Filter screen of oil tank smoke exhaust fan

Abstract

The utility model relates to the technical field of fan filter screens, and discloses an oil tank smoke exhaust fan filter screen which comprises a filter structure, a smoke passing groove is formed in a cover frame, multiple sets of partition plates are installed in the cover frame, a side frame A and a side frame B are installed between the two sets of partition plates, and the filter screen is installed in the cover frame. When flue gas flows along the partition plates, the multiple sets of partition plates can increase the flowing length of the flue gas, it is ensured that the filtering structure can have the high filtering effect on the flue gas, the activated carbon filter screen arranged in the filter screen can further remove small particles and peculiar smells, the filtering effect on the flue gas is improved, and after the filter screen is used for a period of time, a bolt A can be rotated to rotate the bolt B; the cover cap can be detached from the outer side of the cover frame, the placement block and the filter block are pulled out from the position between the side frame A and the side frame B, a bolt B is rotated, an insertion strip can be held by a hand to pull out the activated carbon filter screen from the interior of an inner insertion frame, and the activated carbon filter screen is cleaned.

Description

Technical Field

[0001] The utility model relates to the technical field of fan filters, in particular to a fuel tank smoke exhaust fan filter. Background Art

[0002] Fuel tank exhaust fan filters are devices used to filter impurities and particles from the air discharged by fuel tank exhaust fans. These filters are primarily used to protect the fan and related equipment from dust, dirt, and other particulate matter, thereby improving equipment efficiency and extending its service life.

[0003] Existing exhaust fan filters above fuel tanks are designed to filter out oil droplets from the fuel gas, preventing excessive oil smoke from emitting from the exhaust fan outlet, which can cause pollution and waste. Common exhaust fan filters have a cylindrical outer shell and a stainless steel wire mesh inside. Due to the cylindrical outer shell, the fuel gas flows through the filter in a short distance, resulting in poor filtration and a large amount of oil smoke at the exhaust fan outlet.

[0004] Therefore, we propose a fuel tank exhaust fan filter to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a fuel tank exhaust fan filter to solve the problem proposed in the above background technology that when oil and gas pass through the exhaust fan filter above the fuel tank, the flow path is short and the filtering effect is poor, resulting in a large amount of oil smoke at the exhaust fan outlet.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a fuel tank exhaust fan filter, comprising a filter structure, the filter structure comprising a cover frame and a cover mounted on an open end of the cover frame, an outlet pipe being mounted through one side of the top end of the cover frame, an outlet flange being mounted on one end of the outlet pipe, an inlet pipe being mounted through the bottom end of the cover frame and on a side opposite to the outlet pipe, an inlet flange being mounted on one end of the inlet pipe;

[0007] The cover comprises a cover body and a pressure plate mounted on one side of the cover body, and threaded holes B are formed through the four corners of the cover body;

[0008] The cover frame has a smoke passage groove formed inside, an internal frame is installed inside the smoke passage groove, a rubber ring is installed on the outer surface of the internal frame and on the side facing the open end of the cover frame, threaded holes A are formed at the four corners of the cover frame, threaded holes A are aligned with threaded holes B, and bolts A are connected to the internal threads of threaded holes A and threaded holes B, partitions are installed inside the cover frame, and there are multiple groups of partitions, side frames A and side frames B are installed between two groups of partitions, and a filter is installed inside the cover frame.

[0009] Preferably, a placement block and a filter block are installed on one side of the pressing plate, and the placement block and the filter block are inserted into the side frame A and the side frame B.

[0010] Preferably, the placement block includes an insert frame and a slot provided on one side of a top end of the insert frame, and the insert frame is located between the side frame A and the side frame B.

[0011] Preferably, the filter block comprises an activated carbon filter, which is located inside the insert frame.

[0012] Preferably, an insert is installed on one side of the top of the activated carbon filter, a threaded hole D is opened on one side of the insert, and a circular groove and a threaded hole C are opened on the outer side of the inner insert frame within the range of the slot.

[0013] Preferably, the threaded hole C is opened at the inner middle end of the circular groove, and the threaded hole C and the inner thread of the threaded hole D are connected with a bolt B.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] (1) The utility model provides a fuel tank exhaust fan filter. When the smoke flows along the partitions, the multiple groups of partitions provided will increase the length of the smoke flow, ensuring that the filter structure can have a higher filtering effect on the smoke. The activated carbon filter provided inside the filter can further remove tiny particles and odors, thereby increasing the filtering effect on the smoke.

[0016] (2) The utility model provides a fuel tank exhaust fan filter. By turning bolt A, the cover can be removed from the outside of the cover frame, and the placement block and the filter block can be pulled out from between the side frame A and the side frame B. By turning bolt B, the activated carbon filter can be pulled out from the inside of the inner frame by holding the insert rod to clean the activated carbon filter. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the cover frame structure of the present utility model;

[0019] Figure 3 This is a schematic diagram of the cover structure of the utility model;

[0020] Figure 4 This is a structural diagram of the discharging mechanism of the present utility model.

[0021] In the figure: 1. Filter structure; 11. Cover frame; 111. Smoke trough; 112. Internal frame; 113. Rubber ring; 114. Partition; 115. Threaded hole A; 116. Side frame A; 117. Side frame B; 118. Filter; 12. Cover; 121. Cover body; 122. Threaded hole B; 123. Press plate; 124. Placement block; 1241. Insert frame; 1242. Circular groove; 1243. Threaded hole C; 1244. Slot; 125. Filter block; 1251. Insert; 1252. Threaded hole D; 1253. Activated carbon filter; 126. Bolt B; 13. Bolt A; 14. Outlet pipe; 15. Outlet flange; 16. Inlet pipe; 17. Inlet flange. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] Example 1: Please refer to Figure 1 and Figure 2 A fuel tank smoke exhaust fan filter includes a filtering structure 1, which includes a cover frame 11 and a cover 12 installed at the open end of the cover frame 11. An outlet pipe 14 is installed through one side of the top of the cover frame 11, and an outlet flange 15 is installed at one end of the outlet pipe 14. An inlet pipe 16 is installed through the bottom end of the cover frame 11 and on the side opposite to the outlet pipe 14, and an inlet flange 17 is installed at one end of the inlet pipe 16.

[0024] The cover 12 includes a cover body 121 and a pressing plate 123 installed on one side of the cover body 121 . Threaded holes B122 are formed through the four corners of the cover body 121 .

[0025] A smoke passage 111 is provided inside the cover frame 11, and an internal frame 112 is installed inside the smoke passage 111. A rubber ring 113 is installed on the outer surface of the internal frame 112 and on the side facing the open end of the cover frame 11. Threaded holes A115 are provided at the four corners of the cover frame 11, and the threaded holes A115 are aligned with the threaded holes B122. The internal threads of the threaded holes A115 and the threaded holes B122 are connected with bolts A13. A partition 114 is installed inside the cover frame 11, and there are multiple groups of partitions 114. Side frames A116 and B117 are installed between two groups of partitions 114. A filter 118 is installed inside the cover frame 11. The partitions 114 increase the flow length of the smoke, and the filter 118 filters the smoke.

[0026] In this embodiment, the cover frame 11 and the cover 12 are both rectangular single-sided shells made of stainless steel plates, the outlet pipe 14 and the inlet pipe 16 are short pipes made of stainless steel pipes, one side of the outlet pipe 14 and the inlet pipe 16 are welded to the cover frame 11, and the other side of the outlet pipe 14 and the inlet pipe 16 are welded to the flange, the outlet flange 15 and the inlet flange 17 are stainless steel flanges that match the outlet pipe 14 and the inlet pipe 16, the partition 114 is made of stainless steel plate, and the partition 114 is welded to the inside of the cover frame 11. When the cover frame 11 After being connected to the cover 12 with bolts A13, ensure that the distance between the partition 114 and the inner wall closest to the cover frame 11 and the distance between two adjacent partitions 114 are approximately equal. The filter screen 118 is a stainless steel wire filter screen, and its shape can ensure that after the cover frame 11 and the cover 12 are connected with bolts A13, the filter screen 118 can fill all the space inside the cover frame 11 except the partition 114, the side frame A116 and the side frame B117. The multiple groups of partitions 114 will increase the length of the smoke flow, ensuring that the filter structure 1 can have a higher filtering effect on the smoke.

[0027] Example 2: Please refer to Figure 2-Figure 4 A placement block 124 and a filter block 125 are installed on one side of the pressure plate 123. The placement block 124 and the filter block 125 are inserted into the side frame A116 and the side frame B117. The placement block 124 and the filter block 125 further filter the flue gas.

[0028] The placement block 124 includes an insert frame 1241 and a slot 1244 opened on one side of the top of the insert frame 1241. The insert frame 1241 is located between the side frame A116 and the side frame B117. The placement block 124 can be inserted into the interior of the cover frame 11 to avoid a gap between the placement block 124 and the cover frame 11, which affects the filtering effect of the smoke.

[0029] The filter block 125 includes an activated carbon filter 1253 . The activated carbon filter 1253 is located inside the insert frame 1241 , and two ends of the insert frame 1241 are flush with two ends of the activated carbon filter 1253 .

[0030] An insert 1251 is installed on one side of the top of the activated carbon filter 1253, and a threaded hole D1252 is opened on one side of the insert 1251. A circular groove 1242 and a threaded hole C1243 are opened on the outside of the inner insert frame 1241 and within the range of the slot 1244. The insert 1251 is adapted to the slot 1244, and the threaded hole C1243 is aligned with the threaded hole D1252.

[0031] The threaded hole C1243 is provided at the inner middle end of the circular groove 1242 . The threaded hole C1243 and the inner threads of the threaded hole D1252 are connected with a bolt B126 , and the mounting block 124 and the filter block 125 are connected by the bolt B126 .

[0032] In this embodiment, when the smoke flows along the partition 114, the activated carbon filter 1253 arranged inside the filter 118 can further remove small particles and odors, thereby increasing the filtering effect on the smoke. After a period of use, the bolt A13 can be turned, and the cover 12 can be removed from the outside of the cover frame 11. The placement block 124 and the filter block 125 are pulled out from between the side frame A116 and the side frame B117. The bolt B126 is turned, and the activated carbon filter 1253 can be pulled out from the inside of the inner insert frame 1241 by holding the insert 1251. After cleaning the filter screen 1253 and drying it, insert the filter block 125 into the inner insert frame 1241, use the filter block 125 to fix the inner insert frame 1241 and the insertion strip 1251, turn the bolt B126 to the inside of the circular groove 1242, insert the cleaned placement block 124 and filter block 125 between the side frame A116 and the side frame B117, and press the rubber ring 113 with the pressure plate 123 to seal the cover frame 11 and the cover 12 to prevent smoke leakage, and use the bolt A13 to connect the cover frame 11 and the cover 12.

[0033] Working principle: When the flue gas flows along the partition 114, the multiple groups of partitions 114 will increase the length of the flue gas flow, ensuring that the filter structure 1 can have a higher filtering effect on the flue gas. The activated carbon filter 1253 arranged inside the filter 118 can further remove tiny particles and odors, and increase the filtering effect on the flue gas. After using it for a period of time, the bolt A13 can be rotated, and the cover 12 can be removed from the outside of the cover frame 11. The placement block 124 and the filter block 125 are pulled out from between the side frame A116 and the side frame B117. The bolt B126 is rotated, and the activated carbon filter 1253 can be pulled out from the inside of the inner frame 1241 by holding the insert 1251 to clean the activated carbon filter 1253.

[0034] The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0035] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A fuel tank exhaust fan filter, comprising a filter structure (1), characterized in that: The filtering structure (1) comprises a cover frame (11) and a cover (12) mounted on an open end of the cover frame (11); an outlet pipe (14) is installed through one side of the top end of the cover frame (11); an outlet flange (15) is installed at one end of the outlet pipe (14); an inlet pipe (16) is installed through the bottom end of the cover frame (11) and on a side opposite to the outlet pipe (14); and an inlet flange (17) is installed at one end of the inlet pipe (16); The cover (12) comprises a cover body (121) and a pressure plate (123) mounted on one side of the cover body (121), and threaded holes B (122) are formed through the four corners of the cover body (121); The cover frame (11) is provided with a smoke passage groove (111) inside, an internal frame (112) is installed inside the smoke passage groove (111), a rubber ring (113) is installed on the outer surface of the internal frame (112) and on the side facing the opening end of the cover frame (11), threaded holes A (115) are provided at the four corners of the cover frame (11), the threaded holes A (115) are aligned with the threaded holes B (122), and the internal threads of the threaded holes A (115) and the threaded holes B (122) are connected with bolts A (13), a partition (114) is installed inside the cover frame (11), and the partition (114) is provided in multiple groups, and a side frame A (116) and a side frame B (117) are installed between two groups of the partitions (114), and a filter (118) is installed inside the cover frame (11).

2. The oil tank exhaust fan filter according to claim 1, characterized in that: A placement block (124) and a filter block (125) are installed on one side of the pressing plate (123), and the placement block (124) and the filter block (125) are inserted into the interior of the side frame A (116) and the side frame B (117).

3. The oil tank exhaust fan filter according to claim 2, characterized in that: The placement block (124) comprises an insert frame (1241) and a slot (1244) provided on one side of the top of the insert frame (1241). The insert frame (1241) is located between the side frame A (116) and the side frame B (117).

4. The oil tank exhaust fan filter according to claim 2, characterized in that: The filter block (125) includes an activated carbon filter (1253), and the activated carbon filter (1253) is located inside the insert frame (1241).

5. The oil tank exhaust fan filter according to claim 4, characterized in that: An insert (1251) is installed on one side of the top end of the activated carbon filter (1253), a threaded hole D (1252) is provided on one side of the insert (1251), and a circular groove (1242) and a threaded hole C (1243) are provided on the outside of the inner insert frame (1241) and within the range of the slot (1244).

6. The oil tank exhaust fan filter according to claim 5, characterized in that: The threaded hole C (1243) is opened at the inner middle end of the circular groove (1242), and the threaded hole C (1243) and the inner thread of the threaded hole D (1252) are connected with a bolt B (126).

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