CN218936052U

CN218936052U - Odorizing device

Info

Publication number: CN218936052U
Application number: CN202223323593.4U
Authority: CN
Inventors: 侯畅; 刘青国; 张磊; 何景耀; 焦世华
Original assignee: Zhaoqing Foran Natural Gas Co ltd
Current assignee: Zhaoqing Foran Natural Gas Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-04-28
Anticipated expiration: 2032-12-12

Abstract

The utility model discloses an odorizing device which comprises a storage tank, an air inlet pipe, an air guide pipe, a mixing box, an odorizing pipe and an air outlet pipe, wherein one end of the air inlet pipe is connected with a gas pipeline, the other end of the air inlet pipe extends to the bottom of the storage tank, a diffusing pipe is arranged at the top end of the storage tank, and the diffusing pipe is communicated with the storage tank; this odorizing device is through setting up the holding vessel in order to store the deodorant, then extends to the holding vessel bottom through the intake pipe other end, then through setting up the mixing box, is connected between cooperation mixing box and the holding vessel and adds the stink pipe, makes natural gas and deodorant intensive mixing, exports through the outlet duct at last, and overall structure is simple and practical, can be used in user side department, makes the deodorant content of natural gas reach the standard.

Description

Odorizing device

Technical Field

The utility model relates to the technical field of fuel gas, in particular to an odorizing device.

Background

Along with the increasing popularization of pipeline natural gas in China, the dependence of people on natural gas in daily production is higher, the problem of safety accidents is often caused, the safety accidents are often caused by leakage of the natural gas, the safety use knowledge of the natural gas is reinforced by people to avoid the leakage, but people can find out how to add enough tetrahydrothiophene into the natural gas in time after the leakage; most of the domestic odorizing equipment is mainly fixed and filled at the station outlet end, and no convenient odorizing device is available, so that part of gas companies can make the pipeline into a ring shape under certain conditions to avoid the problem of small user airflow accumulation. And the former users of some cells are not more, the air flow is not small, and the company which cannot be made into the annular pipe network uses the equipment to fill some tetrahydrothiophene at the user end at fixed time.

The utility model provides a publication number is CN101206009B, an unpowered odorizing device, and it includes square pipeline, takes the supplementary jar of charge door, characterized by: the replenishing tank is communicated with the square pipeline through the communicating pipe, the stop valve is arranged on the communicating pipe, the metering tank is arranged at the lower part of the square pipeline and communicated with the replenishing tank through the communicating pipe, the stop valve is arranged on the communicating pipe, the two micro regulating valves are arranged at the upper part of the square pipeline, the valve core capable of being adjusted up and down of the micro regulating valves is provided with the adsorption fiber with the sheath, and the adsorption fiber is directly inserted into the metering tank through the square pipeline. The utility model is suitable for the odorizing of the fuel gas with the flow rate of less than 500m3/h, and the odorizing agent is added into the fuel gas according to a certain proportion under the condition of no power, so that the operation is simple and convenient. The odorizing device is suitable for a low-flow user end, but cannot fully mix natural gas and an odor agent.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide a simple and practical odorizing device.

In order to achieve the above purpose, the present utility model provides the following solutions: the utility model provides an odorizing device, includes holding vessel, intake pipe, air duct, mixing box, odorizing pipe, outlet duct, gas pipeline is connected to intake pipe one end, and the other end extends to the holding vessel bottom, the holding vessel top is provided with the diffusion tube, diffusion tube intercommunication holding vessel, the holding vessel top side is connected the air duct, connect through the three-way valve between air duct, outlet duct, the mixing box, the bottom side of holding vessel is connected to odorizing pipe one end, and the mixing box is connected to the other end, the end connection of giving vent to anger of mixing box the outlet duct, outlet duct end connection gas pipeline, wherein, be provided with concentration detector on the air duct, be provided with the atomizer on the odorizing pipe, be provided with rotor flowmeter on the outlet duct.

The beneficial effects of the utility model are as follows: the natural gas and the odor agent are fully mixed, the odor adding device is provided with the storage tank to store the odor agent, then the other end of the air inlet pipe extends to the bottom of the storage tank to fully mix the natural gas and the odor agent, then the mixing tank is arranged, the odor adding pipe is connected between the mixing tank and the storage tank, when the content of the odor agent in the natural gas is insufficient, the natural gas is mixed again through the mixing tank, and finally the natural gas is output through the air outlet pipe, so that the natural gas and the odor agent are fully mixed, the whole structure is simple and practical, and the odor adding device can be used at a user end to enable the content of the odor agent of the natural gas to reach the standard; wherein, through setting up the rotameter, can accurately measure the natural gas flow of deodorant.

Further, a pressure reducing valve is arranged on the air inlet pipe. After the structure is adopted, the pressure of the fuel gas can be reduced before the fuel gas enters the storage tank.

Further, a safety valve and a pressure gauge are arranged on the diffusing pipe. After the structure is adopted, the air pressure of the storage tank can be detected in real time, and if necessary, the safety valve is opened to reduce the air pressure of the storage tank.

Further, the air outlet pipe is provided with an air regulating valve and a one-way valve, and the one-way valve, the rotameter and the air regulating valve are sequentially arranged along the air conveying direction. By adopting the structure, the utility model prevents the gas of the gas outlet pipe from flowing backwards, thereby affecting the normal metering work of the rotameter.

Further, the storage tank is arranged in the outer shell, and adsorption cotton is filled between the outer shell and the storage tank. After the structure is adopted, the outer shell has the heat preservation and noise reduction functions through the arrangement of the adsorption cotton.

Further, be provided with first pipeline, second pipeline, blending tank, pressure regulator, manometer in the blending tank, air duct is connected to first pipeline one end, and blending tank is connected to the other end, blending tank is connected to second pipeline one end, and the outlet duct is connected to the other end, odorizing union coupling blending tank. After the structure is adopted, the natural gas and the odor agent are fully mixed, and the pressure of the mixed natural gas is regulated, so that the output natural gas pressure meets the household standard.

Further, the odorizing pipe is provided with a booster pump, a pressure gauge and a switch valve, and the atomizer, the switch valve, the booster pump and the pressure gauge are sequentially arranged along the gas conveying direction.

Further, the second pipeline is provided with a diffusing valve, the second pipeline is provided with a pressure regulator and a pressure gauge, and the pressure regulator, the pressure gauge and the diffusing valve are sequentially arranged along the gas conveying direction. After the structure is adopted, the air pressure in the mixing box can be reduced through the diffusing port when necessary.

Drawings

Fig. 1 is an overall construction diagram of the present utility model.

FIG. 2 is a schematic view showing the internal structure of the mixing tank according to the present utility model.

FIG. 3 is a block diagram of the connecting gas pipeline of the present utility model.

Wherein 1 is an air inlet pipe, 11 is a pressure reducing valve, 2 is a storage tank, 21 is a diffusing pipe, 22 is an outer shell, 23 is absorbent cotton, 3 is an air duct, 31 is a concentration detector, 4 is a mixing box, 41 is a first pipeline, 42 is a second pipeline, 43 is a mixing tank, 44 is a pressure regulator, 45 is a diffusing valve, 5 is an odorizing pipe, 51 is an atomizer, 52 is a booster pump, 6 is an air outlet pipe, 61 is a one-way valve, 62 is a rotameter, 71 is an air regulating valve, 72 is a safety valve, 73 is a pressure gauge, 74 is a switching valve, 75 is a three-way valve, and 8 is a gas pipeline.

Detailed Description

The following description of the embodiments of the present utility model will be made more complete and less obvious to those skilled in the art, based on the embodiments of the present utility model, for a part, but not all of the embodiments of the present utility model, without making any inventive effort.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1 to 2, an odorizing device comprises a storage tank 2, an air inlet pipe 1, an air duct 3, a mixing box 4, an odorizing pipe 5 and an air outlet pipe 6, wherein one end of the air inlet pipe 1 is connected with a gas pipeline 8, the other end of the air inlet pipe extends to the bottom of the storage tank 2, a diffusing pipe is arranged at the top end of the storage tank 2, the diffusing pipe 21 is communicated with the storage tank 2, the air duct 3 is connected to the top side of the storage tank 2, the air duct 2, the air outlet pipe 5 and the mixing box 4 are connected through a three-way valve 75, one end of the odorizing pipe 5 is connected with the bottom side of the storage tank 2, the other end of the odorizing pipe 5 is connected with the mixing box 4, the air outlet pipe 6 is connected with the gas pipeline 8, a concentration detector 31 is arranged on the air duct 3, an atomizer 51 is arranged on the odorizing pipe 5, and a rotor flowmeter 62 is arranged on the air outlet pipe 6.

In the present embodiment, the intake pipe 1 is provided with an air valve 71.

In the present embodiment, the relief valve 72 and the pressure gauge 73 are provided in the relief pipe 21.

In the present embodiment, the storage tank 2 is disposed in the outer case 22, and the absorbent cotton 23 is filled between the outer case 22 and the storage tank 2.

In the present embodiment, the gas outlet pipe 6 is provided with a gas regulating valve 71 and a check valve 61, and the check valve 61, the rotameter 62, and the gas regulating valve 71 are sequentially arranged along the gas conveying direction.

In this embodiment, a first pipe 41, a second pipe 42, a mixing tank 43, a pressure regulator 44, and a pressure gauge 73 are disposed in the mixing tank 4, one end of the first pipe 41 is connected to the air duct 3, the other end is connected to the mixing tank 43, one end of the second pipe 42 is connected to the mixing tank 43, the other end is connected to the air outlet pipe 6, and the odorizing pipe 5 is connected to the mixing tank 43.

In the present embodiment, the odorizing pipe 5 is provided with a booster pump 52, a pressure gauge 73, and an on-off valve 74, and the atomizer 51, the on-off valve 74, the booster pump 52, and the pressure gauge 73 are sequentially arranged in the gas conveying direction; the second pipeline 42 is provided with a diffusing port, a diffusing valve 45 is arranged on the diffusing port, the second pipeline 42 is provided with a pressure regulator 44 and a pressure gauge 73, and the pressure regulator 44, the pressure gauge 73 and the diffusing port are sequentially arranged along the gas conveying direction.

In the present embodiment, the discharge end of the mixing tank 43 is provided with an on-off valve 74.

In this embodiment, the specific odorizing process is: firstly, natural gas enters a storage tank 2 through a gas pipeline 8 and an air inlet pipe 1, the air pressure in the storage tank 2 is measured in real time through a pressure gauge 73 on a diffusing pipe 3, the natural gas enters liquefied deodorant from the bottom of the storage tank 2, so that the natural gas is fully mixed with the deodorant, then the natural gas moves upwards in the storage tank 2, is output through an air duct 3, and then the concentration of the natural gas in the air duct 3 is detected through a concentration detector 31;

if the content of the odor agent meets the requirement, the natural gas is directly conveyed to the gas outlet pipe 6 through the three-way valve, is regulated through the gas regulating valve 71 and then is output to the gas pipeline 8, and then enters the user end; if the content of the deodorant does not meet the requirements, natural gas is conveyed into the mixing tank 4 through a three-way valve, the liquid deodorant in the storage tank 2 is synchronously conveyed into the atomizer 51 through the odorizing pipe 5, the liquefied deodorant is atomized, and then a switch valve 74 on the odorizing pipe 5 is opened and the liquefied deodorant is pressurized and conveyed into the mixing tank 43 through the booster pump 52;

after natural gas enters the first pipeline 41 through the three-way valve 75, the natural gas enters the mixing tank 43, synchronously, the gasified deodorant is input into the mixing tank 43 through the odorizing pipe 5, wherein the deodorant is tetrahydrothiophene and is mixed with the gasified natural gas, after the deodorant and the gasified natural gas are input into a set amount, the three-way valve 75, the on-off valve 74 of the odorizing pipe 5 and the on-off valve 74 of the discharge end of the mixing tank 43 are closed, so that the natural gas and the deodorant are fully mixed in the mixing tank 43, and after the set time is reached;

the on-off valve 74 at the discharge end of the mixing tank 43 is opened. To output the mixed natural gas, then the pressure of the natural gas is regulated to meet the standard through the pressure regulator 44, and then the natural gas is output to the gas pipeline 8 and finally enters the user end.

The embodiment can be used for a pressure regulating box at a user side, the air inlet pipe 1 is connected with a pressure meter interface at the pressure regulating front end, the air outlet pipe 6 is connected with the pressure meter interface after pressure regulation, and natural gas is fully mixed with an odor agent after entering the device of the embodiment from an upstream high-pressure pipeline and then is output to a downstream low-pressure pipeline; meanwhile, the device of the embodiment can also be arranged in a gas valve well, and an air inlet pipe 1 and an air outlet pipe 6 of the device are respectively connected with the dispersing ports at two ends of the valve.

The above-described embodiments are merely preferred embodiments of the present utility model, and are not intended to limit the present utility model in any way. Any person skilled in the art can make many more possible variations and modifications of the technical solution of the present utility model or modify equivalent embodiments without departing from the scope of the technical solution of the present utility model by using the technical content disclosed above. Therefore, all equivalent changes according to the inventive concept are covered by the protection scope of the utility model without departing from the technical scheme of the utility model.

Claims

1. The utility model provides an odorizing device, includes holding vessel (2), intake pipe (1), air duct (3), mixing box (4), odorizing pipe (5), outlet duct (6), its characterized in that: the utility model discloses a gas-liquid separator, including holding vessel (2), gas inlet pipe (1) one end is connected gas pipeline (8), and the other end extends to holding vessel (2) bottom, holding vessel (2) top is provided with the diffusion tube, diffusion tube (21) intercommunication holding vessel (2), holding vessel (2) top side is connected gas duct (3), be connected through three-way valve (75) between gas duct (3), outlet duct (6), mixing box (4), the bottom side of holding vessel (2) is connected to odorizing pipe (5) one end, mixing box (4) are connected to the other end, the end connection of giving vent to anger of mixing box (4) outlet duct (6), outlet duct (6) end connection gas pipeline (8), wherein, be provided with concentration detector (31) on gas duct (3), be provided with atomizer (51) on odorizing pipe (5), be provided with rotor flowmeter (62) on outlet duct (6).

2. An odorizing device as defined in claim 1, wherein: an air regulating valve (71) is arranged on the air inlet pipe (1).

3. An odorizing device as defined in claim 2, wherein: the relief pipe (21) is provided with a safety valve (72) and a pressure gauge (73).

4. A odorizing device as defined in claim 3, wherein: the air outlet pipe (6) is provided with an air regulating valve (71) and a one-way valve (61), and the one-way valve (61), the rotameter (62) and the air regulating valve (71) are sequentially arranged along the air conveying direction.

5. An odorizing device as defined in claim 4, wherein: still include shell body (22), set up in shell body (22) holding vessel (2), it has absorbent cotton (23) to fill between shell body (22) and holding vessel (2).

6. An odorizing device as defined in claim 5, wherein: be provided with first pipeline (41), second pipeline (42), blending tank (43), pressure regulator (44), manometer (73) in blending tank (4), air duct (3) are connected to first pipeline (41) one end, and blending tank (43) are connected to the other end, blending tank (43) are connected to second pipeline (42) one end, and outlet duct (6) are connected to the other end, blending tank (43) are connected to odorizing pipe (5).

7. An odorizing device as defined in claim 6, wherein: the odorizing pipe (5) is provided with a booster pump (52), a pressure gauge (73) and a switch valve (74), and the atomizer (51), the switch valve (74), the booster pump (52) and the pressure gauge (73) are sequentially arranged along the gas conveying direction.

8. An odorizing device as defined in claim 7, wherein: the second pipeline (42) is gone up and is diffused mouthful, be provided with on the mouth of diffusing and diffuse valve (45), be provided with voltage regulator (44), manometer (73) on second pipeline (42), voltage regulator (44), manometer (73), diffuse mouthful and set gradually along gas conveying direction.