CN218011506U - Novel steam-water separator device of vacuum belt dehydration system of thermal power factory - Google Patents

Novel steam-water separator device of vacuum belt dehydration system of thermal power factory Download PDF

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Publication number
CN218011506U
CN218011506U CN202221427685.4U CN202221427685U CN218011506U CN 218011506 U CN218011506 U CN 218011506U CN 202221427685 U CN202221427685 U CN 202221427685U CN 218011506 U CN218011506 U CN 218011506U
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vacuum
wall
pipe
thermal power
shell
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CN202221427685.4U
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李翠平
魏智泉
王玉贤
王敏
劳玉婷
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GUANGDONG SONGSHAN POLYTECHNIC COLLEGE
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GUANGDONG SONGSHAN POLYTECHNIC COLLEGE
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Abstract

The utility model discloses a novel device of catch water of thermal power factory vacuum belt dewatering system, concretely relates to catch water field, install the vacuum pump including the upper end of shell body, the turbine is installed to the inner chamber of vacuum pump, and the output of turbine is connected with the lead screw, and the outer wall fixedly connected with gear wheel of lead screw, single tooth are installed to the gear wheel, and the bottom of vacuum pump is provided with the boss, and its technical essential is: the vacuum main pipe is arranged on the outer wall of the outer shell, the port of the vacuum main pipe penetrates through the wall of the outer shell and is located in the inner cavity of the outer shell, the port position of the vacuum main pipe is provided with a branch pipe which is an exhaust pipe and a filtrate pipe respectively, the vacuum state of a vacuum pipeline and the inner cavity of an air suction pump is guaranteed, the inner cavities of the outer shell and the inner shell are not in the vacuum state, the problem that the inner lining of a filtrate system drain pipe and a thin drain pipe is aged, the inner lining is easy to bulge when the vacuum degree is high is solved, the drain pipe is internally reduced, and the drainage effect is poor.

Description

Novel steam-water separator device of vacuum belt dehydration system of thermal power factory
Technical Field
The utility model relates to a catch water technical field, more specifically says, the utility model relates to a novel device of catch water of vacuum belt dewatering system of thermal power factory.
Background
The steam-water separator is one of the most important devices in a high-temperature gas cooled reactor in the fourth generation nuclear power technology, and the design and manufacturing level of the steam-water separator have great influence on the operation safety and the economical efficiency of a nuclear power plant.
The liquid separated by the steam-water separator contains a small amount of impurities, the inner cavity of a filtrate removal system needs to be cleaned regularly, a large amount of slurry is generated after long-time accumulation, and the drainage is long and difficult to find, so that the unsmooth drainage can be generated; the inside lining of drain pipe is ageing, and the inside lining is easy to bulge when vacuum is high, and the drain pipe is inside to diminish, and the drainage effect is poor, can lead to the separator tube liquid level to uprise, and vacuum is lower, and equipment work is normal, and catch water level switch is bad, can appear the false alarm, and the vacuum pump tripping operation is the vacuum pump damage even, to sum up, all can lead to the unable normal work of vacuum belt system.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a novel device of catch water of thermal power factory vacuum belt dewatering system, outer wall installation through the shell body sets up the vacuum manifold, the conch wall that the port of vacuum manifold runs through the shell body is located the inner chamber of shell body, vacuum manifold's port position department is provided with the takeover, be thin drain pipe and filtrate pipe respectively, the inner chamber that keeps shell body and interior casing all is not vacuum state, prevent because filtrate system drain pipe and thin drain pipe lining are ageing, the easy swell of inside lining when vacuum is high, the inside diminishing of drain pipe, the poor problem of drainage effect, in order to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a novel steam-water separator device of a vacuum belt dehydration system of a thermal power plant comprises an outer shell, wherein an inner shell is arranged inside the outer shell, a base is arranged at the lower end of the outer shell, a vacuum pump is arranged at the upper end of the outer shell, a turbine is arranged in an inner cavity of the vacuum pump, the output end of the turbine is connected with a lead screw, a large gear is fixedly connected to the outer wall of the lead screw, and single teeth are arranged on the outer wall of the large gear;
a circular boss is arranged at the bottom end of the vacuum pump, a middle shaft is arranged at the center of the lower end face of the circular boss, and a pinion is sleeved on the outer side of the middle shaft;
and a filtrate system drain pipe is arranged in the middle of the bottom end of the outer shell.
In a preferred embodiment, the pinion comprises an upper inner shaft, a lower inner shaft and gear teeth, and a sliding cavity is formed in the pinion and is provided with the connecting block in a sliding mode.
In a preferred embodiment, the lower end surface of the upper inner shaft and the upper end surface of the lower inner shaft are attached to each other, and the connecting block is fixedly inserted into the upper inner shaft.
In a preferred embodiment, a section of threaded key groove is formed in the position, on the outer side of the middle shaft, flush with the bottom end of the large gear, and silica gel blocks are mounted at the positions, on the upper end and the lower end, of the middle shaft.
In a preferred embodiment, three sets of springs are arranged between the pinion and the circular boss, and the lower end of the pinion is provided with a scraper which is consistent with the shape of the inner wall of the outer shell.
In a preferred embodiment, a vacuum manifold is installed on the outer wall of the outer shell, the vacuum manifold penetrates through the wall of the outer shell, a tap pipe, namely an exhaust pipe and a filtrate pipe, is arranged at a port of the vacuum manifold, a port of the exhaust pipe is connected to the inside of the vacuum pump, and a port of the filtrate pipe is connected to the inside of the inner shell.
In a preferred embodiment, the inner housing is configured to be a cylinder shape which is through from top to bottom, an upper port of the inner housing is fixed to an outer wall of the screw rod, a lower port of the inner housing is a thin drain pipe, six fan blades are installed on a portion of the screw rod located in an inner cavity of the inner housing, the inner housing is provided with a plurality of sieve holes, and a bearing bush is installed on an outer side of the thin drain pipe.
The utility model discloses a technological effect and advantage:
1. the utility model discloses an installation sets up the vacuum manifold at the outer wall of shell body, the port of vacuum manifold runs through the conch wall of shell body and is located the inner chamber of shell body, the port position department of vacuum manifold is provided with the takeover, be blast pipe and filtrate pipe respectively, guaranteed that vacuum pipe and aspiration pump's inner chamber keep the vacuum state, and the inner chamber of shell body and interior casing is not all vacuum state, prevent because filtrate system drain pipe and thin drainage pipe lining age, the inside lining is easy to bulge when the vacuum is high, the inside diminish of drain pipe, the poor problem of drainage effect;
2. the utility model discloses a gear wheel, pinion and scraper blade, when the vacuum pump was opened, the turbine rotated and drove the gear wheel to reciprocating motion about making the pinion appear drives the scraper blade and is scraping the inner wall of rubbing the shell body repeatedly, keeps the inside cleanness of casing.
Drawings
Fig. 1 is a schematic view of the overall structure of the novel device of the steam-water separator of the present invention.
Fig. 2 is a schematic view of the structure of the inner shell of the novel device of the steam-water separator of the present invention.
Fig. 3 is a schematic structural view of the gear wheel and the pinion of the present invention linking with each other.
Fig. 4 is an enlarged view of a partial structure a of fig. 2 according to the present invention.
Fig. 5 is an enlarged view of a partial structure B of fig. 3 according to the present invention.
The reference signs are: 1. an outer housing; 2. a vacuum pump; 3. a base; 4. a filtrate system drain pipe; 5. a vacuum manifold; 6. a screw rod; 7. bearing bushes; 8. a squeegee; 9. an inner housing; 10. a thin drain pipe; 11. an exhaust pipe; 12. a filtrate pipe; 13. a bull gear; 1301. single tooth; 14. a pinion gear; 1401. an upper inner shaft; 1402. a lower inner shaft; 1403. gear teeth; 15. a spring; 16. a silica gel block; 17. a circular boss; 18. connecting blocks; 19. a slide chamber; 20. a middle shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1 to 5 of the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Example 1: an inner shell 9 is installed inside the outer shell 1, a base 3 is installed at the lower end of the outer shell 1, a vacuum pump 2 is installed at the upper end of the outer shell 1, a turbine is installed in an inner cavity of the vacuum pump 2, the output end of the turbine is connected with a screw rod 6, a large gear 13 is fixedly connected to the outer wall of the screw rod 6, and a single tooth 1301 is installed on the outer wall of the large gear 13;
referring to fig. 4 and 5, a circular boss 17 is arranged at the bottom end of the vacuum pump 2, a middle shaft 20 is installed at the center position of the lower end face of the circular boss 17, and a pinion 14 is sleeved on the outer side of the middle shaft 20;
referring to fig. 1, a filtrate system drain pipe 4 is installed at the middle position of the bottom end of the outer shell 1.
In a specific operation, when the vacuum pump 2 is used for pumping air, the turbine inside the vacuum pump 2 continuously rotates, the screw rod 6 continuously rotates, the large gear 13 sleeved on the screw rod 6 rotates along with the screw rod, and the large gear 13 is provided with the single tooth 1301, so that the large gear 13 and the small gear 14 are in a meshed state, but it should be noted that the overlapped parts between the large gear 13 and the small gear 14 are few, and when the large gear 13 rotates to drive the small gear 14 to rotate, the large gear 13 and the small gear 14 are separated from each other.
Referring to fig. 3 and 5, the pinion 14 includes an upper inner shaft 1401, a lower inner shaft 1402 and gear teeth 1403, a sliding cavity 19 is opened inside the pinion 14, and the connecting block 18 is slidably mounted in the sliding cavity 19.
Referring to fig. 4 and 5, the lower end surface of the upper inner shaft 1401 and the upper end surface of the lower inner shaft 1402 are attached to each other, and the connecting block 18 is fixedly inserted into the upper inner shaft 1401.
Referring to fig. 4 and 5, a section of threaded key slot is formed in the outer side of the middle shaft 20 and at the position flush with the bottom end of the large gear 13, and the silica gel blocks 16 are mounted at the upper end and the lower end of the middle shaft 20.
Referring to fig. 3 and 5, three sets of springs 15 are provided between the pinion 14 and the circular boss 17, and a scraper 8 is provided at the lower end of the pinion 14, and the scraper 8 has a shape corresponding to the shape of the inner wall of the outer case 1.
In a specific operation, the pinion 14 comprises an upper inner shaft 1401, a lower inner shaft 1402 and gear teeth 1403, and the connection between the upper inner shaft 1401 and the lower inner shaft 1402 is performed by sliding connection of a connecting block 18 in a sliding cavity 19, which shows that the lower inner shaft 1402 can rotate at the lower end of the upper inner shaft 1401, when the gear teeth 1403 are impacted by a single tooth 1301, the pinion 14 moves up and down because the pinion 14 is meshed with a middle shaft 20, wherein the movement of the upper inner shaft 1401 is up and down, the movement of the lower inner shaft 1402 is up and down in a rotating manner, three sets of springs 15 are arranged at the upper end of the upper inner shaft 1401, the purpose is that when the pinion 14 rotates downwards, the pinion 14 is separated from a big gear 13, the elastic force generated by the springs 15 tends to move upwards to rotate upwards, when the pinion 14 rotates to overlap the big gear 13, the small gear is impacted again to reciprocate, and the middle shaft 20 is provided with the silica gel blocks 16 at the positions at the upper end and the lower end of the threaded key groove, so as to prevent the pinion 14 from being excessively large impact force and blocking phenomenon, wherein the inner shaft 1401 is a limiting base, the inner shaft 15 is provided with a circular spring 1401, and the purpose of preventing the pinion 14 from rotating and the pinion 14 from rotating up and rotating, but the rotating of the telescopic rod 15 from being twisted.
In embodiment 2, referring to fig. 1 and 2, a vacuum manifold 5 is installed on an outer wall of an outer casing 1, a branch pipe is provided at a port of the vacuum manifold 5 penetrating through a wall of the outer casing 1, the branch pipe is an exhaust pipe 11 and a filtrate pipe 12, a port of the exhaust pipe 11 is connected to an inside of the vacuum pump 2, and a port of the filtrate pipe 12 is connected to an inside of an inner casing 9.
Referring to fig. 1 and 2, the inner housing 9 is configured to be a cylindrical shape which is through from top to bottom, an upper port of the inner housing 9 is fixed on an outer wall of the screw rod 6, a lower port of the inner housing 9 is a thin drain pipe 10, six fan blades are installed on a portion of the screw rod 6 located in an inner cavity of the inner housing 9, the inner housing 9 is provided with a plurality of sieve holes, and a bearing bush 7 is installed on an outer side of the thin drain pipe 10.
In a specific operation, before the steam-water separator of the thermal power plant separates the slurry, the slurry is sent to the filter cloth of the vacuum belt dehydrator, the filter cloth is sent through a heavy rubber belt, the rubber belt is transversely provided with a groove and a through hole in the middle to enable the liquid to be sucked into the vacuum box, the filtrate and the air are simultaneously pumped to the vacuum main pipe 5, the port position of the vacuum main pipe 5 is provided with a branch pipe which is an exhaust pipe 11 and a filtrate pipe 12 respectively to separate the air and the water, the air enters the exhaust pipe 11 and is connected with the vacuum pump 2 at the top end, the slurry enters the inner shell 9 through the filtrate pipe 12, the lower end in the inner shell 9 is provided with a thin drain pipe 10, the thin drain pipe 10 is positioned at the inner ring of the filtrate system drain pipe 4 and is not attached to the inner ring of the filtrate system drain pipe 4, when the slurry enters the inner shell 9, part of the liquid directly flows out through the thin drain pipe 10, the inner wall of the inner shell 9 is impacted by other liquid due to the rotation of the fan blades to generate vibration, dust on the inner wall of the inner shell 9 is removed, wherein a large amount of liquid is sprayed to the inner wall of the outer shell 1 in a sieve hole of the inner shell 9, the inner wall of the outer shell 1 is knocked and rebounds to the outer wall of the inner shell 9, and the vibration is repeated to cause fine vibration of the outer shell 1 and the inner shell 9, so that the dust adhered to the inner wall of the outer shell 1 and the inner wall of the inner shell 9 is moved and is separated by the flowing belt of water flow, the problem that the dust and dirt are adhered to the outer shell 1 and the inner shell 9 is solved, the lower end of a pinion 14 is connected with a scraper 8, and longer bristles are arranged on the outer side of the scraper 8, wherein the scraper 8 is positioned on one side of the inner cavity of the outer shell 1, the distance between the scraper 8 and the inner wall of the outer shell 1 is different, so that the bristles are at least the maximum distance between the scraper 8 and the inner wall of the outer shell 1, when the pinion 14 reciprocates, the scraper 8 also brushes and scrapes the inner wall of the outer shell 1 in a reciprocating manner, and finally, the bearing bush 7 is movably mounted on the outer side of the inner shell 9, the inside of the bearing bush 7 is provided with balls, and the outer wall of the bearing bush 7 is connected with the bottom end of the scraper 8, so that the scraper is convenient to scrape.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a novel device of catch water of vacuum belt dewatering system of thermal power factory, includes shell body (1), its characterized in that: an inner shell (9) is installed in an inner cavity of the outer shell (1), a base (3) is installed at the lower end of the outer shell (1), a vacuum pump (2) is installed at the upper end of the outer shell (1), a turbine is installed in the inner cavity of the vacuum pump (2), the output end of the turbine is connected with a screw rod (6), a large gear (13) is fixedly connected to the outer wall of the screw rod (6), and a single tooth (1301) is installed on the outer wall of the large gear (13); a circular boss (17) is arranged at the bottom end of the vacuum pump (2), a middle shaft (20) is installed at the center of the lower end face of the circular boss (17), and a pinion (14) is sleeved on the outer side of the middle shaft (20); and a filtrate system drain pipe (4) is arranged in the middle of the bottom end of the outer shell (1).
2. The novel steam-water separator device of the vacuum belt dewatering system of the thermal power plant according to claim 1, characterized in that: the pinion (14) comprises an upper inner shaft (1401), a lower inner shaft (1402) and gear teeth (1403), a sliding cavity (19) is formed in the pinion (14), and a connecting block (18) is installed in the sliding cavity (19) in a sliding mode.
3. The novel steam-water separator device of the vacuum belt dewatering system of the thermal power plant according to claim 2, characterized in that: the lower end face of the upper inner shaft (1401) and the upper end face of the lower inner shaft (1402) are attached to each other, and the connecting block (18) is fixedly inserted into the upper inner shaft (1401).
4. The novel steam-water separator device of the vacuum belt dewatering system of the thermal power plant according to claim 1, characterized in that: a section of threaded key groove is formed in the position, on the outer side of the middle shaft (20), flush with the bottom end of the large gear (13), and silica gel blocks (16) are mounted at the positions, located at the upper end and the lower end of the threaded key groove, of the middle shaft (20).
5. The novel steam-water separator device of the vacuum belt dewatering system of the thermal power plant according to claim 1, characterized in that: three groups of springs (15) are arranged between the pinion (14) and the circular boss (17), a scraper (8) is arranged at the lower end of the pinion (14), and the shape of the scraper (8) is consistent with that of the inner wall of the outer shell (1).
6. The novel steam-water separator device of the vacuum belt dewatering system of the thermal power plant according to claim 1, characterized in that: vacuum main (5) are installed to the outer wall of shell body (1), vacuum main (5) run through in the conch wall of shell body (1), the port position department of vacuum main (5) is provided with the takeover, is blast pipe (11) and filtrate pipe (12) respectively, the port of blast pipe (11) inserts the inside of vacuum pump (2), the inside of interior casing (9) is inserted to filtrate pipe (12) port.
7. The novel steam-water separator device of the vacuum belt dewatering system of the thermal power plant according to claim 6, characterized in that: interior casing (9) set up to the cylindric that link up from top to bottom, the upper end mouth of interior casing (9) is fixed in the outer wall of lead screw (6), the lower port of interior casing (9) is thin drain pipe (10), six flabellums are installed to the part that lead screw (6) are located interior casing (9) inner chamber, a plurality of sieve meshes have been seted up in interior casing (9), axle bush (7) are installed in the outside of thin drain pipe (10).
CN202221427685.4U 2022-06-09 2022-06-09 Novel steam-water separator device of vacuum belt dehydration system of thermal power factory Active CN218011506U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221427685.4U CN218011506U (en) 2022-06-09 2022-06-09 Novel steam-water separator device of vacuum belt dehydration system of thermal power factory

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221427685.4U CN218011506U (en) 2022-06-09 2022-06-09 Novel steam-water separator device of vacuum belt dehydration system of thermal power factory

Publications (1)

Publication Number Publication Date
CN218011506U true CN218011506U (en) 2022-12-13

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CN202221427685.4U Active CN218011506U (en) 2022-06-09 2022-06-09 Novel steam-water separator device of vacuum belt dehydration system of thermal power factory

Country Status (1)

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CN (1) CN218011506U (en)

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