Tail gas recovery and purification device for bentonite production

Abstract

The utility model discloses a tail gas recovery and purification device for bentonite production, which belongs to the field of tail gas recovery and purification and comprises a recovery and purification tank, a collection component arranged below the recovery and purification tank, a gas inlet component arranged at the upper end in the recovery and purification tank, and a filter component arranged at the bottom end of the gas inlet component. According to the technical scheme, the tail gas purification device is characterized in that through cooperative operation of the gas inlet assembly, the filtering assembly and the separation assembly, multi-stage purification of tail gas is achieved, the tail gas is guided to flow spirally through a wind guide groove and inclined blades, the contact area of the tail gas and filtering and adsorption components is increased, and the contact time of the tail gas and the filtering and adsorption components is prolonged; the filter inner cylinder and the filter outer cylinder can intercept large particles, the adsorption plate can also capture fine dust, the tail gas purification quality and efficiency are greatly improved, meanwhile, by means of the position characteristics of the air inlet pipe in the separation cylinder, small-air-volume tail gas can be directly treated, and the situation that equipment or energy cost is additionally input due to air volume fluctuation is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to tail gas recovery purification field, especially relates to a tail gas recovery purification device for bentonite production. BACKGROUND

[0002] Bentonite is a clay rock with montmorillonite as main mineral component, and is named because of the yellow-green clay that can expand into paste after adding water, and tail gas is generated during the production of bentonite, if directly discharged, it will affect the air environment, so it is necessary to recover and purify the tail gas.

[0003] Chinese public patent application number: CN202120044998.0 provides a kind of tail gas recovery purification device, the scheme is by being provided with purification tank, purification liquid, feed inlet, air pump, air pipe and exhaust pipe, utilize air pump to recover tail gas, then pass through purification liquid and purify tail gas, it is simple and convenient to operate, thereby, improve work efficiency, but, tail gas volume is not fixed, tail gas and purification liquid reaction also need time, if, encounter larger gas volume, the tail gas recovery purification device mentioned in above-mentioned patent is not convenient for adjusting the gas volume and efficiency of tail gas purification according to gas volume.

[0004] Therefore, we propose a kind of tail gas recovery purification device for bentonite production. Utility model content

[0005] In order to overcome the deficiencies of prior art, the purpose of the utility model is to provide a kind of tail gas recovery purification device for bentonite production, by the synergistic operation of air inlet component, filter component, separation component, realize the multistage purification of tail gas, air guide groove and inclined blade guide tail gas spiral flow, increase the contact area and time of tail gas and filter, adsorption component, not only filter inner cylinder and filter outer cylinder can intercept larger particle, adsorption plate can also capture fine dust, greatly improve the quality and efficiency of tail gas purification, at the same time, utilize the position characteristics of air inlet pipe in separation cylinder, can directly handle small gas volume tail gas, avoid additional investment equipment or energy cost due to gas volume fluctuation.

[0006] The above technical purpose of the utility model is realized by the following technical scheme:

[0007] The utility model provides a tail gas recovery and purification device for bentonite production, including recovery and purification jar, recovery and purification jar below is provided with collection subassembly, the upper end in recovery and purification jar is provided with air inlet subassembly, the bottom of air inlet subassembly is provided with filter subassembly, the bottom of filter subassembly is provided with separation subassembly, the bottom of separation subassembly penetrates the bottom of recovery and purification jar and is connected with the top of collection subassembly, filter subassembly includes filter inner tube, the top of filter inner tube is fixedly connected with conical air deflector, the bottom of filter inner tube is fixedly connected with motor, the transmission end of motor is fixedly connected with disc, the outer end of disc is fixedly connected with a plurality of equidistance's inclined blade, the outer wall of filter inner tube is fixedly connected with a plurality of equidistance's vertical guide piece, the outer end of vertical guide piece is equipped with filter outer tube, filter outer tube is fixedly connected with recovery and purification jar, separation subassembly includes separation cylinder below inclined blade, separation cylinder is fixedly connected with recovery and purification jar, the front end of separation cylinder is fixedly connected with exhaust pipe, one end of exhaust pipe extends to the inside of separation cylinder and is fixedly connected with exhaust pipe, the one end of exhaust pipe away from separation cylinder penetrates the outer wall of recovery and purification jar, the left end of separation cylinder is fixedly connected with air inlet pipe, air inlet pipe communicates with separation cylinder, the one end of air inlet pipe away from separation cylinder penetrates the outer wall of recovery and purification jar and is fixedly connected with check valve,

[0008] Recovery and purification jar as the main body contains each component, through air inlet subassembly, tail gas is introduced into filter subassembly, is filtered by filter subassembly, is separated by separation subassembly, and finally the separated substances are collected by collection subassembly, wherein air inlet subassembly introduces tail gas into filter subassembly, the conical air deflector of filter subassembly introduces tail gas into vertical guide piece, filter inner tube and filter outer tube filter tail gas, and the filtered tail gas enters separation subassembly through inclined blade, in the process, the motor drives the disc to rotate, the disc drives the inclined blade to rotate, the inclined blade drives the tail gas to rotate, so that the tail gas entering the separation subassembly is in a spiral rotating state, the tail gas in the spiral rotating state is separated into gas and particles in the separation cylinder, the low-density gas rises, and the high-density particles sink, separation is realized, the gas is discharged from the exhaust pipe, the exhaust pipe discharges clean gas, and the particles sink into the collection subassembly, which can handle large amounts of tail gas, if the gas volume is small, the exhaust pipe can be directly connected with the air inlet pipe of the separation subassembly, and small gas volume can be directly transported into the separation cylinder, since the air inlet pipe is located at the left end of the separation cylinder, the gas can form a certain rotation after entering the separation cylinder, and then the tail gas can directly form a spiral rotating state, and the particles in the tail gas can also be separated.

[0009] Further, the outer wall of the conical air deflector is provided with an air guide groove.

[0010] Further, the inner wall of the separation cylinder is fixedly connected with a plurality of adsorption plates.

[0011] Further, the bottom end of the separation cylinder is fixedly connected with a communication pipe, and the bottom end of the communication pipe penetrates through the bottom end of the recovery purification tank.

[0012] Further, the air inlet assembly comprises an air inlet shell fixedly installed at the upper end inside the recovery purification tank and located at the top end of the filter inner cylinder, and the air inlet shell is matched with the conical air guide block.

[0013] Further, the front end of the air inlet shell is fixedly connected with an air inlet connecting pipe, one end of the air inlet connecting pipe penetrates through the front end of the air inlet shell and extends to the inside of the front end of the air inlet shell, and an air inlet guide pipe is fixedly connected with the air inlet connecting pipe, and the air inlet guide pipe is matched with the conical air guide block.

[0014] Further, the end of the air inlet connecting pipe away from the air inlet shell penetrates through the outer wall of the recovery purification tank.

[0015] Further, the collection assembly comprises a dust collection tank located below the recovery purification tank, and a threaded connector is fixedly connected with the top end of the dust collection tank, the threaded connector is located inside the communication pipe, and the threaded connector is threadedly connected with the communication pipe.

[0016] In summary, the utility model has the following beneficial effects:

[0017] 1. Through the cooperative operation of the air inlet assembly, the filter assembly and the separation assembly, multi-stage purification of the tail gas is realized, the air guide groove and the inclined blade guide the spiral flow of the tail gas, the contact area and time of the tail gas and the filter and adsorption components are increased, not only the filter inner cylinder and the filter outer cylinder can intercept larger particles, but also the adsorption plate can capture fine dust, the quality and efficiency of tail gas purification are greatly improved, and large amount of tail gas can be treated.

[0018] 2. The dust collection tank is connected with the communication pipe through the threaded connector, can be easily disassembled for cleaning or replacement, reduces the difficulty and time cost of equipment maintenance, and in addition, the relatively independent design of each component makes it unnecessary to replace the whole equipment when a single component fails, thereby reducing the maintenance workload.

[0019] 3. When small amount of tail gas is treated, the tail gas discharge pipe can be directly connected with the air inlet pipe, the position characteristics of the air inlet pipe in the separation cylinder are utilized, the tail gas is directly formed into a spiral rotating mode and is separated, different amounts of tail gas can be effectively treated, and additional equipment or energy cost due to fluctuation of the gas amount is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a schematic view of the overall structure in the embodiment;

[0021] Figure 2 is a schematic view of the structure of the recovery purification in the embodiment;

[0022] Figure 3 is a structural schematic view of the air intake assembly in the embodiment;

[0023] Figure 4 is a structural schematic view of the collection assembly in the embodiment;

[0024] Figure 5 is a structural schematic view of the filter group in the embodiment;

[0025] Figure 6 is a structural schematic view of the separation assembly in the embodiment.

[0026] In the figure, 1 is a recovery purification tank; 2 is an air intake assembly; 3 is a filter assembly; 4 is a separation assembly; 5 is a collection assembly; 201 is an air intake shell; 202 is an air intake connecting pipe; 203 is an air intake guide pipe; 301 is a filter inner cylinder; 302 is a vertical guide piece; 303 is a filter outer cylinder; 304 is a conical air guide block; 305 is a motor; 306 is an inclined blade; 401 is a separation cylinder; 402 is a communication pipe; 403 is an adsorption plate; 404 is an air inlet pipe; 405 is a one-way valve; 406 is an exhaust pipe; 407 is a discharge pipe; 501 is a dust collection tank; 502 is a threaded connecting head. DETAILED DESCRIPTION

[0027] The utility model will be further described in detail below in combination with the drawings.

[0028] Wherein, same parts are indicated by same reference numerals. It should be noted that the words "front", "back", "left", "right", "up" and "down" used in the following description refer to the directions in the drawings, and the words "bottom surface" and "top surface", "inner" and "outer" respectively refer to the directions towards or away from the geometric center of a specific part.

[0029] Referring to Figures 1-6The utility model provides a tail gas recovery and purification device for bentonite production, which is a preferred embodiment of the utility model, and comprises a recovery and purification tank 1, a collection assembly 5 arranged below the recovery and purification tank 1, an air inlet assembly 2 arranged at the upper end inside the recovery and purification tank 1, a filter assembly 3 arranged at the bottom end of the air inlet assembly 2, a separation assembly 4 arranged at the bottom end of the filter assembly 3, and a collection assembly 5 connected to the top end of the recovery and purification tank 1 at the bottom end of the separation assembly 4.

[0030] The recycling and purifying tank 1 serves as a main body and contains various components. The tail gas is introduced through the air inlet component 2, filtered through the filter component 3, separated through the separation component 4, and finally collected by the collection component 5. The air inlet component 2 introduces the tail gas into the filter component 3. The conical air guide block 304 of the filter component 3 guides the tail gas into the vertical guide piece 302. The filter inner cylinder 301 and the filter outer cylinder 303 filter the tail gas. The filtered tail gas enters the separation component 4 through the inclined blade 306. During the process, the motor 305 drives the disc to rotate, which in turn drives the inclined blade 306 to rotate. The inclined blade 306 drives the tail gas to rotate, causing the tail gas entering the separation component 4 to rotate in a spiral manner. The gas and particles are separated in the separation cylinder 401. The low-density gas rises, and the high-density particles sink, achieving separation. The gas is discharged from the discharge pipe 407 to the exhaust pipe 406, and the clean gas is discharged. The particles and dust sink into the collection component 5. The device can handle a large amount of tail gas. If the gas volume is small, the tail gas discharge pipe can be directly connected to the air inlet pipe 404 of the separation component 4, and the small amount of tail gas can be directly transported into the separation cylinder 401. Since the air inlet pipe 404 is located at the left end of the separation cylinder 401, the gas entering the separation cylinder 401 can form a certain rotation, and the tail gas can form a spiral rotation, which can also separate the particles in the tail gas.

[0031] The outer wall of the conical air guide block 304 is provided with an air guide groove;

[0032] The air guide groove guides the tail gas to enter the filter inner cylinder 301 more orderly, plays a role in preliminary guidance and uniformization of airflow, and is helpful for subsequent filtering operation.

[0033] The inner wall of the separation cylinder 401 is fixedly connected with a plurality of adsorption plates 403;

[0034] The adsorption plates 403 are fixed to the inner wall of the separation cylinder 401, which can adsorb lighter dust in the tail gas, further purify the tail gas, and improve the purity of the tail gas.

[0035] The bottom end of the separation cylinder 401 is fixedly connected with a communication pipe 402, and the bottom end of the communication pipe 402 penetrates through the bottom end of the recycling and purifying tank 1.

[0036] The communication pipe 402 connects the separation cylinder 401 and the outside of the recycling and purifying tank 1, and guides the separated solid impurities or liquid in the separation cylinder 401 out of the recycling and purifying tank 1, which is convenient for subsequent collection and treatment.

[0037] The air inlet component 2 includes an air inlet housing 201 fixedly installed at the upper end inside the recycling and purifying tank 1 and located at the top end of the filter inner cylinder 301. The air inlet housing 201 is adapted to the conical air guide block 304.

[0038] The air inlet shell 201 is fixed in the upper end of the recovery purification tank 1, matched with the conical air guide block 304, guiding the exhaust gas from the air inlet shell 201 to enter the filter inner cylinder 301 through the conical air guide block 304, playing the role of air inlet guiding.

[0039] The front end of the air inlet shell 201 is fixedly connected with an air inlet connecting pipe 202, one end of the air inlet connecting pipe 202 extends through the front end of the air inlet shell 201 to the inside of the front end of the air inlet shell 201 and is fixedly connected with an air inlet guide pipe 203, the air inlet guide pipe 203 is matched with the conical air guide block 304;

[0040] The air inlet connecting pipe 202 connects the external exhaust gas source and the air inlet shell 201, and the air inlet guide pipe 203 further guides the exhaust gas to the conical air guide block 304, ensuring that the exhaust gas accurately enters the filter inner cylinder 301, improving the stability and accuracy of the air inlet.

[0041] The end of the air inlet connecting pipe 202 away from the air inlet shell 201 penetrates the outer wall of the recovery purification tank 1;

[0042] The air inlet connecting pipe 202 penetrates the outer wall of the recovery purification tank 1, realizing the connection of the external exhaust gas and the air inlet assembly 2 inside the recovery purification tank 1, providing a channel for the exhaust gas to enter the recovery purification tank 1.

[0043] The collection assembly 5 includes a dust collection tank 501 located below the recovery purification tank 1, the top end of the dust collection tank 501 is fixedly connected with a threaded connector 502, the threaded connector 502 is located inside the communication pipe 402, and the threaded connector 502 is screwed with the communication pipe 402;

[0044] The threaded connector 502 is screwed with the communication pipe 402, realizing the disassembly and installation of the dust collection tank 501, collecting the separated substances guided from the communication pipe 402, and realizing the collection and storage of impurities.

[0045] Specific implementation process: first, the external exhaust source is connected with the air inlet shell 201 through the air inlet connecting pipe 202, so that the exhaust gas can enter the recovery and purification tank 1, the exhaust gas is guided from the air inlet connecting pipe 202 through the air inlet guide pipe 203, enters the air inlet shell 201, because the air inlet shell 201 is matched with the conical wind guide block 304, the exhaust gas enters the vertical guide piece 302 more orderly through the wind guide groove of the outer wall under the action of the conical wind guide block 304, then the motor 305 is started, the motor 305 drives the disc at the transmission end to rotate, the disc in turn drives the multiple equidistant inclined blades 306 at the outer end to rotate, the exhaust gas is preliminarily filtered between the filter inner cylinder 301 and the filter outer cylinder 303, the filtered exhaust gas is in a spiral rotating state under the driving of the inclined blades 306 and enters the separation cylinder 401, in the separation cylinder 401, the low-density gas in the spiral rotating state of the exhaust gas rises, the high-density particles sink, realizing the separation of gas and particles, the adsorption plate 403 fixed on the inner wall of the separation cylinder 401 can adsorb the lighter dust in the exhaust gas, further purifying the exhaust gas, the purified gas is discharged from the exhaust pipe 407 to the exhaust pipe 406, and then the clean gas is discharged from the exhaust pipe 406 to the recovery and purification tank 1, and the separated high-density particles and other impurities sink, the exhaust gas with large air volume can be treated, and the exhaust gas with small air volume can be directly connected with the air inlet pipe 404 of the separation assembly 4 through the exhaust discharge pipe, and the exhaust gas is directly introduced into the separation cylinder 401 through the air inlet pipe 404 under the action of the one-way valve 405, because the air inlet pipe 404 is located at the left end of the separation cylinder 401, the gas can form a certain rotation after entering, so that the exhaust gas directly forms a spiral rotating state, and the particles in the exhaust gas can also be separated, and the recovery and purification treatment of the exhaust gas is completed.

[0046] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A tail gas recovery purifying device for bentonite production, characterized by: The utility model provides a recovery purifier, including recovery purifier (1), the lower part of recovery purifier (1) is provided with collection assembly (5), the upper end inside recovery purifier (1) is provided with air inlet assembly (2), the bottom of air inlet assembly (2) is provided with filter assembly (3), the bottom of filter assembly (3) is provided with separation assembly (4), the bottom of separation assembly (4) is connected with the top of collection assembly (5) through the bottom of recovery purifier (1), The filter assembly (3) includes a filter inner cylinder (301), the top end of the filter inner cylinder (301) is fixedly connected with a conical air guide block (304), the bottom end of the filter inner cylinder (301) is fixedly connected with a motor (305), the transmission end of the motor (305) is fixedly connected with a disc, the outer end of the disc is fixedly connected with a plurality of equidistant inclined blades (306), the outer wall of the filter inner cylinder (301) is fixedly connected with a plurality of equidistant vertical guide fins (302), the outer end of the vertical guide fins (302) is sleeved with a filter outer cylinder (303), and the filter outer cylinder (303) is fixedly connected with the recovery purifier (1). The separation assembly (4) includes a separation cylinder (401) located below the inclined blade (306), the separation cylinder (401) is fixedly connected with the recovery purifier (1), the front end of the separation cylinder (401) is fixedly connected with an exhaust pipe (406), one end of the exhaust pipe (406) extends to the inside of the separation cylinder (401) through the outer wall of the separation cylinder (401) and is fixedly connected with a discharge pipe (407), the end of the exhaust pipe (406) away from the separation cylinder (401) penetrates the outer wall of the recovery purifier (1), the left end of the separation cylinder (401) is fixedly connected with an air inlet pipe (404), the air inlet pipe (404) communicates with the separation cylinder (401), and the end of the air inlet pipe (404) away from the separation cylinder (401) penetrates the outer wall of the recovery purifier (1) and is fixedly connected with a check valve (405).

2. The tail gas recovery purifying device for bentonite production according to claim 1, characterized in that: The outer wall of the conical air guide block (304) is provided with an air guide groove.

3. The tail gas recovery purifying device for bentonite production according to claim 1, characterized in that: The inner wall of the separation cylinder (401) is fixedly connected with a plurality of adsorption plates (403).

4. The tail gas recovery purifying device for bentonite production according to claim 3, characterized in that: The bottom end of the separation cylinder (401) is fixedly connected with a communication pipe (402), and the bottom end of the communication pipe (402) penetrates the bottom end of the recovery purifier (1).

5. The tail gas recovery purifying device for bentonite production according to claim 1, characterized in that: The air inlet assembly (2) includes an air inlet shell (201) fixedly installed on the upper end inside the recovery purifier (1) and located at the top end of the filter inner cylinder (301), and the air inlet shell (201) is matched with the conical air guide block (304).

6. The tail gas recovery purifying device for bentonite production according to claim 5, characterized in that: The front end of the air inlet shell (201) is fixedly connected with an air inlet connecting pipe (202), one end of the air inlet connecting pipe (202) extends to the inside of the front end of the air inlet shell (201) through the front end of the air inlet shell (201) and is fixedly connected with an air inlet guide pipe (203), and the air inlet guide pipe (203) is matched with the conical air guide block (304).

7. The tail gas recovery purifying device for bentonite production according to claim 6, characterized in that: The end of the air inlet connecting pipe (202) away from the air inlet shell (201) penetrates the outer wall of the recovery purifier (1).

8. The tail gas recovery purifying device for bentonite production according to claim 1, characterized in that: The collecting assembly (5) comprises a dust collecting tank (501) located below the recycling purification tank (1), a threaded connector (502) is fixedly connected to the top end of the dust collecting tank (501), the threaded connector (502) is located in the inside of the communicating pipe (402), and the threaded connector (502) is screwed with the communicating pipe (402).

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