CN210532352U

CN210532352U - Energy-saving device for steam turbine open type circulating water system of thermal power plant

Info

Publication number: CN210532352U
Application number: CN201921432371.1U
Authority: CN
Inventors: 赵明
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-05-15
Anticipated expiration: 2029-08-30

Abstract

The utility model discloses an open circulating water system economizer of steam turbine of thermal power plant, including water tank and radiating groove, the upper end at the water tank is fixed to the radiating groove, the inside diaphragm that transversely is fixed with in upper end of radiating groove, the vertical welded fastening of lower extreme of diaphragm has the evaporating plate, the evaporating plate is a plurality of, the hole that leaks has been seted up on the surface of diaphragm, the upper end middle part of radiating groove is connected with the inlet tube, and the inlet tube communicates with the inside upper end of radiating groove, the vertical rotatable axis of rotation of installing in inside of water tank. The utility model discloses a bottom at the radiating groove is connected with a plurality of evaporating plates to be fixed with the fan on its left water tank, make hot water evenly cover can increase on the evaporating plate with air area of contact, and can increase the radiating speed of evaporation under the effect that the fan blows, the rotating blade that is driven by the axis of rotation in the cooperation water tank simultaneously takes water, can increase the radiating effect of whole device, has practiced thrift the energy.

Description

Energy-saving device for steam turbine open type circulating water system of thermal power plant

Technical Field

The utility model relates to a steam turbine technical field of power plant specifically is an open circulating water system economizer of steam turbine of thermal power plant.

Background

At present, in general, each steam turbine of a thermal power enterprise is provided with two open type circulating water pumps to ensure heat exchangers of the units, in an open type circulating water system, the water temperature of cooling water is increased to be hot water after passing through the heat exchangers, the hot water is contacted with air through cold explosion gas, the water temperature is reduced due to evaporation heat dissipation and contact heat dissipation of the water, and the heat dissipation and temperature reduction speed is high.

Traditional open circulating water system is when hot water and air contact, and the area of contact is limited for the radiating effect of evaporation is limited, still remains more heat in the circulating water, and then leads to whole set of circulating water system's heat dissipation or heat transfer effect not good, finally leads to the waste of the energy. Therefore, an energy-saving device for an open circulating water system of a steam turbine of a thermal power plant is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a steam turbine open circulating water system economizer of thermal power plant, be connected with a plurality of evaporating plates through the bottom at the radiating groove, and be fixed with the fan on its left water tank, make hot water evenly cover can increase with air area of contact on the evaporating plate, and can increase the radiating speed of evaporation under the effect that the fan blows, the rotating vane who is driven by the axis of rotation in the cooperation water tank simultaneously takes up water, can increase the radiating effect of whole device, the energy has been practiced thrift, the problem of proposing in the background art has been solved.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an open circulating water system economizer of steam turbine of thermal power plant, includes water tank and radiating groove, the upper end at the water tank is fixed to the radiating groove, the inside horizontal diaphragm that is fixed with in upper end of radiating groove, the vertical welded fastening of lower extreme of diaphragm has the evaporating plate, the evaporating plate is a plurality of, the hole that leaks has been seted up on the surface of diaphragm, the upper end middle part of radiating groove is connected with the inlet tube, and inlet tube and the inside upper end intercommunication of radiating groove, the vertical rotatable axis of rotation of installing in inside of water tank, the axis of rotation is two, and the outside of two axis of rotation all is connected and is fixed with rotating vane, rotating vane is a plurality of, the left side upper end of water tank is fixed with the fan through the backup pad, the right side lower extreme of water tank is connected with the outlet pipe, outlet.

As a preferred embodiment of the utility model, the water tank left side of backup pad lower extreme is connected with the moisturizing pipe, moisturizing pipe and the inside intercommunication of water tank.

As a preferred embodiment of the present invention, the water leakage holes are plural, and the plural water leakage holes are uniformly distributed on the surface of the horizontal plate on the upper end of the evaporating plate.

As a preferred embodiment of the present invention, the rotation shaft is connected to a driving device provided outside the water tank in a transmission manner.

As a preferred embodiment of the present invention, the fan is electrically connected to an external power supply device.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses an open circulating water system economizer of steam turbine of thermal power plant is connected with a plurality of evaporating plates through the bottom at the radiating groove to be fixed with the fan on its left water tank, make hot water evenly cover can increase with air area of contact on the evaporating plate, and can increase the radiating speed of evaporation under the effect that the fan blows, the rotating vane who is driven by the axis of rotation in the cooperation water tank has taken water simultaneously, can increase the radiating effect of whole device, practiced thrift the energy.

2. The utility model discloses an open circulating water system economizer of steam turbine of thermal power plant is connected with the moisturizing pipe through making the water tank left side of backup pad lower extreme, and moisturizing pipe and the inside intercommunication of water tank, can install level sensor in the water tank during the use, makes the moisturizing pipe can be when level sensor records the water level lower, opens the solenoid valve on the moisturizing pipe, can conveniently supply water in the water tank.

3. The utility model discloses an open circulating water system economizer of steam turbine of thermal power plant is a plurality of through making the hole that leaks, and the even distribution in a plurality of holes that leak is on the horizontal plate surface of evaporating plate upper end, and the water that gets into diaphragm upper end in the radiating groove can be on the evaporating plate surface through the even distribution in a plurality of holes that leak, makes the area of contact of water and air as big as possible.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic view of the overall structure of the energy-saving device of the open circulating water system of the steam turbine of the thermal power plant;

FIG. 2 is a schematic view of the structure of a heat sink of the energy-saving device of the open circulating water system of the steam turbine of the thermal power plant of the present invention;

fig. 3 is the utility model discloses steam turbine open circulating water system economizer's of thermal power plant diaphragm upper end cross-sectional structure schematic diagram.

In the figure: 1. a water tank; 2. a heat sink; 3. a water inlet pipe; 4. a fan; 5. a support plate; 6. a water replenishing pipe; 7. a rotating shaft; 8. a rotating blade; 9. a water outlet pipe; 10. a valve; 11. a transverse plate; 12. a water leakage hole; 13. and (4) evaporating the plate.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-3, the present invention provides a technical solution: an energy-saving device for an open circulating water system of a steam turbine of a thermal power plant comprises a water tank 1 and heat dissipation grooves 2, wherein the heat dissipation grooves 2 are fixed at the upper end of the water tank 1, a transverse plate 11 is transversely fixed inside the upper end of the heat dissipation grooves 2, evaporation plates 13 are vertically welded and fixed at the lower ends of the transverse plate 11, a plurality of evaporation plates 13 are arranged, water leakage holes 12 are formed in the surface of the transverse plate 11, the middle part of the upper end of the heat dissipation grooves 2 is connected with a water inlet pipe 3, the water inlet pipe 3 is communicated with the upper end inside the heat dissipation grooves 2, rotating shafts 7 are longitudinally and rotatably arranged inside the water tank 1, the number of the rotating shafts 7 is two, rotating blades 8 are fixedly connected to the outer sides of the two rotating shafts 7, the number of the rotating blades 8 is multiple, a fan 4 is fixed at the upper end of, the water outlet pipe 9 is communicated with the inside of the water tank 1, and the valve 10 is arranged on the water outlet pipe 9.

In this embodiment (please refer to fig. 1 and 2), the bottom of the heat sink 2 is connected with a plurality of evaporation plates 13, and the fan 4 is fixed on the water tank 1 on the left side of the heat sink, so that hot water uniformly covers the evaporation plates 13 to increase the contact area with air, and the speed of evaporation and heat dissipation can be increased under the blowing action of the fan 4, and meanwhile, the rotating blades 8 driven by the rotating shaft 7 in the water tank 1 are matched to bring water, so that the heat dissipation effect of the whole device can be increased, and the energy is saved.

Wherein, the left side of the water tank 1 at the lower end of the supporting plate 5 is connected with a water replenishing pipe 6, and the water replenishing pipe 6 is communicated with the inside of the water tank 1.

In this embodiment (please refer to fig. 1), the water replenishing pipe 6 is connected to the left side of the water tank 1 at the lower end of the supporting plate 5, and the water replenishing pipe 6 is communicated with the inside of the water tank 1, so that the liquid level sensor can be installed in the water tank 1 during use, and when the liquid level sensor detects that the water level is low, the electromagnetic valve on the water replenishing pipe 6 is opened, so that water can be conveniently replenished in the water tank 1.

Wherein, the water leakage holes 12 are a plurality of, and the plurality of water leakage holes 12 are evenly distributed on the surface of the transverse plate 11 at the upper end of the evaporation plate 13.

In this embodiment (refer to fig. 2 and 3), the water leakage holes 12 are plural, and the plural water leakage holes 12 are uniformly distributed on the surface of the transverse plate 11 at the upper end of the evaporation plate 13, so that the water entering the upper end of the transverse plate 11 in the heat sink 2 can be uniformly distributed on the surface of the evaporation plate 13 through the plural water leakage holes 12, and the contact area between the water and the air is as large as possible.

Wherein, the rotating shaft 7 is in transmission connection with a driving device arranged outside the water tank 1.

Wherein, the fan 4 is electrically connected with the external power supply equipment.

It should be noted that the utility model relates to an energy-saving device for the steam turbine open circulating water system of the thermal power plant, which comprises a water tank 1, a heat dissipation groove 2, a water inlet pipe 3, a fan 4, a support plate 5, a water replenishing pipe 6, a rotating shaft 7, a rotating vane 8, a water outlet pipe 9, a valve 10, a transverse plate 11, a water leakage hole 12 and an evaporating plate 13, wherein the components are universal standard components or components known by technicians in the field, the structure and the principle of the components can be known by technicians in the field through technical manuals or conventional experimental methods, when in work, the water heated by a heat exchanger is connected to the water inlet pipe 3 through a pipeline, the water outlet pipe 9 is connected with a return pipeline, the water replenishing pipe 6 is provided with an electromagnetic valve and is connected with water supply equipment, and a liquid level sensor is arranged in the water tank 1, when in use, a driving device, hot water passes through inlet tube 3 and gets into in the radiating groove 2, then even 12 that leak from on the diaphragm 11 leak down attached to 13 surfaces of evaporating plate, the effect of blowing 4 is quick down by the evaporation heat dissipation, then in water reentrant water tank 1, take the evaporation heat dissipation once more by rotating vane 8, last water flows back from outlet pipe 9, level sensor in water tank 1 detects the water level and can make the control relay open the solenoid valve on moisturizing pipe 6 when low excessively, make it carry out the moisturizing operation in to water tank 1.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an open circulating water system economizer of steam turbine of thermal power plant, includes water tank (1) and radiating groove (2), its characterized in that: the water tank is characterized in that the upper end of the water tank (1) is fixed on the heat dissipation groove (2), a transverse plate (11) is transversely fixed inside the upper end of the heat dissipation groove (2), an evaporation plate (13) is vertically welded and fixed on the lower end of the transverse plate (11), the evaporation plate (13) is multiple, a water leakage hole (12) is formed in the surface of the transverse plate (11), the middle of the upper end of the heat dissipation groove (2) is connected with a water inlet pipe (3), the water inlet pipe (3) is communicated with the upper end inside the heat dissipation groove (2), a rotating shaft (7) is vertically and rotatably installed inside the water tank (1), the rotating shafts (7) are two, rotating blades (8) are fixedly connected to the outer sides of the two rotating shafts (7), the rotating blades (8) are multiple, a fan (4) is fixed on the upper end of the left side of the water tank (1) through a support plate (5), the lower end, the water outlet pipe (9) is communicated with the inside of the water tank (1), and the valve (10) is arranged on the water outlet pipe (9).

2. The energy-saving device for the steam turbine open circulating water system of the thermal power plant according to claim 1, characterized in that: the water tank (1) left side of backup pad (5) lower extreme is connected with moisturizing pipe (6), moisturizing pipe (6) and water tank (1) inside intercommunication.

3. The energy-saving device for the steam turbine open circulating water system of the thermal power plant according to claim 1, characterized in that: the water leakage holes (12) are distributed on the surface of the transverse plate (11) at the upper end of the evaporation plate (13) uniformly.

4. The energy-saving device for the steam turbine open circulating water system of the thermal power plant according to claim 1, characterized in that: the rotating shaft (7) is in transmission connection with a driving device arranged on the outer side of the water tank (1).

5. The energy-saving device for the steam turbine open circulating water system of the thermal power plant according to claim 1, characterized in that: the fan (4) is electrically connected with external power supply equipment.