CN115406219B - Dust collector in drying-machine wind channel - Google Patents

Dust collector in drying-machine wind channel Download PDF

Info

Publication number
CN115406219B
CN115406219B CN202210731329.XA CN202210731329A CN115406219B CN 115406219 B CN115406219 B CN 115406219B CN 202210731329 A CN202210731329 A CN 202210731329A CN 115406219 B CN115406219 B CN 115406219B
Authority
CN
China
Prior art keywords
filter module
air duct
box body
duct box
dust collector
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.)
Active
Application number
CN202210731329.XA
Other languages
Chinese (zh)
Other versions
CN115406219A (en
Inventor
陆渊
陈然
刘道广
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Techase Environment Protection Co ltd
Original Assignee
Shanghai Techase Environment Protection Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai Techase Environment Protection Co ltd filed Critical Shanghai Techase Environment Protection Co ltd
Priority to CN202210731329.XA priority Critical patent/CN115406219B/en
Publication of CN115406219A publication Critical patent/CN115406219A/en
Application granted granted Critical
Publication of CN115406219B publication Critical patent/CN115406219B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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

Landscapes

  • 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 removing device in an air duct of a dryer, which comprises an air duct box body with a hollow inside, 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 the outlet of external hot air; a plurality of groups of track brackets are arranged in the air duct box body, and a plurality of groups of filter modules are movably connected to the track brackets; the outside of the air duct box body corresponding to the filter module is provided with an opening and closing door. When the device needs to be overhauled or the filter module is replaced, the opening and closing door is only required to be opened, then the filter module is taken down from the track support, after maintenance or replacement is completed, the filter module is installed on the corresponding track support, and the whole dust removing device is compact in structure, convenient to detach and install and convenient to overhaul.

Description

Dust collector in drying-machine wind channel
Technical Field
The invention relates to the technical field of dust removal of an air duct of a dryer, in particular to a dust removal device in the air duct of the dryer.
Background
The sludge is heated to the outside heat pump system in the drying process, and after the sludge is dried by the drying hot air, the drying hot air can carry dust or particles of a part of sludge to enter the heat pump system, so that a large amount of dust is covered on the surface or the inside of devices in the heat pump system, such as an evaporator, to influence the heating effect of circulating air, and even damage the whole heat pump system, so that the whole sludge drying production is influenced, and the existing heat pump system is provided with a filter at the inlet of the heat pump system to remove the dust or the sludge in the air, so that the pollution to the inside of the heat pump system is reduced.
If the prior publication number CN215216881U is a cascade parallel secondary air supply sludge heat pump belt type drying unit, the patent can distribute air quantity of secondary air supply, improve sludge drying speed of the unit, shorten drying period of the sludge heat pump drying unit, and a filter is arranged at an inlet of a heat pump system, but the filter in the patent cannot be disassembled and repaired conveniently, and meanwhile, the filter inside cannot be replaced as required conveniently and rapidly, so that the best filtering effect is achieved.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a dust removing device in an air duct of a dryer.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the dust removing device in the air duct of the dryer comprises an air duct box body with a hollow inside, 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 the outlet of external hot air;
a plurality of groups of track brackets are arranged in the air duct box body, and a plurality of groups of filter modules are movably connected to the track brackets;
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 medium-efficiency filter module and the high-efficiency filter module are obliquely arranged or vertically arranged, and the primary filter module is obliquely arranged or horizontally arranged.
As a further description of the above technical solution: the primary filter module is provided with four groups of primary filters, the efficient filter module is also provided with four groups of efficient filters, and the primary filters and the efficient filters are all plate filters.
As a further description of the above technical solution: four groups of intermediate-effect filters are arranged in the intermediate-effect filter module, and the intermediate-effect filters are bag filters.
As a further description of the above technical solution: the filter areas of the primary filter module and the high-efficiency filter module are 4 x 500 x 380mm 2 The filtering area of the medium-efficiency filter module is 4×410×380mm 2 。
As a further description of the above technical solution: the air duct box 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 bottom of the air duct box body is 0-60 degrees, and the included angle between the efficient filter module and the bottom of the air duct box body 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 sludge drying enters the air duct box from the air inlet below the air duct box, the hot air is primarily dedusted through the primary filter in the filter module, impurities in the hot air are secondarily dedusted through the secondary filter, and the hot air is dedusted through the efficient filter again before being sent out from the air outlet, so that the existence of impurities in circulating hot air entering an external hot air circulating system is reduced, and the use influence of impurity dust in the air on devices such as an evaporator, a cooler and a heat pipe in the external hot air circulating system is reduced.
2. According to the invention, the opening and closing doors are arranged at the corresponding positions of the filter modules through the opening and closing doors arranged outside the air duct box bodies corresponding to the filter modules, when the whole device is required to be overhauled or the filter modules are required to be replaced, the opening and closing doors are only required to be opened, then the filter modules are taken down from the track brackets, and after the maintenance or the replacement is completed, the filter modules are installed on the corresponding track brackets.
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 an internal schematic view of a dust removing device in a dryer air duct according to the present invention.
Legend description:
1. an air duct box body; 2. an air inlet; 3. an air outlet; 4. a track bracket; 5. a filter module; 51. a primary filter module; 52. a medium-efficiency filter module; 53. a high efficiency filter module; 6. and a door is opened and closed.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-2, one embodiment provided by the present invention is: the dust removing device in the air duct of the dryer comprises an air duct box body 1 with a hollow inside, 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 entry and the exit of external hot air; a plurality of groups of track brackets 4 are arranged in the air duct box body 1, and a plurality of groups of filter modules 5 are movably connected to the track brackets 4; the outside of the wind channel box 1 that filter module 5 corresponds has offered the door 6 that opens and shuts, and the door 6 that opens and shuts sets up in the department that corresponds of each filter module 5, when needs overhauld the whole device or change filter module 5, only need open the door 6 that opens and shuts, then take off filter module 5 from track support 4, after maintenance or change are accomplished, install again on corresponding track support 4, whole dust collector compact structure, and dismantle simple to operate, the maintenance of being convenient for.
According to the technical scheme, the hot air after sludge drying enters the air duct box 1 from the air inlet 2 below the air duct box 1, then primary dust removal is carried out on the hot air through the primary filter 51 in the filter module 5, then secondary dust removal is carried out on impurities in the hot air through the secondary filter 52, and the dust removal is carried out through the efficient filter 53 again before the hot air is sent out from the air outlet 3, so that the existence of impurities in circulating hot air entering an external hot air circulating system is reduced, and the use influence of impurity dust in the air on devices such as evaporators, coolers, heat pipes and the like in the external hot air circulating system is reduced.
Further, the filter module 5 is provided with three groups, namely a primary filter module 51, a middle-efficiency filter module 52 and a high-efficiency filter module 53.
Further, the middle-efficiency filter module 52 and the high-efficiency filter module 53 are obliquely arranged or vertically arranged, the primary filter module 51 is obliquely arranged or horizontally arranged, and when the primary filter module 51 is horizontally arranged, most large particle dust or sludge particles can fall under the condition of self weight of the whole device when the whole device is in a parking state, so that the service time of the filter is prolonged, and the maintenance times are reduced.
Further, the primary filter module 51 is provided with four groups of primary filters, and the efficient filter module 53 is also provided with four groups of efficient filters, and the primary filters and the efficient filters are all plate filters. Wherein the primary filter is a G4 primary filter, the efficient filter is an H11 efficient filter, four groups of secondary filters are arranged in the secondary filter module 52, the secondary filter is an F7 bag filter, and meanwhile, the grade of the efficient filter can be improved from the H11 of F9 under the condition of ensuring that the pressure loss of the wind pressure at the air outlet 3 is unchanged according to the model and the wind quantity of different equipment, so that the filtering effect on dust is improved.
Further, the filter areas of the primary filter module 51 and the high-efficiency filter module 53 are 4×500×380mm 2 The filter area of the neutral filter module 52 is 4 x 410 x 380mm 2 The pressure loss increase due to the resistance of the filter is reduced while ensuring that all the hot air is introduced from the primary filter 51 and discharged from the high efficiency filter 53.
In one embodiment of the present invention, for example, a 4800 water-cooled heat pump, 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 about 2.8m/s of wind speed, 359.5pa of pressure loss and the filtering area of (3 multiplied by 430 multiplied by 535) mm 2 ＝0.69㎡；
In the triple filter structure, three kinds of precision filters are tested by sample pieces with different sizes (filtering area) to obtain the G4 filtering area (4×500×380) mm under the condition of air volume matching 2 Time pressure loss=112.5pa, wind speed 2.5m/s; f7 filtration area was (4X 410X 380) mm 2 Time pressure loss=145.5pa, wind speed 3m/s; h11 filtration area is (4×500×380) mm 2 The time pressure loss=92 pa, the wind speed is 2.5m/s,the sum of the pressure losses=350pa, and under the condition that the filter is added, the pressure loss is still reduced by nearly 10pa, which can indicate that the patent can not cause the increase of the pressure loss when improving the filtering effect.
Further, the air duct box 1 comprises an inner frame and an outer side plate which are detachably mechanically connected, when the whole dust removing device needs to be overhauled in a large range, the side plates in all directions of the air duct box 1 can be directly dismantled, and then the inside is maintained or cleaned.
Further, the track support 4 is mechanically connected with the inner wall of the air duct box 1 through bolts, the track support is also placed corresponding to the corresponding filter, if the middle-effect filter is placed vertically, the track support 4 connected with the middle-effect filter is placed vertically, the track support 4 and the middle-effect filter can be clamped by the clamping grooves, if the middle-effect filter is placed obliquely or horizontally, the corresponding track support 4 is placed obliquely, and the filter can be limited and protected through the 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 efficient filter module 53 and the bottom of the air duct box 1 is 20-85 °, different angles can be set according to actual needs, so as to achieve the best filtering effect, 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 efficient filter module 53 can also be set to 45 °.
Further, the air duct box body 1 is square, and one or two air duct box bodies 1 are arranged, so that 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: the foregoing description is only illustrative of the preferred embodiments of the present invention, and 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 described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.

Claims (9)

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 entry and exit of external hot air;
a plurality of groups of track brackets (4) are arranged in the air duct box body (1), a plurality of groups of filter modules (5) are movably connected to the track brackets (4), and three groups of filter modules (5) are respectively a primary filter module (51), a middle-efficiency filter module (52) and a high-efficiency filter module (53);
an opening and closing door (6) is arranged outside the air duct box body (1) corresponding to the filter module (5);
the filter module (5) above the air inlet (2) and the air outlet (3) is obliquely arranged, and after the filtration is finished, large-particle dust or sludge adhered to the surface of the oblique filter module (5) falls into the lower part under the influence of dead weight.
2. The dust collector in a dryer tunnel of claim 1, wherein: the medium-efficiency filter module (52) and the high-efficiency filter module (53) are obliquely arranged or vertically arranged, and the primary filter module (51) is obliquely arranged or horizontally arranged.
3. The dust collector in a dryer tunnel of claim 1, wherein: the primary filter module (51) is provided with four groups of primary filters, the efficient filter module (53) is also provided with four groups of efficient filters, and the primary filters and the efficient filters are all plate filters.
4. The dust collector in a dryer tunnel of claim 1, wherein: four groups of intermediate-efficiency filters are arranged in the intermediate-efficiency filter module (52), and the intermediate-efficiency filters are bag filters.
5. The dust collector in a dryer tunnel of claim 1, wherein: the filter areas of the primary filter module (51) and the high-efficiency filter module (53) are 4-500-380 mm 2 The filtering area of the medium-efficiency filter module (52) is 4×410×380mm 2 。
6. The dust collector in a dryer tunnel of claim 1, wherein: the air duct box body (1) comprises an inner frame and an outer side plate which are detachably and mechanically connected.
7. The dust collector in a dryer tunnel of claim 1, wherein: the track support (4) is mechanically connected with the inner wall of the air duct box body (1) through bolts.
8. The dust collector in a dryer tunnel of claim 1, 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 efficient filter module (53) and the bottom of the air duct box body (1) is 20-85 degrees.
9. The dust collector in a dryer tunnel of claim 1, wherein: the air duct box body (1) is square, and one or two air duct box bodies (1) are arranged.
CN202210731329.XA 2022-06-24 2022-06-24 Dust collector in drying-machine wind channel Active CN115406219B (en)

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 CN115406219A (en) 2022-11-29
CN115406219B true CN115406219B (en) 2023-12-01

Family

ID=84157625

Family Applications (1)

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

Country Status (1)

Country Link
CN (1) CN115406219B (en)

Citations (6)

* Cited by examiner, † Cited by third party
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
CN115406219A (en) 2022-11-29

Similar Documents

Publication Publication Date Title
CN109950821B (en) Cooling and dehumidifying electric power cabinet based on semiconductor refrigeration piece
CN115406219B (en) Dust collector in drying-machine wind channel
CN213388303U (en) Sludge heat pump drying device based on water circulation system
CN219211006U (en) Plastic sheet cleaning and drying device
CN217632837U (en) Water removal device for gas compressor
CN106622666A (en) Wet-type electrostatic treatment device for forming machine waste gas in printing and dyeing industry and process thereof
CN212790417U (en) Air-water separation device of refrigeration type compressed air dryer
CN212758006U (en) Exhaust gas discharging device of vacuum induction melting furnace
CN211346443U (en) High-temperature waste gas cooling treatment device
CN207016627U (en) A kind of chemical engineering sewage purifying processing device
CN212987957U (en) Quick drying device of IBC bucket
CN208505075U (en) A kind of asphalt emulsifier prepares emission-control equipment
CN206152565U (en) Energy -conserving blowdown treater in vacuum
CN219551097U (en) Grain dryer/tower heat energy recycling device
CN210631811U (en) Compound fertilizer workshop dust removal clean system
CN205495265U (en) Corrosion -resistant high temperature resistant dust removal filter equipment that chemical plant was used
CN219265056U (en) High-efficient dry air cooler
CN116086228B (en) Heat exchanger for waste heat recovery convenient to adjust
CN218941661U (en) Control cabinet of diesel generating set
CN211330118U (en) Drying equipment used after film coating construction
CN216558424U (en) Gas-liquid separation water cooling device for compressed gas
CN216295649U (en) Energy-saving vulcanizing tower of steel plant
CN215489973U (en) Novel heating system
CN212806646U (en) Filtering device capable of cleaning heat exchanger
CN215550092U (en) Dewatering mechanism for nylon particle production

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
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