CN210261356U - Sewage treatment reation kettle - Google Patents
Sewage treatment reation kettle Download PDFInfo
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- CN210261356U CN210261356U CN201920477683.8U CN201920477683U CN210261356U CN 210261356 U CN210261356 U CN 210261356U CN 201920477683 U CN201920477683 U CN 201920477683U CN 210261356 U CN210261356 U CN 210261356U
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Abstract
The utility model discloses a sewage treatment reation kettle, including the cauldron body, this cauldron body has been seted up the catalyst and has been supplemented the mouth, and this cauldron is internal to be provided with two at least filter pieces, and every export of filtering piece all is connected with three at least branch pipelines. The utility model has the advantages that the filtering pieces are arranged, so that the treated wastewater can be separated from the catalyst, the continuous reaction is realized, the filtering and backwashing are integrally completed by arranging at least two filtering pieces, and the catalyst is supplemented by arranging the catalyst supplementing port, so that the humidifying catalytic reaction can stably and continuously run, and the wastewater treatment efficiency is improved; secondly, because the air and the wastewater to be treated are used for washing the filter elements, additional back washing equipment and media do not need to be added, and the cost is greatly reduced; in addition, the filtering piece effectively disperses the air and the wastewater to be treated, so that the dissolution of the air in the wastewater to be treated is increased, and the reaction efficiency is increased; meanwhile, the filtering piece is arranged inside the sewage treatment reaction kettle, so that the possibility of catalyst inactivation caused by exposure in air is reduced.
Description
Technical Field
The utility model belongs to the technical field of waste water treatment, concretely relates to sewage treatment reation kettle.
Background
Wet type catalystChemical oxidation is a technology for treating organic wastewater developed on the basis of wet oxidation in the 80 s of the 20 th century. Under the action of certain temp. and pressure and catalyst, the organic matter and ammonia in the waste water are respectively oxidated and decomposed into CO by means of air oxidation2、H2O and N2And the like, to achieve the purpose of purification. In the prior art, a built-in filter of a sewage treatment reaction kettle used in a wet catalytic oxidation process is easy to be blocked by a catalyst and can only be maintained or replaced by stopping the machine, so that the catalytic reaction is interrupted, and the wastewater treatment efficiency is low.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem that the easy catalyst plugging of built-in filter among the prior art, the utility model aims to provide a sewage treatment reation kettle, through setting up filter piece, make the waste water that finishes of processing can separate with the catalyst, realize continuous reaction, filter piece through setting up two at least, every export of filtering piece all connects three piece at least minute pipelines, make the integrative completion of filtration backwash, avoid filtering a piece and block up, and supplement a mouthful supplementary catalyst through seting up the catalyst, supplement the catalyst after the catalyst deactivation, make humidifying catalytic reaction can stabilize continuous operation, improve waste water treatment efficiency.
The utility model discloses the technical scheme who adopts does:
the utility model provides a reaction kettle, includes the cauldron body, and gas vent and feed inlet have been seted up respectively to the upper portion of this cauldron body, and the drain, its characterized in that have been seted up to the bottom of this cauldron body: the kettle body is provided with a catalyst replenishing port, at least two filtering pieces are arranged in the kettle body, and the outlet of each filtering piece is connected with at least three branch pipelines; each branch pipeline is provided with a check valve and an adjusting valve respectively.
The outlet of each filter element is connected with at least three branch pipelines, at least one branch pipeline is used for continuously introducing wastewater to be treated into the sewage treatment reaction kettle, at least one branch pipeline is used for continuously introducing air into the sewage treatment reaction kettle, at least one branch pipeline is used for discharging the treated wastewater, and the catalyst replenishing port is used for adding a wet oxidation catalyst.
When the device is used, air and wastewater to be treated are introduced into the sewage treatment reaction kettle through at least one filter element, the catalyst on the filter element is flushed away under the back flushing action of the air and the wastewater to be treated, the filter element is prevented from being blocked by the catalyst, the wastewater to be treated reacts with the air under the action of the catalyst, and the treated wastewater is discharged through another filter element.
The setting of check valve can avoid the waste water backward flow in the sewage treatment reation kettle, can also avoid waste water or air in the branch pipeline to get into in another branch pipeline.
The setting of governing valve for the flow of air and/or the waste water that awaits treatment is adjustable, guarantees to react completely.
As a further alternative of the sewage treatment reaction kettle, a stirring paddle is arranged in the kettle body and is connected with a rotary driving piece for driving the stirring paddle to rotate. The rotary driving piece drives the stirring paddle to rotate, so that the wastewater to be treated, the catalyst and the air are fully mixed, and the reaction efficiency is improved.
The utility model has the advantages that:
(1) the utility model discloses a set up the filter piece, make the waste water that finishes processing can separate with the catalyst, realize the continuous reaction, through setting up two at least filter pieces, the export of each filter piece all connects three at least branch pipes, makes the filtration backwash an organic whole accomplish, avoids filter piece jam, and supplements the catalyst through seting up catalyst replenishment mouth, supplements the catalyst after the catalyst deactivation, makes humidifying catalytic reaction can stable continuous operation, improves waste water treatment efficiency; secondly, because the air and the wastewater to be treated are used for washing the filter elements, additional back washing equipment and media do not need to be added, and the cost is greatly reduced; in addition, the filtering piece effectively disperses the air and the wastewater to be treated, so that the dissolution of the air in the wastewater to be treated is increased, and the reaction efficiency is increased; meanwhile, the filtering piece is arranged inside the sewage treatment reaction kettle, so that the possibility of inactivation of the catalyst due to exposure to air is reduced;
(2) the arrangement of the check valve can avoid the backflow of the wastewater in the sewage treatment reaction kettle and also can avoid the wastewater or air in one branch pipeline from entering the other branch pipeline;
(3) the setting of the regulating valve ensures that the flow of the air and/or the wastewater to be treated can be regulated, and the complete reaction is ensured;
(4) the rotary driving piece drives the stirring paddle to rotate, so that the wastewater to be treated, the catalyst and the air are fully mixed, and the reaction efficiency is improved.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings required for the description of the embodiments will be briefly introduced below, it should be understood that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a sewage treatment reactor of the present invention;
FIG. 2 is a schematic view of a sectional structure A-A of the sewage treatment reactor shown in FIG. 1.
1. A rotary drive member; 2. a feed inlet; 3. a kettle body; 4. a check valve; 5. adjusting a valve; 6. a main pipeline; 7. a sewage draining outlet; 8. a first branch duct; 9. a second branch pipe; 10. a third branch pipeline; 11. a filter member; 12. a stirring paddle; 13. a catalyst replenishing port; 14. and (7) an exhaust port.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention. It is to be understood that the drawings are designed solely for the purposes of illustration and description and not as a definition of the limits of the invention. The connection relationships shown in the drawings are for clarity of description only and do not limit the manner of connection.
It will be understood that 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. 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 in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
Example 1:
as shown in fig. 1 and 2, the sewage treatment reaction kettle in this embodiment includes a kettle body 3, the structure of the kettle body 3 is the same as that of the kettle body in the prior art, the kettle body 3 is provided with a catalyst replenishing port 13, and four filter members 11, namely a first filter member, a second filter member, a third filter member and a fourth filter member, are arranged in the kettle body 3; the outlet of each filtering element 11 is connected with a main pipeline 6; each main pipeline 6 is connected with three branch pipelines, namely a first branch pipeline 8, a second branch pipeline 9 and a third branch pipeline 10. For convenience of explanation, in the following description, the following is specified: the first branch pipeline 8 is used for introducing wastewater to be treated into the kettle body 3, the second branch pipeline 9 is used for introducing air into the kettle body 3, and the third branch pipeline 10 is used for discharging the wastewater after treatment.
The filtering member 11 may be a membrane stack in the prior art, for example, a high-efficiency filtering water treatment membrane stack disclosed in chinese patent CN201610201963.7, which includes a membrane stack body, wherein a plurality of disc-type membranes and sealing rings stacked at intervals are serially connected and fastened on a water collecting pipe by fixing rings at both ends of the membrane stack body, and a spacing net sleeved on the water collecting pipe is arranged between adjacent disc-type membranes; the partition net comprises a mounting ring sleeved with the water collecting pipe, a plurality of flow deflectors which are regularly arranged outside the mounting ring and are connected with the mounting ring into a whole, and flow guide inclined openings arranged at the edge of at least one side surface of each flow deflector, and when the membrane stack in the patent is used, all branch pipelines are communicated with the inside of the water collecting pipe in the patent; for another example, a novel water treatment membrane stack disclosed in chinese patent CN201521093304.3 comprises a disc-type membrane, a sealing ring, a fixing ring, and a water collecting pipe, wherein the middle part of the disc-type membrane has an installation through hole whose size matches with the outer diameter of the water collecting pipe, the sealing ring matches with the installation through hole, and the water collecting pipe has a plurality of water outlet holes; n disk type diaphragms and N +1 sealing washer are piled up at intervals in proper order, make 1 disk type diaphragm of per 2 sealing washer centre gripping, and the sealing washer corresponds with the installation through-hole position, the collector pipe passes installation through-hole and sealing washer inner circle and concatenates all disk type diaphragms and sealing washer, and respectively adopt a retainer plate to fix all disk type diaphragms and sealing washer on the collector pipe in the sealing washer position at both ends, when using the membrane stack in this patent, all branch pipelines all communicate with the collector pipe inside in this patent.
As shown in fig. 1, in this embodiment, each branch pipe is provided with a check valve 4 to prevent the wastewater in the kettle body 3 from flowing back to the first branch pipe 8 and/or the second branch pipe 9; it is also possible to avoid waste water in the first partial duct 8 and/or air from the second partial duct 9 entering the third partial duct 10.
As shown in fig. 1, in this embodiment, each branch pipe is provided with an adjusting valve 5 to adjust the flow rate of the air and the wastewater to be treated, so that the wastewater to be treated and the air have proper proportion and can completely react.
As shown in fig. 1, in this embodiment, a stirring paddle 12 is disposed in the kettle body 3, and the stirring paddle 12 is connected to a rotary driving member 1 for driving the rotation thereof. The rotary driving piece 1 drives the stirring paddle 12 to rotate, so that the wastewater to be treated, the catalyst and the air are fully mixed, and the reaction efficiency is improved. The rotary drive 1 can be realized by means of an existing electric or hydraulic motor or the like.
As shown in fig. 1, in this embodiment, a drain outlet 7 is formed at the bottom of the kettle body 3, and a drain valve is arranged at the drain outlet 7; the drain outlet 7 is used for discharging impurities such as deactivated catalyst.
As shown in fig. 1, in this embodiment, an exhaust port 14 is formed at the upper portion of the kettle body 3 to facilitate the exhaust of gas generated after the reaction, a filter device such as a filter screen may be fixed at the exhaust port 14 to prevent dust in the air from falling into the kettle body 3, and the exhaust port 14 may also be connected to an exhaust gas treatment device.
As shown in fig. 1, in this embodiment, a feeding port 2 is formed at the upper part of the kettle body 3, so that wastewater to be treated can be conveniently and rapidly added in the pre-reaction stage, a cover can be movably covered on the feeding port 2 to prevent dust in the air from falling into the kettle body 3, and the feeding port can also be connected to a storage device for storing wastewater to be treated.
The working process of the reaction kettle in this example is as follows:
a pre-reaction stage: adding wastewater to be treated into the kettle body 3 from the feed inlet 2, adding a certain amount of wet oxidation catalyst from the catalyst replenishing port 13, starting the rotary driving piece 1, rotating the stirring paddle 12, continuously introducing air into the kettle body 3 from the first filtering piece, discharging reacted gas from the exhaust port 9, reducing the organic matter content of the wastewater in the kettle body 3 to a set value after a period of time, and finishing the pre-reaction stage.
Wet catalytic continuous treatment stage: air with certain flow is continuously introduced into the kettle body 3 from the first filter element, the second filter element and the third filter element, wastewater to be treated is continuously introduced into the kettle body 3 from the first filter element, the second filter element and the third filter element according to a certain proportion with the air flow, air reversely flowing into the filter elements 11 and the wastewater to be treated backflush the first filter element, the second filter element and the third filter element, so that the blockage of the first filter element, the second filter element and the third filter element is avoided, the wastewater to be treated in the kettle body 3 is subjected to wet catalytic oxidation treatment through air oxidation under the action of a catalyst, and the treated wastewater is separated from the catalyst through the fourth filter element and is discharged from a third branch pipeline 10 connected with the fourth filter element; the reacted gas is discharged from the gas outlet 9; after a period of time, the first branch pipeline 8 and the second branch pipeline 9 of the first filter element are closed, air and wastewater to be treated enter the kettle body 3 through the second filter element, the third filter element and the fourth filter element respectively, the air and the wastewater to be treated reversely flow into the filter element 11 to backflush the second filter element, the third filter element and the fourth filter element, and the treated wastewater is discharged through the first filter element, the main pipeline 6 connected with the first filter element and the third branch pipeline 10 connected with the first filter element in sequence; and (4) continuing to operate, so that all the filter elements 11 are sequentially backflushed by the air and the wastewater to be treated, and circulating in such a way, and finishing the treatment of the wastewater.
The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.
Claims (2)
1. The utility model provides a sewage treatment reation kettle, includes the cauldron body (3), and gas vent (14) and feed inlet (2) have been seted up respectively on the upper portion of this cauldron body (3), and drain (7), its characterized in that have been seted up to the bottom of this cauldron body (3): the kettle body (3) is provided with a catalyst replenishing port (13), at least two filter pieces (11) are arranged in the kettle body (3), and the outlet of each filter piece (11) is connected with at least three branch pipelines; each branch pipeline is provided with a check valve (4) and an adjusting valve (5) respectively.
2. The sewage treatment reaction kettle of claim 1, wherein: the reactor is characterized in that a stirring paddle (12) is arranged in the reactor body (3), and the stirring paddle (12) is connected with a rotary driving piece (1) for driving the stirring paddle to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920477683.8U CN210261356U (en) | 2019-04-10 | 2019-04-10 | Sewage treatment reation kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920477683.8U CN210261356U (en) | 2019-04-10 | 2019-04-10 | Sewage treatment reation kettle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210261356U true CN210261356U (en) | 2020-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920477683.8U Active CN210261356U (en) | 2019-04-10 | 2019-04-10 | Sewage treatment reation kettle |
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| Country | Link |
|---|---|
| CN (1) | CN210261356U (en) |
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- 2019-04-10 CN CN201920477683.8U patent/CN210261356U/en active Active
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