CN211924881U - A sealed oil removal structure for unit instrument signal conductor - Google Patents
A sealed oil removal structure for unit instrument signal conductor Download PDFInfo
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- CN211924881U CN211924881U CN201922238383.7U CN201922238383U CN211924881U CN 211924881 U CN211924881 U CN 211924881U CN 201922238383 U CN201922238383 U CN 201922238383U CN 211924881 U CN211924881 U CN 211924881U
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- instrument signal
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- 239000004020 conductor Substances 0.000 title claims abstract description 21
- 239000000565 sealant Substances 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims description 37
- 238000005246 galvanizing Methods 0.000 claims description 20
- 239000010410 layer Substances 0.000 claims 3
- 239000012945 sealing adhesive Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 5
- 239000003921 oil Substances 0.000 description 34
- 239000010687 lubricating oil Substances 0.000 description 16
- 239000007788 liquid Substances 0.000 description 9
- 238000009434 installation Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 239000000523 sample Substances 0.000 description 7
- 239000002184 metal Substances 0.000 description 5
- 239000003292 glue Substances 0.000 description 4
- 239000003595 mist Substances 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004523 catalytic cracking Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses a sealed oil removal structure for unit instrument signal wires, the outer wall of a unit is provided with a wire leading-out hole, a protection tube is arranged between the wire leading-out hole and an instrument field explosion-proof junction box, the protection tube is provided with a section of vertical tube, the unit instrument signal wires extend out of the wire leading-out hole and penetrate through the protection tube to be connected to instrument main control wires in the instrument field explosion-proof junction box; be equipped with seal structure between unit instrument signal conductor and the vertical standpipe, seal structure includes rubber buffer and sealant layer. The utility model discloses rational in infrastructure, the material obtains easily, and part easy dismounting to but reuse.
Description
Technical Field
The utility model belongs to unit instrument probe erection joint field, concretely relates to sealed oil removal structure for unit instrument signal conductor.
Background
In a modern oil refining chemical device, various large units are core equipment. In order to ensure the safe operation of the unit, a large number of various instrument measurement probes are usually designed to monitor the operation state of the unit in real time so that an operator can analyze and judge the operation condition of the unit. Various instrument probes adopted by the unit at the present stage are all contacted with a lubricating oil system, and the installation modes of the various instrument probes are complicated and are limited by the field installation conditions of the unit. The conventional sealing method is usually used for sealing near the leading-out point of a unit bearing box, so that the phenomena of lubricating oil leakage, oil leakage and the like are very easy to occur. On one hand, the phenomenon causes the loss of lubricating oil and the deterioration of the field environment, and on the other hand, if a high-temperature medium exists near the leakage point of the lubricating oil, safety accidents such as fire disasters and the like are easy to happen, huge economic loss is caused, and serious social influence is brought.
When a traditional unit instrument signal wire is led out from the vicinity of a unit bearing box, glue is usually smeared at the leading-out position of the bearing box for fixing and sealing, so that the leakage of lubricating oil in the unit is prevented. The method is influenced by the cleanliness of a sealing surface, the offset of the sealing position of a sealing gasket, the plugging uniformity of a sealant, high temperature due to the close proximity of the unit body, direct impact of lubricating oil on a sealing point and other severe environments and conditions, and can not realize complete sealing of the lubricating oil.
The invention content is as follows:
the utility model aims at providing a sealed oil removal structure for unit instrument signal conductor can solve and prevent lubricating oil from taking place the problem of leaking from unit bearing box instrument signal conductor derivation department to overcome the problem that exists among the background art.
In order to realize the purpose, the technical scheme of the utility model is that:
a sealed oil separation structure for a unit instrument signal wire is characterized in that a wire leading-out hole is formed in the outer wall of a unit, a protection tube is arranged between the wire leading-out hole and an instrument field explosion-proof junction box, the protection tube is provided with a section of vertical tube, and the unit instrument signal wire extends out of the wire leading-out hole and penetrates through the protection tube to be connected to an instrument main control wire in the instrument field explosion-proof junction box; be equipped with seal structure between unit instrument signal conductor and the vertical standpipe, seal structure includes rubber buffer and sealant layer.
Preferably, the protection tube is a Z-shaped tube.
Preferably, the protection tube comprises a hot galvanizing hexagonal outer wire, a hot galvanizing inner wire elbow, a vertical tube, an instrument explosion-proof threading elbow and an instrument explosion-proof flexible connection tube which are sequentially arranged from the connection lead leading-out hole to the instrument connection site explosion-proof junction box.
Preferably, the vertical stand pipe is hot-galvanized external short wire.
Preferably, the rubber buffer is round platform type resistant oil rubber buffer, and the through-hole that supplies unit instrument signal conductor to pass is seted up at the center of rubber buffer, and the rubber plug forms the tight fit structure between the inner wall of vertical standpipe and the outer wall of unit instrument signal conductor.
Preferably, the maximum diameter of rubber buffer is greater than the internal diameter of vertical standpipe, and the diameter of through-hole is less than the maximum diameter of unit instrument signal conductor.
Preferably, the rubber stopper is provided with a sealing glue layer formed by pouring.
Preferably, the thickness of the sealant layer is 6-10 mm.
Preferably, the horizontal position of the central axis of the wire leading-out hole is lower than the horizontal position of the lower end of the sealing structure.
The beneficial effects of the utility model reside in that: by utilizing the characteristic of the self-flow of the processed round-table oil-resistant rubber plug and the liquid oil-resistant sealant, the rubber plug and the sealant can completely seal the wire of the instrument and the metal protection tube on the basis of not changing the original installation mode of the instrument, thereby thoroughly solving the problem of lubricating oil leakage.
The utility model does not change the installation type of the instrument of the unit; the static sealing point of the instrument wire is moved from the position of a unit bearing box to the inside of a vertical pipe of a Z-shaped instrument wire metal protection pipe, lubricating oil and oil mist condensate which enter the Z-shaped instrument wire metal protection pipe automatically flow back to the unit bearing box by utilizing the characteristic that the sealing section of the vertical pipe is higher than the instrument wire leading-out opening of the unit bearing box, the isolation of the lubricating oil and the lubricating oil mist is needed by changing the common sealing mode, and the required sealing requirement can be met only by isolating the lubricating oil mist.
The utility model utilizes the liquid oil-proof sealant to soak and fill, eliminates air and gaps, combines the extrusion sealing function of the round platform type oil-proof rubber plug, has double-layer sealing, and thoroughly solves the problem of lubricating oil leakage of the instrument signal wire of the unit; the utility model discloses rational in infrastructure, the material obtains easily, and part easy dismounting to but reuse.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention,
fig. 2 is a schematic cross-sectional structure diagram of an embodiment of the present invention.
In the figure:
1. the device comprises a unit instrument signal wire 2, a wire leading-out hole 3, a hot galvanizing hexagonal outer wire 4, a hot galvanizing inner wire elbow, a vertical pipe 5, an instrument explosion-proof threading elbow 6, an instrument explosion-proof flexible connecting pipe 7, an instrument on-site explosion-proof junction box 8, an instrument on-site explosion-proof junction box 9, a rubber plug 10, a sealant layer 11 and a unit outer wall.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
A sealed oil separation structure for a unit instrument signal wire 1 is characterized in that a wire leading-out hole 2 is formed in the outer wall 11 of a unit, a protection tube is arranged between the wire leading-out hole 2 and an instrument site explosion-proof junction box 8, the protection tube is provided with a section of vertical tube 5, and the unit instrument signal wire 1 extends out of the wire leading-out hole 2, penetrates through the protection tube and is connected to an instrument main control wire in the instrument site explosion-proof junction box 8; a sealing structure is arranged between the unit instrument signal conductor 1 and the vertical pipe 5, and the sealing structure comprises a rubber plug 9 and a sealing glue layer 10.
The protection tube is a Z-shaped metal protection tube.
The protection tube comprises a hot galvanizing hexagonal outer wire 3, a hot galvanizing inner wire elbow 4, a vertical tube 5, an instrument explosion-proof wire elbow 6 and an instrument explosion-proof flexible connection tube 7 which are sequentially arranged from a connection lead leading-out hole 2 to a connection instrument field explosion-proof junction box 8.
The vertical standpipe 5 in the embodiment is a hot galvanized external short wire.
The rubber buffer 9 is a round table type oil-resistant rubber buffer 9, a through hole for the unit instrument signal conductor 1 to pass through is formed in the center of the rubber buffer 9, and the rubber buffer 9 forms a tight fit structure between the inner wall of the vertical tube 5 and the outer wall of the unit instrument signal conductor 1.
The maximum diameter of rubber buffer 9 is greater than the internal diameter of vertical standpipe 5, and the diameter of through-hole is less than the maximum diameter of unit instrument signal conductor 1.
A sealing glue layer 10 which is formed by pouring is arranged above the rubber plug 9.
The thickness of the sealant layer 10 is 6-10 mm.
The horizontal position of the central axis of the lead wire leading-out hole 2 is lower than that of the lower end of the sealing structure.
As shown in fig. 1, the utility model discloses unit instrument signal conductor's sealed oil removal structure is: an instrument signal wire 1 penetrates out of an instrument wire leading-out hole 2 of a unit shell, and enters an instrument field explosion-proof junction box 8 through a hot galvanizing hexagonal outer wire 3, a hot galvanizing inner wire elbow 4, a hot galvanizing outer wire short wire 5, an instrument explosion-proof threading elbow 6 and an instrument explosion-proof flexible connecting pipe 7 to be connected with an instrument main control wire from a control system.
As shown in fig. 2, the utility model discloses the sealed oil removal method of unit instrument signal wire does: a hot galvanizing hexagonal outer wire 3, a hot galvanizing inner wire elbow 4, a hot galvanizing outer wire short wire 5 and an instrument explosion-proof threading elbow 6 form a Z-shaped protection tube structure 11, an instrument signal wire 1 passes through a round platform type oil-proof rubber plug 9 arranged in a Z-shaped structure vertical tube section (between the hot galvanizing inner wire elbow 4, the hot galvanizing outer wire short wire 5 and the instrument explosion-proof threading elbow 6), and liquid oil-proof sealant 10 is poured above the round platform type oil-proof rubber plug. The oil-resistant sealant can be used for immersing and filling air and gaps between the truncated cone-shaped oil-resistant rubber plug 9 and the inner walls of the instrument signal wire 1 and the hot-dip galvanized outer wire short wire 5 in a liquid state, and a sealing layer 10 with a certain thickness is formed after curing, so that the effect of complete sealing is achieved.
It should be noted that, the "Z" type protection tube structure that is composed of the hot-dip galvanized hexagonal outer wire 3, the hot-dip galvanized inner wire elbow 4, the hot-dip galvanized outer wire short wire 5, and the instrument explosion-proof threading elbow 6 must contain a section of vertical standpipe (the hot-dip galvanized outer wire short wire 5 in fig. 2), and the utility model discloses the method needs to utilize this section of vertical standpipe to realize final sealing function.
The long diameter of the round platform type oil-resistant rubber plug 9 is 1-2mm larger than the diameter of the inner wall of the hot galvanizing outer wire short wire 5, and the diameter of the instrument wire penetrating through the middle opening of the round platform type oil-resistant rubber plug 9 is slightly smaller than the outer diameter of the instrument wire.
The long diameter face of the round platform type oil-resistant rubber plug 9 is ensured to face upwards during installation, the outer diameter of the round platform type oil-resistant rubber plug and the inner wall of the hot galvanizing outer wire short wire 5 can be ensured after the installation is finished, and the central opening of the round platform type oil-resistant rubber plug 9 is tightly combined with the outer wall of the instrument wire 1.
It should be noted that the oil-resistant sealant should have a curing time of not less than 24 hours, the sealant cannot contact with grease during curing, the thickness after curing is preferably 6-10 mm, too thin the sealing effect cannot be achieved, and too thick the internal curing of the oil-resistant sealant may not be ideal.
The round platform type oil-resistant rubber plug 9 is soft in material, the oil-resistant sealant 10 is in a liquid state before being cured, can be well adapted to the material and size change of signal wires of various instruments, and can meet the sealing requirement under various installation conditions.
The present embodiment is applied to reform 36 temperature probes and 12 displacement probes of a three-unit temperature probe of a catalytic cracking unit. The method comprises the steps of reconstructing a new Z-shaped instrument wire metal protective tube structure 6 on site, enabling the instrument wire to penetrate through a round table type oil-resistant rubber plug 9 according to the method, and then soaking and filling the sealing surface with liquid oil-resistant sealant 10 in a liquid state, so that the effect of complete sealing is achieved, and the long-period use effect is good.
The utility model discloses unit instrument signal conductor's sealed oil removal method has following advantage:
(1) the original installation method and requirements of the unit instrument are not changed.
(2) The instrument signal wire lead-out interface originally designed by the unit is utilized, and the direction of the instrument wire outside the unit is not required to be changed.
(3) The novel Z-shaped protective pipe structure containing the vertical pipe is innovatively designed, and a machine shell leading-out opening which easily causes lubricating oil leakage is hermetically moved into the vertical pipe of the Z-shaped protective pipe structure, so that conditions are created for thoroughly solving the lubricating oil leakage.
(4) Innovative liquid impregnation and filling of the sealant are utilized, the oil-resistant sealant 10 can automatically flow to fill all parts of a sealing surface in a liquid state and form a sealing layer with a certain thickness after solidification, so that a complete sealing effect is achieved
(5) The change of the upper diameter and the lower diameter of the round table type oil-resistant rubber plug 9 is fully utilized, so that the oil-resistant rubber plug 9 is tightly attached to the inner wall of the hot galvanizing outer wire short wire 5, and the primary sealing effect is good.
(6) The sealing effect is more reliable and effective by using the primary sealing of the circular truncated cone type oil-resistant rubber plug and the final sealing of the oil-resistant sealant and double-layer sealing.
(7) The material of the round platform type oil-resistant rubber plug is soft, convenient to disassemble and assemble and can be recycled.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims. Parts of the description that are not described in detail are known to the person skilled in the art.
Claims (9)
1. The utility model provides a sealed oil removal structure for unit instrument signal conductor which characterized in that: a wire leading-out hole (2) is formed in the outer wall (11) of the unit, a protection tube is arranged between the wire leading-out hole (2) and the instrument on-site explosion-proof junction box (8), the protection tube is provided with a section of vertical tube (5), and a unit instrument signal wire (1) extends out of the wire leading-out hole (2) and penetrates through the protection tube to be connected to an instrument main control wire in the instrument on-site explosion-proof junction box (8); unit instrument signal conductor (1) with be equipped with seal structure between in the standpipe (5) of standing vertically, seal structure includes rubber buffer (9) and sealant layer (10).
2. The structure of claim 1, wherein the structure comprises: the protection tube is a Z-shaped tube.
3. The structure of claim 1, wherein the structure comprises: the protection tube comprises a hot galvanizing hexagonal outer wire (3), a hot galvanizing inner wire elbow (4), an upright vertical tube (5), an instrument explosion-proof threading elbow (6) and an instrument explosion-proof flexible connecting tube (7) which are sequentially arranged from the connection of the lead leading-out hole (2) to the connection of the instrument on-site explosion-proof junction box (8).
4. The structure of claim 1 or 2, wherein the structure comprises: the vertical tube (5) is a hot galvanizing external short wire.
5. The structure of claim 1, wherein the structure comprises: rubber buffer (9) are round platform type resistant oil rubber buffer (9), the through-hole that supplies unit instrument signal conductor (1) to pass is seted up at the center of rubber buffer (9), rubber buffer (9) are in the inner wall of vertical riser (5) with form the tight fit structure between the outer wall of unit instrument signal conductor (1).
6. The structure of claim 5, wherein the structure comprises: the maximum diameter of rubber buffer (9) is greater than the internal diameter of vertical standpipe (5), the diameter of through-hole is less than the maximum diameter of unit instrument signal conductor (1).
7. The structure of claim 1, wherein the structure comprises: and a pouring-molded sealing adhesive layer (10) is arranged above the rubber plug (9).
8. The structure of claim 1 or 7, wherein the structure comprises: the thickness of the sealant layer (10) is 6-10 mm.
9. The structure of claim 1, wherein the structure comprises: the horizontal position of the central axis of the lead leading-out hole (2) is lower than the horizontal position of the lower end of the sealing structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922238383.7U CN211924881U (en) | 2019-12-13 | 2019-12-13 | A sealed oil removal structure for unit instrument signal conductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922238383.7U CN211924881U (en) | 2019-12-13 | 2019-12-13 | A sealed oil removal structure for unit instrument signal conductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211924881U true CN211924881U (en) | 2020-11-13 |
Family
ID=73323707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922238383.7U Active CN211924881U (en) | 2019-12-13 | 2019-12-13 | A sealed oil removal structure for unit instrument signal conductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211924881U (en) |
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2019
- 2019-12-13 CN CN201922238383.7U patent/CN211924881U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A sealed oil isolation structure for instrument signal wire of unit Effective date of registration: 20220124 Granted publication date: 20201113 Pledgee: Qingshan Branch of Wuhan Rural Commercial Bank Co.,Ltd. Pledgor: WUHAN JIAN'AN PETROCHEMICAL ENGINEERING Co.,Ltd. Registration number: Y2022420000028 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20201113 Pledgee: Qingshan Branch of Wuhan Rural Commercial Bank Co.,Ltd. Pledgor: WUHAN JIAN'AN PETROCHEMICAL ENGINEERING Co.,Ltd. Registration number: Y2022420000028 |