CN219691663U

CN219691663U - Circulating water power generation mechanism and steam recovery device

Info

Publication number: CN219691663U
Application number: CN202320272285.9U
Authority: CN
Inventors: 陈金凤; 张炜; 黄寅
Original assignee: Huaneng Zhejiang Energy Development Co Ltd Changxing Branch
Current assignee: Huaneng Zhejiang Energy Development Co Ltd Changxing Branch
Priority date: 2023-02-21
Filing date: 2023-02-21
Publication date: 2023-09-15
Anticipated expiration: 2033-02-21

Abstract

The utility model relates to the technical field of energy conservation of steam turbine circulating water of a thermal power plant, in particular to a circulating water power generation mechanism and a steam recovery device, which comprise an impeller assembly, a first rotating shaft and a second rotating shaft, wherein the impeller assembly comprises a rotating wheel and a first rotating shaft; the transmission assembly comprises a first worm wheel, a worm, a second worm wheel and a quick-release connecting piece; and the power generation assembly comprises a power generator and a second rotating shaft. The heat dissipation mechanism comprises an evaporation tank, a water diversion pipe, a water leakage plate and a steaming spring; and, the stirring mechanism comprises a water collecting plate and a stirring wheel; the high-flow-rate circulating water is utilized to drive the impeller to rotate so as to drive the power generation assembly to generate power, so that the utilization rate of potential energy of circulating water is improved; set up shunt tubes and helix and evaporate clockwork spring, set up the stirring wheel simultaneously and stir, increase area of contact between circulating water flow and the air to improve steam volatilization speed and radiating effect, the rethread carries out recycle to hot steam, thereby reduce the waste of resource.

Description

Circulating water power generation mechanism and steam recovery device

Technical Field

The utility model relates to the technical field of energy conservation of steam turbine circulating water in a thermal power plant, in particular to a circulating water power generation mechanism and a steam recovery device.

Background

The thermal power plant is a plant for producing electric energy by using combustible matters as fuel, and the basic production process is that the fuel heats water to generate steam when being combusted, chemical energy of the fuel is converted into heat energy, steam pressure pushes a steam turbine to rotate, the heat energy is converted into mechanical energy, then the steam turbine drives a generator to rotate, the mechanical energy is converted into electric energy, at present, each steam turbine of a thermal power enterprise is provided with an open type circulating water pump to ensure each heat exchanger of a unit, in an open type circulating water system, cooling water is heated to be hot water after passing through the heat exchanger, the hot water is contacted with air through cold explosion gas, the water temperature is reduced due to evaporation and heat dissipation of the water and contact heat dissipation, and the heat dissipation and cooling speed is higher.

When the hot water is contacted with air, the contact area of the existing open type circulating water system is limited, so that the evaporation and heat dissipation effects are limited, more heat is remained in the circulating water, the heat dissipation or heat exchange effect of the whole set of circulating water system is poor, and finally the energy waste is caused; meanwhile, the circulating water is high in water flow speed due to gravitational potential energy and pressure difference, and meanwhile, the water flow speed is also high in change, and the existing energy cannot achieve a good utilization effect. Therefore, we propose a circulating water power generation mechanism and a steam recovery device.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model.

The present utility model has been made in view of the above or problems in the prior art that the potential energy of circulating water cannot be utilized well.

It is therefore an object of the present utility model to provide a circulating water power generation mechanism.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a circulating water power generation mechanism which characterized in that: the impeller assembly comprises a rotating wheel and a first rotating shaft rotatably arranged on the inner wall of the rotating wheel; the transmission assembly comprises a first worm wheel arranged at one end of the first rotating shaft, a worm matched with the outer wall of the first worm wheel, a second worm wheel arranged at the outer wall of one end of the worm, and a quick-release connecting piece arranged at one end face of the second worm wheel; and the power generation assembly comprises a generator and a second rotating shaft arranged at the output end of the generator.

As a preferable mode of the circulating water power generation mechanism of the utility model, wherein: the quick-release connecting piece comprises a first connecting block, a sliding groove, a round groove and a limiting groove which are respectively formed in the inner wall of the first connecting block, a second connecting block movably arranged at one end of the first connecting block, and a limiting block arranged on the second connecting block.

As a preferable mode of the circulating water power generation mechanism of the utility model, wherein: the inner wall of the first connecting block is provided with an elastic piece, the outer wall of the first connecting block is rotationally provided with a first fastening pipe, and the outer wall of the second connecting block is rotationally provided with a second fastening pipe.

As a preferable mode of the circulating water power generation mechanism of the utility model, wherein: the outer wall of the first fastening pipe is provided with external threads, and the inner wall of the second fastening pipe is provided with internal threads matched with the external threads.

As a preferable mode of the circulating water power generation mechanism of the utility model, wherein: the outside of runner is equipped with the water inlet tank, first pivot runs through and locates first worm wheel inner wall, and rotate and locate water inlet tank both ends face, water inlet tank outer wall is equipped with the inlet tube.

As a preferable mode of the circulating water power generation mechanism of the utility model, wherein: the outer walls of the two ends of the worm are respectively provided with threads and are respectively connected with the first worm wheel and the second worm wheel in a matched mode.

As a preferable mode of the circulating water power generation mechanism of the utility model, wherein: one end of the second rotating shaft is connected with the second worm wheel through the quick-release connecting piece, and a fixing frame is sleeved outside the worm.

The circulating water power generation mechanism has the beneficial effects that: according to the utility model, the rotating wheel, the transmission assembly and the power generation assembly are arranged, the impeller is driven to rotate by the high-flow-rate circulating water, and the power generation assembly is driven to generate power by the transmission assembly, so that the power generation by utilizing the high-speed potential energy of water flow is realized, the utilization rate of the circulating water is improved, the energy-saving effect is further improved, and the problem of insufficient utilization of the original high-speed water potential energy is solved.

In view of the fact that in the practical use process, the problem that the contact area of the circulating water system and the air is limited and the evaporation effect is poor exists.

In order to solve the technical problems, the utility model also provides the following technical scheme: the steam recovery device is characterized by comprising a circulating water power generation mechanism and a heat dissipation mechanism, wherein the heat dissipation mechanism comprises an evaporation tank, a water distribution pipe arranged on the inner wall of the evaporation tank, a water leakage plate arranged on the inner wall of the evaporation tank and an evaporation strip arranged on the outer wall of the water leakage plate; and the stirring mechanism comprises a water collecting plate arranged on the inner wall of the evaporation tank and a stirring wheel rotatably arranged on the inner wall of the evaporation tank.

As a preferred embodiment of the vapor recovery device of the present utility model, wherein: the outer wall of the water distribution pipe is provided with through holes, the water leakage plate is uniformly provided with through holes, and the steaming spring is in a spiral shape.

As a preferred embodiment of the vapor recovery device of the present utility model, wherein: the inner wall of the water collecting plate is provided with a funnel, one end of the funnel is provided with a hole, and the outer wall of the evaporating pot is provided with a steam collecting pipe.

The steam recovery device has the beneficial effects that: through setting up shunt tubes and helix and steaming clockwork spring, set up the stirring wheel simultaneously and stir rivers, increase area of contact between circulating water flow and the air to improve steam volatilization speed and radiating effect, the rethread carries out recycle to hot steam, thereby reduce the waste of resource.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:

fig. 1 is an overall schematic diagram of a circulating water power generation mechanism and a steam recovery device.

Fig. 2 is an overall schematic view of the quick release connector.

Fig. 3 is a schematic view of a quick release connector.

Fig. 4 is a schematic view of the impeller assembly.

Fig. 5 is a schematic view of the internal structure of the vapor recovery device.

Fig. 6 is a schematic view of the profile of the evaporation strip.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1 to 4, in a first embodiment of the present utility model, a circulating water power generation mechanism is provided, in which a water flow drives an impeller assembly 100 to rotate, and a transmission assembly 200 is used to drive a generator to generate power, so that power generation by using water flow potential energy can be realized, the utilization rate of circulating water is improved, and the problem of waste caused by insufficient utilization of water flow potential energy is solved.

Specifically, the impeller comprises an impeller assembly 100, a first rotating shaft 102 and a second rotating shaft, wherein the impeller assembly comprises a rotating wheel 101 and a first rotating shaft 102 rotatably arranged on the inner wall of the rotating wheel 101; the transmission assembly 200 comprises a first worm wheel 201 arranged at one end of the first rotating shaft 102, a worm 202 matched with the outer wall of the first worm wheel 201 and a second worm wheel 203 arranged at the outer wall of one end of the worm 202; and the power generation assembly 300 comprises a power generator 301 and a second rotating shaft 302 arranged at the output end of the power generator 301.

Specifically, the water inlet tank 103 is arranged outside the rotating wheel 101, the first rotating shaft 102 penetrates through the inner wall of the first worm wheel 201 and is rotatably arranged on two end faces of the water inlet tank 103, and the water inlet pipe 103a is arranged on the outer wall of the water inlet tank 103.

Further, the outer walls of the two ends of the worm 202 are respectively provided with threads and are respectively connected with the first worm wheel 201 and the second worm wheel 203 in a matched manner, and a fixing frame 202a is sleeved outside the worm 202.

Preferably, the water inlet pipe 103a, the first rotating shaft 102 and the water inlet tank 103 are made of stainless steel and are subjected to sealing and leakage prevention treatment; the first worm wheel 201, the second worm wheel 203 and the worm 202 are transmission teeth, and the first rotating shaft 102 is fixed inside the water inlet tank 103 through bearings.

In summary, after the water flow enters the water inlet tank 103 through the water inlet 103, the impact rotating wheel 101 drives the water flow to rotate, so that the first rotating shaft is driven to rotate, potential energy of the water flow is converted into rotary motion, and the first worm wheel 201, the worm 202 and the second worm wheel 203 drive the generator 301 to generate electricity, so that the high-speed potential energy of the water flow is utilized to generate electricity, the utilization rate of circulating water is improved, and the energy-saving effect is further improved.

Example 2

Referring to fig. 5 to 6, in the second embodiment of the present utility model, unlike the previous embodiment, this embodiment provides a vapor recovery device, which solves the problems of limited contact area between circulating water and air and poor evaporation effect in the actual use process.

Specifically, the heat dissipation device comprises a heat dissipation mechanism 400, and comprises an evaporation tank 401, a water diversion pipe 402 arranged on the inner wall of the evaporation tank, a water leakage plate 403 arranged on the inner wall of the evaporation tank 401, and an evaporation strip 404 arranged on the outer wall of the water leakage plate 403; the method comprises the steps of,

the stirring mechanism 500 includes a water collecting plate 501 provided on the inner wall of the evaporation tank 401, and a stirring wheel 502 rotatably provided on the inner wall of the evaporation tank 401.

Further, the outer wall of the water diversion pipe 402 is provided with through holes, the water leakage plate 403 is uniformly provided with through holes, and the steaming spring 404 is in a spiral shape; the inner wall of the water collecting plate 501 is provided with a funnel 501a, one end of the funnel 501a is provided with a hole 501a-1, and the outer wall of the evaporation tank 401 is provided with a steam collecting pipe 401a.

Preferably, the opening angle of the water diversion pipe 402 and the collecting plate angle are 45 degrees, the number of openings of the water diversion pipe 402 and the number of openings of the water leakage plates 403 are 20, the size of the openings of the water leakage plates 403 is gradually increased along with the decrease of the height, the steaming spring 404 is in a spiral line shape and is arranged right below the through holes of each water leakage plate 403, and the steaming spring is made of glass, so that the hydrophilicity is improved, and water flows along the surface of the steaming spring.

To sum up, after the heat circulation water enters the water diversion pipe 402, the heat circulation water flows along the pipe wall and uniformly flows out through the through holes, enters the water leakage plate 403, flows into the steaming spring 404 through the through holes, gradually slides along the surface of the glass, so that the contact area with air is increased, the steam volatilization speed is increased, the heat dissipation effect is improved by stirring the heat circulation water with the stirring wheel 502 after the heat circulation water enters the water collection plate 501, and the heat dissipation effect is improved by recycling the heat steam, so that the waste of resources is reduced.

Example 3

Referring to fig. 2 to 6, in a third embodiment of the present utility model, unlike the previous embodiment, the present embodiment provides a quick-release connector 204, which can respectively realize quick-release connection between the second worm wheel 203 and the second rotating shaft 302 and the stirring wheel 502, so that different connection modes are respectively selected when the flow rate of the circulating water is changed and the water temperature is changed.

Specifically, the quick release connector 204 includes a first connecting block 204a, a chute 204a-1, a circular groove 204a-2, and a limiting groove 204a-3 respectively disposed on an inner wall of the first connecting block 204 a), a second connecting block 204b movably disposed at one end of the first connecting block 204a, and a limiting block 204b-1 disposed on the second connecting block 204 b.

Further, an elastic member 204e is provided on the inner wall of the first connecting block 204a, a first fastening tube 204c is rotatably provided on the outer wall of the first connecting block 204a, a second fastening tube 204d is rotatably provided on the outer wall of the second connecting block 204b, an external thread 204c-1 is provided on the outer wall of the first fastening tube 204c, and an internal thread 204d-1 is provided on the inner wall of the second fastening tube 204d to be engaged with the external thread (204 c-1)

Preferably, the elastic member 204e is a compression spring, the first fastening tube 204c is sleeved on the first connecting block 204a through a bearing, the second fastening tube 204d is sleeved on the second connecting block 204d-1 through a bearing, and the limiting block 204b-1 is matched with the sliding groove 204a-1, the circular groove 204a-2 and the limiting groove 204a-3 in size.

When the quick-release connecting block 204 needs to be installed, the second connecting block 204b is rotated, so that the limiting block 204b-1 slides along the sliding groove 204a-1, and then rotates along the circular groove 204a-2 to the limiting groove 204a-3 and is clamped in the limiting groove, and the second connecting block 204b integrally receives a thrust force due to the existence of the compression spring 204e, so that the clamping is realized under the cooperation of the thrust force and the limiting groove 204 a-3; and then the second fastener 204d is turned to be screwed with the first fastener 204c for secondary fixation, so that looseness is prevented during rotation.

In summary, when the temperature of the circulating water is low or the flow rate of the circulating water is low, the stirring wheel is not needed to stir the circulating water, at this time, the quick-release connecting block 204 between the second worm gear 203 and the stirring wheel 502 is disconnected, and at this time, only power generation is performed; when the circulating water temperature is higher or the circulating water flow rate is faster, the stirring wheel is required to stir the circulating water, at this time, the quick-release connecting block 204 between the second worm wheel 203 and the second rotating shaft 302 is disconnected, and only stirring is performed at this time, so that the rotating speed of the stirring wheel 502 is increased, and the heat dissipation effect is improved.

It is important to note that the construction and arrangement of the utility model as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible, for example, variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc., without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of present utility model. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present utility models. Therefore, the utility model is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Furthermore, in order to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those not associated with the best mode presently contemplated for carrying out the utility model, or those not associated with practicing the utility model).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure.

It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.

Claims

1. The utility model provides a circulating water power generation mechanism which characterized in that: comprising the steps of (a) a step of,

the impeller assembly (100) comprises a rotating wheel (101) and a first rotating shaft (102) rotatably arranged on the inner wall of the rotating wheel (101); the method comprises the steps of,

the transmission assembly (200) comprises a first worm wheel (201) arranged at one end of the first rotating shaft (102), a worm (202) matched with the outer wall of the first worm wheel (201), a second worm wheel (203) arranged at the outer wall of one end of the worm (202) and a quick-release connecting piece (204) arranged at one end face of the second worm wheel (203); the method comprises the steps of,

the power generation assembly (300) comprises a power generator (301) and a second rotating shaft (302) arranged at the output end of the power generator (301).

2. The circulating water power generation mechanism of claim 1, wherein: the quick-release connecting piece (204) comprises a first connecting block (204 a), a sliding groove (204 a-1), a circular groove (204 a-2) and a limiting groove (204 a-3) which are respectively arranged on the inner wall of the first connecting block (204 a), a second connecting block (204 b) movably arranged at one end of the first connecting block (204 a) and a limiting block (204 b-1) arranged on the outer wall of the second connecting block (204 b).

3. The circulating water power generation mechanism of claim 2, wherein: the inner wall of the first connecting block (204 a) is provided with an elastic piece (204 e), the outer wall of the first connecting block (204 a) is rotationally provided with a first fastening pipe (204 c), and the outer wall of the second connecting block (204 b) is rotationally provided with a second fastening pipe (204 d).

4. The circulating water power generation mechanism of claim 3, wherein: the outer wall of the first fastening pipe (204 c) is provided with an external thread (204 c-1), and the inner wall of the second fastening pipe (204 d) is provided with an internal thread (204 d-1) matched with the external thread (204 c-1).

5. The circulating water power generation mechanism of claim 1, wherein: the rotary wheel (101) is externally provided with a water inlet tank (103), the first rotating shaft (102) penetrates through the inner wall of the first worm wheel (201) and is rotationally arranged on two end faces of the water inlet tank (103), and the outer wall of the water inlet tank (103) is provided with a water inlet pipe (103 a).

6. The circulating water power generation mechanism of claim 1 or 5, wherein: the outer walls of the two ends of the worm (202) are respectively provided with threads and are respectively connected with the first worm wheel (201) and the second worm wheel (203) in a matching way.

7. The circulating water power generation mechanism of claim 6, wherein: one end of the second rotating shaft (302) is connected with the second worm wheel (203) through the quick-release connecting piece (204), and a fixing frame (202 a) is sleeved outside the worm (202).

8. A vapor recovery device, characterized in that: comprising the circulating water power generation mechanism according to any one of claims 1 to 7, and,

the heat dissipation mechanism (400) comprises an evaporation tank (401), a water diversion pipe (402) arranged on the inner wall of the evaporation tank (401), a water leakage plate (403) arranged on the inner wall of the evaporation tank (401) and an evaporation strip (404) arranged on the outer wall of the water leakage plate (403); the method comprises the steps of,

the stirring mechanism (500) comprises a water collecting plate (501) arranged on the inner wall of the evaporation tank (401) and a stirring wheel (502) rotatably arranged on the inner wall of the evaporation tank (401).

9. The vapor recovery device of claim 8, wherein: the outer wall of the water distribution pipe (402) is provided with through holes, the water leakage plates (403) are uniformly provided with through holes, and the evaporation strips (404) are spiral.

10. The vapor recovery device of claim 8 or 9, wherein: the inner wall of the water collecting plate (501) is provided with a funnel (501 a), one end of the funnel (501 a) is provided with a hole (501 a-1), and the outer wall of the evaporation tank (401) is provided with a steam collecting pipe (401 a).