Multi-stage filtering device of gas filter
By introducing a centralized pipe and return gas mechanism into the gas filter, drainage can be achieved without shutting down the pipeline, and heating wires are used to prevent water vapor from freezing. This solves the problems of difficult water drainage and ice blockage in gas filters, improving ease of use and safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-14
- Publication Date
- 2026-03-31
AI Technical Summary
During use, existing gas filters tend to accumulate moisture at the bottom, requiring the pipes to be shut off for venting, which is difficult to operate and can easily cause gas leaks.
A multi-stage gas filter device was designed. By installing a central pipe and a return gas mechanism at the bottom of the drain pipe, the gas pipeline does not need to be shut off when the water is discharged. Heating wires are installed around the input pipe to prevent water vapor from freezing.
It reduces the difficulty of draining accumulated water, reduces gas emissions, increases gas temperature, avoids ice blockage, and is convenient to use.
Smart Images
Figure CN224056952U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to gas filter multistage filtration device belongs to gas filter technical field, especially relate to gas filter multistage filtration device. BACKGROUND
[0002] Gas filter is the important device on the medium pipeline, is widely used in metallurgy, chemical industry, petroleum, domestic gas field etc. It is usually installed in the import end of pressure reducing valve and other equipment, is used to eliminate the impurity in medium, to protect the valve and equipment, reduces the maintenance cost. Gas filter is mainly composed of filter core, when fluid enters, the impurity is blocked by filter core, and clean gas is discharged. Its structure is simple, and maintenance is convenient, and only needs to clean filter core regularly,
[0003] But gas filter in the process of using, water vapor in gas is easy to accumulate in the bottom of filter, therefore needs to close pipeline, and the accumulated water is discharged, and the operation difficulty is big, and gas leakage is easy to cause, for this gas filter multistage filtration device is proposed. UTILITY MODEL CONTENTS
[0004] The utility model discloses a gas filter multistage filtration device, when the accumulated water in the tank is discharged, does not need to close gas pipeline, reduces the difficulty of drainage, reduces the discharge of gas, and is convenient to use, can heat the input pipe by starting the heating wire, and then improve the temperature when gas enters the tank, avoid the phenomenon of ice blocking caused by water vapor icing, solve the existing technical problem.
[0005] To solve the above technical problem, the utility model is realized through the following technical schemes:
[0006] Gas filter multistage filtration device, including: tank, the top of tank is fixed with top cover through bolt, the circumference of tank is fixedly connected with the input pipe and output pipe that communicate, and the input pipe and output pipe are oppositely arranged, and the input pipe extends to the inside of tank;
[0007] The bottom of tank is fixedly connected with drain pipe, the bottom of drain pipe is fixedly installed with first control valve, the bottom of first control valve is fixedly installed with the collecting pipe for collecting water, the bottom of collecting pipe is fixedly installed with discharge pipe, and the bottom of discharge pipe is installed with second control valve, through the setting of installing collecting pipe in the bottom of drain pipe, when the accumulated water in tank is discharged, does not need to close gas pipeline, reduces the difficulty of drainage, reduces the discharge of gas, and is convenient to use;
[0008] Gas return mechanism, the gas return mechanism is arranged in the collecting pipe and is used for guiding gas back to the tank;
[0009] Filtering mechanism, the filtering mechanism is arranged in the tank and is used for filtering gas.
[0010] As a further scheme of the utility model, the filter mechanism includes a support ring fixedly connected at the top of the input pipe, a support frame fixedly connected at the top of the support ring, a screw rod fixedly connected at the top of the support frame, a compression disc sleeved around the screw rod, a butterfly nut threadedly connected at the top of the screw rod, the butterfly nut being located above the compression disc, a filter cartridge arranged at the top of the support ring, and the compression disc being located at the top of the filter cartridge for pressing and fixing the filter cartridge.
[0011] As a further scheme of the utility model, the gas return mechanism includes a piston and an intermediate pipe, the piston being slidingly connected in the centralizing pipe, one end of the piston being fixedly connected with a push rod, the push rod being slidingly penetrated through the centralizing pipe, the intermediate pipe being fixed at the top of the centralizing pipe, a one-way valve being fixedly installed at the top of the intermediate pipe, a communication pipe being fixedly installed at the top of the one-way valve, and the communication pipe being fixedly communicated with the bottom of the tank.
[0012] As a further scheme of the utility model, a U-shaped guide frame is fixedly connected to the inner wall at the top of the intermediate pipe, a plug is slidingly connected between the two sides of the guide frame, and the plug is hollow and can float on water.
[0013] As a further scheme of the utility model, a differential pressure gauge is fixedly installed between the input pipe and the output pipe.
[0014] As a further scheme of the utility model, a temperature sensor is fixedly installed at the top of the top cover, and a probe of the temperature sensor is located at the bottom of the top cover.
[0015] As a further scheme of the utility model, a protective sleeve is fixedly connected around the input pipe, a heating wire is fixedly connected in the protective sleeve, the input pipe can be heated by starting the heating wire under low-temperature conditions, the temperature of the gas entering the tank is thus increased, and the phenomenon of ice blocking caused by water vapor icing is avoided.
[0016] The utility model discloses, when using, the input pipe and output pipe on the jar body are connected with gas pipeline, and gas enters the inside of filter cartridge through the input pipe, then enters the cavity of jar body after the filtration of filter cartridge, and is discharged through the output pipe, when needing to replace or clean filter cartridge, close gas pipeline, remove the top cover, then remove the butterfly nut and can take out filter cartridge to replace, after replacement, lock the butterfly nut and fix the top cover, then check whether leakage can, when the temperature in the jar body is too low, start heating wire and heat the input pipe, and then improve the temperature when gas enters, avoid the phenomenon of ice blockage that water vapor freezes, and the water vapor produced in the jar body or the water produced after ice melts falls to the bottom of the jar body, when needing to drain, open the first control valve, and the water enters the concentration pipe, and part of gas also enters the concentration pipe with the opening of the first control valve, after drainage, close the first control valve, then move the piston through the push rod, and the piston makes gas in the concentration pipe reflow into the jar body through the intermediate pipe, one-way valve and communication pipe, when the water enters the intermediate pipe, the plug moves up along with the liquid level, and then closes the pipeline, at this time, the piston can not move, then open the discharge pipe and can discharge the water, after discharge, close the discharge pipe, avoid closing gas pipeline when draining, reduce the difficulty of drainage, convenient to use.
[0017] The embodiment of the utility model has the following beneficial effects:
[0018] In the utility model, through install the setting of concentration pipe at the bottom of the drain pipe, when discharging the water in the jar body, do not need to close the gas pipeline, reduce the difficulty of drainage, reduce the discharge of gas, convenient to use, install the heating wire on the circumference of the input pipe, when the temperature is low, can heat the input pipe through starting heating wire, and then improve the temperature when gas enters the jar body, avoid the phenomenon of ice blockage that water vapor freezes.
[0019] In the utility model, when discharging the water in the jar body, do not need to close the gas pipeline, reduce the difficulty of drainage, reduce the discharge of gas, convenient to use, can heat the input pipe through starting heating wire, and then improve the temperature when gas enters the jar body, avoid the phenomenon of ice blockage that water vapor freezes.
[0020] In the utility model, when discharging the water in the jar body, do not need to close the gas pipeline, reduce the difficulty of drainage, reduce the discharge of gas, convenient to use, can heat the input pipe through starting heating wire, and then improve the temperature when gas enters the jar body, avoid the phenomenon of ice blockage that water vapor freezes.
[0021] Of course, implementing any product of the utility model does not necessarily need to achieve all the advantages mentioned above at the same time. DRAWINGS
[0022] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description, obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.
[0023] Fig. 1 It is a three-dimensional structure schematic view of an embodiment of the present application.
[0024] Fig. 2 It is a sectional structure schematic view of an embodiment of the present application.
[0025] Fig. 3 It is a partial sectional structure schematic view of an embodiment of the present application.
[0026] In the figure: 1, tank body; 2, input pipe; 3, output pipe; 4, top cover; 5, differential pressure gauge; 6, temperature sensor; 7, support ring; 8, support frame; 9, screw rod; 10, filter cartridge; 11, pressure plate; 12, butterfly nut; 13, drain pipe; 14, collecting pipe; 15, first control valve; 16, piston; 17, push rod; 18, discharge pipe; 19, intermediate pipe; 20, communication pipe; 21, one-way valve; 22, guide frame; 23, plug. DETAILED DESCRIPTION
[0027] The technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application, obviously, the described embodiments are only some embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.
[0028] In the description of the present application, it is understood that the terms "opening", "upper", "middle", "length", "inner" and the like indicate the orientation or positional relationship, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the indicated components or elements must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation to the present application.
[0029] In order to keep the following description of the embodiments of the present application clear and simple, the present application omits the detailed description of known functions and known components.
[0030] Embodiment one
[0031] Please refer to Figs. 1-3As shown, this embodiment provides a multi-stage gas filter device, including: a tank 1, a top cover 4 fixed to the top of the tank 1 by bolts, a sealing gasket between the top cover 4 and the top of the tank 1, an inlet pipe 2 and an outlet pipe 3 fixedly connected to the circumference of the tank 1, the inlet pipe 2 and the outlet pipe 3 being arranged opposite to each other, and flanges welded to the ends of the inlet pipe 2 and the outlet pipe 3 for connecting to gas pipelines, the inlet pipe 2 extending into the interior of the tank 1;
[0032] A drain pipe 13 is fixedly connected to the bottom of the tank 1. A first control valve 15 is fixedly installed at the bottom of the drain pipe 13. A central pipe 14 for collecting water is fixedly installed at the bottom of the first control valve 15. A discharge pipe 18 is fixedly installed at the bottom of the central pipe 14. A second control valve is installed at the bottom of the discharge pipe 18. The central pipe 14 is installed at the bottom of the drain pipe 13, and the drainage is carried out in two stages. This means that when draining the water in the tank 1, it is not necessary to shut off the gas pipeline, which reduces the difficulty of drainage.
[0033] A gas return mechanism is installed in the central pipe 14 to guide the gas back to the tank 1.
[0034] The filter mechanism is installed inside the tank 1 to filter the gas.
[0035] Example 2
[0036] Improvements based on Example 1: See Appendix Figs. 1-3 The filtration mechanism includes a support ring 7 fixedly connected to the top of the input pipe 2. A support frame 8 is fixedly connected to the top of the support ring 7. A screw 9 is fixedly connected to the top of the support frame 8. A pressure plate 11 is sleeved around the circumference of the screw 9. A butterfly nut 12 is threadedly connected to the top of the screw 9. The butterfly nut 12 is located above the pressure plate 11. A filter cartridge 10 is set on the top of the support ring 7. The filter cartridge 10 is multi-layered. The inner and outer layers are stainless steel rings with mesh. The inside is filled with a filter screen made of sintered metal fiber and an activated carbon filter screen to form multi-stage filtration. The pressure plate 11 is located on the top of the filter cartridge 10 to press and fix the filter cartridge 10. The filter cartridge 10 can be taken out and replaced by removing the top cover 4 and then removing the butterfly nut 12 for convenient use.
[0037] In this utility model, the gas return mechanism includes a piston 16 and an intermediate pipe 19. The piston 16 is slidably connected inside the central pipe 14. One end of the piston 16 is fixedly connected to a push rod 17, which slides through the central pipe 14. The intermediate pipe 19 is fixed to the top of the central pipe 14. A one-way valve 21 is fixedly installed on the top of the intermediate pipe 19. A connecting pipe 20 is fixedly installed on the top of the one-way valve 21. The connecting pipe 20 is fixedly connected to the bottom of the tank 1. The piston 16 is pushed to move by the push rod 17, and the piston 16 returns the gas in the central pipe 14 back to the tank 1 through the intermediate pipe 19, the one-way valve 21, and the connecting pipe 20.
[0038] Particularly, the top inner wall of the intermediate pipe 19 is fixedly connected with a U-shaped guide frame 22, and a plug 23 is slidingly connected between the two sides of the guide frame 22, the plug 23 is hollow and can float in water, when water enters the intermediate pipe 19, the plug 23 moves upward with the liquid level, thereby closing the pipeline to prevent the water level from moving upward.
[0039] It should be noted that the differential pressure gauge 5 is fixedly installed between the input pipe 2 and the output pipe 3, which can measure and display the pressure difference in the gas pipeline in real time, thereby judging the working state of the gas system.
[0040] In the utility model, the top of the top cover 4 is fixedly installed with a temperature sensor 6, the probe of the temperature sensor 6 is located at the bottom of the top cover 4, and the temperature sensor 6 is convenient for monitoring the temperature in the tank body 1.
[0041] Particularly, the circumference of the input pipe 2 is fixedly connected with a protective sleeve, and a heating wire is fixedly connected in the protective sleeve, the heating wire heats the input pipe 2, thereby improving the temperature when the gas enters, avoiding the phenomenon of ice blocking caused by water vapor icing.
[0042] It should be noted that in the description of the present application, the description such as "first", "second" and the like is only used to distinguish the features, and does not have actual order or direction meaning, and the present application is not limited thereto.
[0043] In the description of the present application, the description of the reference terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0044] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details, and the utility model is limited to the specific embodiments described. Obviously, according to the content of the present application, many modifications and changes can be made. The embodiments are selected and described in the present application in order to better explain the principles and practical application of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.
Claims
1. A multi-stage filtration device for a gas filter, characterized in that, The utility model relates to a kind of gas storage tank, which includes: Tank body (1), the top of tank body (1) is fixed with top cover (4) by bolt, the circumference of the tank body (1) is fixedly connected with communicating input pipe (2) and output pipe (3), input pipe (2) and output pipe (3) are oppositely arranged, the input pipe (2) extends to the inside of tank body (1); The bottom of the tank body (1) is fixedly connected with drain pipe (13), the bottom of drain pipe (13) is fixedly installed with first control valve (15), the bottom of first control valve (15) is fixedly installed with collecting pipe (14) for collecting water, the bottom of collecting pipe (14) is fixedly installed with discharge pipe (18), and second control valve is installed at the bottom of discharge pipe (18); Gas return mechanism, the gas return mechanism is arranged in collecting pipe (14) for guiding gas back to tank body (1); Filtering mechanism, the filtering mechanism is arranged in tank body (1) for filtering gas.
2. The gas filter multi-stage filtration device of claim 1, wherein, The filtering mechanism includes support ring (7) fixedly connected at the top of input pipe (2), support ring (7) is fixedly connected with support frame (8) at the top, support frame (8) is fixedly connected with screw rod (9) at the top, screw rod (9) is sleeved with pressure plate (11) around, butterfly nut (12) is threadedly connected at the top of screw rod (9), butterfly nut (12) is above pressure plate (11), filter cartridge (10) is arranged at the top of support ring (7), and pressure plate (11) is located at the top of filter cartridge (10) for pressing and fixing filter cartridge (10).
3. The gas filter multi-stage filtration device of claim 1, wherein, The gas return mechanism includes piston (16) and intermediate pipe (19), the piston (16) is slidably connected in collecting pipe (14), one end of piston (16) is fixedly connected with push rod (17), push rod (17) slidably penetrates collecting pipe (14), the intermediate pipe (19) is fixed at the top of collecting pipe (14), one-way valve (21) is fixedly installed at the top of intermediate pipe (19), one-way valve (21) is fixedly installed with communicating pipe (20) at the top, and communicating pipe (20) is fixedly communicated with the bottom of tank body (1).
4. The gas filter multi-stage filtration device of claim 3, wherein, The top inner wall of the intermediate pipe (19) is fixedly connected with U-shaped guide frame (22), plug (23) is slidably connected between the two sides of guide frame (22), plug (23) is hollowly arranged and can float in water.
5. The gas filter multi-stage filtration device of claim 1, wherein, Differential pressure gauge (5) is fixedly installed between input pipe (2) and output pipe (3).
6. The gas filter multi-stage filtration device of claim 1, wherein, Temperature sensor (6) is fixedly installed at the top of top cover (4), and the probe of temperature sensor (6) is located at the bottom of top cover (4).
7. The gas filter multi-stage filtration device of claim 6, wherein, Protective sleeve is fixedly connected around input pipe (2), and heating wire is fixedly connected in the protective sleeve.