Spiral efficient steam superheater

Abstract

The utility model discloses a spiral type efficient steam superheater, and belongs to the technical field of steam superheaters. A spiral type efficient steam superheater comprises a superheater body, a gas collecting disc is fixedly installed in the superheater body, a large spiral pipe communicated with the gas collecting disc is fixedly installed below the gas collecting disc, and a first through type gas inlet pipe and a first through type gas outlet pipe are fixedly installed on the surface of the superheater body. One end of the first air inlet pipe communicates with the air collecting disc. According to the spiral type efficient steam superheater, steam passes through a second air inlet pipe, an air collecting cylinder, a plurality of small spiral pipes and a hollow disc and then is discharged from a second air outlet pipe, the steam passes through a first air inlet pipe, an air collecting disc and a large spiral pipe and then is discharged from a first air outlet pipe, and vertical cross ventilation of the steam is adopted, so that the heat exchange effect is higher; due to the design of the gas collecting disc, the large spiral pipe, the multiple small spiral pipes and the hollow disc, the heat exchange area is increased, and then the heat exchange efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to steam superheater technical field more specifically, relate to a spiral high -efficient steam superheater. BACKGROUND

[0002] Steam superheater is a kind of equipment for heating saturated steam to superheated state.This kind of equipment plays a vital role in power system, steam turbine and various industrial applications, and the main function of steam superheater is to further heat the saturated steam generated by boiler, so that its temperature is higher than the saturation temperature at this pressure, thereby obtaining superheated steam.

[0003] Chinese patent application No.CN202222864570.8 discloses a spiral high -efficient steam superheater, which comprises an outer shell, a rotating gear is toothedly installed in the rotating gear slot, a servo motor is installed at the lower end of the rotating gear, and the servo motor is fixedly connected with a supporting base on one side, a splicing plugboard is inserted and combined in the inner wall of the splicing slot.

[0004] The above technical scheme drives toothed rotation adjustment through servo motor, rotating gear slot, rotating gear, sealing sliding bead, rotating disc and rotating groove, which is convenient for adjustment and use, the inner tank body is double-layer distributed on the inner wall of the outer shell, and the inner wall of the inner tank body can be heat-insulated by inner pad block, so that the temperature of tail gas is retained, and loss is avoided, and the spiral structure of heat exchange pipe can make the heat exchange area larger and the heat exchange effect better, since the structure of spiral pipe is relatively simple, the heat exchange area is limited, and it is difficult to meet the demand of efficient heat exchange, secondly, the traditional steam superheater can usually only transport steam through a one-way pipeline, which limits the flowability and heat exchange efficiency of steam, and in addition, when it is necessary to switch steam inlet and outlet, complex driving equipment and connecting device are often needed to realize, which not only increases the complexity and maintenance cost of equipment, but also can affect the continuous supply and heat exchange efficiency of steam. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a spiral high -efficient steam superheater to solve the problems in the above background technology.

[0006] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme.

[0007] A spiral high-efficiency steam superheater comprises a superheater body, an air collecting plate is fixedly installed inside the superheater body, a large spiral tube connected to the air collecting plate is fixedly installed below the air collecting plate, two through-type first air inlet pipes and first air outlet pipes are fixedly installed on the surface of the superheater body, one end of the first air inlet pipe is connected to the air collecting plate, and one end of the first air outlet pipe is connected to the large spiral tube, a hollow plate is fixedly installed on the inner bottom surface of the superheater body, a plurality of small spiral tubes are fixedly installed on the top surface of the hollow plate, and an air collecting cylinder connected to the plurality of small spiral tubes is fixedly installed above the plurality of small spiral tubes, and two through-type second air inlet pipes and second air outlet pipes are fixedly installed on the surface of the superheater body.

[0008] Preferably, one end of the second air inlet pipe is connected to the hollow disk, the second air outlet pipe is connected to the air collecting cylinder, and the second air outlet pipe, the air collecting cylinder, a plurality of small spiral tubes, the hollow disk and the second air inlet pipe are connected.

[0009] Preferably, the first air inlet pipe, the air collecting plate, the large spiral pipe and the first air outlet pipe are connected, and a plurality of supports are fixedly installed on the bottom surface of the superheater body.

[0010] Preferably, a fixing plate is provided between the gas collecting tray and the superheater body, and the gas collecting tray is fixedly connected to the inner wall of the superheater body through the fixing plate.

[0011] Preferably, a support column is fixedly installed on the inner bottom surface of the superheater body, and the hollow disk is fixedly connected to the superheater body through the support column.

[0012] Preferably, the top surface and bottom surface of the superheater body are respectively fixedly mounted with an exhaust gas outlet and an exhaust gas inlet communicating therewith.

[0013] Preferably, a plurality of U-shaped connecting pipes connected thereto are fixedly installed on the bottom surface of the gas collecting plate, a connecting pipe is fixedly installed between any one of the U-shaped connecting pipes and the large spiral pipe, and the plurality of U-shaped connecting pipes are connected to the large spiral pipe through the connecting pipes, and the first air inlet pipe, the gas collecting plate, the U-shaped connecting pipe, the connecting pipe, the large spiral pipe and the first air outlet pipe are connected.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] 1) When this spiral high-efficiency steam superheater is in use, steam passes through the second air inlet pipe, the air collecting cylinder, multiple small spiral tubes and the hollow disk, and is then discharged from the second air outlet pipe. Steam passes through the first air inlet pipe, the air collecting disk, the large spiral tube, and is then discharged from the first air outlet pipe. The use of vertical cross ventilation of steam makes the heat exchange effect higher. The design of the air collecting disk, the large spiral tube, the multiple small spiral tubes and the hollow disk increases the heat exchange area, thereby improving the heat exchange efficiency.

[0016] 2) The disc spiral high-efficiency steam superheater, when in use, is provided with connecting pipes and U-shaped connecting pipes between the gas collecting disc and the large disc spiral pipe, the steam flow time is increased, the heat exchange effect can be further improved, and the heat exchange efficiency of the superheater body is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the utility model;

[0018] Figure 2 It is a gas collecting disc structure schematic view of the utility model;

[0019] Figure 3 It is a large disc spiral pipe structure schematic view of the utility model;

[0020] Figure 4 It is a small disc spiral pipe structure schematic view of the utility model.

[0021] Mark explanation in the drawing: 1, superheater body; 2, gas collecting disc; 3, large disc spiral pipe; 4, first air inlet pipe; 5, first air outlet pipe; 6, support column; 7, hollow disc; 8, small disc spiral pipe; 9, gas collecting cylinder; 10, second air inlet pipe; 11, second air outlet pipe; 12, fixed plate; 13, waste gas inlet; 14, waste gas outlet; 15, support; 16, U-shaped connecting pipe; 17, connecting pipe. DETAILED DESCRIPTION

[0022] Example 1: please refer to Figure 1 - Figure 4 A disc spiral high-efficiency steam superheater, including superheater body 1, the inside fixed mounting of superheater body 1 has gas collecting disc 2, the inside of gas collecting disc 2 is hollow design, the lower portion of gas collecting disc 2 is fixedly installed with large disc spiral pipe 3 communicated with it, the surface of superheater body 1 is fixedly installed with two first air inlet pipe 4 and first air outlet pipe 5 penetrating respectively, one end of first air inlet pipe 4 is communicated with gas collecting disc 2, one end of first air outlet pipe 5 is communicated with large disc spiral pipe 3, the inside bottom surface of superheater body 1 is fixedly installed with hollow disc 7, the top surface of hollow disc 7 is fixedly installed with multiple small disc spiral pipes 8, the upper portion of multiple small disc spiral pipes 8 is fixedly installed with gas collecting cylinder 9 communicated with it, the surface of superheater body 1 is fixedly installed with two second air inlet pipe 10 and second air outlet pipe 11 penetrating respectively, steam passes through second air inlet pipe 10, gas collecting cylinder 9, multiple small disc spiral pipes 8 and hollow disc 7, and then is discharged from second air outlet pipe 11, steam passes through first air inlet pipe 4, gas collecting disc 2 and large disc spiral pipe 3, and then is discharged from first air outlet pipe 5, the up-and-down cross ventilation of steam is adopted, the heat exchange effect is higher, the design of gas collecting disc 2, large disc spiral pipe 3, multiple small disc spiral pipes 8 and hollow disc 7 increases the heat exchange area, and then the heat exchange efficiency is improved.

[0023] One end of the second inlet pipe 10 is communicated with the hollow disc 7, the second outlet pipe 11 is communicated with the gas collecting cylinder 9, the second outlet pipe 11, the gas collecting cylinder 9, the plurality of small disc spiral pipes 8, the hollow disc 7 and the second inlet pipe 10 are communicated, the steam enters from the second inlet pipe 10 below, passes through the gas collecting cylinder 9, the plurality of small disc spiral pipes 8 and the hollow disc 7 and flows out from the second outlet pipe 11, so that the steam is transported from bottom to top, and the steam passes through the first inlet pipe 4, the gas collecting disc 2, the large disc spiral pipe 3 and the first outlet pipe 5, so that the steam is transported from top to bottom.

[0024] The first inlet pipe 4, the gas collecting disc 2, the large disc spiral pipe 3 and the first outlet pipe 5 are communicated, and a plurality of supports 15 are fixedly installed on the bottom surface of the superheater body 1.

[0025] The fixed plate 12 is arranged between the gas collecting disc 2 and the superheater body 1, and the gas collecting disc 2 is fixedly connected with the inner wall of the superheater body 1 through the fixed plate 12.

[0026] The support column 6 is fixedly installed on the inner bottom surface of the superheater body 1, and the hollow disc 7 is fixedly connected with the superheater body 1 through the support column 6.

[0027] The waste gas outlet 14 and the waste gas inlet 13 are fixedly installed on the top surface and the bottom surface of the superheater body 1 respectively and communicated with the superheater body 1.

[0028] The use steps of the disc spiral type high-efficiency steam superheater are as follows: when the disc spiral type high-efficiency steam superheater is used, first, the two steam conveying inlet pipes are respectively communicated with the first inlet pipe 4 and the second inlet pipe 10, the steam conveying outlet pipe is communicated with the first outlet pipe 5 and the second outlet pipe 11, and steam is input into the first inlet pipe 4 and the second inlet pipe 10 at the same time, at this time, waste gas is input into the waste gas outlet 14 and enters the superheater body 1, the steam passes through the first inlet pipe 4, the gas collecting disc 2 and the large disc spiral pipe 3 and is discharged from the first outlet pipe 5, the steam passes through the second inlet pipe 10, the gas collecting cylinder 9, the plurality of small disc spiral pipes 8 and the hollow disc 7 and is discharged from the second outlet pipe 11, at this time, waste gas is input into the waste gas outlet 14 and is discharged from the waste gas inlet 13 after entering the superheater body 1, at this time, the steam in the gas collecting disc 2, the large disc spiral pipe 3, the plurality of small disc spiral pipes 8 and the hollow disc 7 and the waste gas in the superheater body 1 realize heat exchange, the steam passes through the second inlet pipe 10, the gas collecting cylinder 9, the plurality of small disc spiral pipes 8 and the hollow disc 7 and is discharged from the second outlet pipe 11, and the steam passes through the first inlet pipe 4, the gas collecting disc 2 and the large disc spiral pipe 3 and is discharged from the first outlet pipe 5, the steam is cross ventilated up and down, the heat exchange effect is higher, the gas collecting disc 2, the large disc spiral pipe 3, the plurality of small disc spiral pipes 8 and the hollow disc 7 are designed, the heat exchange area is increased, and the heat exchange efficiency is improved.

[0029] Example 2: please refer to Figure 1 - Figure 4, the difference of which is that the bottom surface of the gas collecting disc 2 is fixedly provided with a plurality of U-shaped connecting pipes 16 communicated with the gas collecting disc 2, and each of the U-shaped connecting pipes 16 is fixedly provided with a connecting pipe 17 between the U-shaped connecting pipe 16 and the large disc spiral pipe 3, the first gas inlet pipe 4, the gas collecting disc 2, the U-shaped connecting pipe 16, the connecting pipe 17, the large disc spiral pipe 3 and the first gas outlet pipe 5 are communicated, and the connecting pipe 17 and the U-shaped connecting pipe 16 are arranged between the gas collecting disc 2 and the large disc spiral pipe 3, so that the steam flow time is prolonged, the heat exchange effect is further improved, and the heat exchange efficiency of the superheater body 1 is improved.

[0030] The use steps of the disc spiral type high-efficiency steam superheater are as follows: the connecting pipe 17 and the U-shaped connecting pipe 16 are arranged between the gas collecting disc 2 and the large disc spiral pipe 3, so that the steam flow time is prolonged, the heat exchange effect is further improved, and the heat exchange efficiency of the superheater body 1 is improved.

[0031] The basic principle, main features and advantages of the disc spiral type high-efficiency steam superheater are shown and described above. It should be understood by those skilled in the art that the disc spiral type high-efficiency steam superheater is not limited by the above embodiments, and the above embodiments and the description in the specification are only preferred examples of the disc spiral type high-efficiency steam superheater and are not used to limit the disc spiral type high-efficiency steam superheater. Without departing from the spirit and scope of the disc spiral type high-efficiency steam superheater, various changes and improvements can be made to the disc spiral type high-efficiency steam superheater, and these changes and improvements all fall within the scope of the claimed disc spiral type high-efficiency steam superheater. The protection scope of the disc spiral type high-efficiency steam superheater is defined by the appended claims and their equivalents.

Claims

1. A spiral high-efficiency steam superheater comprising a superheater body (1), characterized in that: The inside of the superheater body (1) is fixedly installed with a gas collecting disc (2), the lower side of the gas collecting disc (2) is fixedly installed with a large disc coil (3) in communication therewith, the surface of the superheater body (1) is fixedly installed with two penetrating first air inlet pipes (4) and first air outlet pipes (5) respectively, one end of the first air inlet pipe (4) is in communication with the gas collecting disc (2), one end of the first air outlet pipe (5) is in communication with the large disc coil (3), the inside bottom surface of the superheater body (1) is fixedly installed with a hollow disc (7), the top surface of the hollow disc (7) is fixedly installed with a plurality of small disc coils (8), the upper side of the plurality of small disc coils (8) is fixedly installed with a gas collecting cylinder (9) in communication therewith, the surface of the superheater body (1) is fixedly installed with two penetrating second air inlet pipes (10) and second air outlet pipes (11) respectively.

2. A disc spiral high efficiency vapor superheater as claimed in claim 1, wherein: One end of the second air inlet pipe (10) is in communication with the hollow disc (7), the second air outlet pipe (11) is in communication with the gas collecting cylinder (9), the second air outlet pipe (11), the gas collecting cylinder (9), the plurality of small disc coils (8), the hollow disc (7) and the second air inlet pipe (10) are in communication.

3. A disc spiral high efficiency vapor superheater as claimed in claim 1, wherein: The first air inlet pipe (4), the gas collecting disc (2), the large disc coil (3) and the first air outlet pipe (5) are in communication, the bottom surface of the superheater body (1) is fixedly installed with a plurality of supports (15).

4. A spiral high efficiency vapor superheater as claimed in claim 1, wherein: The fixed plate (12) is arranged between the gas collecting disc (2) and the superheater body (1), the gas collecting disc (2) is fixedly connected with the inner wall of the superheater body (1) through the fixed plate (12).

5. A spiral high efficiency vapor superheater as claimed in claim 1, wherein: The inside bottom surface of the superheater body (1) is fixedly installed with a supporting column (6), the hollow disc (7) is fixedly connected with the superheater body (1) through the supporting column (6).

6. A spiral high efficiency vapor superheater as claimed in claim 1, wherein: The top surface and the bottom surface of the superheater body (1) are fixedly installed with a waste gas outlet (14) and a waste gas inlet (13) in communication therewith respectively.

7. A spiral high efficiency vapor superheater as set forth in claim 3 wherein: The bottom surface of the gas collecting disc (2) is fixedly installed with a plurality of U-shaped connecting pipes (16) in communication therewith, the connecting pipe (17) is fixedly installed between any one of the U-shaped connecting pipes (16) and the large disc coil (3), the plurality of U-shaped connecting pipes (16) are in communication with the large disc coil (3) through the connecting pipe (17), the first air inlet pipe (4), the gas collecting disc (2), the U-shaped connecting pipe (16), the connecting pipe (17), the large disc coil (3) and the first air outlet pipe (5) are in communication.

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