CN214862080U - Dust removal and filtration device with automatic ash removal function - Google Patents
Dust removal and filtration device with automatic ash removal function Download PDFInfo
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- CN214862080U CN214862080U CN202120702417.8U CN202120702417U CN214862080U CN 214862080 U CN214862080 U CN 214862080U CN 202120702417 U CN202120702417 U CN 202120702417U CN 214862080 U CN214862080 U CN 214862080U
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Abstract
The utility model provides a take dust removal filter equipment of automatic deashing, its function of taking automatic deashing of a large amount of dusts in can filtering the flue gas can improve the anti deposition jam performance of flue gas sampler and gas collecting pipeline, improves work efficiency. The device comprises an upper cavity assembly and a lower cavity assembly; the upper portion cavity subassembly includes that one side inlet port, one side give vent to anger the interface, upper portion cavity subassembly's central zone is provided with the baffle, the baffle will upper portion cavity subassembly separates and forms first cavity, second cavity, upper portion cavity subassembly's lower terminal plate central zone is provided with dodges the round hole, dodge the round hole intercommunication first cavity, second cavity, it is still including the activity closure plate, the activity closure plate includes first semicircle board, second semicircle board, the radial inboard region of second semicircle board is provided with and runs through the guiding hole, the corresponding straight flange of first semicircle board, second semicircle board is connected and is formed central partition limit and connect and form wholly.
Description
Technical Field
The utility model relates to a filterable technical field of flue gas dust removal specifically is a take dust removal filter equipment of automatic deashing.
Background
Flue gas measurement and component analysis are one of important parameters for reflecting the combustion performance of a boiler of a coal-fired thermal power plant, a flue gas emission continuous monitoring system is installed on an inlet flue and an outlet flue of a denitration device, the oxygen content, the carbon monoxide content and the carbon dioxide content in flue gas components are one of necessary parameters in a denitration performance acceptance test, a boiler thermal efficiency test, an air preheater performance test and the like, and accurate measurement of the flue gas components is very critical to the test results.
Because the flue gas contains a large amount of dust, the sampler and the gas collecting pipeline are easily blocked, the flow of the sampling gas is reduced, and the related pipeline is blocked by the dust in serious conditions, so that the sampling fails. Therefore, in the sampling and measuring process, a dust removal and filtration device must be additionally installed, the traditional simple dust removal and filtration device is filled with cotton or is internally provided with a filter screen, and if data deviation is found to doubt that the dust removal device is blocked, the dust removal device is usually opened manually or compressed air is adopted for back blowing.
The existing dust removal filter device is filled with cotton, fine fibers in the cotton block dust in flue gas, the cotton in the flue gas needs to be replaced for dust removal, the cost is low, and the dust removal effect is general; the existing filter drum dedusting and filtering device is a scheme for solving the problems of difficult collection of ultrafine dust, high filtering air speed and poor deashing effect of the traditional deduster, and airflow blowback is adopted for deashing.
The dust removal device needs to be cleaned for many times in the primary measurement process, and secondary pollution is easily caused by the replaced cotton; the dust content in the flue gas changes, sometimes the dust content in the flue gas is low, but the cotton must be replaced regularly to ensure the test progress, and certain waste is easily caused. The blow-back screen requires an additional supply of compressed air flow.
When the number of the measuring points is large, the original gas collecting pipeline needs to be removed when the cotton is frequently replaced manually or the filter screen is cleaned back by back blowing, a large amount of workload is increased, and the test progress is influenced.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a take dust removal filter equipment of automatic deashing, its function that can filter a large amount of dusts in the flue gas and take automatic deashing can improve the anti deposition blocking performance of flue gas sampler and gas collecting pipeline, improves work efficiency.
The utility model provides a take dust removal filter equipment of automatic deashing which characterized in that: the device comprises an upper cavity assembly and a lower cavity assembly;
the upper cavity assembly comprises a one-side air inlet interface and a one-side air outlet interface, a partition plate is arranged in the central region of the upper cavity assembly and divides the upper cavity assembly into a first cavity and a second cavity, a lower end plate central region of the upper cavity assembly is provided with an avoiding round hole which is communicated with the first cavity and the second cavity, the upper cavity assembly further comprises a movable blocking plate, the movable blocking plate comprises a first semicircular plate and a second semicircular plate, a penetrating guide hole is arranged in the radial inner region of the second semicircular plate, corresponding straight edges of the first semicircular plate and the second semicircular plate are connected to form a central dividing edge and connected to form a whole, the first semicircular plate is positioned on one side of the central dividing edge, the second semicircular plate is positioned on the other side of the central dividing edge, and the outer diameter of the first semicircular plate is smaller than that of the second semicircular plate, the outer diameter of the second semicircular plate is equal to the inner diameter of the avoidance circular hole, the lower part of the lower end plate is provided with a lower convex positioning structure, and the lower surface of the movable blocking plate is fixedly provided with a filter cylinder which is vertically and downwardly arranged;
the lower cavity assembly comprises a cylinder structure, a lower cavity of the cylinder structure is used for placing the filter cartridge, the upper part of the cylinder structure is provided with an opening, the outer diameter of the filter cartridge is smaller than the inner diameter of the lower cavity, the bottom of the cylinder structure is provided with a valve ash discharge port, the lower convex positioning structure is positioned and connected to the outer ring surface of the upper end of the cylinder structure, and the lower end of the filter cartridge is inserted into the lower cavity of the cylinder structure;
the center of the movable blocking plate is inserted with a connecting rod, and the connecting rod penetrates through the center through hole of the partition plate and then protrudes upwards and is connected with a knob.
It is further characterized in that: a plurality of through holes are formed in the radial inner surface of the second semicircular plate and serve as through guide holes;
the second semicircular plate comprises a third through semicircular hole at the radial position and a second semicircular arc plate at the radial outer side;
the lower surface of the movable blocking plate is annularly provided with a filter cartridge sleeve connecting opening ring, and the upper end of the filter cartridge is annularly and fixedly sleeved on the filter cartridge sleeve connecting opening ring, so that the filter cartridge is fast and convenient to mount;
the lower convex positioning structure is a lower convex screw rod or a threaded interface, a locking or locking structure is arranged at the position of the cylinder structure corresponding to the lower convex positioning structure, and the lower convex positioning structure is fixedly arranged and supported on the locking or locking structure;
an annular baffle is arranged on the inner annular wall of the upper part of the cylinder structure, the inner diameter of the annular baffle is smaller than the outer diameter of the first semi-circular plate, the inner diameter of the annular baffle is larger than the outer diameter of the filter cylinder, and the height of the movable blocking plate is higher than that of the annular baffle, so that the normal circulation of smoke is ensured;
the filter cartridge comprises a central cavity and a peripheral cylindrical filter structure, and the surface area of the central cavity covers the corresponding surface area of the through guide hole to ensure reasonable and reliable smoke guide;
the connecting rod is specifically a screw rod, the lower part of the screw rod is fixedly connected with the central position of the movable blocking plate, and the upper part of the screw rod is in threaded connection with a threaded hole of the knob;
preferably, the tube structure is specifically made for colorless transparent organic glass, conveniently observes inside deposition condition.
After the structure is adopted, when the device works, the movable blocking plate is in a state shown in figure 5, smoke enters the first cavity of the dust removal device from the air inlet port, at the moment, the first semicircular plate is arranged under the first cavity, the second semicircular plate is arranged under the second cavity, the smoke is blocked by the partition plate and flows into the periphery of the filter cylinder from a gap between the first semicircular plate and the outer ring wall in opposite directions, then the flow rate of the smoke is reduced by the baffle plate at the corresponding position, the smoke enters the interior from the outside of the filter screen of the detachable filter cylinder through the filter screen to remove dust in the smoke, the dust falls into the cavity of the device, and clean smoke flows into the second cavity from the air outlet port and enters the sampling device from the penetrating guide hole; when the dust removing device is used for removing dust, only the valve dust discharging port is needed to be opened, clean air is sucked in through the air inlet, the knob is rotated for 180 degrees, the rotatable movable blocking plate is also rotated for 180 degrees, at the moment, the working state is as shown in figure 6, the air enters the interior of the filter cylinder through the guide hole from the first cavity, the air enters the cavity of the dust removing device after passing through the filter screen, dust attached to the outer surface of the filter screen is blown down into the cavity by the air to remove dust for the filter screen, the air greatly slows down the flow velocity through the baffles at the two sides, the dust cannot be taken out, all the dust in the cavity is discharged through the valve dust discharging port, the purpose of automatically removing dust is achieved, after the dust in the cavity is discharged, the knob is rotated for 180 degrees, the valve dust discharging port is closed, and the dust removing device is restored to the normal working state again; the dust collector can filter a large amount of dust in flue gas and has an automatic dust cleaning function, the dust accumulation blockage resistance of the flue gas sampler and the gas collecting pipeline can be improved, and the working efficiency is improved.
Drawings
FIG. 1 is a schematic sectional view of the front view of the present invention;
fig. 2 is a top view cross-sectional view of an embodiment of the movable closure of the present invention;
fig. 3 is a top view cross-sectional view of another embodiment of the movable closure of the present invention;
FIG. 4 is a schematic top view of an upper chamber body assembly according to the present invention;
FIG. 5 is a schematic cross-sectional view of the dust removing state of the present invention;
FIG. 6 is a schematic sectional view showing the ash removal state of the present invention;
the names corresponding to the sequence numbers in the figure are as follows:
the device comprises an upper cavity assembly 100, a lower end plate 101, a lower cavity assembly 200, a lower cavity 201, an air inlet interface 1, an upper plate 2, a knob 3, a connecting rod 4, an air outlet interface 5, a movable blocking plate 6, a first semicircular plate 61, a second semicircular plate 62, a through guide hole 63, a central partition edge 64, a third through semicircular hole 65, a second semicircular plate 66, a filter cartridge sleeving interface ring 7, an annular baffle plate 8, a downward convex positioning structure 9, a cylindrical structure 10, a filter cartridge 11, a central cavity 111, a peripheral cylindrical filtering structure 112, a valve ash discharge port 12, a partition plate 13, a first cavity 14, a second cavity 15 and an avoiding circular hole 16.
Detailed Description
A dust removal filter device with automatic ash removal, which is shown in figures 1-6: it comprises an upper chamber body assembly 100 and a lower chamber body assembly 200;
the upper cavity assembly 100 comprises a one-side air inlet interface 1 and a one-side air outlet interface 5, a partition plate 13 is arranged in the central area of the upper cavity assembly 100, the partition plate 13 and the upper plate 2 are of an integral structure, the partition plate 13 divides the upper cavity assembly 100 into a first cavity 14 and a second cavity 15, an avoiding circular hole 16 is arranged in the central area of a lower end plate 101 of the upper cavity assembly 100, the avoiding circular hole 16 is communicated with the first cavity 14 and the second cavity 15, the upper cavity assembly further comprises a movable blocking plate 6, the movable blocking plate 6 comprises a first semicircular plate 61 and a second semicircular plate 62, a through guide hole 63 is arranged in the radial inner area of the second semicircular plate 62, corresponding straight edges of the first semicircular plate 61 and the second semicircular plate 62 are connected to form a central dividing edge 64 and are connected to form an integral body, the first semicircular plate 61 is positioned on one side of the central dividing edge 61, the second semicircular plate 62 is positioned on the other side of the central dividing edge 62, the outer diameter of the first semicircular plate 61 is smaller than that of the second semicircular plate 62, the outer diameter of the second semicircular plate 62 is equal to the inner diameter of the avoidance circular hole 16, the lower part of the lower end plate 101 is provided with a downward convex positioning structure 9, and the lower surface of the movable blocking plate 6 is fixedly provided with a filter cartridge 11 which is vertically arranged downwards;
the lower cavity assembly 200 comprises a cylinder structure 10, a lower cavity 201 of the cylinder structure 10 is used for placing a filter cartridge 11, the upper part of the cylinder structure 10 is open, the outer diameter of the filter cartridge 11 is smaller than the inner diameter of the lower cavity 201, a valve ash discharge port 12 is arranged at the bottom of the cylinder structure 10, a lower convex positioning structure 9 is positioned and connected to the outer annular surface of the upper end of the cylinder structure 10, and the lower end of the filter cartridge 11 is inserted into the lower cavity 201 of the cylinder structure 10;
the connecting rod 4 is inserted in the center of the movable blocking plate 6, penetrates through the center through hole of the partition plate 13, protrudes upwards and is connected with the knob 3;
the lower convex positioning structure 9 is specifically a lower convex screw rod or a threaded interface, a locking or locking structure is arranged at the position of the cylinder structure 10 corresponding to the lower convex positioning structure 9, and the lower convex positioning structure 9 is fixedly installed and supported on the locking or locking structure;
the filter cartridge 11 comprises a central cavity 111 and a peripheral cylindrical filter structure 112, and the surface area of the central cavity 111 is arranged to cover the corresponding surface area penetrating through the guide hole 63, so that reasonable and reliable smoke guide is ensured.
The first embodiment of the movable blocking plate 6 is as follows: the second semicircular plate 62 has a plurality of through holes formed in a radially inner surface thereof, and the through holes serve as through guide holes 63.
The first embodiment of the movable blocking plate 6 is as follows: the second semicircular plate 62 includes a third through semicircular hole 65 at a radial position and a second semicircular plate 66 at a radial outer side.
In the specific implementation: the lower surface of the movable blocking plate 6 is annularly provided with a filter cartridge sleeve connecting opening ring 7, and the upper end of the filter cartridge 11 is annularly and fixedly sleeved on the filter cartridge sleeve connecting opening ring 7, so that the filter cartridge 11 is quickly and conveniently installed;
the lower convex positioning structure 9 is a lower convex screw rod, a threaded sleeve is arranged at the position of the cylinder structure 10 corresponding to the lower convex positioning structure 9, and the lower convex positioning structure 9 is fixedly inserted with the threaded sleeve;
an annular baffle 8 is arranged on the inner annular wall of the upper part of the cylinder structure 10, the inner diameter of the annular baffle 8 is smaller than the outer diameter of the first semicircular plate 61, the inner diameter of the annular baffle 8 is larger than the outer diameter of the filter cartridge 11, and the height of the movable blocking plate 6 is higher than that of the annular baffle 8, so that the normal circulation of smoke is ensured;
the connecting rod 4 is a screw rod, the lower part of the screw rod is fixedly connected with the central position of the movable blocking plate, and the upper part of the screw rod is in threaded connection with a threaded hole of the knob 3;
the barrel structure 10 is made of colorless transparent organic glass, so that the condition of internal dust deposition is conveniently observed.
In the specific embodiment: the air inlet quick connector 1 and the air outlet quick connector 5 are pipe fittings with the inner diameter of 20mm and the outer diameter of 30mm, and the length of the pipe fittings is 20 mm; connect at internal diameter 100mm external diameter 110mm, highly be 30 mm's columniform upper portion cavity subassembly, upper portion cavity subassembly adopts stainless steel casting to form, and there is the 5mm hole at upper portion cavity center top, and the screw rod 4 of being convenient for passes, connects knob 3. Lower part cavity subassembly adopts colourless transparent organic glass to constitute, conveniently observes the inside deposition condition, and there is the swivel nut of connecting superstructure at tubular structure's top, and the last annular baffle 8 that is 15mm of radial width that is provided with of tubular structure, and bottom center installation external diameter 20mm internal diameter 10mm, length are 20 mm's valve row ash mouth 12, and the main part is the columniform lower part cavity 10 of the internal diameter 100mm external diameter 110mm height 180 mm. The filter cartridge adopts a six-lug quick-release filter element, has the outer diameter of 50mm, the inner diameter of 30mm and the height of 150mm, and adopts polyester fiber non-woven fabric with the thickness of 10mm to filter dust.
When the device works, the movable blocking plate is in a state shown in figure 5, smoke enters a first cavity of the dust removal device from the air inlet interface, at the moment, the first semicircular plate is arranged under the first cavity, the second semicircular plate is arranged under the second cavity, smoke is blocked by the partition plate and oppositely flows into the periphery of the filter cylinder from a gap between the first semicircular plate and the outer ring wall, then the flow speed of the smoke is reduced by the baffle plate at the corresponding position, the smoke enters the interior from the outside of the filter screen of the detachable filter cylinder through the filter screen to remove dust in the smoke, the dust falls into the cavity of the device, and clean smoke flows into the second cavity from the air outlet interface through the through guide hole and then enters the sampling device; when the dust removing device is used for removing dust, only the valve dust discharging port is needed to be opened, clean air is sucked in through the air inlet, the knob is rotated for 180 degrees, the rotatable movable blocking plate is also rotated for 180 degrees, at the moment, the working state is as shown in figure 6, the air enters the interior of the filter cylinder through the guide hole from the first cavity, the air enters the cavity of the dust removing device after passing through the filter screen, dust attached to the outer surface of the filter screen is blown down into the cavity by the air to remove dust for the filter screen, the air greatly slows down the flow velocity through the baffles at the two sides, the dust cannot be taken out, all the dust in the cavity is discharged through the valve dust discharging port, the purpose of automatically removing dust is achieved, after the dust in the cavity is discharged, the knob is rotated for 180 degrees, the valve dust discharging port is closed, and the dust removing device is restored to the normal working state again; the dust collector can filter a large amount of dust in flue gas and has an automatic dust cleaning function, the dust accumulation blockage resistance of the flue gas sampler and the gas collecting pipeline can be improved, and the working efficiency is improved.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. The utility model provides a take dust removal filter equipment of automatic deashing which characterized in that: the device comprises an upper cavity assembly and a lower cavity assembly;
the upper cavity assembly comprises a one-side air inlet interface and a one-side air outlet interface, a partition plate is arranged in the central region of the upper cavity assembly and divides the upper cavity assembly into a first cavity and a second cavity, a lower end plate central region of the upper cavity assembly is provided with an avoiding round hole which is communicated with the first cavity and the second cavity, the upper cavity assembly further comprises a movable blocking plate, the movable blocking plate comprises a first semicircular plate and a second semicircular plate, a penetrating guide hole is arranged in the radial inner region of the second semicircular plate, corresponding straight edges of the first semicircular plate and the second semicircular plate are connected to form a central dividing edge and connected to form a whole, the first semicircular plate is positioned on one side of the central dividing edge, the second semicircular plate is positioned on the other side of the central dividing edge, and the outer diameter of the first semicircular plate is smaller than that of the second semicircular plate, the outer diameter of the second semicircular plate is equal to the inner diameter of the avoidance circular hole, the lower part of the lower end plate is provided with a lower convex positioning structure, and the lower surface of the movable blocking plate is fixedly provided with a filter cylinder which is vertically and downwardly arranged;
the lower cavity assembly comprises a cylinder structure, a lower cavity of the cylinder structure is used for placing the filter cartridge, the upper part of the cylinder structure is provided with an opening, the outer diameter of the filter cartridge is smaller than the inner diameter of the lower cavity, the bottom of the cylinder structure is provided with a valve ash discharge port, the lower convex positioning structure is positioned and connected to the outer ring surface of the upper end of the cylinder structure, and the lower end of the filter cartridge is inserted into the lower cavity of the cylinder structure;
the center of the movable blocking plate is inserted with a connecting rod, and the connecting rod penetrates through the center through hole of the partition plate and then protrudes upwards and is connected with a knob.
2. The dust removing and filtering device with the automatic ash removing function as claimed in claim 1, wherein: and a plurality of through holes are formed in the radial inner surface of the second semicircular plate and serve as through guide holes.
3. The dust removing and filtering device with the automatic ash removing function as claimed in claim 1, wherein: the second semicircular plate comprises a third through semicircular hole at a radial position and a second semicircular arc plate at a radial outer side.
4. The dust removing and filtering device with the automatic ash removing function as claimed in claim 1, wherein: the lower surface of the movable blocking plate is annularly provided with a filter cartridge sleeve connecting opening ring, and the upper end of the filter cartridge is annularly and fixedly sleeved on the filter cartridge sleeve connecting opening ring.
5. The dust removing and filtering device with the automatic ash removing function as claimed in claim 1, wherein: the lower convex positioning structure is a lower convex screw rod or a threaded interface, a locking or locking structure is arranged at a position of the cylinder structure corresponding to the lower convex positioning structure, and the lower convex positioning structure is fixedly installed and supported on the locking or locking structure.
6. The dust removing and filtering device with the automatic ash removing function as claimed in claim 1, wherein: an annular baffle is arranged on the inner annular wall of the upper portion of the cylinder structure, the inner diameter of the annular baffle is smaller than the outer diameter of the first semi-circular plate, the inner diameter of the annular baffle is larger than the outer diameter of the filter cylinder, and the height of the movable blocking plate is higher than that of the annular baffle.
7. The dust removing and filtering device with the automatic ash removing function as claimed in claim 1, wherein: the filter cartridge comprises a central cavity and a peripheral cylindrical filter structure, wherein the surface area of the central cavity is arranged to cover the corresponding surface area of the through guide hole.
8. The dust removing and filtering device with the automatic ash removing function as claimed in claim 1, wherein: the connecting rod is specifically a screw rod, the lower part of the screw rod is fixedly connected with the central position of the movable blocking plate, and the upper part of the screw rod is in threaded connection with the threaded hole of the knob.
9. The dust removing and filtering device with the automatic ash removing function as claimed in claim 1, wherein: the barrel structure is specifically made of colorless transparent organic glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120702417.8U CN214862080U (en) | 2021-04-07 | 2021-04-07 | Dust removal and filtration device with automatic ash removal function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120702417.8U CN214862080U (en) | 2021-04-07 | 2021-04-07 | Dust removal and filtration device with automatic ash removal function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214862080U true CN214862080U (en) | 2021-11-26 |
Family
ID=78949138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120702417.8U Active CN214862080U (en) | 2021-04-07 | 2021-04-07 | Dust removal and filtration device with automatic ash removal function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214862080U (en) |
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2021
- 2021-04-07 CN CN202120702417.8U patent/CN214862080U/en active Active
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