阅读说明：本技术 一种智能型天然气管道腐蚀监测装置 (Intelligent natural gas pipeline corrosion monitoring device ) 是由 彭星煜 周娇 喻建胜 何莎 王浩 王庆 于 2019-10-15 设计创作，主要内容包括：本发明公开了一种智能型天然气管道腐蚀监测装置,其结构包括天然气管道、监测直管、阀门、U形管道、检测装置、电极阵列腐蚀传感器和闷盖,本发明通过在两个监测直管和U形管道的连接处分别设置了一个蝶阀,通过在两个蝶阀之间设置了齿轮换向器,齿轮换向器左右两侧分别与两个蝶阀的阀杆进行连接,在对两个监测直管的启毕进行控制时,只需旋转齿轮换向器前端的旋钮,通过齿轮换向器内部锥齿轮之间的配合同时带动两个蝶阀的阀杆进行旋转,即可对两个蝶阀的启毕进行同时控制,增加对两个蝶阀启毕的控制速度,方便对两个监测直管的启毕进行快速控制。(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.)

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.

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.