CN215828502U - Chemical nickel wastewater dephosphorization system - Google Patents
Chemical nickel wastewater dephosphorization system Download PDFInfo
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- CN215828502U CN215828502U CN202121171056.5U CN202121171056U CN215828502U CN 215828502 U CN215828502 U CN 215828502U CN 202121171056 U CN202121171056 U CN 202121171056U CN 215828502 U CN215828502 U CN 215828502U
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Abstract
The application provides a chemical nickel wastewater dephosphorization system. The chemical nickel wastewater dephosphorization system comprises a first oxidation and precipitation component, a second oxidation and precipitation component, a first sludge filter tank and a second sludge filter tank. Offer the first import and the first export that are linked together on the first sludge filtration jar, first import and first oxidation sediment subassembly intercommunication, first export and second oxidation sediment subassembly intercommunication. And a second inlet and a second outlet which are communicated are formed in the second sludge filtering tank, the second inlet is communicated with the second oxidation sedimentation tank, and the second outlet is used for draining water. The chemical nickel wastewater dephosphorization system has a good treatment effect on the chemical nickel wastewater.
Description
Technical Field
The utility model relates to the technical field of industrial wastewater treatment, in particular to a chemical nickel wastewater dephosphorization system.
Background
The chemical nickel wastewater is generated in cleaning water of parts, generally contains nickel and phosphorus, but is different from the common nickel electroplating wastewater and phosphorus-containing wastewater, nickel in the chemical nickel wastewater is complex nickel, a large amount of complexing agent and nickel ions generate complex to form complex nickel, the complex nickel is a substance dissolved in water, the complex nickel is difficult to remove by forming nickel hydroxide precipitate, phosphorus in the chemical nickel wastewater is hypophosphorous, the phosphorus and nickel removal effect of the existing chemical nickel wastewater phosphorus removal system is poor, the nickel content and the phosphorus content in effluent obtained after treatment are difficult to stably reach the discharge standard, and the large amount of nickel and phosphorus is caused to be discharged to influence the environment.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provides a chemical nickel wastewater dephosphorization system with a good chemical nickel wastewater treatment effect.
The purpose of the utility model is realized by the following technical scheme:
a chemical nickel wastewater dephosphorization system comprises:
a first oxidation and precipitation component;
a second oxidation precipitation component;
the first sludge filtering tank is provided with a first inlet and a first outlet which are communicated, the first inlet is communicated with the first oxidation and precipitation component, and the first outlet is communicated with the second oxidation and precipitation component;
and the second sludge filtering tank is provided with a second inlet and a second outlet which are communicated, the second inlet is communicated with the second oxidation sedimentation tank, and the second outlet is used for draining water.
In one embodiment, the chemical nickel wastewater dephosphorization system further comprises a chemical nickel wastewater collection tank, and the chemical nickel wastewater collection tank is communicated with the first oxidation and precipitation component.
In one embodiment, the first sludge filtering tank comprises a filtering tank body, a filtering pipe and a filtering net, the first inlet is formed in the filtering tank body, the filtering pipe penetrates through the filtering tank body and is connected with the filtering tank body to form a filtering cavity and a flowing cavity which are communicated, the filtering cavity is communicated with the first inlet, and the filtering net is sleeved on the filtering pipe.
In one embodiment, the filtering pipe is provided with a plurality of through holes, and the through holes are respectively communicated with the filtering cavity and the flow cavity.
In one embodiment, the filtering tank body comprises a filtering tank cover body part and a filtering tank shell part, the filtering tank cover body part is covered on the filtering tank shell part, the first inlet is arranged on the filtering tank cover body part, the filtering pipes are respectively arranged on the filtering tank cover body part and the filtering tank shell part in a penetrating mode, the filtering pipes are movably connected with the filtering tank cover body part, and the filtering pipes are connected with the filtering tank shell part.
In one embodiment, the filter pipe protruding out of the cover body of the filter tank is provided with an air suction port, and the air suction port is communicated with the flow cavity;
the chemical nickel wastewater dephosphorization system further comprises an air pump, wherein the air pump is arranged on the filtering tank body and is communicated with the air pumping port.
In one embodiment, the first sludge filtration tank further comprises a liquid storage tank body, the liquid storage tank body is respectively connected with the filtration tank shell and the filtration pipe, the first outlet is formed in the liquid storage tank body, a liquid storage cavity is further formed in the liquid storage tank body, and the liquid storage cavity is respectively communicated with the first outlet and the flow cavity.
In one embodiment, the filter canister housing portion, the liquid reservoir body, and the filter tube are an integrally formed structure.
In one embodiment, the first oxidation and precipitation assembly comprises a first acid adjusting tank, a first oxidation tank, a first alkali adjusting tank, a first coagulation tank and a first precipitation tank which are sequentially communicated, and the first precipitation tank is communicated with the first inlet.
In one embodiment, the second oxidation and precipitation assembly comprises a second acid adjusting tank, a second oxidation tank, a second alkali adjusting tank, a second coagulation tank and a second precipitation tank which are sequentially communicated, wherein the second acid adjusting tank is communicated with the first outlet, and the second precipitation tank is communicated with the second inlet.
Compared with the prior art, the utility model has at least the following advantages:
in the chemical nickel wastewater dephosphorization system, the first oxidation and precipitation component and the second oxidation and precipitation component carry out oxidation and precipitation on the hypophosphorous acid and the nickel-containing complex in the chemical nickel wastewater to remove the hypophosphorous acid and the nickel-containing complex, and because the first oxidation and precipitation component is communicated with the first sludge filter tank through the first inlet, the second oxidation and precipitation component is communicated with the first sludge filter tank through the first outlet, and the second oxidation and precipitation tank is communicated with the second sludge filter tank through the second inlet, namely the first oxidation and precipitation component, the first sludge filter tank, the second oxidation and precipitation component and the second sludge filter tank are communicated in sequence, the hypophosphorous acid and the nickel-containing complex in the chemical nickel wastewater are subjected to primary oxidation and precipitation through the first oxidation and precipitation component, precipitates containing phosphoric acid and nickel formed after the primary oxidation and precipitation are filtered through the first sludge filter tank to obtain the chemical nickel wastewater which is subjected to primary dephosphorization and nickel removal, because the content of the hypophosphorous acid and the nickel-containing complex compound in the chemical nickel wastewater subjected to primary phosphorus removal and nickel removal does not reach the discharge standard, the chemical nickel wastewater subjected to primary phosphorus removal and nickel removal is subjected to secondary oxidation precipitation by the second oxidation precipitation component, and a precipitate containing phosphoric acid and nickel formed after the secondary oxidation precipitation is filtered by the second sludge filter tank to obtain the chemical nickel wastewater subjected to secondary phosphorus removal and nickel removal.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural diagram of a chemical nickel wastewater dephosphorization system according to an embodiment of the utility model;
FIG. 2 is an exploded view of a first sludge filtration tank of the chemical nickel wastewater phosphorous removal system shown in FIG. 1;
FIG. 3 is a sectional view of a first sludge filtration tank of the chemical nickel wastewater phosphorous removal system shown in FIG. 1.
Detailed Description
To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The application provides a chemical nickel wastewater dephosphorization system. The chemical nickel wastewater dephosphorization system comprises a first oxidation and precipitation component, a second oxidation and precipitation component, a first sludge filter tank and a second sludge filter tank. Offer the first import and the first export that are linked together on the first sludge filtration jar, first import and first oxidation sediment subassembly intercommunication, first export and second oxidation sediment subassembly intercommunication. And a second inlet and a second outlet which are communicated are formed in the second sludge filtering tank, the second inlet is communicated with the second oxidation sedimentation tank, and the second outlet is used for draining water.
In the chemical nickel wastewater dephosphorization system, the first oxidation and precipitation component and the second oxidation and precipitation component carry out oxidation and precipitation on the hypophosphorous acid and the nickel-containing complex in the chemical nickel wastewater to remove the hypophosphorous acid and the nickel-containing complex, and because the first oxidation and precipitation component is communicated with the first sludge filter tank through the first inlet, the second oxidation and precipitation component is communicated with the first sludge filter tank through the first outlet, and the second oxidation and precipitation tank is communicated with the second sludge filter tank through the second inlet, namely the first oxidation and precipitation component, the first sludge filter tank, the second oxidation and precipitation component and the second sludge filter tank are sequentially communicated, the hypophosphorous acid and the nickel-containing complex in the chemical nickel wastewater are subjected to primary oxidation and precipitation through the first oxidation and precipitation component, and precipitates containing phosphoric acid and nickel formed after the primary oxidation and precipitation are filtered through the first sludge filter tank to obtain the chemical nickel wastewater which is subjected to primary dephosphorization and nickel removal, because the content of the hypophosphorous acid and the nickel-containing complex compound in the chemical nickel wastewater subjected to primary phosphorus removal and nickel removal does not reach the discharge standard, the chemical nickel wastewater subjected to primary phosphorus removal and nickel removal is subjected to secondary oxidation precipitation by the second oxidation precipitation component, and a precipitate containing phosphoric acid and nickel formed after the secondary oxidation precipitation is filtered by the second sludge filter tank to obtain the chemical nickel wastewater subjected to secondary phosphorus removal and nickel removal.
It can be understood that, if only the first oxidation precipitation component and the first sludge filtration tank are adopted to circularly remove phosphorus and nickel from the chemical nickel wastewater, in the process of treating the chemical nickel wastewater, the chemical nickel wastewater added next time needs to be circularly treated after the circular treatment of the chemical nickel wastewater added each time is completed, so that the first oxidation precipitation component or the first sludge filtration tank stops working in the chemical nickel wastewater removing system, and the removal efficiency of the chemical nickel wastewater removing system on phosphorus and nickel from the chemical nickel wastewater is reduced.
It should be noted that the first oxidation precipitation component, the second oxidation precipitation component, the first sludge filtration tank and the second sludge filtration tank are communicated through a pipeline in sequence, and the first oxidation precipitation component, the first sludge filtration tank, the second oxidation precipitation component and the second sludge filtration tank are communicated through a water suction pump and a one-way valve in sequence, so that the chemical nickel wastewater passes through the first oxidation precipitation component, the second oxidation precipitation component, the first sludge filtration tank and the second sludge filtration tank in a one-way manner in sequence.
It should be noted that the first sludge filtration tank and the second sludge filtration tank have the same structure.
It is further noted that the first inlet is in communication with the liquid outlet of the first oxidation and precipitation assembly. The first outlet is communicated with a liquid inlet of the second oxidation precipitation component. The second inlet is communicated with a liquid outlet of the second oxidation sedimentation tank.
It should be further noted that the first oxidation and precipitation assembly and the second oxidation and precipitation assembly both perform oxidation and precipitation on the hypophosphorous acid and the nickel-containing complex in the chemical nickel wastewater to remove the hypophosphorous acid and the nickel-containing complex, and specifically, the first oxidation and precipitation assembly is exemplified below, in which ferrous sulfate and hydrogen peroxide are mixed under an acidic condition to generate strong oxidizing property in the first oxidation and precipitation assembly to oxidize the hypophosphite in the chemical nickel wastewater into orthophosphate, and calcium carbonate and polyacrylamide are used to perform flocculation and standing precipitation on the chemical nickel wastewater to further realize oxidation and precipitation on the chemical nickel wastewater.
Referring to fig. 1 and 2 together, in order to better understand the chemical nickel wastewater phosphorus removal system 10 of the present application, the chemical nickel wastewater phosphorus removal system 10 of the present application is further explained below, and an embodiment of the chemical nickel wastewater phosphorus removal system 10 includes a first oxidation precipitation module 100, a second oxidation precipitation module 200, a first sludge filtration tank 300, and a second sludge filtration tank 400. The first sludge filter tank 300 is provided with a first inlet 2111 and a first outlet 241 which are communicated, the first inlet 2111 is communicated with the first oxidation and precipitation component 100, and the first outlet 241 is communicated with the second oxidation and precipitation component 200. The second sludge filtering tank 400 is provided with a second inlet 410 and a second outlet 420 which are communicated, the second inlet 410 is communicated with the second oxidation sedimentation tank, and the second outlet 420 is used for draining water.
In the above-mentioned chemical nickel wastewater dephosphorization system 10, the first oxidation precipitation component 100 and the second oxidation precipitation component 200 both perform oxidation precipitation on the hypophosphorous acid and the nickel-containing complex in the chemical nickel wastewater to remove the hypophosphorous acid and the nickel-containing complex, and because the first oxidation precipitation component 100 is communicated with the first sludge filtration tank 300 through the first inlet 2111, the second oxidation precipitation component 200 is communicated with the first sludge filtration tank 300 through the first outlet 241, and the second oxidation precipitation tank is communicated with the second sludge filtration tank 400 through the second inlet 410, that is, the first oxidation precipitation component 100, the first sludge filtration tank 300, the second oxidation precipitation component 200 and the second sludge filtration tank 400 are sequentially communicated, so that the hypophosphorous acid and the nickel-containing complex in the chemical nickel wastewater are subjected to primary oxidation precipitation through the first oxidation precipitation component 100, and the precipitate containing phosphoric acid and nickel formed after the primary oxidation precipitation is filtered through the first sludge filtration tank 300 to obtain the chemical nickel removal and dephosphorization The content of the hypophosphorous acid and the nickel-containing complex in the chemical nickel wastewater subjected to primary phosphorus removal and nickel removal can not reach the discharge standard, so that the chemical nickel wastewater subjected to primary phosphorus removal and nickel removal is subjected to secondary oxidation and precipitation by the second oxidation and precipitation assembly 200, and the precipitate containing phosphoric acid and nickel formed after secondary oxidation and precipitation is filtered by the second sludge filter tank 400 to obtain the chemical nickel wastewater subjected to secondary phosphorus removal and nickel removal, so that the removal effect of phosphorus and nickel in the chemical nickel wastewater is effectively improved.
In one embodiment, the chemical nickel wastewater dephosphorization system further comprises a chemical nickel wastewater collection tank, and the chemical nickel wastewater collection tank is communicated with the first oxidation and precipitation assembly, so that the source stability of the chemical nickel wastewater in the chemical nickel wastewater dephosphorization system is improved.
Referring to fig. 2 and 3, in one embodiment, the first sludge filtering tank 300 includes a filtering tank 210, a filtering pipe 220 and a filtering net 230, a first inlet 2111 is formed on the filtering tank 210, the filtering pipe 220 penetrates through the filtering tank 210 and is connected with the filtering tank 210 to form a filtering cavity 213 and a flow cavity 221 which are communicated, the filtering cavity 213 is communicated with the first inlet 2111, and the filtering net 230 is sleeved on the filtering pipe 220, so that the precipitation of phosphorus and nickel and the separation of the wastewater containing phosphorus and nickel are better realized.
Referring to fig. 2 and 3, in one embodiment, the filtering pipe 220 is provided with a plurality of through holes 222, and the plurality of through holes 222 are respectively communicated with the filtering chamber 213 and the flow chamber 221, so as to better realize the separation of the phosphorus and nickel-containing precipitate and the phosphorus and nickel-containing wastewater.
Referring to fig. 2 and 3, in one embodiment, the filter tank 210 includes a filter tank cover 211 and a filter tank housing 212, the filter tank cover 211 is covered on the filter tank housing 212, the first inlet 2111 is formed on the filter tank cover 211, the filter pipes 220 are respectively inserted into the filter tank cover 211 and the filter tank housing 212, the filter pipes 220 are movably connected to the filter tank cover 211, and the filter pipes 220 are connected to the filter tank housing 212, so as to facilitate cleaning of the deposits containing phosphorus and nickel, and further improve the convenience of cleaning the deposits containing phosphorus and nickel.
Referring to fig. 2 and 3, in one embodiment, the filter tube 220 is threadably connected to the filter tank lid 211 to better facilitate cleaning of deposits containing phosphorus and nickel.
Referring to fig. 2 and 3, in one embodiment, an air suction port 223 is formed on the filter pipe 220 protruding from the filter tank cover body 211, the air suction port 223 is communicated with the flow chamber 221, and further, the chemical nickel wastewater dephosphorization system 10 further includes an air suction pump 500, the air suction pump 500 is disposed on the filter tank body 210, and the air suction pump 500 is communicated with the air suction port 223, which is beneficial to increasing the separation speed of the phosphorus and nickel-containing precipitate and the phosphorus and nickel-containing wastewater, thereby improving the treatment efficiency of the chemical nickel wastewater.
Referring to fig. 2 and 3, in one embodiment, the first sludge filtration tank 300 further includes a tank body 240, the tank body 240 is connected to the filtration tank housing 212 and the filtration pipe 220, the first outlet 241 is disposed on the tank body 240, and a tank cavity 242 is further disposed on the tank body 240, the tank cavity 242 is communicated with the first outlet 241 and the flow cavity 221, respectively, so as to better implement the continuous treatment of the chemical nickel wastewater by the chemical nickel wastewater dephosphorization system 10.
Referring to fig. 1 and 2, in one embodiment, the filter tank housing portion 212, the liquid storage tank body portion 240 and the filter pipe 220 are integrally formed, so that the connection stability and the structural compactness of the filter tank housing portion 212, the liquid storage tank body portion 240 and the filter pipe 220 are improved, the structural stability and the structural compactness of the first sludge filter tank 300 are further improved, and in addition, the number of processing procedures of the first sludge filter tank 300 is reduced, which is beneficial to improving the preparation efficiency of the first sludge filter tank 300.
Referring to fig. 1 and 2, in one embodiment, the first oxidation and precipitation assembly 100 includes a first acid adjusting tank 110, a first oxidation tank 120, a first alkali adjusting tank 130, a first coagulation tank 140, and a first precipitation tank 150, which are sequentially connected, and the first precipitation tank 150 is connected to a first inlet 2111. It should be noted that a liquid outlet of the first oxidation and precipitation assembly 100 is arranged on the first precipitation tank 150, and it should be further noted that the first acid regulation tank 110, the first oxidation tank 120, the first alkali regulation tank 130, the first coagulation tank 140 and the first precipitation tank 150 are sequentially communicated through a pipeline, and the first acid regulation tank 110, the first oxidation tank 120, the first alkali regulation tank 130, the first coagulation tank 140 and the first precipitation tank 150 are sequentially communicated through a one-way valve, so that the chemical nickel wastewater sequentially and unidirectionally passes through the first acid regulation tank 110, the first oxidation tank 120, the first alkali regulation tank 130, the first coagulation tank 140 and the first precipitation tank 150, and phosphorus and nickel in the chemical nickel wastewater are effectively removed.
Referring to fig. 1 and fig. 2 together, in one embodiment, the second oxidation and precipitation assembly 200 includes a second acid adjusting tank 210, a second oxidation tank 220, a second alkali adjusting tank 230, a second coagulation tank 240 and a second precipitation tank 250, which are sequentially connected, wherein the second acid adjusting tank 210 is connected to the first outlet 241, and the second precipitation tank 250 is connected to the second inlet 410. It should be noted that a liquid inlet of the second oxidation and precipitation assembly 200 is provided on the second acid adjusting tank 210, a liquid outlet of the second oxidation and precipitation assembly 200 is provided on the second precipitation tank 250, and it should be further noted that the second acid adjusting tank 210, the second oxidation tank 220, the second alkali adjusting tank 230, the second coagulation tank 240 and the second precipitation tank 250 are sequentially communicated through a pipeline, and the second acid adjusting tank 210, the second oxidation tank 220, the second alkali adjusting tank 230, the second coagulation tank 240 and the second precipitation tank 250 are sequentially communicated through a one-way valve, so that the chemical nickel wastewater sequentially and unidirectionally passes through the second acid adjusting tank 210, the second oxidation tank 220, the second alkali adjusting tank 230, the second coagulation tank 240 and the second precipitation tank 250, thereby better achieving effective removal of phosphorus and nickel in the chemical nickel wastewater.
It should be noted that the first acid adjusting tank 110, the first oxidation tank 120, the first alkali adjusting tank 130, the first coagulation tank 140, the first sedimentation tank 150, the second acid adjusting tank 210, the second oxidation tank 220, the second alkali adjusting tank 230, the second coagulation tank 240 and the second sedimentation tank 250 are all existing devices, and the chemical nickel wastewater dephosphorization system 10 protects the connection relationship and the position relationship of the first acid adjusting tank 110, the first oxidation tank 120, the first alkali adjusting tank 130, the first coagulation tank 140, the first sedimentation tank 150, the second acid adjusting tank 210, the second oxidation tank 220, the second alkali adjusting tank 230, the second coagulation tank 240 and the second sedimentation tank 250.
Compared with the prior art, the utility model has at least the following advantages:
in the chemical nickel wastewater dephosphorization system 10, the first oxidation precipitation component 100 and the second oxidation precipitation component 200 both perform oxidation precipitation on the hypophosphorous acid and the nickel-containing complex in the chemical nickel wastewater to remove the hypophosphorous acid and the nickel-containing complex, and because the first oxidation precipitation component 100 is communicated with the first sludge filter tank 300 through the first inlet 2111, the second oxidation precipitation component 200 is communicated with the first sludge filter tank 300 through the first outlet 241, and the second oxidation precipitation tank is communicated with the second sludge filter tank 400 through the second inlet 410, that is, the first oxidation precipitation component 100, the first sludge filter tank 300, the second oxidation precipitation component 200 and the second sludge filter tank 400 are sequentially communicated, so that the hypophosphorous acid and the nickel-containing complex in the chemical nickel wastewater are subjected to primary oxidation precipitation through the first oxidation precipitation component 100, and the precipitate containing phosphoric acid and nickel formed after the primary oxidation precipitation is filtered through the first sludge filter tank 300 to obtain the chemical nickel-removal and dephosphorization The content of the hypophosphorous acid and the nickel-containing complex in the chemical nickel wastewater subjected to primary phosphorus removal and nickel removal can not reach the discharge standard, so that the chemical nickel wastewater subjected to primary phosphorus removal and nickel removal is subjected to secondary oxidation and precipitation by the second oxidation and precipitation assembly 200, and the precipitate containing phosphoric acid and nickel formed after secondary oxidation and precipitation is filtered by the second sludge filter tank 400 to obtain the chemical nickel wastewater subjected to secondary phosphorus removal and nickel removal, so that the removal effect of phosphorus and nickel in the chemical nickel wastewater is effectively improved.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A chemical nickel wastewater dephosphorization system is characterized by comprising:
a first oxidation and precipitation component;
a second oxidation precipitation component;
the first sludge filtering tank is provided with a first inlet and a first outlet which are communicated, the first inlet is communicated with the first oxidation and precipitation component, and the first outlet is communicated with the second oxidation and precipitation component;
and the second sludge filtering tank is provided with a second inlet and a second outlet which are communicated, the second inlet is communicated with the second oxidation sedimentation tank, and the second outlet is used for draining water.
2. The chemical nickel wastewater phosphorus removal system of claim 1, further comprising a chemical nickel wastewater collection tank in communication with the first oxidation and precipitation assembly.
3. The chemical nickel wastewater dephosphorization system of claim 1, wherein the first sludge filtration tank comprises a filtration tank body, a filtration pipe and a filter screen, the first inlet is arranged on the filtration tank body, the filtration pipe penetrates through the filtration tank body and is connected with the filtration tank body to form a filtration cavity and a flow cavity which are communicated, the filtration cavity is communicated with the first inlet, and the filter screen is sleeved on the filtration pipe.
4. The chemical nickel wastewater dephosphorization system according to claim 3, wherein a plurality of through holes are opened on said filter pipe, and said plurality of through holes are respectively communicated with said filter chamber and said flow chamber.
5. The chemical nickel wastewater dephosphorization system of claim 3, wherein the filtration tank body comprises a filtration tank cover body part and a filtration tank shell part, the filtration tank cover body part is covered on the filtration tank shell part, the first inlet is arranged on the filtration tank cover body part, the filter pipes are respectively arranged on the filtration tank cover body part and the filtration tank shell part in a penetrating manner, the filter pipes are movably connected with the filtration tank cover body part, and the filter pipes are connected with the filtration tank shell part.
6. The chemical nickel wastewater dephosphorization system according to claim 5, wherein an extraction opening is formed on the filter pipe protruding out of the cover body of the filter tank, and the extraction opening is communicated with the flow cavity;
the chemical nickel wastewater dephosphorization system further comprises an air pump, wherein the air pump is arranged on the filtering tank body and is communicated with the air pumping port.
7. The chemical nickel wastewater dephosphorization system of claim 5, wherein the first sludge filtration tank further comprises a liquid storage tank body, the liquid storage tank body is respectively connected with the filtration tank body and the filtration pipe, the first outlet is arranged on the liquid storage tank body, and a liquid storage cavity is further arranged on the liquid storage tank body, and the liquid storage cavity is respectively communicated with the first outlet and the flow cavity.
8. The chemical nickel wastewater dephosphorization system according to claim 7, wherein said filter tank housing portion, said liquid storage tank body portion and said filter pipe are of an integrally formed structure.
9. The chemical nickel wastewater dephosphorization system according to claim 1, wherein the first oxidation and precipitation assembly comprises a first acid adjusting tank, a first oxidation tank, a first alkali adjusting tank, a first coagulation tank and a first precipitation tank which are sequentially communicated, and the first precipitation tank is communicated with the first inlet.
10. The chemical nickel wastewater dephosphorization system according to any one of claims 1 to 9, wherein the second oxidation and precipitation assembly comprises a second acid regulating tank, a second oxidation tank, a second alkali regulating tank, a second coagulation tank and a second precipitation tank which are sequentially communicated, the second acid regulating tank is communicated with the first outlet, and the second precipitation tank is communicated with the second inlet.
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| CN202121171056.5U CN215828502U (en) | 2021-05-27 | 2021-05-27 | Chemical nickel wastewater dephosphorization system |
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| CN202121171056.5U CN215828502U (en) | 2021-05-27 | 2021-05-27 | Chemical nickel wastewater dephosphorization system |
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| CN215828502U true CN215828502U (en) | 2022-02-15 |
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