Sieve plate mechanism for petrochemical industry

Abstract

The utility model relates to a sieve plate mechanism, belongs to the technical field of crude oil treatment, and particularly relates to a petrochemical engineering sieve plate mechanism which comprises a supporting table, a treatment box is fixedly connected to the upper surface of the supporting table, and a sieving box is slidably connected into the treatment box. The bottom-layer screen mesh is fixedly connected with the inner wall of the screening box, the inner wall of the screening box is slidably connected with an upper-layer screen mesh, the upper-layer screen mesh and the bottom-layer screen mesh are both in a slope shape, and the inclined directions of the slopes are different; the driving assembly is connected with the screening box, the back face of the treatment box is fixedly connected with a protective cover, and the driving assembly is partially located in the protective cover; according to the petrochemical engineering screening mechanism, the effects of preventing blockage, increasing the screening speed and improving the screening efficiency in the screening process are achieved, and the problem that an existing petrochemical engineering screening mechanism is low in screening efficiency is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to crude oil processing technical field especially a sieve plate mechanism for petroleum chemical industry. BACKGROUND

[0002] After the crude oil is mined, the crude oil needs to pass through multiple procedures to enter use, since there are many impurities after the crude oil is mined from the ground, the crude oil needs to be preliminarily screened.

[0003] In the prior art, a sieve plate mechanism for petroleum chemical industry is disclosed in Chinese patent No. CN212236164U, which comprises a box body, two rotating handles are movably installed on the left and right of the box body, a snap ring is fixedly installed below the two rotating handles and on the outer wall of the box body, a fixed seat is fixedly installed at the bottom of the snap ring, and an oil discharge pipe is fixedly installed inside the box body and extends to the outside of the bottom of the box body. The sieve plate mechanism for petroleum chemical industry sets a first limiting block and a second limiting block, the second limiting block is located below and left of the first limiting block, the cross section of the sieve plate is a left lower corner inclined inclined surface plate, and the length of the sieve plate is greater than the inner diameter of the box body. When the impurities block the sieve plate holes on the oil falling point, the oil can flow down the inclined surface to the unblocked sieve holes for filtering, avoiding the accumulation of oil in front of the blocked sieve holes on the sieve plate, thereby achieving the effect of shortening the residence time of the oil on the sieve plate and improving the filtering efficiency.

[0004] However, the patent still has some shortcomings. The patent actually relies only on the gravity of the crude oil for screening, but the crude oil itself is relatively viscous, and contains impurities, so the flow rate on the screen is very low. For large quantities of crude oil screening, the overall screening efficiency is affected, so a sieve plate mechanism for petroleum chemical industry is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] To solve the above technical problems, the utility model provides a sieve plate mechanism for petroleum chemical industry, which can prevent blocking during screening and improve the overall efficiency of crude oil screening.

[0006] The technical solution for achieving the purpose of the utility model is as follows: a sieve plate mechanism for petroleum chemical industry, comprising a support table, a treatment box is fixedly connected to the upper surface of the support table, a sieve moving box is slidably connected in the treatment box, and the sieve plate mechanism further comprises:

[0007] A bottom layer screen is fixedly connected to the inner wall of the sieve moving box, an upper layer screen is slidably connected to the inner wall of the sieve moving box, and the upper layer screen and the bottom layer screen are both inclined and have different inclination directions.

[0008] A driving assembly is connected to the sieve moving box, a protective cover is fixedly connected to the back of the treatment box, and the driving assembly is partially located in the protective cover.

[0009] In some embodiments, the inner wall of the processing box is slidingly connected with a hammering rod, one end of the hammering rod being fixedly connected with a hammering block.

[0010] In some embodiments, the surface of the hammering rod is sleeved with a hammering spring, one end of the hammering spring being fixedly connected to the inner wall of the processing box, and the other end of the hammering spring being fixedly connected to one side of the hammering block.

[0011] In some embodiments, the back of the processing box is open, and a supporting light rod is fixedly connected to the open inner wall, and the sieve box is slidingly connected with the supporting light rod.

[0012] In some embodiments, the driving assembly comprises a connecting rod rotationally connected to the back of the sieve box, one end of the connecting rod away from the sieve box being rotationally connected with a rotating disc, the connecting rod being eccentrically connected with the rotating disc, and the rotating disc and the connecting rod being located in the protective cover.

[0013] In some embodiments, the driving assembly further comprises a driving motor fixedly connected to the back of the protective cover, and the output end of the driving motor is coaxially fixed with the rotating disc.

[0014] In some embodiments, the bottom of the processing box is funnel-shaped, and the bottom of the processing box is provided with a discharge pipe.

[0015] Compared with the prior art, the present application has the following advantages:

[0016] Firstly, the upper sieve and the lower sieve are provided, the filtering mode of the double-layer sieve can make the device have better screening effect on crude oil, in addition, the aperture of the sieve holes of the upper sieve is larger than that of the lower sieve, and the two have different direction angles, so that the impurities that cannot pass through the sieve holes can be gathered, the cleaning is facilitated, and the detachable design of the upper sieve makes the later cleaning more simple.

[0017] Secondly, the driving assembly is provided, when the screening and filtering are performed, the driving motor drives the rotating disc to rotate, the rotating disc drives one end of the connecting rod to rotate around the rotating disc, so that the connecting rod can make the sieve box slide back and forth along the surface of the supporting light rod, so that the reciprocating screening effect is achieved, and the efficiency of screening impurities in crude oil is further improved.

[0018] Thirdly, the hammering block, the hammering rod and the hammering spring are provided, when the sieve box is driven by the driving assembly to move left and right, the hammering block on the two sides is contacted, so that the hammering block compresses the hammering spring, when the sieve box is separated from the hammering block, the hammering spring is released, so as to push the hammering block to collide with the sieve box, the sieve hole is prevented from being blocked, and the normal screening work is ensured.

[0019] Solve the existing oil chemical industry screening mechanism exists the problem of low screening efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0020] The utility model is further explained below in combination with the drawings and examples:

[0021] Figure 1 Is the main view structure schematic diagram provided by the utility model in an embodiment;

[0022] Figure 2 Is the screen (sectional view) structure schematic diagram provided by the utility model in an embodiment;

[0023] Figure 3 Is the overhead (plane) structure schematic diagram provided by the utility model in an embodiment;

[0024] Figure 4 Is the drive assembly (explosion) structure schematic diagram provided by the utility model in an embodiment.

[0025] Explanation of reference signs:

[0026] 1, support platform, 2, processing box, 3, screen moving box, 4, bottom layer screen, 5, upper layer screen, 6, drive assembly, 601, adapter rod, 602, rotating disc, 603, drive motor, 7, hammering rod, 8, hammering block, 9, hammering spring, 10, support light pole, 11, discharge pipe. DETAILED DESCRIPTION

[0027] The utility model will be described in detail below, and the technical scheme in the embodiment of the utility model is clearly and completely described. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of the utility model protection.

[0028] The utility model provides a kind of screen plate mechanism for petroleum chemical industry by improvement, and the technical scheme of the utility model is:

[0029] As shown in Figure 1 A kind of screen plate mechanism for petroleum chemical industry, including support platform 1, support platform 1 upper surface is fixedly connected with processing box 2, processing box 2 is slidably connected with screen moving box 3 in, the front side of screen moving box 3 and the front side inner wall of processing box 2 are slidably connected, further include;

[0030] The bottom layer screen 4 is fixedly connected with the inner wall of the screening box 3, the inner wall of the screening box 3 is slidably connected with the upper layer screen 5, the upper layer screen 5 and the bottom layer screen 4 are both inclined and the inclinations are different, the screen hole diameter of the upper layer screen 5 is larger than that of the bottom layer screen, and the different inclinations of the two can make the impurities that cannot pass through the screen hole gather, so that the impurities are conveniently cleaned, and the detachable design of the upper layer screen 5 makes the later cleaning more simple,

[0031] Since the crude oil generally contains many impurities and has a relatively viscous texture, the driving assembly 6 is arranged to utilize external mechanical driving to improve the screening efficiency, the driving assembly 6 is connected with the screening box 3, the back surface of the processing box 2 is fixedly connected with a protective cover, and the driving assembly 6 is partially located in the protective cover.

[0032] As shown in Figure 3 In an embodiment, the inner wall of the processing box 2 is slidably connected with a hammering rod 7, one end of the sliding rod is fixedly connected with a hammering block 8, the hammering block 8 is distributed on both sides of the screening box, the front end of the hammering block is in a spherical shape, and the material is rubber, so that the hammering deformation is prevented.

[0033] The surface of the hammering rod 7 is sleeved with a hammering spring 9, one end of the hammering spring 9 is fixedly connected with the inner wall of the processing box 2, the other end of the hammering spring 9 is fixedly connected with one side of the hammering block, when the screening box 3 is driven by the driving assembly 6 to move left and right, the hammering block 8 on both sides is contacted, so that the hammering block compresses the hammering spring 9, when the screening box 3 is separated from the hammering block, the hammering spring 9 is released, so as to push the hammering block to collide with the screening box, and the screen hole is prevented from being blocked.

[0034] As shown in Figure 2 In an embodiment, the back surface of the processing box 2 is open, the inner wall of the opening is fixedly connected with a supporting light rod 10, the rear side of the screening box 3 is integrally formed with a fixed strip, the fixed strip is matched with the opening of the back surface of the processing box 2 and is slidably connected with the opening, a sliding hole matched with the supporting light rod 10 is formed through the fixed strip, and the screening box 3 is slidably connected with the supporting light rod 10.

[0035] The driving assembly 6 comprises a connecting rod 601 rotatably connected with the back surface of the screening box 3, one end of the connecting rod 601 away from the screening box 3 is rotatably connected with a rotating disc 602, the connecting rod 601 is eccentrically connected with the rotating disc 602, when a driving motor 603 drives the rotating disc 602 to rotate, one end of the connecting rod 601 connected with the rotating disc 602 makes a circular motion around the rotating disc 602, the rotating disc 602 and the connecting rod 601 are located in the protective cover, for example, when the screening box 3 is located at the center position, one end of the connecting rod 601 connected with the rotating disc 602 is located at the lowest end or the highest end of the rotating disc 602 (located at the lowest end in the figure).

[0036] The drive assembly 6 also includes a drive motor 603 fixedly connected to the back of the protective cover, and the output end of the drive motor 603 is fixedly coaxially with the rotating disk 602.

[0037] like Figure 4 As shown, in one embodiment, the bottom of the processing box 2 is funnel-shaped, and a discharge pipe 11 is provided at the bottom of the processing box 2. A switch valve is also provided on the discharge pipe 11.

[0038] The specific working method is as follows: When the petrochemical sieve plate mechanism is used, the crude oil that needs to be screened and filtered is first poured into the sieve box 3. The crude oil will pass through the upper screen 5 and the lower screen 4 in succession. Since the upper screen 5 and the lower screen 4 are both inclined, the crude oil will automatically pass through the filter holes under gravity. The double-layer screen filtration method can make the device more effective at removing crude oil. During the screening process, the user can start the drive motor 603. The drive motor 603 drives the rotating disk 602 to rotate. The rotating disk 602 drives one end of the adapter rod 601 to rotate around the rotating disk 602, so that the adapter rod 601 can make the sieve box 3 slide back and forth along the surface of the support rod 10, thereby achieving the effect of reciprocating screening and further improving the efficiency of removing impurities from crude oil.

[0039] The technical means disclosed in this utility model are not limited to those described above, but also include technical solutions composed of equivalent substitutions of the above technical features. Matters not covered in this utility model are common knowledge to those skilled in the art.

Claims

1. A sieve plate mechanism for petrochemical applications, comprising a support platform (1), characterized in that: The upper surface of the support platform (1) is fixedly connected to a processing box (2), and a sieving box (3) is slidably connected inside the processing box (2), and also includes; Bottom screen (4), the bottom screen (4) is fixedly connected to the inner wall of the sieving box (3), the inner wall of the sieving box (3) is slidably connected to the upper screen (5), the upper screen (5) and the bottom screen (4) are both inclined and the inclinations are different; The drive assembly (6) is connected to the screening box (3). A protective cover is fixedly connected to the back of the processing box (2), and part of the drive assembly (6) is located inside the protective cover.

2. The sieve plate mechanism for petrochemical applications according to claim 1, characterized in that: A hammer rod (7) is slidably connected to the inner wall of the processing box (2), and a hammer block (8) is fixedly connected to one end of the hammer rod (7).

3. The sieve plate mechanism for petrochemical applications according to claim 2, characterized in that: The hammer rod (7) is fitted with a hammer spring (9) on its surface. One end of the hammer spring (9) is fixedly connected to the inner wall of the processing box (2), and the other end of the hammer spring (9) is fixedly connected to one side of the hammer block.

4. The sieve plate mechanism for petrochemical applications according to claim 1, characterized in that: The processing box (2) has an opening on the back and a support rod (10) is fixedly connected to the inner wall of the opening. The sieving box (3) is slidably connected to the support rod (10).

5. A sieve plate mechanism for petrochemical applications according to claim 1, characterized in that: The drive assembly (6) includes a transfer rod (601) rotatably connected to the back of the screen box (3). A rotating disk (602) is rotatably connected to one end of the transfer rod (601) away from the screen box (3). The transfer rod (601) and the rotating disk (602) are eccentrically connected. Both the rotating disk (602) and the transfer rod (601) are located inside the protective cover.

6. A sieve plate mechanism for petrochemical applications according to claim 5, characterized in that: The drive assembly (6) also includes a drive motor (603) fixedly connected to the back of the protective cover, and the output end of the drive motor (603) is fixedly coaxially with the rotating disk (602).

7. A sieve plate mechanism for petrochemical applications according to claim 1, characterized in that: The bottom of the treatment box (2) is funnel-shaped, and a discharge pipe (11) is provided at the bottom of the treatment box (2).

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