CN211562397U

CN211562397U - Storage tank waste gas purification device

Info

Publication number: CN211562397U
Application number: CN201922493549.XU
Authority: CN
Inventors: 李孟琦; 李家滨; 黄震; 刘兴新; 李明春
Original assignee: Jinan Dongfang Taiwei Mechanical Equipment Co ltd
Current assignee: Jinan Dongfang Taiwei Mechanical Equipment Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-25
Anticipated expiration: 2029-12-31

Abstract

The utility model relates to a storage tank waste gas purification device belongs to waste gas purification's technical field, the loach carrying platform comprises a supporting fram, vertical fixedly connected with casing on the support frame, the casing is cylindric, axial sliding connection has tertiary filtration structure in the casing, the intussuseption of tertiary filtration structure is filled with the active carbon, tertiary filtration structure is contradicted in shells inner wall, the cyclic annular lug of fixedly connected with in the casing, tertiary filtration structure lower extreme is contradicted in cyclic annular lug, the gas outlet has been seted up to the casing upper end, casing lower extreme fixedly connected with intake pipe, the intake pipe is kept away from casing one end and is connected in the storage. The utility model discloses have the effect that can very easily take out tertiary filter equipment from the casing.

Description

Storage tank waste gas purification device

Technical Field

The utility model belongs to the technical field of exhaust-gas purification's technique and specifically relates to a storage tank exhaust gas purification device is related to.

Background

At present, chemical enterprises in petrochemical industry, coal chemical industry and the like are provided with a plurality of storage tanks for production, and organic solvents in the storage tanks cause a large amount of unorganized volatilization loss due to the volatility of the organic solvents. According to different substances stored in the storage tank, the generated pollutants are different, mainly comprise benzene series, organic chloride, organic ketone, amine, alcohol, ether, ester, petroleum hydrocarbon compounds and other pollutants, and have great influence on the quality of the atmospheric environment and the health of human bodies.

The utility model discloses a utility model patent that the publication number of current 2018 year 12 month 25 day grant bulletin is CN208275208U discloses an active carbon exhaust gas purification device, including the base, vertical fixedly connected with casing on the base, first active carbon layer of fixedly connected with, second active carbon layer and third active carbon layer in the casing, the waste gas import has been seted up to the terminal surface under the casing, and the waste gas export has been seted up to the casing up end. Waste gas in the storage tank enters the shell from the waste gas inlet, the waste gas is purified through the first activated carbon layer, the second activated carbon layer and the third activated carbon layer, and the purified waste gas is discharged into the air through the waste gas outlet.

The above prior art solutions have the following drawbacks: first activated carbon layer, second activated carbon layer and third activated carbon layer fixed connection are in the casing, and the activated carbon layer need take out after absorbing waste gas for a long time to handle or change and just can maintain adsorption performance, and fixed connection leads to the activated carbon layer can't take out.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a storage tank exhaust purification device. The three-stage filtering structure is designed to be connected in the shell in a sliding manner, and the three-stage filtering device can be easily taken out from the shell when the three-stage filtering structure needs to be replaced.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a storage tank exhaust gas purification device, includes the casing, the casing is cylindric, axially sliding is connected with tertiary filtration in the casing, the intussuseption of tertiary filtration is filled with the active carbon, tertiary filtration contradicts in shells inner wall, the cyclic annular lug of fixedly connected with in the casing, tertiary filtration lower extreme is contradicted in cyclic annular lug, the gas outlet has been seted up to the casing upper end, casing lower extreme fixedly connected with intake pipe, the intake pipe is kept away from casing one end and is connected in the storage tank.

Through adopting above-mentioned technical scheme, storage tank waste gas gets into the casing through the intake pipe, and waste gas after tertiary filtration purifies is discharged from the gas outlet, and after tertiary filtration used a period, can take out tertiary filtration from the gas outlet to handle or change the active carbon, it is very convenient to operate.

The present invention may be further configured in a preferred embodiment as: one end of the air inlet pipe, which is far away from the shell, is connected with the storage tank through a flange.

Through adopting above-mentioned technical scheme, strengthen the connection leakproofness between storage tank and the intake pipe through flange joint, prevent that waste gas from overflowing from the connector.

The present invention may be further configured in a preferred embodiment as: the three-stage filtering structure comprises a first filtering mechanism, the first filtering mechanism comprises a first shell, the first shell is in a round cake shape, vent holes are formed in the upper end and the lower end of the first shell, two filtering nets are arranged in the first shell, activated carbon is filled between the filtering nets, the particle diameter of the activated carbon is smaller than the diameter of the vent holes, and the particle diameter of the activated carbon is larger than the mesh diameter of the filtering nets.

Through adopting above-mentioned technical scheme, the waste gas that gets into in the casing gets into the activated carbon layer in the first shell from the air vent to the realization is to the first order filtration of waste gas, and the filter screen can prevent that activated carbon from spilling from the air vent. The present invention may be further configured in a preferred embodiment as: the third-level filtering structure comprises a second filtering mechanism, the second filtering mechanism is located above the first filtering mechanism, the second filtering mechanism comprises a second shell, a plurality of air holes are formed in the upper end face and the lower end face of the second shell, two annular filtering nets are arranged in the second shell, activated carbon is filled between the filtering nets, and the particle size of the activated carbon in the second shell is smaller than that of the activated carbon in the first shell and is larger than the mesh diameter of the filtering nets.

Through adopting above-mentioned technical scheme, the waste gas that filters through first filter mechanism gets into the active carbon layer in the second shell from the air vent to the realization is to the second grade filtration of waste gas.

The present invention may be further configured in a preferred embodiment as: the third-level filtering structure comprises a third filtering mechanism, the third filtering mechanism is located above the second filtering mechanism, the third filtering mechanism comprises a third shell, a plurality of air vents are formed in the upper end face and the lower end face of the third shell, two annular filtering nets are arranged in the third shell, activated carbon is filled between the filtering nets, and the particle size of the activated carbon in the third shell is smaller than that of the activated carbon in the second shell and is larger than the mesh diameter of the filtering nets.

Through adopting above-mentioned technical scheme, the waste gas that filters through the second filtering mechanism gets into the active carbon layer in the third shell from the air vent to the realization is to the tertiary filtration of waste gas.

The present invention may be further configured in a preferred embodiment as: the first shell is characterized in that a first threaded hole is axially formed in the circle center position of the first shell, a threaded rod is rotationally connected in the first threaded hole, a second threaded hole is axially formed in the circle center position of the second shell, the threaded rod is rotationally connected in the second threaded hole, a third threaded hole is axially formed in the circle center position of the third shell, and the threaded rod is rotationally connected in the third threaded hole.

Through adopting above-mentioned technical scheme, first filtering mechanism, second filtering mechanism and third filtering mechanism link together through the threaded rod, conveniently disassemble tertiary filtration to conveniently handle or change.

The present invention may be further configured in a preferred embodiment as: the casing up end axial fixedly connected with first bracing piece, the casing upper end is provided with the protective cover, the terminal surface is contradicted in first bracing piece up end under the protective cover.

Through adopting above-mentioned technical scheme, can effectively reduce dust and the rainwater that falls into in the casing through the protective cover to extension device life.

The present invention may be further configured in a preferred embodiment as: the end face axial fixedly connected with second bracing piece under the protective cover, affiliated second bracing piece rotates to be connected in the casing up end.

Through adopting above-mentioned technical scheme, the second bracing piece rotates to be connected in the casing up end to drive the protective cover and rotate, conveniently take out simple operation convenience with tertiary filtration structure in from the casing.

The present invention may be further configured in a preferred embodiment as: the protective cover is conical design, terminal surface diameter is greater than the casing diameter under the protective cover.

Through adopting above-mentioned technical scheme, the conical design of protective cover makes the rainwater can't accumulate on the protective cover, and the terminal surface diameter is greater than the casing diameter under the protective cover can effectively reduce the rainwater that falls into in the casing.

The present invention may be further configured in a preferred embodiment as: the first shell, the second shell and the third shell are fixedly connected with rubber pads, and the rubber pads are abutted to the inner wall of the shell.

Through adopting above-mentioned technical scheme, the rubber pad is contradicted with shells inner wall to increase the sealing performance between tertiary filtration and the casing, effectively reduce waste gas and pass from the joint gap of tertiary filtration and casing.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the waste gas of the storage tank enters the shell through the gas inlet pipe, the waste gas purified by the three-stage filtering structure is discharged from the gas outlet, and after the three-stage filtering structure is used for a period of time, the three-stage filtering structure can be taken out from the gas outlet, so that the activated carbon is treated or replaced, and the operation is very convenient;

2. the second support rod is rotatably connected to the upper end face of the shell, so that the protective cover is driven to rotate, the three-stage filtering structure is conveniently taken out of the shell, and the operation is simple and convenient;

3. the rubber pad is contradicted with shells inner wall to increase the sealing performance between tertiary filtration and the casing, effectively reduce waste gas and pass from the joint gap of tertiary filtration and casing

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a schematic diagram of a three-stage filtration structure according to the present embodiment;

FIG. 3 is a sectional view of a three-stage filter structure according to the present embodiment;

fig. 4 is an exploded view of the protective cover and the housing according to the present embodiment.

Reference numeral, 110, a first support bar; 120. a housing; 130. an air inlet pipe; 140. an air outlet; 150. a bump; 200. a three-stage filtering structure; 210. a first filter mechanism; 211. a first housing; 212. a first threaded hole; 213. a filter screen; 214. a rubber pad; 215. a vent hole; 220. a second filter mechanism; 221. a second housing; 222. a second threaded hole; 230. a third filtering mechanism; 231. a third housing; 232. a third threaded hole; 240. a threaded rod; 310. a protective cover; 320. a second support bar.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a storage tank waste gas purification device, including cylindrical shell 120, axial sliding connection has tertiary filtration 200 in the shell 120, and terminal surface fixedly connected with intake pipe 130 under the shell 120, intake pipe 130 other end flange joint are on the storage tank, and gas outlet 140 has been seted up to shell 120 up end, and shell 120 up end rotates and is connected with protective cover 310. Waste gas in the storage tank enters the shell 120 through the air inlet pipe 130, and the waste gas filtered by the three-stage filtering structure 200 is discharged from the air outlet 140.

Referring to fig. 2, the three-stage filtering structure 200 includes a first cake-shaped filtering mechanism 210 axially slidably connected in the casing 120, a first threaded hole 212 is axially formed in a circle center position of the first filtering mechanism 210, a threaded rod 240 is rotatably connected in the first threaded hole 212, a second filtering mechanism 220 and a third filtering mechanism 230 are rotatably connected to the threaded rod 240, the second filtering mechanism 220 is located above the first filtering mechanism 210, and the third filtering mechanism 230 is located above the second filtering mechanism 220.

Referring to fig. 2, the inner wall of the housing 120 is fixedly connected with an annular protrusion 150, and the lower end surface of the first filter mechanism 210 abuts against the protrusion 150.

Referring to fig. 2 and 3, the first filtering mechanism 210 includes a first housing 211, the upper and lower end surfaces of the first housing 211 are both provided with a vent hole 215, two filter screens 213 are arranged in the first housing 211, and activated carbon is filled between the two filter screens 213. The sidewall of the first housing 211 is fixedly connected with a rubber pad 214, and the rubber pad 214 abuts against the inner wall of the casing 120. The particle diameter of the activated carbon is smaller than the diameter of the vent hole 215 and larger than the diameter of the mesh of the filter screen 213. Referring to fig. 2 and 3, the second filtering mechanism 220 includes a second housing 221, the upper and lower end surfaces of the second housing 221 are both provided with vent holes 215, two filter screens 213 are disposed in the second housing 221, and activated carbon is filled between the two filter screens 213. The second filtering mechanism 220 is shaped like a round cake, a second threaded hole 222 is axially formed in the center of the second filtering mechanism 220, and the threaded rod 240 is rotatably connected in the second threaded hole 222. The sidewall of the second casing 221 is fixedly connected with a rubber pad 214, and the rubber pad 214 abuts against the inner wall of the housing 120. The particle size of the activated carbon is smaller than the diameter of the vent hole 215 and larger than the diameter of the mesh of the filter screen 213, and the particle size of the activated carbon in the second shell 221 is smaller than that of the activated carbon in the first shell 211.

Referring to fig. 2 and 3, the third filtering mechanism 230 includes a third housing 231, the upper and lower end surfaces of the third housing 231 are both provided with vent holes 215, two filter screens 213 are disposed in the third housing 231, and activated carbon is filled between the two filter screens 213. The third filtering mechanism 230 is shaped like a round cake, a third threaded hole 232 is axially formed in the center of the third filtering mechanism 230, and the threaded rod 240 is rotatably connected in the third threaded hole 232. The sidewall of the third shell 231 is fixedly connected with a rubber pad 214, and the rubber pad 214 abuts against the inner wall of the housing 120. The particle size of the activated carbon is smaller than the diameter of the vent hole 215 and larger than the diameter of the mesh of the filter screen 213, and the particle size of the activated carbon in the third shell 231 is smaller than that in the second shell 221.

Referring to fig. 4, the protecting cover 310 is conical, and the diameter of the lower end surface of the protecting cover 310 is larger than that of the housing 120. Referring to fig. 4, the first support bar 110 is axially and fixedly connected to the upper end surface of the housing 120, the lower end surface of the protective cover 310 abuts against the first support bar 110, the lower end surface of the protective cover 310 is axially and fixedly connected to the second support bar 320, and the second support bar 320 is rotatably connected to the upper end surface of the housing 120.

The implementation principle of the embodiment is as follows: the air inlet pipe 130 is connected with the storage tank flange, the storage tank waste gas enters the shell 120 through the air inlet pipe 130, the storage tank waste gas enters the second filtering mechanism 220 through the first filtering mechanism 210, the waste gas filtered by the second filtering mechanism 220 enters the third filtering mechanism 230, and the waste gas filtered by the third filtering mechanism 230 enters the air through the air outlet 140.

When the three-stage filtering device needs to be treated or replaced, the gas outlet 140 is completely leaked when the protective cover 310 is rotated, the three-stage filtering structure 200 is taken out of the shell 120 by the upper end of the clamping threaded rod 240, the first filtering mechanism 210, the second filtering mechanism 220 and the third filtering mechanism 230 are rotated to be taken down from the threaded rod 240, after the activated carbon is treated, the first filtering mechanism 210, the second filtering mechanism 220 and the third filtering mechanism 230 are installed on the threaded rod 240 again, the three-stage filtering structure 200 is placed into the shell 120 by the upper end of the clamping threaded rod 240, the first filtering mechanism 210 is abutted to the lug 150, the three-stage filtering structure 200 is installed, and the protective cover 310 is rotated to shield the upper side of the gas inlet.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a storage tank exhaust gas purification device which characterized in that: including casing (120), casing (120) are cylindric, axial sliding connection has tertiary filtration (200) in casing (120), tertiary filtration (200) intussuseption is filled with the active carbon, tertiary filtration (200) are contradicted in casing (120) inner wall, casing (120) interior fixedly connected with cyclic annular lug (150), contradict in cyclic annular lug (150) tertiary filtration (200) lower extreme, gas outlet (140) have been seted up to casing (120) upper end, casing (120) lower extreme fixedly connected with intake pipe (130), casing (120) one end is kept away from in intake pipe (130) and is connected in the storage tank.

2. The tank off-gas purification device according to claim 1, characterized in that: one end of the air inlet pipe (130) far away from the shell (120) is connected with the storage tank through a flange.

3. The tank off-gas purification apparatus as recited in claim 2, wherein: tertiary filtration (200) includes first filter mechanism (210), first filter mechanism (210) include first shell (211), and first shell (211) are the cake shape, air vent (215) have been seted up at both ends about first shell (211), be provided with two filter screens (213) in first shell (211), two it has active carbon to fill between filter screen (213), the active carbon particle diameter is less than air vent (215) diameter, the active carbon particle diameter is greater than filter screen (213) mesh diameter.

4. The tank off-gas purification apparatus as recited in claim 3, wherein: tertiary filtration (200) includes second filter mechanism (220), second filter mechanism (220) are located first filter mechanism (210) top, second filter mechanism (220) include second shell (221), a plurality of air vents (215) have been seted up to both ends face about second shell (221), be provided with two ring filter (213) in second shell (221), two it has active carbon to fill between filter screen (213), active carbon particle diameter just is greater than filter screen (213) mesh diameter in being less than first shell (211) in the second shell (221) in the active carbon particle diameter.

5. The tank off-gas purification apparatus as recited in claim 4, wherein: tertiary filtration (200) includes third filter mechanism (230), third filter mechanism (230) are located second filter mechanism (220) top, third filter mechanism (230) include third shell (231), a plurality of air vents (215) have been seted up to both ends face about third shell (231), be provided with two ring filter net (213) in third shell (231), two it has active carbon to fill between filter net (213), active carbon particle diameter just is greater than filter net (213) mesh diameter in being less than second shell (221) in the third shell (231).

6. The tank off-gas purification apparatus as recited in claim 5, wherein: first screw hole (212) has been seted up to first shell (211) centre of a circle position axial, first screw hole (212) internal rotation is connected with threaded rod (240), second screw hole (222) has been seted up to second shell (221) centre of a circle position axial, threaded rod (240) rotate to be connected in second screw hole (222), third screw hole (232) have been seted up to third shell (231) centre of a circle position axial, threaded rod (240) rotate to be connected in third screw hole (232).

7. The apparatus for purifying storage tank off-gas according to claim 6, characterized in that: the axial fixedly connected with first bracing piece (110) of casing (120) up end, casing (120) upper end is provided with protective cover (310), the terminal surface is contradicted in first bracing piece (110) up end under protective cover (310).

8. The apparatus for purifying storage tank off-gas according to claim 7, characterized in that: the lower end face of the protective cover (310) is axially and fixedly connected with a second supporting rod (320), and the second supporting rod (320) is rotatably connected to the upper end face of the shell (120).

9. The tank off-gas purification device according to claim 8, wherein: the protective cover (310) is designed to be conical, and the diameter of the lower end face of the protective cover (310) is larger than that of the shell (120).

10. The tank off-gas purification device according to claim 9, characterized in that: the side walls of the first shell (211), the second shell (221) and the third shell (231) are fixedly connected with rubber pads (214), and the rubber pads (214) are abutted to the inner wall of the shell (120).