CN111359320A - Dust collecting equipment and dry separation system - Google Patents
Dust collecting equipment and dry separation system Download PDFInfo
- Publication number
- CN111359320A CN111359320A CN202010303709.4A CN202010303709A CN111359320A CN 111359320 A CN111359320 A CN 111359320A CN 202010303709 A CN202010303709 A CN 202010303709A CN 111359320 A CN111359320 A CN 111359320A
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- China
- Prior art keywords
- dust
- filter cartridge
- dust removing
- bin
- filter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000428 dust Substances 0.000 title claims abstract description 99
- 238000000926 separation method Methods 0.000 title claims abstract description 16
- 239000012530 fluid Substances 0.000 claims abstract description 15
- 238000002347 injection Methods 0.000 claims description 21
- 239000007924 injection Substances 0.000 claims description 21
- 238000004891 communication Methods 0.000 claims description 12
- 238000005507 spraying Methods 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims 5
- 238000010410 dusting Methods 0.000 claims 3
- 230000003584 silencer Effects 0.000 claims 1
- 239000000243 solution Substances 0.000 description 6
- 230000001939 inductive effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000004429 Calibre Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/58—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in parallel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0039—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices
- B01D46/0041—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices for feeding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/48—Removing dust other than cleaning filters, e.g. by using collecting trays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
- B01D46/71—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with pressurised gas, e.g. pulsed air
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention provides dust removing equipment and a dry separation system, and relates to the technical field of dry separation, wherein the dust removing equipment comprises: a dust removal bin, a filter cylinder and an induced draft fan; the filter cartridge is arranged in the dust removal bin, and an included angle is formed between the extension direction of the filter cartridge and the horizontal direction; an air inlet pipe of the induced draft fan is communicated with the inner cavity of the filter cylinder in a fluid mode. The dust removing equipment provided by the invention can be intensively designed with a dry separation system, the technical problem that dust is easy to accumulate on the outer wall of the filter cylinder in the prior art is solved, and the dust in the dry separation system is efficiently removed.
Description
Technical Field
The invention relates to the technical field of dry separation, in particular to dust removing equipment and a dry separation system.
Background
The dry separation system can generate a large amount of dust in the operation process, and when the dust is removed by adopting a filtering mode, the dust is attached to and accumulated on the surface of the filter cylinder, so that filter holes are blocked, and the dust removal efficiency is influenced. In addition, dust collecting equipment is relatively independent with the dry separator to connect through heavy-calibre tuber pipe, the pipeline is arranged inconveniently, and area is great.
Disclosure of Invention
The invention aims to provide dust removing equipment and a dry separation system, which can solve the technical problem that dust is easy to accumulate on the outer wall of a filter cylinder in the prior art.
In a first aspect, the present invention provides a dust removing apparatus comprising: a dust removal bin, a filter cylinder and an induced draft fan;
the filter cylinder is arranged in the dust removal bin, and an included angle is formed between the extension direction of the filter cylinder and the horizontal direction;
and an air inlet pipe of the induced draft fan is communicated with the inner cavity of the filter cylinder in a fluid mode.
With reference to the first aspect, the present disclosure provides a first possible implementation manner of the first aspect, wherein the dust removing device further comprises an air injection device, and the air injection device is in fluid communication with the inner cavity of the filter cartridge.
In combination with the first possible implementation manner of the first aspect, the present invention provides a second possible implementation manner of the first aspect, wherein the gas injection device comprises a nozzle, the nozzle is communicated with the inner cavity of the filter cartridge, and the nozzle is arranged coaxially with the filter cartridge;
the nozzle is configured to diffuse and inject gas into the interior cavity of the filter cartridge.
With reference to the first possible implementation manner of the first aspect, the present invention provides a third possible implementation manner of the first aspect, wherein the dust removing device further includes a differential pressure sensor, and the differential pressure sensor and the air injection device are respectively connected to a controller;
the pressure difference sensor is used for detecting the pressure difference between an air inlet pipe and an air outlet pipe of the induced draft fan;
the controller is configured to: and when the pressure difference is greater than a preset value, controlling the gas spraying device to start.
With reference to the third possible embodiment of the first aspect, the present disclosure provides a fourth possible embodiment of the first aspect, wherein the gas injection means is respectively in fluid communication with a plurality of the filter cartridges;
the gas injection means is configured to inject gas into the plurality of filter cartridges one by one.
With reference to the first aspect, the present invention provides a fifth possible implementation manner of the first aspect, wherein the air inlet of the dust removing bin is disposed above the filter cartridge.
In combination with the first aspect, the present invention provides a sixth possible implementation manner of the first aspect, wherein a dust collection box is disposed at the bottom of the dust removal bin, an opening is disposed at the top of the dust collection box, and the dust collection box is located below the filter cartridge.
In combination with the first aspect, the present disclosure provides a seventh possible implementation manner of the first aspect, wherein the filter cartridge is detachably connected to the dust removal bin.
With reference to the first aspect, the present invention provides an eighth possible implementation manner of the first aspect, wherein an air outlet pipe of the induced draft fan is communicated with a muffler.
In a second aspect, the present invention provides a dry separation system, comprising: a dry separator and the dust removal apparatus of the first aspect, the dry separator being in fluid communication with the dust removal bin.
The embodiment of the invention has the following beneficial effects: a filter cylinder is arranged in the dust removal bin, an included angle is formed between the extension direction of the filter cylinder and the horizontal direction, and an air inlet pipe of an induced draft fan is communicated with the inner cavity of the filter cylinder in a fluid mode. The dust is blocked on the outer surface of the filter cylinder by the suction of the draught fan, so that the clean gas is discharged by the draught fan. Under the action of gravity, dust on the outer surface of the filter cartridge slides down along the outer side wall of the filter cartridge, so that the dust can be prevented from being accumulated on the outer wall of the filter cartridge.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention or related technologies, the drawings used in the description of the embodiments or related technologies will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a front view of a dust removing apparatus provided in an embodiment of the present invention;
FIG. 2 is a left side view of a dust removing apparatus provided in an embodiment of the present invention;
FIG. 3 is a schematic diagram of a differential pressure sensor, a controller and a nozzle of the dust removing device provided by the embodiment of the invention;
fig. 4 is a schematic diagram of a dry separation system according to an embodiment of the present invention.
Icon: 100-a dust removal bin; 101-an air inlet; 102-induced draft; 200-a filter cartridge; 300-a draught fan; 400-dust collecting box; 500-a gas injection device; 510-a nozzle; 520-high pressure air pipe; 600-differential pressure sensor; 700-a controller; 800-a muffler; 900-dry separation machine.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The term "physical quantity" in the formula, unless otherwise noted, is understood to mean a basic quantity of a basic unit of international system of units, or a derived quantity derived from a basic quantity by a mathematical operation such as multiplication, division, differentiation, or integration.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
As shown in fig. 1 and 2, a dust removing apparatus according to an embodiment of the present invention includes: the dust removal bin 100, the filter cartridge 200 and the induced draft fan 300; the filter cartridge 200 is arranged in the dust removing bin 100, and an included angle is formed between the extending direction of the filter cartridge 200 and the horizontal direction; the air inlet duct of the induced draft fan 300 is in fluid communication with the interior chamber of the filter cartridge 200.
Specifically, the filter cartridge 200 is horizontally disposed inside the dust removing bin 100, and the induced draft fan 300 sucks the air in the inner cavity of the filter cartridge 200, so that the air in the dust removing bin 100 enters the inner cavity of the filter cartridge 200 through the side wall of the filter cartridge 200. The dust is filtered at the outer side of the filter cartridge 200, and the clean gas permeates the side wall of the filter cartridge 200 and is discharged outside along the inner cavity of the filter cartridge 200 through the induced draft fan 300.
The extending direction (axis) of the filter cartridge 200 forms an angle of 10 to 30 degrees with the horizontal direction, wherein the extending direction of the filter cartridge 200 forms an angle of 15 degrees, 20 degrees or 25 degrees with the horizontal direction, and dust on the filter cartridge 200 can slide down along the inclined filter cartridge 200, thereby reducing dust accumulated on the upper portion of the filter cartridge 200.
In an embodiment of the present invention, the dust removing apparatus further comprises a gas injection device 500, the gas injection device 500 being in fluid communication with the inner cavity of the filter cartridge 200.
Specifically, the air injection device 500 includes a high pressure fan, and when dust is accumulated on the outer surface of the filter cartridge 200 or the filter cartridge 200 is clogged due to long-term operation of the dust removing apparatus, the air injection device 500 is briefly activated to blow the filter cartridge 200 from the inside to the outside by instantaneous high pressure air, thereby blowing off the dust accumulated on the outer wall of the filter cartridge 200.
Further, the gas injection device 500 includes a nozzle 510, the nozzle 510 communicates with the inner cavity of the filter cartridge 200, and the nozzle 510 is disposed coaxially with the filter cartridge 200; the nozzle 510 is configured to diffuse and inject gas into the interior cavity of the filter cartridge 200.
Specifically, the nozzle 510 has a divergent cone angle of 30 degrees. The gas sprayed through the nozzle 510 forms an angle with the axis of the filter cartridge 200, and the high-pressure gas is blown toward the inner side wall of the filter cartridge 200, so that the high reverse blowing efficiency is achieved, and dust accumulated on the outer wall of the filter cartridge 200 can be knocked down.
As shown in fig. 1, 2 and 3, the dust removing device further includes a differential pressure sensor 600, and the differential pressure sensor 600 and the air injection device 500 are respectively connected to the controller 700; the pressure difference sensor 600 is used for detecting the pressure difference between the air inlet pipe and the air outlet pipe of the induced draft fan 300; the controller 700 is configured to: when the pressure difference is greater than the preset value, the gas injection device 500 is controlled to start.
Specifically, the differential pressure sensor 600 detects the pressure at the air inlet pipe and the pressure at the air outlet pipe of the induced draft fan 300 respectively, when the pressure difference between the air inlet pipe and the air outlet pipe is greater than a preset value, the controller 700 controls the air injection device 500 to be opened and closed instantly, and blows the filter cartridge 200 instantly through high-pressure air flow, so that the side wall of the filter cartridge 200 can be blown reversely when the filter cartridge 200 is blocked, and further dust on the outer side wall of the filter cartridge 200 can be removed.
Further, the air injection means 500 are respectively in fluid communication with the plurality of filter cartridges 200; the gas injection means 500 is configured to inject gas into the plurality of filter cartridges 200 one by one.
Specifically, the plurality of nozzles 510 are in fluid communication with the plurality of filter cartridges 200 in a one-to-one correspondence, and the nozzles 510 are controlled to open and close by an electrically controlled valve. When the pressure difference between the air inlet pipe and the air outlet pipe of the induced draft fan 300 is greater than the preset value, the filter cartridge 200 is in a serious blocking state, and the controller 700 controls the plurality of nozzles 510 to be opened and closed in sequence and instantly, so that high-pressure air is introduced into the plurality of filter cartridges 200 in sequence, and then the plurality of filter cartridges 200 can be subjected to reverse impact respectively.
It should be noted that when one of the nozzles 510 is opened and blows on the corresponding filter cartridge 200, the remaining nozzles 510 are closed, so that the remaining filter cartridges 200 can be maintained in the operating state. The plurality of nozzles 510 are sequentially and instantaneously opened and closed, so that high-pressure air is concentrated to act on one of the nozzles 510, and the reverse impact efficiency can be improved.
Further, the air inlet 101 of the dust removing bin 100 is disposed above the filter cartridge 200.
Specifically, the gas containing dust enters the interior of the dust removal bin 100 through the air inlet 101, the induced draft fan 300 sucks the gas in the inner cavity of the filter cartridge 200, so that the gas enters the inner cavity of the filter cartridge 200 from the dust removal bin 100, and the dust falls from the air inlet 101 and is filtered and retained outside the filter cartridge 200. The dust can slide down the outside wall of the filter cartridge 200, thereby reducing the amount of dust suspended inside the dust bin 100.
Further, the plurality of filter cartridges 200 are divided into two groups, the two groups of filter cartridges 200 are arranged in the two dust removing bins 100 in a one-to-one correspondence manner, the plurality of nozzles 510 are respectively communicated with the high-pressure air pipes 520, the high-pressure air pipes 520 and the air inducing ports 102 are arranged in the air inducing chamber, and the air inducing chamber is separated from the dust removing bins 100.
Further, a dust collecting box 400 is disposed at the bottom of the dust removing bin 100, an opening is disposed at the top of the dust collecting box 400, and the dust collecting box 400 is located below the filter cartridge 200.
Specifically, the dust box 400 is located below the filter cartridge 200, dust is collected on the outer sidewall of the filter cartridge 200 through filtration, and the collected dust may form a mass and slide down into the dust box 400 under the action of gravity.
Further, the filter cartridge 200 is detachably coupled to the dust removing compartment 100.
Specifically, the side wall of the dust removal bin 100 is provided with an installation part, the installation part is provided with a positioning surface matched with the filter cartridge 200, and the filter cartridge 200 can be detachably installed in the dust removal bin 100 in an inserting mode, so that the filter cartridge 200 can be replaced quickly.
As shown in fig. 2, the air outlet pipe of the induced draft fan 300 is communicated with the muffler 800. The muffler 800 may adopt a double-layered muffler device, thereby minimizing noise generated by the induced draft fan 300.
Example two
As shown in fig. 1, fig. 2 and fig. 4, the dry separation system provided in the embodiment of the present invention includes: the dry separator 900 and the dust removing device provided in the first embodiment, the dry separator 900 is in fluid communication with the dust removing bin 100.
Specifically, the dry separator 900 generates gas containing a large amount of dust, the gas enters the dust removal bin 100 through the air inlet 101, and the clean gas passes through the side wall of the filter cartridge 200, enters the induced draft fan 300 along the inner cavity of the filter cartridge 200 and is discharged outside.
It should be noted that the dry separator 900 is integrated with the dust removal device, thereby reducing the floor space of the dry separation system. The two air inlets 101 can be communicated with the two dry separators 900, and the two dry separators 900 and the two dust removing devices can independently operate, so that the dry separators 900 and the dust removing devices have the flexibility of cross operation.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A dust removing apparatus, characterized by comprising: the device comprises a dust removal bin (100), a filter cylinder (200) and an induced draft fan (300);
the filter cartridge (200) is arranged in the dust removal bin (100), and an included angle is formed between the extension direction of the filter cartridge (200) and the horizontal direction;
and an air inlet pipe of the induced draft fan (300) is in fluid communication with the inner cavity of the filter cartridge (200).
2. A dust extraction apparatus according to claim 1, further comprising a gas injection means (500), the gas injection means (500) being in fluid communication with the interior cavity of the filter cartridge (200).
3. The dust removing apparatus according to claim 2, wherein the gas injection means (500) comprises a nozzle (510), the nozzle (510) communicates with the inner cavity of the filter cartridge (200), and the nozzle (510) is disposed coaxially with the filter cartridge (200);
the nozzle (510) is configured to diffuse and inject gas into the interior cavity of the filter cartridge (200).
4. A dust removing device according to claim 2, characterized in that the dust removing device further comprises a differential pressure sensor (600), the differential pressure sensor (600) and the gas spraying means (500) being connected to a controller (700), respectively;
the pressure difference sensor (600) is used for detecting the pressure difference between an air inlet pipe and an air outlet pipe of the induced draft fan (300);
the controller (700) is configured to: and when the pressure difference is larger than a preset value, controlling the gas spraying device (500) to start.
5. A dusting apparatus according to claim 4, characterized in that said air-ejecting means (500) are in fluid communication with a plurality of said cartridges (200), respectively;
the gas injection means (500) is configured to inject gas into a plurality of the filter cartridges (200) one by one.
6. A dust extraction apparatus as claimed in claim 1, characterized in that the air inlet (101) of the dust extraction bin (100) is arranged above the filter cartridge (200).
7. A dust removing apparatus according to claim 1, wherein a dust collecting box (400) is provided at the bottom of the dust removing bin (100), an opening is provided at the top of the dust collecting box (400), and the dust collecting box (400) is located below the filter cartridge (200).
8. A dust extraction apparatus according to claim 1, wherein the filter cartridge (200) is removably connected to the dust extraction bin (100).
9. The dust removing apparatus according to claim 1, wherein the air outlet pipe of the induced draft fan (300) is communicated with a silencer (800).
10. A dry separation system, comprising: a dry separator (900) and a dusting apparatus according to anyone of claims 1-9, said dry separator (900) being in fluid communication with said dusting bin (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010303709.4A CN111359320A (en) | 2020-04-17 | 2020-04-17 | Dust collecting equipment and dry separation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010303709.4A CN111359320A (en) | 2020-04-17 | 2020-04-17 | Dust collecting equipment and dry separation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111359320A true CN111359320A (en) | 2020-07-03 |
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ID=71201527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010303709.4A Pending CN111359320A (en) | 2020-04-17 | 2020-04-17 | Dust collecting equipment and dry separation system |
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| Country | Link |
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| CN (1) | CN111359320A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102839032A (en) * | 2009-11-19 | 2012-12-26 | 李功民 | Dry separation and drying combined device |
| CN203017913U (en) * | 2012-12-31 | 2013-06-26 | 青岛路博宏业环保技术开发有限公司 | Welding fume purifying system and deduster thereof |
| CN212141796U (en) * | 2020-04-17 | 2020-12-15 | 天津美腾科技股份有限公司 | Dust collecting equipment and dry separation system |
-
2020
- 2020-04-17 CN CN202010303709.4A patent/CN111359320A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102839032A (en) * | 2009-11-19 | 2012-12-26 | 李功民 | Dry separation and drying combined device |
| CN203017913U (en) * | 2012-12-31 | 2013-06-26 | 青岛路博宏业环保技术开发有限公司 | Welding fume purifying system and deduster thereof |
| CN212141796U (en) * | 2020-04-17 | 2020-12-15 | 天津美腾科技股份有限公司 | Dust collecting equipment and dry separation system |
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