CN110787520A - Conical filter with differential pressure gauge - Google Patents
Conical filter with differential pressure gauge Download PDFInfo
- Publication number
- CN110787520A CN110787520A CN201911086758.0A CN201911086758A CN110787520A CN 110787520 A CN110787520 A CN 110787520A CN 201911086758 A CN201911086758 A CN 201911086758A CN 110787520 A CN110787520 A CN 110787520A
- Authority
- CN
- China
- Prior art keywords
- differential pressure
- pressure gauge
- plate
- filter screen
- filter
- 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
- 238000002955 isolation Methods 0.000 claims abstract description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 8
- 239000010935 stainless steel Substances 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 5
- 239000007788 liquid Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
- B01D35/143—Filter condition indicators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a conical filter with a differential pressure gauge, which comprises a device body, the differential pressure gauge, an isolation valve, a connecting pipe, a fixing plate, a filter screen and a threaded joint, wherein the differential pressure gauge is arranged on the fixing plate; the inner surface of the device body is coated with a filter screen, the device body is provided with pressure guide holes on the filter screen, and the pressure guide holes of the filter screen are communicated with the pressure guide holes on the inner side of the top plate; the pressure in the inner pressure guide hole and the pressure in the outer pressure guide hole are respectively led into a differential pressure gauge by the connecting pipes to be displayed, and the middle of the connecting pipe is provided with an isolating valve. The invention has convenient use and compact structure, can locally check whether the filter is blocked at any time to ensure the normal filling flow and pressure of the system, can maintain or replace the differential pressure gauge under the condition of not dismounting the filter because of the arrangement of the isolating valve, and is more convenient to replace the filter screen because the filter screen is fixed on the device body by the rivet, thereby improving the safety and the convenience of operation.
Description
Technical Field
The invention belongs to the technical field of liquefied gas carrier construction, and particularly relates to a conical filter with a differential pressure gauge.
Background
When the existing liquefied gas carrier is used for filling cargos, a conical filter is required to be arranged at the terminal of a filling station manifold so as to filter the filled liquid cargos, so that impurity doped in the liquid cargos can be prevented from entering a cargo hold without being treated, the quality of the transported cargos can be further influenced, and meanwhile, related lightering equipment can be damaged.
Msc, 370(93) -IGC Code international bulk transport liquefied gas vessel construction and equipment rules, section 5, chapter 6, section six, of 2014, stipulates that permanent or temporary filters are to be provided in the manifold area, that foreign matter is prevented from entering the vessel liquid cargo system by selecting a filter screen of suitable accuracy, that the filter is provided with a suitable means to monitor whether the interior is clogged, and that in case of clogging, the filter screen can be cleaned or replaced safely.
Disclosure of Invention
In order to solve the technical problems, the invention provides a conical filter with a differential pressure gauge, which comprises a device body, the differential pressure gauge, an isolation valve, a connecting pipe, a fixing plate, a filter screen and a threaded joint, wherein the differential pressure gauge is arranged on the fixing plate; the inner surface of the device body is coated with a filter screen, the device body is provided with pressure guide holes, and the pressure guide holes of the filter screen are communicated with the pressure guide holes on the inner side of the top plate; the pressure in the inner pressure guide hole and the pressure in the outer pressure guide hole are respectively led into a differential pressure gauge through the connecting pipes to be displayed, and the isolation valve is arranged in the middle of the connecting pipes.
Furthermore, the device body is conical and is formed by fixedly connecting fan-shaped side plates, a top plate and a bottom plate, and the top plate is provided with a fixing plate; the side plate is provided with lightening holes, the inner side and the outer side of the top plate are respectively provided with an inner side pressure guide hole and an outer side pressure guide hole, and the middle of the bottom plate is provided with a through hole. The side plates, the top plate and the bottom plate are all made of 316L stainless steel.
Furthermore, the fixed plate is provided with an observation hole and a hanging hole, and the fixed plate is welded with a protective plate for observation. The fixed plate and the protective plate are both made of 316L stainless steel.
Further, the filter screen is a 316L stainless steel screen, and the precision of the filter screen is 40 meshes.
The invention has convenient use and compact structure, can locally check whether the filter is blocked at any time, and ensures the normal filling flow and pressure of the system. Simultaneously, through setting up the isolating valve, can maintain or change the differential pressure gauge under the condition that need not dismouting filter to because fix with rivet for the filter screen on the device body, it is more convenient to change the filter screen, satisfies design standard's requirement, has improved the security and the convenience of operation.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic side cross-sectional view of the present invention.
FIG. 3 is a schematic view of the top plate of the device body of the present invention.
Fig. 4 is a schematic structural diagram of a side plate of the present invention.
Fig. 5 is a schematic structural view of a fixing plate according to the present invention.
Fig. 6 is a schematic view of the bottom plate structure of the present invention.
In the figure, 1, a differential pressure gauge; 2. an isolation valve; 3. a threaded joint; 4. a pipe joint; 5. a ferrule fitting; 6. a connecting pipe; 7. a fixing plate; 8. a base plate; 9. a side plate; 10. a top plate; 11. a protection plate; 12. filtering with a screen; 13. a device body; 14. a lightening hole; 15. an inner pressure guide hole; 16. an outer pressure guide hole; 17. an observation hole; 18. hanging an object hole; 19. a through hole; 20. and (6) pressure guide holes.
Detailed Description
As shown in figures 1-6, a conical filter with a differential pressure gauge comprises a device body 13, wherein the device body 13 is formed by welding fan-shaped side plates 9, a top plate 10 and a bottom plate 8. The top plate 10 is provided with a fixing plate 7. The differential pressure gauge 1 is provided on the fixed plate 7. The inner surface of the side plate 9 of the device body is coated with a filter screen 12. An inner pressure guide hole 15 and an outer pressure guide hole 16 are formed in the inner and outer sides of the top plate 10, respectively. The filter screen 12 is provided with pressure guide holes 20 communicated with the inner side pressure guide holes 15 of the top plate 10. The inner pressure guide hole 15 and the outer pressure guide hole 16 are respectively provided with a connecting pipe 6. One end of a connecting pipe 6 is fixed on a top plate 10 through a threaded joint 3, the pressure in an inner side pressure guide hole 15 and the pressure in an outer side pressure guide hole 16 are respectively led into a differential pressure gauge 1 to be displayed, the other end of the connecting pipe 6 is connected with an isolation valve 2 through a pipe joint 4, the isolation valve 2 is connected with the differential pressure gauge 1 through a clamping sleeve joint 5, and a protection plate 11 is welded on a fixing plate 7. The protective plate 11 is used for observation. The device body 13 is conical, the device body 13 is formed by welding a fan-shaped side plate 9, a top plate 10 and a bottom plate 8, the fan-shaped side plate 9 is provided with a lightening hole 14, and the middle of the bottom plate 8 is provided with a through hole 19. The side plates 9, the top plate 10 and the bottom plate 8 are all made of 316L stainless steel. The fixed plate 7 is provided with an observation hole 17 and a hanging hole 18. The fixed plate 7 and the protection plate 11 are both made of 316L stainless steel.
Claims (6)
1. A take toper filter of differential pressure gauge which characterized in that: the device comprises a device body, a differential pressure gauge, an isolation valve, a connecting pipe, a fixing plate, a filter screen and a threaded joint, wherein the differential pressure gauge is arranged on the fixing plate; the inner surface of the device body is coated with a filter screen, the device body is provided with pressure guide holes, and the pressure guide holes of the filter screen are communicated with the pressure guide holes on the inner side of the top plate; the pressure in the inner pressure guide hole and the pressure in the outer pressure guide hole are respectively led into a differential pressure gauge through the connecting pipes to be displayed, and the isolation valve is arranged in the middle of the connecting pipes.
2. The conical filter with a differential pressure gauge as claimed in claim 1, wherein: the device body is conical and is formed by fixedly connecting fan-shaped side plates, a top plate and a bottom plate, and the top plate is provided with a fixing plate; the side plate is provided with lightening holes, the inner side and the outer side of the top plate are respectively provided with an inner side pressure guide hole and an outer side pressure guide hole, and the middle of the bottom plate is provided with a through hole.
3. The conical filter with a differential pressure gauge according to claim 2, wherein: the side plates, the top plate and the bottom plate are all made of 316L stainless steel.
4. The conical filter with a differential pressure gauge as claimed in claim 1, wherein: the fixed plate is provided with an observation hole and a hanging hole, and a protective plate for observation is welded on the fixed plate.
5. The conical filter with a differential pressure gauge according to claim 4, wherein: the fixed plate and the protective plate are both made of 316L stainless steel.
6. The conical filter with a differential pressure gauge as claimed in claim 1, wherein: the filter screen is 316L stainless steel net, the filter screen precision is 40 meshes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911086758.0A CN110787520A (en) | 2019-11-08 | 2019-11-08 | Conical filter with differential pressure gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911086758.0A CN110787520A (en) | 2019-11-08 | 2019-11-08 | Conical filter with differential pressure gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110787520A true CN110787520A (en) | 2020-02-14 |
Family
ID=69443395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911086758.0A Pending CN110787520A (en) | 2019-11-08 | 2019-11-08 | Conical filter with differential pressure gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110787520A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203571194U (en) * | 2013-12-03 | 2014-04-30 | 安瑞科(蚌埠)压缩机有限公司 | Lubrication oil flow direction control device and compressor lubrication system |
| CN106641678A (en) * | 2016-12-15 | 2017-05-10 | 大连船舶重工集团有限公司 | Lubricating oil cone filter for ship main engine debugging |
| DE102017214718A1 (en) * | 2017-08-23 | 2019-02-28 | Mahle International Gmbh | filtering device |
| CN109751500A (en) * | 2019-01-24 | 2019-05-14 | 利华益维远化学股份有限公司 | A kind of large-sized unit oil universal fortune filter |
| US10350523B2 (en) * | 2017-03-06 | 2019-07-16 | Caterpillar Inc. | Filter housing |
-
2019
- 2019-11-08 CN CN201911086758.0A patent/CN110787520A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203571194U (en) * | 2013-12-03 | 2014-04-30 | 安瑞科(蚌埠)压缩机有限公司 | Lubrication oil flow direction control device and compressor lubrication system |
| CN106641678A (en) * | 2016-12-15 | 2017-05-10 | 大连船舶重工集团有限公司 | Lubricating oil cone filter for ship main engine debugging |
| US10350523B2 (en) * | 2017-03-06 | 2019-07-16 | Caterpillar Inc. | Filter housing |
| DE102017214718A1 (en) * | 2017-08-23 | 2019-02-28 | Mahle International Gmbh | filtering device |
| CN109751500A (en) * | 2019-01-24 | 2019-05-14 | 利华益维远化学股份有限公司 | A kind of large-sized unit oil universal fortune filter |
Non-Patent Citations (1)
| Title |
|---|
| 訚耀保: "《高端液压元件理论与实践》", 30 April 2017, 上海科学技术出版社 * |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200214 |