CN201535609U - Sealing structure of steam rotary cylinder dryer for powdered coal - Google Patents
Sealing structure of steam rotary cylinder dryer for powdered coal Download PDFInfo
- Publication number
- CN201535609U CN201535609U CN2009201442723U CN200920144272U CN201535609U CN 201535609 U CN201535609 U CN 201535609U CN 2009201442723 U CN2009201442723 U CN 2009201442723U CN 200920144272 U CN200920144272 U CN 200920144272U CN 201535609 U CN201535609 U CN 201535609U
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- wire rope
- wear plate
- protective cover
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Abstract
The utility model relates to a sealing structure of a steam rotary cylinder dryer for powdered coal. The sealing structure is composed of seal components arranged inside a cylinder and gravity radial compensation devices arranged outside the cylinder. In each seal component, two adjacent wear-resistant plates and a fixed plate are overlapped upon each other and mounted in sequence in the direction of the cylinder, the wear-resistant plate that is second in sequence is stacked upon the other wear-resistant plate, and the pressure exerted by the fixed plate ensures internal sealing reliability of the cylinder. The gravity radial compensation devices ensure that the seal components are in seamless contact with the sealing surface of the cylinder, while compensating for rotary deviation related to the concentricity of the cylinder. The utility model solves the problems of the prior art, and ensures that the steam rotary cylinder dryer for powdered coal achieves a good sealing effect.
Description
Technical field
The utility model relates to a kind of hermetically-sealed construction of novel fine coal steam rotary drum drier.
Prior art
In the fine coal dry run, if the oxygen content in the drying machine surpasses 14%, fine coal is easy to generate combustion explosion, and for this reason, reliable design, reasonably the drying machine hermetically-sealed construction is most important.At present, the hermetically-sealed construction of fine coal steam rotary drum drier commonly used in the industry mainly adopts the combined sealing structure, labyrinth seal structure, radially contact seal structure of packing seal structure, wire asbestos board and spring etc.The major defect of above hermetically-sealed construction: (1) sealing part abrasion is serious; (2) deviation of revolving drum concentricity, seal produces eccentric, causes sealing leak serious; (3) there are not axial reliably, radial compensation device; (4) single hermetically-sealed construction; (5) the linear velocity height of seal use causes heating serious; (6), be difficult on large-scale revolving drum drier, using because of the restriction of hermetically-sealed construction; (7) structure is huge, is not easy to install, dismantles, overhauls and safeguards; (8) seal durability is short.
Summary of the invention
At the defective of existing dry hermetically-sealed construction, the purpose of this utility model is to provide a kind of novel fine coal steam rotary drum drier hermetically-sealed construction, is intended to overcome the deficiency that steam rotary drum drier hermetically-sealed construction commonly used exists in the dry production of fine coal.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of hermetically-sealed construction of fine coal steam rotary drum drier is made up of black box in the cylinder and the outer gravity radial compensation device of cylinder.Black box comprises protective cover, pump orifice, the side plate that is tightly connected, discharging casing, connecting bolt, the cone that is tightly connected, wear plate, seal, stator, steel wire rope hook, steel wire rope, wearing plate, cylinder sealing panel, cylinder, protective cover sealing clamp, gasket seal and connecting bolt; Gravity radial compensation device comprises pulley, pulley holder, steel wire rope hook and counterweight.Black box is a cone structure, assembles with drying machine discharging casing; Cone, wear plate, seal, stator of being tightly connected and steel wire rope hook are connected with bolt, fixed with the side plate that is tightly connected, wear plate and cylindrical shell contact site are provided with wearing plate, weld with wear plate flanging position, wear plate and stator and feed box cone connecting portion adopt the punching press slotted hole, adjacent two wear plates and stator is overlapping and install successively along cylindrical direction, and a back wear plate is pressed on the previous wear plate; The protective cover sealing clamp is connected by bolt with gasket seal, and gasket seal is divided into 4～8 lobes according to the size of drum diameter, is clipped in the middle of wear plate and the stator; The counterweight of gravity radial compensation device adopts the structure of similar sliding weight of steelyard, hang on the steel wire rope hook, steel wire rope along the circumferential direction is bundled in one week of seal position from top to bottom, hang on the pulley after the tension from the bottom up then, and connect in the counterweight steel wire rope hook, black box is provided with steel wire rope hook and protective cover outward, there is pump orifice in the protective cover outside, side plate is tightly connected, protective cover and feed box body and function bolt are fixed, be same as with protective cover sealing clamp and gasket seal and be fixed on the cylinder sealing panel, cylinder is provided with cinder-discharging port.
Above-mentioned wear plate and stator are divided into the small pieces that specification equates according to the size of drum diameter, and the flanging structure is adopted in the small pieces edge, flanging angle and the complementation of cone angle, and the flanging position contacts with the cylindrical shell sealing surface,
The seam crossing of the every lobe of above-mentioned gasket seal adopts the chamfering stack, and adopts the fluid sealant bonding, and the not projection of position that superposes, and the position height is not identical with superposeing.
The beneficial effect of advantage of the present utility model and generation is:
The utility model adopts black box and the outer gravity radial compensation device of cylinder in the cylinder, and seal adopts rubber, under the stator pressuring action, is used to compensate the gap of the generation that the wear plate partial stack installs, and guarantees the reliability of sealing; Gravity radial compensation device makes black box be close to the cylinder sealing surface, and compensation has guaranteed the good sealing effectiveness of fine coal steam rotary dryer because of the rotating deviation that the cylinder concentricity produces.
Description of drawings
Fig. 1 is the total schematic diagram of the utility model.
Fig. 2 is the sectional side view of Fig. 1.
Fig. 3 is Fig. 1 black box schematic diagram.
Fig. 4 is Fig. 1 pulley assembly schematic diagram.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is further described again:
Shown in Fig. 2-4, a kind of hermetically-sealed construction of fine coal steam rotary drum drier is made up of black box in the cylinder and the outer gravity radial compensation device of cylinder.Black box comprises protective cover 1, pump orifice 2, the side plate 3 that is tightly connected, discharging casing 4, connecting bolt 5, the cone that is tightly connected 6, wear plate 7, seal 8, stator 9, steel wire rope hook 10, steel wire rope 11, wearing plate 12, cylinder sealing panel 13, cylinder 14, protective cover sealing clamp 15, gasket seal 16 and connecting bolt 17; Gravity radial compensation device comprises pulley 18, pulley holder 19, steel wire rope hook 20 and counterweight 21.Black box is a cone structure, assembles with drying machine feed box cone; The cone that is tightly connected 6, wear plate 7, seal 8, stator 9 and steel wire rope hook 10 usefulness bolts 5 are connected, and side plate 3 is fixed with being tightly connected.Wear plate 7 and stator 9 are divided into the small pieces that specification equates according to the size of cylinder 14 diameters, are convenient to install, dismantle and change.The flanging structure is adopted in the small pieces edge, flanging angle and the complementation of cone angle, and the flanging position contacts with cylindrical shell 14 sealing surfaces, has increased the contact area with the cylindrical shell sealing surface; Wear plate 7 is provided with the wearing plate 12 that thickness is 2mm with the cylindrical shell contact site, and weld with wear plate 7 flanging positions, wear plate 7 and stator 9 adopt the punching press slotted hole with feed box cone connecting portion, be convenient to install and adjust, adjacent two wear plates 7 and stator 9 are overlapping and install successively along cylinder 14 directions, and a back wear plate 7 must be pressed on the previous wear plate 7; Protective cover sealing clamp 15 is connected by bolt 17 with gasket seal 16, gasket seal 16 is divided into 8 lobes according to the size of cylinder 14 diameters, be clipped in the middle of wear plate 7 and the stator 9, the seam crossing of every lobe adopts the chamfering stack, and adopt fluid sealant to bond, and projection is not answered at the stack position, should be identical with the position height that do not superpose.Be close to cylinder 14 sealing surfaces in order to make black box, and compensation is because of the rotating deviation of cylinder 14 concentricitys generation, the counterweight 21 of gravity radial compensation device adopts the structure of similar sliding weight of steelyard, hang on the steel wire rope hook 20, steel wire rope 11 along the circumferential direction is bundled in seal one week of 8 positions from top to bottom, hangs on the pulley 18 after the tension from the bottom up then, and connects in counterweight 21 steel wire rope hooks 20, for preventing the steel wire rope landing, black box is provided with steel wire rope hook 10 and protective cover 1 outward.There are the pump orifice 2 and the side plate 3 that is tightly connected in protective cover 1 outside.Protective cover 1 is fixed with discharging casing 4 usefulness bolts, is same as with protective cover sealing clamp 15 and gasket seal 16 to be fixed on the cylinder sealing panel 13, is convenient to collect a spot of fine coal and reveals.Air-introduced machine combination by pipeline and main system, under the effect of induced draft blower withdraws, remain little negative pressure in the protective cover, a small amount of fine coal of leakage enters into follow-up main dust pelletizing system by suction, guarantees that the fine coal steam rotary dryer has good sealing effectiveness.
Claims (3)
1. the hermetically-sealed construction of a fine coal steam rotary drum drier is made up of black box in the cylinder and the outer gravity radial compensation device of cylinder; Black box comprises protective cover (1), pump orifice (2), the side plate that is tightly connected (3), discharging casing (4), connecting bolt (5), the cone that is tightly connected (6), wear plate (7), seal (8), stator (9), steel wire rope hook (10), steel wire rope (11), wearing plate (12), cylinder sealing panel (13), cylinder (14), protective cover sealing clamp (15), gasket seal (16) and connecting bolt (17); Gravity radial compensation device comprises pulley (18), pulley holder (19), steel wire rope hook (20) and counterweight (21); It is characterized in that black box is a cone structure, assemble with drying machine discharging casing (4); The cone that is tightly connected (6), wear plate (7), seal (8), stator (9) and steel wire rope hook (10) are connected with bolt (5), fixed with the side plate that is tightly connected (3), wear plate (7) is provided with wearing plate (12) with the cylindrical shell contact site, weld with wear plate (7) flanging position, wear plate (7) and stator (9) are the punching press slotted hole with feed box cone connecting portion, adjacent two wear plates (7) and stator (9) are overlapping and install successively along cylinder (14) direction, and a back wear plate (7) is pressed on the previous wear plate (7); Protective cover sealing clamp (15) is connected by bolt (17) with gasket seal (16), and gasket seal (16) is divided into 4～8 lobes according to the size of cylinder (14) diameter, is clipped in the middle of wear plate (7) and the stator (9); The counterweight (21) of gravity radial compensation device adopts the structure of similar sliding weight of steelyard, hang on the steel wire rope hook (20), steel wire rope (11) along the circumferential direction is bundled in seal (8) one week of position from top to bottom, hang on the pulley (18) after the tension from the bottom up then, and connect in counterweight (21) steel wire rope hook (20), black box is provided with steel wire rope hook (10) and protective cover (1) outward, there are pump orifice (2) and the side plate that is tightly connected (3) in protective cover (1) outside, protective cover (1) is fixed with bolt with discharging casing (4), with protective cover sealing clamp (15), gasket seal (16) is same as and is fixed on the cylinder sealing panel (13), and cylinder (14) is provided with cinder-discharging port (22).
2. the hermetically-sealed construction of a kind of fine coal steam rotary drum drier according to claim 1, it is characterized in that: above-mentioned wear plate (7) and stator (9) are divided into the small pieces that specification equates according to the size of cylinder (14) diameter, the flanging structure is adopted in the small pieces edge, flanging angle and the complementation of cone angle, the flanging position contacts with cylindrical shell (14) sealing surface
3. the hermetically-sealed construction of a kind of fine coal steam rotary drum drier according to claim 1,. it is characterized in that: the seam crossing of the every lobe of above-mentioned gasket seal (16) adopts the chamfering stack, and adopt the fluid sealant bonding, and the not projection of position that superposes, the position height is not identical with superposeing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201442723U CN201535609U (en) | 2009-11-10 | 2009-11-10 | Sealing structure of steam rotary cylinder dryer for powdered coal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201442723U CN201535609U (en) | 2009-11-10 | 2009-11-10 | Sealing structure of steam rotary cylinder dryer for powdered coal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201535609U true CN201535609U (en) | 2010-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201442723U Expired - Lifetime CN201535609U (en) | 2009-11-10 | 2009-11-10 | Sealing structure of steam rotary cylinder dryer for powdered coal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201535609U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102620545A (en) * | 2012-01-13 | 2012-08-01 | 安徽图强生化容器制造有限公司 | Regulating mechanical hand for regenerated rubber dryer |
| CN103388975A (en) * | 2013-08-21 | 2013-11-13 | 湖南三德科技股份有限公司 | Automatic sealing device for venting dehumidification dryer |
| CN110005813A (en) * | 2019-05-13 | 2019-07-12 | 江苏海建股份有限公司 | A kind of tensioned graphite seal device |
-
2009
- 2009-11-10 CN CN2009201442723U patent/CN201535609U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102620545A (en) * | 2012-01-13 | 2012-08-01 | 安徽图强生化容器制造有限公司 | Regulating mechanical hand for regenerated rubber dryer |
| CN103388975A (en) * | 2013-08-21 | 2013-11-13 | 湖南三德科技股份有限公司 | Automatic sealing device for venting dehumidification dryer |
| CN103388975B (en) * | 2013-08-21 | 2015-06-03 | 湖南三德科技股份有限公司 | Automatic sealing device for venting dehumidification dryer |
| CN110005813A (en) * | 2019-05-13 | 2019-07-12 | 江苏海建股份有限公司 | A kind of tensioned graphite seal device |
| CN110005813B (en) * | 2019-05-13 | 2024-02-13 | 江苏海建股份有限公司 | Spring tensioning graphite sealing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TIANHUA INSTITUTE OF CHEMICAL MACHINERY + AUTOMATI Free format text: FORMER OWNER: RUIDE DRYING TECHNOLOGY CO., LTD., LANZHOU Effective date: 20121011 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20121011 Address after: 730060 Gansu city of Lanzhou province Xigu District Heshui Road No. 3 Patentee after: Tianhua Chemical Machinery & Automation Research Inst. Address before: 730060 Gansu city of Lanzhou province Xigu District Heshui Road No. 3 Patentee before: Ruide Drying Technology Co., Ltd., Lanzhou |
|
| C56 | Change in the name or address of the patentee |
Owner name: TIANHUA INSTITUTE OF CHEMICAL MACHINERY + AUTOMATI Free format text: FORMER NAME: TIANHUA INSTITUTE OF CHEMICAL MACHINERY AND AUTOMATION |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 730060 Gansu city of Lanzhou province Xigu District Heshui Road No. 3 Patentee after: Tianhua Institute of Chemical Machinery & Automation Co., Ltd. Address before: 730060 Gansu city of Lanzhou province Xigu District Heshui Road No. 3 Patentee before: Tianhua Chemical Machinery & Automation Research Inst. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100728 |
|
| CX01 | Expiry of patent term |