CN112128379A - Sealing and cushioning device for large-scale rotating cylinder - Google Patents
Sealing and cushioning device for large-scale rotating cylinder Download PDFInfo
- Publication number
- CN112128379A CN112128379A CN202011202923.7A CN202011202923A CN112128379A CN 112128379 A CN112128379 A CN 112128379A CN 202011202923 A CN202011202923 A CN 202011202923A CN 112128379 A CN112128379 A CN 112128379A
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- sealing
- cylinder
- plate
- fixing ring
- cushioning
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
- B01J19/0073—Sealings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
- F16F15/0232—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means with at least one gas spring
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Sealing Devices (AREA)
Abstract
The invention discloses a sealing and shock-absorbing device for a large-scale rotary cylinder, which comprises two cylinder sealing assemblies and two sealing shock-absorbing and pressure-resisting mechanisms, wherein the two cylinder sealing assemblies are symmetrically fixed at two ends of the rotary cylinder, and the two sealing shock-absorbing and pressure-resisting mechanisms are respectively in sliding seal with the two cylinder sealing assemblies; the cylinder body sealing assembly comprises a cylinder body end plate, a sealing outer cylinder, a sealing inner cylinder and a first sealing fixing ring; the sealing cushioning compression-resistant mechanism comprises an end plate, a sealing arc plate, a sealing support ring, a second sealing fixing ring, a sealing bottom plate, a sealing sliding plate and a cushioning device; in the rotating operation process of the rotating cylinder body, the sealing cushioning compression-resisting mechanism can play a good sealing effect on the rotating cylinder body, and the vibration generated in the rotating process can be absorbed by the nitrogen spring in the cushioning device, so that the mutual extrusion friction between the sealing inner cylinder and the sealing cylinder is reduced, the service lives of the sealing inner cylinder and the sealing cylinder are effectively prolonged, the maintenance frequency is reduced, and finally the working efficiency is effectively improved.
Description
Technical Field
The invention relates to a cylinder sealing and shock absorption device, in particular to a sealing and shock absorption device for a large-scale rotating cylinder.
Background
The sealing problem that most of existing large-scale rotating barrel equipment with requirements on sealing performance cannot well solve is solved, a small part of equipment capable of solving the sealing problem to a certain extent also solves the problem of shock absorption because the equipment cannot well solve the shock absorption problem in the rotating process of the barrel, if shock absorption cannot be effectively carried out, the sealing part is damaged due to overlarge extrusion force between the sealing parts in the using process, and the sealing problem occurs again at last. The sealing elements need to be replaced once damaged, so that the equipment maintenance cost is increased, and the working efficiency is reduced. Therefore, how to simultaneously ensure the sealing effect and the cushioning effect of the large-scale rotating cylinder equipment in the rotating process is the research direction of the industry.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a sealing and cushioning device for a large rotary cylinder, which can simultaneously ensure the sealing effect and the cushioning effect of large rotary cylinder equipment in the rotating process, thereby reducing the maintenance times and improving the working efficiency.
In order to achieve the purpose, the invention adopts the technical scheme that: a sealing and cushioning device for a large rotary cylinder comprises two cylinder sealing assemblies and two sealing cushioning and pressure-resisting mechanisms, wherein the two cylinder sealing assemblies are symmetrically fixed at two ends of the rotary cylinder, and the two sealing cushioning and pressure-resisting mechanisms are respectively in sliding sealing with the two cylinder sealing assemblies;
the cylinder body sealing assembly comprises a cylinder body end plate, a sealing outer cylinder, a sealing inner cylinder and a first sealing fixing ring, wherein the cylinder body end plate is fixed at the end part of the rotating cylinder body, a circular through hole is formed in the middle part of the cylinder body end plate, one end of the sealing outer cylinder penetrates through the circular through hole to extend into the rotating cylinder body and is fixedly connected with the cylinder body end plate, the lengths of the sealing inner cylinder and the sealing outer cylinder are the same, the outer diameter of the sealing inner cylinder is slightly smaller than the inner diameter of the sealing outer cylinder, the sealing inner cylinder is placed inside the sealing outer cylinder, the length of the first sealing fixing ring is smaller than that of the sealing inner cylinder, the outer diameter of the first sealing fixing ring is slightly smaller than that of the sealing inner cylinder, the first sealing fixing ring is placed;
the sealing, shock-absorbing and pressure-resisting mechanism comprises an end plate, a sealing arc plate, a sealing support ring, a second sealing and fixing ring, a sealing bottom plate, a sealing sliding plate and a shock-absorbing device, wherein one side surface of the sealing sliding plate is in contact with one side surface of the end plate, the other side surface of the sealing sliding plate is in contact with one side surface of the sealing bottom plate, and the end plate, the sealing sliding plate and the sealing bottom plate are compressed and fixed through a locking pressing plate; the sealing sliding plate and the sealing bottom plate are in the same shape and are in the shape of a circular ring, and a material port is formed in the end plate; the sealing device comprises a sealing bottom plate, a sealing support ring, a sealing arc plate, a sealing cylinder and a sealing base plate, wherein the sealing arc plate is four, the four sealing arc plates are enclosed to form the sealing cylinder, one end of the sealing cylinder is fixedly connected with the other side surface of the sealing bottom plate, the inner diameter of the sealing cylinder is the same as that of the sealing bottom plate, the lengths of the sealing support ring and the sealing cylinder are the same, the outer diameter of the sealing support ring is slightly smaller than that of the; the length of the second sealing fixing ring is smaller than that of the sealing cylinder, the outer diameter of the sealing cylinder is slightly smaller than the inner diameter of the second sealing fixing ring, the second sealing fixing ring is sleeved outside the sealing cylinder, and the second sealing fixing ring is fixedly connected with the sealing bottom plate and the sealing cylinder respectively; the outer diameter of the sealing cylinder is slightly smaller than the inner diameter of the sealing inner cylinder, the other end of the sealing cylinder extends into the sealing inner cylinder, and the outer surface of the sealing cylinder is in sliding seal with the inner surface of the sealing inner cylinder; the cushioning device is a plurality of, and the cushioning device comprises big mount of nitrogen spring, the little mount of nitrogen spring and nitrogen spring, and the big mount of nitrogen spring is fixed in an end plate side, and the little mount of nitrogen spring is fixed in another side of seal plate, and the nitrogen spring both ends are connected with big mount of nitrogen spring and the little mount of nitrogen spring respectively.
Furthermore, the sealing inner cylinder, the sealing arc plate and the sealing sliding plate are all made of polytetrafluoroethylene. The polytetrafluoroethylene is soft in texture, has better sealing property after being contacted with other parts, and also has the advantage of corrosion resistance.
Further, the number of the shock absorption devices is six.
Compared with the prior art, the invention adopts a mode of combining two cylinder body sealing assemblies and two sealing cushioning compression-resisting mechanisms, the two cylinder body sealing assemblies are symmetrically fixed at two ends of the rotary cylinder body, and the two sealing cushioning compression-resisting mechanisms are respectively in sliding seal with the two cylinder body sealing assemblies; in the rotating operation process of the rotating cylinder body, the sealing cushioning compression-resisting mechanism can play a good sealing effect on the rotating cylinder body, and the vibration generated in the rotating process can be absorbed by the nitrogen spring in the cushioning device, so that the mutual extrusion friction between the sealing inner cylinder and the sealing cylinder is reduced, the service lives of the sealing inner cylinder and the sealing cylinder are effectively prolonged, the maintenance frequency is reduced, and finally the working efficiency is effectively improved.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of another aspect of the present invention;
FIG. 3 is a front view of the structure of the present invention;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a sectional view taken along line A-A of FIG. 4;
FIG. 6 is an enlarged view of a portion of FIG. 5 at I;
FIG. 7 is an enlarged view of a portion of FIG. 5 at II;
FIG. 8 is a schematic perspective view of the sealing, cushioning and compression-resisting mechanism of the present invention.
In the figure: in the figure: the method comprises the following steps of 1-rotating a cylinder body, 2-cylinder body end plate, 3-sealing outer cylinder, 4-sealing inner cylinder, 5-first sealing fixing ring, 6-sealing arc plate, 7-sealing support ring, 8-second sealing fixing ring, 9-sealing bottom plate, 10-sealing sliding plate, 11-anti-loosening pressing plate, 12-positioning pin, 13-end plate, 14-large nitrogen spring fixing frame, 15-small nitrogen spring fixing frame and 16-nitrogen spring.
Detailed Description
The present invention will be further explained below.
As shown in fig. 1 to 8, the present invention comprises two cylinder sealing assemblies and two sealing, shock-absorbing and pressure-resisting mechanisms, wherein the two cylinder sealing assemblies are symmetrically fixed at two ends of a rotary cylinder, and the two sealing, shock-absorbing and pressure-resisting mechanisms are respectively in sliding seal with the two cylinder sealing assemblies;
the cylinder sealing assembly comprises a cylinder end plate 2, a sealing outer cylinder 3, a sealing inner cylinder 4 and a first sealing fixing ring 5, the cylinder end plate 2 is fixed at the end part of the rotary cylinder 1, a circular through hole is arranged at the middle part of the cylinder end plate 2, one end of the sealing outer cylinder 3 penetrates through the circular through hole to extend into the rotary cylinder 1, the sealing outer cylinder 3 is fixedly connected with the cylinder end plate 2, the lengths of the sealing inner cylinder 4 and the sealing outer cylinder 3 are the same, the outer diameter of the sealing inner cylinder 4 is slightly smaller than the inner diameter of the sealing outer cylinder 3, the sealing inner cylinder 4 is placed inside the sealing outer cylinder 3, the length of the first sealing fixing ring 5 is smaller than that of the sealing inner cylinder 4, the outer diameter of the first sealing fixing ring 5 is slightly smaller than that of the sealing inner cylinder 4, the first sealing fixing ring 5 is placed at the sealing inner cylinder 4 and is positioned at one end of the sealing outer cylinder 3, and the sealing outer cylinder 3, the sealing inner cylinder 4 and the first sealing fixing ring 5 are fixed through bolts;
the sealing cushioning compression-resisting mechanism comprises an end plate 13, a sealing arc plate 6, a sealing support ring 7, a second sealing fixing ring 8, a sealing bottom plate 9, a sealing sliding plate 10 and a cushioning device, wherein one side surface of the sealing sliding plate 10 is in contact with one side surface of the end plate 13, the other side surface of the sealing sliding plate 10 is in contact with one side surface of the sealing bottom plate 9, and the end plate 13, the sealing sliding plate 10 and the sealing bottom plate 9 are compressed and fixed through a locking pressing plate 11 and a positioning pin 12; the sealing sliding plate 10 and the sealing bottom plate 9 are in the same shape and are in the shape of a circular ring, and the end plate 13 is provided with a material port; the number of the sealing arc plates 6 is four, the four sealing arc plates 6 are enclosed to form a sealing cylinder, one end of the sealing cylinder is fixedly connected with the other side face of the sealing bottom plate 9, the inner diameter of the sealing cylinder is the same as that of the sealing bottom plate 9, the lengths of the sealing support ring 7 and the sealing cylinder are the same, the outer diameter of the sealing support ring 7 is slightly smaller than that of the sealing cylinder, and the sealing support ring 7 is fixed inside the sealing cylinder; the length of the second sealing fixing ring 8 is smaller than that of the sealing cylinder, the outer diameter of the sealing cylinder is slightly smaller than the inner diameter of the second sealing fixing ring 8, the second sealing fixing ring 8 is sleeved outside the sealing cylinder, and the second sealing fixing ring 8 is respectively and fixedly connected with the sealing bottom plate 9 and the sealing cylinder; the outer diameter of the sealing cylinder is slightly smaller than the inner diameter of the sealing inner cylinder 4, the other end of the sealing cylinder extends into the sealing inner cylinder 4, and the outer surface of the sealing cylinder is in sliding seal with the inner surface of the sealing inner cylinder 4; the damping device is six, and the damping device comprises big mount 14 of nitrogen spring, little mount 15 of nitrogen spring and nitrogen spring 16, and big mount 14 of nitrogen spring is fixed in end plate 13 a side, and little mount 15 of nitrogen spring is fixed in sealed bottom plate 9 another side, and nitrogen spring 16 both ends are connected with big mount 14 of nitrogen spring and little mount 15 of nitrogen spring respectively. The sealing inner cylinder 4, the sealing arc plate 6 and the sealing sliding plate 10 are all made of polytetrafluoroethylene.
When in use, the sealing cylinders of the two sealing cushioning compression-resistant mechanisms respectively extend into the sealing inner cylinder 4 of the two cylinder sealing assemblies, the outer surface of the sealing cylinder is in sliding seal with the inner surface of the sealing inner cylinder 4, then the end plates 13 of the two sealing cushioning compression-resistant mechanisms are respectively fixedly connected with the outer support, the material ports of the end plates 13 in the two sealing cushioning compression-resistant mechanisms are respectively set as a material inlet and a material outlet, raw materials enter the rotary cylinder 1 through the sealing cushioning compression-resistant mechanisms and the cylinder sealing assemblies through the material inlet, then the material inlet and the material outlet are sealed through the sealing covers, the rotary cylinder 1 is started to rotate at the moment to start processing the internal raw materials, the two cylinder sealing assemblies rotate along with the rotary cylinder 1, and the outer surface of the sealing cylinder and the inner surface of the sealing inner cylinder 4 relatively rotate to form sliding seal because the two sealing cushioning, thereby ensuring the sealing effect when the rotary cylinder body 1 rotates; in addition, because the barrel sealing assembly has the reasons of processing precision and installation precision, radial vibration can occur in the rotating process of the rotating barrel 1, the mutual extrusion friction between the sealing inner barrel 4 and the sealing barrel in a sliding sealing state is caused, the sealing barrel can transmit the generated vibration to the sealing bottom plate 9 at the moment, the nitrogen springs 16 in the plurality of cushioning devices can effectively absorb the vibration transmitted to the sealing bottom plate 9 from different directions, the mutual extrusion friction between the sealing inner barrel 4 and the sealing barrel is reduced, the service lives of the sealing inner barrel and the sealing barrel are effectively prolonged, and the stable sealing effect is ensured. After the rotary barrel body 1 finishes the rotation processing work of the raw material, the sealing cover at the discharge port is opened to discharge the raw material out of the rotary barrel body 1.
Claims (3)
1. A sealing and cushioning device for a large-sized rotary cylinder is characterized by comprising two cylinder sealing assemblies and two sealing cushioning and pressure-resisting mechanisms, wherein the two cylinder sealing assemblies are symmetrically fixed at two ends of the rotary cylinder, and the two sealing cushioning and pressure-resisting mechanisms are respectively in sliding seal with the two cylinder sealing assemblies;
the cylinder body sealing assembly comprises a cylinder body end plate, a sealing outer cylinder, a sealing inner cylinder and a first sealing fixing ring, wherein the cylinder body end plate is fixed at the end part of the rotating cylinder body, a circular through hole is formed in the middle part of the cylinder body end plate, one end of the sealing outer cylinder penetrates through the circular through hole to extend into the rotating cylinder body and is fixedly connected with the cylinder body end plate, the lengths of the sealing inner cylinder and the sealing outer cylinder are the same, the outer diameter of the sealing inner cylinder is slightly smaller than the inner diameter of the sealing outer cylinder, the sealing inner cylinder is placed inside the sealing outer cylinder, the length of the first sealing fixing ring is smaller than that of the sealing inner cylinder, the outer diameter of the first sealing fixing ring is slightly smaller than that of the sealing inner cylinder, the first sealing fixing ring is placed;
the sealing, shock-absorbing and pressure-resisting mechanism comprises an end plate, a sealing arc plate, a sealing support ring, a second sealing and fixing ring, a sealing bottom plate, a sealing sliding plate and a shock-absorbing device, wherein one side surface of the sealing sliding plate is in contact with one side surface of the end plate, the other side surface of the sealing sliding plate is in contact with one side surface of the sealing bottom plate, and the end plate, the sealing sliding plate and the sealing bottom plate are compressed and fixed through a locking pressing plate; the sealing sliding plate and the sealing bottom plate are in the same shape and are in the shape of a circular ring, and a material port is formed in the end plate; the sealing device comprises a sealing bottom plate, a sealing support ring, a sealing arc plate, a sealing cylinder and a sealing base plate, wherein the sealing arc plate is four, the four sealing arc plates are enclosed to form the sealing cylinder, one end of the sealing cylinder is fixedly connected with the other side surface of the sealing bottom plate, the inner diameter of the sealing cylinder is the same as that of the sealing bottom plate, the lengths of the sealing support ring and the sealing cylinder are the same, the outer diameter of the sealing support ring is slightly smaller than that of the; the length of the second sealing fixing ring is smaller than that of the sealing cylinder, the outer diameter of the sealing cylinder is slightly smaller than the inner diameter of the second sealing fixing ring, the second sealing fixing ring is sleeved outside the sealing cylinder, and the second sealing fixing ring is fixedly connected with the sealing bottom plate and the sealing cylinder respectively; the outer diameter of the sealing cylinder is slightly smaller than the inner diameter of the sealing inner cylinder, the other end of the sealing cylinder extends into the sealing inner cylinder, and the outer surface of the sealing cylinder is in sliding seal with the inner surface of the sealing inner cylinder; the cushioning device is a plurality of, and the cushioning device comprises big mount of nitrogen spring, the little mount of nitrogen spring and nitrogen spring, and the big mount of nitrogen spring is fixed in an end plate side, and the little mount of nitrogen spring is fixed in another side of seal plate, and the nitrogen spring both ends are connected with big mount of nitrogen spring and the little mount of nitrogen spring respectively.
2. The sealing and cushioning device for the large-scale rotating cylinder according to claim 1, wherein the sealing inner cylinder, the sealing arc plate and the sealing sliding plate are all made of polytetrafluoroethylene.
3. The sealing and cushioning device for large rotating cylinders according to claim 1, wherein the number of cushioning devices is six.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011202923.7A CN112128379A (en) | 2020-11-02 | 2020-11-02 | Sealing and cushioning device for large-scale rotating cylinder |
| NL2027281A NL2027281B1 (en) | 2020-11-02 | 2021-01-06 | Sealing and cushioning device for large rotary cylinder body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011202923.7A CN112128379A (en) | 2020-11-02 | 2020-11-02 | Sealing and cushioning device for large-scale rotating cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112128379A true CN112128379A (en) | 2020-12-25 |
Family
ID=73851999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011202923.7A Withdrawn CN112128379A (en) | 2020-11-02 | 2020-11-02 | Sealing and cushioning device for large-scale rotating cylinder |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112128379A (en) |
| NL (1) | NL2027281B1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114774604A (en) * | 2022-05-24 | 2022-07-22 | 宝武集团鄂城钢铁有限公司 | Furnace top equipment connecting transition sealing device and blast furnace top charging equipment |
-
2020
- 2020-11-02 CN CN202011202923.7A patent/CN112128379A/en not_active Withdrawn
-
2021
- 2021-01-06 NL NL2027281A patent/NL2027281B1/en active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114774604A (en) * | 2022-05-24 | 2022-07-22 | 宝武集团鄂城钢铁有限公司 | Furnace top equipment connecting transition sealing device and blast furnace top charging equipment |
| CN114774604B (en) * | 2022-05-24 | 2023-09-22 | 宝武集团鄂城钢铁有限公司 | Furnace top equipment connection transition sealing device and blast furnace top charging equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| NL2027281B1 (en) | 2022-10-25 |
| NL2027281A (en) | 2021-05-11 |
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| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201225 |