Novel fuel gas detecting and filtering device

Abstract

The utility model relates to the technical field of fuel gas filtering, and provides a novel fuel gas detecting and filtering device which comprises a box body, an annular frame is fixedly embedded in the upper end of the interior of the box body, a conical filter screen is movably embedded in the upper end of the interior of the box body, and a rectangular frame is fixedly installed at the edge of the conical filter screen. A through hole is formed in the outer surface of one side of the rectangular frame, and the rectangular groove is formed in the outer surface of one side of the box body; fuel gas enters the box body through the gas inlet pipe and is preliminarily filtered through the conical filter screen, large particle impurities in the fuel gas can be filtered and intercepted, the conical filter screen can improve the filtering effect and reduce blockage, the particle impurities slide to the edge of the conical filter screen through a slope of the conical filter screen, a rectangular frame can block the particle impurities, and the filtering effect is improved. The primarily filtered fuel gas is finely filtered through the first containing box, the first containing box is filled with activated carbon, fine particles and harmful chemical substances can be removed, and the safety of the fuel gas is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas filter technology field especially relates to a novel gas detection filter device. BACKGROUND

[0002] Gas detection filtering is an important step to ensure the accurate measurement and safe operation of gas detection instruments. Gas detection instruments are usually used to detect the concentration of combustible gases in natural gas, coal gas, liquefied petroleum gas (LPG) and other gases to prevent explosions, fires and other accidents. In order to ensure the accuracy of the test results and the long-term stable operation of the instrument, the gas entering the detection instrument needs to be filtered.

[0003] However, in the prior art, most gas detection filter devices are not convenient to clean the internal filter mechanism, and the cleaning is not clean enough to cause blockage, thereby reducing the filtering effect of the gas. Moreover, larger particle impurities can easily block the primary filter screen, which requires frequent cleaning and increases the workload, thereby reducing the efficiency of gas filtration detection. SUMMARY

[0004] The utility model discloses a novel gas detection filter device, which can conveniently clean the internal filter mechanism, prevent blockage, reduce the workload, and improve the efficiency of gas filtration detection.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a novel gas detection filter device, comprising: a box body, an annular frame is fixedly embedded at the upper end inside the box body, a conical filter screen is movably embedded at the upper end inside the box body, a rectangular frame is fixedly installed at the edge of the conical filter screen, a through hole is formed in the outer surface of one side of the rectangular frame, and the device further comprises:

[0006] A rectangular groove is formed in the outer surface of one side of the box body, an installation groove one is formed in the upper end inside the rectangular groove, and a placing box one is movably embedded in the installation groove one;

[0007] An installation groove two is formed in the lower end inside the rectangular groove, and a placing box two is movably embedded in the installation groove two;

[0008] A sealing plate is movably embedded in the rectangular groove, and a handle is fixedly installed on the outer surface of the sealing plate.

[0009] Preferably, a plurality of filter holes are formed in the inside of the placing box one and the placing box two, and a groove is formed in one side of the placing box one and the placing box two.

[0010] The technical effects of the further scheme are that the placing box one and the placing box two can be taken out through the groove, and the activated carbon and the desiccant inside can be replaced.

[0011] Preferably, the box is fixedly installed with a limiting block on the outer surface of each of the two sides close to the rectangular groove, the outer surface of each of the two limiting blocks is provided with a clamping groove, the outer surface of each of the two limiting blocks is movably embedded with a bolt, the outer surface of each of the two bolts is fixedly connected with a spring one, and the other end of each of the two spring ones is fixedly connected to the outer surface of the limiting block.

[0012] The technical effects of the further scheme are that the bolt embedded in the limiting hole can limit the clamping plate.

[0013] Preferably, the inside of each of the two clamping grooves is movably embedded with a clamping plate, and the two sides of the clamping plate are provided with limiting holes.

[0014] The technical effects of the further scheme are that the clamping plate can limit and fix the sealing plate.

[0015] Preferably, the inside of the lower end of the box is fixedly embedded with a detector, and one side of the outer surface of the box is fixedly installed with a circulating pump.

[0016] The technical effects of the further scheme are that the circulating pump can deliver the unqualified fuel gas to the return pipe, and then to the upper end of the box for secondary filtration.

[0017] Preferably, the input of the circulating pump penetrates the box and is connected with the detector, the output end of the circulating pump is fixedly installed with a return pipe, the other end of the return pipe penetrates the box and is connected with the through hole, the outer surface of the return pipe is provided with a one-way valve, one side of the lower end of the box is fixedly installed with an exhaust pipe, and the exhaust pipe penetrates the box and is connected with the detector.

[0018] The technical effects of the further scheme are that the return pipe can deliver the unqualified fuel gas to the upper end of the box for secondary filtration, the one-way valve can prevent the fuel gas from flowing back, and the qualified fuel gas is delivered out through the exhaust pipe.

[0019] Preferably, the top of the box is fixedly sleeved with a sealing ring plate, the inside of the sealing ring plate is movably embedded with a sealing cover, the top center of the sealing cover is fixedly installed with an air inlet pipe, and the two sides of the sealing cover are provided with a plurality of round holes.

[0020] The technical effects of the further scheme are that the sealing cover can seal the top of the box to prevent the fuel gas from leaking.

[0021] Preferably, the outer surfaces of the sealing ring plates are movably embedded with a plurality of limiting pins, the plurality of limiting pins are evenly divided into two groups, and the opposite ends of the two groups of limiting pins are fixedly installed with connecting plates.

[0022] The technical effect of the above further scheme is that the limiting pins embedded in the inner part of the circular hole can limit and fix the sealing cover.

[0023] The outer surfaces of the two connecting plates are fixedly connected with a plurality of springs two, the other ends of the two springs two are fixedly connected to the outer surfaces of the sealing ring plates, and the opposite surfaces of the two connecting plates are fixedly installed with pull handles.

[0024] The technical effect of the above further scheme is that the limiting pins can be moved out of the inner part of the circular hole by driving the connecting plates through the pull handles.

[0025] Compared with the prior art, the utility model has the advantages and positive effects that,

[0026] 1. In the utility model, gas enters the inside of the box through the gas inlet pipe, is preliminarily filtered through the conical filter screen, and the relatively large particulate impurities in the gas can be filtered and intercepted, the conical filter screen can improve the filtering effect and reduce the blockage, the particulate impurities slide down to the edge of the conical filter screen through the slope of the conical filter screen, and the rectangular frame can block the particulate impurities, the preliminarily filtered gas is filtered in detail through the placing box one, the inside of the placing box one is filled with activated carbon, the fine particles and harmful chemical substances can be removed, the safety of the gas is better improved, then the gas enters the inside of the placing box two through a plurality of filter holes, the inside of the placing box two is filled with a drying agent, the moisture in the gas can be removed, the influence of the moisture on the detector is prevented, the moisture-removed gas enters the inside of the detector for detection, the qualified gas is conveyed out through the gas outlet pipe, and the unqualified gas is conveyed to the return pipe through the circulating pump, is input into the inside of the conical filter screen through the return pipe and is subjected to secondary filtration, and the quality of the gas is better improved.

[0027] 2. In the utility model, the connecting plates are pulled through the pull handle, the limiting pins are moved out of the inner part of the circular hole, then the sealing cover is taken out from the inside of the sealing ring plate, the conical filter screen can be taken out, then the conical filter screen is cleaned, the two bolts are pulled out of the inner part of the limiting hole, the clamping plate is taken out, the sealing plate is taken out from the inside of the rectangular groove through the handle, then the placing box one and the placing box two can be taken out through the grooves, the activated carbon and the drying agent in the inside are replaced, and the disassembly and assembly are relatively fast and convenient. ACCURACY OF DRAWINGS

[0028] Figure 1 A structural schematic view of a novel gas detection and filtering device is provided in the utility model;

[0029] Figure 2The utility model provides an explosion structure schematic view of novel gas detection filtering device.

[0030] Figure 3 The utility model provides a sectional structure schematic view of novel gas detection filtering device.

[0031] Figure 4 The utility model provides a sectional structure schematic view of novel gas detection filtering device. Figure 1 The utility model provides an explosion structure schematic view of novel gas detection filtering device.

[0032] Legend:

[0033] 1, box body, 101, sealing ring plate, 102, connecting plate, 103, pull handle, 104, sealing cover, 105, air inlet pipe, 106, rectangular groove, 107, sealing plate, 108, handle, 109, clamping plate, 110, exhaust pipe, 111, round hole, 112, annular frame, 113, limit pin, 114, spring two, 115, conical filter screen, 116, rectangular frame, 1161, through hole, 117, placing box one, 118, filter hole, 119, placing box two, 120, recess, 121, mounting groove one, 122, mounting groove two, 123, limit hole, 124, detector, 125, circulating pump, 126, return pipe, 127, one-way valve, 128, spring one, 129, clamping groove, 130, bolt, 131, limit block. Specific embodiments

[0034] In order to more clearly understand the above purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the drawings and examples. It should be noted that the embodiments of the present application and the features in the examples can be combined with each other without conflict.

[0035] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, however, the present application can also be implemented in other ways different from the description, therefore, the present application is not limited to the specific embodiments disclosed in the following description.

[0036] Example 1, as Figures 1-4The utility model provides a novel gas detection filtering device, which comprises a box body 1, an annular frame 112 fixedly embedded at the upper end inside the box body 1, a conical filter screen 115 movably embedded at the upper end inside the box body 1, a rectangular frame 116 fixedly installed at the edge of the conical filter screen 115, a through hole 1161 formed in the outer surface of one side of the rectangular frame 116, a rectangular groove 106 formed in the outer surface of one side of the box body 1, an installation groove I 121 formed in the upper end inside the rectangular groove 106, a placing box I 117 movably embedded in the installation groove I 121, an installation groove II 122 formed in the lower end inside the rectangular groove 106, a placing box II 119 movably embedded in the installation groove II 122, a sealing plate 107 movably embedded in the rectangular groove 106, a handle 108 fixedly installed on the outer surface of the sealing plate 107, a plurality of filter holes 118 formed in the interiors of the placing box I 117 and the placing box II 119, a groove 120 formed in one side of the placing box I 117 and the placing box II 119, a detector 124 fixedly embedded at the lower end inside the box body 1, a circulating pump 125 fixedly installed on the outer surface of one side of the box body 1, the input of the circulating pump 125 penetrating through the box body 1 and connected with the detector 124, a return pipe 126 fixedly installed at the output of the circulating pump 125, the other end of the return pipe 126 penetrating through the box body 1 and connected with the through hole 1161, a one-way valve 127 arranged on the outer surface of the return pipe 126, an exhaust pipe 110 fixedly installed on one side of the box body 1 close to the lower end, the exhaust pipe 110 penetrating through the box body 1 and connected with the detector 124.

[0037] In the embodiment, the gas enters the interior of the box body 1 through the gas inlet pipe 105, is preliminarily filtered by the conical filter screen 115, and the larger particulate impurities in the gas can be filtered and intercepted. The conical filter screen 115 can improve the filtering effect and reduce the blockage. The particulate impurities slide down to the edge of the conical filter screen 115 through the slope thereof, and the rectangular frame 116 can block the particulate impurities. The preliminarily filtered gas is filtered in detail by the placing box I 117, the interior of the placing box I 117 is filled with activated carbon, the fine particles and harmful chemical substances can be removed, the safety of the gas is better improved, then the gas enters the interior of the placing box II 119 through the plurality of filter holes 118, the interior of the placing box II 119 is filled with a drying agent, the moisture in the gas can be removed, the influence of the moisture on the detector 124 is prevented, the moisture-removed gas enters the interior of the detector 124 for detection, the qualified gas is conveyed out through the exhaust pipe 110, and the unqualified gas is conveyed to the return pipe 126 through the circulating pump 125, is input into the interior of the conical filter screen 115 through the return pipe 126, and is subjected to secondary filtration, so that the quality of the gas is better improved.

[0038] In the embodiment, the gas enters the interior of the box body 1 through the gas inlet pipe 105, is preliminarily filtered by the conical filter screen 115, and the larger particulate impurities in the gas can be filtered and intercepted. The conical filter screen 115 can improve the filtering effect and reduce the blockage. The particulate impurities slide down to the edge of the conical filter screen 115 through the slope thereof, and the rectangular frame 116 can block the particulate impurities. The preliminarily filtered gas is filtered in detail by the placing box I 117, the interior of the placing box I 117 is filled with activated carbon, the fine particles and harmful chemical substances can be removed, the safety of the gas is better improved, then the gas enters the interior of the placing box II 119 through the plurality of filter holes 118, the interior of the placing box II 119 is filled with a drying agent, the moisture in the gas can be removed, the influence of the moisture on the detector 124 is prevented, the moisture-removed gas enters the interior of the detector 124 for detection, the qualified gas is conveyed out through the exhaust pipe 110, and the unqualified gas is conveyed to the return pipe 126 through the circulating pump 125, is input into the interior of the conical filter screen 115 through the return pipe 126, and is subjected to secondary filtration, so that the quality of the gas is better improved. Figures 1-4As shown, the box body 1 is close to the two sides of the rectangular groove 106 and the outer surface is fixedly installed with a limiting block 131, the outer surface of the two limiting blocks 131 is provided with a clamping groove 129, the outer surface of the two limiting blocks 131 is movably embedded with a bolt 130, the outer surface of the two bolts 130 is fixedly connected with a spring 128, the other end of the two springs 128 is fixedly connected with the outer surface of the limiting block 131; the inside of the two clamping grooves 129 is movably embedded with a clamping plate 109, the two sides of the clamping plate 109 is provided with a limiting hole 123; the top of the box body 1 is fixedly sleeved with a sealing ring plate 101, the inside of the sealing ring plate 101 is movably embedded with a sealing cover 104, the top center of the sealing cover 104 is fixedly installed with an air inlet pipe 105, the two sides of the sealing cover 104 is provided with a plurality of circular holes 111; the outer surface of the sealing ring plate 101 is movably embedded with a plurality of limiting pins 113, the plurality of limiting pins 113 is evenly divided into two groups, the opposite ends of the two groups of limiting pins 113 is fixedly installed with a connecting plate 102; the outer surface of the two connecting plates 102 is fixedly connected with a plurality of springs 114, the other end of the two springs 114 is fixedly connected with the outer surface of the sealing ring plate 101, the opposite sides of the two connecting plates 102 is fixedly installed with a pull handle 103.

[0039] In this embodiment, the connecting plate 102 is pulled by the pull handle 103 to drive the limiting pin 113 to move out of the inside of the circular hole 111, then the sealing cover 104 is taken out from the inside of the sealing ring plate 101, the conical filter screen 115 can be taken out, then it is cleaned, the clamping plate 109 is taken out by pulling the two bolts 130 out of the inside of the limiting hole 123, the sealing plate 107 is taken out from the inside of the rectangular groove 106 by the handle 108, then the placing box one 117 and the placing box two 119 can be taken out through the groove 120, the activated carbon and the desiccant in the inside are replaced, the disassembly and assembly is relatively fast and convenient.

[0040] Working principle: when using, the gas enters the inside of the box 1 through the air inlet pipe 105, and is preliminarily filtered through the conical filter screen 115, so that the larger particle impurities in the gas can be filtered and intercepted, the conical filter screen 115 can improve the filtering effect and reduce the blockage, the particle impurities slide down to the edge of the conical filter screen 115 through the slope thereof, the rectangular frame 116 can block the particle impurities, the preliminarily filtered gas is filtered in detail through the placing box one 117, the inside of the placing box one 117 is filled with activated carbon, which can remove fine particles and harmful chemical substances, and better improve the safety of the gas, then enters the inside of the placing box two 119 through a plurality of filter holes 118, the inside of the placing box two 119 is filled with a drying agent, which can remove the moisture in the gas to prevent the moisture from affecting the detector 124, the gas after removing the moisture enters the inside of the detector 124 for detection, the qualified gas is conveyed out through the air outlet pipe 110, and the unqualified gas is conveyed to the backflow pipe 126 through the circulating pump 125, and then is input into the inside of the conical filter screen 115 for secondary filtration, so that the quality of the gas is better improved, when cleaning, the connecting plate 102 is pulled to drive the limiting pin 113 to move out of the inside of the circular hole 111, then the sealing cover 104 is taken out of the inside of the sealing ring plate 101, the conical filter screen 115 can be taken out, and then the conical filter screen 115 is cleaned, the two bolts 130 are pulled to move out of the inside of the limiting hole 123, the clamping plate 109 is taken out, the sealing plate 107 is taken out of the inside of the rectangular groove 106 through the handle 108, then the placing box one 117 and the placing box two 119 can be taken out through the recess 120, and the activated carbon and the drying agent in the inside of the placing box one 117 and the placing box two 119 are replaced, and the disassembly and assembly are relatively quick and convenient.

[0041] The above is only a preferred embodiment of the present application, and does not limit the present application in other forms, and any skilled person in the art can change or modify the above disclosed technical content into equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application still belong to the protection scope of the technical scheme of the present application.

Claims

1. A novel gas detection filtering device comprising: The utility model relates to a filter box, including box (1), the upper end fixedly embedded ring frame (112) in the inside of box (1), the upper end movably embedded conical filter screen (115) in the inside of box (1), the edge fixed mounting of conical filter screen (115) is equipped with rectangular frame (116), one side surface of rectangular frame (116) is equipped with through -hole (1161), characterized by further include: Rectangular groove (106) is equipped in the one side surface of box (1), the upper end is equipped with mounting groove one (121) in the inside of rectangular groove (106), the inside movably embedded of mounting groove one (121) is equipped with placing box one (117); Mounting groove two (122) is equipped in the lower end in the inside of rectangular groove (106), the inside movably embedded of mounting groove two (122) is equipped with placing box two (119); Sealing plate (107) movably embedded in the inside of rectangular groove (106), the outer surface of sealing plate (107) is fixedly installed with handle (108).

2. The novel gas detection filtering device according to claim 1, characterized in that: The inside of placing box one (117) and placing box two (119) is equipped with a plurality of filter holes (118), and one side of placing box one (117) and placing box two (119) is equipped with recess (120).

3. The novel gas detection filtering device according to claim 1, characterized in that: The both sides outer surfaces of box (1) close to rectangular groove (106) are fixedly installed with limit block (131), the outer surfaces of two limit block (131) are equipped with clamping groove (129), the outer surfaces of two limit block (131) movably embedded are equipped with bolt (130), the outer surfaces of two bolt (130) are fixedly connected with spring one (128), and the other end of two spring one (128) is fixedly connected on the outer surface of limit block (131).

4. The novel gas detection filtering device according to claim 3, characterized in that: The inside of two clamping groove (129) movably embedded is equipped with clamping plate (109), and the both sides of clamping plate (109) are equipped with limit hole (123).

5. The novel gas detection filtering device according to claim 1, characterized in that: The lower end in the inside of box (1) is fixedly embedded with detection instrument (124), and the one side outer surface of box (1) is fixedly installed with circulating pump (125).

6. The novel gas detection filtering device according to claim 5, characterized in that: The input of circulating pump (125) is connected with detection instrument (124) through box (1), and the output end of circulating pump (125) is fixedly installed with backflow pipe (126), and the other end of backflow pipe (126) is connected with through -hole (1161) through box (1), and the outer surface of backflow pipe (126) is provided with check valve (127), and the one side of box (1) close to lower end is fixedly installed with exhaust pipe (110), and exhaust pipe (110) is connected with detection instrument (124) through box (1).

7. The novel gas detection filtering device according to claim 1, characterized in that: The top of box (1) is fixedly sleeved with sealing ring plate (101), the inside of sealing ring plate (101) movably embedded is equipped with sealing cover (104), the top center of sealing cover (104) is fixedly installed with air inlet pipe (105), and the both sides of sealing cover (104) are equipped with a plurality of round holes (111).

8. The novel gas detection filtering device according to claim 7, characterized in that: The outer surface of the sealing ring plate (101) is movably embedded with a plurality of limiting pins (113), the plurality of limiting pins (113) are evenly divided into two groups, and the opposite ends of the two groups of limiting pins (113) are fixedly installed with connecting plates (102).

9. The novel gas detection filtering device according to claim 8, characterized in that: The outer surfaces of the two connecting plates (102) are fixedly connected with a plurality of springs two (114), the other ends of the two springs two (114) are fixedly connected to the outer surface of the sealing ring plate (101), and the opposite surfaces of the two connecting plates (102) are fixedly installed with pull handles (103).

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