CN115406219A - Dust collector in drying-machine wind channel - Google Patents
Dust collector in drying-machine wind channel Download PDFInfo
- Publication number
- CN115406219A CN115406219A CN202210731329.XA CN202210731329A CN115406219A CN 115406219 A CN115406219 A CN 115406219A CN 202210731329 A CN202210731329 A CN 202210731329A CN 115406219 A CN115406219 A CN 115406219A
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- CN
- China
- Prior art keywords
- air duct
- filter module
- box body
- air
- 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.)
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- 239000000428 dust Substances 0.000 title claims abstract description 35
- 238000001914 filtration Methods 0.000 claims description 10
- 230000009290 primary effect Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000008859 change Effects 0.000 abstract description 4
- 238000001035 drying Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- 239000010802 sludge Substances 0.000 description 8
- 239000012535 impurity Substances 0.000 description 6
- 239000002245 particle Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/003—Supply-air or gas filters
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/13—Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
- F26B2200/18—Sludges, e.g. sewage, waste, industrial processes, cooling towers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a dust removal device in an air duct of a dryer, which comprises an air duct box body with a hollow interior, wherein the lower end of the air duct box body is respectively provided with an air inlet and an air outlet for the inlet and outlet of external hot air; a plurality of groups of track supports are arranged inside the air duct box body, and a plurality of groups of filter modules are movably connected to the track supports; and an opening and closing door is arranged outside the air duct box body corresponding to the filter module. The device is when needing to overhaul whole device or change filter module, only needs to open the shutter, then takes off filter module from the track support, after the maintenance or change completion, installs again on the track support that corresponds, and whole dust collector compact structure, and it is convenient to dismantle the dress, is convenient for overhaul.
Description
Technical Field
The invention relates to the technical field of drying machine air duct dust removal, in particular to a dust removal device in a dryer air duct.
Background
The drying air is heated by an external heat pump system in the drying process of the sludge, and after the drying air dries the sludge, the drying air can carry dust or particles of a part of the sludge into the heat pump system, so that a large amount of dust covers the surface or the inside of a cooler in the heat pump system, the effect of heating circulating air is influenced, the whole heat pump system is damaged, and the whole sludge drying production is influenced.
For the parallelly connected mud heat pump belt mummification unit of the overlapping of providing of a present publication No. CN215216881U, this patent can carry out air distribution to the secondary air supply, improve unit sludge drying speed, shorten mud heat pump mummification unit mummification cycle, and be provided with the filter in heat pump system's import department, but the filter in this patent can't reach the overhaul convenience, can't convenient and fast change as required to the filter of inside simultaneously, has reached best filter effect.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a dust removal device in an air duct of a dryer.
In order to achieve the purpose, the invention adopts the following technical scheme: a dust removal device in an air duct of a dryer comprises an air duct box body with a hollow interior, wherein the lower end of the air duct box body is respectively provided with an air inlet and an air outlet for the inlet and outlet of external hot air;
a plurality of groups of track supports are arranged inside the air duct box body, and a plurality of groups of filter modules are movably connected to the track supports;
and the outside of the air duct box body corresponding to the filter module is provided with an opening and closing door.
As a further description of the above technical solution: the filter modules are provided with three groups, namely a primary filter module, a medium-efficiency filter module and a high-efficiency filter module.
As a further description of the above technical solution: the middle-effect filter module and the high-effect filter module are arranged obliquely or vertically, and the primary-effect filter module is arranged obliquely or horizontally.
As a further description of the above technical solution: the primary filter module is provided with four groups of primary filters, the high efficiency filter module is also provided with four groups of high efficiency filters, the primary filter with the high efficiency filter is plate filter.
As a further description of the above technical solution: four groups of medium-efficiency filters are arranged in the medium-efficiency filter module, and the medium-efficiency filters are bag filters.
As a further description of the above technical solution: the filtering areas of the primary filter module and the high-efficiency filter module are both 4 x 500 x 380mm 2 The filtration area of the medium-efficiency filter module is 4 x 410 x 380mm 2 。
As a further description of the above technical solution: the air duct box body comprises an inner frame and an outer side plate which are detachably and mechanically connected.
As a further description of the above technical solution: the track support is mechanically connected with the inner wall of the air duct box body through bolts.
As a further description of the above technical solution: the included angle between the primary filter module and the air duct bottom is 0-60 degrees, and the included angle between the high-efficiency filter module and the air duct bottom is 20-85 degrees.
As a further description of the above technical solution: the air duct box body is square, and one or two air duct box bodies are arranged.
The invention has the following beneficial effects:
1. according to the invention, hot air after drying sludge enters the air channel box body from the air inlet below the air channel box body, primary dust removal is carried out on the hot air through the primary filter in the filter module, secondary dust removal is carried out on impurities in the hot air through the intermediate filter, and dust removal is carried out on the hot air through the high-efficiency filter before the hot air is sent out from the air outlet, so that the existence of the impurities in the circulating hot air entering an external hot air circulating system is reduced, and the influence of the impurities and dust in the air on the use of an evaporator, a cooler, a heat pipe and other devices in the external hot air circulating system is reduced.
2. According to the invention, the opening and closing doors are arranged outside the air duct box body corresponding to the filter modules and are arranged at the corresponding positions of the filter modules, when the whole device needs to be maintained or the filter modules need to be replaced, the opening and closing doors are only needed to be opened, then the filter modules are taken down from the track support, and the filter modules are installed on the corresponding track support after maintenance or replacement is completed.
Drawings
Fig. 1 is a perspective view of a dust removing device in an air duct of a dryer according to the present invention;
fig. 2 is a schematic internal view of a dust removing device in an air duct of a dryer according to the present invention.
Illustration of the drawings:
1. an air duct box body; 2. an air inlet; 3. an air outlet; 4. a track support; 5. a filter module; 51. a primary filter module; 52. a middle effect filter module; 53. a high efficiency filter module; 6. the door is opened and closed.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-2, one embodiment provided by the present invention: a dust removal device in an air duct of a dryer comprises an air duct box body 1 with a hollow interior, wherein the lower end of the air duct box body 1 is respectively provided with an air inlet 2 and an air outlet 3 for the inlet and outlet of external hot air; a plurality of groups of track supports 4 are arranged inside the air duct box body 1, and a plurality of groups of filter modules 5 are movably connected to the track supports 4; the opening and closing door 6 has been seted up to the outside of the wind channel box 1 that filter module 5 corresponds, opening and closing door 6 sets up the department that corresponds at each filter module 5, overhaul whole device or when changing filter module 5 when needs, only need open and close door 6, then take off filter module 5 from track support 4, after the maintenance or change completion, install again on the track support 4 that corresponds, whole dust collector compact structure, and it is convenient to dismantle the dress, be convenient for overhaul.
According to the technical scheme, the hot air after drying the sludge enters the air channel box 1 from the air inlet 2 below the air channel box 1, then primary dust removal is carried out on the hot air through the primary filter 51 in the filter module 5, secondary dust removal is carried out on impurities in the hot air through the intermediate filter 52, dust removal is carried out on the hot air through the high-efficiency filter 53 again before the hot air is sent out from the air outlet 3, the existence of the impurities in the circulating hot air entering the external hot air circulating system is reduced, and the use influence of the impurities and dust in the air on the devices such as an evaporator, a cooler and a heat pipe in the external hot air circulating system is reduced.
Further, the filter modules 5 are provided with three sets, which are a primary filter module 51, a middle filter module 52 and a high efficiency filter module 53.
Further, the middle-effect filter module 52 and the high-effect filter module 53 are obliquely or vertically arranged, the primary filter module 51 is obliquely or horizontally arranged, and when the primary filter module 51 is horizontally arranged, most of large-particle dust or sludge particles can fall under the condition of the dead weight when the whole device is in a parking state, so that the service time of the filter is prolonged, and the maintenance frequency is reduced.
Further, the primary filter module 51 is provided with four sets of primary filters, and the high efficiency filter module 53 is also provided with four sets of high efficiency filters, and the primary filters and the high efficiency filters are plate filters. Wherein the primary filter is G4 primary filter, and the high efficiency filter is H11 high efficiency filter, is provided with four sets of medium efficiency filter in the medium efficiency filter module 52, and the medium efficiency filter be F7 bag filter, also can be simultaneously according to model, the amount of wind of different equipment, under the unchangeable condition of the wind pressure loss of guaranteeing air outlet 3 department, H11 that can the high efficiency filter's grade follow F9 improvement to improve the filter effect to the dust.
Furthermore, the filtering areas of the primary filter module 51 and the high-efficiency filter module 53 are both 4 × 500 × 380mm 2 The filtration area of the intermediate efficiency filter module 52 is4*410*380mm 2 The pressure loss increase due to the resistance of the filter is reduced while ensuring that all the hot air enters from the primary filter 51 and is sent out from the high efficiency filter 53.
The embodiment provided by the invention takes a 4800 water-cooled heat pump as an example, and the air volume is 7000CMH on one side:
the combination of the traditional G4 plate filter and the F9 bag filter has the standard working condition of wind speed of about 2.8m/s, pressure loss of 359.5pa and filter area of (3 multiplied by 430 multiplied by 535) mm 2 ＝0.69㎡；
In the triple filter structure, the filters with three precisions are tested by sample pieces with different sizes (filter areas) and specifications, and finally, under the condition of matching air volume, the G4 filter area of (4 multiplied by 500 multiplied by 380) mm is obtained 2 Hourly pressure loss =112.5pa, wind speed 2.5m/s; the F7 filtration area is (4X 410X 380) mm 2 Hourly pressure loss =145.5pa, wind speed 3m/s; the H11 filtration area is (4X 500X 380) mm 2 The pressure loss =92pa, the wind speed is 2.5m/s, and the total pressure loss =350pa, and the pressure loss is still reduced by nearly 10pa under the condition that the filter is added, so that the filtering effect is improved, and the pressure loss is not increased.
Further, wind channel box 1 includes that inner frame and outside curb plate detachable mechanical connection, when needs carry out the maintenance on a large scale to whole dust collector, can directly demolish the curb plate of 1 each direction in wind channel box, then maintains or washs inside.
Further, track support 4 passes through bolted mechanical connection with the inner wall of wind channel box 1, and track support also corresponds with corresponding filter and places, if well effect filter is vertical placing, then its outer connection's track support 4 also places for erectting, and both can pass through the draw-in groove joint, and if low effect filter places for slope or level, then its track support 4 that corresponds also places for the slope, also can carry out spacing protection to the filter through track support 4.
Further, the included angle between the primary filter module 51 and the bottom of the air duct box 1 is 0-60 °, the included angle between the high-efficiency filter module 53 and the bottom of the air duct box 1 is 20-85 °, different angles can be set according to actual requirements, and the optimal filtering effect is achieved, for example, the included angle between the primary filter module 51 and the bottom of the air duct box 1 can be set to 45 °, and the high-efficiency filter module 53 can also be set to 45 °.
Furthermore, the air duct box body 1 is square, one or two air duct box bodies 1 are arranged, one air duct box body 1 or two air duct box bodies 1 can be arranged according to actual conditions, and the optimal filtering effect is achieved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides a dust collector in drying-machine wind channel, includes inside hollow wind channel box (1), its characterized in that: the lower end of the air duct box body (1) is respectively provided with an air inlet (2) and an air outlet (3) for the inlet and outlet of external hot air;
a plurality of groups of track supports (4) are arranged inside the air duct box body (1), and a plurality of groups of filter modules (5) are movably connected to the track supports (4);
and an opening and closing door (6) is arranged outside the air duct box body (1) corresponding to the filter module (5).
2. The dust removing device in the air duct of the dryer according to claim 1, wherein: the filter module (5) is provided with three groups, namely a primary filter module (51), a medium-efficiency filter module (52) and a high-efficiency filter module (53).
3. The dust removing device in an air duct of a dryer according to claim 2, wherein: the middle-effect filter module (52) and the high-effect filter module (53) are obliquely arranged or vertically arranged, and the primary-effect filter module (51) is obliquely arranged or horizontally arranged.
4. The dust removing device in the air duct of the dryer according to claim 2, wherein: the primary filter module (51) is provided with four groups of primary filters, the high efficiency filter module (53) is also provided with four groups of high efficiency filters, the primary filter with the high efficiency filter is plate filter.
5. The dust removing device in the air duct of the dryer according to claim 2, wherein: four groups of medium-efficiency filters are arranged in the medium-efficiency filter module (52), and the medium-efficiency filters are bag filters.
6. The dust removing device in an air duct of a dryer according to claim 2, wherein: the filtering areas of the primary filter module (51) and the high-efficiency filter module (53) are both 4 x 500 x 380mm 2 The median filter module (52) has a filter area of 4 x 410 x 380mm 2 。
7. The dust removing device in the air duct of the dryer according to claim 1, wherein: the air duct box body (1) comprises an inner frame and an outer side plate which are detachably and mechanically connected.
8. The dust removing device in the air duct of the dryer according to claim 1, wherein: the track support (4) is mechanically connected with the inner wall of the air duct box body (1) through bolts.
9. The dust removing device in an air duct of a dryer according to claim 2, wherein: the included angle between the primary filter module (51) and the bottom of the air duct box body (1) is 0-60 degrees, and the included angle between the high-efficiency filter module (53) and the bottom of the air duct box body (1) is 20-85 degrees.
10. The dust removing device in the air duct of the dryer according to claim 1, wherein: the air duct box body (1) is square, and one or two air duct box bodies (1) are arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210731329.XA CN115406219B (en) | 2022-06-24 | 2022-06-24 | Dust collector in drying-machine wind channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210731329.XA CN115406219B (en) | 2022-06-24 | 2022-06-24 | Dust collector in drying-machine wind channel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115406219A true CN115406219A (en) | 2022-11-29 |
| CN115406219B CN115406219B (en) | 2023-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210731329.XA Active CN115406219B (en) | 2022-06-24 | 2022-06-24 | Dust collector in drying-machine wind channel |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2484640A1 (en) * | 2009-09-28 | 2012-08-08 | Guangzhou Pude Environmental Protection Equipment Ltd. | Method and apparatus for aerobically air-drying sludge filter cakes |
| CN102921243A (en) * | 2012-10-29 | 2013-02-13 | 无锡众邦暖通净化设备有限公司 | Vertical purification unit |
| CN205127565U (en) * | 2015-11-04 | 2016-04-06 | 三体(北京)环境科技有限公司 | H1 pipeline purifying box |
| CN209630876U (en) * | 2018-12-29 | 2019-11-15 | 深圳市森盾科技有限公司 | A kind of refuse depot multifunctional air purifier |
| CN210585381U (en) * | 2019-07-23 | 2020-05-22 | 上海永健仪器设备有限公司 | Carbon powder purification device |
| KR102390268B1 (en) * | 2021-10-25 | 2022-04-25 | 도요엔지니어링코리아 주식회사 | Drying system of sludge by reheating method using steam circulation |
-
2022
- 2022-06-24 CN CN202210731329.XA patent/CN115406219B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2484640A1 (en) * | 2009-09-28 | 2012-08-08 | Guangzhou Pude Environmental Protection Equipment Ltd. | Method and apparatus for aerobically air-drying sludge filter cakes |
| CN102921243A (en) * | 2012-10-29 | 2013-02-13 | 无锡众邦暖通净化设备有限公司 | Vertical purification unit |
| CN205127565U (en) * | 2015-11-04 | 2016-04-06 | 三体(北京)环境科技有限公司 | H1 pipeline purifying box |
| CN209630876U (en) * | 2018-12-29 | 2019-11-15 | 深圳市森盾科技有限公司 | A kind of refuse depot multifunctional air purifier |
| CN210585381U (en) * | 2019-07-23 | 2020-05-22 | 上海永健仪器设备有限公司 | Carbon powder purification device |
| KR102390268B1 (en) * | 2021-10-25 | 2022-04-25 | 도요엔지니어링코리아 주식회사 | Drying system of sludge by reheating method using steam circulation |
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| Publication number | Publication date |
|---|---|
| CN115406219B (en) | 2023-12-01 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A dust removal device inside the air duct of a dryer Granted publication date: 20231201 Pledgee: Hongkou Branch of Shanghai Rural Commercial Bank Co.,Ltd. Pledgor: SHANGHAI TECHASE ENVIRONMENT PROTECTION Co.,Ltd. Registration number: Y2024310000251 |
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