CN212564380U - Feeding device with multiple sealed dynamic and static sealing devices - Google Patents
Feeding device with multiple sealed dynamic and static sealing devices Download PDFInfo
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- CN212564380U CN212564380U CN202020804802.9U CN202020804802U CN212564380U CN 212564380 U CN212564380 U CN 212564380U CN 202020804802 U CN202020804802 U CN 202020804802U CN 212564380 U CN212564380 U CN 212564380U
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Abstract
The utility model discloses a feeding device with a multi-sealed dynamic and static sealing device, which comprises a feeding power device, a feeding cylinder and a dynamic and static sealing device, wherein the dynamic and static sealing device comprises a dynamic and static sealing sleeve moving sleeve, a dynamic and static sealing sleeve static sleeve and a graphite packing, the dynamic and static sealing sleeve static sleeve comprises a first dynamic and static sealing sleeve static sleeve and a second dynamic and static sealing sleeve static sleeve, the first dynamic and static sealing sleeve static sleeve and the second dynamic and static sealing sleeve static sleeve are separated and oppositely arranged, one end of the dynamic and static sealing sleeve moving sleeve is inserted into the second dynamic and static sealing sleeve static sleeve and then inserted into the first dynamic and static sealing sleeve static sleeve, the graphite packing comprises a first graphite packing, a second graphite packing and a third graphite packing, the third graphite packing is sleeved at the inner side of the second dynamic and static sealing sleeve, the first graphite packing and the second dynamic and static sealing sleeve are sleeved, the first dynamic and static sleeve and the second dynamic and static sleeve are connected with the first sealing sleeve, thereby forming a first sealed chamber.
Description
Technical Field
The utility model relates to a sound sealing device's feed arrangement with multiple sealed for coal processing field.
Background
China is a country with more coal, less oil and poor gas, and in the petrochemical energy reserves proven in China, oil and natural gas only account for 6 percent, and the rest 94 percent are coal substances. The resource characteristics determine that China mainly builds energy structures by using coal substances.
At present, for example, in chinese patent CN108641738A, in the field of coal processing, a feeding device with dynamic and static seals generally comprises a feeding cylinder, a metal compensator, and a dynamic and static seal device, wherein the feeding cylinder is hermetically connected to a reaction kettle through the metal compensator and the dynamic and static seal device; the dynamic and static sealing device mainly comprises a gland assembly, a reinforced flexible graphite disc, a sealing outer ring assembly, a sealing inner retainer ring assembly and the like. The gland assembly is formed by assembling and welding a flange, a seamless steel pipe and a pressure ring. As the gas generated in the working process of the cracking furnace has no corrosiveness, and the temperature of the gas is about 200-400 ℃. Therefore, the compression ring assembly can meet the technological requirements by adopting common carbon structural steel, and the sealing tightness of the graphite packing can be adjusted by adjusting the length of the pressing cover penetrating into the sealing outer ring. The reinforced flexible graphite packing overcomes the defects of low tensile strength, poor flexibility, poor rebound resilience, low air tightness and the like of a pure graphite material; but also has good temperature resistance, oxidation resistance, corrosion resistance and better compression performance. Meanwhile, the graphite has excellent characteristics; therefore, the sealing material is used as an important sealing element in the structures of the cracking furnace and the spiral sealing device; the axial flexibility, the radial lubricity and the comprehensive performance of the lubricating oil are also utilized; preferably, the number of windings in this construction is 8-12. The sealing outer ring assembly is formed by assembling and welding a flange, a connecting pipe and a pressure ring, and the sealing inner check ring is formed by welding a steel pipe and a circular ring; the graphite packing is wound between the two and is matched with the three to play a sealing role in the radial direction and the axial direction through friction sealing.
The feeding device in the prior art has at least two problems, the first dynamic and static sealing device is not provided with a structure with good safety performance, and the dynamic and static sealing device is hermetically connected with the reaction kettle and is not in a high-safety structure, so that potential safety hazards can be caused to production, particularly in the field of coal processing; secondly, the dynamic and static sealing device generally only has a static sleeve of a dynamic and static sealing sleeve, so that the effect of multiple sealing is not easy to achieve, and the safety of the dynamic and static sealing device is influenced.
Those skilled in the art are faced with a need for a dynamic and static sealed feeding device with multiple seal design.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that need solve is that improve feed arrangement's security, through be provided with two sound seal cover static sleeves in feed arrangement, set up one to a plurality of sealed cavity structures between sound seal cover static sleeve, make the utility model discloses a feed arrangement has multiple sealed effect to improve the security.
The purpose of the utility model is realized like this:
a feeding device with a multi-sealed dynamic and static sealing device comprises a feeding power device, a feeding barrel and a dynamic and static sealing device, wherein the feeding barrel comprises a feeding end and a discharging end, a feeding hole is formed in the upper portion of the feeding end of the feeding barrel, the discharging end extends into a rotary reaction furnace, the feeding power device comprises a driving device and a spiral blade, the driving device is in sealing connection with the feeding end of the feeding barrel, the spiral blade is arranged in the feeding barrel and extends to the discharging end of the feeding barrel, the dynamic and static sealing device is sleeved on the outer side of the feeding barrel and comprises a dynamic and static sealing sleeve, a dynamic and static sealing sleeve and a graphite packing, one end of the dynamic and static sealing sleeve is connected with the rotary reaction furnace, the other end of the dynamic and static sealing sleeve extends towards the feeding end of the feeding barrel and is inserted into the dynamic and static sealing sleeve, the static sleeve of the dynamic and static seal sleeves is connected with the dynamic and static seal sleeve moving sleeve in a sliding way, one end of the static sleeve of the dynamic and static seal sleeves, which is far away from the rotary reaction furnace, is connected to the outer side of the feed cylinder, the graphite packing is arranged at the joint of the dynamic and static seal sleeve moving sleeve and the static sleeve of the dynamic and static seal sleeves, the static sleeve of the dynamic and static seal sleeves comprises a first static sleeve of the dynamic and static seal sleeves and a second static sleeve of the dynamic and static seal sleeves, the first static sleeve of the dynamic and static seal sleeves is separated from and oppositely arranged with the second static sleeve of the dynamic and static seal sleeves, one end of the dynamic and static seal sleeve moving sleeve is inserted into the first static sleeve of the dynamic and static seal sleeves after being inserted into the second static sleeve of the dynamic and static seal sleeves, the graphite packing comprises a first graphite packing, a second graphite packing and a third graphite packing, the third graphite packing is sleeved on the inner side of the second static sleeve of the dynamic and static sleeve, and a first sealing barrel is connected between the first dynamic and static sealing sleeve and the second dynamic and static sealing sleeve, so that a first sealing cavity is formed.
Preferably, the first dynamic and static sealing sleeve fixed with the first pressure cylinder is fixed with the first graphite packing, the first pressure cylinder fixed with the second pressure cylinder is fixed with the second graphite packing, and the second dynamic and static sealing sleeve fixed with the third pressure cylinder is fixed with the third graphite packing.
Preferably, a second sealing cylinder is connected between the first dynamic and static sealing sleeve and the first pressure cylinder, so that a second sealing cavity is formed.
Further, a third sealing cylinder is connected between the first pressing cylinder and the second pressing cylinder, so that a third sealing cavity is formed.
Furthermore, a fourth sealing cylinder is connected between the second dynamic and static sealing sleeve and the third pressure cylinder, so that a fourth sealing cavity is formed.
Preferably, the feeding device further comprises an expansion joint, the expansion joint is sleeved on the outer side of the feeding cylinder, one end of the expansion joint is connected to the outer side of the feeding cylinder, the other end of the expansion joint is connected with the first dynamic and static sealing sleeves in a sleeved mode, and the dynamic and static sealing sleeves extend into the expansion joint.
Furthermore, the feeding device further comprises a labyrinth cylinder, one end of the labyrinth cylinder is connected to the outer side of the feeding cylinder, the other end of the labyrinth cylinder extends towards the rotary reaction furnace, and the labyrinth cylinder is sleeved between the feeding cylinder and the movable and static sealing sleeves, so that a labyrinth structure is formed.
Preferably, an air outlet is formed in the outer side of the first sealing cylinder, and the air outlet is connected with a negative pressure pumping device or a high-pressure inert gas buffer tank.
Preferably, the feeding power device is a shaftless screw device.
The utility model discloses there is following beneficial effect:
the utility model discloses a feed arrangement security performance is high, through the quiet cover of first sound seal cover and the quiet cover of second sound seal cover that sets up the separation in sound is sealed, forms first sealed chamber between the quiet cover of first sound seal cover and the quiet cover of second sound seal cover, realizes at least double-seal effect, further at sealed chamber high pressure inert gas or take out the negative pressure, has solved the potential safety hazard that feed arrangement of prior art exists in coal processing production, the utility model discloses a feed arrangement is applied to the coal processing field, does benefit to the maintenance, makes things convenient for the large-scale production.
Drawings
FIG. 1 is a schematic structural view of a feeding device with a multi-seal dynamic and static sealing device;
FIG. 2 is an enlarged schematic view of part A of a feeding device with multiple sealed dynamic and static sealing devices;
the device comprises a feed port 1, a feed cylinder 2, an expansion joint 3, a static sleeve of a dynamic and static seal sleeve 4, a labyrinth cylinder 5, a dynamic and static sleeve of a dynamic and static seal sleeve 6, a feed power device 7, a first static and static sleeve of a dynamic and static seal sleeve 8, a second static and static sleeve of a static seal sleeve 9, a first pressure cylinder 10, a second pressure cylinder 11, a third pressure cylinder 12, a first graphite packing 13, a second graphite packing 14, a third graphite packing 15, a first seal cylinder 16, a first seal cavity 17, a second seal cylinder 18, a second seal cavity 19 and an air outlet 20.
Detailed Description
The present invention will be further described with reference to the following specific embodiments, but the present invention is not limited to these specific embodiments. It will be recognized by those skilled in the art that the present invention encompasses all alternatives, modifications, and equivalents as may be included within the scope of the claims.
In the utility model, if not, the adopted raw materials and equipment can be purchased from the market or commonly used in the field. The methods in the following examples are conventional in the art unless otherwise specified.
In the present disclosure, the terms "first," "second," "third," and "fourth," etc. are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 and 2, a feeding device with multiple sealed dynamic and static sealing devices comprises a feeding power device 1, a feeding cylinder 2 and a dynamic and static sealing device, wherein the feeding cylinder 2 comprises a feeding end and a discharging end, a feeding port 1 is arranged at the upper part of the feeding end of the feeding cylinder 2, the discharging end extends into a rotary reaction furnace, the feeding power device 1 comprises a driving device and a helical blade, the driving device is in sealing connection with the feeding end of the feeding cylinder 2, the helical blade is arranged in the feeding cylinder 2 and extends to the discharging end of the feeding cylinder 2, the dynamic and static sealing device is sleeved outside the feeding cylinder 2 and comprises a dynamic and static sealing sleeve 6, a dynamic and static sealing sleeve 4 and a graphite packing, one end of the dynamic and static sealing sleeve 6 is connected with the rotary reaction furnace, and the other end extends to the feeding end of the feeding cylinder 2, and inserted into the static sleeve 4 of the dynamic and static sealing sleeve, the static sleeve 4 of the dynamic and static sealing sleeve is connected with the dynamic and static sealing sleeve 6 in a sliding way, one end of the static sleeve 4 of the dynamic and static sealing sleeve, which is far away from the rotary reaction furnace, is connected with the outer side of the feed cylinder 2, the graphite packing is arranged at the joint of the dynamic and static sealing sleeve 6 and the static sleeve 4 of the dynamic and static sealing sleeve, the static sleeve 4 of the dynamic and static sealing sleeve comprises a first static sleeve 8 of the dynamic and static sealing sleeve and a second static sleeve 9 of the dynamic and static sealing sleeve, the first static sleeve 8 of the dynamic and static sealing sleeve is separated from the second static sleeve 9 of the dynamic and static sealing sleeve and is oppositely arranged, one end of the dynamic and static sleeve 6 of the dynamic and static sealing sleeve is inserted into the second static sleeve 9 of the dynamic and static sealing sleeve and then is inserted into the first static sleeve 8 of the dynamic and static sealing sleeve, the packing graphite comprises a first graphite packing 13, a second graphite packing 14 and a third graphite packing, the first graphite packing 13 and the second graphite packing 14 are sleeved on the inner side of the second dynamic and static sealing sleeve static sleeve 8, and a first sealing barrel 16 is connected between the first dynamic and static sealing sleeve static sleeve 8 and the second dynamic and static sealing sleeve static sleeve 9, so that a first sealing cavity 17 is formed.
The feeding device of the utility model, through setting up the first static and dynamic seal cover static sleeve 8 and the second static and dynamic seal cover static sleeve 9 of separation in the static and dynamic seal, form the first seal cavity 17 between the static sleeve of the first static and dynamic seal cover and the static sleeve of the second static and dynamic seal cover, through the first graphite packing seal for the first grade is sealed, through the second graphite packing seal for the second grade is sealed, still through the first seal cavity, for the tertiary seal, make the coal gas that produces in the rotary reaction furnace, obtain at least tertiary seal protection, thus difficult to reveal, therefore improve the security of the feeding device; and set up the static cover of first sound seal cover 8 and the static cover of second sound seal cover 9 of separation, the utility model discloses a feed arrangement is applied to the coal processing field, does benefit to the maintenance, and convenient large-scale production is difficult to be polluted by the coal dust because third graphite packing 15, is difficult to wearing and tearing, during the maintenance, as long as overhaul or the replacement by the first graphite packing 13 or the second graphite packing 14 of pollution and wearing and tearing can.
Preferably, the first dynamic and static seal sleeve static sleeve 8 and the first pressure cylinder 10 fix the first graphite packing 13, the first pressure cylinder 10 and the second pressure cylinder 11 fix the second graphite packing 14, and the second dynamic and static seal sleeve static sleeve 9 and the third pressure cylinder 12 fix the third graphite packing 15; aim at carries out the isolation of certain degree with first graphite packing 13 and second graphite packing 14 for coal gas just passes through second graphite packing 14 after first graphite packing 13, makes coal gas be difficult to reveal on the one hand and spills over, and on the other hand is just overhauld.
The helical blade 12 comprises a shaftless screw and a shafted screw, and preferably, the feeding power device is a shaftless screw device; the helical blade 12 is a shaftless helix; the reason for this is that the inventors of the present application found that the shaftless screw conveying amount is larger at the same diameter; the middle of the shaftless screw is not fixed by a lantern ring, and the middle of the shaftless screw is fixed by a lantern ring or a tripod, so that the continuous output of materials is not facilitated, and partial materials are easily blocked in the middle; the shaftless screw has larger deformation and is suitable for different temperatures.
Further, a second sealing cylinder 18 is connected between the first static and dynamic sealing sleeve 8 and the first pressure cylinder 10, so as to form a second sealing cavity 19; aim at for coal gas still need can reveal through second seal chamber 19 and spill over to first seal chamber 17 after first graphite packing 13, thereby reaches multiple sealed effect.
Further, a third sealing cylinder is connected between the first pressing cylinder 10 and the second pressing cylinder 11, so as to form a third sealing cavity; aim at for coal gas still need can reveal through the third seal chamber and spill over to first seal chamber 17 after first graphite packing 13, then second graphite packing 14, thereby reaches multiple sealed effect.
Further, the second sound seal cover static sleeve 9 with be connected with the fourth sealed section of thick bamboo between the third pressure section of thick bamboo 12 to form the fourth sealed chamber, aim at makes coal gas through first graphite packing 13, and/or behind second graphite packing 14, reveals to spill over first sealed chamber 17, passes through behind third graphite packing 15 again, flows into the fourth sealed intracavity, thereby reaches multiple sealed effect.
Preferably, the feeding device further comprises an expansion joint 3, the expansion joint 3 is sleeved on the outer side of the feeding cylinder 2, one end of the expansion joint 3 is connected to the outer side of the feeding cylinder 2, the other end of the expansion joint is connected with the first dynamic and static sealing sleeve static sleeve 8, and the dynamic and static sealing sleeve dynamic sleeve 6 extends into the expansion joint 3; the expansion joint 3 is a flexible pressure-resistant pipe fitting, absorbs dimensional change of pipelines, conduits, containers and the like caused by expansion with heat and contraction with cold by utilizing effective telescopic deformation of a working main body corrugated pipe, or compensates axial, transverse and angular displacement of the pipelines, conduits, containers and the like, absorbs vibration energy, can play a role in vibration reduction, noise reduction and the like, and has the characteristics of good flexibility, light weight, corrosion resistance, fatigue resistance, high and low temperature resistance and the like.
Further, the labyrinth cylinder 5 of the feeding device further comprises a labyrinth cylinder 5, one end of the labyrinth cylinder is connected to the outer side of the feeding cylinder 2, the other end of the labyrinth cylinder extends towards the rotary reaction furnace, and the labyrinth cylinder 5 is sleeved between the feeding cylinder 2 and the movable and static sealing sleeve 6 so as to form a labyrinth structure; aim at, from the coal gas that flows in the rotary reaction stove, follow labyrinth structure, labyrinth section of thick bamboo 5 flows in with the clearance that moves static seal cover and move 6 promptly, just flows to the static cover 4 of static seal cover, contacts first graphite packing to make graphite packing obtain certain protection, the life of extension graphite packing.
Preferably, an air outlet 20 is arranged outside the first sealing cylinder 16, and the air outlet 20 is connected with a negative pressure pumping device or a high-pressure inert gas buffer tank; the gas outlet 20 is connected with a high-pressure inert gas buffer tank, so that the first sealing cavity 17 is filled with inert gas, and if gas leaks, the leaked gas is not flammable; the gas outlet 20 is connected with a negative pressure pumping device, so that leaked gas can be pumped out in time, and the leaked gas is not enriched in a specific area, thereby preventing fire or explosion.
The above description is only for the preferred embodiment of the present invention and should not be construed as limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (9)
1. A feeding device with a multi-sealed dynamic and static sealing device comprises a feeding power device (7), a feeding barrel (2) and the dynamic and static sealing device, wherein the feeding barrel (2) comprises a feeding end and a discharging end, a feeding port (1) is arranged at the upper part of the feeding end of the feeding barrel (2), the discharging end extends into a rotary reaction furnace, the feeding power device (7) comprises a driving device and a spiral blade, the driving device is in sealing connection with the feeding end of the feeding barrel (2), the spiral blade is arranged in the feeding barrel (2) and extends to the discharging end of the feeding barrel (2), the dynamic and static sealing device is sleeved on the outer side of the feeding barrel (2) and comprises a dynamic and static sealing sleeve (6), a dynamic and static sealing sleeve (4) and a graphite packing, one end of the dynamic and static sealing sleeve (6) is connected with the rotary reaction furnace, the other end of the static sleeve (4) extends towards the feeding end of the feeding barrel (2) and is inserted into the static sleeve (4) of the movable and static sealing sleeves, the static sleeve (4) of the movable and static sealing sleeves is in sliding connection with the movable sleeve (6) of the movable and static sealing sleeves, one end of the static sleeve (4) of the movable and static sealing sleeves, which is far away from the rotary reaction furnace, is connected to the outer side of the feeding barrel (2), the graphite packing is arranged at the joint of the movable sleeve (6) of the movable and static sealing sleeves and the static sleeve (4) of the movable and static sealing sleeves, the static sleeve (4) of the movable and static sealing sleeves comprises a first static sleeve (8) of the movable and static sealing sleeves and a second static sleeve (9) of the movable and static sealing sleeves, the first static sleeve (8) of the movable and static sealing sleeves and the second movable and static sleeve (9) are separated and arranged oppositely, one end of the movable sleeve (6) of the movable and static sealing, graphite packing includes first graphite packing (13), second graphite packing (14) and third graphite packing (15), third graphite packing (15) cover is established the quiet cover of second sound seal cover (9) are inboard, first graphite packing (13) with second graphite packing (14) cover is established first sound seal cover is inboard (8), first sound seal cover is quiet set (8) with be connected with first sealed section of thick bamboo (16) between the quiet cover of second sound seal cover (9) to form first sealed chamber (17).
2. The feeding device according to claim 1, characterized in that the first dynamic and static sealing sleeve (8) and the first pressure cylinder (10) fix the first graphite packing (13), the first pressure cylinder (10) and the second pressure cylinder (11) fix the second graphite packing (14), and the second dynamic and static sealing sleeve (9) and the third pressure cylinder (12) fix the third graphite packing (15).
3. The feeder according to claim 2, characterised in that a second sealing cylinder (18) is connected between the first static and dynamic sealing gland static sleeve (8) and the first pressure cylinder (10) so as to form a second sealing chamber (19).
4. Feeding device according to claim 2, characterized in that a third sealing cylinder is connected between the first pressing cylinder (10) and the second pressing cylinder (11) so as to form a third sealing chamber.
5. The feeding device according to claim 2, characterized in that a fourth sealing cylinder is connected between the second static and dynamic sealing sleeve (9) and the third pressing cylinder (12) to form a fourth sealing cavity.
6. The feeding device according to claim 1, characterized in that the feeding device further comprises an expansion joint (3), the expansion joint (3) is sleeved outside the feeding cylinder (2), one end of the expansion joint (3) is connected outside the feeding cylinder (2), the other end of the expansion joint is connected with the first static and dynamic sealing sleeve (8), and the dynamic and dynamic sealing sleeve (6) extends into the expansion joint (3).
7. The feeding device according to claim 1 or 6, characterized in that the feeding device further comprises a labyrinth cylinder (5), one end of the labyrinth cylinder (5) is connected to the outside of the feeding cylinder (2), the other end extends towards the rotary reaction furnace, and the labyrinth cylinder (5) is sleeved between the feeding cylinder (2) and the dynamic and static sealing movable sleeves (6) so as to form a labyrinth structure.
8. The feeding device according to claim 1, characterized in that an air outlet (20) is arranged outside the first sealing cylinder (16), and the air outlet (20) is connected with a negative pressure pumping device or a high-pressure inert gas buffer tank.
9. A feeding arrangement according to claim 1, characterized in that the feeding power unit (7) is a shaftless screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020804802.9U CN212564380U (en) | 2020-05-14 | 2020-05-14 | Feeding device with multiple sealed dynamic and static sealing devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020804802.9U CN212564380U (en) | 2020-05-14 | 2020-05-14 | Feeding device with multiple sealed dynamic and static sealing devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212564380U true CN212564380U (en) | 2021-02-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020804802.9U Active CN212564380U (en) | 2020-05-14 | 2020-05-14 | Feeding device with multiple sealed dynamic and static sealing devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212564380U (en) |
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2020
- 2020-05-14 CN CN202020804802.9U patent/CN212564380U/en active Active
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