CN206458821U - A kind of medium-speed pulverizer lower frame sealing ring - Google Patents
A kind of medium-speed pulverizer lower frame sealing ring Download PDFInfo
- Publication number
- CN206458821U CN206458821U CN201621423352.9U CN201621423352U CN206458821U CN 206458821 U CN206458821 U CN 206458821U CN 201621423352 U CN201621423352 U CN 201621423352U CN 206458821 U CN206458821 U CN 206458821U
- Authority
- CN
- China
- Prior art keywords
- sealing
- seal
- ring
- sealing shroud
- shroud
- 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
- 238000007789 sealing Methods 0.000 title claims abstract description 121
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 21
- 239000013078 crystal Substances 0.000 claims abstract description 20
- 238000012856 packing Methods 0.000 claims abstract description 10
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 3
- 239000004568 cement Substances 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000005272 metallurgy Methods 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000003245 coal Substances 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 2
- 239000002817 coal dust Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 238000011109 contamination Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
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- Crushing And Grinding (AREA)
Abstract
A kind of medium-speed pulverizer lower frame sealing ring, including seal ring body, carbon crystal ring assembly, seal, sealing shroud, seal sleeve hanger, sealing flange, sealed packing, mounting flange, fastening bolt, seal ring body is provided with an annular seal space A, carbon crystal ring assembly is arranged in the seal groove B in seal ring body, seal ring body is arranged on seal, it is arranged on after seal good relative position to be adjusted on mounting flange, sealing shroud is fixed on seal upper end, sealing shroud and sealing flange, sealed packing formation labyrinth sealing chamber C, sealing sleeve hanger is by tightened bolt presses on sealing shroud, sealing sleeve hanger bottom is brought into close contact and locked with sealing shroud, prevent sealing shroud slide downward.The utility model is purged by increasing high pressure sealing wind E to carbon crystal sealing ring, ensure that the normal of carbon crystal sealing ring is used, reduce fault rate, reduce maintenance cost, by increasing sealing sleeve hanger, applied in electric power, chemical industry, metallurgy, cement, mine technology field.
Description
Technical field
The utility model is related to a kind of medium-speed pulverizer undercarriage in electric power, chemical industry, metallurgy, cement, mine technology field
Body sealing ring.
Background technology
At present, the medium-speed pulverizer of production is widely used in the industries such as electric power, chemical industry, metallurgy, cement, wherein electric power and change
Industrial and commercial bank's industry coal pulverizer is operation under positive pressure, in order to prevent leakage of pulverized coal, it is necessary to assure coal pulverizer favorable sealing property.Former lower frame is close
Seal ring uses carbon crystal sealing ring and labyrinth seal, but scene often occur that sealing air leakage is serious and sealing blast not enough etc. now
As, so that cause leakage of pulverized coal in grinding machine serious, severe contamination external working environment.To find out its cause, close mainly due to carbon crystal
Seal clearance is damaged or can not be effectively ensured to seal ring.The demand of medium-speed pulverizer lower frame sealing ring is extremely urgent.Therefore develop
A kind of medium-speed pulverizer lower frame sealing ring is the domestic and international new problem for being badly in need of solving.
The content of the invention
The purpose of this utility model is to provide a kind of medium-speed pulverizer lower frame sealing ring, and the utility model is under original
It is improved on the basis of support body sealing ring, so that coal pulverizer lower frame transmission portion has good sealing property, it is to avoid mill
Interior leakage of pulverized coal.
What the purpose of this utility model was realized in：A kind of medium-speed pulverizer lower frame sealing ring, including seal ring body,
Carbon crystal ring assembly, seal, sealing shroud, sealing sleeve hanger, sealing flange, sealed packing, mounting flange, fastening bolt,
Seal ring body is arranged in the seal groove B in seal ring body provided with an annular seal space A, carbon crystal ring assembly, is sealed
Ring body is arranged on seal, is arranged on after seal good relative position to be adjusted on mounting flange, sealing shroud is fixed on sealing
Body upper end, sealing shroud passes through tightened bolt presses with sealing flange, sealed packing formation labyrinth sealing chamber C, sealing sleeve hanger
On sealing shroud, sealing sleeve hanger bottom is brought into close contact and locked with sealing shroud, prevents sealing shroud slide downward；Sealing shroud
It is 1-2mm with sealing flange gap.
The structure of the present utility model for being characterized by it.Its operation principle is：In first of carbon crystal sealing ring and second
It is provided between carbon crystal sealing ring in an annular seal space A, annular seal space A and is passed through high pressure sealing wind M, due to high pressure sealing wind M
Be blown into, can effectively prevent destruction of the stone coal particle to carbon crystal sealing ring, it is effective to improve making for carbon crystal sealing ring group
Use the life-span；In order to ensure the seal clearance between sealing shroud and sealing flange, prevent sealing shroud from being glided during grinding machine is run,
Increase by one seals sleeve hanger on sealing shroud, and the sealing sleeve hanger is in-site installation, good sealing shroud to be adjusted and sealing flange gap
Scene curves hook afterwards, and is fixed on by bolt presses on sealing shroud.
A kind of medium-speed pulverizer lower frame sealing ring compared with prior art, with by increasing high pressure sealing wind E to carbon
Brilliant sealing ring is purged, it is ensured that the normal of carbon crystal sealing ring is used, and reduces fault rate, reduces maintenance cost, close by increasing
Big envelope is linked up with, it is to avoid because seal clearance changes the phenomenons such as the sealing air blast brought reduction, sealing air temperature rise, improve mill
The advantages of machine is leaked, will be widely used in electric power, chemical industry, metallurgy, cement, mine technology field.
Brief description of the drawings
Below in conjunction with the accompanying drawings and implement the utility model is described in detail.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is Fig. 1 of the present utility model I portions schematic enlarged-scale view
Fig. 3 is Fig. 1 of the present utility model II schematic enlarged-scale view.
Embodiment
Referring to the drawings, a kind of medium-speed pulverizer lower frame sealing ring, including it is seal ring body 1, carbon crystal ring assembly 2, close
Seal on body 3, sealing shroud 4, sealing sleeve hanger 5, sealing flange 6, sealed packing 7, mounting flange 8, fastening bolt 9, seal ring body 1
Provided with an annular seal space A, carbon crystal ring assembly 2 is arranged in the seal groove B in seal ring body 1, and seal ring body 1 is installed
On seal 3, it is arranged on after the good relative position to be adjusted of seal 3 on mounting flange 8, sealing shroud 4 is fixed on seal 3
End, sealing shroud 4 is compressed with sealing flange 6, the formation labyrinth sealing chamber C of sealed packing 7, sealing sleeve hanger 5 by fastening bolt 9
On sealing shroud 4, the sealing bottom of sleeve hanger 5 is brought into close contact and locked with sealing shroud 4, prevents the slide downward of sealing shroud 4.
Sealing shroud 4 is 1-2mm with the gap of sealing flange 6.
The utility model is further discussed below with reference to embodiment：
The seal ring body of medium-speed pulverizer lower frame sealing ring is divided into 4 sections, and 4 sections of seal ring body groups are to rear handle and in seal
On, carbon crystal ring assembly totally three road is placed in the groove B on the inside of seal ring body, and by spring band on transmission mill,
Effective sealing is formed, seal ring body is provided with an annular seal space A, and sealing shroud is fixed on seal upper end, with Sealing Method
Blue, sealed packing formation labyrinth sealing chamber C, sealing sleeve hanger 5 is pressed on sealing shroud 4 by fastening bolt 9, and sealing is hitched
The bottom of hook 5 hooks sealing shroud 4.
Carbon crystal ring assembly 2 is placed in the seal groove in seal ring body 1, due to being had sometimes in grinding machine running
Pebble coal is stuck in seal groove, causes carbon crystal ring assembly to damage, in order to avoid the situation, new lower frame sealing ring is two
Provided with one annular seal space A between road sealing groove, and it is passed through into annular seal space A high pressure sealing wind M（Than in big annular seal space
The high 2kPa of D mesolow sealing air N）, it is ensured that high pressure sealing wind M is blowed to outside big annular seal space D and grinding machine respectively, so as to avoid stone
Coal is stuck in seal groove.Sealing shroud 4 and sealing flange 6 and the formation labyrinth sealing C of sealed packing 7, sealing shroud 4 and sealing flange
6 gaps are 1-2mm, and sealing shroud 4 is bolted on seal 3, due to having certain vibration in grinding machine running,
Bolt fluffs, and causes sealing shroud 4 to glide, and seal clearance becomes big, and big annular seal space D interior sealings blast reduction, coal dust enters big sealing
Chamber D, in order to avoid the generation of the phenomenon, sealing shroud 4 is caught on, prevented by spy's increase sealing sleeve hanger 5 by sealing sleeve hanger 5
Sealing shroud 4 glides.It by being improved to sealing ring, can effectively prevent grinding machine from leaking coal dust, greatly improve grinding machine fortune
Row stability.
Claims (2)
1. a kind of medium-speed pulverizer lower frame sealing ring, including it is seal ring body, carbon crystal ring assembly, seal, sealing shroud, close
Big envelope hook, sealing flange, sealed packing, mounting flange, fastening bolt, it is characterised in that：Seal ring body is provided with a ring
Shape annular seal space A, carbon crystal ring assembly is arranged in the seal groove B in seal ring body, and seal ring body is arranged on seal, close
Seal after body good relative position to be adjusted and be arranged on mounting flange, sealing shroud is fixed on seal upper end, sealing shroud and Sealing Method
Blue, sealed packing formation labyrinth sealing chamber C, sealing sleeve hanger on sealing shroud, seals sleeve hanger by tightened bolt presses
Bottom is brought into close contact and locked with sealing shroud, prevents sealing shroud slide downward.
2. a kind of medium-speed pulverizer lower frame sealing ring according to claim 1, it is characterised in that：Sealing shroud and Sealing Method
Your beautiful writings gap is 1-2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621423352.9U CN206458821U (en) | 2016-12-23 | 2016-12-23 | A kind of medium-speed pulverizer lower frame sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621423352.9U CN206458821U (en) | 2016-12-23 | 2016-12-23 | A kind of medium-speed pulverizer lower frame sealing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206458821U true CN206458821U (en) | 2017-09-01 |
Family
ID=59697383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621423352.9U Expired - Fee Related CN206458821U (en) | 2016-12-23 | 2016-12-23 | A kind of medium-speed pulverizer lower frame sealing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206458821U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114658852A (en) * | 2022-03-31 | 2022-06-24 | 华能国际电力股份有限公司丹东电厂 | A medium-speed coal mill lower frame gas seal sealing device |
-
2016
- 2016-12-23 CN CN201621423352.9U patent/CN206458821U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114658852A (en) * | 2022-03-31 | 2022-06-24 | 华能国际电力股份有限公司丹东电厂 | A medium-speed coal mill lower frame gas seal sealing device |
| CN114658852B (en) * | 2022-03-31 | 2025-08-08 | 华能国际电力股份有限公司丹东电厂 | A gas seal device in the lower frame of a medium-speed coal mill |
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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: 20170901 Termination date: 20181223 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |