CN209164599U - Gas sealing device for rotating equipment and stirrer - Google Patents
Gas sealing device for rotating equipment and stirrer Download PDFInfo
- Publication number
- CN209164599U CN209164599U CN201821271844.XU CN201821271844U CN209164599U CN 209164599 U CN209164599 U CN 209164599U CN 201821271844 U CN201821271844 U CN 201821271844U CN 209164599 U CN209164599 U CN 209164599U
- Authority
- CN
- China
- Prior art keywords
- sealing
- equipment
- seal
- box
- component
- 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
- 238000007789 sealing Methods 0.000 title claims abstract description 286
- 238000009434 installation Methods 0.000 claims abstract description 13
- 210000004907 gland Anatomy 0.000 claims description 25
- 239000002002 slurry Substances 0.000 claims description 20
- 239000011248 coating agent Substances 0.000 claims description 12
- 238000000576 coating method Methods 0.000 claims description 12
- 125000006850 spacer group Chemical group 0.000 claims description 10
- 239000003921 oil Substances 0.000 claims description 9
- 239000000314 lubricant Substances 0.000 claims description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims 1
- 238000003763 carbonization Methods 0.000 claims 1
- 229910052710 silicon Inorganic materials 0.000 claims 1
- 239000010703 silicon Substances 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 10
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Landscapes
- Sealing Devices (AREA)
Abstract
The utility model relates to a gas seal device and agitator for rotating equipment, including the equipment seal box, wear the equipment pivot of dress on the equipment seal box, be equipped with sealing device, its characterized in that between equipment seal box and the pivot: the sealing device is a gas sealing device and comprises a shaft sleeve, a sealing sleeve, a dynamic sealing component and a parking sealing component which are arranged on a rotating shaft of the equipment, wherein the shaft sleeve, the sealing sleeve, the dynamic sealing component and the parking sealing component form a gas sealing cavity; the shaft sleeve is connected with a disassembling ring at the outer side of the equipment sealing box, and the disassembling ring is sleeved on the equipment rotating shaft; the seal cartridge is mounted on the equipment seal box by fasteners. Still openly use above-mentioned gas seal device's a stirrer, the utility model has the advantages of simple structure, installation convenient to use, easy maintenance, long service life, low cost, sealed effectual.
Description
Technical field
The utility model belongs to equipment technical field of sealing technology, is lower than 300rpm more particularly to a kind of revolving speed, pressure is lower than
The rotating machinery gas-tight sealing and blender of 0.4Mpa.
Background technique
Currently, mechanical seal (including dry gas seals) structure both domestic and external and sealing principle are essentially identical, by a pair of or number
Sealing ring is bonded to each other to form seal face, wherein the sealing ring to rotate with the axis is referred to as rotating ring or rotating ring, is not rotated with the axis
Sealing ring be referred to as stationary ring or stationary ring, the compensation mechanism being made of spring and correlated parts to sealing ring apply spring force to
The nose balance function of sealing ring is played, remaining leak point is sealed using sealing rubber ring.
Mechanical seal structure is complicated, and leak point is more, very high to assembly precision requirement, and by live use condition, equipment
The factors such as precision, installation personnel technical level influence, and cause sealing using effect unstable, easily leak, service life
Mostly half a year was to 1 year or so.
The replacement of mechanical seal is also extremely difficult, and mechanical seal is all ring-shaped work pieces, these parts cannot generally be made into and cut open
Fraction, therefore just need partly or entirely to dismantle the running part of machinery equipment in replacement, it could be taken out from transmission shaft end close
Seal part.Large scale equipment dismounting is difficult, reduces utilization rate of equipment and installations, not only expends a large amount of maintenance fund, also expends a large amount of
Manpower and material resources.
Summary of the invention
The utility model is to solve technical problem present in well-known technique and provide that a kind of structure is simple, the side of installing and using
Just, the good a kind of rotating machinery gas-tight sealing of easy to maintenance, long service life, low in cost, sealing effect and stirring
Device.
The utility model is adopted the technical scheme that solve technical problem present in well-known technique:
A kind of rotating machinery gas-tight sealing, including sealing box of equipment, the equipment being installed in sealing box of equipment turn
Axis is equipped with sealing device between the sealing box of equipment and shaft, it is characterised in that: the sealing device is air seal dress
It sets, it is above-mentioned axle sleeve, close including axle sleeve, sealing shroud, dynamic sealing component and the stop seal component being mounted on equipment rotating shaft
Big envelope, the first dynamic sealing component and stop seal component form air seal chamber, when equipment runs well, air seal chamber
The pressure of interior sealing gas is greater than the pressure in sealing box of equipment；The axle sleeve connection is mounted on equipment and turns in sealing box of equipment
Positioning member on axis is equipped with the first rubber seal between the axle sleeve outer end face and positioning member end face；It is described in equipment
The outside of the seal box axle sleeve connection disassembling ring, the stripping ring are sleeved in the equipment rotary shaft；The sealing shroud
It is mounted on sealing box of equipment by fastener.In actual use, steady to the intracavitary injection pressure of air seal by air inlet
Fixed air, air are entered in sealing box of equipment by stop seal component, and air pressure is greater than sealing box of equipment slurries
0.01~0.2MPa of pressure, it is intracavitary to may not flow into air seal for slurries when guaranteeing pump operating, 5 minutes after arrestment operating
Turn off the air intake control valve of air inlet, the intracavitary air pressure rapid drawdown of air seal after air intake control valve is closed, in container
Stop seal component can be tightly compressed on wear-resisting axle sleeve by pressure medium, play the sealing to medium, can be carried out at this time
The disassembly and maintenance of sealing device.The sealing ring and spring-compensating structure of tradition machinery sealing dress are eliminated, part is less and group
Dress is easy, and human cost and economic cost is greatly saved；Above-mentioned technical proposal is in addition to dynamic sealing component and stop seal component
Sealing structure outside, between sealed jacketed box equipment box, between axle sleeve and positioning member, air seal room end face and parking it is close
It is equipped with rubber seal between envelope support plate, plays the role of auxiliary seal, effectively prevents leaking, improve leakproofness
Energy.
The utility model can also use following technical measures:
Above-mentioned sealing shroud includes sealing box of equipment interconnecting piece, air seal room and dynamic sealing mounting portion；The equipment
Seal box interconnecting piece is fixed in the sealing shroud mounting groove of installation sealing box of equipment inner wall by fastener, sealing box of equipment connection
The outer circle wall in portion is equipped with the second rubber seal；It is close equipped with moving on the dynamic sealing mounting portion described in the bottom of air seal room
Mounting groove is sealed, the first dynamic sealing component is installed in the dynamic sealing mounting groove；In the air seal of the outside of sealing box of equipment
Room is equipped with air inlet and discharge port, installs air intake control valve on the air inlet；Seal plug is installed on the discharge port；?
The air seal room end face of the sealing shroud is equipped with stop seal component mounting groove in sealing box of equipment, in stop seal component
Stop seal component is installed in mounting groove；The stop seal component and air seal room form air seal chamber.
Above-mentioned sealing shroud includes sealing box of equipment interconnecting piece, air seal room, dynamic sealing mounting portion and support portion；Institute
It states sealing box of equipment interconnecting piece to be fixedly mounted in the sealing shroud mounting groove of sealing box of equipment inner wall by fastener, equipment sealing
The outer circle wall of case interconnecting piece is equipped with the second rubber seal；
Spacer ring is being equipped in sealing shroud between air seal room and support portion, is being equipped with peace towards spacer ring described in support portion side
Tankage is equipped with the second dynamic sealing component in the mounting groove；
Spring bearing is installed on the bearing chamber in the support portion, baffle is equipped between the spring bearing and spacer ring；
Bearing gland is installed by fastener on the end face of the outer end support portion of spring bearing, the bearing gland is equipped with and bearing
The lubricant passage way of room connection, oil nozzle is installed in the inlet of lubricant passage way on bearing gland；It is installed between bearing gland and axle sleeve
Third dynamic sealing component；Bearing chamber is enclosed oil sealing sealing chamber by the first dynamic sealing component and the second dynamic sealing component；
It is equipped with air inlet and discharge port on the air seal room of the outside of sealing box of equipment, is installed on the air inlet
Air intake control valve；Seal plug is installed on the discharge port；The air seal room end face of the sealing shroud in sealing box of equipment
It is equipped with stop seal component mounting groove, stop seal component is installed in stop seal component mounting groove；Described second move it is close
Air seal room is enclosed closed air seal chamber by envelope component and stop seal component.
The stop seal component includes stop seal support plate, sealing gland, stop seal component and connector, institute
Stop seal support plate is stated to be located in stop seal component mounting groove, and with axle sleeve outer wall clearance fit, in stop seal component
Third rubber seal is equipped between the bottom surface and stop seal support plate of mounting groove；The sealing gland is located at stop seal branch
The inside in the outside of fagging, the sealing gland is equipped with stop seal component mounting groove, installs in dynamic sealing component mounting groove
Stop seal component, the outer wall palette of the stop seal component and axle sleeve；The connector sequentially passes through sealing gland
It is fastenedly connected with stop seal support plate and air seal room.
The intracavitary sealing gas of air seal that the axle sleeve, sealing shroud, dynamic sealing component and stop seal component are formed
Pressure be greater than sealing box of equipment in slurries 0.01~0.2MPa of pressure.
The junction dynamic sealing mounting portion of the air seal room described in the outer wall of sealing shroud is equipped with circular conical surface, the air inlet
It is arranged on circular conical surface with discharge port.
The sealing shroud is installed from inside to outside by sealing box of equipment, and the air inlet and exhaust outlet on air seal room are located at equipment
The outside of seal box；The fastener for connecting sealing shroud is connect by passing through sealing box of equipment on the outside of sealing box of equipment with sealing box of equipment
Portion is fastenedly connected, and fastener not extending equipment seal box interconnecting piece.
The outer wall of the axle sleeve is equipped with wear-resistant coating.
The wear-resistant coating is coat of silicon carbide, the thickness of coating preferably 0.2~1mm.
A kind of air seal blender using above-mentioned gas sealing device.
The utility model has the advantages and positive effects of: by adopting the above technical scheme due to the utility model, having
Following advantages:
1, structure is simple；Gas-tight sealing eliminate tradition machinery sealing dress sealing ring and spring-compensating structure, zero
Part is less and easy for assembly, and human cost and economic cost is greatly saved.
2, easy for installation: only to need for this sealing device to be mounted on equipment rotating shaft, sealing shroud is connect with sealing box of equipment
The assembling process entirely sealed is completed, it is convenient and efficient.
3, maintenance cost is low；The vulnerable part of the gas-tight sealing of the utility model is dynamic sealing component and stop seal group
Part only needs optionally at most to replace the two accessories, greatly reduces maintenance cost in case of leaking.
4, long service life is equipped with wear-resistant coating in the outer wall of axle sleeve, extends service life, in addition connect sealing shroud
Fastener the corrosion and abrasion of slurries in sealing box of equipment are greatly reduced using ecto-entad installation, extend fastener
Service life.
5, good seal performance, other than the sealing structure of dynamic sealing component and stop seal component, in sealed jacketed box equipment
Rubber seal is equipped between cabinet, between axle sleeve and positioning member, between air seal room end face and stop seal support plate
Circle, plays the role of auxiliary seal, effectively prevents leaking, improve sealing performance.
6, realize that sealing and tradition machinery sealing structure compared are simpler by the way of the hydraulic reclamation air into tank, and
When for needing oxidation air in tank, chemical reaction can be greatly promoted.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment 1.
Fig. 2 is the structural schematic diagram of the utility model embodiment 2.
Fig. 3 is air seal agitator structure schematic diagram.
In figure: 1, sealing box of equipment；1-1, sealing shroud mounting groove；2, equipment rotating shaft；3, sealing device；3-1, axle sleeve；3-
2, sealing shroud；3-20, sealing box of equipment interconnecting piece；3-21, air seal room；3-210, stop seal component mounting groove；3-22,
Dynamic sealing mounting portion；3-220, dynamic sealing mounting groove；3-23, air inlet；3-24, discharge port；3-240, seal plug；3-25, into
Gas control valve；3-26, support portion；3-27, spacer ring；3-28, mounting groove；3-29, the second dynamic sealing component；3-30, spring bearing；
3-31, baffle；3-32, bearing gland；3-33, lubricant passage way；3-34, oil nozzle；3-35, third dynamic sealing component；3-36, oil sealing
Seal chamber；3-3, the first dynamic sealing component；3-4, stop seal component；3-40, stop seal support plate；3-41, sealing gland；
3-410, stop seal component mounting groove；3-42, stop seal component；3-43, connector；3-44, third rubber seal；3-
5, the first rubber seal；3-6, stripping ring；3-7, fastener；3-8, the second rubber seal；3-9, air seal chamber；4, fixed
Position component；5, slurries；6, tank body；7, power unit；8, agitating shaft；9, agitator arm.
Specific embodiment
For the invention, features and effects that can further appreciate that the utility model, the following examples are hereby given, and cooperates
Detailed description are as follows for attached drawing:
Embodiment 1, referring to Fig. 1, a kind of rotating machinery gas-tight sealing, including sealing box of equipment 1, it is installed on and sets
Equipment rotating shaft 2 in standby seal box, is equipped with sealing device 3 between the sealing box of equipment and shaft, the sealing device is gas
Body sealing device, including axle sleeve 3-1, sealing shroud 3-2, the first dynamic sealing component 3-3 and the parking being mounted on equipment rotating shaft
Seal assembly 3-4, above-mentioned axle sleeve, sealing shroud, dynamic sealing component and stop seal component form air seal chamber, in equipment
When normal operation, the pressure of the intracavitary sealing gas of air seal is greater than the pressure in sealing box of equipment；The institute in sealing box of equipment 1
The positioning member 4 that axle sleeve 3-1 connection is mounted on equipment rotating shaft 2 is stated, for example, equipment is if it is mixing plant, then positioning structure
Part is the blade wheel hub being mounted on equipment rotating shaft, and the first rubber is equipped between the axle sleeve 3-1 outer end face and positioning member end face
Glue sealing ring 3-5；The outside in the sealing box of equipment 1 axle sleeve connection disassembling ring 3-6, the stripping ring 3-6 are sleeved on
In the equipment rotary shaft 2；The sealing shroud 3-2 is mounted on sealing box of equipment 1 by fastener 3-7.Above-mentioned axle sleeve
3-1 and 2 clearance fit of equipment rotating shaft, and by the chucking power between positioning member and stripping ring, and with equipment rotating shaft rotation and
Rotation.
The utility model can also use following technical measures:
Above-mentioned sealing shroud 3-2 includes sealing box of equipment interconnecting piece 3-20, air seal room 3-21 and dynamic sealing installation
Portion 3-22；The sealing box of equipment interconnecting piece 3-20 is fixedly mounted on the sealing shroud of 1 inner wall of sealing box of equipment by fastener 3-7
In mounting groove 1-1, the outer circle wall of sealing box of equipment interconnecting piece 3-20 is equipped with the second rubber seal 3-8；In air seal
Dynamic sealing mounting portion 3-22 described in the bottom of room 3-21 is equipped with dynamic sealing mounting groove 3-220, the dynamic sealing mounting groove 3-220
The first dynamic sealing structure 3-3 of interior installation, it is mutual by the first dynamic sealing component 3-3 and axle sleeve 3-1 outer wall when equipment rotating shaft 2 is rotated
It rubs and plays sealing function；Air inlet 3-23 and discharge port 3- is equipped on the air seal room of the outside of sealing box of equipment
24, air intake control valve 3-25 is installed, for controlling air inlet on the air inlet；Seal plug 3-240 is installed on the discharge port,
For discharging the slurries leaked when maintenance；It is close that parking is equipped on the air seal room end face of the sealing shroud in sealing box of equipment
Sealing assembly mounting groove 3-210 installs stop seal component 3-4 in stop seal component mounting groove；The stop seal component
Air seal chamber 3-9 is formed with air seal room；
The stop seal component 3-4 includes stop seal support plate 3-40, sealing gland 3-41, stop seal component 3-
42 and connector 3-43, the stop seal support plate 3-40 is located in stop seal component mounting groove 3-210, and and axle sleeve
3-1 outer wall clearance fit is equipped with the between the bottom surface and stop seal support plate 3-40 of stop seal component mounting groove 3-210
Three rubber seal 3-44；The sealing gland 3-41 is located at the outside of stop seal support plate 3-40, the sealing gland 3-
41 inside is equipped with stop seal component mounting groove 3-410, and stop seal component is installed in dynamic sealing component mounting groove 3-410
3-42, the outer wall palette of the stop seal component 3-42 and axle sleeve 3-1；The connector 3-43 sequentially passes through sealing pressure
Lid 3-41 and stop seal support plate 3-40 and air seal room 3-21 is fastenedly connected；The connector uses hex bolts.
Preferably, the air seal that the axle sleeve, sealing shroud, dynamic sealing component and stop seal component are formed is intracavitary close
The pressure for sealing gas is greater than 0.01~0.2MPa of pressure of slurries in sealing box of equipment.
Preferably, the junction dynamic sealing mounting portion of the air seal room described in the outer wall of sealing shroud is equipped with circular conical surface, institute
It states air inlet and discharge port is arranged on circular conical surface.
Preferably, the sealing shroud is installed from inside to outside by sealing box of equipment, air inlet and exhaust outlet on air seal room
Positioned at the outside of sealing box of equipment；The fastener of sealing shroud is connected by close across sealing box of equipment and equipment on the outside of sealing box of equipment
Joint sealing interconnecting piece is fastenedly connected, and fastener not extending equipment seal box interconnecting piece.
Preferably, the outer wall of the axle sleeve is equipped with wear-resistant coating, the preferred coat of silicon carbide of wear-resistant coating, the thickness of coating
Spend preferably 0.2~1mm.
In actual use, by air inlet 3-23, into air seal chamber 3-9, the stable air of injection pressure, air are logical
Stop seal component 3-42 is crossed to enter in sealing box of equipment 1, air pressure be greater than 1 slurry pressure 0.01 of sealing box of equipment~
0.2MPa, slurries 5 may not flow into air seal chamber 3-9 when guaranteeing pump operating, turn off within 5 minutes after arrestment operating
Air pressure rapid drawdown after the air intake control valve 3-25 of air inlet 3-23, air intake control valve 3-25 are closed in air seal chamber 3-9,
Stop seal component 3-42 can be tightly compressed on wear-resisting axle sleeve 3-1 by the pressure in slurries 5, play the sealing to slurries 5,
It can be flowed out by porus excretorius 3-24 if there is a small amount of slurries flow into air chamber.It can be sealed the disassembly and inspection of device at this time
It repairs.
Embodiment 2, referring to Fig. 2, increasing auxiliary on the basis of embodiment 1 to further increase sealing effect
Oil enveloping structure；Specifically, the sealing shroud 3-2 includes sealing box of equipment interconnecting piece 3-20, air seal room 3-21, dynamic sealing
Mounting portion 3-22 and support portion 3-26；The sealing box of equipment interconnecting piece 3-20 is fixedly mounted on equipment sealing by fastener
In the sealing shroud mounting groove 1-1 of 1 inner wall of case, the outer circle wall of sealing box of equipment interconnecting piece is equipped with the second rubber seal 3-8；
Spacer ring 3-27 is being equipped in sealing shroud 3-2 between air seal room 3-21 and support portion 3-26, towards support portion side
The spacer ring is equipped with mounting groove 3-28, is equipped with the second dynamic sealing component 3-29 in the mounting groove；
Spring bearing 3-30 is installed on the bearing chamber in the support portion 3-26, is set between the spring bearing and spacer ring
There is baffle 3-31；Bearing gland 3-32, the bearing are installed by fastener on the end face of the outer end support portion of spring bearing
Gland is equipped with the lubricant passage way 3-33 being connected to bearing chamber, and oil nozzle 3- is installed in the inlet of lubricant passage way on bearing gland
34；Third dynamic sealing component 3-35 is installed between bearing gland and axle sleeve；The first dynamic sealing component and the second dynamic sealing structure
Bearing chamber is enclosed oil sealing sealing chamber 3-36 by part；
Air inlet 3-23 and discharge port 3-24, the air inlet are equipped on the air seal room of the outside of sealing box of equipment
Air intake control valve 3-25 is installed on mouth；For controlling air inlet；Seal plug 3-26 is installed, for discharging maintenance on the discharge port
When the slurries that leak；Stop seal component mounting groove is equipped on the air seal room end face of the sealing shroud in sealing box of equipment
3-27 installs stop seal component 3-4 in stop seal component mounting groove；The second dynamic sealing component and stop seal group
Air seal room is enclosed closed air seal chamber 3-9 by part.
In actual use, lubricating oil is filled into bearing chamber first；Then pass through air inlet 3-23 to air seal chamber
The stable air of injection pressure in 3-9, air are entered in sealing box of equipment 1 by stop seal component 3-42, air pressure
It is greater than 1 0.01~0.2MPa of slurry pressure of sealing box of equipment, slurries 5 may not flow into air seal chamber when guaranteeing pump operating
In 3-9, the air intake control valve 3-25 of air inlet 3-23 is turned off within 5 minutes after arrestment operating, air intake control valve 3-25 is closed
Stop seal component 3-42 can tightly be compressed on resistance to by the air pressure rapid drawdown in air seal chamber 3-9 afterwards, the pressure in slurries 5
On the axle sleeve 3-1 of mill, the sealing to slurries 5 is played, can be flowed by porus excretorius 3-24 if there is a small amount of slurries flow into air chamber
Out.
A kind of air seal blender using above-mentioned gas sealing device is also disclosed in the utility model, referring to Fig. 3, gas
Body sealed stirrer includes tank body 6, power unit 7, agitating shaft 8, agitator arm 9, and it is close that gas is equipped between agitating shaft and tank body
Seal apparatus.
The utility model by adopting the above technical scheme, has the advantage that
1, structure is simple；Gas-tight sealing eliminate tradition machinery sealing dress sealing ring and spring-compensating structure, zero
Part is less and easy for assembly, and human cost and economic cost is greatly saved.
2, easy for installation: only to need for this sealing device to be mounted on equipment rotating shaft, sealing shroud is connect with sealing box of equipment
The assembling process entirely sealed is completed, it is convenient and efficient.
3, maintenance cost is low；The vulnerable part of the gas-tight sealing of the utility model is dynamic sealing component and stop seal group
Part only needs optionally at most to replace the two accessories, greatly reduces maintenance cost in case of leaking.
4, long service life is equipped with wear-resistant coating in the outer wall of axle sleeve, extends service life, in addition connect sealing shroud
Fastener the corrosion and abrasion of slurries in sealing box of equipment are greatly reduced using ecto-entad installation, extend fastener
Service life.
5, good seal performance, other than the sealing structure of dynamic sealing component and stop seal component, in sealed jacketed box equipment
Rubber seal is equipped between cabinet, between axle sleeve and positioning member, between air seal room end face and stop seal support plate
Circle, plays the role of auxiliary seal, effectively prevents leaking, improve sealing performance.
The above is only the preferred embodiment to the utility model, is not made in any form to the utility model
Limitation, it is all according to the technical essence of the utility model any simple modification made to the above embodiment, equivalent variations with
Modification, is all within the scope of the technical scheme of the utility model.
Claims (10)
1. a kind of rotating machinery gas-tight sealing, including sealing box of equipment, the equipment rotating shaft being installed in sealing box of equipment,
Sealing device is equipped between the sealing box of equipment and shaft, it is characterised in that: the sealing device is gas-tight sealing, packet
Include the axle sleeve being mounted on equipment rotating shaft, sealing shroud, dynamic sealing component and stop seal component, above-mentioned axle sleeve, sealing shroud,
First dynamic sealing component and stop seal component form air seal chamber, and when equipment runs well, air seal is intracavitary close
The pressure of gas is sealed greater than the pressure in sealing box of equipment；The axle sleeve connection is mounted on equipment rotating shaft in sealing box of equipment
Positioning member, between the axle sleeve outer end face and positioning member end face be equipped with the first rubber seal；It is described to be sealed in equipment
The outside of the case axle sleeve connection disassembling ring, the stripping ring are sleeved on the equipment rotating shaft；The sealing shroud passes through tight
Firmware is mounted on sealing box of equipment.
2. rotating machinery gas-tight sealing according to claim 1, it is characterised in that: above-mentioned sealing shroud includes setting
Standby seal box interconnecting piece, air seal room and dynamic sealing mounting portion；The sealing box of equipment interconnecting piece is fixed by fastener
In the sealing shroud mounting groove of installation sealing box of equipment inner wall, the outer circle wall of sealing box of equipment interconnecting piece is equipped with the second rubber
Sealing ring；Dynamic sealing mounting groove, the dynamic sealing mounting groove are equipped on the dynamic sealing mounting portion described in the bottom of air seal room
The first dynamic sealing component of interior installation；Air inlet and discharge port, institute are equipped on the air seal room of the outside of sealing box of equipment
It states and air intake control valve is installed on air inlet；Seal plug is installed on the discharge port；The sealing shroud in sealing box of equipment
Air seal room end face is equipped with stop seal component mounting groove, and stop seal group is installed in stop seal component mounting groove
Part；The stop seal component and air seal room form air seal chamber.
3. rotating machinery gas-tight sealing according to claim 1, it is characterised in that: above-mentioned sealing shroud includes setting
Standby seal box interconnecting piece, air seal room, dynamic sealing mounting portion and support portion；The sealing box of equipment interconnecting piece passes through fastening
Part is fixedly mounted in the sealing shroud mounting groove of sealing box of equipment inner wall, and the outer circle wall of sealing box of equipment interconnecting piece is equipped with the
Two rubber seal；
Spacer ring is being equipped in sealing shroud between air seal room and support portion, is being equipped with installation towards spacer ring described in support portion side
Slot is equipped with the second dynamic sealing component in the mounting groove；
Spring bearing is installed on the bearing chamber in the support portion, baffle is equipped between the spring bearing and spacer ring；It is propping up
It supports and bearing gland is installed by fastener on the end face of the outer end support portion of bearing, the bearing gland is equipped with to be connected with bearing chamber
Logical lubricant passage way, oil nozzle is installed in the inlet of lubricant passage way on bearing gland；Third is installed between bearing gland and axle sleeve
Dynamic sealing component；Bearing chamber is enclosed oil sealing sealing chamber by the first dynamic sealing component and the second dynamic sealing component；
It is equipped with air inlet and discharge port on the air seal room of the outside of sealing box of equipment, air inlet is installed on the air inlet
Control valve；Seal plug is installed on the discharge port；It is set on the air seal room end face of the sealing shroud in sealing box of equipment
There is stop seal component mounting groove, stop seal component is installed in stop seal component mounting groove；The second dynamic sealing structure
Air seal room is enclosed closed air seal chamber by part and stop seal component.
4. rotating machinery gas-tight sealing according to claim 1, it is characterised in that: the stop seal component packet
Stop seal support plate, sealing gland, stop seal component and connector are included, it is close that the stop seal support plate is located at parking
In sealing assembly mounting groove, and with axle sleeve outer wall clearance fit, stop seal component mounting groove bottom surface and stop seal support
Third rubber seal is equipped between plate；The sealing gland is located at the outside of stop seal support plate, the sealing gland
Inside is equipped with stop seal component mounting groove, and stop seal component, the stop seal are installed in dynamic sealing component mounting groove
The outer wall palette of component and axle sleeve；The connector sequentially passes through sealing gland and stop seal support plate and air seal
Room is fastenedly connected.
5. rotating machinery gas-tight sealing according to claim 1, it is characterised in that: the axle sleeve, moves sealing shroud
The pressure for the intracavitary sealing gas of air seal that containment member and stop seal component are formed is greater than slurries in sealing box of equipment
0.01~0.2MPa of pressure.
6. rotating machinery gas-tight sealing according to claim 2 or 3, it is characterised in that: in the outer wall of sealing shroud
The junction dynamic sealing mounting portion of the air seal room is equipped with circular conical surface, and the air inlet and discharge port are arranged in circular conical surface
On.
7. rotating machinery gas-tight sealing according to claim 1, it is characterised in that: the sealing shroud is close by equipment
Joint sealing is installed from inside to outside, and the air inlet and exhaust outlet on air seal room are located at the outside of sealing box of equipment；Connect sealing shroud
Fastener is fastenedly connected by passing through sealing box of equipment on the outside of sealing box of equipment with sealing box of equipment interconnecting piece, and fastener is not stretched
Sealing box of equipment interconnecting piece out.
8. rotating machinery gas-tight sealing according to claim 1, it is characterised in that: the outer wall of the axle sleeve is equipped with
Wear-resistant coating.
9. rotating machinery gas-tight sealing according to claim 8, it is characterised in that: the wear-resistant coating is carbonization
Silicon coating, the thickness of coating preferably 0.2~1mm.
10. a kind of air seal blender using any gas-tight sealing of the claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821271844.XU CN209164599U (en) | 2018-08-08 | 2018-08-08 | Gas sealing device for rotating equipment and stirrer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821271844.XU CN209164599U (en) | 2018-08-08 | 2018-08-08 | Gas sealing device for rotating equipment and stirrer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209164599U true CN209164599U (en) | 2019-07-26 |
Family
ID=67329368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821271844.XU Active CN209164599U (en) | 2018-08-08 | 2018-08-08 | Gas sealing device for rotating equipment and stirrer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209164599U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757947A (en) * | 2018-08-08 | 2018-11-06 | 天津市合润科技有限责任公司 | Gas sealing device for rotating equipment and stirrer |
-
2018
- 2018-08-08 CN CN201821271844.XU patent/CN209164599U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757947A (en) * | 2018-08-08 | 2018-11-06 | 天津市合润科技有限责任公司 | Gas sealing device for rotating equipment and stirrer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108757947A (en) | Gas sealing device for rotating equipment and stirrer | |
| CN108905691A (en) | Gas seal stirrer | |
| CN209164599U (en) | Gas sealing device for rotating equipment and stirrer | |
| CN102062107B (en) | Multi-stage axial flow submerged pump with long shaft and method for conveying phosgene | |
| CN209155579U (en) | Gas seal stirrer | |
| CN201851394U (en) | Sealing device for centrifugal pump | |
| CN221075322U (en) | Ball valve with easy-to-clean inside | |
| CN108194385B (en) | Device and method for testing wear performance of two-phase flow fluid machinery flow-through part | |
| CN201991790U (en) | Long shaft multi-stage axial flow submerged pump | |
| JP4969688B2 (en) | Rotating machine | |
| CN104389807B (en) | The shaft seal structure of centrifugal coal slurry pump | |
| CN219586078U (en) | Vertical biological fermentation tank | |
| CN203146405U (en) | Power sealing structure of centrifugal pump | |
| CN107559444B (en) | Improved piston valve and its application | |
| CN208396963U (en) | Two phase flow fluid machinery flow passage components polishing machine test device | |
| CN115228255A (en) | Side-feeding type stirrer sealing device | |
| CN209414237U (en) | The mechanical seal structure of centrifugal pump applied to coating chemical industry | |
| CN212610185U (en) | High-efficient anaerobic fermentation jar airtight formula end support agitating unit | |
| CN201148990Y (en) | Pump shaft mechanical sealing device | |
| CN208089448U (en) | A kind of integral type hydraulic turbine | |
| CN107297192B (en) | Gas, solid and liquid reaction device | |
| CN208669358U (en) | Compact little volume flow high pressure ratio mixed-flow industrial turbine | |
| CN207231724U (en) | A kind of seal test device | |
| CN219888336U (en) | Corrosion-resistant centrifugal pump convenient to installation | |
| CN222458438U (en) | A high-strength metal sealing ball valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |