CN207648139U - A kind of kettle mechanical sealing - Google Patents
A kind of kettle mechanical sealing Download PDFInfo
- Publication number
- CN207648139U CN207648139U CN201720651303.9U CN201720651303U CN207648139U CN 207648139 U CN207648139 U CN 207648139U CN 201720651303 U CN201720651303 U CN 201720651303U CN 207648139 U CN207648139 U CN 207648139U
- Authority
- CN
- China
- Prior art keywords
- ring
- aqueous vapor
- sterilization tank
- inlet pipeline
- autoclave body
- 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.)
- Expired - Fee Related
Links
Landscapes
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
The utility model provides a kind of kettle mechanical sealing, including autoclave body, shaft, hermetic unit, sterilization tank, abrasive dust cleaning part and drying nest, shaft is vertically arranged in autoclave body, hermetic unit is arranged in the top of autoclave body, shaft is arranged in hermetic unit, aqueous vapor intake channel and moisture outlet channel are set on hermetic unit, aqueous vapor intake channel be set as diameter be gradually reduced it is ladder-like, choke block is set on aqueous vapor intake channel, moisture outlet channel is set as skewed gradually downward from inside to outside, sterilization tank is set as through pipeline connection aqueous vapor intake channel, abrasive dust cleaning part is set as connecting sterilization tank by inlet pipeline, drying nest is set as connecting sterilization tank by air inlet pipeline.The utility model uses the device, it can realize the good cleaning for the abrasive dust that rotating ring is generated with stationary ring in contacting mechanical seal, the influence for reducing damage of the abrasive dust to sealing surface and autoclave body raw material etc., while can avoid erosion and etch etc., the service life of prolonged mechanical sealing.
Description
Technical field
The utility model is related to contacting mechanical seal technical field more particularly to a kind of kettle mechanical sealings.
Background technology
Mechanical seal is a kind of oil-sealing arrangement of rotating machinery.For example centrifugal pump, centrifuge, reaction kettle and compressor etc. are set
It is standby.Since transmission shaft is through inside and outside equipment, in this way, there are a circumferential clearance between axis and equipment, the medium in equipment passes through
The gap is to outward leakage, if pressure subatmospheric in equipment, air are revealed into equipment, it is therefore necessary to have prevention to reveal
Gland seal device.There are many type of axle envelope, since mechanical seal has many advantages, such as that leakage rate is few and long lifespan, so mechanical seal
As the main sealing mode of above equipment.Mechanical seal is rotation axis moving seal, is divided into contact and two kinds contactless.
It is most at present to use contacting mechanical seal.But existing contacting mechanical seal is in actual use in the presence of as follows
Problem：
1, when contacting mechanical seal works, the long-term rotation process of the sealing surface that is formed between rotating ring and stationary ring in rotating ring
In, for sealing surface because fretting wear generates abrasive dust, the abrasive dust between sealing surface can make the abrasion of sealing surface aggravate, meanwhile,
Some abrasive dusts can fall to pollute raw material in autoclave body, both reduced the service life of rotating ring and stationary ring, and also easily led to waste product
Rate increases.
2, to avoid the influence of abrasive dust at sealing surface, need to periodically carry out rotating ring, stationary ring etc. dismounting cleaning so that labour at
This increase, therefore, some mechanical seals use setting to blow bits channel or water backwashing manner to reduce frequently dismounting to parts etc.
Damage still blow bits or water and rinse the good cleaning for being difficult to ensure abrasive dust, while water flushing also easily causes rotating ring, stationary ring etc.
The erosion and etch of parts.
Invention content
The main purpose of the utility model is that solving problems of the prior art, contact can be realized by providing one kind
The good cleaning for the abrasive dust that rotating ring is generated with stationary ring in formula mechanical seal, makes sealing surface and autoclave body raw material etc. with reducing abrasive dust
At damage, while the influence that can effectively avoid erosion and etch etc., to prolonged mechanical sealing service life kettle with new
Type mechanical seal.
In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of kettle mechanical sealing,
Described in kettle mechanical sealing include autoclave body, shaft, hermetic unit, sterilization tank, abrasive dust cleaning part and drying nest, institute
It states and is vertically arranged the shaft in autoclave body, and the hermetic unit is arranged in the top of the autoclave body, the shaft is arranged in described close
It seals in part, aqueous vapor intake channel and moisture outlet channel is set on the hermetic unit, the aqueous vapor intake channel is set as
Diameter is gradually reduced ladder-like, and choke block is arranged on the aqueous vapor intake channel, and the moisture outlet channel is set as by interior
Skewed gradually downward outward, the sterilization tank is set as through aqueous vapor intake channel described in pipeline connection, the abrasive dust cleaning
Part is set as connecting the sterilization tank by inlet pipeline, the drying nest be set as by air inlet pipeline connect described in go out
Bacterium case；
The abrasive dust cleaning part is set as including water feeding tank and water pump, and the water outlet of the water feeding tank connects the water pump
One end, the other end of the water pump passes through the inlet pipeline and connects the sterilization tank；
The drying nest is set as including air blower and heater, and the output end of the air blower connects the heater
Input terminal, the output end of the heater is set as connecting the sterilization tank by the air inlet pipeline.
Further, it includes mounting base that the hermetic unit, which is set as, keeps off bits ring, stationary ring, pressing plate, rotating ring and rotating seat,
The mounting base is set to the top of the autoclave body, and ladder hole, the gear is arranged in the mounting base upper edge wherein axis direction
Bits ring coaxial line is arranged in the ladder hole, and the lower surface of the mounting base is fixed in the bottom of gear bits ring, described
The lower part of stationary ring, which screws, to be set in the ladder hole, and the upper part of the stationary ring is arranged the pressing plate, and the pressing plate is set
It is placed in the upper surface of the mounting base, the lower surface of the rotating ring is in contact with the upper surface of the stationary ring, and the rotating ring is upper
Part, which screws, to be set in the rotating seat, and the rotating seat is sheathed in the shaft.
Further, the outer diameter of the gear bits ring is set smaller than the internal diameter of the stationary ring, and the top surface of gear bits ring is set
It is set to the contact face higher than the stationary ring and the rotating ring, the stationary ring inner ring surface, the rotating ring inner ring surface and the gear are considered to be worth doing
Debris removal gap is formed between the side wall of ring, the debris removal gap setting is to be connected to the aqueous vapor intake channel and the moisture outlet
Channel.
Further, annular card convex is set in the lower part of the gear bits ring, corresponding setting is annular in the mounting base
Groove, the annular card convex, which matches, to be set in the annular groove, and between the annular card convex and the annular groove
Interference fit setting ring type seal.
Further, the aqueous vapor intake channel is arranged in vertical wherein axis direction on the side wall of the mounting base, described
Moisture outlet channel is corresponding to be set on the side wall of the mounting base.
Further, spiral sterilizing tunnel is arranged in the inside of the sterilization tank, is uniformly arranged on the spiral sterilizing tunnel
Several ultraviolet sterilization lamps, and the input terminal of the spiral sterilizing tunnel connects the output of the inlet pipeline and the air inlet pipeline
End.
Further, it is respectively provided with a regulating valve on the inlet pipeline and the air inlet pipeline.
The utility model has the advantages and positive effects of：
(1) it can be sterilized to the rinse water of abrasive dust cleaning part and the dry air of drying nest by sterilization tank
Processing ensures product quality, wherein ladder-like water to avoid rinse water and pollution of the dry air to autoclave body material quality
The design of gas intake channel and choke block can slow down the pressure and flow velocity of the rinse water and dry air into channel, to
It effectively prevent the erosion to hermetic unit, the structure in moisture outlet channel facilitates the outflow of rinse water, and drying nest
Processing is dried in setting, the then seal chamber that can be rinsed after debris removal to water, reduces damage of the etch to hermetic unit parts, from
And extend the service life of hermetic unit.
(2) it is screwed and is set in the ladder hole of mounting base and rotating ring is screwed and is set in rotating seat, energy by stationary ring
The axial movement of stationary ring and rotating ring in shaft rotary course is enough effectively reduced, the leakproofness of stationary ring and rotating ring contact face is improved
Can, the setting of gear bits ring can then assist the rinse water of abrasive dust cleaning part to generate abrasive dust to stationary ring and rotating ring contact face
Processing, effectively avoids abrasive dust from entering and pollutes raw material in autoclave body, cost-effective, ensures the quality of production.
(3) the debris removal gap formed with gear bits ring-side wall by stationary ring inner ring surface, rotating ring inner ring surface, and gear bits top surface of ring
Higher than the structure design of contact face, good cleaning of the rinse water to abrasive dust can be further realized.
(4) matched by annular card convex and annular groove, and the interference of annular card convex, annular groove and ring type seal
Close, further improve gear bits ring and mounting base junction sealing performance, with fully ensure that abrasive dust cleaning part it is good into
Row.
(5) by spiral sterilizing tunnel, it may make that rinse water and dry air into sterilization tank are fully sterilized
Processing ensures the quality of product in autoclave body to effectively avoid the pollution brought to autoclave body in cleaning drying process.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the mounting structure close-up schematic view of throttling plate part in Fig. 1.
Fig. 3 is the structural schematic diagram of choke block in Fig. 2.
Fig. 4 is the close-up schematic view of gear bits loop section in Fig. 1.
In figure：10- autoclave bodies, 20- shafts, 30- hermetic units, 301- aqueous vapor intake channels, 302- moisture outlets channel,
303- choke blocks, 304- mounting bases, 305- gear bits rings, 306- stationary rings, 307- pressing plates, 308- rotating rings, 309- rotating seats, 310-
Ladder hole, 311- annular card convexs, 312- annular grooves, 313- ring type seals, 40- sterilization tanks, 50- abrasive dust cleaning parts,
501- inlet pipelines, 502- water feeding tanks, 503- water pumps, 60- drying nests, 601- air inlet pipelines, 602- air blowers, 603- add
Hot device.
Specific implementation mode
In order to be better understood from the utility model, with reference to specific embodiments and the drawings to the utility model into advance one
The description of step.
As Figure 1-Figure 4, a kind of kettle mechanical sealing, including autoclave body 10, shaft 20, hermetic unit 30, sterilizing
Case 40, abrasive dust cleaning part 50 and drying nest 60 are vertically arranged shaft 20 in autoclave body 10, and the top setting of the autoclave body 10 is close
Part 30 is sealed, shaft 20 is arranged in hermetic unit 30, and aqueous vapor intake channel 301 and moisture outlet are arranged on hermetic unit 30
Channel 302, aqueous vapor intake channel 301 be set as diameter be gradually reduced it is ladder-like, and on the aqueous vapor intake channel 301 be arranged section
Flowing plate 303 is uniformly arranged several throttle orifices on choke block 303, and choke block 303 is arranged in the defeated of aqueous vapor intake channel 301 vertically
Outlet, moisture outlet channel 302 are set as skewed gradually downward from inside to outside, and sterilization tank 40 is set as through pipeline connection water
Gas intake channel 301, abrasive dust cleaning part 50 are set as connecting sterilization tank 40 by inlet pipeline 501, and drying nest 60 is arranged
To connect sterilization tank 40 by air inlet pipeline 601, by sterilization tank 40 can to the rinse water of abrasive dust cleaning part 50 with it is dry
The dry air of dry part 60 carries out sterilization treatment, to avoid rinse water and dirt of the dry air to 10 material quality of autoclave body
Dye ensures product quality, wherein the design of ladder-like aqueous vapor intake channel 301 and choke block 303 can slow down into channel
The pressure and flow velocity of rinse water and dry air, to effectively prevent the erosion to hermetic unit 30, moisture outlet channel 302
Structure facilitate the outflow of rinse water, and the setting of drying nest 60, the then seal chamber that can be rinsed after debris removal to water carry out
It is dried, damage of the etch to 30 parts of hermetic unit is reduced, to extend the service life of hermetic unit 30.
Abrasive dust cleaning part 50 is set as including water feeding tank 502 and water pump 503, and the water outlet of water feeding tank 502 connects water pump
The other end of 503 one end, water pump 503 connects sterilization tank 40 by inlet pipeline 501.
Drying nest 60 is set as including air blower 602 and heater 603, and the output end of air blower 602 connects heater
603 input terminal, the output end of heater 603 are set as connecting sterilization tank 40 by air inlet pipeline 601.
Hermetic unit 30 is set as including mounting base 304, gear bits ring 305, stationary ring 306, pressing plate 307, rotating ring 308 and rotating ring
Seat 309, mounting base 309 are set to the top of autoclave body 10, and ladder hole 310, gear is arranged in 309 upper edge of mounting base wherein axis direction
Bits 305 coaxial line of ring is arranged in ladder hole 310, and the lower surface of mounting base 309 is fixed in the bottom of gear bits ring 305,
The lower part of stationary ring 306, which screws, to be set in ladder hole 310, and the upper part of the stationary ring 306 is arranged pressing plate 307, pressing plate 307
It is set to the upper surface of mounting base 309, the lower surface of rotating ring 308 is in contact with the upper surface of stationary ring 306, and the rotating ring 308
Upper part, which screws, to be set in rotating seat 309, and rotating seat 309 is sheathed in shaft 20, is screwed by stationary ring 306 and is set to peace
It fills in the ladder hole 310 of seat 304 and rotating ring 308 is screwed and is set in rotating seat 309, the rotation of shaft 20 can be effectively reduced
The axial movement of stationary ring 306 and rotating ring 308 during turning improves the sealing performance of stationary ring 306 and 308 contact face of rotating ring, gear
The setting for considering ring 305 to be worth doing can then assist the rinse water of abrasive dust cleaning part 50 to produce stationary ring 306 and 308 contact face of rotating ring
The processing of raw abrasive dust, effectively avoids abrasive dust from entering in autoclave body 10 and pollutes raw material, cost-effective, ensures the quality of production.
The outer diameter of gear bits ring 305 is set smaller than the internal diameter of stationary ring 306, and the top surface of gear bits ring 305 is set above
The contact face of stationary ring 306 and rotating ring 308, shape between 306 inner ring surface of stationary ring, 308 inner ring surface of rotating ring and the side wall of gear bits ring 305
At debris removal gap, debris removal gap setting is connection aqueous vapor intake channel 301 and moisture outlet channel 302, passes through 306 inner ring of stationary ring
The debris removal gap that face, 308 inner ring surface of rotating ring are formed with gear bits 305 side wall of ring, and gear 305 top surface of bits ring is higher than contact face
Structure design can further realize good cleaning of the rinse water to abrasive dust.
Gear, which is considered to be worth doing, is arranged annular card convex 311 in the lower part of ring 305, corresponding setting annular groove 312 in mounting base 304,
Annular card convex 311, which matches, to be set in annular groove 312, and is interference fitted between annular card convex 311 and annular groove 312
Ring type seal 313 is set, by annular card convex 311 and annular groove 312, and annular card convex 311, annular groove 312 and
The interference fit of ring type seal 313 further improves the sealing performance of gear bits ring 305 and 304 junction of mounting base, to fill
Code insurance demonstrate,proves the good progress of abrasive dust cleaning part 50.
Vertical wherein axis direction setting aqueous vapor intake channel 301, moisture outlet channel 302 on the side wall of mounting base 304
It is corresponding to be set on the side wall of mounting base 304.
Spiral sterilizing tunnel is arranged in the inside of sterilization tank 40, and several ultraviolet sterilization lamps are uniformly arranged on spiral sterilizing tunnel,
And the output end of input terminal the connection inlet pipeline 501 and air inlet pipeline 601 of the spiral sterilizing tunnel, it is sterilized by spiral logical
Road may make that rinse water and dry air into sterilization tank 40 carry out abundant sterilization treatment, to effectively avoid cleaning dry
The pollution brought to autoclave body 10 during dry ensures the quality of product in autoclave body 10.
It is respectively provided with a regulating valve on inlet pipeline 501 and air inlet pipeline 601.
Using kettle mechanical sealing provided by the utility model, can realize in contacting mechanical seal rotating ring with it is quiet
The good cleaning for the abrasive dust that ring generates, to reduce abrasive dust to damage caused by sealing surface and autoclave body raw material etc., while can be effective
The influence of erosion and etch etc. is avoided, to the service life of prolonged mechanical sealing.When the autoclave body works, start water feeding tank
502, water pump 503 and sterilization tank 40 work, and open the regulating valve on inlet pipeline 501 so that the spiral in sterilized case 40 is gone out
Treated in bacterium channel rinse water is by ladder-like aqueous vapor intake channel 301, and under the orifice plate resistance of choke block 303 further
Reduce water flow pressure and flow velocity and enter debris removal gap, to effectively prevent to gear bits ring 305 in hermetic unit 30, stationary ring 306 with
The erosion of rotating ring 308, during being somebody's turn to do, rinse water can also take away the heat that hermetic unit 30 generates in 20 rotary course of shaft,
Meanwhile the structure in moisture outlet channel 302 facilitates rinse water and is flowed out with abrasive dust, after waiting for autoclave body work, then closes
The regulating valve on water feeding tank 502, water pump 503 and inlet pipeline 501 is closed, starts air blower 602 and heater 603 works, open
Regulating valve on air inlet pipeline 601 so that spiral sterilizing tunnel of the dry-heat air in sterilized case 40 treated dry heat
Wind further decreases dry-heat air pressure and stream by ladder-like aqueous vapor intake channel 301 under the orifice plate resistance of choke block 303
Speed enters debris removal gap, should to effectively prevent the erosion to gear bits ring 305, stationary ring 306 and rotating ring 308 in hermetic unit 30
In the process, the seal chamber that dry-heat air can rinse after debris removal water be dried processing, and reduction etch is to hermetic unit 30 0
The damage of part finally closes air blower 602, heater 603,40 and of sterilization tank to extend the service life of hermetic unit 30
Regulating valve on air inlet pipeline 601, to assist realizing the good seal performance in 10 course of work of autoclave body.
The embodiments of the present invention are described in detail above, but the content is only the preferable of the utility model
Embodiment should not be considered as limiting the scope of the present invention.It is all to become according to impartial made by the scope of the utility model
Change and improve etc., it should all still belong within this patent covering scope.
Claims (7)
1. a kind of kettle mechanical sealing, it is characterised in that：The kettle mechanical sealing includes autoclave body, shaft, sealing
Partly, sterilization tank, abrasive dust cleaning part and drying nest are vertically arranged the shaft, and the top of the autoclave body in the autoclave body
The hermetic unit is set, and the shaft is arranged in the hermetic unit, and aqueous vapor intake channel is arranged on the hermetic unit
With moisture outlet channel, the aqueous vapor intake channel be set as diameter be gradually reduced it is ladder-like, and on the aqueous vapor intake channel
Choke block is set, and the moisture outlet channel is set as skewed gradually downward from inside to outside, and the sterilization tank is set as passing through
Aqueous vapor intake channel described in pipeline connection, the abrasive dust cleaning part are set as connecting the sterilization tank, institute by inlet pipeline
Drying nest is stated to be set as connecting the sterilization tank by air inlet pipeline；
The abrasive dust cleaning part is set as including water feeding tank and water pump, and the water outlet of the water feeding tank connects the one of the water pump
The other end at end, the water pump connects the sterilization tank by the inlet pipeline；
The drying nest is set as including air blower and heater, and the output end of the air blower connects the defeated of the heater
Enter end, the output end of the heater is set as connecting the sterilization tank by the air inlet pipeline.
2. kettle mechanical sealing according to claim 1, it is characterised in that：The hermetic unit is set as including peace
Dress seat, gear bits ring, stationary ring, pressing plate, rotating ring and rotating seat, the mounting base are set to the top of the autoclave body, the mounting base
Ladder hole is arranged in upper edge wherein axis direction, and the gear bits ring coaxial line is arranged in the ladder hole, and the gear considers ring to be worth doing
Bottom be fixed on the lower surface of the mounting base, the lower part of the stationary ring, which screws, to be set in the ladder hole, and should
The upper part of stationary ring is arranged the pressing plate, and the pressing plate is set to the upper surface of the mounting base, the lower surface of the rotating ring with
The upper surface of the stationary ring is in contact, and the upper part of the rotating ring screws and is set in the rotating seat, and the rotating seat is arranged
In in the shaft.
3. kettle mechanical sealing according to claim 2, it is characterised in that：The outer diameter of the gear bits ring is set as small
In the internal diameter of the stationary ring, and the top surface of gear bits ring is set above the contact face of the stationary ring and the rotating ring, described
Debris removal gap, the debris removal gap setting are formed between stationary ring inner ring surface, the rotating ring inner ring surface and the side wall of the gear bits ring
To be connected to the aqueous vapor intake channel and the moisture outlet channel.
4. kettle mechanical sealing according to claim 2, it is characterised in that：It is arranged in the lower part of the gear bits ring
Annular card convex, corresponding setting annular groove in the mounting base, the annular card convex, which matches, is set to the annular groove
In, and interference fit setting ring type seal between the annular card convex and the annular groove.
5. kettle mechanical sealing according to claim 2, it is characterised in that：On the side wall of the mounting base it is vertical its
The aqueous vapor intake channel, the corresponding side wall for being set to the mounting base in moisture outlet channel is arranged in central axes direction
On.
6. kettle mechanical sealing according to claim 1, it is characterised in that：Spiral is arranged in the inside of the sterilization tank
Sterilizing tunnel is uniformly arranged several ultraviolet sterilization lamps on the spiral sterilizing tunnel, and the input terminal of the spiral sterilizing tunnel connects
Connect the output end of the inlet pipeline and the air inlet pipeline.
7. kettle mechanical sealing according to claim 1, it is characterised in that：The inlet pipeline and the air inlet pipe
Road is respectively provided with a regulating valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720651303.9U CN207648139U (en) | 2017-06-01 | 2017-06-01 | A kind of kettle mechanical sealing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720651303.9U CN207648139U (en) | 2017-06-01 | 2017-06-01 | A kind of kettle mechanical sealing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207648139U true CN207648139U (en) | 2018-07-24 |
Family
ID=62886351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720651303.9U Expired - Fee Related CN207648139U (en) | 2017-06-01 | 2017-06-01 | A kind of kettle mechanical sealing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207648139U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469676A (en) * | 2019-08-05 | 2019-11-19 | 南京中船绿洲机器有限公司 | A kind of double-acting type mechanical sealing assembly |
| CN111921432A (en) * | 2020-09-02 | 2020-11-13 | 浙江诚信医化设备有限公司 | Conical vacuum mixer |
-
2017
- 2017-06-01 CN CN201720651303.9U patent/CN207648139U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469676A (en) * | 2019-08-05 | 2019-11-19 | 南京中船绿洲机器有限公司 | A kind of double-acting type mechanical sealing assembly |
| CN111921432A (en) * | 2020-09-02 | 2020-11-13 | 浙江诚信医化设备有限公司 | Conical vacuum mixer |
| CN111921432B (en) * | 2020-09-02 | 2024-06-04 | 浙江诚信医化设备有限公司 | Conical vacuum mixer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106122108B (en) | A kind of mechanical face seals of centrifugal pumps flusher | |
| CN207648139U (en) | A kind of kettle mechanical sealing | |
| CN106402014A (en) | Side-suction anti-abrasion centrifugal pump | |
| CN204126917U (en) | Turriform centrifugal type wind wheel suction fan and airhandling equipment | |
| CN106362994A (en) | Robot for cleaning inner wall of pipe | |
| CN206240875U (en) | The fixing seal cleaning device of inner-walls of duct clean robot | |
| CN206352589U (en) | A kind of sealing device for high-temperature molten salt long shaft submerged pump | |
| CN203892242U (en) | Side-suction centrifugal pump | |
| CN206439198U (en) | A kind of low Pulp pump of flushing water pressure | |
| CN205715680U (en) | A kind of pot type three-in-one device dry gas sealing device | |
| CN204020195U (en) | Without seam plate processing machine | |
| CN104196732A (en) | Pump with water cooling jacket | |
| CN206159103U (en) | Abrasionproof centrifugal pump is inhaled to side | |
| CN208519180U (en) | Contactless multistage combined sealing | |
| CN207989392U (en) | Vertical centrifugal pump | |
| CN206159048U (en) | Centrifugation shurry pump | |
| CN215109682U (en) | Energy-saving circulating pump for chemical process | |
| CN212155121U (en) | Miniature water pump with exhaust function | |
| CN206159102U (en) | Abrasionproof centrifugation pump shaft -seal structure is inhaled to side | |
| CN204061891U (en) | A kind of electric water filter rotating shaft-seal structure | |
| CN205164282U (en) | Filter of automatically cleaning solar energy drinking bowl | |
| CN221898294U (en) | Vortex steam reinforced heat pipe of frame washing machine | |
| CN205013362U (en) | Washout type carborundum sealing member | |
| CN209414239U (en) | A kind of late-model inline pump | |
| CN109441566B (en) | Cooling device of steam turbine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180724 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |