CN219860691U - Chemical wastewater pretreatment reaction device - Google Patents
Chemical wastewater pretreatment reaction device Download PDFInfo
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- CN219860691U CN219860691U CN202320963369.7U CN202320963369U CN219860691U CN 219860691 U CN219860691 U CN 219860691U CN 202320963369 U CN202320963369 U CN 202320963369U CN 219860691 U CN219860691 U CN 219860691U
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- chemical wastewater
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 55
- 239000002351 wastewater Substances 0.000 title claims abstract description 52
- 239000000126 substance Substances 0.000 title claims abstract description 32
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 13
- 239000002253 acid Substances 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims description 23
- 238000005070 sampling Methods 0.000 claims description 14
- 239000011229 interlayer Substances 0.000 claims description 11
- 239000007789 gas Substances 0.000 claims description 6
- 239000002912 waste gas Substances 0.000 claims description 2
- 238000000605 extraction Methods 0.000 abstract description 23
- 230000000694 effects Effects 0.000 abstract description 7
- 238000004065 wastewater treatment Methods 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000002156 mixing Methods 0.000 description 5
- 230000035484 reaction time Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000003513 alkali Substances 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000010842 industrial wastewater Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000000622 liquid--liquid extraction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013076 target substance Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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- Extraction Or Liquid Replacement (AREA)
Abstract
The utility model discloses a chemical wastewater pretreatment reaction device, which relates to the field of chemical wastewater treatment devices and can comprise a reactor main body, a fixed ring, a multistage stirrer, a speed reducer and a motor. Wherein, a containing cavity is formed in the reactor main body, and a wastewater inlet and an acid inlet are formed at the upper part of the containing cavity; the middle part and the middle upper part of the accommodating cavity are also provided with extractant inlets; the bottom wall of the accommodating cavity is provided with a mixed liquid outlet. The fixed rings are arranged at intervals and positioned in the accommodating cavity, the outer ring of the fixed rings is connected with the inner wall of the accommodating cavity, and the annular surfaces among the fixed rings are arranged in parallel. The multistage stirrer is arranged in the accommodating cavity. The speed reducer is arranged on the outer side of the top of the reactor main body and is connected with the multistage stirrer. The motor is arranged on the outer side of the top of the reactor main body, and is in transmission connection with the speed reducer. The utility model has simple structure, can realize multistage extraction reaction, has good extraction effect, and can realize full reaction of the extractant in the extraction process.
Description
Technical Field
The utility model relates to the field of chemical wastewater treatment devices, in particular to a chemical wastewater pretreatment reaction device.
Background
High-concentration industrial wastewater can be discharged in the production process of chemical products, and the wastewater is characterized in that: the content of toxic organic pollutants is high, the salt content is high, and a plurality of three-induced compounds and non-biodegradable matters exist in the wastewater. In response to environmental requirements, wastewater discharged to a sewage treatment plant in a chemical industry park must be pretreated, and characteristic pollutants and chromaticity in the wastewater are removed at the front end, so that a reaction device is needed in the pretreatment process.
In the pretreatment industrialization process of some chemical wastewater, a liquid-liquid extraction process is adopted, and the extraction technology is a reversible reaction-based polar organic matter separation method. The extractant reacts with the polar groups contained in the wastewater to form new macromolecular organic matters insoluble in the water phase, thereby separating the target substances from the wastewater. The macromolecular organic matter formed by the reaction is extracted in the form of salt under the action of acid or alkali. The reverse reaction regenerates the extractant and circulates the extractant for wastewater treatment.
The continuous extraction process flow is that the waste water, the acid and the extractant enter an extraction reaction device according to a proportion, and liquid-liquid separation is carried out after a certain time of reaction. The upper layer extract phase is sent into a regeneration reaction device to react with added acid or alkali, and the compound extractant is continuously used for treating the wastewater, thereby achieving the aim of removing main characteristic pollutants in the industrial wastewater. However, the existing industrialized continuous extraction reaction device has a simple structure, and uneven mixing of wastewater and extractant is easy to cause, so that the utilization rate of part of the extractant cannot be maximized.
Disclosure of Invention
The embodiment of the utility model provides a chemical wastewater pretreatment reaction device, which can increase the residence time of wastewater in the reaction device, so that the wastewater can react more fully.
In order to achieve the above purpose, the embodiment of the present utility model adopts the following technical scheme:
the embodiment of the utility model provides a chemical wastewater pretreatment reaction device which comprises a reactor main body, a fixed ring, a multistage stirrer, a speed reducer and a motor. Wherein, a containing cavity is formed in the reactor main body, and a wastewater inlet and an acid inlet are formed at the upper part of the containing cavity; the middle part and the middle upper part of the accommodating cavity are also provided with extractant inlets; the bottom wall of the accommodating cavity is provided with a mixed liquid outlet. The fixed rings are arranged at intervals and positioned in the accommodating cavity, the outer ring of the fixed rings is connected with the inner wall of the accommodating cavity, and the annular surfaces among the fixed rings are arranged in parallel. The multistage stirrer is arranged in the accommodating cavity. The speed reducer is arranged on the outer side of the top of the reactor main body and is connected with the multistage stirrer. The motor is arranged on the outer side of the top of the reactor main body, and is in transmission connection with the speed reducer.
Further, the chemical wastewater pretreatment reaction device further comprises a plurality of stirring ribs, wherein the stirring ribs are in a strip shape, are vertically arranged along the inner wall of the accommodating cavity and are positioned between two adjacent fixed rings.
Further, the chemical wastewater pretreatment reaction device also comprises a plurality of cross fixing clamps, wherein the cross fixing clamps comprise four L plates, the four corners of the four L plates are close to a center, one end of each L plate is connected with the inner wall of the accommodating cavity, and cross gaps are formed among the plate surfaces of the four L plates; wherein, horizontal gap is used for fixed ring, and vertical gap is used for fixed stirring muscle.
Further, the side wall of the reactor main body is also provided with an interlayer, and the interlayer is used for adding a heat exchange medium; the chemical wastewater pretreatment reaction device also comprises an input pipe and an output pipe which are communicated with the interlayer.
Further, the chemical wastewater pretreatment reaction device also comprises at least two lugs which are arranged on two sides of the reactor main body and are connected with the outer wall of the reactor main body.
Further, the top wall of the reactor main body is provided with a tail gas port communicated with the accommodating cavity, and the tail gas port is used for removing redundant waste gas generated in the accommodating cavity.
Further, a sampling port and a temperature measuring port are further formed in the lower portion of the reactor main body, the sampling port is used for sampling, and the temperature measuring port is used for installing a thermometer.
Further, the multistage stirrer comprises 4-6 stirring parts, and each stirring part is located between two adjacent fixed rings.
The utility model has the beneficial effects that:
the fixed ring divides the inner part of the reactor main body into 4-6 parts, and the fixed ring can uniformly distribute the reaction residence time and play a role of buffering because the extraction needs a certain reaction time, so that part of wastewater is prevented from being discharged out of the reactor main body due to the fact that the reaction time is not satisfied. Before the reactor is ready to feed water, the valve of the mixed liquid outlet is in a closed state, waste water, acid and extractant synchronously enter the reactor, when the liquid level in the reactor main body is about 1/3-1/4, the multistage stirrer is started, the waste water, the acid and the extractant are continuously fed for extraction reaction, when the liquid level is about 1/2, the valve of the mixed liquid outlet is opened, the mixed liquid is discharged into the oil-water separation device of the next step for liquid separation, and the extraction reaction effect can be observed through sampling of a sampling port in the reaction process.
The utility model has simple structure, when the two extractant inlets at the middle part and the middle upper part of the accommodating cavity are operated, the extractants respectively enter the equipment from the two inlets, for example, the total ratio of the extractants to the wastewater is 1:5, the entering amount of the extractants at the two inlets is 1:10 respectively, and the same adding amount of the extractants can realize multistage extraction reaction through a multistage stirrer, so that the utilization rate of the extractants is maximized and the extraction effect is improved. The extractant can realize full reaction in the extraction process.
Drawings
FIG. 1 is a schematic diagram of a chemical wastewater pretreatment reaction device provided by an embodiment of the utility model;
FIG. 2 is a schematic diagram of another chemical wastewater pretreatment reaction apparatus according to an embodiment of the present utility model;
FIG. 3 is a schematic view of a cross-shaped fixing clip according to an embodiment of the present utility model;
fig. 4 is a schematic diagram of connection between a cross-shaped fixing clip and a stirring bar according to an embodiment of the present utility model;
fig. 5 is a schematic view of the stator ring in fig. 1 according to an embodiment of the present utility model.
In the figure, 1, a reactor main body; 2. a temperature measuring port; 3. a fixed ring, a supporting lug and a fixed ring; 5. an acid inlet; 6. a waste water inlet; 7. a tail gas port; 8. a speed reducer; 9. a motor; 10. a base; 11. a multistage stirrer; 111. a stirring section; 12. an extractant inlet 1; 13. an interlayer; 14. a sampling port; 15. a mixed liquid outlet; 16. a cross-shaped fixing clamp; 161. an L plate; 161. an L plate; 17. stirring bar.
Detailed Description
Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the utility model.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; the two components can be mechanically connected, can be directly connected or can be indirectly connected through an intermediate medium, and can be communicated with each other. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 to 5, the embodiment of the utility model provides a chemical wastewater pretreatment reaction device, which comprises a reactor main body 1, a fixed ring 3, a multistage stirrer 11, a speed reducer 8 and a motor 9. Wherein, a containing cavity 101 is formed in the reactor main body 1, and a wastewater inlet 6 and an acid inlet 5 are formed at the upper part of the containing cavity 101; the middle part and the middle upper part of the accommodating cavity 101 are also provided with extractant inlets 12 (two extractant inlets 12, when in operation, the extractants respectively enter the equipment from the two inlets, for example, the total ratio of the extractants to the wastewater is 1:5, the entering amounts of the extractants of the two inlets are respectively 1:10, and the same adding amount of the extractants can realize multistage extraction reaction through the multistage stirrer 11, so that the utilization rate of the extractants is maximized, and the extraction effect is improved). A mixed liquid outlet 15 is formed in the bottom wall of the accommodating chamber 101. The fixed rings 3 arranged at intervals are positioned in the accommodating cavity 101, the outer ring of the fixed rings 3 is connected with the inner wall of the accommodating cavity 101, and the annular surfaces among the fixed rings 3 are arranged in parallel. The multistage stirrer 11 is disposed in the accommodation chamber 101. The speed reducer 8 is disposed outside the top of the reactor body 1 and connected to the multistage stirrer. The motor 9 is arranged on the outer side of the top of the reactor main body 1, and the motor 9 is in transmission connection with the speed reducer 8.
In this case, the stator ring 3 can uniformly distribute the reaction residence time and perform a buffer function, preventing a part of the wastewater from being discharged out of the reactor body 1 without satisfying the reaction time. The multistage stirrer 11 can achieve the stirring effect in the accommodating cavity 101 through the matching of the speed reducer 8 and the motor 9, and kinetic energy output is provided for the multistage stirrer 11. The extractant may be fed at different heights at the extractant inlet 12 as required. After the reaction, the reaction solution can be discharged to the next chemical stage through the mixed solution outlet 15.
To make the mixing in the accommodating cavity 101 more complete, in some embodiments of the present utility model, the chemical wastewater pretreatment reaction apparatus may further include a plurality of stirring ribs 17, where the stirring ribs 17 are elongated, and the stirring ribs 17 are vertically disposed along the inner wall of the accommodating cavity 101 and located between two adjacent two fixed rings 3.
In this way, the water flow driven by the multistage stirrer 11 rotates horizontally and just collides with the stirring ribs 17, so that the mixed liquid is stirred more thoroughly and the reaction is more complete.
In order to fix the stirring bar 17 and the fixed ring 3, in some embodiments of the present utility model, the chemical wastewater pretreatment reaction apparatus may further include a plurality of cross fixing clips 16 including four L plates 161, four corners of the four L plates 161 being close to a center, one end of the L plates 161 being connected to an inner wall of the receiving chamber 101, and cross gaps being formed between the plate surfaces of the four L plates 161; wherein, horizontal gap is used for fixed ring 3, and vertical gap is used for fixed stirring muscle 17.
In this case, the corners of the four L plates 161 are opposite to each other, so that a cross gap is formed between the plate surfaces, and the cross gap can be used for fixing not only the fixing ring 3 but also the stirring bar 17. In this way, material for fixing the two structures can be saved, and one or both of the stirring bar 17 and the fixed ring 3 can be detached as required.
When the ambient temperature is insufficient for the extraction temperature, in some embodiments of the utility model, the side wall of the reactor body 1 may also have an interlayer 13, the interlayer 13 being used for adding a heat exchange medium; the chemical wastewater pretreatment reaction device also comprises an input pipe and an output pipe which are communicated with the interlayer 13. In this case, the heat exchange medium can exchange heat in the interlayer 13 with the mixed liquid in the accommodating cavity 101 through the input pipe and the output pipe, so as to meet the extraction requirement.
In some embodiments of the present utility model, the chemical wastewater pretreatment reaction apparatus may further include at least two lugs 4 disposed at both sides of the reactor body 1 and connected to the outer wall of the reactor body 1. In this way, the lugs 4 can be fixed with structures such as a field bracket and the like, so that the stability of the whole reaction device is ensured.
In other embodiments of the present utility model, the top wall of the reactor body 1 is provided with a vent 7 in communication with the accommodating chamber 101, and the vent 7 is used for removing the excessive exhaust gas generated in the accommodating chamber 101. The lower part of the reactor main body 1 is also provided with a sampling port 14 and a temperature measuring port 2, the sampling port 14 is used for sampling, and the temperature measuring port 2 is used for installing a thermometer.
It should be noted that, in some embodiments of the present utility model, the multi-stage mixer 11 may include 4 to 6 mixing portions 111, and each mixing portion 111 is located between two adjacent fixed rings 3. In this way, the stirring section 111 is located between two adjacent stator rings 3, so that the stirring range can be widened as much as possible, and the mixing can be facilitated.
In summary, the inner part of the reactor main body 1 is divided into 4-6 parts by the fixed ring 3, and the fixed ring 3 can uniformly distribute the reaction residence time and play a role of buffering because of the certain reaction time required by extraction, so that part of wastewater is prevented from being discharged out of the reactor main body 1 without meeting the reaction time. Before the reactor is ready to feed water, the valve of the mixed liquor outlet 15 is in a closed state, waste water, acid and extractant synchronously enter the reactor, when the liquid level in the reactor main body 1 is about 1/3-1/4, the multistage stirrer 11 is started, the waste water, the acid and the extractant are continuously fed for extraction reaction, when the liquid level is about 1/2, the valve of the mixed liquor outlet 15 is opened, the mixed liquor is discharged into an oil-water separation device of the next step for liquid separation, and the extraction reaction effect can be observed by sampling through the sampling port 14 in the reaction process. The utility model has simple structure, can realize multistage extraction reaction, has good extraction effect, and can realize full reaction of the extractant in the extraction process.
In the description of the present specification, a particular feature, structure, material, or characteristic may be combined in any suitable manner in one or more embodiments or examples.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (8)
1. A chemical wastewater pretreatment reaction device, comprising:
a reactor main body, wherein a containing cavity is formed in the reactor main body, and a wastewater inlet and an acid inlet are formed in the upper part of the containing cavity; the middle part and the middle upper part of the accommodating cavity are also provided with extractant inlets; a mixed liquid outlet is formed in the bottom wall of the accommodating cavity;
the fixed rings are arranged at intervals and positioned in the accommodating cavity, the outer ring of the fixed rings is connected with the inner wall of the accommodating cavity, and the annular surfaces among the fixed rings are arranged in parallel;
the multistage stirrer is arranged in the accommodating cavity;
the speed reducer is arranged on the outer side of the top of the reactor main body and is connected with the multistage stirrer;
and the motor is arranged on the outer side of the top of the reactor main body and is in transmission connection with the speed reducer.
2. The chemical wastewater pretreatment reaction apparatus according to claim 1, further comprising:
the stirring ribs are in a strip shape, are vertically arranged along the inner wall of the accommodating cavity and are positioned between two adjacent fixed rings.
3. The chemical wastewater pretreatment reaction apparatus according to claim 2, further comprising:
the plurality of cross fixing clamps comprise four L plates, four corners of the four L plates are close to a center, one end of each L plate is connected with the inner wall of the accommodating cavity, and cross gaps are formed among the plate surfaces of the four L plates; the transverse gap is used for fixing the fixed ring, and the vertical gap is used for fixing the stirring rib.
4. The chemical wastewater pretreatment reaction apparatus according to claim 1, wherein,
the side wall of the reactor main body is also provided with an interlayer, and the interlayer is used for adding a heat exchange medium; the chemical wastewater pretreatment reaction device also comprises an input pipe and an output pipe which are communicated with the interlayer.
5. The chemical wastewater pretreatment reaction apparatus according to claim 1, further comprising:
at least two lugs are arranged on two sides of the reactor main body and are connected with the outer wall of the reactor main body.
6. The chemical wastewater pretreatment reaction device according to claim 1, wherein a tail gas port is formed in the top wall of the reactor body and is communicated with the accommodating cavity, and the tail gas port is used for removing redundant waste gas generated in the accommodating cavity.
7. The chemical wastewater pretreatment reaction apparatus according to claim 1, wherein a sampling port and a temperature measuring port are further formed below the reactor main body, the sampling port is used for sampling, and the temperature measuring port is used for installing a thermometer.
8. The chemical wastewater pretreatment reaction device according to claim 1, wherein the multistage stirrer comprises 4-6 stirring parts, and each stirring part is located between two adjacent fixed rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320963369.7U CN219860691U (en) | 2023-04-25 | 2023-04-25 | Chemical wastewater pretreatment reaction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320963369.7U CN219860691U (en) | 2023-04-25 | 2023-04-25 | Chemical wastewater pretreatment reaction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219860691U true CN219860691U (en) | 2023-10-20 |
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ID=88320333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320963369.7U Active CN219860691U (en) | 2023-04-25 | 2023-04-25 | Chemical wastewater pretreatment reaction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219860691U (en) |
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- 2023-04-25 CN CN202320963369.7U patent/CN219860691U/en active Active
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