Steam turbine circulating cooling machine with anti-blocking capability

Abstract

The invention discloses a steam turbine circulating cooling machine with anti-blocking capability, which relates to the field of cooling devices and comprises a water tank, a filtering mechanism, a circulating pump and a heat dissipation mechanism, a filtering mechanism is arranged at the bottom of the water tank, a circulating pump is arranged on one side of the filtering mechanism, a heat dissipation mechanism is arranged on one side of the circulating pump, and an auxiliary cooling mechanism is arranged on one side of the heat dissipation mechanism. According to the steam turbine circulating cooling machine with the anti-blocking capacity, impurities in the filter holes of the filter plate are pushed out through the convex rod rollers, the impurities are scraped to the sealing blocking plate through the sealing scraping plate, and then the steam turbine circulating cooling machine with the anti-blocking capacity is subjected to anti-blocking; water is fed into the multiple sets of heat conduction pipes, the fan blows air to dissipate heat, and then the heat dissipation effect of the steam turbine circulating cooling machine with the anti-blocking capacity is enhanced; according to the steam turbine circulating cooling machine with the anti-blocking capacity, cooling is carried out on a refrigerant flowing through the heat exchanger, heat exchange cooling is carried out on water flow flowing through the heat exchanger, and then cooling is assisted by the steam turbine circulating cooling machine with the anti-blocking capacity.

Description

Technical Field

[0001] The invention relates to the technical field of cooling devices, and in particular to a steam turbine circulating cooler with anti-blocking capability. Background Art

[0002] In thermal power plants, the operation of steam turbines requires circulating coolers to use a large amount of circulating water for cooling and heat exchange to ensure the stable operation of the power generation system. The existing steam turbine circulating coolers still have certain defects when in use, such as:

[0003] Announcement No.: CN218894686U, proposes: a cooling water circulation device for the operation of an electric steam turbine, which relates to the field of cooling water circulation devices, including a cooling cylinder, a water inlet fixedly connected to the cooling cylinder, a water outlet fixedly connected to the cooling cylinder, a filter fixedly connected to the inner side of the cooling cylinder, an anti-blocking mechanism arranged in the cooling cylinder, and a plurality of evenly distributed heat dissipation copper sheets welded to the outside of the cooling cylinder. The utility model provides a cooling water circulation device for the operation of an electric steam turbine, which is used for basic filtering of cooling water by arranging a filter in the cooling cylinder, and then an anti-blocking mechanism is arranged in the cooling cylinder, and the water inlet enters, and the water flow drives the impeller to rotate, and the impeller drives the brush to rotate through the rotating shaft, so that the brush scratches the surface of the filter, so that the impurities trapped by the filter can be moved to prevent them from being stuck on the mesh of the filter, causing the filter to be blocked, thereby causing poor circulation of cooling water.

[0004] In the above document: water flow is used to drive the impeller to rotate, and the impeller drives the brush to rotate to prevent the filter from being blocked, and then impurities remain in the cooling cylinder. As the impurities continue to accumulate, the brush will be unable to rotate. Based on this, a steam turbine circulating cooler with anti-blocking capability is specially proposed to solve the above problem. Summary of the invention

[0005] The object of the present invention is to provide a steam turbine circulating cooler with anti-blocking capability to solve the problems raised by the above-mentioned background technology.

[0006] To achieve the above object, the present invention provides the following technical solution: a steam turbine circulating cooler with anti-blocking capability, comprising: a water tank, a filtering mechanism, a circulating pump and a heat dissipation mechanism;

[0007] A filtering mechanism is provided at the bottom of the water tank, a circulating pump is provided on one side of the filtering mechanism, a heat dissipation mechanism is provided on one side of the circulating pump, and an auxiliary cooling mechanism is provided on one side of the heat dissipation mechanism;

[0008] The filtering mechanism includes: a filter box, a filter plate, a blockage removal motor, a blockage removal threaded rod, a U-shaped plate, a protruding rod roller, a collection box, a trough body, an electric push rod, a sealing blockage plate, a scraping motor, a scraping threaded rod and a sealing scraper. The bottom of the water tank is connected to the filter box by bolts, the inner wall of the filter box is connected to the filter plate, and the bottom of the filter box is connected to the circulation pump through a pipeline, one side of the filter box is connected to the blockage removal motor through a motor seat, the output end of the blockage removal motor passes through the inner wall of the filter box through a sealed bearing and is connected to the blockage removal threaded rod, and the blockage removal threaded rod is rotatably connected to the inner wall of the filter box.

[0009] Preferably, a U-shaped plate is threadedly connected to the unblocking threaded rod, the U-shaped plate is slidably connected to the bottom of the inner wall of the filter box, and a convex rod roller is rotatably connected inside the U-shaped plate, and the convex rod roller is meshingly connected to the bottom of the filter plate.

[0010] Preferably, a collection box is slidably penetrated through the front part of the inner wall of the filter box, a trough body is arranged above the collection box, the trough body is installed through one side of the inner wall of the filter box, and an electric push rod is installed through one side of the inner wall of the trough body, one side of the electric push rod is connected to a sealing plug, and the sealing plug is slidably connected in the trough body.

[0011] Preferably, a scraping motor is connected to a side of the filter box away from the unblocking motor through a motor seat, and an output end of the scraping motor is connected to a scraping threaded rod through a sealed bearing that passes through the inner wall of the filter box. The scraping threaded rod is rotatably connected to one side of the inner wall of the filter box, and a sealing scraper is threadedly connected to the scraping threaded rod, and the sealing scraper abuts between the upper surface of the filter plate and the upper inner wall of the filter box.

[0012] Preferably, the heat dissipation mechanism includes: a shunt pipe, a support, a rectangular frame, a heat conducting plate, a heat conducting pipe, a fan, a branch pipe, a combined branch pipe and a parallel flow pipe. The side of the circulation pump away from the filter box is connected to the shunt pipe, a support is provided above the shunt pipe, the upper surface of the support is connected to the rectangular frame, the inner wall of the rectangular frame is connected to the heat conducting plate, the heat conducting pipe is penetrated through the heat conducting plate, and the rear of the rectangular frame is connected to the fan.

[0013] Preferably, a branch pipe is connected to the outer side of the shunt pipe, the branch pipe is connected to the bottom of the support platform, and the branch pipe passes through the support platform and the inner wall of the rectangular frame and is connected to the heat conduction pipe.

[0014] Preferably, one end of the heat conducting pipe away from the branch pipe is connected to a combined branch pipe, and the combined branch pipe passes through the inner wall of the rectangular frame and is connected to a parallel flow pipe.

[0015] Preferably, the auxiliary cooling mechanism includes: a heat exchanger, a temperature sensor, a protective shell, a compressor, an infusion tube, a condenser, an expansion valve, a liquid outlet pipe and a liquid inlet pipe. One side of the parallel flow pipe is connected to the heat exchanger, and temperature sensors are installed through the inner walls of the water inlet and the water outlet on one side of the heat exchanger.

[0016] Preferably, a protective shell is provided on the side of the heat exchanger away from the parallel flow tube, a compressor is connected to the inner wall of the protective shell, an infusion tube is connected above the compressor, a condenser is connected to the other end of the infusion tube, and the condenser is connected to the inner wall of the protective shell.

[0017] Preferably, the side of the heat exchanger away from the parallel flow pipe is connected to an expansion valve, one side of the expansion valve is connected to a liquid outlet pipe, and the liquid outlet pipe penetrates the inner wall of the protective shell and is connected to the condenser;

[0018] One side of the compressor is connected with a liquid inlet pipe, and the liquid inlet pipe penetrates the inner wall of the protective shell and is connected to one side of the heat exchanger.

[0019] Compared with the prior art, the beneficial effects of the present invention are as follows: the steam turbine circulating cooler with anti-blocking capability pushes out impurities in the filter holes of the filter plate by the convex rod roller, and the impurities are scraped onto the sealing blocking plate by the sealing scraper, thereby allowing the steam turbine circulating cooler with anti-blocking capability to prevent blocking; water is sent into multiple groups of heat conduction pipes and the fans blow air to dissipate heat, thereby enhancing the heat dissipation effect of the steam turbine circulating cooler with anti-blocking capability; the refrigerant flowing through the heat exchanger is cooled and the water flowing through the heat exchanger is cooled by heat exchange, thereby allowing the steam turbine circulating cooler with anti-blocking capability to assist in cooling.

[0020] 1. The steam turbine circulating cooler with anti-blocking capability filters the water passing through the filter box through the filter plate, starts the anti-blocking motor to drive the anti-blocking threaded rod to rotate, and drives the convex rod roller to move along the bottom of the filter plate to push out the impurities in the filter holes of the filter plate, and at the same time starts the scraping motor to drive the sealing scraper to scrape the impurities pushed out of the filter plate onto the sealing plugging plate, starts the electric push rod to pull the sealing plugging plate into the tank body, and drops the sewage and impurities into the collecting box, so that the steam turbine circulating cooler with anti-blocking capability can prevent blockage;

[0021] 2. The steam turbine circulating cooler with anti-blocking capability sends water into multiple groups of branch pipes through the shunt pipe, and then enters the heat transfer pipe, transfers the heat of the water to the heat transfer pipe and the heat transfer sheet, and the fan blows air to dissipate the heat, cools the water passing through the heat transfer pipe, and thus enhances the heat dissipation effect of the steam turbine circulating cooler with anti-blocking capability;

[0022] 3. The steam turbine circulating cooler with anti-blocking capability starts the compressor to heat and pressurize the refrigerant, which then enters the condenser to dissipate heat and cool down, and then flows through the expansion valve to release pressure for cooling, and heat-exchanges and cools the water flowing through the heat exchanger, thereby allowing the steam turbine circulating cooler with anti-blocking capability to assist in cooling. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0024] Figure 2 It is a schematic diagram of the main structure of the present invention;

[0025] Figure 3 This is a schematic diagram of the main cross-sectional structure of the filter box of the present invention;

[0026] Figure 4 This is a schematic diagram of the three-dimensional cross-sectional structure of the filter box of the present invention;

[0027] Figure 5 This is a schematic diagram of the three-dimensional structure of the branch pipe of the present invention;

[0028] Figure 6 It is a schematic diagram of the three-dimensional structure of the fan of the present invention;

[0029] Figure 7 It is a schematic diagram of the three-dimensional structure of the heat exchanger of the present invention;

[0030] Figure 8 It is a schematic diagram of the three-dimensional structure of the compressor of the present invention.

[0031] In the figure: 1, water tank; 2, filter mechanism; 201, filter box; 202, filter plate; 203, blockage removal motor; 204, blockage removal threaded rod; 205, U-shaped plate; 206, convex rod roller; 207, material collection box; 208, tank body; 209, electric push rod; 210, sealing block plate; 211, scraping motor; 212, scraping threaded rod; 213, sealing scraper; 3, circulation pump; 4, heat dissipation mechanism; 401, diversion Tube; 402, support platform; 403, rectangular frame; 404, heat conducting sheet; 405, heat conducting pipe; 406, fan; 407, branch pipe; 408, combined branch pipe; 409, parallel flow pipe; 5, auxiliary cooling mechanism; 501, heat exchanger; 502, temperature sensor; 503, protective shell; 504, compressor; 505, liquid infusion pipe; 506, condenser; 507, expansion valve; 508, liquid outlet pipe; 509, liquid inlet pipe. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] See also Figure 1-Figure 4 The present invention provides a technical solution: a steam turbine circulating cooler with anti-blocking capability, comprising: a water tank 1, a filter mechanism 2, a circulating pump 3 and a heat dissipation mechanism 4. The filter mechanism 2 is arranged at the bottom of the water tank 1, the circulating pump 3 is arranged on one side of the filter mechanism 2, the heat dissipation mechanism 4 is arranged on one side of the circulating pump 3, and the auxiliary cooling mechanism 5 is arranged on one side of the heat dissipation mechanism 4. The filter mechanism 2 comprises: a filter box 201, a filter plate 202, a blockage removal motor 203, a blockage removal threaded rod 204, a U-shaped plate 205, a protruding rod roller 206, a collection box 207, a trough body 208, an electric push rod 209, a sealing block plate 210, a scraping motor 211, a scraping threaded rod 212 and a sealing scraper 213. The bottom of the water tank 1 is connected to the filter box 201 by bolts, the filter plate 202 is connected to the inner wall of the filter box 201, and the bottom of the filter box 201 The filter box 201 is connected to the circulation pump 3 through a pipeline. A plugging motor 203 is connected to one side of the filter box 201 through a motor seat. The output end of the plugging motor 203 passes through the inner wall of the filter box 201 through a sealed bearing and is connected to a plugging threaded rod 204. The plugging threaded rod 204 is rotatably connected to the inner wall of the filter box 201. A U-shaped plate 205 is threadedly connected to the plugging threaded rod 204. The U-shaped plate 205 is slidably connected to the bottom of the inner wall of the filter box 201, and the U-shaped plate 205 is rotatably connected to the inner wall of the filter box 201. A convex rod roller 206 is connected, and the convex rod roller 206 is meshedly connected to the bottom of the filter plate 202. A collection box 207 is slidably penetrated through the front of the inner wall of the filter box 201, and a groove body 208 is arranged above the collection box 207. The groove body 208 is installed through one side of the inner wall of the filter box 201, and an electric push rod 209 is installed through one side of the inner wall of the groove body 208. A sealing plug 210 is connected to one side of the electric push rod 209. The sealing plug 210 is slidably connected in the groove body 208, and the far A scraper motor 211 is connected to one side of the filter box 201 away from the blockage removal motor 203 through a motor seat, and an output end of the scraper motor 211 passes through the inner wall of the filter box 201 through a sealed bearing and is connected to a scraper threaded rod 212, the scraper threaded rod 212 is rotatably connected to one side of the inner wall of the filter box 201, and a sealing scraper 213 is threadedly connected to the scraper threaded rod 212, and the sealing scraper 213 abuts between the upper surface of the filter plate 202 and the upper inner wall of the filter box 201.

[0034] In a specific implementation, the filter plate 202 is used to filter the water passing through the filter box 201, and the impurities flow above the filter plate 202. The blockage removal motor 203 and the scraping motor 211 are started regularly, and the blockage removal motor 203 drives the blockage removal threaded rod 204 to rotate, and the blockage removal threaded rod 204 drives the U-shaped plate 205 to slide, and the U-shaped plate 205 drives the convex rod roller 206 to move along the bottom of the filter plate 202 to push out the impurities in the filter holes of the filter plate 202. At the same time, the scraping motor 21 1 drives the scraping threaded rod 212 to rotate, and the scraping threaded rod 212 drives the sealing scraper 213 to move to the partition on one side of the collecting box 207, scrapes the impurities pushed out from the filter plate 202 onto the sealing plugging plate 210, and at the same time separates the space in the filter box 201, starts the electric push rod 209 to pull the sealing plugging plate 210 into the tank body 208, and drops the sewage and impurities into the collecting box 207 to clear the blockage, so as to prevent the steam turbine circulating cooler with anti-blocking ability from being blocked.

[0035] See also Figure 1 , Figure 2 , Figure 5 and Figure 6 It can be seen that the heat dissipation mechanism 4 includes: a shunt pipe 401, a support 402, a rectangular frame 403, a heat conducting sheet 404, a heat conducting pipe 405, a fan 406, a branch pipe 407, a branch pipe 408 and a parallel flow pipe 409. The side of the circulation pump 3 away from the filter box 201 is connected to the shunt pipe 401, and a support 402 is arranged above the shunt pipe 401. The upper surface of the support 402 is connected to the rectangular frame 403, and the inner wall of the rectangular frame 403 is connected to the heat conducting sheet 404. 4 is connected with a heat conducting pipe 405, the rear part of the rectangular frame 403 is connected with a fan 406, the outer side of the flow dividing pipe 401 is connected with a branch pipe 407, the branch pipe 407 is connected to the bottom of the support platform 402, and the branch pipe 407 penetrates the support platform 402 and the inner wall of the rectangular frame 403 and is connected to the heat conducting pipe 405, and the end of the heat conducting pipe 405 away from the branch pipe 407 is connected with a combined branch pipe 408, and the combined branch pipe 408 penetrates the inner wall of the rectangular frame 403 and is connected to a parallel flow pipe 409.

[0036] In specific implementation, the diverter pipe 401 is used to send water into multiple groups of branch pipes 407 for diversion, and then the water enters the heat pipe 405, and the heat of the water is transferred to the heat pipe 405 and the heat conductive sheet 404. The fan 406 blows air to the heat pipe 405 and the heat conductive sheet 404 to dissipate heat, cools the water passing through the heat pipe 405, and then transports the water to the parallel flow pipe 409 through the branch pipe 408 for parallel flow, so as to enhance the heat dissipation effect of the steam turbine circulating cooler with anti-blocking capability.

[0037] See also Figure 1 , Figure 2 , Figure 7 and Figure 8It can be seen that the auxiliary cooling mechanism 5 includes: a heat exchanger 501, a temperature sensor 502, a protective shell 503, a compressor 504, a liquid infusion pipe 505, a condenser 506, an expansion valve 507, a liquid outlet pipe 508 and a liquid inlet pipe 509. One side of the parallel flow pipe 409 is connected to the heat exchanger 501, and the temperature sensor 502 is installed on the inner wall of the water inlet and the water outlet on one side of the heat exchanger 501. The side of the heat exchanger 501 away from the parallel flow pipe 409 is provided with a protective shell 50 3. A compressor 504 is connected to the inner wall of the protective shell 503, a liquid infusion tube 505 is connected above the compressor 504, the other end of the liquid infusion tube 505 is connected to a condenser 506, the condenser 506 is connected to the inner wall of the protective shell 503, an expansion valve 507 is connected to the side of the heat exchanger 501 away from the parallel flow tube 409, a liquid outlet pipe 508 is connected to one side of the expansion valve 507, the liquid outlet pipe 508 penetrates the inner wall of the protective shell 503 and is connected to the condenser 506. A liquid inlet pipe 509 is connected to one side of the compressor 504, the liquid inlet pipe 509 penetrates the inner wall of the protective shell 503 and is connected to one side of the heat exchanger 501.

[0038] During specific implementation, the compressor 504 is started to heat and pressurize the refrigerant, and then it enters the condenser 506 from the infusion pipe 505 to dissipate heat and cool down. The refrigerant changes from gas to liquid, and then flows through the expansion valve 507 through the outlet pipe 508. The refrigerant changes from liquid to gas, releases the pressure and cools down, and heat is exchanged and cooled with the water flowing through the heat exchanger 501, so that the steam turbine circulating cooler with anti-blocking capability can assist in cooling down.

[0039] In summary, when the steam turbine circulating cooler with anti-blocking capability is used, the cooling pipeline of the steam turbine is connected to the water tank 1 and the heat exchanger 501, water or coolant is added to the water tank 1, the water enters the filter box 201, impurities are filtered out by the filter plate 202, and the water is sent to the shunt pipe 401 by the circulation pump 3, flows through the multiple groups of heat conduction pipes 405 for cooling, and then enters the heat exchanger 501 through the parallel flow pipe 409, and then returns to the cooling pipeline of the steam turbine to absorb the heat generated by the steam turbine, and circulates continuously. If the weather is hot, the temperature sensor 502 detects that the water temperature after the heat dissipation by the heat dissipation mechanism 4 is still relatively high, and the compression is started. The machine 504 compresses the refrigerant and cools the heat exchanger 501, exchanges heat with the water flowing through the heat exchanger 501, and assists in cooling the water. The unblocking motor 203 and the scraping motor 211 are started regularly or manually to push out the impurities in the filter plate 202, and squeeze the impurities and sewage to the top of the sealing plug 210, and then the electric push rod 209 is started to open the sealing plug 210, and the sewage and impurities fall into the collection box 207, and then the sealing plug 210 is closed, and the collection box 207 is drawn out for dumping. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0040] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A steam turbine circulating cooler with anti-blocking capability, comprising: A water tank (1), a filtering mechanism (2), a circulating pump (3) and a heat dissipation mechanism (4), characterized in that: A filtering mechanism (2) is provided at the bottom of the water tank (1), a circulating pump (3) is provided on one side of the filtering mechanism (2), a heat dissipation mechanism (4) is provided on one side of the circulating pump (3), and an auxiliary cooling mechanism (5) is provided on one side of the heat dissipation mechanism (4); The filtering mechanism (2) comprises: a filtering box (201), a filtering plate (202), a blocking removal motor (203), a blocking removal threaded rod (204), a U-shaped plate (205), a protruding rod roller (206), a material collecting box (207), a tank body (208), an electric push rod (209), a sealing blocking plate (210), a scraping motor (211), a scraping threaded rod (212) and a sealing scraper (213); the bottom of the water tank (1) is connected to the filtering box (201) by bolts. A filter plate (202) is connected to the inner wall of the filter box (201), and the bottom of the filter box (201) is connected to the circulation pump (3) through a pipeline. A blockage removal motor (203) is connected to one side of the filter box (201) through a motor seat. The output end of the blockage removal motor (203) passes through the inner wall of the filter box (201) through a sealed bearing and is connected to a blockage removal threaded rod (204). The blockage removal threaded rod (204) is rotatably connected to the inner wall of the filter box (201).

2. The steam turbine circulating cooler with anti-blocking capability according to claim 1, characterized in that: A U-shaped plate (205) is threadedly connected to the unclogging threaded rod (204), and the U-shaped plate (205) is slidably connected to the bottom of the inner wall of the filter box (201). A convex rod roller (206) is rotatably connected inside the U-shaped plate (205), and the convex rod roller (206) is meshingly connected to the bottom of the filter plate (202).

3. The steam turbine circulating cooler with anti-blocking capability according to claim 1, characterized in that: A collection box (207) is slidably inserted through the front of the inner wall of the filter box (201), and a trough body (208) is arranged above the collection box (207). The trough body (208) is installed through one side of the inner wall of the filter box (201), and an electric push rod (209) is installed through one side of the inner wall of the trough body (208). A sealing plug (210) is connected to one side of the electric push rod (209), and the sealing plug (210) is slidably connected in the trough body (208).

4. The steam turbine circulating cooler with anti-blocking capability according to claim 1, characterized in that: A scraping motor (211) is connected to one side of the filter box (201) away from the blockage removal motor (203) via a motor seat, and an output end of the scraping motor (211) is connected to a scraping threaded rod (212) through a sealed bearing that penetrates the inner wall of the filter box (201), and the scraping threaded rod (212) is rotatably connected to one side of the inner wall of the filter box (201), and a sealing scraper (213) is threadedly connected to the scraping threaded rod (212), and the sealing scraper (213) is abutted between the upper surface of the filter plate (202) and the upper inner wall of the filter box (201).

5. The steam turbine circulating cooler with anti-blocking capability according to claim 1, characterized in that: The heat dissipation mechanism (4) comprises: a shunt pipe (401), a support platform (402), a rectangular frame (403), a heat conducting sheet (404), a heat conducting pipe (405), a fan (406), a branch pipe (407), a branch pipe (408) and a parallel flow pipe (409); the shunt pipe (401) is connected to the side of the circulation pump (3) away from the filter box (201); a support platform (402) is arranged above the shunt pipe (401); the upper surface of the support platform (402) is connected to the rectangular frame (403); the inner wall of the rectangular frame (403) is connected to the heat conducting sheet (404); the heat conducting pipe (405) is connected through the heat conducting sheet (404); and the rear part of the rectangular frame (403) is connected to the fan (406).

6. The steam turbine circulating cooler with anti-blocking capability according to claim 5, characterized in that: The outer side of the diverter pipe (401) is connected to a branch pipe (407), and the branch pipe (407) is connected to the bottom of the support platform (402). The branch pipe (407) passes through the support platform (402) and the inner wall of the rectangular frame (403) and is connected to the heat conduction pipe (405).

7. The steam turbine circulating cooler with anti-blocking capability according to claim 6, characterized in that: One end of the heat conduction pipe (405) away from the branch pipe (407) is connected to a combined branch pipe (408), and the combined branch pipe (408) passes through the inner wall of the rectangular frame (403) and is connected to a parallel flow pipe (409).

8. The steam turbine circulating cooler with anti-blocking capability according to claim 7, characterized in that: The auxiliary cooling mechanism (5) comprises: a heat exchanger (501), a temperature sensor (502), a protective shell (503), a compressor (504), a liquid infusion pipe (505), a condenser (506), an expansion valve (507), a liquid outlet pipe (508) and a liquid inlet pipe (509); one side of the parallel flow pipe (409) is connected to the heat exchanger (501); and the temperature sensor (502) is installed through the inner wall of the water inlet and the water outlet on one side of the heat exchanger (501).

9. The steam turbine circulating cooler with anti-blocking capability according to claim 8, characterized in that: A protective shell (503) is provided on a side of the heat exchanger (501) away from the parallel flow tube (409); a compressor (504) is connected to the inner wall of the protective shell (503); an infusion tube (505) is connected above the compressor (504); a condenser (506) is connected to the other end of the infusion tube (505); and the condenser (506) is connected to the inner wall of the protective shell (503).

10. The steam turbine circulating cooler with anti-blocking capability according to claim 9, characterized in that: The side of the heat exchanger (501) away from the parallel flow pipe (409) is connected to an expansion valve (507), and one side of the expansion valve (507) is connected to a liquid outlet pipe (508), and the liquid outlet pipe (508) passes through the inner wall of the protective shell (503) and is connected to the condenser (506); One side of the compressor (504) is connected to a liquid inlet pipe (509), and the liquid inlet pipe (509) passes through the inner wall of the protective shell (503) and is connected to one side of the heat exchanger (501).

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