, a first anoxic tank, a first aerobic tank, a second anoxic tank, a second aerobic tank, a sedimentation tank and a clean water tank which are connected in sequence;
the anaerobic tank is provided with a first water inlet regulating valve, and a first oxidation-reduction potentiometer is arranged in the anaerobic tank; the first anoxic tank is provided with a second water inlet regulating valve, and a second oxidation-reduction potentiometer is arranged in the first anoxic tank;
the opening degree of the first water inlet regulating valve changes along with the change of the detection value of the first oxidation-reduction potentiometer, and the opening degree of the second water inlet regulating valve changes along with the change of the detection value of the second oxidation-reduction potentiometer.
Preferably, the sedimentation tank forms a first return pipeline with the hydrolysis acidification tank, the anaerobic tank and the first anoxic tank, and the first anoxic tank and the first aerobic tank form a second return pipeline.
Preferably, the device further comprises a sludge storage tank, wherein the sludge storage tank is connected with the sedimentation tank.
Preferably, the sedimentation tank is internally provided with inclined tube filler for intercepting the sludge lost from the second aerobic tank.
Preferably, a first aeration disc is arranged at the bottom of the first aerobic tank, and a second aeration disc is arranged at the bottom of the second aerobic tank.
Preferably, the device further comprises an aeration fan, wherein the aeration fan is connected with the first aeration disc and the second aeration disc respectively.
Preferably, the hydrolytic acidification tank is filled with hydrolytic acidification filler.
Preferably, the hydrolysis acidification tank is provided with a water inlet electric valve.
Preferably, the hydrolysis acidification tank, the anaerobic tank, the first anoxic tank, the first aerobic tank, the second anoxic tank, the second aerobic tank and the sedimentation tank are respectively provided with a water outlet and distribution device.
Preferably, a water outlet of the water outlet and distribution device of the sedimentation tank is communicated with the clean water tank.
The utility model has the following advantages:
in the embodiment of the utility model, compared with the problems that when the integrated equipment in the prior art is used for treating industrial wastewater with complex components, the treatment effect is poor and the nitrification effect is easy to be inhibited, the utility model provides a solution by changing the water inlet mode, which comprises the following specific steps: comprises a hydrolytic acidification tank, an anaerobic tank, a first anoxic tank, a first aerobic tank, a second anoxic tank, a second aerobic tank, a sedimentation tank and a clean water tank which are connected in sequence; the anaerobic tank is provided with a first water inlet regulating valve, and a first oxidation-reduction potentiometer is arranged in the anaerobic tank; the first anoxic tank is provided with a second water inlet regulating valve, and a second oxidation-reduction potentiometer is arranged in the first anoxic tank; the opening degree of the first water inlet regulating valve changes along with the change of the detection value of the first oxidation-reduction potentiometer, and the opening degree of the second water inlet regulating valve changes along with the change of the detection value of the second oxidation-reduction potentiometer. The integrated equipment disclosed by the utility model can be flexibly adjusted through the water quality characteristics, can realize the treatment of different types of industrial wastewater, has high automation degree and stable operation, and can reduce the addition amount of carbon sources by changing the water inlet mode.
Drawings
In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description of the present utility model will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort to a person skilled in the art.
FIG. 1 is a schematic view of an integrated industrial wastewater treatment apparatus according to an embodiment of the present utility model;
fig. 2 is another schematic structural view of an integrated industrial wastewater treatment apparatus according to an embodiment of the present utility model.
Reference numerals in the drawings of the specification are as follows:
100. a hydrolytic acidification tank; 101. a water inlet electric valve; 102. hydrolyzing and acidifying the filler; 103. a hydrolysis acidification regulating valve back flow electric valve; 200. an anaerobic tank; 201. a first inlet regulator valve; 202. a first oxidation-reduction potentiometer; 203, a base station; the anaerobic regulating valve is a reflux electric valve; 300. a first anoxic tank; 301. a second inlet regulator valve; 302. a second oxidation-reduction potentiometer; 303. the hypoxia regulating valve is a reflux electric valve; 400. a first aerobic tank; 401. a first aeration disc; 402. an aeration fan; 403. a primary aerobic internal reflux pump; 500. a second anoxic tank; 600. a second aerobic tank; 601. a second aeration disc; 700. a sedimentation tank; 701. inclined tube filler; 702. a precipitated sludge reflux pump; 800. a clean water tank; 900. and (5) a sludge storage pool.
Detailed Description
In order that the manner in which the above recited objects, features and advantages of the present utility model are obtained will become more readily apparent, a more particular description of the utility model briefly described above will be rendered by reference to the appended drawings. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The inventors found by analyzing the prior art that: the quality of industrial wastewater is characterized as follows:
(1) The fluctuation of water quality and water quantity is large, the difference of water quality and water quantity in different periods is large, and the stability is poor;
(2) The waste water in different industries has larger difference, various components of organic pollutants, more toxic and difficult-to-degrade substances and poor biodegradability;
(3) The method has the advantages of more toxic and harmful substances, high concentration of organic matters, high salt content, high chromaticity, high content of refractory compounds, more biodegradable substances, poor biodegradability, high treatment difficulty and high treatment cost.
Therefore, the utility model aims at solving the problems of different types of industrial wastewater, can flexibly adjust the operation mode according to the water quality characteristics of the industrial wastewater, can be widely applied to the integrated treatment equipment of most industrial wastewater, and has the advantages of high automation degree, stable operation, low operation cost and good treatment effect.
Referring to fig. 1 to 2, there is shown an industrial wastewater integrated treatment apparatus according to an embodiment of the present utility model, including a hydrolytic acidification tank 100, an anaerobic tank 200, a first anoxic tank 300, a first aerobic tank 400, a second anoxic tank 500, a second aerobic tank 600, a sedimentation tank 700, and a clean water tank 800, which are sequentially connected;
the anaerobic tank 200 is provided with a first water inlet regulating valve 201, and a first oxidation-reduction potentiometer 202 is arranged in the anaerobic tank 200; the first anoxic tank 300 is provided with a second water inlet regulating valve 301, and a second oxidation-reduction potentiometer 302 is arranged in the first anoxic tank 300;
the first intake regulator 201 changes with the change of the detection value of the first oxidation-reduction potentiometer 202, and the second intake regulator 301 changes with the change of the detection value of the second oxidation-reduction potentiometer 302.
In the embodiment of the utility model, compared with the problems that when the integrated equipment in the prior art is used for treating industrial wastewater with complex components, the treatment effect is poor and the nitrification effect is easy to be inhibited, the utility model provides a solution by changing the water inlet mode, which comprises the following specific steps: comprises a hydrolytic acidification tank 100, an anaerobic tank 200, a first anoxic tank 300, a first aerobic tank 400, a second anoxic tank 500, a second aerobic tank 600, a sedimentation tank 700 and a clean water tank 800 which are connected in sequence; the anaerobic tank 200 is provided with a first water inlet regulating valve 201, and a first oxidation-reduction potentiometer 202 is arranged in the anaerobic tank 200; the first anoxic tank 300 is provided with a second water inlet regulating valve 301, and a second oxidation-reduction potentiometer 302 is arranged in the first anoxic tank 300; the first intake regulator 201 changes with the change of the detection value of the first oxidation-reduction potentiometer 202, and the second intake regulator 301 changes with the change of the detection value of the second oxidation-reduction potentiometer 302. The integrated equipment disclosed by the utility model can be flexibly adjusted through the water quality characteristics, can realize the treatment of different types of industrial wastewater, has high automation degree and stable operation, and can reduce the addition amount of carbon sources by changing the water inlet mode.
Next, an industrial wastewater integrated treatment apparatus in the present exemplary embodiment will be further described.
In this embodiment, the industrial wastewater integrated treatment apparatus includes: hydrolysis acidification tank 100, anaerobic tank 200, first anoxic tank 300, first aerobic tank 400, second anoxic tank 500, second aerobic tank 600, sedimentation tank 700, clean water tank 800 and sludge storage tank 900;
the hydrolysis acidification tank 100, the anaerobic tank 200, the first anoxic tank 300, the first aerobic tank 400, the second anoxic tank 500, the second aerobic tank 600 and the sedimentation tank 700 are respectively provided with a water outlet and distribution device; the anaerobic tank 200 is communicated with the first water inlet regulating valve 201, the first anoxic tank 300 is communicated with the second water inlet regulating valve 301, and the hydrolytic acidification tank 100 is communicated with the electric valve 101;
in this embodiment, the hydrolytic acidification tank 100 is filled with hydrolytic acidification filler 102.
As an example, the hydrolytic acidification tank 100 is internally provided with the hydrolytic acidification filler 102, and after industrial wastewater enters the hydrolytic acidification tank 100, the industrial wastewater is fully contacted with activated sludge microorganisms on the hydrolytic acidification tank 102, so as to intercept and gradually convert insoluble organic matters in the wastewater into soluble organic matters, and some difficult biodegradable macromolecular substances are converted into easily degradable micromolecular substances, such as organic acids, thereby greatly improving the biodegradability and degradation speed of the wastewater, and facilitating the subsequent aerobic biological treatment.
In a specific implementation, when the wastewater enters the hydrolysis acidification tank 100 and is treated by the hydrolysis acidification tank 100, the wastewater enters the anaerobic tank 200 through a water outlet and distribution device of the hydrolysis acidification tank 100, a first Oxidation-reduction potentiometer 202 (ORP) is installed in the anaerobic tank 200, the Oxidation-reduction potential in the anaerobic tank 200 is controlled to be between minus 350 mv and minus 450mv, and when the wastewater exceeds the range, the opening of a first water inlet regulating valve 201 of the anaerobic tank 200 is automatically controlled by a PLC system so as to ensure that the Oxidation-reduction potential is within a required range. After the wastewater is treated by the anaerobic unit, the wastewater enters the first anoxic tank 300 through the water outlet and distribution device of the anaerobic tank 200, and a second oxidation-reduction potentiometer 302 is arranged in the first anoxic tank 300 and used for controlling the oxidation-reduction potential in the first anoxic tank 300 to be about 0mv, when the wastewater exceeds the range, the opening of a second water inlet regulating valve 301 of the first anaerobic tank 300 is automatically controlled by a PLC system, so that a required carbon source is provided for denitrification, the carbon source adding amount of the system is reduced, and the denitrification effect is achieved.
In this embodiment, a first aeration disc 401 is disposed at the bottom of the first aerobic tank 400, a second aeration disc 601 is disposed at the bottom of the second aerobic tank 600, aeration holes are disposed on the first aeration disc 401 and the second aeration disc 601, and the aeration fan 402 is connected with the first aeration disc 401 and the second aeration disc 602 respectively.
In a specific implementation, after the wastewater is subjected to anoxic treatment by the first anoxic tank 300, the wastewater enters the first aerobic tank 400 through a water outlet and distribution device of the first anoxic tank 300, a first aeration disc 401 is arranged at the bottom of the first aerobic tank 400, and the first aeration disc 401 is used for providing oxygen required by aerobic microorganisms; after the wastewater is treated by the first aerobic tank 400, the wastewater enters the second anoxic tank 500 through a water outlet and distribution device of the first aerobic tank 400, and nitrite remained in the first aerobic tank 400 is further converted into nitrogen; when the wastewater is treated by the second anoxic tank 500, the wastewater enters the second aerobic tank 600 through a water outlet and distribution device of the second anoxic tank 500, a second aeration disc 601 is arranged at the bottom of the second aerobic tank 600 to provide oxygen for aerobic microorganisms, and after the wastewater is treated by the second aerobic tank 600, organic matters in the wastewater are basically removed.
In a specific implementation, a certain amount of AB bacteria is added into the first aerobic tank 400 and the second aerobic tank 600 respectively, so that the organic matter removal rate can be improved by more than 30% and the ammonia nitrogen removal rate can be improved by more than 20% compared with the traditional biochemical system.
The AB strain is Acinetobacter baumannii, is a conditional pathogenic bacterium of strict aerobic and non-lactose fermentation, does not have flagella, has low mobility, has extremely strong vitality, and can be widely existing in nature.
In this embodiment, the sedimentation tank 700 forms a first return line with the hydrolytic acidification tank 100, the anaerobic tank 200 and the first anoxic tank 300, the first anoxic tank 300 and the first aerobic tank 400 form a second return line, and the sludge reservoir 900 is connected with the sedimentation tank 700.
As an example, a corresponding hydrolysis acidification adjusting valve reflux electric valve 103 is arranged at the connection position of the first reflux pipeline and the hydrolysis acidification tank 100, a corresponding anaerobic adjusting valve reflux electric valve 203 is arranged at the connection position of the first reflux pipeline and the anaerobic tank 200, a corresponding anoxic adjusting valve reflux electric valve 303 is arranged at the connection position of the first reflux pipeline and the first anoxic tank 300, and a precipitated sludge reflux pump 702 is arranged at the connection position of the first reflux pipeline and the precipitation tank 700; the second return line is provided with a primary aerobic internal return pump 403.
In a specific implementation, the sludge in the first aerobic tank 400 is always returned to the first anoxic tank 300 through a second return pipeline, and the primary aerobic internal return pump 403 is a variable-frequency water pump, so as to control the return ratio and play a role in denitrification; the wastewater treated by the second aerobic tank 600 enters the sedimentation tank 700 through a water outlet and distribution device of the second aerobic tank 600, a pipe chute filler 701 is arranged in the sedimentation tank 700, sludge lost by the aerobic tank can be effectively trapped, and the sludge flows back to a front biochemical system through a first return pipeline, namely flows back to the hydrolysis acidification tank 100, the anaerobic tank 200 and the first anoxic tank 300, so as to ensure biomass of the biochemical system, and the water discharged from the sedimentation tank 700 flows to the clean water tank 800 through the water outlet and distribution device of the sedimentation tank 700, and reaches the standard after being sterilized by adding sodium hypochlorite; the sludge in the sedimentation tank 700 is discharged to the sludge storage tank 900, and the sludge is discharged from the sedimentation tank 700 to the sludge storage tank 900 under the control of the valve of the sedimentation sludge return pump 702.
While preferred embodiments of the present utility model have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the embodiments of the utility model.
Finally, it is further noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article or terminal device comprising the element.
The above description of the integrated treatment equipment for industrial wastewater provided by the utility model applies specific examples to illustrate the principle and the implementation of the utility model, and the above examples are only used for helping to understand the method and the core idea of the utility model; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present utility model, the present description should not be construed as limiting the present utility model in view of the above.

Claims (10)

1. An industrial wastewater integrated treatment device is characterized by comprising a hydrolytic acidification tank, an anaerobic tank, a first anoxic tank, a first aerobic tank, a second anoxic tank, a second aerobic tank, a sedimentation tank and a clean water tank which are connected in sequence;
the anaerobic tank is provided with a first water inlet regulating valve, and a first oxidation-reduction potentiometer is arranged in the anaerobic tank; the first anoxic tank is provided with a second water inlet regulating valve, and a second oxidation-reduction potentiometer is arranged in the first anoxic tank;
the opening degree of the first water inlet regulating valve changes along with the change of the detection value of the first oxidation-reduction potentiometer, and the opening degree of the second water inlet regulating valve changes along with the change of the detection value of the second oxidation-reduction potentiometer.
2. The industrial wastewater integrated treatment apparatus of claim 1, wherein the sedimentation tank forms a first return line with the hydrolytic acidification tank, the anaerobic tank, and the first anoxic tank, respectively, and the first anoxic tank and the first aerobic tank form a second return line.
3. The industrial wastewater integrated treatment facility of claim 2, further comprising a sludge reservoir connected to the sedimentation tank.
4. The integrated industrial wastewater treatment device of claim 1, wherein a chute filler is provided in the sedimentation tank for intercepting sludge lost from the second aerobic tank.
5. The industrial wastewater integrated treatment device of claim 1, wherein a first aeration disc is arranged at the bottom of the first aerobic tank, and a second aeration disc is arranged at the bottom of the second aerobic tank.
6. The industrial wastewater integrated treatment apparatus of claim 5, further comprising an aeration fan connected to the first aeration plate and the second aeration plate, respectively.
7. The industrial wastewater integrated treatment apparatus of claim 1, wherein the hydrolytic acidification tank is filled with hydrolytic acidification filler.
8. The industrial wastewater integrated treatment device of claim 1, wherein the hydrolytic acidification tank is provided with a water inlet electric valve.
9. The industrial wastewater integrated treatment device according to claim 1, wherein the hydrolysis acidification tank, the anaerobic tank, the first anoxic tank, the first aerobic tank, the second anoxic tank, the second aerobic tank and the sedimentation tank are respectively provided with a water outlet and distribution device.
10. The industrial wastewater integrated treatment device of claim 9, wherein a water outlet of the water outlet and distribution device of the sedimentation tank is communicated with the clean water tank.
CN202320470799.5U 2023-03-02 2023-03-02 Industrial wastewater integrated treatment equipment Active CN219620974U (en)

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Application Number Priority Date Filing Date Title
CN202320470799.5U CN219620974U (en) 2023-03-02 2023-03-02 Industrial wastewater integrated treatment equipment

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Application Number Priority Date Filing Date Title
CN202320470799.5U CN219620974U (en) 2023-03-02 2023-03-02 Industrial wastewater integrated treatment equipment

Publications (1)

Publication Number Publication Date
CN219620974U true CN219620974U (en) 2023-09-01

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Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
CN (1) CN219620974U (en)

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