Petrochemical engineering pipeline valve

Abstract

The utility model discloses a petrochemical engineering pipeline valve, which belongs to the technical field of valves and comprises a pipe body, a fixing cylinder is fixedly mounted in the middle of the pipe body, a connecting plate is mounted on the outer surface of the fixing cylinder, a fixing plate is further mounted on the outer surface of the fixing cylinder, and a sealing plate is slidably connected into the fixing cylinder. And a cleaning mechanism is arranged in the connecting plate. According to the petrochemical engineering pipeline valve, the outer surface of the sealing plate is scraped through the dirt removing mechanism so that attachments on the sealing plate can be scraped off, meanwhile, the sealing plate drives the sealing mechanism to seal the dirt removing mechanism, the scraped attachments are prevented from being taken away by flowing petroleum, and the service life of the petrochemical engineering pipeline valve is prolonged. And the attachments are cleaned out through the dismantling mechanism, so that the effect of cleaning the attachments is achieved, and the problems that the attachments are easily washed away by petroleum, and blockage is easily caused when the attachments move to a next valve or a pipeline elbow are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of valve, especially relates to a petroleum chemical industry pipeline valve. BACKGROUND

[0002] Petroleum is a kind of organic matter that is formed under specific geological conditions by fossil remains of ancient organisms after long geological action, liquid and combustible, can be used for power generation, heating and driving vehicles, is very important resource, after exploitation, petroleum needs to be transported by pipeline to facilitate the delivery of petroleum to the corresponding position, valve is generally installed on pipeline, they are responsible for cutting off, regulating, guiding, preventing backflow, stabilizing pressure, shunting or overflow function, is very important for the safety, stability and economic operation of petrochemical production.

[0003] The existing pipeline valve is generally twisted to drive the sealing plate in the valve to open or close to facilitate the flow and cut-off of petroleum in the pipeline, after long-term use, the impurities in the petroleum will adhere to the sealing plate due to long-term contact between the petroleum and the sealing plate, if not cleaned in time, the adhering matter will hinder the movement of the sealing plate, thereby affecting the normal opening and closing work of the valve, therefore, the impurities on the sealing plate need to be cleaned.

[0004] According to the search, the pipeline valve for petroleum chemical industry disclosed by CN221170816U is scraped off by the scraper when the sealing plate moves upward, so that the sealing plate is in a clean state, thereby solving the problem that the adhering matter hinders the movement of the sealing plate and affects the normal opening and closing work of the valve, but after being scraped off by the scraper, the adhering matter remains on the scraper and is washed away by the petroleum, since the adhering matter is viscous solid, when the adhering matter moves to the next valve or pipe elbow, it is easy to cause blockage and other problems, in order to solve the technical problem, the utility model provides a pipeline valve for petroleum chemical industry. UTILITY MODEL CONTENTS

[0005] The main purpose of the utility model is to provide a pipeline valve for petroleum chemical industry, which can effectively solve the problems mentioned in the background art.

[0006] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0007] The utility model provides a kind of petrochemical pipeline valve, including pipe body, the middle part of the pipe body is fixedly installed with fixed cylinder, the outer surface of the fixed cylinder is installed with connecting plate, the outer surface of the fixed cylinder is also installed with fixed plate, the inside of the fixed cylinder is slidably connected with sealing plate, the inside of the connecting plate is provided with cleaning mechanism, the upper portion of the cleaning mechanism is provided with removal mechanism, one end of the sealing plate is provided with sealing mechanism, the inside of the connecting plate is provided with sliding slot, the outer surface of the sliding slot is slidably connected with sealing plate, the side of the sealing plate away from sealing mechanism is rotatably connected with threaded rod, and the end of the threaded rod is provided with control mechanism.

[0008] Preferably, the end of the pipe body is installed with a mounting plate, and a plurality of through holes are formed in the inner wall of the mounting plate.

[0009] Preferably, the cleaning mechanism includes a cavity formed in the inside of the connecting plate, and a scraper and a first sealing strip are arranged in the inside of the cavity.

[0010] Preferably, the outer surface of the scraper is fixedly connected with the connecting plate, one side surface of the scraper is fixedly connected with the first sealing strip, and the outer surfaces of the scraper and the first sealing strip are slidably connected with the sealing plate.

[0011] Preferably, the removal mechanism includes a cover plate, a sealing ring is fixedly connected to the lower surface of the cover plate, and the outer surface of the cover plate is detachably connected with the connecting plate.

[0012] Preferably, the sealing mechanism includes a movable plate, one side surface of the movable plate is fixedly connected with the sealing plate, and a second sealing strip is installed on the outer surface of the movable plate.

[0013] Preferably, two sealing grooves are formed in the inner wall of the fixed cylinder, and the inner walls of the sealing grooves are slidably connected with the second sealing strip and the movable plate.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] In the utility model, when the valve is opened, the cleaning mechanism scrapes the outer surface of the sealing plate to scrape off the attachments on the sealing plate, and the sealing mechanism is driven by the sealing plate to seal the cleaning mechanism, so that the scraped attachments are prevented from being carried away by the flowing oil, the attachments are separated from the flowing oil, the attachments are cleaned out through the removal mechanism, the attachments are cleaned, and the problems of easy removal of attachments by oil, easy blockage of the next valve or pipe elbow, etc.

[0016] The utility model discloses a kind of petroleum chemical pipeline valve structures, including pipe body, fixed cylinder, connecting plate, fixed plate, sealing plate, cleaning mechanism, removal mechanism, sealing mechanism, sliding groove, threaded rod, control mechanism, mounting plate and through-hole. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic diagram of the utility model one kind petroleum chemical pipeline valve;

[0018] Figure 2 It is the sectional view of the utility model one kind fixed plate in petroleum chemical pipeline valve;

[0019] Figure 3 It is the sectional view of the utility model one kind connecting plate in petroleum chemical pipeline valve;

[0020] Figure 4 It is the sectional view of the utility model one kind fixed cylinder in petroleum chemical pipeline valve;

[0021] Figure 5 It is the sectional view of the utility model one kind cover plate in petroleum chemical pipeline valve.

[0022] In the drawing: 1, pipe body;2, fixed cylinder;3, connecting plate;4, fixed plate;5, sealing plate;6, cleaning mechanism;601, cavity;602, scraper;603, first sealing strip;7, removal mechanism;701, cover plate;702, sealing ring;8, sealing mechanism;801, movable plate;802, second sealing strip;803, sealing groove;9, sliding groove;10, threaded rod;11, control mechanism;12, mounting plate;13, through-hole. DETAILED DESCRIPTION

[0023] To make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0024] For example, Figures 1-5As shown, a kind of petrochemical pipeline valve, including pipe body 1, the middle part of pipe body 1 is fixedly installed with fixed cylinder 2, pipe body 1 is made of two sections, with fixed cylinder 2 integrally formed, connecting plate 3 is installed on the outer surface of fixed cylinder 2, fixed plate 4 is also installed on the outer surface of fixed cylinder 2, sealing plate 5 is slidably connected in the inside of fixed cylinder 2, cleaning mechanism 6 is arranged in the inside of connecting plate 3, cleaning mechanism 6 includes cavity 601, cavity 601 is opened in the inside of connecting plate 3, first sealing strip 603 and scraper 602 are arranged in the inside of cavity 601, the outer surface of scraper 602 is fixedly connected with connecting plate 3, one side of scraper 602 is fixedly connected with first sealing strip 603, the outer surface of scraper 602 and first sealing strip 603 is slidably connected with sealing plate 5, the adherend on sealing plate 5 can be scraped off by scraping the outer surface of sealing plate 5 by scraper 602, the sealing property between sealing plate 5 and scraper 602 is increased by arranging second sealing strip 802 on one side of scraper 602, to prevent oil overflow.

[0025] The upper side of cleaning mechanism 6 is provided with removal mechanism 7, removal mechanism 7 includes cover plate 701, the lower surface of cover plate 701 is fixedly connected with sealing ring 702, the outer surface of cover plate 701 is detachably connected with connecting plate 3, cover plate 701 is fixed by bolt with connecting plate 3, and can be removed when needed.

[0026] One end of sealing plate 5 is provided with sealing mechanism 8, sealing mechanism 8 includes movable plate 801, one side of movable plate 801 is fixedly connected with sealing plate 5, the outer surface of movable plate 801 is provided with second sealing strip 802, two sealing grooves 803 are opened in the inner wall of fixed cylinder 2, the inner wall of sealing groove 803 is slidably connected with second sealing strip 802 and movable plate 801, the width of sealing groove 803 is larger than that of sealing plate 5, and is adapted to the width of movable plate 801.

[0027] The inside of connecting plate 3 is provided with sliding groove 9, the outer surface of sliding groove 9 is slidably connected with sealing plate 5, screw rod 10 is rotatably connected to the side of sealing plate 5 away from sealing mechanism 8, control mechanism 11 is arranged at the end of screw rod 10, control mechanism 11 is composed of motor, worm and worm gear, etc., can drive screw rod 10 to rotate and slide outward, so as to drive sealing plate 5 to slide, which is the same as the scheme in the pipeline valve for petroleum chemical industry with publication number CN221170816U, and is prior art, mounting plate 12 is installed at the end of pipe body 1, a plurality of through holes 13 are opened in the inner wall of mounting plate 12, when valve is installed, mounting plate 12 and through hole 13 are fixed with external pipeline, to increase stability.

[0028] It should be noted that when the device needs to be opened, the control mechanism 11 is used to adjust the threaded rod 10 so that the threaded rod 10 drives the sealing plate 5 close to the inside of the chute 9, and at the same time the scraper 602 scrapes the outer surface of the sealing plate 5 to scrape off the attachments on the sealing plate 5. At the same time, the sealing plate 5 drives the movable plate 801 to slide out from the inside of one of the sealing grooves 803, and then enters the sealing groove 803 near the scraper 602. The sealing groove 803 is sealed by the movable plate 801 and the second sealing strip 802, so that the oil flows into the cavity 601. Isolation is performed to prevent attachments on the outer surface of the scraper 602 from being carried away by the flowing oil, thereby achieving the effect of separating the attachments from the flowing oil. When the valve is closed, the oil stops flowing and the attachments are stored in the cavity 601. When the attachments need to be cleaned after long-term use, the valve is opened to seal the cavity 601, the bolts on the cover plate 701 are tightened, and the cover plate 701 is removed from the connecting plate 3, so that an opening appears above the cavity 601. The attachments inside the cavity 601 are cleaned out at the opening, thereby achieving the effect of cleaning the attachments.

[0029] A sealing ring 702 is provided to increase the sealing between the cover plate 701 and the connecting plate 3 to prevent oil from overflowing. A second sealing strip 802 is provided on one side of the scraper 602 to increase the sealing between the sealing plate 5 and the scraper 602 to prevent oil from overflowing. The second sealing strip 802 is then used to seal the interior of the sealing groove 803, thereby forming a sealed space in the cavity 601, thereby isolating it from the outside world. When the valve is installed, it is fixed to the external pipeline through the mounting plate 12 and the through hole 13 to increase stability.

[0030] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A petrochemical pipeline valve, comprising a pipe body (1), characterized in that: A fixed cylinder (2) is fixedly installed in the middle of the tube body (1), a connecting plate (3) is installed on the outer surface of the fixed cylinder (2), a fixed plate (4) is also installed on the outer surface of the fixed cylinder (2), a sealing plate (5) is slidably connected inside the fixed cylinder (2), a dirt cleaning mechanism (6) is arranged inside the connecting plate (3), a dismantling mechanism (7) is arranged above the dirt cleaning mechanism (6), a sealing mechanism (8) is arranged at one end of the sealing plate (5), a sliding groove (9) is opened inside the connecting plate (3), the outer surface of the sliding groove (9) is slidably connected to the sealing plate (5), a threaded rod (10) is rotatably connected to the side of the sealing plate (5) away from the sealing mechanism (8), and a control mechanism (11) is arranged at the end of the threaded rod (10).

2. The petrochemical pipeline valve according to claim 1, characterized in that: A mounting plate (12) is installed at the end of the tube body (1), and a plurality of through holes (13) are provided on the inner wall of the mounting plate (12).

3. The petrochemical pipeline valve according to claim 1, characterized in that: The cleaning mechanism (6) comprises a cavity (601), the cavity (601) is opened inside the connecting plate (3), and a scraper (602) and a first sealing strip (603) are provided inside the cavity (601).

4. The petrochemical pipeline valve according to claim 3, characterized in that: The outer surface of the scraper (602) is fixedly connected to the connecting plate (3), one side of the scraper (602) is fixedly connected to the first sealing strip (603), and the outer surfaces of the scraper (602) and the first sealing strip (603) are slidably connected to the sealing plate (5).

5. The petrochemical pipeline valve according to claim 4, characterized in that: The dismantling mechanism (7) comprises a cover plate (701), a sealing ring (702) is fixedly connected to the lower surface of the cover plate (701), and the outer surface of the cover plate (701) is detachably connected to the connecting plate (3).

6. The petrochemical pipeline valve according to claim 1, characterized in that: The sealing mechanism (8) comprises a movable plate (801), one side of the movable plate (801) is fixedly connected to the sealing plate (5), and a second sealing strip (802) is installed on the outer surface of the movable plate (801).

7. The petrochemical pipeline valve according to claim 6, characterized in that: Two sealing grooves (803) are provided on the inner wall of the fixed cylinder (2), and the inner walls of the sealing grooves (803) are slidably connected to the second sealing strip (802) and the movable plate (801).

Images