Cooling water sand and impurity removing device for steam turbine oil cooler

Abstract

The utility model relates to the technical field of cooling water sand and impurity removal for oil coolers, in particular to a cooling water sand and impurity removal device for a steam turbine oil cooler, which comprises an oil cooler, a first water inlet pipe is mounted on one side of the top of the oil cooler, a drain pipe is mounted on the other side of the top of the oil cooler, and a box is fixedly connected to the top of the oil cooler. The inner wall of the lower portion of one side of the box body is fixedly connected with one side of the outer wall of a first water inlet pipe. Through cooperation of an oil cooler, a box body, a second water inlet pipe, a first water inlet pipe, a drainage pipe, a shell, a collection box, a filter plate, a vertical cylinder, an insertion rod, a second spring, a block body and a pushing structure, the filter plate filters silt and impurities in cooling water, a transverse rod is moved leftwards, the transverse rod drives a scraper to move leftwards, and then the silt and the impurities are pushed leftwards; silt and impurities are pushed into the collecting box, so that a worker can conveniently clean the filtered silt and impurities, and the influence on the sand and impurity removal work of the cooling water due to blockage is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of sand and impurity removal of cooling water for oil coolers, in particular to a sand and impurity removal device for cooling water of a steam turbine oil cooler. Background Art

[0002] The oil cooler is a turbine oil cooling device used in conjunction with steam turbines in power systems. The oil cooler is a smooth tube surface type and uses circulating water as a medium to achieve heat exchange, thereby ensuring that the bearing inlet oil temperature reaches the specified value and ensuring the normal operation of the unit.

[0003] The oil cooler of the present invention is a kind of oil cooler for shell and tube cooler (application number: 202122355209.8), which transports hot oil through a first oil guide pipe and a second oil guide pipe, and at the same time, the water inside the water storage tank enters the inner side of the heat sink through the water delivery pipe, thereby quickly cooling the hot oil inside the first oil guide pipe and the second oil guide pipe. The above-mentioned problem still exists. When the oil cooler is in use, cooling water will be passed into the oil cooler. In order to ensure the normal cooling work, it is necessary to filter the impurities and silt in the cooling water. The above-mentioned device is provided with a filter plate in the box body. After the filter plate has filtered the impurities and silt for a certain period of time, the impurities and silt will adhere to the filter plate, which is inconvenient for the staff to clean the filtered silt and impurities, and it is easy to cause blockage, which further affects the sand and impurity removal work of the cooling water. When the filter plate is damaged, it is inconvenient for the staff to quickly install and disassemble the filter plate, and it is inconvenient for the staff to replace the filter plate. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings in the prior art that it is inconvenient for workers to clean filtered mud and impurities, which easily causes blockage, thus affecting the sand and impurity removal work of cooling water, and it is inconvenient for workers to quickly install and disassemble the filter plate, and thus it is inconvenient for workers to replace the filter plate. A cooling water sand and impurity removal device for a turbine oil cooler is proposed to solve the shortcomings in the prior art that it is inconvenient for workers to clean filtered mud and impurities, which easily causes blockage, thus affecting the sand and impurity removal work of cooling water, and it is inconvenient for workers to quickly install and disassemble the filter plate, and thus it is inconvenient for workers to replace the filter plate.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A cooling water sand and impurity removal device for a steam turbine oil cooler is designed, comprising an oil cooler, a water inlet pipe 1 is installed on one side of the top of the oil cooler, a drain pipe is installed on the other side of the top of the oil cooler, a box body is fixedly connected to the top of the oil cooler, an inner wall at a lower side of one side of the box body is fixedly connected to one side of an outer wall of the water inlet pipe 1, an outer shell is fixedly connected to one end of the box body, a collecting box is fitted in the gap of the inner wall at a lower side of one side of the outer shell, a water inlet pipe 2 is fixedly connected to the inner wall of the top of the box body, a filter plate is fitted in the gap of the inner wall at one end of the box body, and a pushing structure is provided on one side of the box body.

[0007] Preferably, the pushing structure includes a sliding rod, a top side of the sliding rod is fixedly connected to a top side of the inner wall of the box, a scraper is slidably engaged on an outer wall side of the sliding rod, a spring 1 is fixedly connected to an upper side of one side of the scraper, one end of the spring 1 is fixedly connected to an upper side of one side of the inner wall of the box, a cross bar is fixedly connected to a lower side of one side of the scraper, an outer wall side of the cross bar is gap-matched with an inner wall of an upper side of one side of the box, a straight cylinder is provided on the outer side of the spring 1, one end of the straight cylinder is fixedly connected to an upper side of one side of the inner wall of the box, and the bottom of the scraper is in contact with a top side of the filter plate.

[0008] Preferably, one end of the filter plate is fixedly connected to a vertical cylinder, and a plug rod is fitted in the gap of the bottom inner wall of the vertical cylinder.

[0009] Preferably, a block is gap-fitted below the outer wall of the insertion rod, and one end of the block is fixedly connected to the lower side of one side of the box body.

[0010] Preferably, an upper protrusion on one side of the insertion rod is gap-matched with a through groove at one end of the vertical tube.

[0011] Preferably, a second spring is fixedly connected to the top of the insertion rod, and a top of the second spring is fixedly connected to the top of the inner wall of the vertical tube.

[0012] The utility model proposes a cooling water sand and impurity removal device for a steam turbine oil cooler, and the beneficial effects are: through the cooperation of the oil cooler, the box body, the second water inlet pipe, the first water inlet pipe, the drain pipe, the shell, the collection box, the filter plate, the vertical cylinder, the plug rod, the second spring, the block body and the pushing structure, the device can filter the sand and impurities in the cooling water through the filter plate when in use, move the cross bar to the left, the cross bar drives the scraper to move to the left, and then pushes the sand and impurities to the left, and pushes the sand and impurities into the collection box, so that the staff can clean the filtered sand and impurities, and avoid blockage that affects the sand and impurity removal work of the cooling water;

[0013] Through the cooperation of the oil cooler, the box body, the second water inlet pipe, the first water inlet pipe, the drain pipe, the outer shell, the collection box, the filter plate, the vertical cylinder, the plug rod, the second spring and the block, the device can be used to move the plug rod upwards, the plug rod is removed from the groove of the block, the vertical cylinder is moved to the right, and the filter plate is taken out. When a new filter plate is inserted into the box body, the block moves the plug rod upwards. After the plug rod moves to the groove position of the block, the second spring drives the plug rod downwards, and the plug rod is inserted into the groove of the block, thereby realizing the installation and fixation of the filter plate, which is convenient for the staff to quickly install and disassemble the filter plate, and then it is convenient for the staff to replace the filter plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a structural schematic diagram of the oil cooler, drain pipe and water inlet pipe of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the box body, shell and collection box of the utility model;

[0017] Figure 4 This is a schematic diagram of the structure of the slide bar, scraper and spring of the utility model;

[0018] Figure 5 It is a schematic diagram of the vertical tube, the plug rod and the spring structure of the utility model.

[0019] In the figure: 1. oil cooler, 2. driving structure, 2a1. sliding rod, 2a2. scraper, 2a3. straight cylinder, 2a4. spring 1, 2a5. cross bar, 2b1. oblique block, 3. box body, 4. water inlet pipe 2, 5. water inlet pipe 1, 6. drain pipe, 7. outer shell, 8. collecting box, 9. filter plate, 10. vertical cylinder, 11. plug rod, 12. spring 2, 13. block body. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the accompanying drawings:

[0021] Embodiment 1:

[0022] See attached Figure 1-5In the present embodiment, a cooling water sand and impurity removal device for a steam turbine oil cooler is provided, comprising an oil cooler 1, a water inlet pipe 5 is installed on one side of the top of the oil cooler 1, a drain pipe 6 is installed on the other side of the top of the oil cooler 1, a box body 3 is fixedly connected to the top of the oil cooler 1, an inner wall below one side of the box body 3 is fixedly connected to one side of the outer wall of the water inlet pipe 5, an outer shell 7 is fixedly connected to one end of the box body 3, a collecting box 8 is fitted in the inner wall gap below one side of the outer shell 7, a handle is processed at one end of the collecting box 8, an inlet pipe 4 is fixedly connected to the top inner wall of the box body 3, a vertical cylinder 10 is fixedly connected to one end of a filter plate 9, the material and mesh number of the filter plate 9 are determined according to actual use conditions, an insert rod 11 is fitted in the inner wall gap at the bottom of the vertical cylinder 10, and one side of the bottom of the insert rod 11 is processed into an inclined surface, so that the insert rod 11 can be subjected to force. To move up and down on the bottom inner wall of the vertical cylinder 10, a block 13 is fitted in the gap below the outer wall of the rod 11, one end of the block 13 is fixedly connected to the bottom of one side of the box body 3, and the top side of the block 13 is processed into a slope, and a filter plate 9 is fitted in the gap of the inner wall at one end of the box body 3, and a rubber sleeve is fixedly connected to the inner wall at one end of the box body 3, and the rubber sleeve plays a sealing role. The upper convex block on one side of the rod 11 is fitted with the gap of the through groove at one end of the vertical cylinder 10, and a spring 2 12 is fixedly connected to the top of the rod 11. The spring 2 12 gives the rod 11 a downward force, and the top of the spring 2 12 is fixedly connected to the top of the inner wall of the vertical cylinder 10. A pushing structure 2 is provided on one side of the box body 3. The pushing structure 2 is convenient for the staff to clean the filtered mud and impurities to avoid blockage and affect the sand and impurity removal work of the cooling water.

[0023] The pushing structure 2 includes a slide bar 2a1, a top side of the slide bar 2a1 is fixedly connected to a top side of the inner wall of the box body 3, a scraper 2a2 is slidably connected to a side of the outer wall of the slide bar 2a1, and the slide bar 2a1 plays a limiting role when the scraper 2a2 is forced to move left and right. A spring 2a4 is fixedly connected to the top of one side of the scraper 2a2, and the spring 2a4 gives the scraper 2a2 a rightward force. One end of the spring 2a4 is fixedly connected to the top of one side of the inner wall of the box body 3, and the bottom of one side of the scraper 2a2 is fixedly connected to the bottom of one side of the scraper A cross bar 2a5 is connected, and one side of the outer wall of the cross bar 2a5 is gap-matched with the inner wall above one side of the box body 3. When the cross bar 2a5 is subjected to force, it can move left and right on the inner wall above one side of the box body 3. A straight cylinder 2a3 is provided on the outer side of the spring 2a4, and one end of the straight cylinder 2a3 is fixedly connected to the upper side of the inner wall of the box body 3. The bottom of the scraper 2a2 fits with the top side of the filter plate 9, which is convenient for the staff to clean the filtered mud and impurities to avoid blockage and affect the sand and impurity removal work of the cooling water.

[0024] Working principle:

[0025] First, insert the filter plate 9 into the box body 3, and the block 13 moves the insertion rod 11 upward. After the insertion rod 11 moves to the groove position of the block 13, the spring 2 12 drives the insertion rod 11 to move downward, and then the insertion rod 11 is inserted into the groove of the block 13, thereby realizing the installation and fixation of the filter plate 9, and injecting cooling water from the water inlet pipe 2 4. The filter plate 9 filters the silt and impurities in the cooling water. The filtered cooling water enters the oil cooler 1 through the water inlet pipe 1 5, and moves the cross bar 2a5 to the left. The cross bar 2a5 drives the scraper 2a2 to move to the left, and then pushes the silt and impurities to the left, and pushes the silt and impurities into the collection box 8, so that the staff can clean the filtered silt and impurities to avoid blockage that affects the sand and impurity removal work of the cooling water.

[0026] Embodiment 2:

[0027] See attached Figure 1-5 In the present embodiment, a cooling water sand and impurity removal device is provided for a steam turbine oil cooler, wherein the pushing structure 2 may further include an inclined block 2b1, the bottom of the inclined block 2b1 being fixedly connected to the bottom of the inner wall of the box body 3.

[0028] Working principle:

[0029] The arrangement of the inclined block 2b1 can guide the filtered cooling water so that the cooling water gathers on one side of the water inlet pipe 5, thereby facilitating the cooling water to completely enter the oil cooler 1.

[0030] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. A cooling water sand and impurity removal device for a steam turbine oil cooler, comprising an oil cooler (1), characterized in that: A water inlet pipe (5) is installed on one side of the top of the oil cooler (1), and a drain pipe (6) is installed on the other side of the top of the oil cooler (1). The top of the oil cooler (1) is fixedly connected to a box body (3), and the lower inner wall of one side of the box body (3) is fixedly connected to one side of the outer wall of the water inlet pipe (5). One end of the box body (3) is fixedly connected to an outer shell (7), and a collection box (8) is fitted in the inner wall gap of one side of the outer shell (7). The top inner wall of the box body (3) is fixedly connected to a water inlet pipe (4), and the inner wall gap of one end of the box body (3) is fitted with a filter plate (9), and a pushing structure (2) is provided on one side of the box body (3).

2. The cooling water sand and impurity removal device for a steam turbine oil cooler according to claim 1, characterized in that: The pushing structure (2) comprises a sliding rod (2a1), the top side of the sliding rod (2a1) is fixedly connected to the top side of the inner wall of the box body (3), the outer wall side of the sliding rod (2a1) is slidably connected with a scraper (2a2), the scraper (2a2) is fixedly connected to a spring (2a4) on the top of one side, one end of the spring (2a4) is fixedly connected to the top of one side of the inner wall of the box body (3), the scraper (2a2) is fixedly connected to a cross bar (2a5) on the bottom of one side, the outer wall side of the cross bar (2a5) is gap-matched with the inner wall on the top of one side of the box body (3), a straight tube (2a3) is provided on the outer side of the spring (2a4), one end of the straight tube (2a3) is fixedly connected to the top of one side of the inner wall of the box body (3), and the bottom of the scraper (2a2) is in contact with the top side of the filter plate (9).

3. The cooling water sand and impurity removal device for a steam turbine oil cooler according to claim 1, characterized in that: One end of the filter plate (9) is fixedly connected to a vertical cylinder (10), and a plug rod (11) is fitted in the gap of the bottom inner wall of the vertical cylinder (10).

4. The cooling water sand and impurity removal device for a steam turbine oil cooler according to claim 3, characterized in that: A block (13) is provided in a clearance fit below the outer wall of the insertion rod (11), and one end of the block (13) is fixedly connected to the lower side of one side of the box body (3).

5. The cooling water sand and impurity removal device for a steam turbine oil cooler according to claim 3, characterized in that: The upper protrusion on one side of the insertion rod (11) is clearance-matched with the through groove at one end of the vertical tube (10).

6. The cooling water sand and impurity removal device for a steam turbine oil cooler according to claim 3, characterized in that: The top of the insertion rod (11) is fixedly connected to a second spring (12), and the top of the second spring (12) is fixedly connected to the top of the inner wall of the vertical tube (10).

Images