CN212151859U - Waste water treatment device - Google Patents
Waste water treatment device Download PDFInfo
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- CN212151859U CN212151859U CN202020184740.6U CN202020184740U CN212151859U CN 212151859 U CN212151859 U CN 212151859U CN 202020184740 U CN202020184740 U CN 202020184740U CN 212151859 U CN212151859 U CN 212151859U
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Abstract
The utility model belongs to the technical field of the environmental protection equipment, a effluent treatment plant is disclosed, include: the reaction device comprises a reaction tank and a stirring mechanism, wherein the stirring mechanism is arranged on the reaction tank and is used for stirring liquid in the reaction tank; the solid-liquid separation device comprises a separation tank, a central cylinder and a tooth rake mechanism, wherein the central cylinder is arranged in the separation tank, and the reaction tank is communicated with the central cylinder; the bottom of separation tank is provided with cone point cone structure down, and cone point department is equipped with the mud concentration tank, and the mud concentration tank is used for concentrated bed mud, and tooth harrow mechanism sets up in the bottom of separation tank, and tooth harrow mechanism is used for forcing bed mud flow direction mud concentration tank, and mud concentration tank bottom is equipped with the bin outlet, and the bin outlet can let in partial mud in the reaction tank. The wastewater treatment device can reduce the dosage of the reaction tank, reduce the production cost, improve the solid content of the bottom mud and save the occupied space of the bottom mud.
Description
Technical Field
The utility model relates to an environmental protection equipment technical field especially relates to a wastewater treatment device.
Background
China has abundant mineral resources, and mining and development of the mineral resources play an important role in economic development of China. However, in the prior art, the exploitation of mineral resources causes various pollutions such as water, atmosphere and soil, and the acidic wastewater generated in the exploitation process of copper mines can cause serious damage to the environment.
In the process of mining copper mines, sulfur, iron and other elements in sulfide ore deposits can generate sulfuric acid and metal sulfate under the action of oxygen and water, and the sulfuric acid and the metal sulfate are dissolved in water to form mine acidic wastewater. In addition, a large amount of acidic wastewater is also generated in the smelting and biological heap leaching processes of copper ores. The copper mine acid wastewater is not only acidic, but also has large water quantity and water quality change, and a large amount of metal ions can cause serious environmental pollution if the copper mine acid wastewater is directly discharged without treatment. After the acidic wastewater is discharged into water bodies such as rivers, lakes and the like, the pH value of the water body can be changed, organisms in the water body can be influenced, the surrounding underground water is polluted, the acidic wastewater can damage the soil structure, and the residual metal ions can be enriched in crops to further harm the health of human bodies.
At present, the acid wastewater of copper mine is treated by mainly adopting an alkaline material neutralization method in industry, but the dosage of a reaction tank is larger in the treatment process, so that the treatment cost is high, the solid content of bottom mud of a solid-liquid separation device is low, the concentration effect of the bottom mud is poor, and the occupied space of the bottom mud is larger.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a wastewater treatment device, this wastewater treatment device not only can reduce the dose of throwing in reaction tank, reduction in production cost can improve the solid rate that contains of bed mud moreover, saves the occupation space of bed mud.
To achieve the purpose, the utility model adopts the following technical proposal:
an apparatus for treating wastewater, comprising:
the reaction device comprises a reaction tank and a stirring mechanism, wherein the stirring mechanism is arranged on the reaction tank and is used for stirring liquid in the reaction tank;
the solid-liquid separation device comprises a separation tank, a central cylinder and a tooth rake mechanism, wherein the central cylinder is arranged in the separation tank, and the reaction tank is communicated with the central cylinder;
the bottom of separation tank is provided with awl point cone structure down, awl point department is equipped with the mud concentration tank, the mud concentration tank is used for concentrated bed mud, tine harrow mechanism set up in the bottom of separation tank, just tine harrow mechanism is used for forcing the bed mud flow direction the mud concentration tank, mud concentration tank bottom is equipped with the bin outlet, the bin outlet can let in partial mud in the reaction tank.
Preferably, the reaction tank comprises a first-stage reaction tank and a second-stage reaction tank, a connecting port is arranged between the bottom of the first-stage reaction tank and the bottom of the second-stage reaction tank to be communicated, an overflow port is arranged at the upper part of the second-stage reaction tank, and the overflow port is communicated with the central cylinder.
Preferably, the reaction tank is provided with a cover plate, the stirring mechanism comprises a motor, a transmission rod and a blade, the motor is installed on the cover plate, the transmission rod is connected to the output end of the motor and is arranged in the vertical direction, and the blade is connected to the transmission rod.
Preferably, the blades are provided with two layers, and the two layers of blades are respectively arranged at the middle part and the bottom part of the reaction tank.
Preferably, an adding pipe is arranged in the central cylinder in a communicated manner and is used for adding a flocculating agent into the liquid in the central cylinder.
Preferably, a plurality of feeding points are arranged on the feeding pipe and are uniformly distributed along the circumferential direction of the feeding pipe.
Preferably, the solid-liquid separation device further comprises a bridge frame, the bridge frame is arranged above the separation pool, the central cylinder is connected to the bridge frame, and the central line of the central cylinder is overlapped with the central line of the cone structure.
Preferably, the rake mechanism comprises a transmission shaft, a rake and a support seat, the rake is arranged on the support seat, the support seat is connected to the transmission shaft, and the center line of the transmission shaft is arranged to coincide with the center line of the cone structure.
Preferably, an overflow weir is arranged on the side wall of the top of the separation tank, an overflow hole is arranged at the overflow weir, and the overflow hole is used for overflowing the supernatant in the separation tank.
Preferably, a discharge pipe is arranged on the discharge port, and a switch valve is arranged on the discharge pipe and can control the opening and the closing of the discharge port.
The utility model has the advantages that:
the utility model provides a wastewater treatment device for the processing of mine acid waste water, this wastewater treatment device include reaction unit and solid-liquid separation equipment, are provided with rabbling mechanism on reaction unit's the reaction tank, can stir the liquid that pours into the reaction tank into for this liquid can the misce bene. The central cylinder of the solid-liquid separation device is positioned in the separation tank and communicated with the reaction tank, mixed liquor flowing from the reaction tank generates flocs in the central cylinder and precipitates in the cone structure of the separation tank to form slurry, the slurry enters the slurry concentration tank positioned at the cone tip of the cone structure under the action of the rake mechanism to form slurry with higher solid content, part of the slurry is introduced into the reaction tank through the discharge port of the slurry concentration tank, so that alkaline substances which are not completely reacted in the slurry continue to react with the acidic wastewater in the reaction tank, and part of the slurry is discharged to enter a filter press for pressing. Through the structure, the wastewater treatment device can reduce the dosage of the reaction tank, reduce the production cost, improve the solid content of the bottom mud, and save the occupied space of the discharged bottom mud.
Drawings
FIG. 1 is a schematic perspective view of a reaction apparatus of a wastewater treatment apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic perspective view of a solid-liquid separator of a wastewater treatment apparatus according to an embodiment of the present invention.
In the figure:
1. a reaction device; 11. a reaction tank; 111. a first-stage reaction tank; 112. a secondary reaction tank; 113. a connecting port; 114. an overflow port; 115. an open channel; 12. a stirring mechanism; 121. a motor; 122. a transmission rod; 123. a blade; 2. a solid-liquid separation device; 21. a separation tank; 211. a slurry concentration tank; 212. an overflow weir; 213. an overflow aperture; 22. a central barrel; 23. a rake gear mechanism; 231. a drive shaft; 232. a toothed harrow; 233. a supporting seat; 24. a bridge frame; 25. a discharge pipe.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solutions adopted by the present invention and the technical effects achieved by the present invention clearer, the following will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The utility model provides a wastewater treatment device, a processing for mine acid wastewater, as shown in fig. 1 and fig. 2, this wastewater treatment device includes reaction unit 1 and solid-liquid separation equipment 2, reaction unit 1 communicates in solid-liquid separation equipment 2, liquid after the emergence reaction in the reaction unit 1 can let in solid-liquid separation equipment 2, solid-liquid separation equipment 2 can make solid and liquid in the liquid separate, bottom at solid-liquid separation equipment 2 forms mud, mud in the solid-liquid separation equipment 2 can get into reaction unit 1 once more, the alkaline material of complete reaction not in the mud can react with acid wastewater in reaction unit 1 once more, thereby can reduce the dose of alkaline material in reaction unit 1, and the production cost is reduced.
In this embodiment, the reaction apparatus 1 includes a reaction tank 11 and a stirring mechanism 12, the stirring mechanism 12 is installed on the reaction tank 11, and the stirring mechanism 12 is used for stirring the liquid in the reaction tank 11, so that the mixed liquid in the reaction tank 11 can be uniformly mixed, and the reaction in the reaction tank 11 is as sufficient as possible. Preferably, reaction tank 11 includes reaction tank body and apron, and half lid of apron is on reaction tank body, and reaction tank body is cuboid cell body structure, can strengthen the turbulent effect of liquid in reaction tank 11, makes reactant in the liquid can mix fully with waste water, improves reaction rate and reaction efficiency. The stirring mechanism 12 includes a motor 121, a transmission rod 122 and a blade 123, the motor 121 is mounted on the cover plate, the transmission rod 122 is connected to the output end of the motor 121, the blade 123 is connected to the transmission rod 122, and the blade 123 can be driven by the motor 121 to rotate, so as to promote the mixing of the reactant and the wastewater in the reaction tank 11. Preferably, the transmission rod 122 is arranged along the vertical direction, the blades 123 are arranged in two layers, and the two layers of blades 123 are respectively arranged at the middle part and the bottom part of the reaction tank 11, so that the mixing of the reactant and the wastewater in the reaction tank 11 can be further enhanced. More preferably, the blades 123 are helical blades, which promote the liquid in the reaction tank 11 to flow up and down, and enhance the mixing of the reactant and the wastewater in the reaction tank 11.
Preferably, the reaction tank 11 includes a first-stage reaction tank 111 and a second-stage reaction tank 112, and the liquid in the reaction tank 11 is reacted twice in the first-stage reaction tank 111 and the second-stage reaction tank 112, which is favorable for making the reaction complete. Specifically, the first-order reaction tank 111 and the second-order reaction tank 112 are separated by a partition plate therebetween to form, a connecting port 113 is arranged at the bottom of the partition plate to communicate the first-order reaction tank 111 with the second-order reaction tank 112, so that liquid in the first-order reaction tank 111 can flow into the second-order reaction tank 112, an overflow port 114 is arranged at the top of the second-order reaction tank 112, and the overflow port 114 is communicated with the solid-liquid separation device 2.
In this embodiment, the solid-liquid separation device 2 includes a bridge 24 and a separation tank 21, the bridge 24 is installed on the top of the separation tank 21, the liquid flowing out from the overflow port 114 is introduced into the separation tank 21, and is precipitated in the separation tank 21, so as to realize solid-liquid separation. Preferably, the solid-liquid separation device 2 further comprises a central cylinder 22, the central cylinder 22 is arranged in the separation tank 21 and communicated with the separation tank 21, and the central cylinder 22 is connected below the bridge 24 and communicated with the overflow port 114 through an open channel 115. More preferably, an adding pipe is arranged in the central cylinder 22 through which a flocculating agent is added to the liquid in the central cylinder 22, and the liquid in the central cylinder 22 and the mixed liquid from the reaction tank 11 are fully mixed by a hydrocyclone to form flocs. In this embodiment, a plurality of feeding points are arranged on the feeding pipe, and are uniformly distributed along the circumferential direction of the feeding pipe, so that the flocculant can be fully mixed with the liquid in the central cylinder 22, the solid-liquid separation is sufficient, the formed floc is large, and the settling speed is high.
Specifically, the upper part of the separation tank 21 is set to be a cylindrical structure, the bottom of the separation tank 21 is provided with a cone structure with a downward cone tip, the center line of the cone structure is superposed with the center line of the central cylinder 22, the cone tip is provided with a slurry concentration tank 211, which is beneficial for collecting slurry at the bottom of the separation tank 21 to the slurry concentration tank 211, and enables the slurry in the slurry concentration tank 211 to be concentrated, the bottom of the slurry concentration tank 211 is provided with a discharge port, the discharge port can introduce part of the slurry into the reaction tank 11, so that alkaline substances which are not completely reacted in the slurry can be reacted with the acidic wastewater again in the reaction device 1, thereby reducing the dosage of the alkaline substances in the reaction device 1 and lowering the production cost; the discharge opening also enables a portion of the slurry to be discharged into a filter press for pressing and subsequent processing. Preferably, a discharge pipe 25 is arranged on the discharge port, and a switch valve is arranged on the discharge pipe 25 and is used for controlling the opening and closing of the discharge port so as to control the height and the concentration of the slurry at the bottom of the separation tank 21. An overflow weir 212 is arranged on the side wall of the top of the separation tank 21 along the circumferential direction of the separation tank 21, an overflow hole 213 is arranged at the position of the overflow weir 212, and the overflow hole 213 is used for overflowing the supernatant in the separation tank 21 and leading the supernatant to a clean water tank to be discharged after reaching the standard or to be reused.
Preferably, the solid-liquid separation device 2 further comprises a rake mechanism 23, and the rake mechanism 23 is arranged at the bottom of the separation tank 21 and used for forcing the bottom mud to flow into the mud thickening tank 211. The tooth harrow mechanism 23 comprises a transmission shaft 231, tooth harrow 232 and a supporting seat 233, the tooth harrow 232 is arranged on the supporting seat 233 at equal intervals, the supporting seat 233 is connected on the transmission shaft 231, the center line of the transmission shaft 231 is arranged to be coincident with the center line of a cone structure, and the tooth harrow 232 can rotate under the driving of the transmission shaft 231 to force mud to enter the mud thickening tank 211.
In the embodiment, the equipment, the pipeline valve and the structure used by the wastewater treatment device are all made of corrosion-resistant materials or adopt corrosion-resistant measures. The acid water entering the reaction tank 11 is preferably waste water from which valuable metals have been recovered.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. An apparatus for treating wastewater, comprising:
the device comprises a reaction device (1), wherein the reaction device (1) comprises a reaction tank (11) and a stirring mechanism (12), the stirring mechanism (12) is installed on the reaction tank (11), and the stirring mechanism (12) is used for stirring liquid in the reaction tank (11);
the solid-liquid separation device (2), the solid-liquid separation device (2) comprises a separation tank (21), a central cylinder (22) and a rake mechanism (23), the central cylinder (22) is arranged in the separation tank (21), and the reaction tank (11) is communicated with the central cylinder (22);
the bottom of separation tank (21) is provided with the cone structure that the awl point down, awl point department is equipped with mud concentration tank (211), mud concentration tank (211) are used for concentrated bed mud, tine harrow mechanism (23) set up in the bottom of separation tank (21), just tine harrow mechanism (23) are used for forcing the bed mud flow direction mud concentration tank (211), mud concentration tank (211) bottom is equipped with the bin outlet, the bin outlet can let in partial mud in reaction tank (11).
2. The wastewater treatment device according to claim 1, wherein the reaction tank (11) comprises a primary reaction tank (111) and a secondary reaction tank (112), a connecting port (113) is arranged between the bottom of the primary reaction tank (111) and the bottom of the secondary reaction tank (112) for communication, an overflow port (114) is arranged at the upper part of the secondary reaction tank (112), and the overflow port (114) is communicated with the central cylinder (22).
3. The wastewater treatment device according to claim 1, wherein a cover plate is arranged on the reaction tank (11), the stirring mechanism (12) comprises a motor (121), a transmission rod (122) and a blade (123), the motor (121) is arranged on the cover plate, the transmission rod (122) is connected to the output end of the motor (121) and is arranged along the vertical direction, and the blade (123) is connected to the transmission rod (122).
4. The wastewater treatment apparatus according to claim 3, wherein the blade (123) is provided with two layers, and the two layers of the blade (123) are respectively provided at the middle and the bottom of the reaction tank (11).
5. The wastewater treatment device according to claim 1, characterized in that an adding pipe is arranged in the central cylinder (22) for adding flocculating agent to the liquid in the central cylinder (22).
6. The wastewater treatment device according to claim 5, wherein the feeding pipe is provided with a plurality of feeding points which are uniformly distributed along the circumferential direction of the feeding pipe.
7. The wastewater treatment plant according to claim 1, characterized in that the solid-liquid separation device (2) further comprises a bridge (24), the bridge (24) is arranged above the separation basin (21), the central cylinder (22) is connected to the bridge (24), and the center line of the central cylinder (22) is arranged to coincide with the center line of the cone structure.
8. The wastewater treatment device according to claim 1, wherein the rake mechanism (23) comprises a transmission shaft (231), a rake (232) and a support base (233), the rake (232) is disposed on the support base (233), the support base (233) is connected to the transmission shaft (231), and the center line of the transmission shaft (231) is disposed to coincide with the center line of the cone structure.
9. The wastewater treatment device according to claim 1, characterized in that an overflow weir (212) is provided on the top side wall of the separation tank (21), an overflow hole (213) is provided at the overflow weir (212), and the overflow hole (213) is used for overflowing the supernatant in the separation tank (21).
10. The wastewater treatment apparatus according to claim 1, wherein a discharge pipe (25) is provided on the discharge port, and an on-off valve is provided on the discharge pipe (25) and is capable of controlling the opening and closing of the discharge port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020184740.6U CN212151859U (en) | 2020-02-19 | 2020-02-19 | Waste water treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020184740.6U CN212151859U (en) | 2020-02-19 | 2020-02-19 | Waste water treatment device |
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| Publication Number | Publication Date |
|---|---|
| CN212151859U true CN212151859U (en) | 2020-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020184740.6U Active CN212151859U (en) | 2020-02-19 | 2020-02-19 | Waste water treatment device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115557662A (en) * | 2022-11-11 | 2023-01-03 | 四川永沁环境工程有限公司 | Mud cake pressing machine for sewage treatment |
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2020
- 2020-02-19 CN CN202020184740.6U patent/CN212151859U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115557662A (en) * | 2022-11-11 | 2023-01-03 | 四川永沁环境工程有限公司 | Mud cake pressing machine for sewage treatment |
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