Natural gas odorization device

Abstract

A natural gas odorizing device comprises a natural gas pipeline, a limiting lantern ring, a sealing sleeve, an odor adding barrel, a detachable pipeline, a side connecting lug, a rotating shaft, an arc-shaped baffle and a double-torsion spring, the natural gas pipeline is provided with a natural gas pipeline notch, the detachable pipeline is matched with the natural gas pipeline notch and inserted into the natural gas pipeline notch, and the side connecting lug is arranged on the side connecting lug. The natural gas pipeline is matched with the sealing sleeve, the natural gas pipeline is inserted into the sealing sleeve, the natural gas pipeline is matched with the limiting lantern ring, the natural gas pipeline is inserted into the limiting lantern ring, the outer side of the natural gas pipeline is connected with the limiting lantern ring, the limiting lantern ring is provided with a limiting lantern ring inner groove, and the limiting lantern ring inner groove is matched with the limiting lantern ring inner groove. The sealing sleeve is matched with the limiting lantern ring inner groove, the sealing sleeve is inserted into the limiting lantern ring inner groove, the limiting lantern rings are symmetrically arranged at the upper end and the lower end of the sealing sleeve, the side face of the sealing sleeve is provided with a sealing sleeve connecting pipe, and the sealing sleeve connecting pipe is connected with an odor adding barrel.

Description

Technical Field

[0001] The utility model relates to the field of natural gas odorization, in particular to a natural gas odorization device. Background Art

[0002] The existing patent (Announcement No.: CN107420744A) proposes a natural gas odorant adding device, including a control panel, a base, an odorant tank, a liquid level gauge, an air inlet valve, an air outlet valve, an odorant generator, a pressure reducing valve, a liquid phase valve, and a gas phase valve; the base is provided with a control panel and an odorant tank; the control panel is provided with a liquid level gauge, a pressure gauge, a pressure gauge valve, an air inlet valve, an air outlet valve, a liquid phase valve, and a gas phase valve; the air inlet valve is connected to the odorant generator through a pressure reducing valve; the odorant tank is connected to the odorant generator, and the odorant generator is connected to the odorant tank. The upper liquid level valve and the lower liquid level valve of the liquid level meter are connected; the odorant generator is connected to the pressure gauge valve, the pressure reducing valve, the air outlet valve, the gas phase valve and the liquid phase valve respectively; the three-way valve of the upper liquid level valve is connected to the gas phase valve, and the three-way valve of the lower liquid level valve is connected to the liquid phase valve; this device only requires an air inlet and an air outlet for connection and installation, but this device directly adds odor to the pipeline through the air outlet, and there is no structure on the pipeline to prevent natural gas from leaking back. Moreover, this device is arranged at the source of the pipeline, which is relatively large in size, and it is convenient to extend the odor addition of the pipeline. Summary of the invention

[0003] The utility model aims at the above-mentioned deficiencies in the prior art and provides a natural gas odorizing device which can add odor to the inside of a natural gas pipeline at any time during use and extend the use length of the odor of the natural gas in the pipeline.

[0004] The purpose of this utility model is achieved through the following technical solutions:

[0005] A natural gas odorizing device comprises a natural gas pipeline, a limiting collar, a sealing sleeve, an odor filling barrel, a detachable pipeline, a side connecting ear, a rotating shaft, an arc-shaped baffle, and a double torsion spring. The natural gas pipeline has a natural gas pipeline notch, the detachable pipeline is adapted to the natural gas pipeline notch, the detachable pipeline is inserted into the natural gas pipeline notch, the inner and outer diameters of the natural gas pipeline and the detachable pipeline are the same, the natural gas pipeline is adapted to the sealing sleeve, the natural gas pipeline is inserted into the sealing sleeve, the natural gas pipeline is adapted to the limiting collar, the natural gas pipeline is inserted into the limiting collar, the outer side of the natural gas pipeline is connected to the limiting collar, the limiting collar has an inner groove of the limiting collar, the sealing sleeve is adapted to the inner groove of the limiting collar, the sealing sleeve is inserted into the inner groove of the limiting collar, the limiting collar is symmetrically arranged at the upper and lower ends of the sealing sleeve, the side of the sealing sleeve is provided with a sealing sleeve pipe, the sealing sleeve pipe is connected to the odor filling barrel, the upper part of the odor filling barrel is provided with a No. 1 joint, and the upper part of the odor filling barrel is provided with a No. 2 joint.

[0006] The detachable pipe has a detachable pipe side hole, the detachable pipe side hole is communicated with the sealing sleeve pipe, the side connecting ear is connected to the detachable pipe, a group of side connecting ears are distributed in the detachable pipe, the arc-shaped baffle is adapted to the detachable pipe, the arc-shaped baffle is inserted into the detachable pipe, the outer side surface of the arc-shaped baffle is fitted with the inner side surface of the detachable pipe, and the side surface of the arc-shaped baffle is provided with an arc-shaped baffle side sleeve.

[0007] The side surface of the arc-shaped baffle side sleeve is fitted with the side connecting ear, and the arc-shaped baffle side sleeve is connected to the side connecting ear through a rotating shaft. The rotating shaft rotates in the arc-shaped baffle side sleeve, and the arc-shaped baffle is placed on the inner side surface of the side hole of the detachable pipeline. The double torsion spring is sleeved on the rotating shaft, and one end of the double torsion spring is against the detachable pipeline. Beneficial Effects

[0008] 1. The utility model sleeves the sealing sleeve on the natural gas pipeline, sleeves the symmetrical limiting collar on the natural gas pipeline and welds it on the natural gas pipeline, the symmetrical limiting collar supports and fixes the sealing sleeve, prevents the sealing sleeve from sliding downward when the natural gas is odorized, and makes the natural gas pipeline and the sealing sleeve connected and fastened, the detachable pipeline is inserted into the notch of the natural gas pipeline, and the detachable pipeline and the natural gas pipeline are arranged in a spliced ​​connection mode, which is more convenient to install the arc baffle and other accessories in the detachable pipeline compared with the integrated structure of the natural gas pipeline, the odor in the odor filling barrel can enter the natural gas pipeline through the sealing sleeve pipe and the side hole of the detachable pipeline to odorize the inside, and the side connection The ear is connected to the side sleeve of the arc baffle through a rotating shaft, so that the arc baffle is fixed inside the detachable pipe and can rotate axially at the same time. The arc baffle is located on the inner side corresponding to the side hole of the detachable pipe. The arc baffle can block the side hole of the detachable pipe when the natural gas is odorized to prevent the natural gas in the natural gas pipeline from entering the odor filling barrel from the side hole of the detachable pipe when in use. The double torsion spring is sleeved on the rotating shaft, and the rotating shaft positions the double torsion spring. The double torsion spring uses the detachable pipe as a support to apply thrust to the side convex plate, thereby making the arc baffle fit closely with the inner wall of the detachable pipe, preventing the arc baffle and the inner wall of the detachable pipe from having a gap when the natural gas is odorized, causing the natural gas inside the natural gas pipeline to leak into the odor filling barrel.

[0009] 2. The utility model connects the No. 1 joint with the joint of the odor barrel so that the odor can be transported downward into the odor filling barrel, and the No. 2 joint is connected with the joint of the compressor. When in use, the valve connecting the odor barrel and the No. 1 joint is opened to allow the odor to enter the odor filling barrel and then the valve is closed. The compressor is turned on to work, and the pressure in the odor filling barrel is pushed into the natural gas pipeline through the sealing sleeve pipe and the detachable pipeline side hole to odorize the natural gas inside the natural gas pipeline. Under the action of pressure, the arc baffle is rotated and opened, and the natural gas pipeline can be odorized smoothly. After the odorization is completed, the compressor is closed, and the arc baffle is reset under the action of the double torsion springs. This device can odorize the inside of the natural gas pipeline at any time in the later stage when in use, thereby extending the use length of the odor of the natural gas in the pipeline. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 This is a right-view axonometric diagram of a natural gas odorizing device described in the utility model.

[0011] Figure 2 This is a left-side axonometric view of a natural gas odorizing device described in the utility model.

[0012] Figure 3 This is the first cross-sectional view of a natural gas odorizing device described in the utility model.

[0013] Figure 4 This is a second cross-sectional view of a natural gas odorizing device described in the utility model.

[0014] Figure 5 This is an axonometric diagram of the natural gas pipeline described in the utility model.

[0015] Figure 6 This is an axonometric view of the detachable pipeline and arc-shaped baffle described in the utility model.

[0016] Figure 7 This is an axonometric drawing of the detachable pipeline described in the utility model.

[0017] Figure 8 This is an axonometric view of the arc-shaped baffle described in the utility model. DETAILED DESCRIPTION

[0018] The utility model is further described in detail below according to the accompanying drawings and embodiments:

[0019] Embodiment 1:

[0020] A natural gas odorizing device comprises a natural gas pipeline 01, a limiting collar 03, a sealing sleeve 05, an odor filling barrel 07, a detachable pipeline 09, a side connecting ear 11, a rotating shaft 12, an arc baffle 13, and a double torsion spring 17. The natural gas pipeline 01 has a natural gas pipeline notch 02, the detachable pipeline 09 is adapted to the natural gas pipeline notch 02, the detachable pipeline 09 is inserted into the natural gas pipeline notch 02, the detachable pipeline 09 and the natural gas pipeline 01 are arranged in a spliced ​​connection mode, compared with the integrated structure of the natural gas pipeline 01, it is more convenient to install the arc baffle 13 and other accessories in the detachable pipeline 09, the natural gas pipeline 01 and the detachable pipeline 09 have the same inner and outer diameters, the natural gas pipeline 01 is adapted to the sealing sleeve 05, the natural gas pipeline 01 is inserted into the sealing sleeve 05, the natural gas pipeline 01 is adapted to the limiting collar 03, the natural gas pipeline 01 is inserted into the limiting collar 03, the outer side of the natural gas pipeline 01 is connected to the limiting collar 03, the limiting collar 03 is The sleeve 03 has a limiting sleeve inner groove 04, and the sealing sleeve 05 is adapted to the limiting sleeve inner groove 04. The sealing sleeve 05 is inserted into the limiting sleeve inner groove 04. The limiting sleeve 03 is symmetrically arranged at the upper and lower ends of the sealing sleeve 05. The sealing sleeve 05 is sleeved on the natural gas pipeline 01, and the symmetrical limiting sleeve 03 is sleeved on the natural gas pipeline 01 and welded on the natural gas pipeline 01. The symmetrical limiting sleeve 03 supports and fixes the sealing sleeve 05 to prevent the sealing sleeve 05 from being damaged when the natural gas is odorized. The sealing sleeve 05 slides downward to connect the natural gas pipeline 01 and the sealing sleeve 05 tightly. The side of the sealing sleeve 05 is provided with a sealing sleeve connecting pipe 06. The sealing sleeve connecting pipe 06 is connected to the odor filling barrel 07. The odor in the odor filling barrel 07 can enter the natural gas pipeline 01 through the sealing sleeve connecting pipe 06 and the detachable pipeline side hole 10 to odorize the interior. The upper part of the odor filling barrel 07 is provided with a No. 1 joint 08, and the upper part of the odor filling barrel 07 is provided with a No. 2 joint 18.

[0021] Embodiment 2:

[0022] The detachable pipe 09 described in the utility model has a detachable pipe side hole 10, the detachable pipe side hole 10 is communicated with the sealing sleeve pipe 06, the side connecting ear 11 is connected to the detachable pipe 09, a group of side connecting ears 11 are distributed in the detachable pipe 09, the arc-shaped baffle 13 is adapted to the detachable pipe 09, the arc-shaped baffle 13 is inserted into the detachable pipe 09, the outer side surface of the arc-shaped baffle 13 is fitted with the inner side surface of the detachable pipe 09, and the side surface of the arc-shaped baffle 13 is provided with an arc-shaped baffle side sleeve 14.

[0023] Embodiment 3:

[0024] The side surface of the arc-shaped baffle side sleeve 14 of the utility model is fitted with the side connecting ear 11, and the arc-shaped baffle side sleeve 14 is connected to the side connecting ear 11 through the rotating shaft 12, so that the arc-shaped baffle 13 is fixed inside the detachable pipe 09 and the arc-shaped baffle 13 can rotate axially. The rotating shaft 12 rotates in the arc-shaped baffle side sleeve 14, and the arc-shaped baffle 13 is placed on the inner side of the detachable pipe side hole 10. The arc-shaped baffle 13 is on the inner side corresponding to the detachable pipe side hole 10. The arc-shaped baffle 13 can block the detachable pipe side hole 10 when the natural gas is odorized to prevent the natural gas in the natural gas pipeline 01 from entering the odor filling barrel 07 from the detachable pipe side hole 10 when in use. The double torsion spring 17 is sleeved on the rotating shaft 12, and one end of the double torsion spring 17 is against the detachable pipe 09.

[0025] Embodiment 4:

[0026] The arc-shaped baffle plate 13 of the utility model has a clearance groove 16, a double torsion spring 17 is inserted into the clearance groove 16, and a side convex plate 15 is provided on the side of the clearance groove 16, and the other end of the double torsion spring 17 is against the side convex plate 15, and the rotating shaft 12 positions the double torsion spring 17, and the double torsion spring 17 uses the detachable pipe 09 as a support to exert a thrust on the side convex plate 15, so that the arc-shaped baffle plate 13 is closely fitted with the inner wall of the detachable pipe 09, and when the natural gas is odorized, a gap is prevented between the arc-shaped baffle plate 13 and the inner wall of the detachable pipe 09, which causes the natural gas inside the natural gas pipe 01 to leak into the odor filling barrel 07, and the No. 1 joint 08 is connected to the odor barrel, so that the odor can be discharged downward into the odor filling barrel 07 Transport, the No. 2 joint 18 is connected to the compressor. When in use, open the valve connecting the odor barrel and the No. 1 joint 08 to allow the odor to enter the odor filling barrel 07 and then close the valve, turn on the compressor to work, and push the pressure in the odor filling barrel 07 into the natural gas pipeline 01 through the sealing sleeve pipe 06 and the detachable pipeline side hole 10 to odorize the natural gas inside the natural gas pipeline 01. Under the action of pressure, the arc baffle 13 is rotated and opened, and the natural gas pipeline 01 can be odorized smoothly. After the odorization is completed, the compressor is closed, and the arc baffle 13 is reset under the action of the double torsion spring 17. This device can odorize the inside of the natural gas pipeline 01 at any time when in use.

[0027] Embodiment 5:

[0028] The utility model installation steps are as follows: first connect the side connecting ear 11 to the detachable pipe 09, pass the rotating shaft 12 through the side connecting ear 11, the double torsion spring 17, and the arc-shaped baffle side sleeve 14 in sequence, connect the rotating shaft 12 to the side connecting ear 11, respectively abut the two ends of the double torsion spring 17 against the side convex plate 15 and the detachable pipe 09, insert the detachable pipe 09 into the notch 02 of the natural gas pipeline, sleeve the sealing sleeve 05 on the outside of the natural gas pipeline 01, sleeve the limiting collar 03 on the natural gas pipeline 01, insert the upper and lower ends of the sealing sleeve 05 into the symmetrical limiting collar inner grooves 04, weld the limiting collar 03 to the natural gas pipeline 01, connect the No. 1 joint 08 with the odor barrel joint, and connect the No. 2 joint 18 with the compressor joint.

[0029] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as within the protection scope of the present invention.

Claims

1. A natural gas odorizing device, characterized in that : comprising a natural gas pipeline (01), a limiting collar (03), a sealing sleeve (05), an odor filling barrel (07), a detachable pipeline (09), a side connection ear (11), a rotating shaft (12), an arc-shaped baffle (13), and a double torsion spring (17), wherein the natural gas pipeline (01) has a natural gas pipeline notch (02), the detachable pipeline (09) is adapted to the natural gas pipeline notch (02), the detachable pipeline (09) is inserted into the natural gas pipeline notch (02), the natural gas pipeline (01) and the detachable pipeline (09) have the same inner and outer diameters, the natural gas pipeline (01) is adapted to the sealing sleeve (05), the natural gas pipeline (01) is inserted into the sealing sleeve (05), the natural gas pipeline (01) and the limiting collar (03), the sealing sleeve (05) is adapted to the natural gas pipeline (01), the sealing sleeve (05) is inserted into the natural gas pipeline (01), the sealing sleeve (05) and the limiting collar (04) are adapted to the natural gas pipeline (01), the sealing sleeve (05) is inserted into the natural gas pipeline (01), the sealing sleeve (05) and the sealing sleeve (04) are adapted to the natural gas pipeline (01), the sealing sleeve (05) and the sealing sleeve (04) are inserted into ... The gas pipe (01) is adapted to the limit ring (03), the natural gas pipe (01) is inserted into the limit ring (03), the outer side of the natural gas pipe (01) is connected to the limit ring (03), the limit ring (03) has a limit ring inner groove (04), the sealing sleeve (05) is adapted to the limit ring inner groove (04), the sealing sleeve (05) is inserted into the limit ring inner groove (04), the limit ring (03) is symmetrically arranged at the upper and lower ends of the sealing sleeve (05), the side of the sealing sleeve (05) is provided with a sealing sleeve pipe (06), the sealing sleeve pipe (06) is connected to the odor filling barrel (07), the upper part of the odor filling barrel (07) is provided with a No. 1 joint (08), and the upper part of the odor filling barrel (07) is provided with a No. 2 joint (18).

2. A natural gas odorizing device according to claim 1, characterized in that The detachable pipe (09) has a detachable pipe side hole (10), the detachable pipe side hole (10) is communicated with the sealing sleeve pipe (06), the side connection ear (11) is connected to the detachable pipe (09), a group of side connection ears (11) are distributed in the detachable pipe (09), the arc-shaped baffle (13) is adapted to the detachable pipe (09), the arc-shaped baffle (13) is inserted into the detachable pipe (09), the outer side surface of the arc-shaped baffle (13) is fitted with the inner side surface of the detachable pipe (09), and the side surface of the arc-shaped baffle (13) is provided with an arc-shaped baffle side sleeve (14).

3. A natural gas odorizing device according to claim 2, characterized in that The side surface of the arc-shaped baffle plate side sleeve (14) is fitted with the side connecting ear (11), the arc-shaped baffle plate side sleeve (14) is connected to the side connecting ear (11) via a rotating shaft (12), the rotating shaft (12) rotates in the arc-shaped baffle plate side sleeve (14), the arc-shaped baffle plate (13) is placed on the inner side surface of the detachable pipe side hole (10), the double torsion spring (17) is sleeved on the rotating shaft (12), and one end of the double torsion spring (17) is against the detachable pipe (09).

4. A natural gas odorizing device according to claim 1, characterized in that The arc-shaped baffle plate (13) has a clearance groove (16), a double torsion spring (17) is inserted into the clearance groove (16), and a side of the clearance groove (16) has a side convex plate (15); the other end of the double torsion spring (17) is against the side convex plate (15), the first joint (08) is connected to the odor barrel, and the second joint (18) is connected to the pressurizer.

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