Temperature raising device for raising temperature of condensate water of steam turbine

Abstract

The utility model discloses a temperature rising device for steam turbine condensate water temperature rising, which relates to the technical field of condensate water temperature rising and comprises a box body, a water inlet pipeline is arranged on one side of the box body, a water outlet pipeline is arranged at the upper end of the water inlet pipeline, a plurality of rows of circulating pipelines are arranged in the box body at equal intervals, and the bottom end of the box body is communicated with a water tank. A boss with a trapezoidal section is arranged at one end of the box body, the top surface of the boss is communicated with a flange air inlet, and a flange air outlet is formed in one end of the top surface of the box body; according to the temperature raising device for raising the temperature of the condensed water of the steam turbine, the box body and the circulating pipeline are arranged and matched, so that the condensed water can be fully heated, the temperature raising efficiency of the temperature raising device is improved, and the function of efficiently raising the temperature of the condensed water can be further realized; and through the combination of the circulating pipeline and the heat-conducting fins, heat transfer is accelerated conveniently, the high efficiency of heat exchange is improved, and then the function of enhancing the heating effect can be achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to condensate water temperature rising technical field especially relates to a kind of temperature raising device for condensate water of steam turbine. BACKGROUND

[0002] In the operation process of steam turbine, the temperature rising treatment of condensate water has key significance to the energy utilization and stable operation of whole system.

[0003] The existing temperature raising device often exchanges heat after steam enters and condensate water pipe, but in this process, steam encounters cold and quickly condenses into water droplets, and these water droplets often lack effective collection, resulting in a large number of water droplets randomly flowing inside the device, causing corrosion and damage inside, shortening the service life of the device. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in prior art and provides a kind of temperature raising device for condensate water of steam turbine.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a kind of temperature raising device for condensate water of steam turbine, including box, the side of the box is equipped with water inlet pipe, the upper end of the water inlet pipe is equipped with water outlet pipe, the inside of the box is equipped with several rows of circulating pipes at equal intervals, the bottom end of the box is connected and equipped with water tank, the one end of the box is equipped with the boss with trapezoidal cross section, the top surface of the boss is connected and equipped with flange air inlet, the top surface one end of the box is equipped with flange air outlet.

[0006] Preferably, the circulating pipes are arranged in a serpentine shape, the lower ends of the circulating pipes are connected and fixed to the water inlet pipe, and the upper ends of the circulating pipes are connected and fixed to the water outlet pipe.

[0007] Preferably, a plurality of heat-conducting sheets are arranged at equal intervals on the circulating pipes.

[0008] Preferably, the inner bottom surface of the box is provided with a first inclined plate, a rectangular through slot is formed in the lower end of the first inclined plate to communicate with the upper end of one side of the water tank, the inner bottom surface of the water tank is provided with a second inclined plate, and the inclination direction of the second inclined plate is opposite to that of the first inclined plate.

[0009] Preferably, the lower end of the inner bottom surface of the box is connected and equipped with a drain pipe, and the end of the drain pipe is equipped with a flange plate.

[0010] Preferably, the heat-conducting sheets are made of copper sheets.

[0011] Compared with the prior art, the utility model discloses the beneficial effect is: the utility model discloses the layout cooperation of box and circulating pipeline, the condensate is heated fully, improve the temperature -raising device's heating efficiency, can realize the function of high -efficient promotion condensate temperature in furtherance, through the combination of circulating pipeline and heat conduction piece, the heat transfer is accelerated, improve the high efficiency of heat exchange, can realize the function of enhancing the heating effect in furtherance, through the structure cooperation of box and water tank and first inclined plate, second inclined plate, the water drop of steam condensation is collected and dredged, improve the drainage convenience of device, can realize the function of preventing water drop in device in furtherance random flow accumulation, through the connection cooperation of first inclined plate and drain pipe and flange disc, the water is drained in time, improve the smoothness of drainage, can realize the function of reducing the corrosion damage of device internal structure by the water in furtherance, through the intercommunication of water inlet pipeline, water outlet pipeline and circulating pipeline, the condensate is circulated and flows stably, improve the stability of condensate flow, can realize the function of guaranteeing the heating uniformity in furtherance, finally solved the problem that the steam condensation water drop of existing temperature -raising device lacks collection and leads to the equipment easy corrosion damage, improve the heating effect, stability and durability. BRIEF DESCRIPTION OF DRAWINGS

[0012] The drawings described herein are used to provide further understanding of the utility model and constitute a part of this application, the illustrative embodiment of the utility model and its explanation are used to explain the utility model, and do not constitute undue limitation on the utility model. In the drawings:

[0013] Figure 1 It is the first view schematic diagram of the overall structure that the utility model proposes;

[0014] Figure 2 It is the second view schematic diagram of the overall structure that the utility model proposes;

[0015] Figure 3 It is the third view schematic diagram of the overall structure that the utility model proposes;

[0016] Figure 4 It is the first view schematic diagram of the overall cross section structure that the utility model proposes.

[0017] The serial number in the drawing: 1, box;2, water inlet pipeline;3, water outlet pipeline;4, circulating pipeline;5, water tank;6, flange air inlet;7, flange air outlet;8, heat conduction piece;9, drain pipe;10, flange disc;11, first inclined plate;12, second inclined plate. DETAILED DESCRIPTION

[0018] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments only are a part of the embodiments of the utility model, not all the embodiments.

[0019] Embodiment: see Figures 1-4 The utility model discloses a kind of temperature raising device for steam turbine condensate water temperature raising, including box 1, water inlet pipeline 2 is installed in one side of box 1, the upper end of water inlet pipeline 2 is equipped with water outlet pipeline 3, several rows of circulating pipelines 4 are equidistantly equipped inside box 1, water tank 5 is communicated and arranged in the bottom end of box 1, the one end of box 1 is equipped with the boss with trapezoidal cross section, flange air inlet 6 is communicated and arranged in the top surface of boss, flange air outlet 7 is equipped with in the top surface one end of box 1, box 1 is as a whole containment structure, provides installation foundation and protective space for each component inside, ensure the stability and sealing of entire temperature raising device, water inlet pipeline 2 can accurately introduce the condensate water to be heated, so that condensate water orderly enters the internal circulation system of temperature raising device, water outlet pipeline 3 then facilitates the condensate water after heating to be discharged smoothly, realize the directional flow circulation of condensate water in device, several rows of circulating pipelines 4 increase the contact area and contact time of condensate water and steam etc., improve heat exchange efficiency, to effectively improve the temperature of condensate water, water tank 5 is used to collect the water after steam condensation, avoid its in box 1 with random flow influence heat exchange and device operation, flange air inlet 6 is convenient for high-temperature steam to enter box 1 stably, provide heat source for condensate water temperature raising, flange air outlet 7 can make the steam or other gas after heat exchange to be discharged smoothly, ensure that the pressure balance and gas flow in device are smooth, circulating pipeline 4 is arranged in serpentine, the lower end of circulating pipeline 4 is all communicated and fixedly connected with water inlet pipeline 2, the upper end of circulating pipeline 4 is all communicated and fixedly connected with water outlet pipeline 3, the serpentine arrangement of circulating pipeline 4 greatly prolongs the flow path of condensate water in pipeline, increases the contact duration and contact area of condensate water and steam etc.

[0020] In the utility model, the inner bottom surface of the box 1 is equipped with the first inclined plate 11, the lower end of the first inclined plate 11 is equipped with the rectangular through slot to communicate with the upper end of one side of the water tank 5, the inner bottom surface of the water tank 5 is equipped with the second inclined plate 12, the inclination direction of the second inclined plate 12 is opposite to that of the first inclined plate 11, the first inclined plate 11 can make the water drops condensed by steam flow rapidly to the lower end under the action of gravity and flow into the water tank 5 through the rectangular through slot, effectively prevent the water drops from gathering randomly on the inner bottom surface of the box 1, avoid the heat exchange efficiency reduction caused by the accumulated water and the corrosion to the internal structure of the box 1, the second inclined plate 12 in the water tank 5 is opposite to the inclination direction of the first inclined plate 11, which is convenient for the accumulated water in the water tank 5 to concentrate in a specific direction, facilitate the subsequent drainage operation, ensure that there is no local excessive water accumulation or dead water area in the water tank 5, improve the collection and temporary storage efficiency of the condensed water in the water tank 5, guarantee the stable operation and long-term use of the whole temperature raising device, the lower end of the inner bottom surface of the box 1 is communicated and equipped with the drain pipe 9, the end of the drain pipe 9 is equipped with the flange plate 10, the drain pipe 9 can timely drain the small amount of accumulated water in the lower end of the box 1, prevent the accumulated water from causing immersion damage to the components in the box 1, ensure the dryness and cleanness of the internal environment of the temperature raising device, the setting of the flange plate 10 facilitates the connection of the drain pipe 9 and the external pipeline or container, improve the convenience and sealing property of the drainage operation, ensure the safety and stability of the drainage process, further enhance the practicability and reliability of the temperature raising device, reduce the failure and maintenance cost caused by the drainage problem, the material of the heat conduction sheet 8 is copper sheet, the copper sheet has excellent heat conduction performance, can rapidly conduct the heat of steam in the box 1 to the condensed water in the circulating pipeline 4, greatly improve the heat exchange efficiency and accelerate the warming speed of the condensed water, meanwhile, the copper material has good corrosion resistance and stability, can work stably for a long time in the high-temperature and humid internal environment of the temperature raising device, is not easy to rust or deform, prolong the service life of the heat conduction sheet 8, reduce the performance reduction or failure of the temperature raising device caused by the damage of the heat conduction sheet 8, guarantee the efficient and stable operation of the temperature raising device.

[0021] Working principle: in the utility model for use, high temperature steam enters the box 1 through flange air inlet 6 at the same time, condensed water flows into the circulating pipeline 4 that presents the snakelike arrangement through the water inlet pipeline 2, copper heat conduction fin 8 on circulating pipeline 4 rapidly exchanges heat with the high temperature steam in the box 1, because copper sheet has good thermal conductivity, it quickly absorbs the heat of steam to the outer wall of circulating pipeline 4, and then makes the temperature of condensed water in the pipeline rise, with the heat being absorbed constantly, steam condenses into water droplets after contacting copper sheet due to temperature reduction, these water droplets flow along the first inclined plate 11 to the lower end under the action of gravity, and flow into the water tank 5 through the rectangular through slot, the second inclined plate 12 in the water tank 5 makes the accumulated water concentrate in a specific direction, so as to be discharged through the drain pipe 9, connect external drainage facilities through the end flange plate 10, the condensed water after temperature rise continues to flow in the circulating pipeline 4, and finally flows out the temperature raising device through the water outlet pipeline 3, so as to realize the temperature raising treatment of steam turbine condensed water.

[0022] The above is only the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme and the utility model concept of the utility model, carries out equivalent replacement or change, should be covered in the protection scope of the utility model.

Claims

1. A device for increasing the temperature of condensate water of a steam turbine, comprising a box (1), characterized in that: The side of the box (1) is provided with a water inlet pipe (2), the upper end of the water inlet pipe (2) is provided with a water outlet pipe (3), the inside of the box (1) is provided with several rows of circulating pipes (4) at equal intervals, the bottom end of the box (1) is provided with a water tank (5) in communication, one end of the box (1) is provided with a boss with a trapezoidal cross section, the top surface of the boss is provided with a flange air inlet (6) in communication, one end of the top surface of the box (1) is provided with a flange air outlet (7).

2. A temperature raising device for raising the temperature of condensate water of a steam turbine according to claim 1, characterized in that: The circulating pipes (4) are arranged in a serpentine shape, the lower ends of the circulating pipes (4) are all in communication and fixedly connected with the water inlet pipe (2), and the upper ends of the circulating pipes (4) are all in communication and fixedly connected with the water outlet pipe (3).

3. A device for raising the temperature of condensate water of a steam turbine according to claim 2, characterized in that: Several heat-conducting sheets (8) are arranged on the circulating pipes (4) at equal intervals.

4. A device for raising the temperature of condensate water of a steam turbine according to claim 3, characterized in that: The inner bottom surface of the box (1) is provided with a first inclined plate (11), the lower end of the first inclined plate (11) is provided with a rectangular through slot in communication with the upper end of one side of the water tank (5), the inner bottom surface of the water tank (5) is provided with a second inclined plate (12), and the inclination direction of the second inclined plate (12) is opposite to that of the first inclined plate (11).

5. A device for warming up the condensate water of a steam turbine according to claim 4, characterized in that: The inner bottom surface of the box (1) is provided with a drain pipe (9) in communication with the lower end, and the end of the drain pipe (9) is provided with a flange plate (10).

6. A device for warming up the condensate water of a steam turbine according to claim 5, characterized in that: The material of the heat-conducting sheet (8) is copper sheet.

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