CN212770324U - Chemical wastewater treatment system - Google Patents
Chemical wastewater treatment system Download PDFInfo
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- CN212770324U CN212770324U CN202020998109.XU CN202020998109U CN212770324U CN 212770324 U CN212770324 U CN 212770324U CN 202020998109 U CN202020998109 U CN 202020998109U CN 212770324 U CN212770324 U CN 212770324U
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Abstract
The utility model relates to the technical field of chemical wastewater treatment, and discloses a chemical wastewater treatment system, which comprises a reaction tank, a hydrocyclone separator and a reprocessing tank which are connected in sequence; the reaction tank is filled with biological granular sludge, and is provided with a water inlet pipe for conveying chemical wastewater, an aeration riser pipe for conveying the biological granular sludge and a slurry discharge pipe; the slurry discharge pipe is communicated with the hydrocyclone separator. The utility model adopts the biological-physical combined treatment of chemical wastewater, which has good treatment effect, does not add new chemical reagent and has good treatment effect; and the aeration riser pipe can improve the treatment effect on the chemical wastewater.
Description
Technical Field
The utility model relates to a chemical wastewater treatment technical field particularly, relates to a chemical wastewater treatment system.
Background
Chemical wastewater contains various heavy metals, harmful substances and the like, and if the chemical wastewater is not treated or directly discharged without treatment, the chemical wastewater pollutes the water environment, and causes the problems of water eutrophication, drinking unsuitability and the like.
At present, most of chemical wastewater treatment devices adopt a mode of combined treatment of a physical device and a chemical reagent. However, the above technical means for wastewater treatment is easy to introduce new chemical reagents, and has the problem of difficult recovery, while the physical means is difficult to remove the chemical reagents, thereby increasing the treatment difficulty.
Disclosure of Invention
An object of the utility model is to provide a chemical wastewater treatment system for the chemical-physics that chemical processing apparatus exists among the solution prior art unites processing apparatus and is poor to chemical wastewater treatment effect, chemical reagent is difficult to get rid of the technical problem who retrieves. The chemical wastewater treatment device of the utility model has good treatment effect.
The embodiment of the utility model is realized like this:
a chemical wastewater treatment system comprises a reaction tank, a hydrocyclone and a retreatment tank which are connected in sequence; the reaction tank is filled with biological granular sludge, and is provided with a water inlet pipe for conveying chemical wastewater, an aeration riser pipe for conveying the biological granular sludge and a slurry discharge pipe; the slurry discharge pipe is communicated with the hydrocyclone separator.
The utility model has the advantages that:
the chemical wastewater is treated by adopting the biological-physical combination, the treatment effect is good, no new chemical reagent is added, and the treatment effect is good; and the aeration riser pipe can improve the treatment effect on the chemical wastewater.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
FIG. 1 is a schematic view showing the structure of a chemical wastewater treatment system according to an embodiment.
Reference numerals: 100- -a reaction tank; 110- -water inlet pipe; 120-aeration riser pipe; 130-slurry discharge pipe; 141- -driving motor; 142-a stir bar; 143- -stirring blade; 200-hydrocyclone separator; 300- -retreatment tank; 310- -settling zone; 320- -adsorption interval; 331- -a filter plate; 332- -divider member; 3321- -push rod; 3322- -telescoping rod; 3323- -fixed plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "inside", "outside", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the utility model is usually placed when using, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Examples
As shown in fig. 1, the present embodiment discloses a chemical wastewater treatment system, which comprises a reaction tank 100, a hydrocyclone 200 and a retreatment tank 300 connected in sequence; the reaction tank 100 is filled with biological particle sludge, and the reaction tank 100 is provided with a water inlet pipe 110 for conveying chemical wastewater, an aeration riser pipe 120 for conveying biological particle sludge and a slurry discharge pipe 130; the slurry discharge pipe 130 communicates with the hydrocyclone 200.
The biological granular sludge is adopted to treat high-concentration toxic organic substances and sewage with high nitrogen and phosphorus contents completely, and the treatment on organic wastewater can also achieve a good effect. The slurry mixed by the biological particle sludge and the wastewater is conveyed to a hydrocyclone 200 for solid-liquid separation, so that the chemical wastewater after biological treatment is separated, and then the chemical wastewater is introduced into a retreatment pool 300 for secondary treatment to further remove particulate matters, suspended matters and the like in the chemical wastewater, so that the discharge requirement of the chemical wastewater is met. By configuring the aeration riser pipe 120, the feeding of the biological particle sludge is facilitated to be conveyed on the one hand, and the mixing effect of the chemical wastewater and the biological particle sludge is improved on the other hand, so that the action effect of the biological particle sludge is facilitated.
In this embodiment, the feed inlet of the hydrocyclone 200 is connected to the slurry outlet pipe 130, the liquid outlet of the hydrocyclone 200 is connected to the reprocessing tank 300, and the slag outlet of the hydrocyclone 200 is connected to the aeration riser pipe 120.
In this embodiment, the reprocessing tank 300 is divided into a settling zone 310 and an adsorption zone 320, the settling zone 310 and the adsorption zone 320 are separated by a partition, and the partition is used for controlling the on-off of fluid between the settling zone 310 and the adsorption zone 320; the liquid outlet of the hydrocyclone 200 is communicated with the settling zone 310, the adsorption zone 320 is provided with a liquid outlet, and the adsorption zone 320 is filled with an adsorbent. The settling section 310 is used for treating the chemical wastewater treated by the reaction tank 100, so that the chemical wastewater naturally settles to obtain a supernatant and a precipitate, the supernatant flows into the adsorption section 320 through the control partition, and the adsorption section 320 adsorbs the supernatant to adsorb fine impurities of the supernatant, thereby completing the treatment of the chemical wastewater.
In this embodiment, the specific structure of the partition is that the partition includes a pair of filter plates 331 erected in the reprocessing tank 300 and a partition 332 disposed between the filter plates 331; the filter plates 331 are formed with filter holes, and the partition members 332 can reciprocate along the length direction of the filter plates 331. The reciprocating motion of the partition 332 is controlled to control the connection and disconnection between the settling section 310 and the adsorption section 320.
In this embodiment, the partition member 332 includes a push rod 3321, a telescopic rod 3322 and a fixing plate 3323 connected in sequence, and the fixing plate 3323 is fixed to the bottom of the reprocessing tank 300. Through promoting the push rod 3321, the push rod 3321 drives the telescopic link 3322 to reciprocate, thereby realizing the break-make between the settling section 310 and the adsorption section 320, and in this embodiment, because the push rod 3321 is configured at the top of the reprocessing tank 300, the supernatant can flow from the settling section 310 to the adsorption section 320.
In this embodiment, in order to improve the reaction efficiency of the biological particle sludge and the chemical wastewater, a stirring member is configured in the reaction tank 100, the stirring member includes a driving motor 141, a stirring rod 142 and a stirring blade 143, one end of the stirring rod 142 is fixedly connected to the driving motor 141, the other end of the stirring rod 142 passes through the top of the reaction tank 100 and extends into the reaction tank 100, and the other end of the stirring rod 142 is connected to the stirring blade 143.
In this embodiment, the stirring blades 143 are arranged in the axial direction of the stirring rod 142 from short to long, and the shorter part of the stirring blade 142 is arranged near the bottom of the reaction cell 100. Through the configuration of stirring vane 142 of different length, can sneak into a large amount of air, consume chemical wastewater's COD, reduce oxygen consumption to the processing to chemical wastewater is with higher speed.
In this embodiment, the slag outlet of the hydrocyclone 200 is communicated with the aeration riser pipe 120, and the sludge of the biological particles separated by the hydrocyclone 200 is communicated with the aeration riser pipe 120, so as to realize the reflux of the sludge of the biological particles.
In this embodiment, a filter screen is installed in the adsorption area 320 to prevent the adsorbent from flowing into the waste water outlet.
To sum up, the utility model discloses a chemical wastewater treatment system adopts the mode of biological-physics combined treatment chemical wastewater, can promote chemical wastewater's treatment effeciency, and need not to introduce new chemical reagent, and the treatment effect is good, can reach the emission standard of waste water.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A chemical wastewater treatment system is characterized by comprising a reaction tank, a hydrocyclone and a retreatment tank which are connected in sequence;
the reaction tank is filled with biological granular sludge, and is provided with a water inlet pipe for conveying chemical wastewater, an aeration riser pipe for conveying the biological granular sludge and a slurry discharge pipe; the slurry discharge pipe is communicated with the hydrocyclone separator.
2. The chemical wastewater treatment system according to claim 1, wherein the reprocessing tank is divided into a settling zone and an adsorption zone, the settling zone and the adsorption zone are separated by a partition, and the partition is used for controlling the on-off of fluid between the settling zone and the adsorption zone; the liquid outlet of the hydrocyclone is communicated with the settling zone, the adsorption zone is provided with a liquid outlet, and the adsorption zone is filled with an adsorbent.
3. A chemical waste water treatment system according to claim 2, wherein said partition member comprises a pair of filter plates erected in said reprocessing tank and a partition member disposed between said filter plates;
the filter plate has been seted up the filtration pore, the partition plate spare can be along the length direction reciprocating motion of filter plate.
4. A chemical wastewater treatment system according to claim 3, wherein the partition member comprises a push rod, an expansion rod and a fixing plate connected in sequence, the fixing plate being fixed to the bottom of the reprocessing tank.
5. The chemical wastewater treatment system according to claim 1 or 2, wherein the reaction tank is provided with a stirring member, the stirring member comprises a driving motor, a stirring rod and a stirring blade, one end of the stirring rod is fixedly connected with the driving motor, the other end of the stirring rod passes through the top of the reaction tank and extends into the reaction tank, and the other end of the stirring rod is connected with the stirring blade.
6. The chemical wastewater treatment system according to claim 5, wherein the blades of the stirring blade are arranged in the axial direction of the stirring rod in the order from short to long, and the shorter part of the stirring blade is arranged near the bottom of the reaction tank.
7. A chemical waste water treatment system according to claim 1 or 2, wherein the slag outlet of the hydrocyclone is in communication with the aerated riser pipe.
8. A chemical waste water treatment system according to claim 2, characterized in that a filter screen is installed in the adsorption zone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020998109.XU CN212770324U (en) | 2020-06-03 | 2020-06-03 | Chemical wastewater treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020998109.XU CN212770324U (en) | 2020-06-03 | 2020-06-03 | Chemical wastewater treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212770324U true CN212770324U (en) | 2021-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020998109.XU Active CN212770324U (en) | 2020-06-03 | 2020-06-03 | Chemical wastewater treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212770324U (en) |
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2020
- 2020-06-03 CN CN202020998109.XU patent/CN212770324U/en active Active
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