CN114832538B - Automatic oil smoke separating device for main oil tank - Google Patents
Automatic oil smoke separating device for main oil tank Download PDFInfo
- Publication number
- CN114832538B CN114832538B CN202210335392.1A CN202210335392A CN114832538B CN 114832538 B CN114832538 B CN 114832538B CN 202210335392 A CN202210335392 A CN 202210335392A CN 114832538 B CN114832538 B CN 114832538B
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- CN
- China
- Prior art keywords
- oil
- rod
- piece
- inner pipeline
- absorbing
- Prior art date
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- 239000000779 smoke Substances 0.000 title claims abstract description 40
- 238000000926 separation method Methods 0.000 claims abstract description 29
- 229920000742 Cotton Polymers 0.000 claims abstract description 22
- 230000008602 contraction Effects 0.000 claims abstract description 6
- 239000003517 fume Substances 0.000 claims description 17
- 238000001179 sorption measurement Methods 0.000 claims description 16
- 238000010521 absorption reaction Methods 0.000 claims description 9
- 239000004519 grease Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims 1
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 86
- 238000010586 diagram Methods 0.000 description 6
- 239000012208 gear oil Substances 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- B01D46/30—Particle separators, e.g. dust precipitators, using loose filtering material
Abstract
The application discloses an automatic oil smoke separating device of a main oil tank, which comprises a shell and an oil smoke separating unit, wherein the shell comprises an outer pipeline and an inner pipeline, the inner pipeline is arranged in the outer pipeline, an air inlet and an air outlet are arranged at two ends of the inner pipeline, a first oil outlet is arranged at the bottom of the inner pipeline, a second oil outlet is arranged at the bottom of the outer pipeline, the oil smoke separating unit comprises an absorbing part arranged in the inner pipeline, an oil removing part arranged above the inner pipeline and a contraction part matched with the absorbing part, a window for the absorbing part to move is arranged at the top of the inner pipeline, and the absorbing part is attached to the inner pipeline when the absorbing part is in a vertical state. The device can absorb oil in the smoke through the oil smoke separation unit, reduce environmental pollution and recycle the oil at the same time, thereby playing the roles of energy conservation and environmental protection; the oil absorbing cotton can be reused, frequent replacement is not needed, and the service life of the device is longer.
Description
Technical Field
The application relates to the technical field of automatic oil fume separation, in particular to an automatic oil fume separation device for a main oil tank.
Background
The high-speed turbine rotating shaft is connected to the input end of the gear oil tank through a high-speed coupling, and after the speed is reduced, the output end of the gear oil tank is connected to the input shaft of the generator through a low-speed coupling, so that the generator is driven to generate electricity. The gear needs lubricating oil to lubricate continuously in the working process, and oil temperature is high due to high rotating speed, so that a large amount of oil smoke is generated, and the oil smoke is directly discharged into a workshop through an oil fume discharging pipe above the gear oil tank. The unit runs for a long time, a large amount of grease is contained in the oil fume and is collected for a long time, a large amount of greasy dirt is accumulated at the top of the gear oil tank, environmental space pollution is serious, the oil cannot be recovered, and waste is caused.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the application and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the application and in the title of the application, which may not be used to limit the scope of the application.
The present application has been made in view of the above-mentioned and/or existing problems in the automatic separation device of oil and smoke in a main oil tank.
Therefore, the application aims to solve the problem of providing an automatic oil fume separating device for a main oil tank.
In order to solve the technical problems, the application provides the following technical scheme: the automatic oil smoke separating device of the main oil tank comprises a shell, wherein the shell comprises an outer pipeline and an inner pipeline, an air inlet and an air outlet are formed in two ends of the inner pipeline, a first oil outlet is formed in the bottom of the inner pipeline, and a second oil outlet is formed in the bottom of the outer pipeline; the oil smoke separation unit is arranged on the inner pipeline and comprises an absorption part arranged in the inner pipeline, an oil removing part arranged above the inner pipeline and a contraction part matched with the absorption part, wherein a window for the absorption part to move is arranged at the top of the inner pipeline, and when the absorption part is in a vertical state, the absorption part is attached to the inner pipeline; the contraction piece comprises a connecting column fixed at two ends of the absorption piece, a first gear arranged at two ends of the connecting column, a second gear matched with the first gear through a synchronous belt, a first shaft fixedly connected with the second gear, a second rod vertically connected with the first shaft, a third rod vertically connected with the second rod, a track matched with the third rod, and a driving piece for driving the first shaft and the connecting column to move; the rail is provided with a plurality of sliding grooves which are in sliding fit with the third rod, the sliding grooves comprise horizontal sections and inclined sections, the inclined sections are arranged at one ends of the horizontal sections, the inclined directions are inclined downwards, and the inclined angles are 45 degrees; when the adsorption piece is in a horizontal state, the horizontal section is parallel to the second rod; the track is fixed on the inner wall of the outer pipeline.
As a preferable scheme of the automatic separation device for the oil smoke of the main oil tank, the application comprises the following steps: the oil removing piece comprises an upper roller and a lower roller which are fixed on the track, and the upper roller and the lower roller are positioned between the upper roller and the lower roller when the absorbing piece is in a horizontal state.
As a preferable scheme of the automatic separation device for the oil smoke of the main oil tank, the application comprises the following steps: the adsorption piece comprises a frame body fixedly connected with the connecting column and oil absorbing cotton arranged in the frame body, and a plurality of air holes are formed in the oil absorbing cotton in an array mode.
As a preferable scheme of the automatic separation device for the oil smoke of the main oil tank, the application comprises the following steps: the driving piece comprises a moving block, a first threaded rod in threaded fit with the moving block, a first auxiliary rod in sliding fit with the moving block, and a first motor for driving the first threaded rod to rotate, wherein a connecting rod fixedly connected with the first shaft and the connecting column is arranged on the moving block.
As a preferable scheme of the automatic separation device for the oil smoke of the main oil tank, the application comprises the following steps: the oil smoke separation unit further comprises a shielding piece matched with the window, the shielding piece comprises a shielding plate matched with the inner pipeline in a sliding mode, and an L-shaped rod connected to the connecting rod, and the L-shaped rod is fixedly connected with the shielding plate.
As a preferable scheme of the automatic separation device for the oil smoke of the main oil tank, the application comprises the following steps: the inner pipeline is provided with a first groove for the shielding plate to move and a second groove for the L-shaped rod to move.
As a preferable scheme of the automatic separation device for the oil smoke of the main oil tank, the application comprises the following steps: when the adsorption piece is in a vertical state, the shielding plate is attached to the frame body.
As a preferable scheme of the automatic separation device for the oil smoke of the main oil tank, the application comprises the following steps: the bottom of the outer pipeline is provided with an oil storage tank, and the second oil outlet is arranged on the oil storage tank.
As a preferable scheme of the automatic separation device for the oil smoke of the main oil tank, the application comprises the following steps: the gap between the upper roller and the lower roller is the same as the thickness of the frame body, and the thickness of the oil absorbing cotton is larger than that of the frame body.
As a preferable scheme of the automatic separation device for the oil smoke of the main oil tank, the application comprises the following steps: the first gear has the same number of teeth as the second gear.
The application has the beneficial effects that: the oil in the smoke can be absorbed through the oil smoke separation unit, so that the environmental pollution is reduced, and meanwhile, the oil can be recovered, and the effects of energy conservation and environmental protection are achieved; the oil absorbing cotton can be reused, frequent replacement is not needed, and the service life of the device is longer.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
fig. 1 is a structural diagram of an automatic oil-fume separating device of a main oil tank.
Fig. 2 is a schematic diagram of a fume separation unit and an inner pipeline of the fume automatic separation device of the main oil tank.
Fig. 3 is a diagram of a driving member structure of the automatic separation device of the oil fume in the main oil tank.
Fig. 4 is a drawing of a contraction member structure of the automatic separation device for fume in the main oil tank.
Fig. 5 is a schematic diagram of a chute of the automatic oil-fume separating device of the main oil tank.
Fig. 6 is a schematic diagram of an oil removing part of the automatic oil and smoke separating device of the main oil tank.
Fig. 7 is a block diagram of the automatic separation device of the fume in the main oil tank.
Detailed Description
In order that the above-recited objects, features and advantages of the present application will become more readily apparent, a more particular description of the application will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present application is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the application. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 to 7, in a first embodiment of the present application, there is provided an automatic main tank oil smoke separating apparatus including a housing 100 and an oil smoke separating unit 200.
Specifically, the shell 100 comprises an outer pipe 101 and an inner pipe 102, the inner pipe 102 is arranged in the outer pipe 101, an air inlet 102a and an air outlet 102b are arranged at two ends of the inner pipe 102, a first oil outlet 102g is arranged at the bottom of the inner pipe 102, and a second oil outlet 101a is arranged at the bottom of the outer pipe 101.
The oil smoke separation unit 200 is disposed on the inner pipe 102, and comprises an adsorption member 201 disposed inside the inner pipe 102, an oil removing member 202 disposed above the inner pipe 102, and a shrinkage member 203 matched with the adsorption member 201, wherein a window 102c for the adsorption member 201 to move is disposed at the top of the inner pipe 102, and when the adsorption member 201 is in a vertical state, the adsorption member 201 is attached to the inner pipe 102.
The contracting member 203 comprises a connecting column 203a fixed at two ends of the absorbing member 201, a first gear 203b arranged at two ends of the connecting column 203a, a second gear 203d matched with the first gear 203b through a synchronous belt 203c, a first shaft 203e fixedly connected with the second gear 203d, a second rod 203f vertically connected with the first shaft 203e, a third rod 203g vertically connected with the second rod 203f, a track 203h matched with the third rod 203g, and a driving member 203j driving the first shaft 203e and the connecting column 203a to move; the track 203h is provided with a plurality of sliding grooves 203h-1 in sliding fit with the third rod 203g, the sliding grooves 203h-1 comprise a horizontal section 203h-11 and an inclined section 203h-12, the inclined section 203h-12 is arranged at one end of the horizontal section 203h-11, the inclined direction is inclined downwards, and the inclined angle is 45 degrees, so that in this case, when the adsorbing member 201 changes from the vertical state to the horizontal state, too great interference between the adsorbing member 201 and the shielding plate 204a does not occur, thereby causing the structure to be blocked. When the adsorbing member 201 is in a horizontal state, the horizontal section 203h-11 is parallel to the second rod 203 f. The rail 203h is fixed to the inner wall of the outer pipe 101.
Further, the oil removing member 202 includes an upper roller 202a and a lower roller 202b fixed on the rail 203h, and the upper roller 202a and the lower roller 202b are positioned between the upper roller 202a and the lower roller 202b when the adsorbing member 201 is in a horizontal state.
The adsorption piece 201 comprises a frame 201a fixedly connected with the connecting column 203a, and oil absorbing cotton 201b arranged in the frame 201a, wherein a plurality of air holes 201b-1 are arranged on the oil absorbing cotton 201b in an array manner.
Preferably, the driving member 203j includes a moving block 203j-1, a first threaded rod 203j-2 in threaded engagement with the moving block 203j-1, a first auxiliary rod 203j-3 in sliding engagement with the moving block 203j-1, and a first motor 203j-4 for driving the first threaded rod 203j-2 to rotate, where the moving block 203j-1 is provided with a connecting rod 203j-11 fixedly connected to the first shaft 203e and the connecting post 203 a.
The fume separation unit 200 further comprises a shielding member 204 matched with the window 102c, wherein the shielding member 204 comprises a shielding plate 204a matched with the inner pipeline 102 in a sliding manner, and an L-shaped rod 204b connected to the connecting rod 203j-11, and the L-shaped rod 204b is fixedly connected with the shielding plate 204 a. The inner pipe 102 is provided with a first groove 102e for the shielding plate 204a to move and a second groove 102f for the L-shaped rod 204b to move.
It should be noted that, when the adsorbing member 201 is in the vertical state, the shielding plate 204a is attached to the frame 201a, that is, the smoke must pass through the oil absorbing cotton 201b, so that the oil in the smoke is absorbed by the oil absorbing cotton 201 b.
Preferably, an oil storage tank 101b is disposed at the bottom of the outer pipe 101, and the second oil outlet 101a is disposed on the oil storage tank 101 b. The gap between the upper roller 202a and the lower roller 202b is the same as the thickness of the frame 201a, and the thickness of the oil absorbing cotton 201b is greater than the thickness of the frame 201 a.
The first gear 203b has the same number of teeth as the second gear 203 d. The advantage of this arrangement is that the second rod 203f will be parallel to the suction member 201, when the second rod 203f is vertical, the suction member 201 will be vertical, and when the second rod 203f is horizontal, the suction member 201 will be horizontal.
For convenience of description, in the initial state, the adsorbing member 201 is defined to be in a vertical state, at this time, the plurality of adsorbing members 201 are clamped in the inner pipe 102, the adsorbing members 201 are attached to the inner side wall of the inner pipe 102, and the shielding plate 204a is attached to the frame 201a, so that the window 102c is completely blocked, the smoke can only pass through the oil absorbing cotton 201b, and can flow out of the air outlet 102b, after passing through the plurality of oil absorbing cotton 201b, the grease in the smoke is absorbed by the plurality of oil absorbing cotton 201b, the oil-free air is discharged through the air outlet 102b, after the oil absorbing cotton 201b absorbs the oil smoke for a period of time, the first motor 203j-4 drives the first threaded rod 203j-2 to rotate, the moving block 203j-1 moves, the moving block 203j-1 drives the first shaft 203e and the connecting post 203a through the connecting rod 203j-11, so that the third rod 203g moves from the inclined section 203h-12 to the horizontal section 203h-11, in this process, the absorbing member 201 rotates under the action of the timing belt 203c while moving, and since the shielding plate 204a is connected to the connecting rod 203j-11, during the whole moving process, the shielding plate 204a does not interfere with the absorbing member 201 too much, when the second rod 203f is in a horizontal state, the absorbing member 201 also becomes in a horizontal state, at this time, the moving block 203j-1 continues to move, the absorbing member 201 passes through the upper roller 202a and the lower roller 202b, so that grease in the oil absorbing cotton 201b is squeezed by the two rollers, the squeezed grease falls out of the housing 100 through the window 102c at the bottom of the inner pipe 102, sequentially through the first oil outlet 102g and the second oil outlet 101a, achieving the effect of separating the oil fume, it should be noted that when the absorbing member 201 is changed from the horizontal state to the vertical state, the shielding plate 204a will abut against the suction member 201, so that the suction member 201 can be rotated to the vertical state at most.
It should be noted that the above embodiments are only for illustrating the technical solution of the present application and not for limiting the same, and although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present application may be modified or substituted without departing from the spirit and scope of the technical solution of the present application, which is intended to be covered in the scope of the claims of the present application.
Claims (4)
1. The utility model provides a main oil tank oil smoke autosegregation device which characterized in that: comprising the steps of (a) a step of,
the shell (100) comprises an outer pipeline (101) and an inner pipeline (102), wherein an air inlet (102 a) and an air outlet (102 b) are formed in two ends of the inner pipeline (102), a first oil outlet (102 g) is formed in the bottom of the inner pipeline (102), and a second oil outlet (101 a) is formed in the bottom of the outer pipeline (101);
the oil smoke separation unit (200) is arranged on the inner pipeline (102) and comprises an adsorption piece (201) arranged inside the inner pipeline (102), an oil removing piece (202) arranged above the inner pipeline (102) and a contraction piece (203) matched with the adsorption piece (201), wherein a window (102 c) for the adsorption piece (201) to move is arranged at the top of the inner pipeline (102), and when the adsorption piece (201) is in a vertical state, the adsorption piece is attached to the inner pipeline (102);
the contraction member (203) comprises a connecting column (203 a) fixed at two ends of the absorption member (201), a first gear (203 b) arranged at two ends of the connecting column (203 a), a second gear (203 d) matched with the first gear (203 b) through a synchronous belt (203 c), a first shaft (203 e) fixedly connected with the second gear (203 d), a second rod (203 f) vertically connected with the first shaft (203 e), a third rod (203 g) vertically connected with the second rod (203 f), a track (203 h) matched with the third rod (203 g), and a driving member (203 j) for driving the first shaft (203 e) and the connecting column (203 a) to move; the track (203 h) is provided with a plurality of sliding grooves (203 h-1) which are in sliding fit with the third rod (203 g), the sliding grooves (203 h-1) comprise a horizontal section (203 h-11) and an inclined section (203 h-12), the inclined section (203 h-12) is arranged at one end of the horizontal section (203 h-11), the inclined direction is downward inclination, and the inclined angle is 45 degrees; when the adsorbing member (201) is in a horizontal state, the horizontal section (203 h-11) is parallel to the second rod (203 f);
the track (203 h) is fixed on the inner wall of the outer pipeline (101);
the oil removing member (202) comprises an upper roller (202 a) and a lower roller (202 b) fixed on the track (203 h), wherein the upper roller (202 a) and the lower roller (202 b) are positioned between the upper roller (202 a) and the lower roller (202 b) when the absorbing member (201) is in a horizontal state;
the adsorption piece (201) comprises a frame body (201 a) fixedly connected with the connecting column (203 a) and oil absorption cotton (201 b) arranged in the frame body (201 a), and a plurality of air holes (201 b-1) are formed in the oil absorption cotton (201 b) in an array manner;
the driving piece (203 j) comprises a moving block (203 j-1), a first threaded rod (203 j-2) in threaded fit with the moving block (203 j-1), a first auxiliary rod (203 j-3) in sliding fit with the moving block (203 j-1), and a first motor (203 j-4) for driving the first threaded rod (203 j-2) to rotate, wherein the moving block (203 j-1) is provided with a connecting rod (203 j-11) fixedly connected with the first shaft (203 e) and the connecting column (203 a);
the oil smoke separation unit (200) further comprises a shielding piece (204) matched with the window (102 c), the shielding piece (204) comprises a shielding plate (204 a) matched with the inner pipeline (102) in a sliding mode, and an L-shaped rod (204 b) connected to the connecting rod (203 j-11), and the L-shaped rod (204 b) is fixedly connected with the shielding plate (204 a);
the inner pipeline (102) is provided with a first groove (102 e) for the shielding plate (204 a) to move and a second groove (102 f) for the L-shaped rod (204 b) to move;
when the adsorption piece (201) is in a vertical state, the shielding plate (204 a) is attached to the frame body (201 a);
in the initial state, the absorbing piece (201) is in a vertical state, at the moment, the absorbing pieces (201) are clamped in the inner pipeline (102), the absorbing piece (201) is attached to the inner side wall of the inner pipeline (102), the shielding plate (204 a) is attached to the frame (201 a) at the moment, the window (102 c) is completely blocked, so that smoke can only flow out of the air outlet (102 b) after passing through the oil absorbing cotton (201 b), grease in the smoke is absorbed by the oil absorbing cotton (201 b) through the air outlet (102 b), oil-free gas is discharged through the air outlet (102 b), after the oil absorbing cotton (201 b) absorbs oil smoke for a period of time, the first threaded rod (203 j-2) is driven to rotate through the first motor (203 j-4), the moving block (203 j-1) is driven to move through the connecting rod (203 j-11), the first shaft (203 e) and the connecting column (203 a) are driven to move, the third rod (203 g) is driven to move from the inclined section (203 h-12) to the connecting rod (203 h-11), and simultaneously the moving block (203 j-1) moves in the horizontal section (203 h) and the connecting rod (203 h-11) is simultaneously in the process of moving the whole process, the shielding plate (204 a) and the absorbing piece (201) cannot interfere too much, when the second rod (203 f) is in a horizontal state, the absorbing piece (201) is also in a horizontal state, at the moment, the moving block (203 j-1) continues to move, the absorbing piece (201) can pass through the upper roller (202 a) and the lower roller (202 b), grease in the oil absorbing cotton (201 b) is squeezed through the two rollers, the squeezed grease falls into the bottom of the inner pipeline (102) through the window (102 c), and flows out of the shell (100) through the first oil outlet (102 g) and the second oil outlet (101 a) in sequence, so that the effect of oil smoke separation is achieved, and when the absorbing piece (201) is converted into a vertical state from the horizontal state, the shielding plate (204 a) can prop against the absorbing piece (201), so that the absorbing piece (201) can only rotate to the vertical state at most.
2. The automatic main tank fume separation device according to claim 1, wherein: an oil storage tank (101 b) is arranged at the bottom of the outer pipeline (101), and the second oil outlet (101 a) is arranged on the oil storage tank (101 b).
3. The automatic main tank fume separation device according to claim 2, wherein: the gap between the upper roller (202 a) and the lower roller (202 b) is the same as the thickness of the frame body (201 a), and the thickness of the oil absorbing cotton (201 b) is larger than the thickness of the frame body (201 a).
4. A main tank fume automatic separation device according to claim 3, wherein: the first gear (203 b) has the same number of teeth as the second gear (203 d).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210335392.1A CN114832538B (en) | 2022-03-31 | 2022-03-31 | Automatic oil smoke separating device for main oil tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210335392.1A CN114832538B (en) | 2022-03-31 | 2022-03-31 | Automatic oil smoke separating device for main oil tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114832538A CN114832538A (en) | 2022-08-02 |
| CN114832538B true CN114832538B (en) | 2023-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210335392.1A Active CN114832538B (en) | 2022-03-31 | 2022-03-31 | Automatic oil smoke separating device for main oil tank |
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| CN (1) | CN114832538B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116236878B (en) * | 2023-01-13 | 2023-08-01 | 哈尔滨工程大学 | Oil smoke separating device of aero-engine |
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| CA2678834A1 (en) * | 2009-09-14 | 2011-03-14 | Gea Houle Inc. | Manure separator with staged roller press |
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| JP2011255295A (en) * | 2010-06-08 | 2011-12-22 | Orion Machinery Co Ltd | Filter and oil-water separator |
| CN205360960U (en) * | 2015-11-11 | 2016-07-06 | 东莞市瑞宝机械设备有限公司 | Roller adsorbs extrusion retrieval and utilization formula exhaust -gas treatment equipment |
| CN107854923A (en) * | 2017-11-29 | 2018-03-30 | 安徽未名科键环境有限公司 | A kind of flue gas white-smoke-removing device |
| CN213114099U (en) * | 2020-07-03 | 2021-05-04 | 浙江丽康鞋材有限公司 | Wet paper sheet forming and dewatering device of middle base plate for comfortable water immersion-resistant shoes |
| CN112569753A (en) * | 2020-12-21 | 2021-03-30 | 天长市市政建筑有限责任公司 | High-efficient dampproofing processing apparatus for building engineering equipment |
| CN113274829A (en) * | 2021-05-06 | 2021-08-20 | 刘学文 | Coal dust exhaust treatment device |
| CN215352632U (en) * | 2021-07-29 | 2021-12-31 | 江苏登新流体科技有限公司 | Oil gas recovery device with multiple filtering effects |
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| CN114832538A (en) | 2022-08-02 |
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