CN109604272B - Special tool for dredging blockage of ground penetrating valve - Google Patents
Special tool for dredging blockage of ground penetrating valve Download PDFInfo
- Publication number
- CN109604272B CN109604272B CN201811591765.1A CN201811591765A CN109604272B CN 109604272 B CN109604272 B CN 109604272B CN 201811591765 A CN201811591765 A CN 201811591765A CN 109604272 B CN109604272 B CN 109604272B
- Authority
- CN
- China
- Prior art keywords
- valve
- dredging
- blowing
- ground
- pipe
- 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.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
- B08B9/0328—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid by purging the pipe with a gas or a mixture of gas and liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
Abstract
The invention relates to the technical field of process pipeline maintenance, and particularly discloses a special tool for dredging a ground valve plug. The device is simple to operate and easy to master, meets the dredging requirement after the ground valve is blocked in a high-radioactivity environment, and can be popularized to different types of ground valve blockage dredging work in other radioactive places.
Description
Technical Field
The invention belongs to the technical field of process pipeline maintenance, and particularly relates to a special tool for dredging a ground penetrating valve plug.
Background
The through-the-earth valve feeding mode in the post-treatment process system is generally designed to be 'low-in high-out', the feeding mode easily causes the accumulation of feed liquid in a low-end horizontal pipeline to block the pipeline, and as the overflowing medium is a high-radioactivity material, the pipeline is directly connected with the through-the-earth valve, and the pipeline and a valve core of the through-the-earth valve are both in a high-radioactivity area, the close-range maintenance cannot be performed.
During production operation, very easily take place highly to put waste liquid treatment facility and lead to highly putting the problem that waste liquid evaporimeter can't be unloaded because of unloading to wear ground valve import pipeline section to be blockked up by insoluble residue, powder, if the system can not resume normal operating in good time, then the production line can face the risk of being forced to stop. Therefore, a special tool and a dredging method for dredging the blockage of the ground penetrating valve must be developed and mastered to dredge the blocked pipe section in time and restore the function of the pipe section.
Disclosure of Invention
The invention aims to provide a special tool for dredging the blockage of a ground penetrating valve, which can remotely dredge the blockage of the ground penetrating valve on an inlet pipeline in a high-radioactivity environment.
The technical scheme of the invention is as follows:
a special tool for dredging a ground penetrating valve plug is used for timely dredging a process pipeline when the ground penetrating valve plug is plugged, and comprises a check valve, an adjusting valve, a plug blowing pipe, a sealing box and a plug blowing head;
the sealing box comprises an upper connecting part, a lower connecting part and a bellows sealing spring;
the outer diameter and the inner diameter of the bellows sealing spring are both matched with the inner pipe diameter of the through-the-ground valve seat, and the height of the bellows sealing spring is adapted to the inner height of the through-the-ground valve seat;
the upper end surface and the lower end surface of the corrugated pipe sealing spring are respectively and annularly and hermetically welded with the upper connecting part and the lower connecting part by argon arc welding;
the upper connecting part and the lower connecting part are provided with holes in the central positions, and the aperture size of the holes is consistent with the aperture size of the central holes of the upper pressing sleeve of the through-the-ground valve and the lower pressing sleeve of the through-the-ground valve;
the upper connecting part, the lower connecting part and the bellows sealing spring are coaxial;
the outer diameter of the blow-blocking pipe is matched with a central hole of the sealing box, and the length of the blow-blocking pipe is determined according to the requirement of remote dredging;
external threads are sleeved at the two ends of the blow-blocking pipe;
the lower end of the blow-blocking pipe penetrates out of the center hole of the sealing box and is welded with the sealing box in an argon arc annular mode to form a whole;
the upper end thread of the blow-blocking pipe is connected with a check valve and a steam control regulating valve, the check valve is used for preventing radioactive substances from entering a dredging pipeline, and the regulating valve is used for controlling external steam pressure and providing power for the dredging process of a process pipeline;
the outer diameter of the blowing plug is consistent with the size of the inlet of the through-the-ground valve seat, so that the assembly and the sealing are convenient;
a hole is formed in the middle of the blowing plug, and the aperture is smaller than the inner diameter of the blowing plug pipe;
and processing an internal thread matched with the blowing-blocking pipe on the upper end face of the blowing-blocking head, and connecting the internal thread with an external thread on the lower end face of the blowing-blocking pipe.
The blowing and plugging device also comprises an operating handle, wherein the operating handle is of a clamping ring structure and is fixedly clamped at the upper part of the blowing and plugging pipe through a screw; an operator carries out remote telescopic operation on the bellows sealing spring through the operating handle, and the operator is prevented from being scalded by the blowing-blocking pipe in the dredging process.
The extension stroke of the bellows sealing spring is not more than 3mm, and the bellows sealing spring is used for sealing before dredging a process pipeline and ensuring that radioactive substances cannot overflow in the process of dredging the pipeline.
The compression stroke of the bellows sealing spring is 17mm, and the bellows sealing spring is used for liquid drainage after dredging of a process pipeline.
The operating handle, blow stifled pipe, seal box, blow the end cap and all adopt corrosion resistant stainless steel material, roughness 1.8um, be convenient for wash the decontamination.
When the blocked pipeline is dredged, the blowing blocking pipe is arranged at the central hole of the through-the-ground valve pressing flange, the through-the-ground valve through-the-ground sleeve, the through-the-ground valve upper pressing sleeve and the through-the-ground valve lower pressing sleeve, and the blowing blocking head is positioned at the inlet of the through-the-ground valve seat.
The external threads at two ends of the blowing blocking pipe are M30 multiplied by 1.5mm, and the internal threads on the upper end surface of the blowing blocking head are M30 multiplied by 1.5mm and 20mm deep.
The invention has the following remarkable effects:
the device is simple to operate, convenient, quick and easy to master, meets the dredging requirement after the ground valve is blocked in a high-radioactivity environment, and can be popularized to different types of ground valve blockage dredging work in other radioactive places.
Drawings
FIG. 1 is a schematic view of a special tool for dredging the blockage of the ground penetrating valve;
FIG. 2 is a schematic view of the assembly of the special tool for dredging the plugging of the through-the-earth valve and the body component of the through-the-earth valve;
FIG. 3 is a schematic view of the structure of the seal box;
FIG. 4 is a schematic structural view of a blowing head;
FIG. 5 is a schematic view of a blown-plug tube;
fig. 6 is a schematic view of the structure of the operating handle.
In the figure: 1. the device comprises a check valve, 2 an adjusting valve, 3 an operating handle, 4 a blow-off pipe, 5 a sealing box, 6 a blow-off head, 7 a through-the-ground valve pressing flange, 8 a through-the-ground valve through-the-ground sleeve, 9 a through-the-ground valve upper pressing sleeve, 10 a through-the-ground valve lower pressing sleeve, 11 a through-the-ground valve seat, 12 an upper connecting part, 13 a lower connecting part and 14 a corrugated pipe sealing spring.
Detailed Description
The invention is described in further detail below with reference to the figures and the embodiments.
The special tool for dredging the through-the-earth valve plug as shown in fig. 1 is used for timely dredging a process pipeline when the through-the-earth valve plug is plugged, and comprises a check valve 1, a regulating valve 2, an operating handle 3, a plug blowing pipe 4, a sealing box 5 and a plug blowing head 6, wherein the through-the-earth valve is DN50 for example.
As shown in fig. 3, the seal box 5 includes an upper connecting part 12, a lower connecting part 13, and a bellows seal spring 14. The outer diameter phi 50mm and the inner diameter phi 40mm of the bellows sealing spring 14 are matched with the inner pipe diameter of the through-the-ground valve seat 11, and the height of the bellows sealing spring is matched with the inner height of the through-the-ground valve seat 11. The upper end surface and the lower end surface of the bellows sealing spring 14 are respectively welded with the upper connecting part 12 and the lower connecting part 13 in an annular sealing manner by argon arc welding. The upper connecting part 12 and the lower connecting part 13 are provided with holes at the central positions, and the hole diameters are consistent with the hole diameters of the central holes of the upper pressing sleeve 9 of the through-the-ground valve and the lower pressing sleeve 10 of the through-the-ground valve. The upper connecting part 12 and the lower connecting part 13 are coaxial with the bellows sealing spring 14. The extension stroke of the bellows sealing spring 14 is not more than 3mm, and the bellows sealing spring is used for sealing before dredging a process pipeline, so that radioactive substances cannot overflow in the process of dredging the pipeline. The compression stroke of the bellows sealing spring 14 is 17mm, and the bellows sealing spring is used for liquid drainage after dredging of a process pipeline.
As shown in fig. 4, the outer diameter of the blown-off pipe 4 is matched with the central hole of the seal box 5, and the length is determined according to the requirement of remote dredging, for example, phi 32 × 3mm, and the length is 4000 mm. And M30 multiplied by 1.5mm external threads are sleeved at the two ends of the blow-blocking pipe 4. The lower end of the blow-blocking pipe 4 penetrates out of the center hole of the seal box 5, and is welded with the seal box 5 into a whole by argon arc annular welding at the position 30mm away from the lower end face of the seal box 5. The upper end thread of the blowing-blocking pipe 4 is connected with a check valve 1 and a steam control regulating valve 2, the check valve 1 is used for preventing radioactive substances from entering a dredging pipeline, and the regulating valve 2 is used for controlling external steam pressure and providing power for the dredging process of a process pipeline.
As shown in FIG. 5, the outer diameter of the blowing plug 6 is phi 50mm, and the outer diameter is consistent with the size of an inlet of the through-the-earth valve seat 11, so that the assembly and the sealing are convenient. And a hole is formed in the middle of the blowing plug 6, and the aperture is smaller than the inner diameter of the blowing plug pipe 4, for example, 20 mm. And internal threads matched with the blow-blocking pipe 4, such as M30 multiplied by 1.5mm and internal threads with the depth of 20mm, are processed on the upper end face of the blow-blocking head 6 and are connected with the external threads on the lower end face of the blow-blocking pipe 4.
As shown in fig. 6, the operating handle 3 is a snap ring structure and is fastened and arranged on the upper part of the blown-off pipe 4 through a screw. Operating personnel carries out the remote flexible operation to bellows sealing spring 14 through operating handle 3, and the protection is dredged in-process operating personnel and is avoided blowing stifled pipe 4 scald simultaneously.
As shown in fig. 2, when dredging the blocked pipeline, the blowing-blocking pipe 4 is arranged at the central holes of the through-the-ground valve pressing flange 7, the through-the-ground valve through-the-ground sleeve 8, the through-the-ground valve upper pressing sleeve 9 and the through-the-ground valve lower pressing sleeve 10, and the blowing-blocking head 6 is positioned at the inlet of the through-the-ground valve seat 11.
Claims (7)
1. The utility model provides a wear ground valve to block up specialized tool that mediation for in time dredge the technology pipeline when wearing ground valve to block up, its characterized in that: comprises a check valve (1), an adjusting valve (2), a blowing-blocking pipe (4), a sealing box (5) and a blowing-blocking head (6);
the sealing box (5) comprises an upper connecting part (12), a lower connecting part (13) and a bellows sealing spring (14);
the outer diameter and the inner diameter of the bellows sealing spring (14) are both matched with the inner pipe diameter of the through-the-ground valve seat (11), and the height of the bellows sealing spring is adapted to the inner height of the through-the-ground valve seat (11);
the upper end surface and the lower end surface of the bellows sealing spring (14) are respectively and annularly and hermetically welded with the upper connecting part (12) and the lower connecting part (13) by argon arc welding;
the upper connecting part (12) and the lower connecting part (13) are provided with holes at the central positions, and the aperture size of the holes is consistent with the aperture size of the central holes of the upper pressing sleeve (9) of the through-the-ground valve and the lower pressing sleeve (10) of the through-the-ground valve;
the upper connecting part (12), the lower connecting part (13) and the bellows sealing spring (14) are coaxial;
the outer diameter of the blow-blocking pipe (4) is matched with a central hole of the seal box (5), and the length is determined according to the requirement of remote dredging;
external threads are sleeved at two ends of the blow-blocking pipe (4);
the lower end of the blow-blocking pipe (4) penetrates out of a central hole of the sealing box (5), and is welded with the sealing box (5) in an argon arc annular mode to form a whole;
the upper end thread of the blow-blocking pipe (4) is connected with a check valve (1) and a steam control regulating valve (2), the check valve (1) is used for preventing radioactive substances from entering a dredging pipeline, and the regulating valve (2) is used for controlling external steam pressure and providing power for the dredging process of a process pipeline;
the outer diameter of the blowing plug (6) is consistent with the size of an inlet of the through-the-ground valve seat (11), so that the assembly and the sealing are convenient;
a hole is formed in the middle of the blowing plug (6), and the aperture is smaller than the inner diameter of the blowing plug pipe (4);
and an internal thread matched with the blowing-blocking pipe (4) is processed on the upper end face of the blowing-blocking head (6) and is connected with an external thread on the lower end face of the blowing-blocking pipe (4).
2. The special tool for dredging the blockage of the through-the-earth valve as claimed in claim 1, wherein: the blowing and plugging device is characterized by further comprising an operating handle (3), wherein the operating handle (3) is of a clamping ring structure and is fixedly clamped at the upper part of the blowing and plugging pipe (4) through a screw; an operator carries out remote telescopic operation on the bellows sealing spring (14) through the operating handle (3), and meanwhile, the operator is prevented from being scalded by the blowing-blocking pipe (4) in the dredging process.
3. The special tool for dredging the blockage of the through-the-earth valve as claimed in claim 2, wherein: the extension stroke of the bellows sealing spring (14) is not more than 3mm, and the bellows sealing spring is used for sealing before dredging a process pipeline and ensuring that radioactive substances cannot overflow in the process of dredging the pipeline.
4. The special tool for dredging the blockage of the through-the-earth valve as claimed in claim 3, wherein: the compression stroke of the bellows sealing spring (14) is 17mm, and the bellows sealing spring is used for draining liquid after dredging a process pipeline.
5. The special tool for dredging the blockage of the through-the-earth valve as claimed in claim 4, wherein: operating handle (3), blow stifled pipe (4), seal box (5), blow end cap (6) and all adopt corrosion resistant's stainless steel material, roughness 1.8um is convenient for wash the decontamination.
6. The special tool for dredging the blockage of the through-the-earth valve as claimed in claim 5, wherein: when the blocked pipeline is dredged, the blowing blocking pipe (4) is arranged at the central hole of the through-the-ground valve pressing flange (7), the through-the-ground valve through-the-ground sleeve (8), the through-the-ground valve upper pressing sleeve (9) and the through-the-ground valve lower pressing sleeve (10), and the blowing blocking head (6) is positioned at the inlet of the through-the-ground valve seat (11).
7. The special tool for dredging the blockage of the through-the-earth valve as claimed in claim 6, wherein: the external threads at the two ends of the blowing and blocking pipe (4) are M30 multiplied by 1.5mm, and the internal threads on the upper end surface of the blowing and blocking head (6) are M30 multiplied by 1.5mm and 20mm deep.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811591765.1A CN109604272B (en) | 2018-12-25 | 2018-12-25 | Special tool for dredging blockage of ground penetrating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811591765.1A CN109604272B (en) | 2018-12-25 | 2018-12-25 | Special tool for dredging blockage of ground penetrating valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109604272A CN109604272A (en) | 2019-04-12 |
| CN109604272B true CN109604272B (en) | 2021-11-16 |
Family
ID=66011286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811591765.1A Active CN109604272B (en) | 2018-12-25 | 2018-12-25 | Special tool for dredging blockage of ground penetrating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109604272B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH632940A5 (en) * | 1977-08-01 | 1982-11-15 | Festo Maschf Stoll G | Compressed air blower gun |
| CN202921613U (en) * | 2012-11-13 | 2013-05-08 | 枣庄中联水泥有限公司 | Special tool for clearing accumulated material blockage of coal spraying pipe |
| WO2014015324A2 (en) * | 2012-07-20 | 2014-01-23 | Scientific Industrial Nano Engineering, LLC | Self cleaning piezoelectric chemical apparatus and method of use |
| CN203565434U (en) * | 2013-10-28 | 2014-04-30 | 宝山钢铁股份有限公司 | Nitrogen purging device for long-distance delivery |
| CN205851505U (en) * | 2016-08-01 | 2017-01-04 | 秦皇岛北方管业有限公司 | Dedusting device for reducing dust in a kind of pipeline |
| CN106335008A (en) * | 2016-08-30 | 2017-01-18 | 合肥通用机械研究院 | Abrasive blockage prevention outlet control device |
| CN108105522A (en) * | 2017-12-06 | 2018-06-01 | 苏州市燃气设备阀门制造有限公司 | gas pipeline plugging construction method |
| CN207952146U (en) * | 2017-12-06 | 2018-10-12 | 苏州市燃气设备阀门制造有限公司 | Blowing pipeline device |
| CN208019062U (en) * | 2018-01-12 | 2018-10-30 | 吕少永 | A kind of portable computing dust removal device |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2244781B (en) * | 1990-06-08 | 1993-12-08 | Fordbrook Eng Ltd | A process for lining a metal pipe |
| CN100544842C (en) * | 2006-12-25 | 2009-09-30 | 江苏万工科技集团有限公司 | Pipeline drainer |
| CN201827898U (en) * | 2010-10-20 | 2011-05-11 | 沈阳东朝红革仪器仪表有限公司 | Compressed air shock wave soot blower |
| EP2890861B1 (en) * | 2012-08-28 | 2018-12-12 | Halliburton Energy Services, Inc. | Riser displacement and cleaning systems and methods of use |
| CN202825129U (en) * | 2012-09-11 | 2013-03-27 | 中国核电工程有限公司 | Valve maintenance container |
| CN204387535U (en) * | 2015-01-09 | 2015-06-10 | 南通冠通机械制造有限公司 | A kind of chilled water (chw) interface |
| CN204573104U (en) * | 2015-04-22 | 2015-08-19 | 修成伟 | Hydraulic-formed bellows mechanical seal device |
| CN106475365B (en) * | 2015-08-28 | 2019-03-29 | 宝山钢铁股份有限公司 | A kind of carbon dust pipe dredging device |
| CN105215014B (en) * | 2015-10-09 | 2017-08-04 | 佛山市金银河智能装备股份有限公司 | A kind of powder material conveyance conduit deashing device |
| CN206361288U (en) * | 2016-12-12 | 2017-07-28 | 中核四0四有限公司 | A kind of flange apparatus of remote disassembling for channel seal |
| CN107975849A (en) * | 2017-12-28 | 2018-05-01 | 谢云琼 | A kind of new fume pipeline cleaning equipment |
-
2018
- 2018-12-25 CN CN201811591765.1A patent/CN109604272B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH632940A5 (en) * | 1977-08-01 | 1982-11-15 | Festo Maschf Stoll G | Compressed air blower gun |
| WO2014015324A2 (en) * | 2012-07-20 | 2014-01-23 | Scientific Industrial Nano Engineering, LLC | Self cleaning piezoelectric chemical apparatus and method of use |
| CN202921613U (en) * | 2012-11-13 | 2013-05-08 | 枣庄中联水泥有限公司 | Special tool for clearing accumulated material blockage of coal spraying pipe |
| CN203565434U (en) * | 2013-10-28 | 2014-04-30 | 宝山钢铁股份有限公司 | Nitrogen purging device for long-distance delivery |
| CN205851505U (en) * | 2016-08-01 | 2017-01-04 | 秦皇岛北方管业有限公司 | Dedusting device for reducing dust in a kind of pipeline |
| CN106335008A (en) * | 2016-08-30 | 2017-01-18 | 合肥通用机械研究院 | Abrasive blockage prevention outlet control device |
| CN108105522A (en) * | 2017-12-06 | 2018-06-01 | 苏州市燃气设备阀门制造有限公司 | gas pipeline plugging construction method |
| CN207952146U (en) * | 2017-12-06 | 2018-10-12 | 苏州市燃气设备阀门制造有限公司 | Blowing pipeline device |
| CN208019062U (en) * | 2018-01-12 | 2018-10-30 | 吕少永 | A kind of portable computing dust removal device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109604272A (en) | 2019-04-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206396798U (en) | A kind of spigot-and-socket composite operates well | |
| CN109604272B (en) | Special tool for dredging blockage of ground penetrating valve | |
| CN104295462B (en) | Choke for adjusting flow rate of electric thrustor propellant and adjusting method | |
| CN204083341U (en) | A kind of ceramic ball valve structure | |
| CN218113729U (en) | Prevent that material from piling up's ejection of compact valve | |
| CN103712014B (en) | A kind of deepwater multi-loop connects terminal | |
| CN209564760U (en) | Chemical plant facility or power plants equipment gas safety environment protection emission device | |
| CN210661832U (en) | Pressure relief valve device | |
| CN210566415U (en) | Pneumatic valve convenient to control | |
| CN204175223U (en) | A kind of Multifunctional latch jack | |
| CN208773481U (en) | A kind of flange clamp device | |
| CN216297747U (en) | Bimetal pipe hydraulic pressure composite apparatus control system | |
| CN203557031U (en) | Welding machine magnetic bar impedor capable of preventing water from being splashed to weld joints | |
| CN109499215A (en) | A kind of chemical plant facility or power plants equipment gas safety environment protection emission device | |
| CN201561220U (en) | Water conduit coupling | |
| CN213127445U (en) | Repairing and clamping sleeve for drip irrigation tape | |
| CN218971877U (en) | Water outlet ball valve assembly | |
| CN208381449U (en) | A kind of detachable electrical magnet valve | |
| CN205047933U (en) | A ball valve for underground pipe line | |
| CN214305480U (en) | Self-sealing valve cover | |
| CN204901122U (en) | Pipe connector | |
| CN215256129U (en) | Drilling rod blowout preventer | |
| CN204772367U (en) | Pipeline plug puller | |
| CN204491728U (en) | A kind of pressurized tank | |
| CN114570719B (en) | Valve unblocking device |
Legal Events
| 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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |