CN115430232A

CN115430232A - Front gas filtering device for gas analysis system

Info

Publication number: CN115430232A
Application number: CN202110616569.0A
Authority: CN
Inventors: 周立明
Original assignee: Chongqing Yisen Power Environment Technology Co ltd
Current assignee: Chongqing Yisen Power Environment Technology Co ltd
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2022-12-06
Anticipated expiration: 2041-06-02
Also published as: CN115430232B

Abstract

The invention discloses a preposed gas filtering device for a gas analysis system, and relates to the field of gas analysis systems; the preposed gas filtering device comprises an air inlet box, wherein a treatment box is fixed at the bottom of the air inlet box; a front filtering component is arranged in the air inlet box; a post-filtering component is arranged in the treatment cavity; a scraping component matched with the post-filtering component is arranged in the treatment box; the treatment box is also internally provided with a spraying assembly. The filter component and the back filter component can play twice filtering effect on gas through setting, and have very good synergism between preceding filter component and the back filter component, can drive the back filter component and move about when scraping first filter screen clearly, and back filter component scrapes the second filter screen clearly through scraping the subassembly again at the in-process of activity, has improved the anti-clogging ability of first filter screen and second filter screen effectively.

Description

Preposed gas filtering device for gas analysis system

Technical Field

The invention relates to the field of gas analysis systems, in particular to a preposed gas filtering device for a gas analysis system.

Background

The gas analysis system is also called a gas complete analysis system, people often need to analyze gas components such as oxygen content, trace water content, carbon dioxide content, methane content, hydrogen content and the like, but in the industries such as chemical industry, metallurgy, electronics, electric power and the like, the gas is very complex, the gas has the conditions of high temperature, high pressure, normal pressure, negative pressure and the like, and the gas also has the influence of matters such as acid gas, moisture, polymerization reaction, heavy oil, particles and the like, and if the gas analysis instrument is directly used for measurement, the gas analysis instrument can be damaged by the conditions.

Before gas is analyzed, the preposed gas needs to be filtered to remove impurities in the gas, the gas is filtered through a filter screen in the conventional filtering mode, and meanwhile, the effect of graded filtering is realized by arranging a plurality of filter screens. However, the filter screen among the prior art is mostly fixed, not only makes filterable effect relatively poor, scrapes the effect relatively poor to the clear of filter screen in filtering process moreover for holistic filter effect is also relatively poor, and the dust that fails to clear away on filter screen surface can cause the jam to the filter screen, is showing the life who reduces the filter screen.

Disclosure of Invention

The present invention aims to solve the above problems by providing a pre-gas filtration device for a gas analysis system.

In order to achieve the purpose, the invention provides the following technical scheme:

a preposed gas filtering device for a gas analysis system comprises an air inlet box, wherein a treatment box is fixed at the bottom of the air inlet box, an air inlet is arranged on the air inlet box, the air inlet box is communicated with the treatment box through a guide pipe, and an air outlet pipe is arranged on one side of the treatment box; a front filtering assembly is arranged in the air inlet box, a fixed plate is fixed in the treatment box, a treatment cavity is arranged above the fixed plate, and a water collecting tank is fixed below the fixed plate; a post-filtering component is arranged in the treatment cavity; a scraping component matched with the rear filtering component is arranged in the treatment box; a spraying component is also arranged in the treatment box; the treatment box is also internally provided with a control assembly matched with the spraying assembly for use.

On the basis of the technical scheme, the invention also provides the following optional technical scheme:

furthermore, the front filter assembly comprises a first filter screen movably arranged in the air inlet box, and two ends of the first filter screen are movably connected with a first guide rod arranged in the air inlet box; the top of first filter screen rotates and is equipped with the threaded rod, and threaded connection has the removal seat on the threaded rod, rotates on the removal seat and is equipped with the cam, is fixed with the brush hair on the cam, and the threaded rod is connected with drive assembly.

Further, drive assembly includes the motor, and the output of motor passes through the hold-in range and is connected with the threaded rod.

Further, back filtering component is including the activity setting at the inlet box and handle the first connecting rod between the case, and the top of first connecting rod is fixed with the backing plate, through first spring coupling between backing plate and the inlet box bottom, and the bottom of first connecting rod is fixed with the lagging, and the bottom of lagging is fixed with first articulated seat, and first articulated seat is articulated with the one end of backup pad, and the other end of backup pad is articulated with the articulated seat of second of fixing on the slide, is equipped with the second filter screen in the backup pad, and the slide slides and sets up on the slide.

Furthermore, the scraping assembly comprises a bracket fixed on the fixing plate, a second connecting rod is movably arranged on the bracket, and the top end of the second connecting rod is fixedly connected with the first hinge seat; a first fixing sleeve is fixed on the second connecting rod, auxiliary rods are fixed at two ends of the first fixing sleeve, the auxiliary rods are fixedly connected with a second fixing sleeve fixed on the lifting rod, and the lifting rod is arranged on the sliding sleeve in a sliding mode.

Further, strike off the subassembly and still include the third fixed sleeving of fixing on the lifter, third fixed sleeving's one end and first telescopic link fixed connection still are connected with the third spring between first telescopic link and the third fixed sleeving, and the third fixed sleeving was kept away from to first telescopic link one end and the brush board is articulated, and brush board and the laminating of second filter screen.

Further, first telescopic link is set up on the second telescopic link, and the second telescopic link is fixed in the top of sliding sleeve, and the second telescopic link passes through the fourth spring and is connected with the sliding sleeve.

Furthermore, the spraying assembly comprises a pump body fixed on the fixing plate, the input end of the pump body is communicated with the water collecting tank, the output end of the pump body is communicated with a water inlet pipe inserted on the sleeve plate through a water delivery pipe, and a spray head is arranged on the water inlet pipe.

Further, the control assembly comprises a matching block fixed to the bottom of the second connecting rod, the matching block is matched with a movable plate movably arranged on the support to be used, a first connecting block is fixed to the bottom of the movable plate, the first connecting block is fixedly connected with one end of a pull rope, and the other end of the pull rope is fixedly connected with a second connecting block fixed to the bottom of the third telescopic rod.

Furthermore, one end of the third telescopic rod is connected with the treatment box through a fifth spring, the other end of the third telescopic rod is fixedly connected with the pressing plate, and the third telescopic rod, the pressing plate and the fifth spring are arranged in the protection box.

Compared with the prior art, the invention has the following beneficial effects: through the structures of the air inlet box and the treatment box, the structure of the air inlet box can be stable, the gas flow rate and the dust concentration of the treatment box are remarkably reduced after the treatment of the air inlet box, the front filter assembly and the rear filter assembly are respectively arranged on the air inlet box and the treatment box, the air can be filtered twice, dust of different types and sizes can be respectively filtered between the front filter assembly and the rear filter assembly, a good synergistic effect is generated, the rear filter assembly can be driven to move while the first filter screen is cleaned, the rear filter assembly can clean and scrape the second filter screen through the scraping assembly in the moving process, the anti-blocking capacity of the first filter screen and the second filter screen is effectively improved, the filter effect is good, the filter screens are cleaned and scraped alternately in the cleaning and filtering process of the filter screens, the device can obtain good filtering effect without shutdown maintenance, and a subsequent gas analysis device cannot be damaged; and conveniently spray the washing through spray assembly to the second filter screen, further improved the filter effect.

Drawings

FIG. 1 is a schematic view of the present invention.

Fig. 2 is a schematic view of a scraper assembly of the present invention.

Fig. 3 is a schematic structural diagram of a control assembly according to the present invention.

FIG. 4 is a schematic view showing the connection between the air inlet tank and the treatment tank in the present invention.

Description of reference numerals:

notations for reference numerals: 01-air inlet box, 02-treatment box, 03-front filter assembly, 04-rear filter assembly, 05-scraping assembly, 06-spraying assembly, 07-control assembly, 11-air inlet, 12-guide pipe, 21-air outlet pipe, 22-fixing plate, 23-water collecting box, 24-treatment cavity, 31-first filter screen, 32-first guide rod, 33-moving seat, 34-cam, 35-brush hair, 36-threaded rod, 37-synchronous belt, 38-motor, 41-first connecting rod, 42-backing plate, 43-first spring, 44-sleeve plate, 45-first hinged seat, 46-support plate, 47-second filter screen, 48-second hinged seat 49-sliding plate, 410-sliding sleeve, 411-second spring, 51-second connecting rod, 52-first fixed sleeve, 53-auxiliary rod, 54-second fixed sleeve, 55-lifting rod, 56-third fixed sleeve, 57-first telescopic rod, 58-brush plate, 59-third spring, 510-second telescopic rod, 511-fourth spring, 512-bracket, 513-matching block, 61-pump body, 62-water pipe, 63-water inlet pipe, 64-spray head, 71-moving plate, 72-first connecting block, 73-pull rope, 74-third telescopic rod, 75-pressing plate, 76-fifth spring, 77-second connecting block and 78-protection box.

Detailed Description

In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.

Example 1

Referring to fig. 1 to 4, in an embodiment of the present invention, a pre-gas filtering apparatus for a gas analysis system includes an air inlet box 01, a processing box 02 is fixed at the bottom of the air inlet box 01, the air inlet box 01 supports the air inlet box 01 through the processing box 02, so as to improve stability of the air inlet box 01, an air inlet 11 is provided on the air inlet box 01, the air is facilitated to enter the air inlet box 01 through the air inlet 11, the air inlet box 01 is communicated with the processing box 02 through a conduit 12, so as to transfer the air into the processing box 02 for processing, an air outlet pipe 21 is provided at one side of the processing box 02, so as to facilitate discharge of the air, which is very simple; the front filtering component 03 is arranged in the air inlet box 01, so that the entering gas can be primarily filtered, and the filtering effect of the gas is effectively improved; a fixed plate 22 is fixed in the treatment tank 02, a treatment cavity 24 is arranged above the fixed plate 22, and a water collection tank 23 is fixed below the fixed plate 22; the rear filtering component 04 is arranged in the processing cavity 24, and the rear filtering component 04 plays a role in secondary filtering of gas, so that the filtering effect of the gas is further improved; the treatment box 02 is internally provided with a scraping component 05 matched with the rear filtering component 04 for use, so that the cleaning is carried out while filtering, and the cleaning is very simple; and meanwhile, a spraying component 06 is arranged in the treatment box 02, and the rear filtering component 04 can be sprayed and cleaned through the spraying component 06.

Furthermore, the front filter assembly 03 comprises a first filter screen 31 movably arranged in the air inlet box 01, two ends of the first filter screen 31 are movably connected with a first guide rod 32 arranged in the air inlet box 01, so that the first filter screen 31 can move in the vertical direction conveniently, and the first filter screen 31 can perform a primary filtering effect on the entering air; a threaded rod 36 is rotatably arranged above the first filter screen 31, namely the threaded rod 36 can rotate in the air inlet box 01, a moving seat 33 is connected to the threaded rod 36 in a threaded manner, the moving seat 33 can be driven to move in the horizontal direction when the threaded rod 36 rotates, a cam 34 is rotatably arranged on the moving seat 33, namely the cam 34 can rotate on the moving seat 33, bristles 35 are fixed on the cam 34, the first filter screen 31 can be driven to reciprocate in the vertical direction when the cam 34 rotates, meanwhile, the cam 34 drives the bristles 35 to rotate in the rotating process, so that the cleaning effect on the first filter screen 31 is achieved, impurities attached to the first filter screen 31 can be effectively removed, the first filter screen 31 is prevented from being blocked by the impurities, and the moving seat 33 can move in the horizontal direction, so that the bristles 35 can also move in the horizontal direction, and further different positions can be conveniently cleaned; the threaded rod 36 is connected with a driving component, and the driving component drives the threaded rod 36 to rotate.

Further, the driving assembly comprises a motor 38, an output end of the motor 38 is connected with the threaded rod 36 through a timing belt 37, when the motor 38 works, the threaded rod 36 rotates to drive the moving seat 33 to move, and the function of adjusting the position of the cam 34 is achieved, which is very simple.

Further, the rear filter assembly 04 comprises a first connecting rod 41 movably arranged between the air inlet box 01 and the treatment box 02, a backing plate 42 is fixed at the top of the first connecting rod 41, the backing plate 42 is connected with the bottom of the air inlet box 01 through a first spring 43, the backing plate 42 can be driven to move downwards when the first filter screen 31 moves downwards, and then the first spring 43 is compressed, so that the rear filter assembly has good buffering capacity, a sleeve plate 44 is fixed at the bottom of the first connecting rod 41, the sleeve plate 44 can be driven to move in the vertical direction when the first connecting rod 41 moves, a first hinge seat 45 is fixed at the bottom of the sleeve plate 44, the first hinge seat 45 is hinged with one end of a support plate 46, the other end of the support plate 46 is hinged with a second hinge seat 48 fixed on a sliding plate 49, a second filter screen 47 is arranged on the support plate 46, and after air enters the treatment box 02, secondary filtration is performed through the second filter screen 47, so that the filtering effect is effectively improved, and the rear filter assembly is very simple; the sliding plate 49 is slidably disposed on the sliding sleeve 410, and when the first hinge seat 45 moves downward, the sliding plate 49 can be driven to slide on the sliding sleeve 410, so as to compress the second spring 411, thereby playing a very good buffering role.

Further, the scraping assembly 05 includes a bracket 512 fixed on the fixing plate 22, a second connecting rod 51 is movably disposed on the bracket 512, a top end of the second connecting rod 51 is fixedly connected with the first hinge seat 45, and when the first hinge seat 45 moves in the vertical direction, the second connecting rod 51 can be driven to move in the vertical direction; a first fixing sleeve 52 is fixed on the second connecting rod 51, auxiliary rods 53 are fixed at both ends of the first fixing sleeve 52, the auxiliary rods 53 are fixedly connected with a second fixing sleeve 54 fixed on a lifting rod 55, the lifting rod 55 is slidably arranged on the sliding sleeve 410, and when the second connecting rod 51 moves in the vertical direction, the lifting rod 55 can be driven to move in the vertical direction.

Further, strike off subassembly 05 still includes the third fixed sleeving 56 of fixing on lifter 55, the one end and the first telescopic link 57 fixed connection of third fixed sleeving 56, still be connected with third spring 59 between first telescopic link 57 and the third fixed sleeving 56, the one end that third fixed sleeving 56 was kept away from to first telescopic link 57 is articulated with brush board 58, brush board 58 and the laminating of second filter screen 47, when second filter screen 47 moved to both sides, can scrape the impurity on second filter screen 47 surface through brush board 58, prevent that impurity from blockking up second filter screen 47, it is very simple.

Further, first telescopic link 57 sets up on second telescopic link 510, and second telescopic link 510 is fixed in the top of sliding sleeve 410, and second telescopic link 510 is connected with sliding sleeve 410 through fourth spring 511, and then has very good buffering and limiting displacement, and then has improved and has scraped the effect clearly.

Further, the spraying assembly 06 comprises a pump body 61 fixed on the fixing plate 22, the input end of the pump body 61 is communicated with the water collecting tank 23, the output end of the pump body 61 is communicated with a water inlet pipe 63 inserted on the sleeve plate 44 through a water delivery pipe 62, a spray head 64 is arranged on the water inlet pipe 63, and then the second filter screen 47 can be sprayed, so that the second filter screen 47 is cleaned, and meanwhile, gas is washed in the spraying process, and the spraying assembly is very simple.

The front filter assembly 03 and the rear filter assembly 04 can perform two-time filtering on gas, and the front filter assembly 03 and the rear filter assembly 04 have good synergistic effect, so that the rear filter assembly 04 can be driven to move while the first filter screen 31 is scraped, and the rear filter assembly 04 can scrape the second filter screen 47 through the scraping assembly 05 in the moving process, so that the anti-blocking capacity of the first filter screen 31 and the second filter screen 47 is effectively improved, and a good filtering effect is achieved; and the second filter screen 47 is conveniently sprayed and cleaned through the spraying assembly 06, so that the filtering effect is further improved.

Example 2

A control component 07 matched with the spraying component 06 is also arranged in the treatment box 02, so that the front filtering component 03 controls the sprayed water amount while filtering, and water resources are effectively saved; the control assembly 07 comprises a matching block 513 fixed at the bottom of the second connecting rod 51, the matching block 513 is matched with a movable plate 71 movably arranged on the support 512 for use, when the matching block 513 moves downwards, the movable plate 71 can be driven to move, a first connecting block 72 is fixed at the bottom of the movable plate 71, the first connecting block 72 is fixedly connected with one end of a pull rope 73, the other end of the pull rope 73 is fixedly connected with a second connecting block 77 fixed at the bottom of a third telescopic rod 74, one end of the third telescopic rod 74 is connected with the treatment box 02 through a fifth spring 76, the other end of the third telescopic rod is fixedly connected with a pressure plate 75, the water conveying pipe 62 can be pressed through the pressure plate 75 to play a role of control, and meanwhile, the third telescopic rod 74, the pressure plate 75 and the fifth spring 76 are arranged in a protection box 78, so that the protection and limiting effects are very good.

The working principle of the invention is as follows: the air enters the air inlet box 01 through the air inlet 11, primary filtration is carried out through the first filter screen 31, the first filter screen 31 reciprocates in the vertical direction through the cam 34 while filtration is carried out, meanwhile, cleaning is carried out through the bristles 35, after filtration through the first filter screen 31, the air enters the treatment box 02 through the guide pipe 12, secondary filtration is carried out through the second filter screen 47, meanwhile, the first filter screen 31 can drive the second filter screen 47 to move in the reciprocating motion process, and impurities on the second filter screen 47 are scraped through the brush plate 58 in the scraping assembly 05; the second filter screen 47 is cleaned through the spraying assembly 06; during the cleaning process, the amount of water sprayed is controlled by the control assembly 07.

The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims

1. A preposed gas filtering device for a gas analysis system comprises an air inlet box (01), wherein a treatment box (02) is fixed at the bottom of the air inlet box (01), an air inlet (11) is arranged on the air inlet box (01), the air inlet box (01) is communicated with the treatment box (02) through a guide pipe (12), and an air outlet pipe (21) is arranged on one side of the treatment box (02), the preposed gas filtering device is characterized in that a prefiltering assembly (03) is arranged in the air inlet box (01), a fixing plate (22) is fixed in the treatment box (02), a treatment cavity (24) is arranged above the fixing plate (22), and a water collecting box (23) is fixed below the fixing plate (22); a post-filtering component (04) is arranged in the processing cavity (24); a scraping component (05) matched with the post-filtering component (04) is arranged in the treatment box (02); a spraying component (06) is also arranged in the treatment box (02); the treatment box (02) is also internally provided with a control component (07) which is matched with the spraying component (06) for use.

2. The pre-gas filtering device for the gas analysis system according to claim 1, wherein the pre-filtering assembly (03) comprises a first filtering net (31) movably arranged in the gas inlet box (01), and two ends of the first filtering net (31) are movably connected with a first guide rod (32) arranged in the gas inlet box (01); a threaded rod (36) is rotatably arranged above the first filter screen (31), a movable seat (33) is connected to the threaded rod (36) in a threaded mode, a cam (34) is rotatably arranged on the movable seat (33), bristles (35) are fixedly arranged on the cam (34), and the threaded rod (36) is connected with a driving assembly.

3. The pre-gas filtration device for a gas analysis system according to claim 2, wherein the drive assembly comprises a motor (38), and an output of the motor (38) is connected to a threaded rod (36) through a timing belt (37).

4. The pre-gas filtering device for the gas analysis system according to claim 1, wherein the post-filtering assembly (04) comprises a first connecting rod (41) movably arranged between the gas inlet box (01) and the treatment box (02), a backing plate (42) is fixed to the top of the first connecting rod (41), the backing plate (42) is connected with the bottom of the gas inlet box (01) through a first spring (43), a sleeve plate (44) is fixed to the bottom of the first connecting rod (41), a first hinged seat (45) is fixed to the bottom of the sleeve plate (44), the first hinged seat (45) is hinged to one end of a supporting plate (46), the other end of the supporting plate (46) is hinged to a second hinged seat (48) fixed to a sliding plate (49), a second filtering net (47) is arranged on the supporting plate (46), and the sliding plate (49) is slidably arranged on the sliding sleeve (410).

5. The pre-gas filtering device for the gas analysis system according to claim 4, wherein the scraping assembly (05) comprises a bracket (512) fixed on the fixing plate (22), a second connecting rod (51) is movably arranged on the bracket (512), and the top end of the second connecting rod (51) is fixedly connected with the first hinge seat (45); a first fixing sleeve (52) is fixed on the second connecting rod (51), auxiliary rods (53) are fixed at two ends of the first fixing sleeve (52), the auxiliary rods (53) are fixedly connected with a second fixing sleeve (54) fixed on a lifting rod (55), and the lifting rod (55) is arranged on the sliding sleeve (410) in a sliding manner.

6. The front gas filtering device for the gas analysis system according to claim 5, wherein the scraping assembly (05) further comprises a third fixing sleeve (56) fixed on the lifting rod (55), one end of the third fixing sleeve (56) is fixedly connected with the first telescopic rod (57), a third spring (59) is further connected between the first telescopic rod (57) and the third fixing sleeve (56), one end of the first telescopic rod (57) far away from the third fixing sleeve (56) is hinged to the brush plate (58), and the brush plate (58) is attached to the second filter screen (47).

7. The pre-gas filtering device for a gas analysis system according to claim 6, wherein the first telescopic rod (57) is erected on a second telescopic rod (510), the second telescopic rod (510) is fixed above the sliding sleeve (410), and the second telescopic rod (510) is connected with the sliding sleeve (410) through a fourth spring (511).

8. The pre-gas filtering device for the gas analysis system according to claim 4, wherein the spraying assembly (06) comprises a pump body (61) fixed on the fixing plate (22), an input end of the pump body (61) is communicated with the water collecting tank (23), an output end of the pump body (61) is communicated with a water inlet pipe (63) inserted on the sleeve plate (44) through a water conveying pipe (62), and a spray head (64) is arranged on the water inlet pipe (63).

9. The pre-gas filtering device for the gas analysis system according to claim 1, wherein the control assembly (07) comprises a matching block (513) fixed at the bottom of the second connecting rod (51), the matching block (513) is matched with a moving plate (71) movably arranged on a bracket (512) for use, a first connecting block (72) is fixed at the bottom of the moving plate (71), the first connecting block (72) is fixedly connected with one end of a pulling rope (73), and the other end of the pulling rope (73) is fixedly connected with a second connecting block (77) fixed at the bottom of a third telescopic rod (74).

10. The pre-gas filtration device for a gas analysis system according to claim 9, wherein the third telescopic rod (74) is connected to the processing box (02) at one end by a fifth spring (76) and is fixedly connected to the pressure plate (75) at the other end, and the third telescopic rod (74), the pressure plate (75) and the fifth spring (76) are arranged in a protective box (78).