CN111623120A - Feeding pump sealing device of filter pressing system of coal mine coal preparation plant - Google Patents
Feeding pump sealing device of filter pressing system of coal mine coal preparation plant Download PDFInfo
- Publication number
- CN111623120A CN111623120A CN202010603907.2A CN202010603907A CN111623120A CN 111623120 A CN111623120 A CN 111623120A CN 202010603907 A CN202010603907 A CN 202010603907A CN 111623120 A CN111623120 A CN 111623120A
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- China
- Prior art keywords
- packing
- gland
- sealing
- hole
- sealing ring
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 76
- 239000003245 coal Substances 0.000 title claims abstract description 31
- 238000003825 pressing Methods 0.000 title claims abstract description 16
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 210000004907 gland Anatomy 0.000 claims abstract description 88
- 238000012856 packing Methods 0.000 claims abstract description 83
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
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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
- F16J15/18—Sealings between relatively-moving surfaces with stuffing-boxes for elastic or plastic packings
- F16J15/24—Sealings between relatively-moving surfaces with stuffing-boxes for elastic or plastic packings with radially or tangentially compressed packing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Devices (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a feeding pump sealing device of a filter pressing system of a coal preparation plant for a coal mine, which comprises a packing arranged on a pump assembly interface, wherein a packing gland used for covering and fixing the packing is arranged outside the packing; a sealing ring gland is arranged on the outer side of the packing gland, a sealing ring is arranged between the sealing ring gland and the packing gland, and the sealing ring is used for sealing an interface of the pump assembly when the packing is damaged so as to prevent the interface of the pump assembly from leaking slime water; according to the invention, the sealing ring is additionally arranged on the outer side of the packing gland, so that when the packing is damaged, slime water is prevented from leaking through the packing gland, the risk of the slime water leaking to the bearing assembly is avoided, the sealing performance of the packing sealing structure is improved, and the service lives of the packing sealing structure and the bearing assembly can be prolonged.
Description
Technical Field
The invention belongs to the technical field of coal mine filter pressing system sealing equipment, and particularly relates to a sealing device for a feeding pump of a filter pressing system of a coal mine coal preparation plant.
Background
The filter pressing system of the coal preparation plant for the coal mine mainly has the function of providing pressure for the coal slime water and transporting the coal slime water. A plurality of feeding pumps are additionally arranged in the pipeline transportation process. The feed pump is typically a motor driven bearing assembly that powers the pump assembly.
In the filter pressing system, slime water is often leaked between the bearing assembly and the pump assembly, and the leaked slime water is transmitted to the bearing assembly through the shaft sleeve, so that the bearing assembly is frequently damaged, the filter pressing coating pump cannot normally work, and production is delayed.
Disclosure of Invention
The invention aims to provide a sealing device of a feed pump of a filter pressing system of a coal preparation plant for a coal mine, which increases the sealing performance of a packing sealing structure and prolongs the service life.
The invention adopts the following technical scheme: a feeding pump sealing device of a filter pressing system of a coal mine coal preparation plant comprises a packing arranged on a pump assembly interface, wherein a packing gland used for covering and fixing the packing is arranged outside the packing;
the sealing washer gland is installed in the outside of packing gland, is provided with the sealing washer between sealing washer gland and the packing gland, and the sealing washer is used for when the packing damages, seals the interface of pump assembly to prevent that the interface of pump assembly from leaking the slime water.
Furthermore, the packing gland is annular, the outer circumference of the packing gland is provided with a lug which extends outwards, and the lug is provided with a first through hole; a first threaded hole is formed in the position, corresponding to the first through hole, of the pump assembly;
still include the gland bolt, the gland bolt is arranged in passing first through-hole back packing first screw hole to realize packing gland and pump assembly's fixed.
Further, the number of the lugs is two, and the lugs are symmetrically arranged relative to the first through hole of the packing gland.
Further, the inner diameter of the sealing ring is smaller than the diameter of the middle through hole of the packing gland.
Furthermore, the sealing ring gland is annular, and a second through hole is formed in the sealing ring gland;
a second threaded hole is formed in the position, corresponding to the second through hole, of the outer side of the packing gland;
the packing gland is characterized by further comprising a sealing ring gland bolt, wherein the sealing ring gland bolt is used for penetrating through the second through hole and being installed in the second threaded hole so as to fix the sealing ring gland and the packing gland.
Further, the depth of the second threaded hole is smaller than the thickness of the packing gland.
The invention has the beneficial effects that: according to the invention, the sealing ring is additionally arranged on the outer side of the packing gland, so that when the packing is damaged, slime water is prevented from leaking through the packing gland, the risk of the slime water leaking to the bearing assembly is avoided, the sealing performance of the packing sealing structure is improved, and the service lives of the packing sealing structure and the bearing assembly can be prolonged.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Wherein: 1. packing gland; 2. a gland bolt; 3. a sealing ring gland bush; 4. a seal ring; 5. a seal ring gland bolt; 6. a pump assembly; 7. a bearing assembly.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The embodiment of the invention discloses a feeding pump sealing device of a filter pressing system of a coal preparation plant of a coal mine, which comprises a packing arranged on a joint of a pump assembly 6, wherein a packing gland 1 for covering and fixing the packing is arranged outside the packing; sealing washer gland 3 is installed in the outside of packing gland 1, is provided with sealing washer 4 between sealing washer gland 3 and the packing gland 1, and sealing washer 4 is used for when the packing damages, seals the interface of pump assembly 6 to prevent that the interface of pump assembly 6 from leaking the coal slime water.
According to the invention, the sealing ring is additionally arranged on the outer side of the packing gland, so that when the packing is damaged, slime water is prevented from leaking through the packing gland, the risk of the slime water leaking to the bearing assembly is avoided, the sealing performance of the packing sealing structure is improved, and the service lives of the packing sealing structure and the bearing assembly can be prolonged.
In the embodiment of the invention, the packing on the interface of the pump assembly 6 plays a role of mainly preventing the leakage of slime water, the sealing ring 4 arranged on the outer side of the pump assembly mainly plays a role of sealing the seepage water in the pump assembly when the packing is damaged and seeps water outwards so as to prevent the leakage outwards, and the sealing effect can be increased through double sealing of the packing and the sealing ring 4. In addition, can realize the fixed of sealing washer 4 through sealing washer gland 3, in addition, sealing washer gland 3 can also be regarded as the bodiness of packing gland 1, has increased the local thickness of packing gland 1 in other words, can increase the intensity of packing gland 1.
Specifically, the packing gland 1 is in a ring shape and is provided with a middle through hole, a lug extends outwards from the outer circumference of the middle through hole, and a first through hole is formed in the lug; a first threaded hole is formed in the pump assembly 6 at a position corresponding to the first through hole; still include gland bolt 2, gland bolt 2 is arranged in passing first through-hole back packing first screw hole to realize packing gland 1 and 6 fixed of pump assembly. The gland bolt 2 is provided with a connection by the lugs.
Further, the number of the lugs is two, and the lugs are symmetrically arranged relative to the middle through hole of the packing gland 1. After the gland bolt 2 is installed, the symmetrically arranged lugs can balance the pressure of the packing gland 1 on the whole circumference, and the fastening force of the packing gland is increased.
In this embodiment, the inner diameter of the seal ring 4 is smaller than the diameter of the central through hole of the packing gland 1. Because packing gland 1 and sealing washer gland 3 are cyclic annular, and the middle part all has the middle part through-hole to this through-hole is passed to the axle sleeve of bearing assembly, when the part cooperation is not tight, can produce the gap, probably causes the slime water seepage. In this embodiment, the inner diameter of the sealing ring 4 is smaller than the diameter of the middle through hole (i.e. the first through hole and the second through hole) of the packing gland, so that the inner ring of the sealing ring 4 is pressed onto the shaft sleeve due to the certain elasticity of the sealing ring 4, thereby further increasing the sealing performance of the cover sealing device and preventing the slime water from leaking from the inner ring.
In this embodiment, a second threaded hole is formed in a position corresponding to the second through hole on the outer side of the packing gland 1; still include sealing washer gland bolt 5, sealing washer gland bolt 5 is arranged in passing the second through-hole and packs into the second screw hole to realize sealing washer gland 3 and packing gland 1's fixed. The fixing of the packing gland 1 and the sealing ring gland 3 is realized through the sealing ring gland bolt 5. It should be noted that the depth of the second threaded hole is slightly less than the thickness of the packing gland 1, so as to prevent the second threaded hole from penetrating the packing gland and prevent slime water from seeping out of the threaded hole.
Claims (5)
1. A feeding pump sealing device of a filter pressing system of a coal mine coal preparation plant is characterized by comprising a packing arranged on an interface of a pump assembly (6), wherein a packing gland (1) for covering and fixing the packing is arranged outside the packing;
a sealing ring gland (3) is installed on the outer side of the packing gland (1), a sealing ring (4) is arranged between the sealing ring gland (3) and the packing gland (1), and the sealing ring (4) is used for sealing an interface of the pump assembly (6) when the packing is damaged so as to prevent the interface of the pump assembly (6) from leaking coal slime water;
the packing gland (1) is annular, lugs extend outwards from the outer circumference of the packing gland, and first through holes are formed in the lugs; a first threaded hole is formed in the pump assembly (6) at a position corresponding to the first through hole;
still include gland bolt (2), gland bolt (2) are used for passing and pack into behind the first through-hole in the first screw hole, in order to realize packing gland (1) with the fixed of pump assembly (6).
2. The coal mine coal preparation plant filter pressing system feed pump sealing device as claimed in claim 1, characterized in that the number of said lugs is two and is symmetrically arranged relative to the first through hole of said packing gland (1).
3. The coal mine coal preparation plant filter pressing system feed pump sealing device as claimed in claim 1 or 2, characterized in that the inner diameter of the sealing ring (4) is smaller than the diameter of the middle through hole of the packing gland (1).
4. The sealing device for the feed pump of the filter pressing system of the coal mine coal preparation plant according to claim 3, wherein the sealing ring gland (3) is annular and is provided with a second through hole;
a second threaded hole is formed in the position, corresponding to the second through hole, of the outer side of the packing gland (1);
still include sealing washer gland bolt (5), sealing washer gland bolt (5) are used for passing the second through-hole is packed into in the second screw hole to realize the fixed of sealing washer gland (3) and packing gland (1).
5. The coal mine coal preparation plant filter pressing system feed pump sealing device as claimed in claim 4, characterized in that the depth of the second threaded hole is smaller than the thickness of the packing gland (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010603907.2A CN111623120A (en) | 2020-06-29 | 2020-06-29 | Feeding pump sealing device of filter pressing system of coal mine coal preparation plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010603907.2A CN111623120A (en) | 2020-06-29 | 2020-06-29 | Feeding pump sealing device of filter pressing system of coal mine coal preparation plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111623120A true CN111623120A (en) | 2020-09-04 |
Family
ID=72259507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010603907.2A Pending CN111623120A (en) | 2020-06-29 | 2020-06-29 | Feeding pump sealing device of filter pressing system of coal mine coal preparation plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111623120A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112080310A (en) * | 2020-10-08 | 2020-12-15 | 杨松 | Operation method of waste tire pyrolysis reaction furnace |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201166002Y (en) * | 2008-01-08 | 2008-12-17 | 张成波 | External conveying pump bearing end cap seal device |
| CN201292942Y (en) * | 2008-11-07 | 2009-08-19 | 大港油田集团中成机械制造有限公司 | Disassemble packing kit for fracturing pump head |
| CN201874726U (en) * | 2010-12-10 | 2011-06-22 | 福建南电股份有限公司 | Main shaft sealing device of water turbine |
| CN204716983U (en) * | 2015-06-25 | 2015-10-21 | 捷赛机械（苏州）有限公司 | A kind of axle sealing structure |
| CN205136604U (en) * | 2015-11-09 | 2016-04-06 | 滨州东瑞机械有限公司 | Agitator composite seal structure |
| CN106321842A (en) * | 2015-07-02 | 2017-01-11 | 集佳绿色建筑科技有限公司 | Shaft sealing device for preventing bearing failure for mortar stirring equipment |
| CN107091326A (en) * | 2017-05-05 | 2017-08-25 | 嘉兴石化有限公司 | A kind of belt mud dewatering equipment roller bearing sealing structure |
| CA3056358A1 (en) * | 2018-09-27 | 2020-03-27 | Seal Ryt Corporation | Pillar lantern ring for a shaft sealing system |
| CN212297589U (en) * | 2020-06-29 | 2021-01-05 | 陕西陕煤韩城矿业有限公司 | Feeding pump sealing device of filter pressing system of coal mine coal preparation plant |
-
2020
- 2020-06-29 CN CN202010603907.2A patent/CN111623120A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201166002Y (en) * | 2008-01-08 | 2008-12-17 | 张成波 | External conveying pump bearing end cap seal device |
| CN201292942Y (en) * | 2008-11-07 | 2009-08-19 | 大港油田集团中成机械制造有限公司 | Disassemble packing kit for fracturing pump head |
| CN201874726U (en) * | 2010-12-10 | 2011-06-22 | 福建南电股份有限公司 | Main shaft sealing device of water turbine |
| CN204716983U (en) * | 2015-06-25 | 2015-10-21 | 捷赛机械（苏州）有限公司 | A kind of axle sealing structure |
| CN106321842A (en) * | 2015-07-02 | 2017-01-11 | 集佳绿色建筑科技有限公司 | Shaft sealing device for preventing bearing failure for mortar stirring equipment |
| CN205136604U (en) * | 2015-11-09 | 2016-04-06 | 滨州东瑞机械有限公司 | Agitator composite seal structure |
| CN107091326A (en) * | 2017-05-05 | 2017-08-25 | 嘉兴石化有限公司 | A kind of belt mud dewatering equipment roller bearing sealing structure |
| CA3056358A1 (en) * | 2018-09-27 | 2020-03-27 | Seal Ryt Corporation | Pillar lantern ring for a shaft sealing system |
| CN212297589U (en) * | 2020-06-29 | 2021-01-05 | 陕西陕煤韩城矿业有限公司 | Feeding pump sealing device of filter pressing system of coal mine coal preparation plant |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112080310A (en) * | 2020-10-08 | 2020-12-15 | 杨松 | Operation method of waste tire pyrolysis reaction furnace |
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