Tail gas capturing equipment for bentonite preparation

Abstract

The utility model discloses tail gas capturing equipment for bentonite preparation, which belongs to the field of tail gas treatment, and comprises a capturing component, the capturing component comprises a shell, an adsorption type filter screen is fixedly connected in the shell, an adsorption water cylinder is arranged below the adsorption type filter screen, the bottom end of the adsorption water cylinder is fixedly connected with a drain outlet, and the drain outlet is fixedly connected with a water inlet. One end of the drain outlet away from the adsorption water cylinder penetrates through the right wall of the lower end of the shell; the gas guide assembly comprises a connecting cylinder, the outer wall of the connecting cylinder is rotationally connected with an inclined gas guide piece, the key point of the technical scheme is that oil, particle impurities and harmful substances in tail gas are adsorbed through multi-stage filtration, the filtration precision is greatly improved, the inclined gas guide piece rotates under the impact of the tail gas, the flow direction of the tail gas is changed, and the tail gas is more stable. The tail gas is more fully contacted with the adsorption type filter screen; openings of the conical adsorption cotton are gradually reduced from bottom to top, so that the contact area and time of the tail gas and the adsorption cotton are increased, and the tail gas is discharged after impurities are adsorbed in the water tank.

Description

TECHNICAL FIELD

[0001] The utility model relates to tail gas treatment field, especially a tail gas capture equipment for bentonite preparation. BACKGROUND

[0002] In the bentonite preparation process, tail gas containing a large amount of oil, particulate impurities and harmful substances will be produced, so tail gas capture equipment is needed to capture and treat the tail gas.

[0003] Chinese public patent application number: CN202320372512.5 provides a flue gas carbon capture equipment, which absorbs flue gas carbon by spraying absorption liquid, captures flue gas carbon in the tail gas, and switches the filter cartridge by rotating the top plate, but when capturing the tail gas, the above-mentioned patent mentions that the capture equipment mainly wets the flue gas by spraying to make the particles in the flue gas sink, but the tail gas contains not only particles but also oil and harmful gases, and the capture equipment mentioned in the above-mentioned patent cannot comprehensively and deeply treat the various pollutants in the tail gas, and when filtering the gas, only one filter cartridge is used at a time, and the use of multiple filter cartridges affects the gas filtering effect.

[0004] Therefore, we propose a tail gas capture equipment for bentonite preparation. UTILITY MODEL CONTENTS

[0005] In order to overcome the shortcomings of the prior art, the purpose of the utility model is to provide a tail gas capture equipment for bentonite preparation, which can greatly improve the filtering precision by filtering and adsorbing oil, particulate impurities and harmful substances in the tail gas, wherein the inclined air guide piece rotates under the impact of the tail gas, changes the flow direction of the tail gas, and makes the tail gas more fully contact with the adsorbing filter screen.

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

[0007] A tail gas capture equipment for bentonite preparation, comprising:

[0008] The application discloses a tail gas treatment device, which comprises a capturing assembly, a gas guiding assembly and a secondary filtering assembly.

[0009] After the tail gas enters the inside of the shell, the tail gas first enters the adsorbing filter screen through the inclined gas guiding piece, in the process, the airflow impacts the inclined gas guiding piece to make it rotate, so that the gas flow direction is changed, so that the tail gas can be more fully contacted with the adsorbing filter screen, and the filtering effect is improved; the adsorbing filter screen can adsorb oil in the tail gas; the particulate impurities contained in the tail gas fall into the adsorbing water cylinder and are deposited in water; the accumulated impurities and sewage in the adsorbing water cylinder can be discharged subsequently; the subsequent gas enters the conical barrel through the microporous filter barrel and the adsorbing filter screen; the microporous filter barrel and the adsorbing filter screen adsorb the tail gas; the three stacked conical adsorbing cottons adsorb the tail gas again; finally, the tail gas enters the connecting barrel and is discharged subsequently.

[0010] Further, the right wall of the upper end of the shell is fixedly connected with a gas outlet, one end of the gas outlet extends through the outer wall of the shell to the inside of the shell and is fixedly connected with the top end of the connecting barrel.

[0011] Further, the upper end of the shell and the left rear end of the shell are fixedly connected with a gas inlet, one end of the gas inlet extends through the outer wall of the shell to the inside of the shell.

[0012] Further, the outer wall of the connecting barrel is fixedly connected with a circular ring.

[0013] Further, the inclined gas guiding piece comprises a sleeve ring, a groove matched with the circular ring is formed in the inner wall of the sleeve ring, and the groove is slidably connected with the circular ring.

[0014] Further, the outer end of the sleeve ring is fixedly connected with a plurality of inclined pieces.

[0015] Further, the three conical adsorbing cottons are arranged from large to small in the opening from bottom to top.

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

[0017] 1, the equipment adopts multistage filter design, and the adsorption type filter screen can effectively adsorb oil in tail gas, the microporous filter barrel, the adsorption filter cotton and the conical adsorption cotton of different specifications, and the particle impurities and harmful substances in the tail gas are intercepted layer by layer, the filtration precision is greatly improved, and the captured tail gas reaches the environmental protection standard.

[0018] 2, the inclined gas guide piece rotates under the impact of tail gas, changes the flow direction of tail gas, so that the tail gas is more fully contacted with the adsorption type filter screen, the opening of the conical adsorption cotton gradually decreases from bottom to top, the contact area and time of the tail gas and the adsorption cotton are increased, the filtration effect is further improved, and the components work cooperatively to optimize the filtration process.

[0019] 3, the adsorption water cylinder is provided with a blowdown opening at the bottom, can conveniently discharge the precipitated impurities and sewage, reduces the difficulty and cost of equipment maintenance, and guarantees long-term stable operation of the equipment. BRIEF DESCRIPTION OF DRAWINGS

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

[0021] Figure 2 is the internal structure schematic view in the embodiment;

[0022] Figure 3 is the structure schematic view of the gas guide assembly in the embodiment;

[0023] Figure 4 is the structure schematic view of the gas guide assembly in the embodiment;

[0024] Figure 5 is the structure schematic view of the secondary filter assembly in the embodiment;

[0025] Figure 6 is the structure schematic view of the primary filter assembly in the embodiment.

[0026] In the drawing, 1, the capture assembly; 2, the gas guide assembly; 3, the secondary filter assembly; 4, the primary filter assembly; 101, the shell; 102, the adsorption type filter screen; 103, the gas inlet; 104, the gas outlet; 105, the blowdown opening; 106, the adsorption water cylinder; 201, the connecting barrel; 202, the inclined gas guide piece; 301, the conical barrel; 302, the fixed ring; 303, the conical adsorption cotton; 401, the microporous filter barrel; 402, the adsorption filter cotton; 403, the conical check piece. DETAILED DESCRIPTION

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

[0028] Wherein the same parts are denoted by the same reference signs. It should be noted that the words "front", "back", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the words "bottom" and "top", "inner" and "outer" refer to the directions towards or away from the geometric center of a particular component, respectively.

[0029] Referring to Figures 1-6 As shown in the preferred embodiment of the application, a tail gas capturing device for bentonite preparation, comprising:

[0030] The capturing assembly 1 comprises a shell 101, the inside of which is fixedly connected with an adsorption filter screen 102, the lower part of the adsorption filter screen 102 is provided with an adsorption water cylinder 106, the bottom end of the adsorption water cylinder 106 is fixedly connected with a blowdown port 105, the end of the blowdown port 105 away from the adsorption water cylinder 106 penetrates through the right wall of the lower end of the shell 101; the gas guiding assembly 2 comprises a connecting cylinder 201, the outer wall of the connecting cylinder 201 is rotatably connected with an inclined gas guiding sheet 202, the inclined gas guiding sheet 202 is located at the top end of the adsorption filter screen 102, and the inclined gas guiding sheet 202 is adapted to the adsorption filter screen 102; the secondary filtering assembly 3 comprises a conical barrel 301 fixedly installed at the bottom end of the connecting cylinder 201, the inside of the conical barrel 301 is fixedly connected with a fixed ring 302, and the inside of the fixed ring 302 is fixedly connected with three stacked conical adsorption cottons 303; the primary filtering assembly 4 comprises an adsorption filter cotton 402 fixedly installed at the bottom end of the conical barrel 301, the bottom end of the adsorption filter cotton 402 is fixedly connected with a conical check sheet 403, the outer wall of the adsorption filter cotton 402 is fixedly connected with a microporous filter barrel 401, the conical check sheet 403 is located below the adsorption filter screen 102 and is fixedly connected with the inner wall of the shell 101, and the conical check sheet 403 is adapted to the adsorption water cylinder 106;

[0031] After the tail gas enters the inside of the shell 101, it first enters the adsorption filter screen 102 through the inclined gas guiding sheet 202, in the process, the airflow will impact the inclined gas guiding sheet 202 to make it rotate, so that the gas flow direction changes, so that the tail gas can more fully contact the adsorption filter screen 102, improving the filtering effect, the adsorption filter screen 102 can adsorb the oil in the tail gas, the particulate impurities contained in the tail gas will fall into the adsorption water cylinder 106 and precipitate in the water, the accumulated impurities and sewage in the adsorption water cylinder 106 can be subsequently discharged, the subsequent gas passes through the microporous filter barrel 401 and the adsorption filter cotton 402 into the conical barrel 301, the microporous filter barrel 401 and the adsorption filter cotton 402 adsorb the tail gas, and the three stacked conical adsorption cottons 303 adsorb it again, and finally the tail gas enters the connecting cylinder 201 and is then discharged.

[0032] The right wall of the upper end of the shell 101 is fixedly connected with an air outlet 104, one end of the air outlet 104 extends to the inside of the shell 101 through the outer wall of the shell 101 and is fixedly connected with the top end of the connecting cylinder 201;

[0033] The treated tail gas is discharged through the air outlet 104.

[0034] The upper end of the shell 101 and the left rear of the shell 101 are fixedly connected with an air inlet 103, one end of the air inlet 103 extends to the inside of the shell 101 through the outer wall of the shell 101;

[0035] The air inlet 103 is the entrance for the tail gas to enter the equipment, and the tail gas enters the inside of the shell 101 from the air inlet 103 to start the subsequent filtering treatment.

[0036] The outer wall of the connecting cylinder 201 is fixedly connected with a circular ring.

[0037] The inclined air guide piece 202 includes a sleeve ring, the inner wall of the sleeve ring is provided with a groove matched with the circular ring, and the groove is in sliding connection with the circular ring;

[0038] The circular ring is in sliding connection with the groove in the inner wall of the sleeve ring of the inclined air guide piece 202, which provides support and positioning for the rotation of the inclined air guide piece 202, so that the inclined air guide piece 202 can stably rotate to guide the air.

[0039] The outer end of the sleeve ring is fixedly connected with a plurality of inclined pieces;

[0040] The groove in the inner wall of the sleeve ring is in sliding connection with the circular ring, so that the sleeve ring can rotate around the connecting cylinder 202, and the plurality of inclined pieces at the outer end rotate under the impact of the tail gas to realize the air guiding function.

[0041] The three conical adsorbing cottons 303 are arranged from large to small in the opening from bottom to top;

[0042] The three conical adsorbing cottons 303 arranged from large to small in the opening from bottom to top can gradually reduce the passage when the tail gas passes through, increase the contact area and time of the tail gas and the adsorbing cotton, and thus more effectively adsorb the impurities and harmful substances in the tail gas.

[0043] Specific implementation process: first, the tail gas from the upper end of the shell 101 left rear air inlet 103 into the device inside, into the tail gas will directly impact to the inclined air guide piece 202 of the connecting cylinder 201 outer wall in air guide assembly 2, because the inclined air guide piece 202 of the sleeve ring inner wall groove and connecting cylinder 201 outer wall of the ring sliding connection, the impact force of the tail gas will make the sleeve ring outer end of the plurality of inclined plate rotation, thereby changing the flow direction of the tail gas, so that the tail gas more fully contacts the adsorption type filter screen 102 located below; in the process of contacting with the adsorption type filter screen 102, the adsorption type filter screen 102 can effectively adsorb the oily component in the tail gas, at the same time, the particulate impurities contained in the tail gas, under the action of gravity, will fall into the adsorption water cylinder 106, and deposit in water, when the adsorption water cylinder 106 accumulates a certain amount of impurities and sewage, can be discharged through opening the sewage outlet 105; the tail gas after preliminary filtration of the adsorption type filter screen 102, will first pass through the microporous filter barrel 401 in the primary filter assembly 4, the microporous filter barrel 401 can intercept and filter some fine particles in the tail gas, then, the tail gas passes through the adsorption filter cotton 402, the adsorption filter cotton 402 further adsorbs harmful substances and odors in the tail gas; then, the tail gas enters the conical barrel 301 of the secondary filter assembly 3, because of the existence of three conical adsorption cotton 303 connected with the fixed ring 302 in the conical barrel 301, the opening from bottom to top gradually from large to small, the channel gradually narrows when the tail gas passes through, which increases the contact area and time of the tail gas and the adsorption cotton, so as to more effectively adsorb the impurities and harmful substances remaining in the tail gas; finally, the tail gas after multistage filtration enters the connecting cylinder 201, and is discharged through the air outlet 104 fixedly connected with the top end of the connecting cylinder 201, completing the whole process of tail gas capture and filtration.

[0044] The basic principle and main features of the present application are shown and described above, and the advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A tail gas capture apparatus for the production of bentonite, characterized by: The application relates to a filter. The filter comprises a capturing assembly (1), a gas guiding assembly (2), a secondary filtering assembly (3) and a primary filtering assembly (4). The capturing assembly (1) comprises a shell (101), the inside of the shell (101) is fixedly connected with an adsorption filter screen (102), the lower portion of the adsorption filter screen (102) is provided with an adsorption water cylinder (106), the bottom end of the adsorption water cylinder (106) is fixedly connected with a sewage outlet (105), and the sewage outlet (105) penetrates through the right wall of the lower end of the shell (101) and is away from the adsorption water cylinder (106). The gas guiding assembly (2) comprises a connecting cylinder (201), the outer wall of the connecting cylinder (201) is rotationally connected with an inclined gas guiding piece (202), the inclined gas guiding piece (202) is located at the top end of the adsorption filter screen (102), and the inclined gas guiding piece (202) is matched with the adsorption filter screen (102). The secondary filtering assembly (3) comprises a conical barrel (301) fixedly installed at the bottom end of the connecting cylinder (201), the inside of the conical barrel (301) is fixedly connected with a fixed ring (302), and the inside of the fixed ring (302) is fixedly connected with three stacked conical adsorption cots (303).

2. A tail gas capture apparatus for the preparation of bentonite according to claim 1, characterized in that: The primary filtering assembly (4) comprises an adsorption filter cotton (402) fixedly installed at the bottom end of the conical barrel (301), the bottom end of the adsorption filter cotton (402) is fixedly connected with a conical check piece (403), the outer wall of the adsorption filter cotton (402) is fixedly connected with a microporous filter barrel (401), the conical check piece (403) is located below the adsorption filter screen (102) and is fixedly connected with the inner wall of the shell (101), and the conical check piece (403) is matched with the adsorption water cylinder (106).

3. A tail gas capture apparatus for the preparation of bentonite according to claim 1, characterized in that: The right wall of the upper end of the shell (101) is fixedly connected with an air outlet (104), one end of the air outlet (104) penetrates through the outer wall of the shell (101) and extends to the inside of the shell (101) and is fixedly connected with the top end of the connecting cylinder (201).

4. A tail gas capture apparatus for the preparation of bentonite according to claim 2, characterized in that: The upper end of the shell (101) and the left rear portion of the shell (101) are fixedly connected with an air inlet (103), one end of the air inlet (103) penetrates through the outer wall of the shell (101) and extends to the inside of the shell (101).

5. A tail gas capture apparatus for the preparation of bentonite according to claim 1, characterized in that: The outer wall of the connecting cylinder (201) is fixedly connected with a circular ring.

6. A tail gas capture apparatus for the preparation of bentonite according to claim 5, characterized in that: The inclined gas guiding piece (202) comprises a sleeve ring, the inner wall of the sleeve ring is provided with a groove matched with the circular ring, and the groove is slidingly connected with the circular ring.

7. A tail gas capture apparatus for the preparation of bentonite according to claim 3, characterized in that: The outer end of the sleeve ring is fixedly connected with a plurality of inclined pieces. The three conical adsorption cots (303) are sequentially arranged from bottom to top.

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