CN216643781U - Water turbine multilayer laminated bearing respirator - Google Patents
Water turbine multilayer laminated bearing respirator Download PDFInfo
- Publication number
- CN216643781U CN216643781U CN202122757956.4U CN202122757956U CN216643781U CN 216643781 U CN216643781 U CN 216643781U CN 202122757956 U CN202122757956 U CN 202122757956U CN 216643781 U CN216643781 U CN 216643781U
- Authority
- CN
- China
- Prior art keywords
- oil
- collecting cup
- respirator
- filter screen
- oil collecting
- 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
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 15
- 238000003825 pressing Methods 0.000 claims description 22
- 238000007789 sealing Methods 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 13
- 238000007790 scraping Methods 0.000 claims description 7
- 238000003475 lamination Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 abstract description 21
- 239000003595 mist Substances 0.000 abstract description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000003517 fume Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 238000003915 air pollution Methods 0.000 abstract description 3
- 230000036541 health Effects 0.000 abstract description 3
- 239000002245 particle Substances 0.000 abstract description 3
- 239000007787 solid Substances 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 125
- 230000029058 respiratory gaseous exchange Effects 0.000 description 15
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Ventilation (AREA)
Abstract
The utility model provides a water turbine multilayer laminated bearing respirator and a using method thereof. The oil fume and oil mist gas containing a large amount of solid particles generated in the production process are effectively separated, the normal operation of production operation and the physical health of workers are guaranteed, and the problem of air pollution on site is effectively solved. The respirator can ensure that the inside of the bearing oil tank is the same as the outside, can ensure that the bearing oil tank exhausts smoothly, has good radiating effect and improves the reliability of equipment.
Description
Technical Field
The utility model relates to the field of respirators, in particular to a water turbine multi-layer laminated bearing respirator.
Background
Power station guide bearing oil groove includes: the thrust bearing oil groove, the upper guide bearing oil groove and the lower guide bearing oil groove are provided with two or more guide bearing oil groove respirators which are mainly used for exchanging air in the guide bearing oil grooves with the outside atmosphere in the running process of the unit,
the original oil fume exhaust device sucks oil mist in an oil basin out under the action of a centrifugal fan, the oil fume enters an oil mist separation collector through a connecting pipeline, and the oil mist is separated under the action of the oil mist separation collector. The separated oil enters the oil mist collecting box through an external oil return hose, and the separated gas enters the oil mist collecting box through the centrifugal fan and the connecting pipe and then is discharged into the surrounding environment. The structure principle of the original straight-through breather is that atomized oil is condensed into liquid oil in the breather after moving up and down in the breather and then returns to an oil groove of a guide bearing along the inner wall of the breather. The oil produced is severely atomized and the sealing performance is poor.
Chinese patent CN210979297U respirator and bearing oil tank. The respirator comprises: the middle part of the oil collecting cup is provided with a breathing cavity with both open upper and lower ends, and the upper side of the peripheral side wall is provided with a first breathing hole communicated with the breathing cavity; the sealing cover is fixed in the breathing cavity and positioned at the lower side of the first breathing hole, the peripheral side wall of the sealing cover is connected with the inner cavity wall of the breathing cavity, and the sealing cover is provided with a second breathing hole which is communicated up and down; the condensation plate is fixed in the breathing cavity and positioned between the sealing cover and the first breathing hole, the peripheral side wall of the condensation plate is connected with the inner cavity wall of the breathing cavity, and the condensation plate is provided with a third breathing hole which is communicated up and down; the pressure cover covers the upper end of the oil collecting cup, seals an opening at the upper end of the breathing cavity and surrounds the first breathing holes, and a breathing channel for communicating the first breathing holes with the outside is arranged between the pressure cover and the oil collecting cup. The oil is not discharged smoothly, and the blockage is easy to occur, so that the exhaust is not smooth.
Chinese patent CN209129820U a piston air compressor respirator, including respirator body, respirator body both ends are equipped with entrance point and exit end respectively, exit end top center department is equipped with the mounting hole, and the exit end lateral part is equipped with a plurality of exports, the direction of export is perpendicular with respirator body direction, inside pull rod, first bent plate, second bent plate and the flat board of being equipped with of respirator body, the pull rod sets up along respirator body direction, pull rod one end and mounting hole fixed connection, the pull rod other end in proper order perpendicularly passes the center of second bent plate, flat board and first bent plate, and respectively with second bent plate, flat board and first bent plate fixed connection. The oil of this structure adsorbs easily on the terminal surface of bent plate, leads to can not concentrate the oil extraction, blocks up exhaust passage easily.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a water turbine multilayer laminated bearing breather, which solves the problem that the structural principle of the prior straight-through breather is mainly that atomized oil is condensed into liquid oil in the breather after the atomized oil moves up and down in the breather, and then the liquid oil returns to a guide bearing oil groove along the inner wall of the breather. The oil generated by the oil atomizer is severely atomized, and the sealing effect is poor.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: the utility model provides a hydraulic turbine multilayer lamination formula bearing respirator, includes air guide cylinder and collection oil cup, and the air guide cylinder communicates with an album oil cup, and an album oil cup upper end is equipped with the exhaust hood and connects, collects the inside cavity of oil cup and the inside air discharge duct intercommunication of exhaust hood, collects the inside vortex device that is equipped with of oil cup, is equipped with a plurality of spoilers on the vortex device, the spoiler tip with be close to an oil cup inner wall, vortex device top still is equipped with the filter screen, the filter screen is established between exhaust hood and an album oil cup.
In the preferred scheme, the spoiler device includes oil pipe, and a plurality of spoilers are established on oil pipe, and the spoiler is the loudspeaker structure, and the spoiler horizontal cross-section diameter is crescent from bottom to top, and the spoiler is equipped with a plurality of oil guide holes with oil pipe junction, oil guide hole and oil pipe intercommunication.
In the preferred scheme, a first filter screen is arranged between the air guide cylinder and the oil collecting cup, and the oil outlet hole at the lower end of the oil guide pipe penetrates through the first filter screen and is communicated with the air guide cylinder.
In the preferred scheme, a second filter screen is arranged between the oil collecting cup and the exhaust hood, the oil collecting cup is in threaded connection or clamped connection with the exhaust hood, and the upper end of the oil guide pipe is clamped in the middle of the second filter screen or penetrates through the second filter screen and the exhaust hood.
In the preferred scheme, a scraping ring is further arranged in the gas cylinder, a pressing plate is arranged at the top of the exhaust hood, the scraping ring is connected with a transmission rod, and the transmission rod penetrates through the oil guide pipe and is connected with the pressing plate.
In the preferred scheme, the upper end of the oil guide pipe is connected with the transmission rod in a sealing and sliding manner, the upper end of the pressing plate is further provided with a plurality of handles, and the handles are folded and clamped inside the pressing plate.
In the preferred scheme, first filter screen and second filter screen set up respectively inside the mounting bracket, and the mounting bracket includes that frame body and lower frame body joint or threaded connection constitute, go up and be equipped with a plurality of fretworks in the frame body under and, go up the frame body and be equipped with the mounting hole with lower frame body middle part.
In the preferred scheme, the outer cover body of the exhaust hood is sleeved outside the oil collecting cup, an exhaust channel is formed between the outer cover body of the exhaust hood and the outer wall of the oil collecting cup, a conical flange is further arranged on the oil collecting cup, and the inclined surface of the flange is close to the lower end of the outer cover body.
In the preferred scheme, the bottom of the gas cylinder is also provided with a stretched sealing cover plate, and the lower end face of the sealing cover plate is provided with a rubber ring.
The utility model provides a multi-layer laminated bearing respirator of a water turbine, which can condense oil mist into oil drops in the process of passing through a spoiler to an oil guide pipe, the oil drops flow back to an oil groove, and filtered air is discharged. So that the pressure difference between the inside and the outside of the oil groove is kept consistent. The oil fume and oil mist gas containing a large amount of solid particles generated in the production process are effectively separated, the normal operation of production operation and the physical health of workers are guaranteed, and the problem of air pollution on site is effectively solved. The respirator can ensure that the inside of the bearing oil tank is the same as the outside, can ensure that the bearing oil tank exhausts smoothly, has good radiating effect and improves the reliability of equipment. The respirator can condense and recover volatilized oil gas, and volatilization leakage of lubricating oil of the bearing oil tank is reduced. The material is easy to obtain and simple to manufacture, can be stored for a long time, and is convenient to mount and dismount.
Drawings
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a view showing the overall appearance of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a front cross-sectional block diagram of the present invention;
FIG. 4 is a side cross-sectional structural view of the present invention;
FIG. 5 is a schematic view of a simple respirator of the present invention;
FIG. 6 is a disassembled view of the respirator of the present invention;
FIG. 7 is a block diagram of a turbulator in accordance with the present invention;
FIG. 8 is a front cross-sectional view of a spoiler in accordance with the present invention;
FIG. 9 is a disassembled view of the mounting bracket of the present invention;
FIG. 10 is a view showing the construction of the scraper ring mounting of the present invention;
in the figure: an air guide cylinder 1; a seal housing plate 101; an oil collecting cup 2; a flange 201; an exhaust hood 3; an exhaust groove 301; a pressing plate 4; a rubber ring 5; a flow disturbing device 6; a spoiler 601; an oil conduit 602; oil guide holes 603; an oil outlet 604; a transmission rod 7; a first screen 8; a second sieve 9; a mounting frame 10; an upper frame 1001; a lower frame body 1002; mounting holes 1003; a handle 11; a scraper ring 12.
Detailed Description
Example 1
As shown in fig. 1-10, a water turbine multilayer laminated bearing respirator, including gas guide tube 1 and oil collection cup 2, gas guide tube 1 and oil collection cup 2 intercommunication, oil collection cup 2 upper end is equipped with exhaust hood 3 and connects, the inside cavity of oil collection cup 2 communicates with the inside exhaust duct 301 of exhaust hood 3, the inside vortex device 6 that is equipped with of oil collection cup 2, be equipped with a plurality of spoilers 601 on the vortex device 6, the spoiler 601 tip with be close to oil collection cup 2 inner wall, vortex device 6 top still is equipped with the filter screen, the filter screen is established between exhaust hood 3 and oil collection cup 2. The oil mist filtering respirator can enable oil mist to be condensed into oil drops in the process of passing through the spoiler 601 to the oil guide pipe 602, the oil drops flow back to the oil groove, and filtered air is discharged. So that the pressure difference between the inside and the outside of the oil groove is kept consistent. The oil fume and oil mist gas containing a large amount of solid particles generated in the production process are effectively separated, the normal operation of production operation and the physical health of workers are guaranteed, and the problem of air pollution on site is effectively solved. The structure of the spoiler 601 is as shown in fig. 5 or 7-8, the structure of the spoiler 601 shown in fig. 5 is simple, and the structure of the spoiler 601 shown in fig. 7-8 facilitates oil drainage.
In a preferred scheme, the spoiler device 6 comprises an oil guide pipe 602, a plurality of spoilers 601 are arranged on the oil guide pipe 602, the spoilers 601 are of a horn structure, the horizontal section diameter of each spoiler 601 is gradually increased from bottom to top, a plurality of oil guide holes 603 are formed in the joints of the spoilers 601 and the oil guide pipe 602, and the oil guide holes 603 are communicated with the oil guide pipe 602. The flow plate 601 shown in fig. 7-8 is in a trumpet structure, and part of oil separated from oil mist is collected by the oil guide pipe 602 and then flows back to the oil tank.
In a preferable scheme, a first filter screen 8 is arranged between the gas cylinder 1 and the oil collecting cup 2, and an oil outlet 604 at the lower end of the oil conduit 602 penetrates through the first filter screen 8 to be communicated with the gas cylinder 1. The first screen 8 performs a preliminary filtering function. The first screen 8 also serves to support the function of the oil conduit 602.
In the preferred scheme, be equipped with second filter screen 9 between oil catcher 2 and the exhaust hood 3, oil catcher 2 and exhaust hood 3 threaded connection or joint lead oil pipe 602 upper end card in the middle part of second filter screen 9 or pass second filter screen 9 and exhaust hood 3. The second screen 9 also serves to hold the function of the oil conduit 602, the second screen 9 performing a secondary air filtering function.
In a preferable scheme, a scraping ring 12 is further arranged inside the gas cylinder 1, a pressing plate 4 is arranged at the top of the exhaust hood 3, the scraping ring 12 is connected with a transmission rod 7, and the transmission rod 7 penetrates through the oil guide pipe 602 and is connected with the pressing plate 4. The transmission rod 7 passes through the oil guide pipe 602 and is connected with the pressing plate 4. The pressing plate 4 controls the scraper ring 12 to clean the inner wall of the gas cylinder 1.
In the preferred scheme, the upper end of the oil guide pipe 602 is connected with the transmission rod 7 in a sealing and sliding manner, the upper end of the pressing plate 4 is also provided with a plurality of handles 11, and the handles 11 are folded and clamped inside the pressing plate 4. The handle 11 is used for conveniently pulling the pressing plate 4, and the upper end of the oil guide pipe 602 is connected with the transmission rod 7 in a sealing and sliding manner, so that the air leakage is prevented.
In the preferred scheme, the first filter screen 8 and the second filter screen 9 are respectively arranged inside the installation rack 10, the installation rack 10 comprises an upper frame body 1001 and a lower frame body 1002 which are connected in a clamping mode or in a threaded mode, a plurality of hollow parts are arranged on the upper frame body 1001 and the lower frame body 1002, and installation holes 1003 are formed in the middle of the upper frame body 1001 and the lower frame body 1002. First filter screen 8 and second filter screen 9 set up inside mounting bracket 10 respectively, and mounting bracket 10 is used for installing first filter screen 8 and second filter screen 9, and mounting bracket 10 plays the effect of support.
In the preferred scheme, the outer cover body of the exhaust hood 3 is sleeved outside the oil collecting cup 2, an exhaust channel is formed between the outer cover body of the exhaust hood 3 and the outer wall of the oil collecting cup 2, the oil collecting cup 2 is further provided with a conical flange 201, and the inclined surface of the flange 201 is close to the lower end of the outer cover body. The tapered rib 201 prevents part of the oil from flowing to the outer wall of the gas cylinder 1, which may cause the gas cylinder 1 to be disassembled in a later period, and also prevents other dust from entering the oil collecting cup 2.
In a preferred scheme, the bottom of the gas cylinder 1 is further provided with a protruding sealing cover plate 101, and the lower end face of the sealing cover plate 101 is provided with a rubber ring 5. The sealing cover plate 101 and the rubber ring 5 serve to seal the coupling position of the entire gas cartridge 1.
Example 2
As further described with reference to embodiment 1, the scraper ring 12 is first installed inside the gas cylinder 1, the first filter screen 8 is first installed on the gas cylinder 1, and then the oil collecting cup 2 is installed on the gas cylinder 1, as shown in fig. 1-10.
The spoiler 6 is mounted on a mounting 10 on the first screen 8, and the drive rod 7 of the scraper ring 12 passes through the first screen 8 and the spoiler 6.
The oil collecting cup 2 is provided with a second filter screen 9, the middle part of the second filter screen 9 is sleeved at the upper end of the oil guide pipe 602 of the turbulent flow device 6, the exhaust hood 3 is further arranged, and the middle part of the exhaust hood 3 is also sleeved at the upper end of the oil guide pipe 602 of the turbulent flow device 6.
The end part of the transmission rod 7 is provided with a pressing plate 4, the pressing plate 4 is pressed to abut against the upper end surface of the exhaust hood 3, and the pressing plate 4 and the exhaust hood 3 are magnetically attracted to prevent the pressing plate 4 from vibrating.
The rotary gas cylinder 1 is mounted on the bearing oil groove, and the rubber ring 5 of the sealing cover plate 101 is pressed on the surface of the bearing oil groove cover for sealing.
When cleaning, the handle 11 of the pressing plate 4 is firstly pulled out, the pressing plate 4 is pulled up and down to enable the scraping ring 12 to slide up and down on the inner wall of the air guide tube 1, and the inside of the air guide tube 1 is cleaned.
The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the scope of the present invention is defined by the claims, and equivalents including technical features described in the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the utility model.
Claims (9)
1. The utility model provides a hydraulic turbine multilayer lamination formula bearing respirator which characterized by: the oil collecting device comprises an air guide cylinder (1) and an oil collecting cup (2), wherein the air guide cylinder (1) is communicated with the oil collecting cup (2), an exhaust hood (3) is arranged at the upper end of the oil collecting cup (2) to be connected, an inner cavity of the oil collecting cup (2) is communicated with an exhaust groove (301) inside the exhaust hood (3), a turbulence device (6) is arranged inside the oil collecting cup (2), a plurality of turbulence plates (601) are arranged on the turbulence device (6), the end parts of the turbulence plates (601) are close to the inner wall of the oil collecting cup (2), a filter screen is further arranged above the turbulence device (6), and the filter screen is arranged between the exhaust hood (3) and the oil collecting cup (2).
2. The laminated multi-piece bearing respirator of a water turbine as claimed in claim 1, wherein: the flow disturbing device (6) comprises an oil guide pipe (602), a plurality of spoilers (601) are arranged on the oil guide pipe (602), the spoilers (601) are of a horn structure, the diameter of the horizontal section of each spoiler (601) is gradually increased from bottom to top, a plurality of oil guide holes (603) are formed in the joints of the spoilers (601) and the oil guide pipe (602), and the oil guide holes (603) are communicated with the oil guide pipe (602).
3. The laminated multi-piece bearing respirator of a water turbine as claimed in claim 2, wherein: a first filter screen (8) is arranged between the air guide cylinder (1) and the oil collecting cup (2), and an oil outlet (604) at the lower end of the oil guide pipe (602) penetrates through the first filter screen (8) to be communicated with the air guide cylinder (1).
4. The laminated multi-piece bearing respirator of a water turbine as claimed in claim 2, wherein: a second filter screen (9) is arranged between the oil collecting cup (2) and the exhaust hood (3), the oil collecting cup (2) is in threaded connection or clamped connection with the exhaust hood (3), and the upper end of the oil guide pipe (602) is clamped in the middle of the second filter screen (9) or penetrates through the second filter screen (9) and the exhaust hood (3).
5. The laminated multi-piece bearing respirator of the water turbine as claimed in claim 4, wherein: the inner part of the gas guide cylinder (1) is also provided with a scraping ring (12), the top of the exhaust hood (3) is provided with a pressing plate (4), the scraping ring (12) is connected with a transmission rod (7), and the transmission rod (7) penetrates through the oil guide pipe (602) and is connected with the pressing plate (4).
6. The laminated bearing breather of a water turbine according to claim 5, wherein: the upper end of the oil guide pipe (602) is connected with the transmission rod (7) in a sealing and sliding manner, the upper end of the pressing plate (4) is further provided with a plurality of handles (11), and the handles (11) are folded and clamped inside the pressing plate (4).
7. The laminated bearing breather of a water turbine according to claim 4, wherein: first filter screen (8) and second filter screen (9) set up respectively inside mounting bracket (10), and mounting bracket (10) include framework (1001) and framework (1002) joint down or threaded connection constitutes, are equipped with a plurality of fretworks on framework (1001) and framework (1002) down, go up framework (1001) and framework (1002) middle part down and are equipped with mounting hole (1003).
8. The laminated multi-piece bearing respirator of a water turbine as claimed in claim 1, wherein: the outer cover body of the exhaust hood (3) is sleeved outside the oil collecting cup (2), an exhaust channel is formed between the outer cover body of the exhaust hood (3) and the outer wall of the oil collecting cup (2), a conical flange (201) is further arranged on the oil collecting cup (2), and the inclined plane of the flange (201) is close to the lower end of the outer cover body.
9. The laminated multi-piece bearing respirator of a water turbine as claimed in claim 1, wherein: the bottom of the air guide cylinder (1) is also provided with a stretched sealing cover plate (101), and the lower end face of the sealing cover plate (101) is provided with a rubber ring (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122757956.4U CN216643781U (en) | 2021-11-11 | 2021-11-11 | Water turbine multilayer laminated bearing respirator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122757956.4U CN216643781U (en) | 2021-11-11 | 2021-11-11 | Water turbine multilayer laminated bearing respirator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216643781U true CN216643781U (en) | 2022-05-31 |
Family
ID=81734578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122757956.4U Active CN216643781U (en) | 2021-11-11 | 2021-11-11 | Water turbine multilayer laminated bearing respirator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216643781U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114234027A (en) * | 2021-11-11 | 2022-03-25 | 湖北清江水电开发有限责任公司 | Water turbine multilayer laminated bearing respirator and use method thereof |
-
2021
- 2021-11-11 CN CN202122757956.4U patent/CN216643781U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114234027A (en) * | 2021-11-11 | 2022-03-25 | 湖北清江水电开发有限责任公司 | Water turbine multilayer laminated bearing respirator and use method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216643781U (en) | Water turbine multilayer laminated bearing respirator | |
| CN215311223U (en) | Concrete mixing system with dust fall function | |
| CN201337859Y (en) | Vacuum pump oil mist exhaust pressing filter | |
| CN213068750U (en) | Garbage disposal station foul smell air monitoring analytical equipment | |
| CN114234027B (en) | Multilayer laminated bearing respirator of water turbine and use method thereof | |
| CN118491220B (en) | Air filter device with filter self-cleaning function | |
| CN214051025U (en) | Clean filter equipment for heating ventilation air conditioner | |
| CN220470228U (en) | Chemical centrifugal pump with filtering capability | |
| CN215195890U (en) | Industrial dust removal purification device | |
| CN211302484U (en) | Rubber exhaust-gas treatment is with spraying dust collector | |
| CN212998978U (en) | Cleaning device for paint spraying purifier | |
| CN201068872Y (en) | Improved oil mist filtering blower structure | |
| CN214919077U (en) | A dust collector for assembling template descaling machine of wallboard intelligent production | |
| CN218106860U (en) | Filtering device | |
| CN218221715U (en) | Tail gas collecting device in biodiesel production process | |
| CN208018344U (en) | A kind of textile process automatic dust removing mechanism | |
| CN220717044U (en) | Novel environment-friendly device integrating multiple layers | |
| CN212081388U (en) | Heating device based on solar water heater | |
| CN217725036U (en) | An integrated wet electrostatic precipitator | |
| CN219964150U (en) | A municipal rainwater and sewage collection and filtration system | |
| CN222734958U (en) | A material taking device | |
| CN221846453U (en) | Dry powder extinguishing agent recovery and purification system | |
| CN222092817U (en) | A pressure control device for medical laboratories | |
| CN220878154U (en) | Building dust remover | |
| CN220405138U (en) | Combined oil mist purifying equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |