Steam turbine water seal overflow water recycling device

By designing a turbine water seal overflow water recycling device, the problem of overflow water being wasted by being directly discharged into the ditch was solved, the overflow water was recycled, and the resource utilization efficiency was improved.

CN224032658UActive Publication Date: 2026-03-24DAZHOU CONCH CEMENT CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-16
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

The problem of condensate being wasted when overflow water is directly discharged into the ditch during normal operation of the steam turbine.

Method used

A turbine water seal overflow water recycling device was designed, including a connection component, a control component, a filter component, and a sealing component. The overflow water is collected into a water collection tank through a return pipe and pumped into a pure water tank using an outlet pump. The overflow water is recycled by combining filtration and liquid level control.

Benefits of technology

This enables the recycling of turbine overflow water, avoids the waste of condensate, and improves resource utilization efficiency.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model relates to the technical field of turbine overflow water recycling, in particular to a turbine water seal overflow water recycling device which comprises a connecting assembly, a control assembly, a filtering assembly and a sealing assembly. The connecting assembly comprises two backflow pipes, a water collecting tank, a water outlet pump and a water outlet pipe, the two backflow pipes are connected with a water seal of the steam turbine, the water collecting tank is fixedly connected with the backflow pipes and located between the two backflow pipes, the water outlet pump is fixedly connected with the water collecting tank and located on the outer side of the water collecting tank, one end of the water outlet pipe is connected with the water outlet pump, and the other end of the water outlet pipe is connected with the water outlet pump. The control assembly, the filtering assembly and the sealing assembly are connected with the water collecting tank, and the problem that when the steam turbine operates normally, the water seal keeps overflowing, overflowing water is directly discharged into a ditch, and consequently condensed water is wasted is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to steam turbine overflow water recycling technical field especially relates to a steam turbine water seal overflow water recycling device. BACKGROUND

[0002] Steam turbine is also called steam turbine engine, and it is a kind of rotary steam power device, high-temperature and high-pressure steam is jetted to blade after becoming accelerated airflow through fixed nozzle, and steam turbine rotates, and simultaneously does work to outside. Steam turbine is the main equipment of modern thermal power plant, and it is also used in metallurgical industry, chemical industry and ship power device.

[0003] When steam turbine is normally operated, water seal keeps overflow, and overflow water is directly discharged into water ditch and flows to company artificial lake, and this overflow water belongs to condensate water, can be recycled as boiler make-up water, and directly discharging exists waste phenomenon. UTILITY MODEL CONTENT

[0004] The utility model discloses a steam turbine water seal overflow water recycling device, solve the problem that when steam turbine is normally operated, water seal keeps overflow, and overflow water is directly discharged into water ditch, resulting in condensate water waste.

[0005] To realize the above-mentioned purpose, the utility model provides a steam turbine water seal overflow water recycling device, including connecting assembly, control assembly, filter component and sealing assembly, the connecting assembly includes reflux pipe, water collecting tank, water outlet pump and water outlet pipe, the number of reflux pipe is two, two reflux pipe is connected with the water seal of steam turbine respectively, water collecting tank is fixedly connected with reflux pipe, and located between two reflux pipe, water outlet pump is fixedly connected with water collecting tank, and located the outside of water collecting tank, one end of water outlet pipe is connected with water outlet pump, and the other end is connected with the pure water tank of steam turbine, control assembly, filter component and sealing assembly are connected with water collecting tank respectively.

[0006] Among them, the surface of water collecting tank is provided with a plurality of sealing grooves, the inner wall of water collecting tank is also provided with a plurality of guide grooves, and the inner wall of water collecting tank is also provided with a sliding groove.

[0007] Among them, the control assembly includes sliding block and float, the sliding block is slidably connected with the water collecting tank and located in the inside of the sliding groove, and the float is fixedly connected with the sliding block and located on the outside of the sliding block.

[0008] The filter assembly comprises filter boxes and guide strips, the number of the filter boxes is two, the two filter boxes are respectively in sliding connection with the water collecting box and are respectively located inside the water collecting box, and the number of the guide strips is multiple, the multiple guide strips are respectively in fixed connection with the filter boxes and are respectively located inside the guide grooves.

[0009] The sealing assembly comprises a cover plate and sealing strips, the cover plate is in detachable connection with the water collecting box and is located at the top of the water collecting box, and the number of the sealing strips is multiple, the multiple sealing strips are respectively in fixed connection with the cover plate and are respectively located inside the sealing grooves.

[0010] The steam turbine water seal overflow water recycling device of the utility model, the backflow pipe is connected with the overflow water seal of the steam turbine, and the water collecting box is placed on the first floor of the steam turbine room and is lower than the steam turbine water seal, the water pump is used for pumping the water in the water collecting box into the pure water tank of the steam turbine through the water outlet pipe, which is convenient for recycling and preserving the overflow water of the steam turbine, when in use, the overflow water of the steam turbine flows into the water collecting box through the backflow pipe, and the overflow water is filtered through the filter assembly, when in use, the liquid level in the water collecting box is controlled through the control assembly, when the water level exceeds the limit, the overflow water in the water collecting box is pumped into the pure water tank through the water pump, which is convenient for recycling and utilizing the overflow water, and solves the problem of waste of condensate water caused by overflow of the water seal during normal operation of the steam turbine. BRIEF DESCRIPTION OF DRAWINGS

[0011] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced.

[0012] Figure 1 It is a principle schematic view of the steam turbine water seal overflow water recycling device of the first embodiment of the utility model.

[0013] Figure 2 It is a structure schematic view of the steam turbine water seal overflow water recycling device of the first embodiment of the utility model.

[0014] Figure 3 It is a structure schematic view of the water collecting box inside the first embodiment of the utility model.

[0015] Figure 4 It is a structure schematic view of the sealing assembly of the first embodiment of the utility model.

[0016] In the figure: 001 - water seal, 002 - overflow valve, 003 - pure water tank, 101 - return pipe, 102 - water collecting tank, 103 - water outlet pump, 104 - water outlet pipe, 105 - sealing groove, 106 - guide groove, 107 - sliding groove, 108 - sliding block, 109 - floating block, 110 - filter tank, 111 - guide strip, 112 - cover plate, 113 - sealing strip. DETAILED DESCRIPTION

[0017] The embodiments of the utility model are described in detail below, examples of the embodiments are shown in the drawings, the embodiments described below are exemplary, and are intended to explain the utility model, and cannot be understood as the limitation of the utility model.

[0018] The first embodiment of the application is:

[0019] Please refer to Figures 1 to 4 Among them, Figure 1 It is the principle diagram of steam turbine water seal overflow water recycling device of the first embodiment of the utility model, Figure 2 It is the structure diagram of steam turbine water seal overflow water recycling device of the first embodiment of the utility model, Figure 3 It is the structure diagram inside the water collecting tank of the first embodiment of the utility model, Figure 4 It is the structure diagram of sealing assembly of the first embodiment of the utility model, the utility model provides a steam turbine water seal overflow water recycling device, including connecting assembly, control assembly, filter assembly and sealing assembly, the connecting assembly includes return pipe 101, water collecting tank 102, water outlet pump 103 and water outlet pipe 104, the control assembly includes sliding block 108 and floating block 109, the filter assembly includes filter tank 110 and guide strip 111, the sealing assembly includes cover plate 112 and sealing strip 113;The foregoing scheme solves the problem that water seal keeps overflow when steam turbine is normally operated, and overflow water is directly discharged into a water ditch, resulting in waste of condensate.

[0020] For this specific embodiment, the number of the return pipes 101 is two, two return pipes 101 are connected with the water seal of the steam turbine respectively, the water collecting tank 102 is fixedly connected with the return pipes 101 and located between the two return pipes 101, the water outlet pump 103 is fixedly connected with the water collecting tank 102 and located outside the water collecting tank 102, one end of the water outlet pipe 104 is connected with the water outlet pump 103 and the other end is connected with the pure water tank of the steam turbine, the control assembly, the filtering assembly and the sealing assembly are connected with the water collecting tank 102 respectively, the return pipes 101 are connected with the overflow water seal of the steam turbine, and the water collecting tank 102 is placed on the first floor of the steam turbine room and is lower than the water seal of the steam turbine, the water outlet pump 103 is used for pumping the water in the water collecting tank 102 into the pure water tank of the steam turbine through the water outlet pipe 104, so as to facilitate the recycling of the overflow water of the steam turbine, in use, the overflow water of the steam turbine flows into the water collecting tank 102 through the return pipes 101, and the overflow water is filtered through the filtering assembly, in use, the liquid level in the water collecting tank 102 is controlled through the control assembly, when the water level exceeds the limit, the overflow water in the water collecting tank 102 is pumped into the pure water tank through the water outlet pump 103, so as to facilitate the recycling of the overflow water.

[0021] Wherein, the surface of the water collecting tank 102 is provided with a plurality of sealing grooves 105, the inner wall of the water collecting tank 102 is further provided with a plurality of guide grooves 106, and the inner wall of the water collecting tank 102 is further provided with a sliding groove 107, the sealing groove 105 cooperates with the sealing strip 113, the guide groove 106 cooperates with the guide strip 111, and the sliding groove 107 provides limiting action for the sliding block 108.

[0022] Secondly, the sliding block 108 is slidingly connected with the water collecting tank 102 and located in the inside of the sliding groove 107, the floating block 109 is fixedly connected with the sliding block 108 and located outside the sliding block 108, the sliding block 108 cooperates with the sliding groove 107 and provides guiding action for the floating block 109, the floating block 109 provides buoyancy for the sliding block 108, when the liquid level in the water collecting tank 102 rises, the floating block 109 is driven to move upwards, and the sliding block 108 is also driven to move upwards, the height of the sliding block 108 and the floating block 109 is monitored through the sensor, and the water outlet pump 103 is controlled.

[0023] Again, the number of filter boxes 110 is two, two filter boxes 110 are respectively connected with the water collecting box 102 in sliding mode, and are respectively located inside the water collecting box 102, the number of guide strips 111 is multiple, multiple guide strips 111 are respectively fixedly connected with the filter boxes 110, and are respectively located inside the guide grooves 106, the inside of the filter box 110 is provided with a filtering and adsorbing structure for overflow water, for filtering and adsorbing the overflow water, the guide strip 111 provides a guide function for the filter box 110, facilitating dismounting and mounting of the filter box 110.

[0024] Finally, the cover plate 112 is detachably connected with the water collecting box 102 and is located at the top of the water collecting box 102, the number of sealing strips 113 is multiple, multiple sealing strips 113 are respectively fixedly connected with the cover plate 112 and are respectively located inside the sealing grooves 105, the cover plate 112 is used for sealing the top of the water collecting box 102, and the sealing strip 113 cooperates with the sealing groove 105 to seal between the cover plate 112 and the water collecting box 102.

[0025] The steam turbine water seal overflow water recycling device is used, the return pipe 101 is connected with the overflow water seal of the steam turbine, the water collecting box 102 is placed on the first floor of the steam turbine room and is lower than the steam turbine water seal, the water outlet pump 103 is used for pumping the water in the water collecting box 102 into the pure water tank of the steam turbine through the water outlet pipe 104, facilitating recycling and preservation of the overflow water of the steam turbine, in use, the overflow water of the steam turbine flows into the water collecting box 102 through the return pipe 101, and the overflow water is filtered through the filtering assembly, in use, the liquid level in the water collecting box 102 is controlled through the control assembly, when the water level exceeds the limit, the overflow water in the water collecting box 102 is pumped into the pure water tank through the water outlet pump 103, facilitating recycling of the overflow water, and the problem that the steam turbine normally operates, the water seal keeps overflowing, and the overflow water is directly discharged into a ditch, causing waste of the condensed water is solved.

[0026] The above only discloses one or more preferred embodiments of the application, and cannot limit the scope of the application, and those skilled in the art can understand that all or part of the above-mentioned embodiments can be implemented, and equivalent changes made according to the claims of the application still belong to the scope covered by the application.

Claims

1. A device for recycling overflow water from a steam turbine water seal, characterized in that, Includes connection components, control components, filter components, and sealing components; The connection assembly includes a return pipe, a water collection tank, a water outlet pump, and a water outlet pipe. There are two return pipes, each connected to the water seal of the steam turbine. The water collection tank is fixedly connected to the return pipes and located between the two return pipes. The water outlet pump is fixedly connected to the water collection tank and located outside the water collection tank. One end of the water outlet pipe is connected to the water outlet pump, and the other end is connected to the pure water tank of the steam turbine. The control assembly, the filter assembly, and the sealing assembly are respectively connected to the water collection tank.

2. The turbine water seal overflow water recovery and utilization device as described in claim 1, characterized in that, The surface of the water collection tank is provided with multiple sealing grooves, the inner wall of the water collection tank is also provided with multiple guide grooves, and the inner wall of the water collection tank is also provided with a sliding groove.

3. The turbine water seal overflow water recovery and utilization device as described in claim 2, characterized in that, The control component includes a slider and a float. The slider is slidably connected to the water collection tank and located inside the chute. The float is fixedly connected to the slider and located outside the slider.

4. The turbine water seal overflow water recovery and utilization device as described in claim 2, characterized in that, The filtration assembly includes filter boxes and guide bars. There are two filter boxes, which are slidably connected to the water collection tank and located inside the water collection tank. There are multiple guide bars, which are fixedly connected to the filter boxes and located inside the guide grooves.

5. The turbine water seal overflow water recovery and utilization device as described in claim 2, characterized in that, The sealing assembly includes a cover plate and sealing strips. The cover plate is detachably connected to the water collection tank and is located on top of the water collection tank. There are multiple sealing strips, each of which is fixedly connected to the cover plate and is located inside the sealing groove.