CN110013722A - A kind of industrial dedusting device with dirty filtering function - Google Patents

A kind of industrial dedusting device with dirty filtering function Download PDF

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Publication number
CN110013722A
CN110013722A CN201910318390.XA CN201910318390A CN110013722A CN 110013722 A CN110013722 A CN 110013722A CN 201910318390 A CN201910318390 A CN 201910318390A CN 110013722 A CN110013722 A CN 110013722A
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China
Prior art keywords
dust
cage
filtering function
industrial dedusting
mounting rack
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Granted
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CN201910318390.XA
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Chinese (zh)
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CN110013722B (en
Inventor
董伟铭
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Suzhou Anjian Environmental Protection Technology Co ltd
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Individual
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Priority to CN201910318390.XA priority Critical patent/CN110013722B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D50/00Combinations of methods or devices for separating particles from gases or vapours
    • B01D50/60Combinations of devices covered by groups B01D46/00 and B01D47/00

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The invention discloses a kind of industrial dedusting devices with dirty filtering function, it is related to industrial dedusting equipment technical field, based on specific and mounting rack, inlet pipe is installed at the top of the main body, and delivery pipe is installed between inlet pipe and main body, the positioned inside of the main body has blower, discharge pipe is respectively connected at left and right sides of the lower section of the blower, cage is placed with below the mounting rack, and mounting rack is located at the lower section of discharge pipe, the intermediate lower section of the blower is fixed with isolation board, opening-closing plate is provided with below the cage, and dust-collecting box is installed below opening-closing plate, the positioned beneath of the dust-collecting box has treatment box.This kind has the industrial dedusting device of dirty filtering function, and by the setting of inlet pipe, inlet pipe is located at the top of main body, and at the same time being provided with two groups, two groups of inlet pipes can increase dust input, while the dust that can be generated to two equipment focuses on, and greatly increases the working efficiency of device.

Description

A kind of industrial dedusting device with dirty filtering function
Technical field
The present invention relates to industrial dedusting equipment technical field, specially a kind of industrial dedusting dress with dirty filtering function It sets.
Background technique
Modern industry is nowadays social essential development model, and process is constantly accelerated with the development of industry, very More places all establish industrialized production place, in order to promote industrial speed, start constantly to accelerate the production time with And therefore efficiency causes many industrial sites and pollutant all occurs, the later period can also concentrate and be treated to pollutant Filter.
As current people's lives level is continuously improved, industrialization product also progresses into market, this also opens work The market space of industry will appear the soils such as dust in industrial processes certainly, therefore, it is necessary to using equipment come to this Class soil is filtered processing, and present equipment can be filtered discharge to soil.
Although present industrial dedusting equipment can be collected processing to dust, its filter capacity is much insufficient, It is pretty troublesome in post-processing due to containing many soils in dust, it is be easy to cause secondary pollution, in addition, having can not Dirty the shortcomings that being handled is separated for what is contained in dust and dust.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of industrial dedusting device with dirty filtering function, solutions Although present industrial dedusting equipment mentioned above in the background art of having determined can be collected processing, its mistake to dust Filter ability is much insufficient, pretty troublesome in post-processing due to containing many soils in dust, be easy to cause secondary pollution, In addition, having dirty can not separate the problem of being handled for what is contained in dust and dust.
To achieve the above object, the invention provides the following technical scheme: a kind of industrial dedusting with dirty filtering function Device, including main body and mounting rack are equipped with inlet pipe at the top of the main body, and are equipped with delivery pipe between inlet pipe and main body, Be provided with pipe sleeve on the outside of the delivery pipe, be sticky connection between the pipe sleeve and delivery pipe, the delivery pipe and inlet pipe it Between to be fitting to connection, the positioned inside of the main body has a blower, is respectively connected with discharge pipe at left and right sides of the lower section of the blower, institute State and be placed with cage below mounting rack, and mounting rack is located at the lower section of discharge pipe, the intermediate lower section of the blower be fixed with every From plate, and isolation board is internally provided with damping spring, is fixedly welded between the isolation board and main body, under the cage Side is provided with opening-closing plate, and dust-collecting box is equipped with below opening-closing plate, and the positioned beneath of the dust-collecting box has treatment box, and handles It is mounted on spray head at left and right sides of case, water pipe is connected on rear side of the spray head, and water pipe is placed with far from one end of spray head Water tank is mounted on bottom plate at left and right sides of the interior bottom portion of the treatment box to be fitting to connection between the water pipe and treatment box, And hydraulic stem is installed below bottom plate, be connected with dust bag among the lower section of the treatment box, and dust bag and treatment box it Between for be fitting to connection.
Optionally, the mounting rack includes chassis, spring, connecting rod and stereotype, and the chassis is located at the bottom of mounting rack Portion, and the left and right sides is respectively connected with spring between mounting rack and chassis, the connecting rod is located at the top of mounting rack, and connecting rod Surface be provided with stereotype.
Optionally, the mounting rack is between spring and chassis by being connected with each other, at the same the inner structure size of stereotype with The external structure size of connecting rod matches, and cooperates between connecting rod and stereotype and constitute slide construction.
Optionally, the cage includes dirt bag, funnel, fishplate bar and filter plate, and the dirt bag is located at the inner surface of cage, And the centre of cage is provided with fishplate bar, the positioned inside of the cage has funnel, and the bottom of cage is provided with filter plate.
Optionally, to be threadedly coupled between the cage and fishplate bar, and in the vertical centerline of funnel and the vertical of cage Heart line overlaps, and funnel is placed equidistant with along the vertical centerline of cage.
Optionally, the opening-closing plate includes valve, baffle, connecting shaft and sensor, and the valve is located at opening-closing plate Centre, and the surface of opening-closing plate is provided with baffle, the centre of the baffle is equipped with connecting shaft, and the surface of the valve is mounted with Sensor.
Optionally, it cooperates between the baffle and connecting shaft and constitutes rotational structure, and the outer shape of baffle is in arc Shape.
Optionally, the dust-collecting box includes sieve, turnover panel and shaft, and the sieve is located at the inside of dust-collecting box, and sieves The bottom of net is provided with turnover panel, is equipped with shaft between the turnover panel and dust-collecting box.
Optionally, it cooperates between the turnover panel and shaft and constitutes rotational structure, and is equal between shaft between turnover panel Horizontal direction along dust-collecting box is uniformly arranged.
The present invention provides a kind of industrial dedusting device with dirty filtering function, have it is following the utility model has the advantages that
1, this kind has the industrial dedusting device of dirty filtering function, and by the setting of inlet pipe, inlet pipe is located at the top of main body, and And it is provided with two groups simultaneously, two groups of inlet pipes can increase dust input, while the dust that can be generated to two equipment collects Middle processing greatly increases the working efficiency of device, and is threaded between inlet pipe and delivery pipe, is conducive in this way by inlet pipe It is disassembled and installed, conveying pipe outer wall is provided with pipe sleeve, and the setting of pipe sleeve is mainly used to protect delivery pipe, avoids conveying Pipe occurs shaking and damage.
2, this kind has the industrial dedusting device of dirty filtering function, by the way that mounting rack, the main function of mounting rack is arranged It is used to that cage is installed, for be combineding with each other between cage and dirt bag, the woven fabric material that dirt bag uses has flexibility, Dirt bag can be put between mounting rack and chassis, using the weight of stereotype, to make to be fitted tightly between mounting rack and chassis Together, and then fixation to dirt bag is completed, when stereotype moves up, spring can open mounting rack and chassis, conversely, working as lead When plate is fallen, it will increase the weight above mounting rack, and then push mounting rack, make to be fitted tightly over one between mounting rack and chassis It rises, can thus install dirt bag.
3. this kind has the industrial dedusting device of dirty filtering function, by the setting of opening-closing plate, it is arranged among opening-closing plate There is valve, is connection relationship between valve and sensor, the model ZRN603A that sensor uses, sensor can acquire open The weight information of dust on plywood, and react to central processing system, and then open valve, complete the discharge of dust, baffle It cooperates between connecting shaft and constitutes rotating mechanism, baffle can prevent dust from leaking out, and after valve is opened, baffle can utilize company Spindle, and then open.
4. this kind has the industrial dedusting device of dirty filtering function, by the setting of dust-collecting box, the inside of dust-collecting box is set Set sieve, sieve can again be filtered dust, avoid also containing soil in dust, dust after the filtering of sieve, Can fall on turnover panel, between turnover panel and shaft cooperate constitute rotating mechanism, turnover panel in vertical state when, dust can normally from It is leaked out in gap between turnover panel, conversely, dust stills remain on turnover panel, turnover panel is set, is conducive to carry out concentration row to dust It puts, dust is avoided to be scattered leakage.
5. this kind has the industrial dedusting device of dirty filtering function, by the setting of cage, phase between cage and dirt bag It connecting, the two is integrated, and cage can help dirt bag to carry out shaping, and cage is using light steel hollow material, and one It not will increase weight, two reduce economic cost, and cage one is divided into three groups, and three groups of cages are attached by fishplate bar, are connect Plate can will be threadedly coupled between cage, one facilitate it is convenient cage is dismantled, on the other hand, facilitate carry out it is mobile and Transport, greatly increases the flexibility of cage.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention;
Fig. 2 is dust-collecting box schematic diagram of internal structure of the present invention;
Fig. 3 is cage structural schematic diagram of the present invention;
Fig. 4 is opening-closing plate structural schematic diagram of the present invention;
Fig. 5 is mounting rack structural schematic diagram of the present invention.
In figure: 1, main body;2, blower;3, inlet pipe;4, delivery pipe;5, pipe sleeve;6, discharge pipe;7, mounting rack;701, chassis; 702, spring;703, connecting rod;704, stereotype;8, cage;801, dirt bag;802, funnel;803, fishplate bar;804, filter plate;9, every From plate;10, damping spring;11, opening-closing plate;1101, valve;1102, baffle;1103, connecting shaft;1104, sensor;12, collect Dirt box;1201, sieve;1202, turnover panel;1203, shaft;13, treatment box;14, spray head;15, water pipe;16, water tank;17, bottom plate; 18, hydraulic stem;19, dust bag.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more;Term " on ", The orientation or positional relationship of the instructions such as "lower", "left", "right", "inner", "outside", " front end ", " rear end ", " head ", " tail portion " is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair Limitation of the invention.In addition, term " first ", " second ", " third " etc. are used for description purposes only, and should not be understood as instruction or Imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " connected " " connects Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected;It can be machine Tool connection, is also possible to be electrically connected;It can be directly connected, it can also be indirectly connected through an intermediary.For this field For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Fig. 1 to Fig. 5 is please referred to, the present invention provides a kind of technical solution: a kind of industrial dedusting with dirty filtering function Device, including main body 1 and mounting rack 7, the top of main body 1 is equipped with inlet pipe 3, and is equipped with delivery pipe between inlet pipe 3 and main body 1 4, the outside of delivery pipe 4 is provided with pipe sleeve 5, is sticky connection between pipe sleeve 5 and delivery pipe 4, is between delivery pipe 4 and inlet pipe 3 It being fitting to connection, the positioned inside of main body 1 has blower 2, it is respectively connected with discharge pipe 6 at left and right sides of the lower section of blower 2, mounting rack 7 Lower section is placed with cage 8, and mounting rack 7 is located at the lower section of discharge pipe 6, and cage 8 includes dirt bag 801, funnel 802, fishplate bar 803 With filter plate 804, dirt bag 801 is located at the inner surface of cage 8, and the centre of cage 8 is provided with fishplate bar 803, the inside peace of cage 8 It is equipped with funnel 802, and the bottom of cage 8 is provided with filter plate 804, is connected with each other between cage 8 and dirt bag 801, the two is integrated Change structure, cage 8 can help dirt bag 801 to carry out shaping, it is threadedly coupled between cage 8 and fishplate bar 803, and funnel 802 Vertical centerline and the vertical centerline of cage 8 overlap, and funnel 802 is placed equidistant with along the vertical centerline of cage 8, Fishplate bar 803 can will be threadedly coupled between cage 8, one facilitate it is convenient cage 8 is dismantled, on the other hand, it is convenient into Row is mobile and transports, and greatly increases the flexibility of cage 8;Mounting rack 7 includes chassis 701, spring 702, connecting rod 703 and lead Plate 704, chassis 701 are located at the bottom of mounting rack 7, and the left and right sides is respectively connected with spring 702 between mounting rack 7 and chassis 701, Connecting rod 703 is located at the top of mounting rack 7, and the surface of connecting rod 703 is provided with stereotype 704, and the main function of mounting rack 7 is just It is for installing cage 8, for be combineding with each other between cage 8 and dirt bag 801, the woven fabric material that dirt bag 801 uses has soft It is soft, dirt bag 801 can be put between mounting rack 7 and chassis 701, mounting rack 7 passes through phase between spring 702 and chassis 701 It connects, while the inner structure size of stereotype 704 matches with the external structure size of connecting rod 703, and connecting rod 703 It cooperates between stereotype 704 and constitutes slide construction, when stereotype 704 is fallen, will increase the weight of 7 top of mounting rack, into And mounting rack 7 is pushed, make to fit closely together between mounting rack 7 and chassis 701;The intermediate lower section of blower 2 is fixed with isolation Plate 9, and isolation board 9 is internally provided with damping spring 10, is fixedly welded between isolation board 9 and main body 1, the lower section of cage 8 It is provided with opening-closing plate 11, and the lower section of opening-closing plate 11 is equipped with dust-collecting box 12, opening-closing plate 11 includes valve 1101, baffle 1102, connecting shaft 1103 and sensor 1104, valve 1101 is located at the centre of opening-closing plate 11, and the surface of opening-closing plate 11 is provided with Baffle 1102, the centre of baffle 1102 are equipped with connecting shaft 1103, and the surface of valve 1101 is mounted with sensor 1104, opening-closing plate It is provided with valve 1101 among 11, is connection relationship, baffle 1102 and connecting shaft 1103 between valve 1101 and sensor 1104 Between cooperate and constitute rotational structure, and the outer shape of baffle 1102 is arc-shaped, and baffle 1102 can prevent dust from leaking out, After valve 1101 is opened, baffle 1102 can utilize connecting shaft 1103, and then open;The positioned beneath of dust-collecting box 12 has treatment box 13, and the left and right sides for the treatment of box 13 is mounted on spray head 14, the rear side of spray head 14 is connected with water pipe 15, and water pipe 15 is far from spray First 14 one end is placed with water tank 16, to be fitting to connection between water pipe 15 and treatment box 13, the interior bottom portion or so for the treatment of box 13 Two sides are mounted on bottom plate 17, and the lower section of bottom plate 17 is equipped with hydraulic stem 18, is connected with dust among the lower section for the treatment of box 13 Bag 19, and to be fitting to connection between dust bag 19 and treatment box 13, dust-collecting box 12 includes sieve 1201, turnover panel 1202 and shaft 1203, sieve 1201 is located at the inside of dust-collecting box 12, and the bottom of sieve 1201 is provided with turnover panel 1202, turnover panel 1202 and dust Shaft 1203 is installed, by the setting of dust-collecting box 12, sieve 1201, sieve 1201 is arranged in the inside of dust-collecting box 12 between box 12 Dust can be filtered again, avoid also containing soil in dust, cooperate structure between turnover panel 1202 and shaft 1203 At rotational structure, and the horizontal direction between turnover panel 1202 between shaft 1203 along dust-collecting box 12 is uniformly arranged, and setting is turned over Plate 1202 is conducive to carry out concentration discharge to dust, and dust is avoided to be scattered leakage.
In conclusion this kind has the industrial dedusting device of dirty filtering function, in use, starting blower 2 first, utilize The wind-force of blower 2 makes dust enter the inside of main body 1 by inlet pipe 3 and delivery pipe 4, then enters mounting rack 7 by discharge pipe 6 In the dirt bag 801 of the cage 8 of lower section, dust can be filtered screening by the funnel 802 inside dirt bag 801, from 8 bottom of cage Filter plate 804 leak out, later, as the dust on opening-closing plate 11 is more and more, sensor 1104 will do it adopting for weight information Collection can open valve 1101 when reaching constant weight, after valve 1101 is opened, using baffle 1102 and connecting shaft 1103 it Between rotation relation, baffle 1102 can be made to rotate down, so by dust concentration discharge into dust-collecting box 12, utilize dust-collecting box 12 In sieve 1201 dust is filtered, then, the dust by sieving is able to enter the bottom of dust-collecting box 12, utilizes turnover panel Rotation relation between 1202 and shaft 1203, and then turnover panel 1202 can be dug to the right, make the perpendicular shape of turnover panel 1202, Dust can leak out between turnover panel 1202 in this way, and then, dust enters in treatment box 13, and spray head 14 can be to the inside for the treatment of box 13 Atomizing spray is carried out, the humidity of dust is reinforced, stressed principle, hydraulic stem 18 can be increased using hydraulic stem 18 with compressed air Bottom plate 17 can be jacked up upwards, dust can be concentrated among the bottom for the treatment of box 13 in this way, and from intermediate position It leaks into dust bag 19.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (9)

1. a kind of industrial dedusting device with dirty filtering function, including main body (1) and mounting rack (7), it is characterised in that: institute It states and is equipped at the top of main body (1) inlet pipe (3), and delivery pipe (4), the delivery pipe are installed between inlet pipe (3) and main body (1) (4) be provided on the outside of pipe sleeve (5), be sticky connection between the pipe sleeve (5) and delivery pipe (4), the delivery pipe (4) with into It manages to be fitting to connection between (3), the positioned inside of the main body (1) has blower (2), at left and right sides of the lower section of the blower (2) It is respectively connected with discharge pipe (6), is placed with cage (8) below the mounting rack (7), and mounting rack (7) is located at discharge pipe (6) The intermediate lower section of lower section, the blower (2) is fixed with isolation board (9), and isolation board (9) is internally provided with damping spring (10), it is to be fixedly welded between the isolation board (9) and main body (1), is provided with opening-closing plate (11) below the cage (8), And dust-collecting box (12) are installed below opening-closing plate (11), the positioned beneath of the dust-collecting box (12) has treatment box (13), and locates It is mounted on spray head (14), is connected with water pipe (15) on rear side of the spray head (14), and water pipe at left and right sides of reason case (13) (15) one end far from spray head (14) is placed with water tank (16), to be fitting to connection between the water pipe (15) and treatment box (13), It is mounted on bottom plate (17) at left and right sides of the interior bottom portion of the treatment box (13), and hydraulic stem is installed below bottom plate (17) (18), it is connected with dust bag (19) among the lower section of the treatment box (13), and is between dust bag (19) and treatment box (13) It is fitting to connection.
2. a kind of industrial dedusting device with dirty filtering function according to claim 1, it is characterised in that: the peace Shelving (7) includes chassis (701), spring (702), connecting rod (703) and stereotype (704), and the chassis (701) is located at installation The bottom of frame (7), and the left and right sides is respectively connected with spring (702), the connecting rod between mounting rack (7) and chassis (701) (703) it is located at the top of mounting rack (7), and the surface of connecting rod (703) is provided with stereotype (704).
3. a kind of industrial dedusting device with dirty filtering function according to claim 2, it is characterised in that: the peace (7) are shelved by being connected with each other between spring (702) and chassis (701), while the inner structure size of stereotype (704) and connection The external structure size of bar (703) matches, and cooperates between connecting rod (703) and stereotype (704) and constitute sliding knot Structure.
4. a kind of industrial dedusting device with dirty filtering function according to claim 1, it is characterised in that: the cage Frame (8) includes dirt bag (801), funnel (802), fishplate bar (803) and filter plate (804), and the dirt bag (801) is located at cage (8) Inner surface, and the centre of cage (8) is provided with fishplate bar (803), and the positioned inside of the cage (8) has funnel (802), and The bottom of cage (8) is provided with filter plate (804).
5. a kind of industrial dedusting device with dirty filtering function according to claim 4, it is characterised in that: the cage To be threadedly coupled between frame (8) and fishplate bar (803), and the vertical centerline phase of the vertical centerline of funnel (802) and cage (8) It is mutually overlapped, and funnel (802) is placed equidistant with along the vertical centerline of cage (8).
6. a kind of industrial dedusting device with dirty filtering function according to claim 1, it is characterised in that: described to open Plywood (11) includes valve (1101), baffle (1102), connecting shaft (1103) and sensor (1104), the valve (1101) It is provided with baffle (1102) positioned at the surface of the centre of opening-closing plate (11), and opening-closing plate (11), the centre of the baffle (1102) It is equipped with connecting shaft (1103), the surface of the valve (1101) is mounted with sensor (1104).
7. a kind of industrial dedusting device with dirty filtering function according to claim 6, it is characterised in that: the gear It cooperates between plate (1102) and connecting shaft (1103) and constitutes rotational structure, and the outer shape of baffle (1102) is arc-shaped.
8. a kind of industrial dedusting device with dirty filtering function according to claim 1, it is characterised in that: the collection Dirt box (12) includes sieve (1201), turnover panel (1202) and shaft (1203), and the sieve (1201) is located at dust-collecting box (12) Inside, and the bottom of sieve (1201) is provided with turnover panel (1202), is installed between the turnover panel (1202) and dust-collecting box (12) There are shaft (1203).
9. a kind of industrial dedusting device with dirty filtering function according to claim 8, it is characterised in that: described to turn over It cooperates between plate (1202) and shaft (1203) and constitutes rotational structure, and between turnover panel (1202) between shaft (1203) Horizontal direction along dust-collecting box (12) is uniformly arranged.
CN201910318390.XA 2019-04-19 2019-04-19 Industrial dust removal device with dirty filtering capability Active CN110013722B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910318390.XA CN110013722B (en) 2019-04-19 2019-04-19 Industrial dust removal device with dirty filtering capability

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Application Number Priority Date Filing Date Title
CN201910318390.XA CN110013722B (en) 2019-04-19 2019-04-19 Industrial dust removal device with dirty filtering capability

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CN110013722A true CN110013722A (en) 2019-07-16
CN110013722B CN110013722B (en) 2021-05-07

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112748054A (en) * 2020-12-27 2021-05-04 常州市双固顿达机电科技有限公司 Non-woven fabric filtering performance detection method and detection device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1563465A (en) * 1976-12-20 1980-03-26 Ppg Industries Inc Recovery of refractory hard metal powder product
CN105999963A (en) * 2016-07-14 2016-10-12 旌德县龙强净化材料厂 Spraying dust removal device for preparation of activated carbon from forestry and agricultural waste

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1563465A (en) * 1976-12-20 1980-03-26 Ppg Industries Inc Recovery of refractory hard metal powder product
CN105999963A (en) * 2016-07-14 2016-10-12 旌德县龙强净化材料厂 Spraying dust removal device for preparation of activated carbon from forestry and agricultural waste

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112748054A (en) * 2020-12-27 2021-05-04 常州市双固顿达机电科技有限公司 Non-woven fabric filtering performance detection method and detection device
CN112748054B (en) * 2020-12-27 2022-04-08 常州市双固顿达机电科技有限公司 Non-woven fabric filtering performance detection method and detection device

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