CN218853942U - RTO tail gas treatment is with circulating water-sealed tank - Google Patents

Abstract

The utility model discloses a RTO tail gas treatment is with circulating water-sealed tank, which comprises a tank body, the internal portion of jar is stored and is had tail gas treatment liquid, and jar body top is equipped with the intake pipe, and jar body one side is equipped with the blast pipe, be equipped with the separating mechanism who is used for gas-liquid separation in the air current on the blast pipe, separating mechanism is including installing the separation crown plate on the blast pipe, be equipped with the separation otter board that is used for gas-liquid separation on the separation crown plate, be equipped with the cotton layer of absorption on the separation otter board to and be used for the extrusion to adsorb the extrusion subassembly of cotton layer moisture. Through the combination of separation otter board and the cotton layer of absorption, the effectual loss that reduces moisture utilizes the extrusion force, will adsorb the timely extrusion separation of the cotton layer absorbent moisture to make the cotton layer of absorption can continuously keep good adsorption effect, the utility model overcomes the not enough of prior art, reasonable in design, compact structure has higher social use value and application prospect.

Description

RTO tail gas treatment is with circulating water-sealed tank

Technical Field

The utility model relates to a RTO tail gas treatment technical field especially relates to a RTO tail gas treatment is with circulating water-sealed tank.

Background

The RTO is a short for heat accumulating type high temperature oxidation furnace, and is increasingly applied to the tail gas treatment of chemical enterprises due to the high efficiency of the treatment of the tail gas. But the safety of the device is also a key concern of each enterprise, and a water seal tank is generally arranged on a device with smaller handling capacity, so that the safety guarantee effect is realized.

Current when handling RTO tail gas, generally adopt the water seal tank, make the air current pass through the form of the inside tail gas treatment liquid of water seal tank, make the tail gas treatment liquid adsorb or handle the material in the air current, the inventor is in process of production, discover current water seal tank when using, tail gas that contains VOCs enters into the back procedure behind the water seal tank, water smoke can be taken away to the tail gas circulation in-process, thereby cause the reduction of the water yield in the water seal tank very easily, lead to frequently to adding the tail gas treatment liquid to the internal of jar, very trouble.

Therefore, in view of this, the utility model provides a circulating water-sealed tank for RTO tail gas treatment, which retains the experience of the design development and the actual manufacture that are abundant in the related industry for many years, and researches and improves the existing structure and deficiency, so as to achieve the purpose of having more practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the current water-sealed tank that mentions among the above-mentioned background art when using, the tail gas that contains VOCs gets into the back end process after the water-sealed tank, and water smoke can be taken away to the tail gas circulation in-process to cause the reduction of water yield in the water-sealed tank very easily, lead to frequently adding tail gas treatment fluid to the internal jar, very troublesome problem, the utility model provides a RTO tail gas treatment is with circulating water-sealed tank.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides a RTO tail gas treatment is with circulating water-sealed tank, includes a jar body, the internal portion of jar is stored and is had tail gas treatment liquid, and jar body top is equipped with the intake pipe, and jar body one side is equipped with the blast pipe, be equipped with the separating mechanism who is used for gas-liquid separation in the air current on the blast pipe, separating mechanism is including installing the separation ring board on the blast pipe, be equipped with the separation otter board that is used for gas-liquid separation on the separation ring board, be equipped with the cotton layer of absorption on the separation otter board to and be used for the extrusion to adsorb the extrusion subassembly of cotton layer moisture.

Preferably, a backflow groove is formed in the separating ring plate, a drainage groove is formed in the backflow groove, and a backflow pipe communicated with the tank body extends out of the backflow groove.

Preferably, the extrusion assembly comprises a rotating shaft rotatably connected with the separation screen plate, an extrusion rod is arranged on the rotating shaft, and the extrusion assembly further comprises a driving motor for driving the rotating shaft to rotate.

Preferably, the bottom of the exhaust pipe is inclined, and the inclination angle enables liquid to automatically flow back to the interior of the tank body along the inner wall of the exhaust pipe.

Preferably, the meshes of the plurality of separating mesh plates are distributed in a staggered way.

Preferably, the internal division board that is equipped with of jar, be equipped with a plurality of honeycomb ducts that run through the face and extend to in the tail gas treatment liquid on the division board, jar body one side is equipped with the moisturizing pipe that is used for supplementing jar internal liquid.

Preferably, a circulation buffer tank is arranged on one side of the tank body, and a circulation pump for conveying liquid in the circulation buffer tank to flow back to the water seal tank is arranged on one side of the circulation buffer tank.

Preferably, one side of the tank body is provided with an overflow hole for automatically discharging redundant tail gas treatment liquid, and the overflow hole is connected with the water inlet end of the circulation buffer tank through a pipeline.

Preferably, a liquid adding pipe for supplementing fresh water is further arranged on the circulating buffer tank.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the separation screen plate is designed to block and separate part of moisture in the air flow through the separation screen plate, the adsorption cotton layer can further remove most of moisture in the air flow by utilizing the adsorption effect of the adsorption cotton layer, so that the moisture loss is effectively reduced by combining the separation screen plate with the adsorption cotton layer, the addition of the extrusion rod can extrude the adsorption cotton layer on the separation screen plate by rotating the extrusion rod, the moisture adsorbed by the adsorption cotton layer is timely extruded and separated by utilizing the extrusion force, the adsorption cotton layer can continuously keep a good adsorption effect, the whole air flow exhaust pipe can have a good and stable moisture separation effect, the moisture in the air flow in the exhaust pipe is removed, and the moisture loss is reduced;

2. the design of the partition plate and the flow guide pipe can ensure that airflow entering the tank body can pass through the tail gas treatment liquid in an air bubble mode after entering the tank body, so that the tail gas can be more fully treated by tail gas treatment; the design of the water replenishing pipe can replenish liquid in the tank body in time through the water replenishing pipe, so that the situation that the bottom of the flow guide pipe is positioned above the liquid level of the tail gas treatment due to excessive liquid loss in the tank body, and the tail gas cannot be treated by the tail gas treatment liquid is prevented;

3. the design of overflow board and overflow hole, no matter how much more the volume that tail gas treatment liquid adds, the overflow board can remain the liquid level that internal tail gas treatment liquid of jar keeps in the overflow board parallel and level all the time, make internal tail gas treatment liquid of jar keep stable liquid level all the time, the joining of circulation buffer tank and circulating pump, can be through the combination of circulating pump and overflow board and overflow hole, can last with the tail gas treatment liquid in the circulation buffer tank, form a circulation at circulation buffer tank and internal portion of jar, thereby can last keep internal liquid level of jar to maintain at a stable within range, guaranteed that internal liquid level of jar floods the honeycomb duct bottom all the time, and sufficient liquid has in the circulation buffer tank, consequently, can effectually reduce fresh liquid's supplementary number of times and interval.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the three-dimensional structure of the present invention.

Fig. 2 is the schematic view of the internal structure of the tank of the present invention.

Fig. 3 is a schematic view of the cross-section structure of the exhaust pipe and the separating ring plate of the present invention.

Fig. 4 is a schematic view of the three-dimensional structure of the separation screen and the driving motor of the present invention.

In the figure: 1. a tank body; 11. an exhaust pipe; 12. an air inlet pipe; 13. a circulating buffer tank; 131. a liquid feeding pipe; 132. an overflow pipe; 133. a water pumping pipe; 14. a circulation pump; 141. a drain pipe; 15. a water replenishing pipe; 16. a partition plate; 17. a flow guide pipe; 2. separating the ring plate; 21. a drive box; 211. a drive motor; 212. an output shaft; 213. a synchronization chain; 22. a return pipe; 23. a rotating shaft; 24. a reflux tank; 241. a drainage groove; 25. separating the screen plate; 251. an absorbent cotton layer; 26. the rod is squeezed.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-4, a circulating water-sealed tank for RTO tail gas treatment, including a jar body 1, jar body 1 top is equipped with the intake pipe 12 that is used for tail gas to get into the processing, and jar body 1 one side is equipped with and is used for handling back tail gas exhaust blast pipe 11, be equipped with the separating mechanism who is used for moisture separation in the air current on the blast pipe 11, separating mechanism includes separating ring board 2 and separation otter board 25, separating ring board 2 fixed mounting is at 11 tip of blast pipe, and is equipped with a plurality of separation otter boards 25 that are used for blockking the separation to passing through moisture in the air current in the separating ring board 2, separation otter board 25 surface is equipped with and is used for the absorbent cotton layer 251 of moisture in the air current, and is equipped with rotatable and is used for the extrusion stem 26 of moisture extrusion separation in the absorbent cotton layer 251 on the separating otter board 25. The design of separation otter board 25, can block the separation through the partial moisture that separates in otter board 25 with the air current, and adsorb cotton layer 251, can utilize the adsorption effect who adsorbs cotton layer 251, further most moisture wherein gets rid of, thereby through the combination that separates otter board 25 and adsorption cotton layer 251, the effectual loss that reduces moisture, and the joining of pressure ram 26, can be through the rotation of pressure ram 26, extrude the adsorption cotton layer 251 that separates on the otter board 25, utilize the extrusion force, the timely extrusion separation of the moisture that adsorbs cotton layer 251 adsorption, thereby make adsorption cotton layer 251 can continuously keep good adsorption effect, thereby make whole can have good stable moisture separation effect, get rid of the moisture in the air current in the blast pipe 11, reduce the loss of moisture.

As a feasible embodiment, referring to fig. 3, the separating mesh plate 25 is fixedly connected to the inner wall of the separating ring plate 2, a backflow groove 24 is arranged in the separating ring plate 2 and located at the bottom of the separating mesh plate 25, a plurality of drainage grooves 241 corresponding to the separating mesh plate 25 and used for liquid to flow back into the backflow groove 24 are arranged on the backflow groove 24, and a backflow pipe 22 used for liquid in the backflow groove 24 to flow back into the water seal tank is arranged at the bottom of the separating ring plate 2. The design of return chute 24, drainage groove 241 and back flow pipe 22 can make the moisture after the stripper plate extrusion separation can be because gravity is automatic fall into in the drainage groove 241, flow back to the water seal jar in through return chute 24 and back flow pipe 22 are automatic, realized the automatic backward flow of moisture to make the tail gas treatment liquid of jar body 1 can use longer time, reduce the number of times of adding of tail gas treatment liquid, practice thrift the cost.

In this embodiment, the width of the drainage groove 241 is smaller than the sum of the thicknesses of the separation screen plate 25 and the absorbent cotton layer 251, and the absorbent cotton layer 251 can shield the exposed position of the drainage groove 241, so as to prevent the airflow from entering the drainage groove 241 as much as possible.

As a possible embodiment, referring to fig. 3 to 4, a rotatable rotating shaft 23 is disposed at the center of the separating ring plate 2, the rotating shafts 23 respectively and movably penetrate through the centers of the corresponding separating mesh plates 25, the squeezing rods 26 are respectively and fixedly connected with the corresponding rotating shafts 23, a fixedly connected driving box 21 is disposed on the separating ring plate 2, a fixedly connected driving motor 211 is disposed in the driving box 21, an output end of the driving motor 211 is provided with an output shaft, a penetrating type synchronization hole is disposed on the separating ring plate 2 at one side of the output shaft, and an output shaft of a synchronization chain 212 is disposed in the synchronization hole; a synchronization chain 213, said synchronization chain output shaft 212; the synchronization chain 213 is used for the synchronized rotation of the output shaft and the rotating shaft 23. A drive motor 211, a rotating shaft 23, a synchronization chain output shaft 212; the design of the synchronization chain 213, which can pass through the synchronization chain output shaft 212; the driving of the synchronous chain 213 enables the driving motor 211 to drive the rotating shaft 23 to rotate, so that the plurality of squeezing rods 26 can rotate simultaneously to squeeze and separate the moisture in the absorbent cotton layer 251.

As a possible embodiment, the bottom of the exhaust pipe 11 is inclined, and the inclined angle of the bottom of the exhaust pipe 11 enables the separated water to automatically flow back to the inside of the tank 1 along the inner wall of the exhaust pipe 11. Set up the slope form 11 bottoms of blast pipe, can utilize gravity, make the liquid of separation can flow back to jar body 1 inside through the automatic landing of the inner wall of blast pipe 11, realized the automatic backward flow of liquid, be located the bottom be equipped with a plurality of backward flow to jar body 1's backward flow hole that are used for liquid better on separation otter board 25 and the absorption cotton layer 251, the crisscross distribution of backward flow hole on a plurality of separation otter boards 25 and the absorption cotton layer 251, the design in backward flow hole can make the liquid of separation on a plurality of separation otter boards 25 can be better flow back to jar body 1 in through gravity, and the crisscross design in backward flow hole, can effectually prevent that the air current from directly discharging through the backward flow hole, guarantee whole separation efficiency to moisture in the air current.

As a possible embodiment, a plurality of the mesh openings of the separating screen 25 are distributed in a staggered manner. The design that the meshes of the separation mesh plates 25 are distributed in a staggered mode enables the air flow to be in contact with another separation mesh plate 25 after passing through one separation mesh plate 25, the other separation mesh plate 25 can be in full collision with the air flow, the contact probability of the air flow to moisture is improved, the separation efficiency of the moisture is improved, more liquid can be recovered, and the loss of the liquid is reduced.

Example 2

The same points as those in embodiment 1 are not described, and the differences from embodiment 1 are that:

referring to fig. 1-2 and fig. 1-2, a tail gas treatment liquid is stored at the bottom of the tank body 1, a separation plate 16 is fixedly connected in the tank body 1 below the gas inlet pipe 12, a plurality of through communication holes are formed in the separation plate 16, a flow guide pipe 17 connected with the communication holes and used for guiding tail gas to a position below the liquid level of the tail gas treatment liquid is arranged below the communication holes, the exhaust pipe 11 is located between the liquid level of the tail gas treatment liquid and the separation plate 16, and a water replenishing pipe 15 used for replenishing liquid in the tank body 1 is arranged on one side of the tank body 1 below the exhaust pipe 11. The design of the partition plate 16 and the draft tube 17 can ensure that the airflow entering the tank body 1 can pass through the tail gas treatment liquid in a bubbling mode after entering the tank body 1, so that the tail gas treatment can be more sufficient for treating the tail gas; the design of moisturizing pipe 15 can be through moisturizing pipe 15 timely to the internal liquid that supplyes in 1 of jar, prevent that the internal liquid loss of jar is too much, lead to honeycomb duct 17 bottom to be located tail gas treatment liquid level top to make the unable condition of handling tail gas of tail gas treatment liquid.

As a feasible embodiment, refer to fig. 1-2, jar body 1 one side is equipped with circulation buffer tank 13, circulation buffer tank 13 one side is equipped with circulating pump 14, circulating pump 14 is intake and is held and be equipped with drinking-water pipe 133, drinking-water pipe 133 tip and circulation buffer tank 13 go out the water end intercommunication, circulating pump 14 drainage end is equipped with drain pipe 141, drain pipe 141 tip and moisturizing pipe 15 intercommunication are located tail gas treatment liquid level one side be equipped with fixed connection and the overflow board 18 that is the L shape on the jar body 1 lateral wall, be located overflow board 18 one side be equipped with the overflow hole of through type on jar body 1, the jar body 1 outside is equipped with overflow pipe 132 that is linked together with the overflow hole, overflow pipe 132 extension end and circulation buffer tank 13 intake end intercommunication. The design of overflow board 18 and overflow hole, no matter how much more the volume of tail gas treatment liquid adds, overflow board 18 can keep the inside tail gas treatment liquid of jar body 1 all the time and keep in the liquid level of overflow board 18 parallel and level, make the tail gas treatment liquid in jar body 1 keep stable liquid level all the time, the joining of circulation buffer tank 13 and circulating pump 14, can be through the combination of circulating pump 14 and overflow board 18 and overflow hole, can be lasting with the tail gas treatment liquid in the circulation buffer tank 13, form a circulation in circulation buffer tank 13 and jar body 1 inside, thereby can be lasting keep the inside liquid level of jar body 1 to maintain a stable within range, guaranteed that jar body 1 inside liquid level submerges honeycomb duct 17 bottom all the time, and have sufficient liquid in the circulation buffer tank 13, consequently can effectually reduce fresh liquid's replenishment number of times and interval, jar body 1 bottom is equipped with the clean pipe that sewage discharges completely.

As a possible embodiment, referring to fig. 1, the circulation buffer tank 13 is further provided with a filling pipe 131 for fresh water replenishment. The liquid feeding pipe 131 can be used for adding fresh liquid into the circulating buffer tank 13 through the liquid feeding pipe 131, so that water circulation in the circulating buffer tank 13 is continuously guaranteed, and lost water can be supplemented.

In this embodiment, the charging pipe 131, the discharging pipe 141 and the returning pipe 22 are provided with control valves.

This application is when using:

firstly, tail gas containing VOCs enters the tank body 1 through the gas inlet pipe 12, and gas enters the tail gas treatment liquid through the guide pipe 17 and moves upwards in the form of bubbles, and in the process of upwards moving the gas in tail gas treatment, the tail gas treatment liquid can be in contact with substances to be treated in the tail gas and separate the substances from the gas, so that the treatment of the tail gas is realized;

the treated gas is discharged through the exhaust pipe 11, in the discharging process, moisture in the gas is adsorbed and separated by the adsorption cotton layer 251 on the separation screen plate 25 through the separation screen plate 25, so that the moisture in the gas is reduced, then the driving motor 211 is started to drive the extrusion rod 26 to rotate, so that the extrusion rod 26 extrudes and discharges the moisture in the adsorption cotton layer 251 in time, the adsorption cotton layer 251 can continuously maintain good adsorption capacity, and the moisture separation efficiency in the gas flow is ensured;

the separated water enters the separation groove through the drainage groove 241, and then flows back to the tank body 1 through the return pipe 22, or directly slides into the tank body 1 through the inner wall of the drain pipe 141, so that the loss of the water in the tail gas treatment liquid is reduced;

in-process to tail gas treatment, start circulating pump 14, tail gas treatment fluid with storing in the circulation buffer tank 13 passes through drain pipe 141 and gets into in the moisturizing pipe 15, thereby get into jar internal 1, and along with the liquid increase in jar internal 1, unnecessary liquid is when being higher than overflow plate 18, thereby can be directly through overflow plate 18 overflow to overflow hole department, flow back to circulation buffer tank 13 in through overflow pipe 132, the circulation of liquid has been realized, the height that the liquid level was setting for all the time in the jar body 1 that keeps that overflow plate 18 can last simultaneously, guarantee holistic tail gas treatment efficiency.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; they may be mechanically coupled, directly coupled, indirectly coupled through intervening media, and may be interconnected or interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The utility model discloses a control mode is through controller come automatic control, and the control circuit of controller can realize through the simple programming of technical staff in this field, and the providing of power also belongs to the common general knowledge in this field, and the utility model discloses mainly be used for protecting mechanical device, so the utility model discloses no longer explain control mode and circuit connection in detail.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (9)

1. The utility model provides a RTO tail gas treatment is with circulating water-sealed tank, includes a jar body (1), jar body (1) inside storage has tail gas treatment liquid, and jar body (1) top is equipped with intake pipe (12), and jar body (1) one side is equipped with blast pipe (11), its characterized in that: be equipped with the separating mechanism who is used for gas-liquid separation in the air current on blast pipe (11), separating mechanism is including installing separation crown plate (2) on blast pipe (11), be equipped with separation otter board (25) that are used for gas-liquid separation on separation crown plate (2), be equipped with on separation otter board (25) and adsorb cotton layer (251) to and be used for the extrusion of extrusion adsorption cotton layer (251) moisture.

2. The circulating water-sealed tank for the RTO tail gas treatment according to claim 1, characterized in that: be equipped with return current groove (24) in separating ring board (2), be equipped with drainage groove (241) on return current groove (24), back flow groove (24) go up to extend back flow (22) that are linked together with jar body (1).

3. The circulating water-sealed tank for RTO tail gas treatment according to claim 1, characterized in that: the extrusion assembly comprises a rotating shaft (23) rotatably connected with the separation screen plate (25), an extrusion rod (26) is arranged on the rotating shaft (23), and the extrusion assembly further comprises a driving motor (211) which drives the rotating shaft (23) to rotate.

4. The circulating water-sealed tank for the RTO tail gas treatment according to claim 1, characterized in that: the bottom of the exhaust pipe (11) is inclined, and the inclination angle enables liquid to automatically flow back to the inside of the tank body (1) along the inner wall of the exhaust pipe (11).

5. The circulating water-sealed tank for the RTO tail gas treatment according to claim 1, characterized in that: the meshes on the plurality of separating screen plates (25) are distributed in a staggered way.

6. The circulating water-sealed tank for RTO tail gas treatment according to claim 1, characterized in that: the tail gas treatment device is characterized in that a partition plate (16) is arranged in the tank body (1), a plurality of guide pipes (17) penetrating through the plate surface and extending into the tail gas treatment liquid are arranged on the partition plate (16), and a water replenishing pipe (15) used for replenishing liquid in the tank body (1) is arranged on one side of the tank body (1).

7. The circulating water-sealed tank for RTO tail gas treatment according to claim 6, characterized in that: the circulating buffer tank (13) is arranged on one side of the tank body (1), and the circulating pump (14) which conveys liquid in the circulating buffer tank (13) to return to the water seal tank is arranged on one side of the circulating buffer tank (13).

8. The circulating water-sealed tank for RTO tail gas treatment according to claim 6, characterized in that: one side of the tank body (1) is provided with an overflow hole for automatically discharging redundant tail gas treatment liquid, and the overflow hole is connected with the water inlet end of the circulation buffer tank (13) through a pipeline.

9. The circulating water-sealed tank for RTO tail gas treatment according to claim 7, characterized in that: and a liquid adding pipe (131) for supplementing fresh water is also arranged on the circulating buffer tank (13).

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