Novel improved bleeder device

Abstract

The utility model relates to a novel improved bleeder device which comprises a bleeder body, a filter is arranged at the top of the bleeder body, a flowmeter is arranged at the top of the filter, a flame arrester is arranged at the top of the flowmeter, a silencer is arranged at the top of the flame arrester, and a convenient-to-disassemble head is arranged at the bottom of the flowmeter. And the filter is connected with the flow meter through a convenient-to-disassemble head. According to the novel improved bleeder device, the flame arrester is arranged, so that the flowing speed of natural gas in the bleeding process is effectively reduced, and the risk that the natural gas is ignited due to static electricity generated by the high flowing speed is avoided; the activated carbon is placed in the filter, so that the concentration of harmful substances such as tetrahydrothiophene in the natural gas can be obviously reduced, the pollution to the environment is effectively reduced, and the risk of occupational hazards caused by the fact that operators inhale the harmful substances is reduced; meanwhile, due to the design of the convenient-to-disassemble head, the replacement of the activated carbon becomes simple, convenient and rapid, and the filtering effect is further guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of venting pipe technology, specifically a novel improved venting pipe device. Background Technology

[0002] In urban gas supply, when carrying out emergency repairs, pipeline maintenance, or replacement operations, it is necessary to vent the natural gas in the gas pipeline. This is where venting pipes are used. They can safely release the gas in the pipeline into the atmosphere, preventing the gas from accumulating in the pipeline and causing safety hazards. The working principle of the venting pipe is to achieve heat dissipation and gas emission through heat conduction and convection heat transfer by its specific structure and material design. It is usually made of materials with good thermal conductivity, such as aluminum alloys and copper, to ensure that heat can be quickly conducted to the surface of the venting pipe, and the flow of fluid accelerates the dissipation of heat.

[0003] However, the following risks may arise during the venting process: 1. The vented natural gas may ignite or cause a fire due to static electricity or other ignition sources; 2. Tetrahydrothiophene in the natural gas may cause environmental pollution to a certain extent, or be inhaled by venting personnel, causing occupational hazards; 3. Excessive noise during venting may exceed the "Emission Standard for Environmental Noise at the Boundary of Industrial Enterprises," causing noise pollution, increasing the risk of occupational diseases for workers, and potentially causing panic and false alarms among nearby residents; 4. The calculation of the amount of vented natural gas may be inaccurate. Therefore, a new improved venting pipe device is proposed. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a novel improved venting pipe device that has advantages such as fire prevention, filtration, noise reduction, and flow monitoring, thus solving the aforementioned problems.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a novel improved venting pipe device, comprising a venting pipe body, a filter disposed at the top of the venting pipe body, a flow meter disposed at the top of the filter, a flame arrester disposed at the top of the flow meter, a silencer disposed at the top of the flame arrester, and a detachable head disposed at the bottom of the flow meter, wherein the filter and the flow meter are connected via the detachable head.

[0006] Furthermore, the upper end of the outer surface of the filter is provided with an external thread, and the inner wall of the detachable head is provided with an internal thread that matches the external thread.

[0007] Furthermore, activated carbon is placed inside the filter.

[0008] Furthermore, the filter and the removable head form a sealed space for placing activated carbon.

[0009] Furthermore, a threaded connector is fixedly installed at the bottom of the vent pipe body.

[0010] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0011] This new and improved venting pipe device effectively reduces the natural gas flow rate during venting by incorporating a flame arrestor, thus avoiding the risk of ignition due to static electricity generated by high flow rates. The activated carbon placed inside the filter significantly reduces the concentration of harmful substances such as tetrahydrothiophene in the natural gas, effectively reducing environmental pollution and lowering the risk of occupational hazards to workers from inhaling harmful substances. Simultaneously, the easy-to-replace design makes activated carbon replacement simple and quick, further ensuring filtration efficiency. The silencer effectively controls the noise generated during venting, reducing sound intensity, avoiding noise pollution, and lowering the risk of occupational noise hazards to workers. The introduction of a flow meter allows the device to accurately measure the natural gas flow rate during venting, providing a reliable basis for compensation in emergency response operations and improving the accuracy of supply and demand difference calculations. Furthermore, the flow rate information monitored by the flow meter allows operators to adjust the valve opening in a timely manner, controlling the venting flow rate within a safe range and ensuring the safety of the venting operation. Attached Figure Description

[0012] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0013] Figure 2 This is a schematic diagram of the exploded three-dimensional structure of this utility model;

[0014] Figure 3 This is a partial three-dimensional structural diagram of the present utility model;

[0015] Figure 4 This is a three-dimensional structural diagram of the disassembly head of this utility model.

[0016] In the diagram: 1. Vent pipe body; 2. Filter; 201. External thread; 202. Activated carbon; 3. Flow meter; 4. Flame arrester; 5. Easy-to-remove head; 501. Internal thread; 6. Threaded connector; 7. Silencer. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Please see Figure 1-4 The present embodiment of the novel improved venting pipe device includes a venting pipe body 1, a filter 2 is provided on the top of the venting pipe body 1, a flow meter 3 is provided on the top of the filter 2, a flame arrester 4 is provided on the top of the flow meter 3, a silencer 7 is provided on the top of the flame arrester 4, and a detachable head 5 is provided at the bottom of the flow meter 3. The filter 2 and the flow meter 3 are connected by the detachable head 5.

[0019] Since the released natural gas may ignite or cause a fire due to static electricity or other ignition sources, the flame arrester 4 effectively reduces the gas flow rate, preventing secondary disasters or backfires caused by static electricity generated due to high flow rates. The flame arrester 4 is equipped with flame-arresting elements made of materials such as metal mesh and corrugated plates. When high-temperature gas passes through the flame-arresting elements, the flame-arresting elements have a large surface area, and the high-temperature gas comes into full contact with these flame-arresting elements. Heat is quickly transferred to the flame-arresting elements. Due to the good thermal conductivity of the flame-arresting elements, they can quickly absorb heat, causing the temperature to drop rapidly. When the flame temperature drops below the ignition point of the gas, combustion can no longer continue, thus preventing the spread of the flame.

[0020] Since tetrahydrothiophene in natural gas can cause environmental pollution to a certain extent, or pose occupational hazards if inhaled by personnel, the concentration of tetrahydrothiophene can be reduced by setting up filter 2 and adding activated carbon 202 to filter 2. This effectively reduces the environmental pollution caused by hazardous chemicals and the occupational hazards caused by inhalation by workers. In order to facilitate the periodic replacement of activated carbon 202 in filter 2, a disassembly head 5 is provided at the connection between filter 2 and flow meter 3. The two are connected by the internal thread 501 on the inner wall of the disassembly head 5 and the external thread 201 on the outer surface of filter 2. When disassembling, the top of filter 2 can be opened by operating the disassembly head 5, exposing the activated carbon 202, which facilitates the replacement of activated carbon 202.

[0021] Because excessive noise during venting may cause noise pollution, increase the risk of occupational diseases for workers, and potentially trigger panic and false alarms among nearby residents, a silencer 7 is installed to effectively avoid noise pollution and occupational hazards caused by noise. The silencer 7 is filled with sound-absorbing materials such as glass wool, rock wool, or foam plastic. These materials have a large number of tiny pores. When the noise generated by the venting enters the silencer 7, the sound waves cause the air molecules inside the sound-absorbing material to vibrate. Due to the porous structure of the sound-absorbing material, the sound waves will be continuously reflected, refracted, and scattered as they propagate within it. In this process, the energy of the sound waves will be gradually absorbed by the sound-absorbing material and converted into heat energy, thereby reducing the sound intensity and achieving the effect of noise reduction.

[0022] Because the calculation of the released natural gas volume may be inaccurate, flow meter 3 can be set up to accurately measure the released flow rate. This can serve as a basis for compensation in emergency rescue operations because it can accurately measure the released volume during emergency rescue or live gas operations. Compared with the previous estimation, it can improve the accuracy of supply and demand difference calculation. At the same time, the flow meter 3 can calculate the flow velocity, so the released flow velocity can be controlled within 7m / s by valves to ensure safety. The release flow meter 3 has a pair of meshing oval gears inside. When natural gas enters the flow meter 3, under the action of the pressure difference between the inlet and outlet, it drives the oval gears to rotate. Each rotation of the oval gear will discharge a fixed volume of natural gas. This volume is determined by the design parameters of the flow meter 3. The flow rate of natural gas can be calculated by detecting the number of rotations of the gear by a sensor installed on the gear shaft.

[0023] A threaded connector 6 is provided at the bottom of the vent pipe body 1, which facilitates the disassembly and movement of the device. It is installed through the threaded connector 6 during operation and disassembled after the operation is completed.

[0024] When implementing this procedure, please follow these steps:

[0025] 1) First, before carrying out the gas venting operation, install the venting pipe body 1 at the pipeline interface where the natural gas needs to be vented through the threaded connector 6 at the bottom of the venting pipe body 1.

[0026] 2) Next, check the filling status of activated carbon 202 inside filter 2. If activated carbon 202 needs to be replaced, operate the disassembly head 5. By using the cooperation between the internal thread 501 on the inner wall of the disassembly head 5 and the external thread 201 on the upper surface of the outer surface of filter 2, the disassembly head 5 can be rotated open. At this time, the top of filter 2 is opened, and the internal activated carbon 202 can be replaced. After the replacement is completed, the disassembly head 5 is rotated and tightened.

[0027] 3) Restart the venting operation. Natural gas is released sequentially through the venting pipe body 1, filter 2, flow meter 3, flame arrester 4, and silencer 7. During the venting process, the activated carbon 202 in filter 2 adsorbs and filters tetrahydrothiophene in the natural gas, reducing its concentration and minimizing environmental pollution and occupational hazards to workers. Flow meter 3 accurately measures the venting flow rate and calculates the flow velocity. Workers control the venting flow rate within 7 m / s using valves to ensure safe venting. Flame arrester 4 lowers the temperature below the gas ignition point, preventing flame propagation and avoiding combustion or fire caused by static electricity or other ignition sources. Silencer 7 absorbs and converts the noise generated during venting, reducing sound intensity and preventing noise pollution and occupational hazards to workers.

[0028] 4) Finally, after the venting operation is completed, the venting pipe is removed from the pipe interface by rotating the threaded connector 6 at the bottom of the venting pipe body 1, so that it can be stored, maintained or transferred to other work sites for use.

[0029] In summary, this novel improved venting pipe device, by incorporating a flame arrester 4, effectively reduces the flow rate of natural gas during venting, thereby avoiding the risk of ignition due to static electricity generated by high flow rates. The activated carbon 202 placed inside the filter 2 significantly reduces the concentration of harmful substances such as tetrahydrothiophene in the natural gas, effectively reducing environmental pollution and lowering the risk of occupational hazards to workers from inhaling harmful substances. Simultaneously, the easy-to-replace head 5 design makes the replacement of activated carbon 202 simple and quick, further ensuring the filtration effect. The silencer 7 effectively controls the noise generated during venting, reducing sound intensity, avoiding noise pollution, and lowering the risk of occupational noise hazards to workers. The introduction of the flow meter 3 allows the device to accurately measure the natural gas flow rate during venting, providing a reliable basis for compensation in emergency response work and improving the accuracy of supply and demand difference calculations. Furthermore, the flow rate information monitored by the flow meter 3 allows workers to adjust the valve opening in a timely manner, controlling the venting flow rate within a safe range and ensuring the safety of the venting operation.

[0030] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A novel improved venting pipe device, comprising a venting pipe body (1), characterized in that: A filter (2) is provided on the top of the vent pipe body (1), a flow meter (3) is provided on the top of the filter (2), a flame arrester (4) is provided on the top of the flow meter (3), a silencer (7) is provided on the top of the flame arrester (4), and a detachable head (5) is provided at the bottom of the flow meter (3). The filter (2) and the flow meter (3) are connected by the detachable head (5).

2. The novel improved venting pipe device according to claim 1, characterized in that: The filter (2) has an external thread (201) on its upper outer surface, and the detachable head (5) has an internal thread (501) that matches the external thread (201) on its inner wall.

3. The novel improved venting pipe device according to claim 1, characterized in that: Activated carbon (202) is placed inside the filter (2).

4. A novel improved venting pipe device according to claim 3, characterized in that: The filter (2) and the removable head (5) form a sealed space for placing activated carbon (202).

5. A novel improved venting pipe device according to claim 1, characterized in that: A threaded connector (6) is fixedly installed at the bottom of the vent pipe body (1).

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