Two-stage minus one intermediate flash bottom oil heat exchanger

Abstract

The utility model discloses a flash bottom oil two-stage minus one intermediate heat exchanger, and relates to the technical field of heat exchangers. A flash bottom oil two-section minus one middle heat exchanger comprises a heat exchanger body, a cover plate is installed at one end of the heat exchanger body, two symmetrical supporting plates are fixed to the lower end of the heat exchanger body, a containing plate is fixed to the lower ends of the supporting plates, a discharge pipe is fixed to the upper end of the heat exchanger body, and a filter box is fixed to the end, away from the cover plate, of the heat exchanger body. A fixed pipe is fixed to the end, away from the cover plate, of the filter box. A filter mechanism is arranged between the filter box and the heat exchanger body. And particles such as chippings in liquid and gas are filtered, cleaned and collected through the filtering mechanism, the situation that the particles such as the chippings are attached to the interior of the heat exchanger body is reduced, the influence on the heat exchange efficiency and the service life is reduced, and use of the heat exchanger is facilitated.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of heat exchangers, in particular to a heat exchanger in a two-stage reduction of flash bottom oil. BACKGROUND

[0002] The petrochemical equipment is also called a petrochemical device, and the petrochemical device is a short name of a petroleum and chemical device. The petrochemical device refers to a series of devices used in a series of processes from oil drilling and mining to transportation and processing into a chemical product, and mainly includes static devices such as tower devices, heat exchangers, reactors, storage tanks and various shell devices and dynamic devices for conveying media.

[0003] The existing Chinese public patent (authorization announcement number: CN220472410U) discloses an easy-to-maintain heat exchanger for petrochemical equipment, which comprises a bottom plate and a heat exchanger body. The top of the fixed plate is fixedly installed with a support seat. The heat exchanger body is fixedly installed with two clamping blocks extending into the support seat. The outer side of the support seat is fixedly installed with two installation covers. The inner wall of the installation cover is fixedly installed with a ring plate. The outer side of the installation cover is inserted with a pull rod extending into the installation cover. The upper and lower sides of the pull rod are fixedly installed with limiting blocks extending into the inner wall of the installation cover. The end of the pull rod close to the inner wall of the installation cover is rotatably installed with a movable rod extending to the other side of the ring plate. The other end of the movable rod is fixedly installed with a movable block in sliding connection with the inner wall of the installation cover. The easy-to-maintain heat exchanger for petrochemical equipment is convenient for disassembling the heat exchanger body for maintenance, simple to operate and time-saving and labor-saving, and greatly improves the maintenance efficiency of the heat exchanger.

[0004] In use of the heat exchanger, the heat exchanger is used for heat exchange, and part of the heat of the hot fluid is transferred to the cold fluid passing through the pipeline to perform cold and hot exchange through heat transfer between the liquid and the gas. However, in use of the above device, there are debris, smoke dust and other particulate matters in the liquid and the gas, which are easily attached to the inner wall of the heat exchanger pipeline to form dirt, which is inconvenient to clean, and further easily affects the heat exchange efficiency and service life of the heat exchanger, and is inconvenient for use of the heat exchanger. Content of the utility model

[0005] The application aims to solve the problem that debris, smoke dust and other particulate matters in the liquid and the gas are easily attached to the inner wall of the heat exchanger pipeline to form dirt, which is inconvenient to clean, and further easily affects the heat exchange efficiency and service life of the heat exchanger, and is inconvenient for use of the heat exchanger. The application provides a heat exchanger in a two-stage reduction of flash bottom oil.

[0006] In order to achieve the above-mentioned purpose, the application specifically adopts the following technical scheme:

[0007] The flash bottom oil two-stage one-reduction heat exchanger comprises a heat exchanger body, a cover plate is arranged at one end of the heat exchanger body, two symmetrical support plates are fixed at the lower end of the heat exchanger body, a placing plate is fixed at the lower end of the support plates, a discharge pipe is fixed at the upper end of the heat exchanger body, a filter box is fixed at the end of the heat exchanger body away from the cover plate, a fixed pipe is fixed at the end of the filter box away from the cover plate, and a filtering mechanism is arranged between the filter box and the heat exchanger body.

[0008] By adopting the above technical scheme, the filtering mechanism filters, cleans and collects the debris and other particulate matters in the liquid and gas, reduces the debris and other particulate matters adhered to the heat exchanger body, reduces the influence on the heat exchange efficiency and service life, and facilitates the use of the heat exchanger.

[0009] Further, the filtering mechanism comprises a filter plate arranged in the filter box, a collecting box is arranged at the lower end of the side surface of the filter plate, the collecting box corresponds to the filter plate, and a cleaning assembly is arranged between the filter plate and the collecting box.

[0010] By adopting the above technical scheme, the debris and other particulate matters are filtered and intercepted, and the collecting box collects the debris.

[0011] Further, the cleaning assembly comprises a motor fixed on the filter box, a screw rod is fixedly connected to the output end of the motor and extends into the filter box, a cleaning plate is threadedly connected to the screw rod, and a limiting piece is arranged between the cleaning plate and the filter box.

[0012] By adopting the above technical scheme, the motor drives the screw rod to rotate, the screw rod drives the cleaning plate to move, the debris and other particulate matters are cleaned, the filter plate is prevented from being blocked, and the use of the heat exchanger is facilitated.

[0013] Further, the limiting piece comprises cleaning brushes fixed on the side surface of the cleaning plate and arranged in an array, the cleaning brushes are in contact with the filter plate, a limiting column is arranged at the end of the cleaning plate away from the screw rod, the limiting column is fixedly connected to the filter box, the limiting column slidably penetrates through the cleaning plate, and the cleaning plate corresponds to the collecting box.

[0014] By adopting the above technical scheme, the cleaning plate is limited on the limiting column.

[0015] Further, the collecting box and the filter box are fixed by bolts, the collecting box is located at the lower end of the filter box and extends out of the filter box, and one end of the filter plate extends out of the filter box and is fixed by bolts.

[0016] By adopting the above technical scheme, when the filter plate needs to be replaced, the bolts on the filter plate are unscrewed, the filter plate is pulled out, a new filter plate is replaced, the collecting box is removed, the collecting box is cleaned, and then the collecting box is reset, so that the staff can clean and replace the filter plate.

[0017] Further, the side of the cover plate is fixed with a limiting plate, the limiting plate is arc-shaped, a limiting groove is formed on the limiting plate corresponding to the position of the heat exchanger body, the limiting plate is located in the limiting groove, and a fixing hole is formed on the limiting plate.

[0018] By adopting the above technical scheme, the cover plate drives the limiting plate to move out of the limiting groove, so that the heat exchanger body is easily opened, and the equipment elements in the heat exchanger body are easily replaced and maintained.

[0019] Further, the two sides of the heat exchanger body are fixed with limiting blocks, a fixing column is slidably arranged in the limiting block, one end of the fixing column is fixed with a spring, the end of the spring away from the fixing column is fixedly connected with the limiting block, the end of the fixing column away from the spring extends out of the limiting block and extends into the heat exchanger body, the fixing column extends into the fixing hole, a handle is fixed on the fixing column, and the handle slides through the limiting block.

[0020] By adopting the above technical scheme, the handle moves to drive the fixing column to move, the fixing column moves to compress the spring, the fixing column moves out of the fixing hole, the limiting of the limiting plate is released, and the equipment elements in the heat exchanger body are replaced and maintained.

[0021] Further, a sealing block is arranged between the cover plate and the heat exchanger body, the sealing block is fixedly connected with the cover plate, and the sealing block is a flexible rubber pad.

[0022] By adopting the above technical scheme, the pad is a flexible rubber pad, the cover plate and the heat exchanger body are easily sealed, and the heat exchanger body is easily used.

[0023] In summary, the present application has at least one of the following beneficial effects:

[0024] 1. When the heat exchanger is used, the filter plate filters the entering liquid and gas, filters and intercepts the debris and particles, at the same time, the motor is started again, the motor rotates to drive the screw to rotate, the screw rotates to drive the cleaning plate to move, the cleaning brush to move, the surface of the filter plate is cleaned, the debris and other particles are brought into the collection box by the cleaning brush, the debris is collected, the blockage of the filter plate is reduced, at the same time, the cleaning plate slides on the limiting column to limit the cleaning plate, the filter mechanism filters, cleans and collects the debris and other particles in the liquid and gas, reduces the contamination of the debris and other particles in the heat exchanger body, reduces the influence on the heat exchange efficiency and service life, facilitates cleaning, and facilitates the use of the heat exchanger.

[0025] 2. In the use of heat exchanger, pull the handle, the handle moves the fixed column to move, the fixed column moves to make the spring compression, the fixed column moves out of the fixed hole, the restriction of the limiting plate is released, pull the cover plate to drive the limiting plate to move out of the limiting groove, it is convenient to open the heat exchanger body, the equipment elements in it are replaced and maintained, after finishing, the limiting plate is inserted into the limiting groove, the spring force makes the fixed column enter the fixed hole, the cover plate is limited, it is convenient to open the heat exchanger body, the equipment elements in it are replaced and maintained, it is convenient to use the heat exchanger body. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is the three-dimensional structure schematic diagram of the heat exchanger in the application.

[0027] Figure 2 It is the first internal structure schematic diagram of the heat exchanger in the application.

[0028] Figure 3 It is the second internal structure schematic diagram of the heat exchanger in the application.

[0029] Figure 4 It is the third internal structure schematic diagram of the heat exchanger in the application.

[0030] Figure 5 It is the enlarged structure schematic diagram of A in the application. Figure 4

[0031] BRIEF DESCRIPTION OF DRAWINGS

[0032] 1, heat exchanger body; 2, support plate; 3, cover plate; 4, placement plate; 5, discharge pipe; 6, filter box; 7, motor; 8, filter plate; 9, screw; 10, cleaning plate; 11, cleaning brush; 12, collection box; 13, limiting column; 14, limiting block; 15, fixed column; 16, spring; 17, handle; 18, limiting plate; 19, sealing block; 20, limiting groove. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings of the application Figures 1-5 The application is further described in detail.

[0034] The embodiment of the application discloses a flash bottom oil two-stage reduction one heat exchanger.

[0035] Refer to Figure 1 The flash bottom oil two-stage reduction one heat exchanger includes a heat exchanger body 1, the heat exchanger body 1 is provided with a cover plate 3 at one end, the heat exchanger body 1 is fixed with two symmetrical support plates 2 at the lower end, the lower end of the support plate 2 is fixed with a placement plate 4, the heat exchanger body 1 is fixed with a discharge pipe 5 at the upper end, the heat exchanger body 1 is fixed with a filter box 6 away from the cover plate 3, the filter box 6 is fixed with a fixed pipe away from the cover plate 3, and a filter mechanism is arranged between the filter box 6 and the heat exchanger body 1. ​

[0036] In use of the heat exchanger, the working personnel can connect the external equipment with the discharge pipe 5, and then connect the liquid and gas which need to be exchanged with the fixed pipe through the external pipe, and the solid or liquid enters the filter box 6, and the filter mechanism filters, cleans and collects the debris and other particles in the liquid and gas, reduces the debris and other particles adhered to the heat exchanger body 1, reduces the influence on the heat exchange efficiency and service life, facilitates the use of the heat exchanger, and is discharged through the discharge pipe 5.

[0037] With reference to Figure 1 and Figure 2 , the filter mechanism comprises a filter plate 8 arranged in the filter box 6, the filter plate 8 is provided with a collecting box 12 at the lower end of the side surface, the collecting box 12 corresponds to the filter plate 8, and a cleaning assembly is arranged between the filter plate 8 and the collecting box 12. The cleaning assembly comprises a motor 7 fixed on the filter box 6, the output end of the motor 7 extends into the filter box 6 and is fixedly connected with a screw rod 9, the screw rod 9 is threadedly connected with a cleaning plate 10, and a limiting piece is arranged between the cleaning plate 10 and the filter box 6. The limiting piece comprises cleaning brushes 11 fixed on the side surface of the cleaning plate 10 and arranged in an array, the cleaning brushes 11 are in contact with the filter plate 8, a limiting column 13 is arranged at the end of the cleaning plate 10 away from the screw rod 9, the limiting column 13 is fixedly connected with the filter box 6, the limiting column 13 slidably penetrates through the cleaning plate 10, and the cleaning plate 10 corresponds to the collecting box 12. The collecting box 12 and the filter box 6 are fixedly connected through bolts, the collecting box 12 is located at the lower end of the filter box 6 and extends out of the filter box 6, and one end of the filter plate 8 extends out of the filter box 6 and is fixedly connected through bolts.

[0038] In use of the heat exchanger, when the liquid and gas enter the filter box 6, the filter plate 8 filters the entering liquid and gas and filters and intercepts the debris and particles therein, simultaneously, the motor 7 is started again, the motor 7 rotates to drive the screw rod 9 to rotate, the screw rod 9 rotates to drive the cleaning plate 10 to move, the cleaning brushes 11 are driven to move, the surface of the filter plate 8 is cleaned, the debris and other particles are brought into the collecting box 12 through the cleaning brushes 11, the debris is collected, the blockage of the filter plate 8 is reduced, simultaneously, the cleaning plate 10 slides on the limiting column 13 to limit the cleaning plate 10, when the filter plate 8 needs to be replaced, the bolts on the filter plate 8 are unscrewed, the limitation of the filter plate 8 is removed, the filter plate 8 is pulled out, a new one is replaced, the bolts on the collecting box 12 are screwed again, the collecting box 12 is taken down, cleaned and reset, which facilitates the cleaning and replacement of the working personnel, the filter mechanism filters, cleans and collects the debris and other particles in the liquid and gas, reduces the debris and other particles adhered to the heat exchanger body 1, reduces the influence on the heat exchange efficiency and service life, and facilitates the use of the heat exchanger.

[0039] With reference to Figures 3-5The side of the cover plate 3 is fixed with a limiting plate 18 which is arc-shaped and has a limiting groove 20 corresponding to the position of the heat exchanger body 1, and the limiting plate 18 is located in the limiting groove 20 and has a fixing hole. The heat exchanger body 1 is fixed with a limiting block 14 on each side, and the limiting block 14 is slidably provided with a fixing column 15, one end of the fixing column 15 is fixed with a spring 16, the end of the spring 16 away from the fixing column 15 is fixedly connected with the limiting block 14, the end of the fixing column 15 away from the spring 16 extends out of the limiting block 14 and into the heat exchanger body 1, the fixing column 15 extends into the fixing hole, and the fixing column 15 is fixed with a handle 17 which slidably penetrates the limiting block 14. A sealing block 19 is arranged between the cover plate 3 and the heat exchanger body 1, the sealing block 19 is fixedly connected with the cover plate 3, and the sealing block 19 is a flexible rubber pad.

[0040] The implementation principle of the heat exchanger in the second stage of the flash oil reduction one is as follows: when the heat exchanger is used, the external device is connected with the discharge pipe 5, and the liquid and gas to be exchanged are connected with the fixed pipe through the external pipeline, and the solid or liquid enters the filter box 6 and is discharged from the discharge pipe 5 through the adjustment of the heat exchanger body;

[0041] When the heat exchanger is used, the filter plate 8 filters the entering liquid and gas and filters and intercepts the debris and particulate matters in the liquid and gas, and meanwhile, the motor 7 is started, the motor 7 rotates to drive the screw rod 9 to rotate, the screw rod 9 rotates to drive the cleaning plate 10 to move and drive the cleaning brush 11 to move, the surface of the filter plate 8 is cleaned, the debris and particulate matters are brought into the collection box 12 through the cleaning brush 11, the debris is collected, the blockage of the filter plate 8 is reduced, the cleaning plate 10 slides on the limiting column 13 to limit the cleaning plate 10, when the filter plate 8 needs to be replaced, the bolts on the filter plate 8 are unscrewed, the filter plate 8 is pulled out, a new filter plate 8 is replaced, the collection box 12 is unscrewed, cleaned and reset, and the cleaning and replacement of the staff are facilitated;

[0042] When the heat exchanger is used, the handle 17 is pulled to move the fixing column 15, the fixing column 15 moves to compress the spring 16, the fixing column 15 moves out of the fixing hole to release the limitation of the limiting plate 18, the limiting plate 18 is pulled to move out of the limiting groove 20 to facilitate the opening of the heat exchanger body 1 and the replacement and maintenance of the equipment elements in the heat exchanger body 1, after the completion, the limiting plate 18 is inserted into the limiting groove 20, the elastic force of the spring 16 makes the fixing column 15 enter the fixing hole to limit the cover plate 3, meanwhile, the pad block is in contact with the heat exchanger body 1, the pad block is a flexible rubber pad, the cover plate 3 is sealed with the heat exchanger body 1, and the use of the heat exchanger body 1 is facilitated.

Claims

1. A flash bottom oil two-stage heat exchanger, comprising a heat exchanger body (1), characterized in that: A cover plate (3) is installed at one end of the heat exchanger body (1). Two symmetrical support plates (2) are fixed at the lower end of the heat exchanger body (1). A placement plate (4) is fixed at the lower end of the support plate (2). A discharge pipe (5) is fixed at the upper end of the heat exchanger body (1). A filter box (6) is fixed at the end of the heat exchanger body (1) away from the cover plate (3). A fixing pipe is fixed at the end of the filter box (6) away from the cover plate (3). A filtration mechanism is provided between the filter box (6) and the heat exchanger body (1).

2. The flash bottom oil two-stage heat exchanger according to claim 1, characterized in that: The filtration mechanism includes a filter plate (8) disposed in a filter box (6), and a collection box (12) is disposed at the lower side of the filter plate (8). The collection box (12) corresponds to the filter plate (8), and a cleaning component is disposed between the filter plate (8) and the collection box (12).

3. The flash bottom oil two-stage heat exchanger according to claim 2, characterized in that: The cleaning assembly includes a motor (7) fixed on the filter box (6), the output end of the motor (7) extends into the filter box (6) and is fixedly connected to a screw (9), a cleaning plate (10) is threaded onto the screw (9), and a limiting member is provided between the cleaning plate (10) and the filter box (6).

4. The flash bottom oil two-stage heat exchanger according to claim 3, characterized in that: The limiting component includes cleaning brushes (11) fixed to the side of the cleaning plate (10) and arranged in an array. The cleaning brushes (11) are in contact with the filter plate (8). A limiting post (13) is provided at one end of the cleaning plate (10) away from the screw (9). The limiting post (13) is fixedly connected to the filter box (6). The limiting post (13) slides through the cleaning plate (10). The cleaning plate (10) corresponds to the collection box (12).

5. The flash bottom oil two-stage heat exchanger according to claim 4, characterized in that: The collection box (12) is fixed to the filter box (6) by bolts. The collection box (12) is located at the lower end of the filter box (6) and extends out of the filter box (6). One end of the filter plate (8) extends out of the filter box (6) and is fixed by bolts.

6. The flash bottom oil two-stage heat exchanger according to claim 1, characterized in that: A limiting plate (18) is fixed on the side of the cover plate (3). The limiting plate (18) is arc-shaped. A limiting groove (20) is opened on the limiting plate (18) corresponding to the position of the heat exchanger body (1). The limiting plate (18) is located in the limiting groove (20). A fixing hole is opened on the limiting plate (18).

7. The flash bottom oil two-stage heat exchanger according to claim 1, characterized in that: Both sides of the heat exchanger body (1) are fixed with limiting blocks (14). A fixing post (15) is slidably arranged inside the limiting block (14). A spring (16) is fixed at one end of the fixing post (15). The end of the spring (16) away from the fixing post (15) is fixedly connected to the limiting block (14). The end of the fixing post (15) away from the spring (16) extends out of the limiting block (14) and into the heat exchanger body (1). The fixing post (15) extends into the fixing hole. A handle (17) is fixed on the fixing post (15). The handle (17) slides through the limiting block (14).

8. The flash bottom oil two-stage heat exchanger according to claim 1, characterized in that: A sealing block (19) is provided between the cover plate (3) and the heat exchanger body (1). The sealing block (19) is fixedly connected to the cover plate (3) and is a flexible rubber pad.

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