A thermal power plant cooling water waste heat recovery energy-saving device

Abstract

The application relates to the technical field of auxiliary equipment for thermal power plants, and discloses a thermal power plant cooling water waste heat recovery energy-saving device, which comprises a bottom plate and first half shells, two first half shells are arranged on the upper surface of the middle part of the bottom plate, the sides close to the two first half shells are arranged in abutment, the upper ends of the two first half shells are internally fixedly provided with first half pipe bodies, the sides close to the two first half pipe bodies are arranged in abutment, the lower sides of the two first half pipe bodies are sequentially provided with a plurality of second half shells from top to bottom, the second half shells are fixedly connected through second half pipe bodies, and the sides close to the corresponding second half shells and second half pipe bodies are arranged in abutment. The thermal power plant cooling water waste heat recovery energy-saving device can replace the filter while the device is used, can reduce the equipment downtime, and greatly improves the work efficiency.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of auxiliary equipment for thermal power plants, in particular to a cooling water waste heat recovery energy-saving device for thermal power plants. BACKGROUND

[0002] The waste water generated by the thermal power plant contains some harmful solid particles, which is not convenient to directly discharge, and usually the waste water is filtered and treated, and then the high-temperature waste water is used to preheat the water for the thermal power plant. Through waste heat recovery of waste water, energy loss is reduced, but the existing waste heat recovery device for thermal power plants is not convenient to disassemble the internal filter assembly, and after long-term use, the filter assembly is easily blocked, which causes the waste water to be unable to be filtered normally.

[0003] Among them, the publication number CN213506419U discloses a cooling water waste heat recovery energy-saving device for thermal power plants, which comprises a first shell, a second shell is arranged on one side of the first shell, a second conduit is communicated with one side of the first shell, one end of the second conduit is communicated with the second shell, a fifth conduit is communicated with one side of the second shell, a third conduit is communicated with one side of the second shell, a cover plate is welded on one side of the threaded cover. In use, the first filter screen, filter element and second filter screen are arranged to filter the waste water, prevent the harmful solid particles carried therein from being directly discharged to affect the environment, and the threaded cover is arranged to enable the third shell to be removed, the threaded bolt is rotated to make one end of the threaded bolt to be removed from the third shell, the first filter screen is removed, the filter element is removed for cleaning or replacement, and the first filter screen and the second filter screen are prevented from being blocked or the filter element is prevented from being aged, so that the waste water cannot be normally treated. However, the technical solution still has defects:

[0004] In the technical solution, when replacing the filter screen, the equipment needs to be stopped and waited, and after replacing the filter screen, the equipment can continue to work, and during this period, the equipment cannot be used, which wastes a lot of time and greatly reduces the work efficiency. SUMMARY

[0005] In view of the deficiencies of the prior art, the present application provides a cooling water waste heat recovery energy-saving device for thermal power plants, which has the advantages of being able to replace the filter while using the device, reducing the downtime of the device, and greatly improving the work efficiency. The problem of the prior art that the device needs to be stopped and waited when replacing the filter screen, and after replacing the filter screen, the device can continue to work, and during this period, the device cannot be used, which wastes a lot of time and greatly reduces the work efficiency is solved.

[0006] In order to achieve the above object, the present application provides the following technical scheme: a thermal power plant cooling water waste heat recovery energy-saving device, comprising a bottom plate and a first half shell, two first half shells are arranged on the upper surface of the middle of the bottom plate, the side of the two first half shells close to each other is arranged, the upper end of the two first half shells is fixedly provided with a first half pipe body, the side of the two first half pipe bodies close to each other is arranged, the lower side of the two first half pipe bodies is sequentially provided with a plurality of second half shells from top to bottom, the second half shells are fixedly connected by a second half pipe body, the side of the corresponding second half shells and second half pipe bodies close to each other is arranged, the upper surface of the bottom plate is provided with a clamping mechanism for fixing the two first half shells, the lower side of the two first half shells is fixedly provided with a fixed shell, the outer side of the two fixed shells is provided with a filter shell, the side of the two filters close to the fixed shell is fixedly provided with a fixed pipe, the two sides of the fixed pipe are provided with a through slot, one end of the two fixed pipes extends into the corresponding fixed shell, the inside of the fixed shell is provided with a plugging mechanism, the outer side of the fixed pipe is fixedly provided with a connecting plate, and the connecting plate and the corresponding fixed shell are provided with a connecting mechanism.

[0007] Preferably, the clamping mechanism comprises a bidirectional screw rod and a belt pulley, the upper surface of the bottom plate is fixedly provided with a vertical plate on both sides, the inner side of the two vertical plates is provided with a clamping plate, the outer side wall of the two clamping plates is fixedly connected with the corresponding first half shell, the two bidirectional screw rods are arranged between the two ends of the two vertical plates, the two ends of the two bidirectional screw rods are rotatably connected with the corresponding vertical plate, the two belt pulleys are fixedly sleeved on one end of the corresponding bidirectional screw rod, the two belt pulleys are drivingly connected through a belt, the two ends of the two clamping plates are threadedly sleeved with one end of the corresponding bidirectional screw rod, and the outer side of the vertical plate on one side is provided with a motor.

[0008] Preferably, the plugging mechanism comprises a plugging ball and a sliding plate, the inside of the fixed shell is fixedly provided with a horizontal rod on both sides, the sliding plate is slidingly arranged in the inside of the fixed shell, the two ends of the sliding plate are movably sleeved with one end of the corresponding horizontal rod, the plugging ball is fixedly arranged in the inside of the sliding plate, the rod wall of the two horizontal rods is movably sleeved with a first spring, and the two ends of the two first springs are fixedly connected with the side of the corresponding sliding plate away from the fixed pipe and the inner wall of the fixed shell.

[0009] Preferably, the connecting mechanism comprises slide rods and clamping blocks, both of the slide rods are fixedly arranged on the fixed shell near both ends of the filter, both ends of the connecting plate are movably sleeved with the corresponding slide rods, both end side walls of both of the connecting plates are provided with through grooves, a cavity is formed in the slide rod away from the filter, a baffle is slidably arranged in the cavity, the clamping block is fixedly arranged on the outer side wall of the baffle, one side of the clamping block extends out of the cavity, the clamping block is matched with the through groove, a second spring is fixedly arranged on the side of the baffle away from the clamping block, and both ends of the second spring are fixedly connected with the corresponding baffle lower side away from the clamping block and the inner wall of the cavity respectively.

[0010] Preferably, the cross sections of the baffle and the cavity are square.

[0011] Preferably, the inner sides of the first half shell, the first half pipe body, the second half shell and the second half pipe body are provided with sealing pads.

[0012] Preferably, the inner side wall of the connecting plate is fixedly provided with a sealing ring.

[0013] Preferably, the interiors of both of the first half shells are fixedly provided with spiral plates.

[0014] Compared with the prior art, the present application provides a thermal power plant cooling water waste heat recovery energy-saving device, which has the following beneficial effects:

[0015] 1. The thermal power plant cooling water waste heat recovery energy-saving device, which is provided with filters on both sides of the device, when the filter on one side needs to be disassembled and replaced, the waste water discharge pipe is connected with the filter on one side, then the clamping block on the other side is pressed into the cavity, the limiting of the connecting plate is released, the corresponding slide plate is pushed to reset by the first spring, the fixed shell on the other side is blocked by the blocking ball, the filter can be replaced while the device is used, the device downtime is reduced, and the work efficiency is greatly improved.

[0016] 2. The thermal power plant cooling water waste heat recovery energy-saving device, which is driven by the motor to rotate the bidirectional screw rods, and is driven by the belt and the belt pulley to rotate the two bidirectional screw rods synchronously, so that the first half shell, the second half shell, the first half pipe body and the second half pipe body on both sides can be separated, the interiors of the first half shell, the second half shell, the first half pipe body and the second half pipe body on both sides are exposed, and the interiors of the first half shell, the second half shell, the first half pipe body and the second half pipe body on both sides are conveniently cleaned. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The present application provides a thermal power plant cooling water waste heat recovery energy-saving device structure schematic view;

[0018] Figure 2 The present application provides aFigure 1 schematic view of the internal structure of the device;

[0019] Figure 3 Figure 2 enlarged view of the A part structure of the device;

[0020] Figure 4 Figure 3 enlarged view of the B part structure of the device.

[0021] Explanation of reference signs:

[0022] 1 bottom plate, 2 first half shell, 3 clamping plate, 4 vertical plate, 5 bidirectional screw rod, 6 belt pulley, 7 belt, 8 motor, 9 first half pipe body, 10 second half shell, 11 spiral plate, 12 fixed shell, 13 filter, 14 fixed pipe, 15 sliding plate, 16 cross rod, 17 blocking ball, 18 first spring, 19 connecting plate, 20 sliding rod, 21 baffle, 22 clamping block, 23 second spring, 24 sealing ring, 25 second half pipe body. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] Please refer to Figures 1-4 , a waste heat recovery and energy saving device for cooling water of a thermal power plant, comprising a bottom plate 1 and a first half shell 2, two first half shells 2 are arranged on the upper surface of the middle part of the bottom plate 1, the two first half shells 2 are arranged side by side, the upper end of the two first half shells 2 is fixedly provided with a first half pipe body 9, the two first half pipe bodies 9 are arranged side by side, the lower side of the two first half pipe bodies 9 is sequentially provided with a plurality of second half shells 10 from top to bottom, the plurality of second half shells 10 are fixedly connected through a second half pipe body 25, the side of the plurality of corresponding second half shells 10 and the second half pipe body 25 is arranged side by side, the upper surface of the bottom plate 1 is provided with a clamping mechanism for fixing the two first half shells 2, the lower side of the two first half shells 2 is fixedly provided with a fixed shell 12, the outer side of the two fixed shells 12 is provided with a filter shell, the side of the two filters 13 close to the fixed shell 12 is fixedly provided with a fixed pipe 14, the two side walls of the fixed pipe 14 are provided with a through slot, one end of the two fixed pipes 14 extends into the inside of the corresponding fixed shell 12, the inside of the fixed shell 12 is provided with a blocking mechanism, the outer side of the fixed pipe 14 is fixedly provided with a connecting plate 19, and the connecting plate 19 and the corresponding fixed shell 12 are provided with a connecting mechanism.

[0025] ​​The clamping mechanism comprises two-way screw rods 5 and belt pulleys 6, the upper surface of the base plate 1 is fixedly provided with vertical plates 4 on both sides, the inner side of each vertical plate 4 is provided with a clamping plate 3, the outer side of each clamping plate 3 is fixedly connected with the corresponding first half shell 2, the two-way screw rods 5 are arranged between the two ends of the two vertical plates 4, the two ends of each two-way screw rod 5 are rotatably connected with the corresponding vertical plate 4, one end of each two-way screw rod 5 is fixedly sleeved with the corresponding belt pulley 6, the two belt pulleys 6 are drivingly connected through a belt 7, the two ends of each clamping plate 3 are threadedly sleeved with one end of the corresponding two-way screw rod 5, the outer side of one vertical plate 4 is provided with a motor 8, and the output end of the motor 8 is fixedly connected with one end of the corresponding two-way screw rod 5.

[0026] The blocking mechanism comprises a blocking ball 17 and a sliding plate 15, the inside of the fixed shell 12 is fixedly provided with horizontal rods 16 on both sides, the sliding plate 15 is slidingly arranged in the inside of the fixed shell 12, the two ends of the sliding plate 15 are movably sleeved with one end of the corresponding horizontal rod 16, the blocking ball 17 is fixedly arranged in the inside of the sliding plate 15, the rod wall of each horizontal rod 16 is movably sleeved with a first spring 18, and the two ends of each first spring 18 are fixedly connected with the side of the corresponding sliding plate 15 away from the fixed pipe 14 and the inner wall of the fixed shell 12.

[0027] The connecting mechanism comprises sliding rods 20 and clamping blocks 22, the two sliding rods 20 are fixedly arranged on the two ends of one side of the fixed shell 12 close to the filter 13, the two ends of the connecting plate 19 are movably sleeved with the corresponding sliding rod 20, the two end side walls of the two connecting plates 19 are provided with through grooves, the inside of the end of the sliding rod 20 away from the filter 13 is provided with a cavity, the inside of the cavity is slidingly provided with a baffle 21, the clamping block 22 is fixedly arranged on the outer side wall of the baffle 21, one side of the clamping block 22 extends outside the cavity, the clamping block 22 is matched with the through groove, the side of the baffle 21 away from the clamping block 22 is fixedly provided with a second spring 23, and the two ends of the second spring 23 are fixedly connected with the lower side of the corresponding baffle 21 away from the clamping block 22 and the inner wall of the cavity.

[0028] The cross sections of the baffle 21 and the cavity are square, so that the baffle 21 cannot rotate, that is, can stably slide.

[0029] The inner sides of the first half shell 2, the first half pipe body 9, the second half shell 10 and the second half pipe body 25 are provided with sealing pads, so as to improve the sealing performance of the connection between the two first half shells 2, the first half pipe body 9, the second half shell 10 and the second half pipe body 25.

[0030] The inner side wall of the connecting plate 19 is fixedly provided with a sealing ring 24, so as to improve the sealing performance when the connecting plate 19 contacts with the fixed shell 12.

[0031] The inside of each first half shell 2 is fixedly provided with a spiral plate 11, so as to prolong the time of wastewater passing through the first half shell 2 and make the waste heat utilization more sufficient.

[0032] In summary, the thermal power plant cooling water waste heat recovery energy-saving device, when in use, both sides of the device are provided with filter 13, when one side filter 13 needs to be disassembled and replaced, the waste water pipe is connected with one side filter 13, then the other side block 22 is pressed into the cavity, the limiting of connecting plate 19 is released, so that the first spring 18 pushes the corresponding slide plate 15 to reset, so that the blocking ball 17 blocks the other side fixed shell 12, so that the filter 13 can be replaced while using the equipment, the equipment downtime can be reduced, and the work efficiency can be greatly improved. Turn on the power supply of the motor 8, the motor 8 drives the bidirectional screw 5 to rotate, and the two bidirectional screws 5 are synchronously rotated through the belt 7 and the belt pulley 6, so that the two first half shells 2, the second half shell 10, the first half pipe body 9 and the second half pipe body 25 can be separated, so that the interiors of the two first half shells 2, the second half shell 10, the first half pipe body 9 and the second half pipe body 25 are exposed, and the interiors of the two first half shells 2, the second half shell 10, the first half pipe body 9 and the second half pipe body 25 are conveniently cleaned.

[0033] It should be noted that the term "comprising" or any other variant is intended to cover non-exclusive inclusions, such that processes, methods, articles, or apparatuses that comprise a list of elements are not limited to those elements, but can also include other elements not expressly listed, or inherent to such processes, methods, articles, or apparatuses. Without further limitation, an element defined by the phrase "comprising a" does not exclude the presence of additional identical elements in the process, method, article, or apparatus that includes the element.

[0034] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A thermal power plant cooling water waste heat recovery energy saving device, characterized in that, The utility model provides a filter device, including bottom plate (1) and first half casing (2), two first half casing (2) are arranged in the upper surface middle part of bottom plate (1), and the side of two first half casing (2) close is arranged to each other, and the lower side of two first half pipe body (9) is sequentially provided with a plurality of second half casing (10) from top to bottom, a plurality of second half casing (10) are fixedly connected through second half pipe body (25) between a plurality of second half casing (10), and the side of corresponding second half casing (10) and second half pipe body (25) close is arranged to each other, the upper surface both sides of bottom plate (1) are provided with the clamping mechanism of fixed two first half casing (2), and the lower side of two first half casing (2) is fixedly provided with fixed shell (12), and the outside of two fixed shell (12) is provided with filter (13), and the side of two filter (13) close fixed shell (12) is fixedly provided with fixed pipe (14), the both sides of fixed pipe (14) are all set up through slot, and one end of two fixed pipe (14) is all extended to the inside of corresponding fixed shell (12), the inside of fixed shell (12) is provided with the plugging mechanism, and the outside one end of fixed pipe (14) is fixedly provided with connecting plate (19), and the connecting mechanism is arranged between connecting plate (19) and corresponding fixed shell (12). The plugging mechanism includes a plug ball (17) and a sliding plate (15), the inside of the fixed shell (12) is fixedly provided with a horizontal rod (16) on both sides, the sliding plate (15) is slidingly arranged in the inside of the fixed shell (12), the both ends of the sliding plate (15) are respectively movably sleeved with one end of the corresponding horizontal rod (16), the plug ball (17) is fixedly arranged in the inside of the sliding plate (15), and the rod walls of the two horizontal rods (16) are movably sleeved with first springs (18), and the both ends of the two first springs (18) are respectively fixedly connected with the side of the corresponding sliding plate (15) away from the fixed pipe (14) and the inner wall of the fixed shell (12). The connecting mechanism includes a sliding rod (20) and a clamping block (22), the both ends of the two sliding rods (20) are fixedly arranged on the side of the fixed shell (12) close to the filter (13), the both ends of the connecting plate (19) are movably sleeved with the corresponding sliding rod (20), the both end side walls of the two connecting plates (19) are provided with through slots, the inside of the end of the sliding rod (20) away from the filter (13) is provided with a cavity, the inside of the cavity is slidingly provided with a baffle (21), the clamping block (22) is fixedly arranged on the outer side wall of the baffle (21), one side of the clamping block (22) extends outside the cavity, the clamping block (22) is matched with the through slot, the side of the baffle (21) away from the clamping block (22) is fixedly provided with a second spring (23), and the both ends of the second spring (23) are respectively fixedly connected with the lower side of the corresponding baffle (21) away from the clamping block (22) and the inner wall of the cavity.

2. A thermal power plant cooling water waste heat recovery energy saving device according to claim 1, characterized in that, The clamping mechanism comprises bidirectional lead screws (5) and pulleys (6), the upper surface of the base plate (1) is fixedly provided with vertical plates (4) on both sides, the inner sides of the two vertical plates (4) are provided with clamping plates (3), the two clamping plates (3) are fixedly connected with the outer side walls of the corresponding first half shells (2) respectively, the two bidirectional lead screws (5) are arranged between the two ends of the two vertical plates (4), the two ends of the two bidirectional lead screws (5) are rotatably connected with the corresponding vertical plates (4) respectively, the two pulleys (6) are fixedly sleeved on one end of the corresponding bidirectional lead screws (5) respectively, the two pulleys (6) are drivingly connected through a belt (7), the two ends of the two clamping plates (3) are threadedly sleeved with one end of the corresponding bidirectional lead screws (5) respectively, the outer side of the vertical plate (4) on one side is provided with a motor (8), and the output end of the motor (8) is fixedly connected with one end of the corresponding bidirectional lead screw (5).

3. A thermal power plant cooling water waste heat recovery energy saving device according to claim 1, characterized in that, The cross sections of the cavities of the baffle (21) and the slide rod (20) are square.

4. A thermal power plant cooling water waste heat recovery energy saving device according to claim 1, characterized in that, The inner sides of the first half shell (2) and the second half shell (10) are provided with sealing gaskets.

5. A thermal power plant cooling water waste heat recovery energy saving device according to claim 1, characterized in that, The inner sides of the first half pipe body (9) and the second half pipe body (25) are provided with sealing gaskets.

6. A thermal power plant cooling water waste heat recovery energy saving device according to claim 1, characterized in that, The inner side wall of the connecting plate (19) is fixedly provided with a sealing ring (24).

7. A thermal power plant cooling water waste heat recovery energy saving device according to claim 1, characterized in that, The interiors of the first half shells (2) on both sides are fixedly provided with spiral plates (11).

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