CN208919333U - A kind of mechanical seal for slurry evaporator - Google Patents
A kind of mechanical seal for slurry evaporator Download PDFInfo
- Publication number
- CN208919333U CN208919333U CN201821563444.6U CN201821563444U CN208919333U CN 208919333 U CN208919333 U CN 208919333U CN 201821563444 U CN201821563444 U CN 201821563444U CN 208919333 U CN208919333 U CN 208919333U
- Authority
- CN
- China
- Prior art keywords
- seal
- axle sleeve
- evaporator
- cavity
- stationary seat
- 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
Abstract
The utility model discloses a kind of mechanical seal for slurry evaporator, and including the axle sleeve for being installed on evaporator shaft and being driven by driving key, which is fixed on evaporator shaft by nut；Interior sealing and external seal are sequentially installed on the axle sleeve from inside to outside；It has been arranged radially gas seal groove between the interior sealing and external seal, external gas is accessed by the gas seal groove and constitutes air seal；The utility model is designed reasonably, sealing effect is good, is to install in two times, multi-stage sealed integrated mechanical sealing；By interior sealing, external seal combination, and the air seal composition between interior sealing and external seal, sealing is stopped layer by layer, extends the service life of machine envelope, greatly alleviates repair density, protect environment, increase safety.
Description
Technical field
The utility model relates to a kind of sealing structures, are especially a kind of mechanical seal for slurry evaporator.
Background technique
Slurry evaporator has tiny hard silicon powder and SiCL in material4Gas, if causing silicon powder accumulation that can seal to machine
Axle sleeve causes to wear, and leads to machine envelope failure, causes gas leak, cause environmental pollution；High temperature steaming is connected in evaporator axis simultaneously
Vapour, and both ends supporting point is longer, when material enters in evaporator, and axis rotates, degree of disturbing is larger, and machine envelope will be lost in a short time
Effect, the envelope failure of outside machine then cause gas overflowing in material, not only endanger the health of Field Force, there is also safe thing
Therefore；It causes machine to be sealed oil sealing if the envelope failure of inside machine to enter material, cause material unclean, influence product quality.And
Replacement must be shut down after machine envelope failure, first removes bearing and subsequent connection, equipment is huger, and replacement once needs 3-5 days,
Maintenance time is longer, influences manufacturing schedule.
Utility model content
Therefore, in order to overcome above-mentioned deficiency, the utility model provides a kind of design rationally herein, and sealing effect is good, is divided to two
Secondary installation, multi-stage sealed integrated mechanical sealing；By interior sealing, external seal combination, and it is located at interior sealing and external seal
Between air seal composition, layer by layer sealing stop, extend machine envelope service life, greatly alleviate repair density, protect
Environment has been protected, safety is increased.
The utility model is realized in this way constructing a kind of mechanical seal for slurry evaporator, including it is installed on steaming
The axle sleeve sending out device shaft and being driven by driving key, the axle sleeve are fixed on evaporator shaft by nut；By interior on the axle sleeve
It is sequentially installed with interior sealing and external seal outward；It has been arranged radially gas seal groove between the interior sealing and external seal, has been passed through
The gas seal groove accesses external gas and constitutes air seal.
It is sealingly secured on axle sleeve, the silicon powder in material is stopped, then be passed through N into two comb teeth in wherein2It is right
Gas leakage is once purged, and takes away some silicon powders in passing.
Wherein air seal is between interior external seal, N2Air seal is passed through by the air flue on stationary seat interior in external seal
Slot carries out secondary purging to gas and silicon powder again；
Preferably, the interior sealing includes sealing block, which is connect by screw A with evaporator cavity, and is led to
It crosses water seal and is installed on axle sleeve；
With axle sleeve contact position on the inside of the sealing block, two sections of comb teeth are offered, and offer gas among two sections of comb teeth
Hole；
The sealing block offers gas via-hole, which is connected to the air flue A for being provided with evaporator cavity,
The other end is connected to the stomata of comb teeth.
Preferably, external seal includes interior stationary seat, cavity and outer stationary seat；
The interior stationary seat is connect by screw B with evaporator cavity, forms gas between interior stationary seat and sealing block
Seal groove；
The cavity passes through screw C respectively and connect with interior stationary seat and outer stationary seat, and in the cavity surface and axle sleeve it
Between form seal chamber；
The outer stationary seat is fixed on axle sleeve by locating clamp plate and screw in its end.
Preferably, the interior stationary seat radial direction offers the air flue B being connected to gas seal groove.
Preferably, sylphon seal group is installed in the seal chamber of the inside cavity, at the sylphon seal group both ends
It is separately installed with stationary ring, wherein it is quiet by pin and the positioning of interior stationary seat on the inside of sylphon seal group, and use screw
It is fixed on interior stationary seat；It is wherein quiet by pin and the positioning of outer stationary seat on the outside of sylphon seal group, and use spiral shell
Nail is fixed on outer stationary seat.
Preferably, the inside cavity is perfused with Seal Oil, is lubricated to the component of the inside.
Preferably, the sylphon seal group is constructed by two bellows mechanical seals reversely installed, two waves
The mechanical seal of line pipe passes through screw respectively and is fixed on axle sleeve.
Preferably, the cavity lateral surface is fixedly connected with lifting lug.
Preferably, sealing ring is installed, and in axle sleeve inner end and evaporator shaft between the axle sleeve and evaporator shaft
Between be also equipped with wedge-type seal pad.
The utility model has the following beneficial effects:
Therefore, in order to overcome above-mentioned deficiency, the utility model provides a kind of design rationally herein, the good machinery of sealing effect
Sealed product, the utility model be one and install in two times, multi-stage sealed integrated mechanical sealing；By it is interior sealing, it is outer close
Envelope combination, and the air seal composition between interior sealing and external seal；
Sealing includes sealing block and water seal in wherein, the sealing block lower part is provided with comb teeth, wherein obstruction is responsible in water seal
Silicon powder；Comb teeth is responsible for carrying out N to leaked gas and silicon powder2Purging；
External seal is made of both-end outside framework oil seal and Double End bellows mechanical seal, is wherein responsible for resistance on the inside of outside framework oil seal
It blocks tiny silicon powder and enters machine sealing chamber body, while preventing inner seal oil from entering in evaporator material, outside prevents Seal Oil from leaking
Pollute environment；It is passed through pressure seal oil in bellows mechanical seal, prevents the leakage of silicon powder and gas in material, protects environment；
Simultaneously due to being passed through high-temperature steam in axis in external seal, the temperature that machine seals work is higher, and due to
Equipment axis is fixed by bearings at both ends, and length is too long, and degree of disturbing is larger after material is added, and it is serious that machine envelope will cause uneven wear, because
This use bellows type mechanical seal resistant to high temperature, and bellows to neutrality be better than spring machine envelope, can preferably overcome axis
The problem of degree of disturbing, bellows type mechanical seal back-to-back installation are passed through Seal Oil in cavity and are lubricated to machine envelope.It is quiet inside and outside external seal
Ring seat is mounted with outside framework oil seal, can be very good to prevent after machine seals failure, to object caused by a large amount of Seal Oil internal and outernal leakage
The pollution of material and environment.
And the utility model seals inside and forms air seal among external seal, is passed through N in stationary ring air flue2, shape
At gas wall, silicon powder and gas to leakage purge again.It is sealed by inside and outside two-stage, sealing stops layer by layer, extends machine
The service life of envelope, greatly alleviates repair density, protects environment, increases safety.
Detailed description of the invention
Fig. 1 is the assembling schematic diagram of the utility model；
Fig. 2 is the interior sealing schematic diagram of the utility model；
Fig. 3 is the external seal of the utility model.
Specific embodiment
The utility model is described in detail below in conjunction with attached drawing 1- Fig. 3, to the skill in the utility model embodiment
Art scheme is clearly and completely described, it is clear that and the described embodiments are only a part of the embodiments of the utility model, and
The embodiment being not all of.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creativeness
Every other embodiment obtained, fall within the protection scope of the utility model under the premise of labour.
As shown in Figure 1-Figure 3, the utility model is provided herein as shown in Figure 1, a kind of machinery for slurry evaporator is close
Envelope, including the axle sleeve 2 for being installed on evaporator shaft 1 and being driven by driving key 4, which is fixed on evaporator by nut 3
Shaft 1；Interior sealing 100 and external seal 200 are equipped with this from inside to outside on the axle sleeve 2；The interior sealing 100 and external seal
It has been arranged radially gas seal groove 5 between 200, external gas is accessed by the gas seal groove 5 and constitutes air seal.
In the present embodiment, as shown in Fig. 2, interior sealing 100 includes sealing block 7, the sealing block 7 is by screw A12 and steams
It sends out device cavity 6 to connect, and axle sleeve 2 is installed on by water-sealed component 8；Wherein it is provided between sealing block 7 and evaporator cavity 6
Sealing ring；
7 inside of sealing block and axle sleeve contact position, offer two sections of comb teeth 11, and offer among two sections of comb teeth
Stomata；
The sealing block 7 offers gas via-hole 10,10 one end of gas via-hole and the air flue for being provided with evaporator cavity
A9 connection, the other end are connected to the stomata of comb teeth.
In the present embodiment, as shown in figure 3, external seal 200 includes interior stationary seat 15, cavity 26 and outer stationary seat 25；
The interior stationary seat 15 is connect by screw B13 with evaporator cavity 6, and is installed on axle sleeve by outside framework oil seal 18
2, gas seal groove 5 is formed between interior stationary seat 15 and sealing block 7；
Described 26 one end of cavity is connect by screw 17 with interior stationary seat 15, and the other end passes through screw C27 and outer stationary seat
25 connections, and seal chamber is formed between surface and axle sleeve in the cavity, cavity both ends junction is separately installed with sealing ring；
The outer stationary seat 25 is installed on axle sleeve 2 by outside framework oil seal 18, and passes through locating clamp plate 23 and spiral shell in its end
Nail 24 is fixed on axle sleeve 2.
In the present embodiment, 15 radial direction of interior stationary seat offers the air flue B16 being connected to gas seal groove 5.
In the present embodiment, sylphon seal group is installed in the seal chamber inside the cavity 26, it is close in the bellows
Envelope group both ends are separately installed with stationary ring 19, wherein the stationary ring 19 being located on the inside of sylphon seal group is fixed by pin and interior stationary seat
Position, and be fixed on interior stationary seat using screw, sealing ring is installed between the stationary ring and interior stationary seat；
Wherein it is located at the stationary ring 19 on the outside of sylphon seal group to position by pin 22 and outer stationary seat, and solid using screw
It is scheduled on outer stationary seat, sealing ring is installed between the stationary ring and outer stationary seat.
In the present embodiment, it is perfused with Seal Oil inside the seal chamber of the cavity 26, the component of the inside is lubricated.
In the present embodiment, the sylphon seal group is constructed by two bellows mechanical seals reversely installed 20, and two
A bellows mechanical seal 20 is fixed on axle sleeve 2 by screw 21 respectively；The bellows mechanical seal 20 and axle sleeve it
Between sealing ring is installed, the sealing ring be O-ring seal.
In the present embodiment, 26 lateral surface of cavity is connected through a screw thread mode and is equipped with lifting lug 28.
In the present embodiment, sealing ring is installed between the axle sleeve 2 and evaporator shaft 1, and in axle sleeve inner end and is steamed
Wedge-type seal pad 14 is also equipped between hair device shaft 1.
The utility model assembling and installation are as follows:
Firstly, interior sealing is mounted in evaporator chamber body by multiple screws, sealing block is installed in evaporator inside cavities；It is close
Envelope block machined inside and outside two groups of comb teeth, forms cavity in two groups of comb teeth, multiple apertures and evaporator cavity are machined on cavity
Air flue connection.Secondly, external seal is connect by multiple screws with evaporator cavity.Cavity is machined on the inside of interior stationary seat to be used for
Installation inside outside framework oil seal, while preventing inside stationary ring from rotating with pin, multiple screws are fixed；Equally it is machined in outer stationary seat
Cavity prevents outside stationary ring from rotating for installing outside outside framework oil seal, with pin, is fixed using multiple screws；Two corrugated headers
It is screwed on axle sleeve, is rotated with axle sleeve.First interior stationary seat is connect with multiple screws with cavity when assembling, then will be consolidated
The axle sleeve for having determined bellows is put into, then outer stationary seat screw is connect with cavity, finally will by multiple screws and locating clamp plate
Axle sleeve is fixed thereto.When in-site installation, need first by interior sealing by screw load facility cavity, then the external seal of axle sleeve will be had
It is mounted in equipment outboard chambers with multiple screws, when installation pays attention to the keyway of axle sleeve dowel hole alignment apparatus axis, multiple transmissions
After key is attached to position, with nut locking axle sleeve, multiple locating clamp plates are removed at this time.There are wedge-type seal pad and O-ring anti-on the inside of axle sleeve
Silicon powder is stopped to leak between axle sleeve and axis, has solved the problems, such as that axle sleeve is not easy to remove when maintenance.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (9)
1. a kind of mechanical seal for slurry evaporator, including be installed on evaporator shaft (1) and driven by driving key (4)
Axle sleeve (2), which is fixed on evaporator shaft (1) by nut (3)；It is characterized by: by introversion on the axle sleeve (2)
It is sequentially installed with interior sealing (100) and external seal (200) outside；It is arranged radially between interior sealing (100) and the external seal (200)
There are gas seal groove (5), external gas is accessed by the gas seal groove (5) and constitutes air seal.
2. a kind of mechanical seal for slurry evaporator according to claim 1, it is characterised in that: the interior sealing
(100) include sealing block (7), which passes through screw A(12) it is connect with evaporator cavity (6), and pass through water seal group
Part (8) is installed on axle sleeve (2)；
With axle sleeve contact position on the inside of the sealing block (7), two sections of comb teeth (11) are offered, and offer among two sections of comb teeth
Stomata；
The sealing block (7) offers gas via-hole (10), gas via-hole (10) one end and the gas for being provided with evaporator cavity
Road A(9) it is connected to, the other end is connected to the stomata of comb teeth.
3. a kind of mechanical seal for slurry evaporator according to claim 1 or claim 2, it is characterised in that: external seal (200)
Including interior stationary seat (15), cavity (26) and outer stationary seat (25)；
The interior stationary seat (15) passes through screw B(13) it is connect with evaporator cavity (6), in interior stationary seat (15) and sealing block
(7) gas seal groove (5) are formed between；
The cavity (26) is connect by screw with interior stationary seat (15), is connect by screw C(27) with outer stationary seat (25), and
Seal chamber is formed between surface and axle sleeve in the cavity；
The outer stationary seat (25) is fixed on axle sleeve (2) by locating clamp plate (23) and screw in its end.
4. a kind of mechanical seal for slurry evaporator according to claim 3, it is characterised in that: the interior stationary seat
(15) radial direction offers the air flue B(16 being connected to gas seal groove (5)).
5. a kind of mechanical seal for slurry evaporator according to claim 3, it is characterised in that: in the cavity (26)
Sylphon seal group is installed in the seal chamber in portion, is separately installed with stationary ring (19) at the sylphon seal group both ends, wherein position
Stationary ring (19) on the inside of sylphon seal group is positioned by pin and interior stationary seat, and is fixed on interior stationary seat using screw
On；Wherein it is located at the stationary ring (19) on the outside of sylphon seal group to position by pin and outer stationary seat, and is fixed on using screw
On outer stationary seat.
6. a kind of mechanical seal for slurry evaporator according to claim 5, it is characterised in that: in the cavity (26)
Portion is perfused with Seal Oil.
7. a kind of mechanical seal for slurry evaporator according to claim 5, it is characterised in that: the sylphon seal
Group is constructed by two bellows mechanical seals reversely installed (20), and two bellows mechanical seals (20) pass through spiral shell respectively
Nail is fixed on axle sleeve (2).
8. a kind of mechanical seal for slurry evaporator according to claim 3, it is characterised in that: the cavity (26) is outside
Side is fixedly connected with lifting lug (28).
9. a kind of mechanical seal for slurry evaporator according to claim 1, it is characterised in that: the axle sleeve (2) with
Sealing ring is installed between evaporator shaft (1), and is also equipped with wedge-type seal between axle sleeve inner end and evaporator shaft (1)
It pads (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821563444.6U CN208919333U (en) | 2018-09-26 | 2018-09-26 | A kind of mechanical seal for slurry evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821563444.6U CN208919333U (en) | 2018-09-26 | 2018-09-26 | A kind of mechanical seal for slurry evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208919333U true CN208919333U (en) | 2019-05-31 |
Family
ID=66706910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821563444.6U Active CN208919333U (en) | 2018-09-26 | 2018-09-26 | A kind of mechanical seal for slurry evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208919333U (en) |
-
2018
- 2018-09-26 CN CN201821563444.6U patent/CN208919333U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102410383B (en) | Internal sealing specific pressure-regulable fixed-ball ball valve | |
| CN105090518A (en) | Corrugated pipe type dry gas seal device and seal method | |
| CN104214345A (en) | Multi-level sealing device | |
| CN208919333U (en) | A kind of mechanical seal for slurry evaporator | |
| CN204647324U (en) | A kind of guide flowing type labyrinth gland | |
| CN204164363U (en) | Multistage split type seal arrangement | |
| CN101694259B (en) | Maintenance-free bidirectional rotary compensator | |
| CN205154485U (en) | Sealed lid of generator guide bearing oil pan | |
| CN204201092U (en) | A kind of bi-directional combination ring gear seal arrangement | |
| CN204201093U (en) | A kind of two-way slide ring seal | |
| CN107355543B (en) | External flushing built-in bearing cartridge type mechanical seal | |
| CN103851289B (en) | Large high-temperature chicksan | |
| CN201902563U (en) | Assembling type mechanism sealing device for double layer double end plane welded metal bellows | |
| CN108223800A (en) | A kind of filter and its shaft seal assembly with excellent seal | |
| CN200975264Y (en) | Labyrinth sealing | |
| CN207687345U (en) | A kind of filter and its shaft seal assembly with excellent seal | |
| CN210890100U (en) | External radial multi-lip bidirectional Z-shaped sealing device | |
| CN110513484A (en) | A kind of combined type pass damping seal with flanging damping type hole | |
| CN207132368U (en) | Air preheater central tube cool and heat ends sealing structure | |
| CN206786094U (en) | A kind of side valve cap valve | |
| CN204647325U (en) | A kind of guide flowing type seal arrangement be installed in multidiameter shaft | |
| CN207740051U (en) | A kind of bearing air hermetic oil catch | |
| CN201502829U (en) | maintenance-free bidirectional rotary compensator | |
| CN204647320U (en) | A kind of assembly type water conservancy diversion seal arrangement | |
| CN218888277U (en) | Water leakage prevention device for water inlet support of generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |