Filter for purifying gas

Abstract

The utility model discloses a filter for purifying gas, which comprises a barrel, a gas inlet pipe arranged on one side of the barrel, and a filter for purifying natural gas with impurities arranged in the barrel. The filter comprises a filter element and a filter screen, the filter element is arranged in the barrel and used for purifying natural gas, the filter screen is arranged on the periphery of the filter element and used for filtering impurities, and a gas outlet pipe which is communicated with the filter and used for enabling purified gas to flow out is arranged on the other side of the barrel; and a blow-off pipe for discharging impurities is arranged at the bottom of the barrel. The natural gas filter has the advantages that natural gas with impurities flows in from one side of the barrel and is purified through the filter element in the filter, the purified gas flows out from the bottom of the filter element and the gas outlet pipe, the impurities are filtered by the filter screen, and the natural gas is purified. And the flange cover is convenient to disassemble, so that the cylinder body or the filter can be mounted, overhauled, cleaned and replaced, and the operation is convenient.

Description

Technical Field

[0001] This utility model relates to the field of natural gas technology, and in particular to a filter for purifying gas. Background Technology

[0002] Natural gas is mainly composed of methane, which is poorly soluble in water. It is a high-quality energy source that is colorless, odorless, non-toxic, has a high calorific value, is stable in combustion, and is clean and environmentally friendly. However, during the extraction process, natural gas often contains solid particulate impurities and trace amounts of liquid. Natural gas containing impurities can cause serious damage to instruments and meters such as compressors, flow meters, and burners during transmission, and can also cause blockages and wear on pipelines. Therefore, it is necessary to filter and purify natural gas. However, the current filtration and purification methods are relatively simple, and the filter elements inside the filters are inconvenient to remove and clean.

[0003] Therefore, through beneficial exploration and research, the applicant has found a solution to the above problems, and the technical solution to be introduced below is the result of this research. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a filter for purifying gas, addressing the aforementioned shortcomings and defects of the prior art.

[0005] The technical problem to be solved by this utility model can be achieved by the following technical solution:

[0006] A filter for purifying gas includes a cylindrical body, characterized in that a gas inlet pipe is provided on one side of the cylindrical body for allowing natural gas containing impurities to flow in, a filter for purifying the natural gas containing impurities is provided inside the cylindrical body, the filter includes a filter element disposed inside the cylindrical body for purifying the natural gas and a filter screen disposed around the filter element for filtering impurities, a gas outlet pipe is provided on the other side of the cylindrical body in communication with the filter for allowing the purified gas to flow out, and a drain pipe is provided at the bottom of the cylindrical body for discharging impurities.

[0007] In a preferred embodiment of the present invention, a flange cover is provided on the top of the cylinder, and the flange cover is detachably connected to the flange provided on the top of the cylinder by a bolt assembly.

[0008] In a preferred embodiment of this utility model, the upper surface of the flange cover is provided with a hook for easy use with a lifting device.

[0009] In a preferred embodiment of the present invention, the lifting device includes a hook disposed on the outer wall of the cylinder and for cooperating with the hook, an elastic rod disposed on the outer wall of the cylinder and threadedly connected to the hook, and a fixed seat fixed to the outer wall of the cylinder and connected to the elastic rod.

[0010] In a preferred embodiment of this utility model, a drain pipe is provided on the side of the cylinder, one end of the drain pipe is threadedly connected to the cylinder, and the other end of the drain pipe is provided with a drain interface for connecting with external equipment.

[0011] In a preferred embodiment of the present invention, one end of the gas inlet pipe is threadedly connected to the cylinder body, and the other end of the gas inlet pipe is provided with a gas inlet interface.

[0012] In a preferred embodiment of this utility model, one end of the gas outlet pipe is threadedly connected to the cylinder body, and the other end of the gas outlet pipe is provided with a gas outlet interface.

[0013] In a preferred embodiment of this utility model, the gas inlet pipe and the gas outlet pipe are respectively provided with a plurality of internally threaded connectors.

[0014] In a preferred embodiment of this utility model, one end of the sewage pipe is threadedly connected to the cylinder body, and the other end of the sewage pipe is provided with a sewage discharge port.

[0015] In a preferred embodiment of the present invention, a bottom plate is provided at the bottom of the cylinder, and a base for supporting the cylinder is provided on the bottom plate.

[0016] Due to the adoption of the above technical solution, the beneficial effects of this utility model are as follows: Natural gas with impurities flows in from one side of the cylinder and is purified by passing through the internal filter element of the filter. The purified gas flows out from the bottom of the filter element and the gas outlet pipe, while the impurities are filtered by the filter screen. Moreover, the flange cover of this utility model is easy to disassemble for installation, maintenance, cleaning and replacement of the cylinder or filter, which is convenient for operation. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is the front view of this utility model.

[0019] Figure 2 This is a top view of the present invention.

[0020] Figure 3 This is a top view of the present invention from another angle. Detailed Implementation

[0021] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the following description, in conjunction with specific illustrations, further elaborates on this utility model.

[0022] See Figures 1 to 3 The filter shown includes a cylinder 10. A gas inlet pipe 20 is provided on one side of the cylinder 10 for allowing natural gas containing impurities to flow in. A filter 30 for purifying the natural gas containing impurities is provided inside the cylinder 10. The filter 30 includes a filter element 31 disposed inside the cylinder 10 for purifying natural gas and a filter screen 32 disposed around the filter element 31 for filtering impurities. A gas outlet pipe 40 is provided on the other side of the cylinder 10, which communicates with the filter and is used to allow the purified gas to flow out. A drain pipe 50 is provided at the bottom of the cylinder 10 for discharging impurities.

[0023] A flange cover 11 is provided on the top of the cylinder 10. The flange cover 11 is detachably connected to the flange 10a provided on the top of the cylinder 10 via a threaded assembly 1. In this embodiment, the threaded assembly 1 includes bolts, nuts, washers, and flat washers.

[0024] The upper surface of the flange cover 11 is provided with a hook 12 for easy engagement with the lifting device 60. In this embodiment, the lifting device 60 includes a hook 61 disposed on the outer wall of the cylinder 10 and used to engage with the hook 12, an elastic rod 62 disposed on the outer wall of the cylinder 10 and threadedly connected to the hook 62, and a fixed seat 63 fixed to the outer wall of the cylinder 10 and connected to the elastic rod 62. When it is necessary to clean, replace, or repair the filter element 31 inside the cylinder 10, the flange cover 11 on the hook 12 can be manually lifted to operate on the inside of the cylinder 10 and the filter element 31.

[0025] A drain pipe 70 is provided on the side of the cylinder 10. One end of the drain pipe 70 is threaded to the cylinder 10, and the other end of the drain pipe 70 is provided with a drain interface 71 for connecting to external equipment. The main function of the drain pipe 70 is to completely drain the liquid or gas in the pipe before performing pipe maintenance, replacement or inspection, so as to ensure work safety and work quality.

[0026] One end of the gas inlet pipe 20 is threaded to the cylinder 10, and the other end of the gas inlet pipe 20 is provided with a gas inlet port 21. Similarly, one end of the gas outlet pipe 40 is threaded to the cylinder 10, and the other end of the gas outlet pipe 40 is provided with a gas outlet port 41.

[0027] For connection with external components, several internally threaded connectors 2 are provided on the gas inlet pipe 20 and the gas outlet pipe 40 respectively. Every two internally threaded connectors are distributed on the upper surface of the gas inlet pipe 20 and the gas outlet pipe 40.

[0028] One end of the drain pipe 50 is threaded to the cylinder 10, and the other end of the drain pipe 50 is provided with a drain port 51.

[0029] A base plate 13 is provided at the bottom of the cylinder 10, and a base 14 for supporting the cylinder 10 is provided on the base plate 13.

[0030] When this utility model is in use, natural gas containing impurities flows in from the other end of the gas inlet pipe 20 and then enters the interior of the cylinder 10. It is purified by passing through the internal filter element 31 of the filter 30. The purified gas flows out from the bottom of the filter element 31 and the gas outlet pipe 40. The impurities are filtered by the filter screen 32. When it is necessary to clean, replace or repair the filter element 31 or the interior of the cylinder 10, the interior of the cylinder 10 and the filter element 31 can be operated by manually lifting the hook 62 to drive the flange cover 11 on the hook 12.

[0031] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A filter for purifying gas, comprising a cylindrical body, characterized in that, One side of the cylinder is provided with a gas inlet pipe for supplying natural gas containing impurities. Inside the cylinder is a filter for purifying the natural gas containing impurities. The filter includes a filter element disposed inside the cylinder for purifying the natural gas and a filter screen disposed around the filter element for filtering impurities. The other side of the cylinder is provided with a gas outlet pipe that communicates with the filter and is used to discharge the purified gas. The bottom of the cylinder is provided with a drain pipe for discharging impurities.

2. A filter for purifying gas according to claim 1, characterized in that, The top of the cylinder is provided with a flange cover, which is detachably connected to the flange provided on the top of the cylinder by a bolt assembly.

3. A filter for purifying gas according to claim 2, characterized in that, The upper surface of the flange cover is provided with a hook for easy use with lifting devices.

4. A filter for purifying gas according to claim 3, characterized in that, The lifting device includes a hook disposed on the outer wall of the cylinder and used to cooperate with the hook, an elastic rod disposed on the outer wall of the cylinder and threadedly connected to the hook, and a fixed seat fixed on the outer wall of the cylinder and connected to the elastic rod.

5. A filter for purifying gas according to claim 1, characterized in that, A drain pipe is provided on the side of the cylinder. One end of the drain pipe is threaded to the cylinder, and the other end of the drain pipe is provided with a drain interface for connecting to external equipment.

6. A filter for purifying gas according to claim 1, characterized in that, One end of the gas inlet pipe is threadedly connected to the cylinder body, and the other end of the gas inlet pipe is provided with a gas inlet port.

7. A filter for purifying gas according to claim 1, characterized in that, One end of the gas outlet pipe is threadedly connected to the cylinder body, and the other end of the gas outlet pipe is provided with a gas outlet port.

8. A filter for purifying gas according to claim 1, characterized in that, The gas inlet pipe and the gas outlet pipe are each provided with several internally threaded connectors.

9. A filter for purifying gas according to claim 1, characterized in that, One end of the drain pipe is threaded to the cylinder body, and the other end of the drain pipe is provided with a drain port.

10. A filter for purifying gas according to claim 1, characterized in that, The bottom of the cylinder is provided with a base plate, and a base for supporting the cylinder is provided on the base plate.

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