Waste gas filtering device for petroleum production

Abstract

The utility model discloses a waste gas filtering device for petroleum production, which relates to the technical field of waste gas filtering equipment and comprises a filtering box, a gas inlet pipe and a gas outlet pipe are respectively mounted on two opposite sides of the filtering box, and a filtering plate component is arranged in the filtering box; the filter plate assembly comprises a first filter plate and a second filter plate, a first supporting block and a second supporting block are mounted at the top and the bottom of the filter box, the first filter plate is clamped in a gap between the first supporting block and the second supporting block, third supporting blocks are mounted at the top and the bottom of the filter box, and the third supporting blocks are clamped in the gap between the first supporting block and the second supporting block. The filter plate assembly is designed, dust in waste gas can be filtered, dust or particulate matter in the waste gas can be thoroughly removed, a plurality of filter plates are designed in the box body to filter the waste gas flowing through a channel, and the filter plates are arranged in the box body to filter the waste gas flowing through the channel. Supporting blocks with different clamping structures are designed to be matched with the positioning filter plate, so that the filter plate is convenient to disassemble and assemble.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas filtering equipment, in particular to a waste gas filtering device for petroleum production. Background Art

[0002] A large amount of industrial waste gas is produced during the production process of the petroleum industry. The waste gas contains a large amount of dust. If it is directly discharged without filtering, it will affect the environmental quality of the surrounding air. Therefore, in some waste gas treatment processes, spray tower equipment is used to clean the dust inside the waste gas treatment box. The spray towers on the market currently wet and flush the dust by spraying water. Some dust will still flow with the airflow without being treated, causing some dust to enter subsequent equipment and affect the normal use of the equipment. Utility Model Content

[0003] Based on this, it is necessary to provide a waste gas filtration device for petroleum production to address the problem of incomplete cleaning of particulate matter in exhaust gas by spray tower equipment, which can filter and treat particulate matter in exhaust gas cleaned by spray tower equipment to avoid dust entering subsequent equipment and affecting subsequent normal use.

[0004] An exhaust gas filtering device for petroleum production comprises a filter box, an air inlet pipe and an exhaust pipe are respectively installed on opposite sides of the filter box, and at least one filter plate assembly for filtering the exhaust gas is installed in a channel through which the exhaust gas flows inside the filter box;

[0005] The filter plate assembly includes a first filter plate and a second filter plate, a first support block and a second support block are installed on the top and bottom of the filter box, the first filter plate is clamped in the gap between the first support block and the second support block, a third support block is installed on the top and bottom of the filter box, the third support block has a groove, and the second filter plate is clamped in the groove of the third support block.

[0006] As a preferred solution, the filter plate assembly includes a third filter plate, and fourth support blocks are installed on the top and bottom of the filter box. The four support blocks are provided with right-angled trapezoidal grooves, and the groove walls of the right-angled trapezoidal grooves are provided with horizontally slidable baffles. A second spring is installed between the baffle and the groove wall of the right-angled trapezoidal groove, and the third filter plate is inserted into the right-angled trapezoidal groove. The second spring pushes the baffle to make the fourth support block close to the groove wall of the right-angled trapezoidal groove.

[0007] As a preferred solution, the second filter plate is composed of two V-shaped filter plates spliced ​​into a whole.

[0008] As a preferred solution, a telescopic device is installed between the air intake pipe and the filter box, and the length of the telescopic device can be extended to adjust the distance between the air intake pipe and the filter box.

[0009] As a preferred solution, the telescopic device includes a first limiting ring and a second limiting ring, the first limiting ring is fixedly connected to the air intake pipe, the second limiting ring is fixedly connected to the side wall of the filter box, a folding tube is connected between the first limiting ring and the second limiting ring, a screw is fixedly connected to the second limiting ring, the other end of the screw is horizontally inserted in the first limiting ring, the two limiting rings and the first limiting ring are respectively provided with a first nut and a second nut threadably matched with the first limiting ring on both sides, and a first spring is provided on the screw between the second nut and the first limiting ring.

[0010] As a preferred solution, a first flange is installed on the intake pipe, and a second flange is installed on the exhaust pipe.

[0011] As a preferred solution, the filter box includes a box body, a side wall of the box body has an opening, a cover plate is installed at the opening, and the cover plate is connected to the box body by fasteners.

[0012] The utility model is beneficial in that:

[0013] Based on the spray tower equipment to clean the dust inside the exhaust gas treatment box, further filtering treatment is performed. A filter plate assembly is designed to filter the dust in the exhaust gas and completely remove the dust or particulate matter in the exhaust gas. Multiple filter plates are designed inside the box to filter the exhaust gas flowing through the channel, and support blocks with different clip-on structures are designed to cooperate with the positioning filter plates to achieve convenient disassembly and assembly of the filter plates. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of one embodiment;

[0015] Figure 2 A schematic diagram of the internal structure of a filter box according to one embodiment

[0016] Figure 3 For one embodiment Figure 2 The enlarged schematic diagram at A in the middle;

[0017] Figure 4 For one embodiment Figure 2 The enlarged schematic diagram of point B in the middle;

[0018] Figure 5 For one embodiment Figure 2 The enlarged schematic diagram at C in the middle;

[0019] Icons: 1. Inlet pipe; 2. Filter box; 201. Box body; 202. Cover plate; 3. Exhaust pipe; 4. Telescopic device; 5. Folding tube; 6. First limiting ring; 7. Second limiting ring; 8. Screw; 9. First nut; 10. Second nut; 11. First spring; 13. First filter plate; 14. Second filter plate; 15. Third filter plate; 16. First flange; 17. Second flange; 19. First support block; 20. Second support block; 21. Third support block; 22. Fourth support block; 221. Right-angle trapezoidal groove; 23. Baffle; 24. Second spring. DETAILED DESCRIPTION

[0020] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0021] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0023] like Figure 1-Figure 5 As shown,

[0024] As an optional embodiment,

[0025] An exhaust gas filtering device for oil production, comprising a filter box 2, an air intake pipe 1 and an exhaust pipe 3 are respectively installed on opposite sides of the filter box 2, and at least one filter plate assembly for filtering the exhaust gas is installed in a channel through which the exhaust gas flows inside the filter box 2;

[0026] The filter plate assembly includes a first filter plate 13 and a second filter plate 14. The top and bottom of the filter box 2 are both installed with a first support block 19 and a second support block 20. The first filter plate 13 is clamped in the gap between the first support block 19 and the second support block 20. The top and bottom of the filter box 2 are both installed with a third support block 21. The third support block 21 has a groove, and the second filter plate 14 is clamped in the groove of the third support block 21.

[0027] In the above structure, based on the spray tower equipment to clean the dust inside the exhaust gas treatment box, a further filtering treatment is performed. A filter plate assembly is designed to filter the dust in the exhaust gas to ensure that the subsequent exhaust gas treatment equipment will not be disturbed by the dust. The filter plate assembly is specifically structured as follows:

[0028] The filter plate assembly includes a first filter plate 13 and a second filter plate 14, which are vertically installed inside the filter box 2 to filter the exhaust gas flowing through the channel. The first filter plate 13 and the second filter plate 14 are respectively installed inside the filter box 2 in a snap-fit ​​manner for subsequent convenient disassembly; for the snap-fit ​​structure of the first filter plate 13: the first support block 19 and the second support block 20 are distributed on the inner top surface and the inner bottom surface of the filter box 2, the first support block 19 and the second support block 20 can adopt strip blocks with a right-angled triangle cross-section, the first support block 19 and the second support block 20 are both fixed on the inner wall of the filter box 2, and there is a certain gap between the first support block 19 and the second support block 20, which can accommodate the first filter plate 13, and the filter plate can be horizontally inserted into the gap later, and disassembly and assembly are relatively convenient.

[0029] Regarding the structural design of the second filter plate 14: the second filter plate 14 is composed of two V-shaped filter plates as a whole. The second filter plate 14 increases the original filter area relative to the first filter plate 13, which can improve the filtering efficiency. At the same time, the second filter plate 14 is positioned by a snap-fit ​​method for its connection, and a third support block 21 is designed. The third support block 21 is an isosceles trapezoidal block, and a trapezoidal groove is opened on the isosceles trapezoidal block. The third support block 21 is distributed on the upper and lower sides of the inner wall of the filter box 2. Subsequently, the second filter plate 14 can be horizontally inserted into the groove between the two third support blocks 21.

[0030] A double-layer filtering method is designed to eliminate particulate matter in the exhaust gas to the greatest extent. In addition, the two-layer filtering structure can select filter meshes of different densities to filter particulate matter of different diameters according to actual filtering needs. Two snap-on methods are designed to position the two filter plates respectively. Two support blocks can be selected or combined. Two filter plates are designed and can be configured according to actual needs.

[0031] Furthermore, the filter plate assembly includes a third filter plate 15, and a fourth support block 22 is installed on the top and bottom of the filter box 2. The four support blocks are provided with a right-angled trapezoidal groove 221, and a horizontally slidable baffle 23 is provided on the groove wall of the right-angled trapezoidal groove 221. A second spring 24 is installed between the baffle 23 and the groove wall of the right-angled trapezoidal groove 221. The third filter plate 15 is inserted into the right-angled trapezoidal groove 221, and the second spring 24 pushes the baffle 23 to make the fourth support block 22 close to the groove wall of the right-angled trapezoidal groove 221.

[0032] A right-angled trapezoidal groove 221 is selected to be opened on the fourth support block 22, and the third filter plate 15 is subsequently inserted into the right-angled trapezoidal groove 221. Subsequently, the baffle plate 23 is pushed by the second spring 24, and the second spring 24 is supported by the side wall of the right-angled trapezoidal groove 221, so that the baffle plate 23 pushes the fourth support block 22 to be tightly attached to the inclined surface of the right-angled trapezoidal groove 221, ensuring that the fourth support block 22 will not shake left and right after being inserted into the right-angled trapezoidal groove 221.

[0033] The second filter plate 14 is composed of two V-shaped filter plates spliced ​​together as a whole, and the V-shaped filter plates are fixed together as a whole.

[0034] A telescopic device 4 is installed between the air intake pipe 1 and the filter box 2. The length of the telescopic device 4 can be extended to adjust the distance between the air intake pipe 1 and the filter box 2. The telescopic device 4 can flexibly adjust the connection of the entire pipeline. Therefore, there is a certain gap between the pipelines during installation. The gap is filled later. There is a certain amount of air leakage after long-term use. Therefore, the telescopic device 4 is designed to flexibly change the overall length to connect the pipeline inlet and outlet; the telescopic structure is as follows:

[0035] The telescopic device 4 includes a first limiting ring 6 and a second limiting ring 7, the first limiting ring 6 is fixedly connected to the air intake pipe 1, the second limiting ring 7 is fixedly connected to the side wall of the filter box 2, a folding tube 5 is connected between the first limiting ring 6 and the second limiting ring 7, a screw rod 8 is fixedly connected to the second limiting ring 7, and the other end of the screw rod 8 is horizontally inserted in the first limiting ring 6, and a first nut 9 and a second nut 10 that are threadedly matched with the first limiting ring 6 are respectively provided on the two limiting rings and located on both sides of the first limiting ring 6, and a first spring 11 is provided on the screw rod 8 between the second nut 10 and the first limiting ring 6.

[0036] The first limiting ring 6 and the second limiting ring 7 are located at both ends of the folding tube 5, and the first limiting ring 6 and the second limiting ring 7 are supported by the screw rod 8, and the screw rod 8 is fixedly connected to the second limiting ring 7. The first spring 11 sleeved on the screw rod 8 uses the second limiting ring 7 as a support to push the first limiting ring 6 to move left along its axis on the screw rod 8. The first nut 9 is threadedly matched with the screw rod 8 and can be installed at the end of the screw rod 8 to constrain the first limiting ring 6 to be disconnected from the screw rod 8, and the second nut 10 is threadedly matched with the screw rod 8 and is installed on the screw rod 8 between the first limiting ring 6 and the second limiting ring 7. The second nut 10 is rotated to adjust its position on the screw rod 8 to change the position of the first spring 11 and realize the elastic change of the first spring 11.

[0037] In order to facilitate the connection with external pipelines, a first flange 16 is installed on the air inlet pipe 1, a second flange 17 is installed on the exhaust pipe 3, and a flange is installed at the inlet and outlet of the entire equipment for connecting external pipelines.

[0038] In order to install each filter plate inside the filter box 2, a filter box 2 is subsequently designed for convenient replacement of the filter plates. The filter box 2 includes a box body 201. The side wall of the box body 201 has an opening, and a cover plate 202 is installed at the opening. The cover plate 202 is connected to the box body 201 through fasteners. The fasteners are subsequently opened to disconnect the cover plate 202 from the box body 201, and then each filter plate is inserted into the corresponding support block. Finally, the fasteners are rotated to connect the cover plate 202 and the box body 201 as a whole.

[0039] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. An exhaust gas filtering device for petroleum production, characterized in that: It comprises a filter box (2), an air intake pipe (1) and an exhaust pipe (3) are respectively installed on opposite sides of the filter box (2), and at least one filter plate assembly for filtering the exhaust gas is installed in the exhaust gas flow channel inside the filter box (2); The filter plate assembly comprises a first filter plate (13) and a second filter plate (14); a first support block (19) and a second support block (20) are installed at the top and bottom of the filter box (2); the first filter plate (13) is clamped in the gap between the first support block (19) and the second support block (20); a third support block (21) is installed at the top and bottom of the filter box (2); the third support block (21) has a groove; the second filter plate (14) is clamped in the groove of the third support block (21).

2. The exhaust gas filtering device for oil production according to claim 1, characterized in that: The filter plate assembly comprises a third filter plate (15), and a fourth support block (22) is installed on the top and bottom of the filter box (2), and the four support blocks are provided with a right-angled trapezoidal groove (221). A baffle (23) capable of horizontal sliding is arranged on the groove wall of the right-angled trapezoidal groove (221), and a second spring (24) is installed between the baffle (23) and the groove wall of the right-angled trapezoidal groove (221). The third filter plate (15) is inserted into the right-angled trapezoidal groove (221), and the second spring (24) pushes the baffle (23) to make the fourth support block (22) close to the groove wall of the right-angled trapezoidal groove (221).

3. The exhaust gas filtering device for oil production according to claim 1, characterized in that: The second filter plate (14) is composed of two V-shaped filter plates spliced ​​together into a whole.

4. The exhaust gas filtering device for oil production according to claim 1, characterized in that: A telescopic device (4) is installed between the air intake pipe (1) and the filter box (2); the length of the telescopic device (4) can be telescoped to adjust the distance between the air intake pipe (1) and the filter box (2).

5. The exhaust gas filtering device for oil production according to claim 4, characterized in that: The telescopic device (4) comprises a first limiting ring (6) and a second limiting ring (7), wherein the first limiting ring (6) is fixedly connected to the air intake pipe (1), and the second limiting ring (7) is fixedly connected to the side wall of the filter box (2), a folding tube (5) is connected between the first limiting ring (6) and the second limiting ring (7), a screw rod (8) is fixedly connected to the second limiting ring (7), and the other end of the screw rod (8) is horizontally inserted into the first limiting ring (6), and a first nut (9) and a second nut (10) which are threadedly matched with the first limiting ring (6) are respectively sleeved on the two limiting rings and located on both sides of the first limiting ring (6), and a first spring (11) is sleeved on the screw rod (8) between the second nut (10) and the first limiting ring (6).

6. The exhaust gas filtering device for oil production according to claim 1, characterized in that: The air inlet pipe (1) is provided with a first flange (16), and the exhaust pipe (3) is provided with a second flange (17).

7. The exhaust gas filtering device for oil production according to claim 1, characterized in that: The filter box (2) comprises a box body (201), the side wall of the box body (201) has an opening, and a cover plate (202) is installed at the opening, and the cover plate (202) is connected to the box body (201) via a fastener.

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