CN110686165A - Intelligent natural gas pipeline corrosion monitoring device - Google Patents
Intelligent natural gas pipeline corrosion monitoring device Download PDFInfo
- Publication number
- CN110686165A CN110686165A CN201910979759.1A CN201910979759A CN110686165A CN 110686165 A CN110686165 A CN 110686165A CN 201910979759 A CN201910979759 A CN 201910979759A CN 110686165 A CN110686165 A CN 110686165A
- Authority
- CN
- China
- Prior art keywords
- valve
- natural gas
- butterfly valve
- gas pipeline
- monitoring device
- 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
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/005—Protection or supervision of installations of gas pipelines, e.g. alarm
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The invention discloses an intelligent natural gas pipeline corrosion monitoring device, which structurally comprises a natural gas pipeline, monitoring straight pipes, valves, a U-shaped pipeline, a detection device, an electrode array corrosion sensor and a blank cap.
Description
Technical Field
The invention relates to the technical field of pipeline monitoring, in particular to an intelligent natural gas pipeline corrosion monitoring device.
Background
With the rapid development of economy, a great deal of demand of people on natural gas, a great deal of buried high-pressure natural gas pipelines are built in China in recent years, a great deal of natural gas pipelines are buried underground, due to soil corrosion, the pipelines can be perforated, and the leakage of oil, gas and water causes great loss, the leakage of gas sometimes causes serious accidents such as fire, explosion and the like, even causes casualties, the external corrosion of the buried pipelines is mainly electrochemical corrosion, and the specific forms of the external corrosion mainly comprise micro-battery corrosion, macro-battery corrosion, microbial corrosion, stray current corrosion and the like.
Therefore, an intelligent natural gas pipeline corrosion monitoring device is needed to monitor the corrosion condition of the natural gas pipeline, the corrosion monitoring device is connected with the natural gas pipeline through a U-shaped pipeline, the natural gas pipeline needs to be sealed when the corrosion monitoring device is connected, the natural gas pipeline is sealed through a valve in the prior art, two valves need to be controlled respectively when the valve is opened and then controlled, and the valve is not convenient to rapidly control the opening and closing of the two valves.
Disclosure of Invention
Technical problem to be solved
In order to overcome prior art not enough, now provide an intelligent natural gas line corrosion monitoring device, solved prior art and sealed the natural gas line through adopting the valve, need control two valves respectively when opening the control of finishing to the valve, be not convenient for fast to the problem of opening and close of two valves and control.
(II) technical scheme
The invention is realized by the following technical scheme: the invention provides an intelligent natural gas pipeline corrosion monitoring device, which comprises a natural gas pipeline,
the monitoring straight pipe is used for connecting the natural gas pipeline with the valve;
the valve is used for connecting the monitoring straight pipe with the U-shaped pipeline;
the U-shaped pipeline is used for connecting the natural gas pipeline and the detection device;
furthermore, two monitoring straight pipes are arranged;
further, the length of the valve is consistent with the length between two ends of the bottom of the U-shaped pipeline.
Furthermore, the top of the natural gas pipeline is connected with two monitoring straight pipes, the top ends of the two monitoring straight pipes are respectively locked with the left side and the right side of the bottom of the valve, the left side and the right side of the top end of the valve are respectively locked with the two ends of the bottom of the U-shaped pipeline, a detection device is installed in the middle of the top end of the U-shaped pipeline, an electrode array corrosion sensor is arranged inside the detection device, the bottom end of the electrode array corrosion sensor extends into the U-shaped pipeline, and the top end of the detection device is mutually locked with the blank.
Further, the valve comprises gear commutator, protection outer tube, first butterfly valve and second butterfly valve, the protection outer tube has all been welded to the gear commutator left and right sides, and has welded first butterfly valve and second butterfly valve respectively in the protection outer tube outside, both ends are connected with U-shaped pipeline and monitoring straight tube respectively about first butterfly valve and the second butterfly valve.
Further, the gear commutator comprises shell, knob, fixed rotating shaft, fixing bearing, first bevel gear, second bevel gear, axis of rotation and shaft coupling, shell front end middle part is provided with a knob, the knob rear end is pegged graft with fixed rotating shaft each other, the fixed rotating shaft rear end runs through fixing bearing and pegs graft each other with first bevel gear centre of a circle department, and fixing bearing embedding is on the lateral wall before the shell, first bevel gear rear end left side and second bevel gear intermeshing, second bevel gear centre of a circle department pegs graft each other with the axis of rotation, the shell left and right sides middle part all imbeds there is the shaft coupling, and the axis of rotation all carries out concentric rotation with first butterfly valve and second butterfly valve respectively through the shaft coupling about both ends, the shell left and right sides respectively with the protection outer tube looks butt joint.
Further, first butterfly valve comprises valve body, valve rod, valve clack and supporting seat, the valve rod left end stretches into in the valve body and pegs graft each other with the valve clack, the inside bearing that is provided with of supporting seat, and the valve rod left end and the supporting seat interior bearing centre of a circle department peg graft each other, both sides are connected with U-shaped pipeline and monitoring straight tube respectively about the valve body.
Further, first butterfly valve and second butterfly valve are the same for the structure, and are left and right opposition setting.
Furthermore, a layer of rubber pad is sleeved on the outer side of the knob, and anti-skid grains are arranged on the outer side of the rubber pad.
Furthermore, the valve clacks in the first butterfly valve and the second butterfly valve are consistent in size, and the angles of the two valve clacks are the same.
Furthermore, the valve body and the valve clack are both made of stainless steel materials, so that the valve body and the valve clack are high in hardness, not prone to damage and not prone to rust.
Furthermore, the first bevel gear and the second bevel gear are both made of gear steel.
(III) advantageous effects
Compared with the prior art, the invention has the following beneficial effects:
in order to solve the problems that the prior art adopts valves to seal a natural gas pipeline, two valves need to be controlled respectively when the valves are controlled after being opened, and the opening and closing of the two valves are inconvenient to be controlled rapidly, the invention arranges a butterfly valve at the joint of two monitoring straight pipes and a U-shaped pipeline respectively, by arranging the gear commutator between the two butterfly valves, the left side and the right side of the gear commutator are respectively connected with the valve rods of the two butterfly valves, when the start of the two monitoring straight pipes is finished, only the knob at the front end of the gear commutator is required to be rotated, the valve rods of the two butterfly valves are driven to rotate simultaneously by the matching of the bevel gears in the gear reverser, can carry out simultaneous control to opening of two butterfly valves, increase the control speed of opening to two butterfly valves and ending, conveniently open to two monitoring straight tubes and end and carry out quick control.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of an electrode array corrosion sensor configuration of the present invention;
FIG. 3 is a top view of the valve structure of the present invention;
FIG. 4 is a top view of the internal structure of the gear commutator of the present invention;
fig. 5 is a schematic structural diagram of a first butterfly valve according to the present invention.
In the figure: the device comprises a natural gas pipeline-1, a monitoring straight pipe-2, a valve-3, a U-shaped pipeline-4, a detection device-5, an electrode array corrosion sensor-6, a blank cap-7, a gear commutator-31, a protective outer pipe-32, a first butterfly valve-33, a second butterfly valve-34, a shell-311, a knob-312, a fixed rotating shaft-313, a fixed bearing-314, a first bevel gear-315, a second bevel gear-316, a rotating shaft-317, a coupler-318, a valve body-331, a valve rod-332, a valve flap-333 and a support seat-334.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the present invention provides an intelligent natural gas pipeline corrosion monitoring device: comprising a natural gas pipeline (1) which is provided with a natural gas pipeline,
the monitoring straight pipe 2 is used for connecting the natural gas pipeline 1 with the valve 3;
the valve 3 is used for connecting the monitoring straight pipe 2 with the U-shaped pipeline 4;
the U-shaped pipeline 4 is used for connecting the natural gas pipeline 1 and the detection device 5;
wherein two monitoring straight pipes 2 are arranged;
wherein, the length of the valve 3 is consistent with the length between the two ends of the bottom of the U-shaped pipeline 4.
The top of the natural gas pipeline 1 is connected with two monitoring straight pipes 2, the top ends of the two monitoring straight pipes 2 are respectively locked with the left side and the right side of the bottom of a valve 3, the left side and the right side of the top end of the valve 3 are respectively locked with the two ends of the bottom of a U-shaped pipeline 4, a detection device 5 is installed in the middle of the top end of the U-shaped pipeline 4, an electrode array corrosion sensor 6 is arranged inside the detection device 5, the bottom end of the electrode array corrosion sensor 6 extends into the U-shaped pipeline 4, and the top end of the detection device 5 is mutually locked with a blank cap.
Wherein, valve 3 comprises gear commutator 31, protection outer tube 32, first butterfly valve 33 and second butterfly valve 34, the protection outer tube 32 has all been welded to the gear commutator 31 left and right sides, and has welded first butterfly valve 33 and second butterfly valve 34 respectively outside the protection outer tube 32, both ends are connected with U-shaped pipeline 4 and monitoring straight tube 2 respectively about first butterfly valve 33 and the second butterfly valve 34.
Wherein the gear commutator 31 is composed of a shell 311, a knob 312, a fixed rotating shaft 313, a fixed bearing 314, a first bevel gear 315, a second bevel gear 316, a rotating shaft 317 and a coupling 318, a knob 312 is arranged in the middle of the front end of the shell 311, the rear end of the knob 312 is inserted with the fixed rotating shaft 313, the rear end of the fixed rotating shaft 313 penetrates through the fixed bearing 314 and is inserted into the circle center of the first bevel gear 315, and a fixed bearing 314 is embedded on the front side wall of the housing 311, the left side of the rear end of the first bevel gear 315 is engaged with the second bevel gear 316, the circle center of the second bevel gear 316 is inserted with the rotating shaft 317, the middle parts of the left and right sides of the shell 311 are embedded with couplings 318, and the rotation axis 317 all carries out concentric rotation with first butterfly valve 33 and second butterfly valve 34 respectively through shaft coupling 317 through controlling both ends, the shell 31 left and right sides respectively with the mutual welding of protection outer tube 32.
Wherein, first butterfly valve 33 comprises valve body 331, valve rod 332, valve clack 333 and supporting seat 334, the valve rod 332 left end stretches into in the valve body 331 and pegs graft each other with valve clack 333, the inside bearing that is provided with of supporting seat 334, and the bearing centre of a circle department pegs graft each other in valve rod 332 left end and the supporting seat 334, both sides are connected with U-shaped pipeline 4 and monitoring straight tube 2 respectively about valve body 331.
Wherein, first butterfly valve 33 and second butterfly valve 34 are the same for the structure, and are about opposition setting, are favorable to controlling two opening of monitoring straight tube 2 through first butterfly valve 33 and second butterfly valve 34.
Wherein, the one deck rubber pad has been cup jointed in the knob 312 outside, and this rubber pad outside is provided with anti-skidding line, is favorable to carrying out the antiskid to knob 312, makes things convenient for knob 312 to rotate.
The valve clacks 333 in the first butterfly valve 33 and the second butterfly valve 34 are consistent in size, and the angles of the two valve clacks 333 are the same, so that the simultaneous control of the two monitoring straight pipes 2 after opening is facilitated.
The valve body 331 and the valve clack 333 are made of stainless steel, and are high in hardness, not prone to damage and not prone to rust.
The first bevel gear 315 and the second bevel gear 316 are made of gear steel.
According to the above table, the first bevel gear 315 and the second bevel gear 316 are made of gear steel, so that the strength, the wear resistance and the corrosion resistance of the gear steel are greatly enhanced, and the service life of the gear steel is prolonged.
The first bevel gear 315 and the second bevel gear 316 described in this patent are both made of gear steel, the gear steel is a general term for steel materials that can be used for manufacturing gears, and generally there are low carbon steels such as 20# steel, and low carbon alloy steels such as: 20Cr, 20CrMnTi, etc., medium carbon steel: 35# steel, 45# steel, and the like, medium carbon alloy steel: 40Cr, 42CrMo, 35CrMo and the like may be referred to as gear steels.
The working principle is as follows: before use, the device needs to be installed, when installation is carried out, firstly, the monitoring straight pipe 2 needs to be closed to avoid natural gas leakage inside the natural gas pipeline 1, through rotating the knob 312, the knob 312 drives the circle center of the first bevel gear 315 to rotate through the fixed rotating shaft 313, the middle part of the fixed rotating shaft 313 is supported through the fixed bearing 314, the fixed rotating shaft 313 rotates along the circle center of the fixed bearing 314, the first bevel gear 315 drives the second bevel gear 316 at the rear end to rotate, the second bevel gear 316 drives the rotating shaft 317 at the circle center to rotate, the left end and the right end of the rotating shaft 317 respectively drive the valve bodies 331 of the first butterfly valve 33 and the second butterfly valve 34 to rotate through the shaft couplings 318, the valve bodies 331 drive the valve flaps 333 to rotate, the rotating angle of the knob 312 is controlled to enable the valve flaps 333 to seal the valve bodies 331, and because the first butterfly, close two monitoring straight tubes 2 simultaneously, then be connected first butterfly valve 33 and second butterfly valve 34 respectively with U-shaped pipeline 4 both ends, and be connected electrode array corrosion sensor 6 and outside only can controlgear, when using, through reverse rotation knob 312, open the valve clack 333 of first butterfly valve 33 and second butterfly valve 34 simultaneously, connect monitoring straight tube 2 and U-shaped pipeline 4, supply power and send control command through outside intelligent control device, the corruption condition of monitoring natural gas line 1 through electrode array corrosion sensor 6, especially can monitor the condition that local corrosion takes place, monitoring is convenient and reliable.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described, and the standard parts used in the present invention are all available on the market, the special-shaped parts can be customized according to the description and the accompanying drawings, the specific connection mode of each part adopts the conventional means of bolt and rivet, welding and the like mature in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described herein.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides an intelligent natural gas line corrosion monitoring device, includes natural gas line (1), its characterized in that still includes:
the monitoring straight pipe (2) is used for connecting the natural gas pipeline (1) with the valve (3);
the valve (3) is used for connecting the monitoring straight pipe (2) with the U-shaped pipeline (4);
the U-shaped pipeline (4) is used for connecting the natural gas pipeline (1) and the detection device (5);
wherein two monitoring straight pipes (2) are arranged;
wherein, the length of the valve (3) is consistent with the length between the two ends of the bottom of the U-shaped pipeline (4).
2. The intelligent natural gas pipeline corrosion monitoring device of claim 1, wherein: the gas pipeline (1) top is connected with two monitoring straight tubes (2), and two monitoring straight tubes (2) tops lock solid with valve (3) bottom left and right sides respectively, valve (3) top left and right sides lock solid each other with U-shaped pipeline (4) bottom both ends respectively, U-shaped pipeline (4) top mid-mounting has detection device (5), detection device (5) inside is provided with electrode array corrosion sensor (6), and electrode array corrosion sensor (6) bottom stretches into in U-shaped pipeline (4), detection device (5) top and stifle (7) lock solid each other.
3. The intelligent natural gas pipeline corrosion monitoring device of claim 2, wherein: valve (3) comprise gear commutator (31), protection outer tube (32), first butterfly valve (33) and second butterfly valve (34), gear commutator (31) left and right sides all welds protection outer tube (32), and has welded first butterfly valve (33) and second butterfly valve (34) respectively in the protection outer tube (32) outside, both ends are connected with U-shaped pipeline (4) and monitoring straight tube (2) respectively about first butterfly valve (33) and second butterfly valve (34).
4. The intelligent natural gas pipeline corrosion monitoring device of claim 3, wherein: the gear reverser (31) comprises a shell (311), a knob (312), a fixed rotating shaft (313), a fixed bearing (314), a first bevel gear (315), a second bevel gear (316), a rotating shaft (317) and a coupler (318), wherein the middle part of the front end of the shell (311) is provided with the knob (312), the rear end of the knob (312) is mutually inserted into the fixed rotating shaft (313), the rear end of the fixed rotating shaft (313) penetrates through the fixed bearing (314) to be mutually inserted into the circle center of the first bevel gear (315), the fixed bearing (314) is embedded into the front side wall of the shell (311), the left side of the rear end of the first bevel gear (315) is mutually meshed with the second bevel gear (316), the circle center of the second bevel gear (316) is mutually inserted into the rotating shaft (317), the middle parts of the left side and the right side of the shell (311) are respectively embedded with the coupler (318), and the rotating shaft (317) is respectively connected with the first butterfly valve (33) and the second butterfly valve (317 34) The concentric rotation is carried out, and the left side and the right side of the shell (31) are respectively welded with the protective outer tube (32).
5. The intelligent natural gas pipeline corrosion monitoring device of claim 3, wherein: first butterfly valve (33) comprise valve body (331), valve rod (332), valve clack (333) and supporting seat (334), valve rod (332) left end is stretched into and is pegged graft each other with valve clack (333) in valve body (331), supporting seat (334) inside is provided with the bearing, and valve rod (332) left end and supporting seat (334) interior bearing centre of a circle department peg graft each other, both sides are connected with U-shaped pipeline (4) and monitoring straight tube (2) respectively about valve body (331).
6. The intelligent natural gas pipeline corrosion monitoring device of claim 5, wherein: the first butterfly valve (33) and the second butterfly valve (34) are the same in structure and are arranged oppositely left and right.
7. The intelligent natural gas pipeline corrosion monitoring device of claim 4, wherein: a layer of rubber pad is sleeved on the outer side of the knob (312), and anti-skid grains are arranged on the outer side of the rubber pad.
8. The intelligent natural gas pipeline corrosion monitoring device of claim 6, wherein: the valve clacks (333) in the first butterfly valve (33) and the second butterfly valve (34) are consistent in size, and the angles of the two valve clacks (333) are the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910979759.1A CN110686165A (en) | 2019-10-15 | 2019-10-15 | Intelligent natural gas pipeline corrosion monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910979759.1A CN110686165A (en) | 2019-10-15 | 2019-10-15 | Intelligent natural gas pipeline corrosion monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110686165A true CN110686165A (en) | 2020-01-14 |
Family
ID=69112818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910979759.1A Pending CN110686165A (en) | 2019-10-15 | 2019-10-15 | Intelligent natural gas pipeline corrosion monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110686165A (en) |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101931088A (en) * | 2009-06-19 | 2010-12-29 | 现代自动车株式会社 | Integrated valve system for fuel cell stack |
| CN201891898U (en) * | 2010-11-22 | 2011-07-06 | 四川省威远银星实业有限公司 | Double-linkage numerically-controlled electric butterfly valve |
| CN202927229U (en) * | 2012-11-27 | 2013-05-08 | 飞潮（无锡）过滤技术有限公司 | Synchronous switch device for valves of continuous filtering device |
| CN203036013U (en) * | 2013-03-20 | 2013-07-03 | 北京承天倍达过滤技术有限责任公司 | Duplex three-way ball valve |
| CN103439247A (en) * | 2013-09-04 | 2013-12-11 | 南京佳业检测工程有限公司 | Online corrosion monitoring device for natural gas pipeline |
| CN204852478U (en) * | 2015-07-21 | 2015-12-09 | 田晓良 | Cover cross valve is pressed from both sides in double -end linkage |
| CN105351537A (en) * | 2015-11-19 | 2016-02-24 | 成都九十度工业产品设计有限公司 | Butterfly valve with two valve clacks |
| CN205605950U (en) * | 2016-05-04 | 2016-09-28 | 陈勇 | Natural gas line double acting butterfly valve |
| CN205618787U (en) * | 2016-05-18 | 2016-10-05 | 浙江盟洲阀门有限公司 | Butterfly valve |
| CN206268465U (en) * | 2016-12-21 | 2017-06-20 | 乌鲁木齐市康和塑业有限公司 | Plastic butterfly valve |
| CN107120448A (en) * | 2017-05-09 | 2017-09-01 | 盐城威乐阀门制造有限公司 | Double ball valve valves that a kind of gear drive is opened and closed |
| CN207500489U (en) * | 2017-05-29 | 2018-06-15 | 浙江逻森风机有限公司 | A kind of remote control fire control smoke exhausting valve |
| CN207864636U (en) * | 2017-10-26 | 2018-09-14 | 新乡市宇通实业有限公司 | A kind of hard seal butterfly valve |
| CN208397416U (en) * | 2018-04-23 | 2019-01-18 | 广州永恒新能源科技有限公司 | A kind of double butterfly switch components |
| CN209458212U (en) * | 2018-09-26 | 2019-10-01 | 安徽汇川机械有限公司 | A kind of hydraulic power station flow manual switching device |
| CN209484031U (en) * | 2018-08-28 | 2019-10-11 | 天津联工阀门有限公司 | A kind of valve actuator |
-
2019
- 2019-10-15 CN CN201910979759.1A patent/CN110686165A/en active Pending
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101931088A (en) * | 2009-06-19 | 2010-12-29 | 现代自动车株式会社 | Integrated valve system for fuel cell stack |
| CN201891898U (en) * | 2010-11-22 | 2011-07-06 | 四川省威远银星实业有限公司 | Double-linkage numerically-controlled electric butterfly valve |
| CN202927229U (en) * | 2012-11-27 | 2013-05-08 | 飞潮（无锡）过滤技术有限公司 | Synchronous switch device for valves of continuous filtering device |
| CN203036013U (en) * | 2013-03-20 | 2013-07-03 | 北京承天倍达过滤技术有限责任公司 | Duplex three-way ball valve |
| CN103439247A (en) * | 2013-09-04 | 2013-12-11 | 南京佳业检测工程有限公司 | Online corrosion monitoring device for natural gas pipeline |
| CN204852478U (en) * | 2015-07-21 | 2015-12-09 | 田晓良 | Cover cross valve is pressed from both sides in double -end linkage |
| CN105351537A (en) * | 2015-11-19 | 2016-02-24 | 成都九十度工业产品设计有限公司 | Butterfly valve with two valve clacks |
| CN205605950U (en) * | 2016-05-04 | 2016-09-28 | 陈勇 | Natural gas line double acting butterfly valve |
| CN205618787U (en) * | 2016-05-18 | 2016-10-05 | 浙江盟洲阀门有限公司 | Butterfly valve |
| CN206268465U (en) * | 2016-12-21 | 2017-06-20 | 乌鲁木齐市康和塑业有限公司 | Plastic butterfly valve |
| CN107120448A (en) * | 2017-05-09 | 2017-09-01 | 盐城威乐阀门制造有限公司 | Double ball valve valves that a kind of gear drive is opened and closed |
| CN207500489U (en) * | 2017-05-29 | 2018-06-15 | 浙江逻森风机有限公司 | A kind of remote control fire control smoke exhausting valve |
| CN207864636U (en) * | 2017-10-26 | 2018-09-14 | 新乡市宇通实业有限公司 | A kind of hard seal butterfly valve |
| CN208397416U (en) * | 2018-04-23 | 2019-01-18 | 广州永恒新能源科技有限公司 | A kind of double butterfly switch components |
| CN209484031U (en) * | 2018-08-28 | 2019-10-11 | 天津联工阀门有限公司 | A kind of valve actuator |
| CN209458212U (en) * | 2018-09-26 | 2019-10-01 | 安徽汇川机械有限公司 | A kind of hydraulic power station flow manual switching device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205397694U (en) | Integration hose capstan winch structure | |
| CN205673642U (en) | Pressurized driller for pipeline | |
| CN110686165A (en) | Intelligent natural gas pipeline corrosion monitoring device | |
| CN108916445A (en) | A kind of polyethylene ball valve | |
| CN109798384B (en) | Valve body of polyethylene ball valve | |
| CN205371938U (en) | Pipeline rush -repair joint | |
| CN209743618U (en) | Novel fixed all-welded ball valve | |
| CN213928267U (en) | Petroleum casing joint | |
| CN115727203A (en) | High-pressure sealing connection structure for hydraulic pipeline | |
| CN216007186U (en) | Sealing structure for sewage pipeline connection | |
| CN203770669U (en) | Full-welding anti-rubbing-leakage thermal-insulation stop valve | |
| CN216589986U (en) | But oiling formula worm wheel butterfly valve drive | |
| CN210510747U (en) | Y-shaped bidirectional ball-passing tee joint | |
| CN211667170U (en) | Fire-fighting signal butterfly valve with alarm effect | |
| CN208651858U (en) | Double-wall corrugated pipe | |
| CN222014186U (en) | Water conservancy pipeline butt weld device of detecting a flaw | |
| CN221838948U (en) | Wear-resistant eccentric hemispherical valve | |
| CN220540539U (en) | Stainless steel lining bimetal composite pipe | |
| CN219414448U (en) | Pipeline water pressure detection device for municipal foundation construction | |
| CN221569445U (en) | Butterfly valve convenient to connect with pipeline | |
| CN221548021U (en) | Hydraulic pipeline connecting assembly | |
| CN220118742U (en) | Adjustable fire control butterfly valve | |
| CN219571027U (en) | Manual valve of large-caliber high-pressure pipeline with DN300 or more | |
| CN219327142U (en) | Combined water tank structure for secondary water supply | |
| CN207064313U (en) | A kind of anti-dry grinding auto pump water seal |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200114 |