Steam-water sampling constant-temperature device for production of thermal power plant

Abstract

The utility model provides a steam-water sampling constant temperature device for production of a thermal power plant, which relates to the technical field of steam-water sampling constant temperature equipment and comprises a frame body, a pipeline, a detector and a storage tank are arranged on one side of the frame body, the pipeline is connected with the storage tank, and the detector is connected with the storage tank. The detector is connected with the storage tank, a heating device is arranged in the storage tank, an adjusting device is arranged at the bottom of the frame body, the heating device comprises a motor, the motor is fixedly connected with the storage tank, and the output end of the motor is fixedly connected with a two-way screw rod. The temperature of the steam water in the storage tank can be kept in a designated area, the situation that the temperature of the steam water is reduced after the steam water is conveyed into the storage tank through a pipeline, and errors occur when a detector detects the steam water subsequently is reduced is reduced, and the continuous monitoring efficiency of the steam water is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to steam and water sampling constant temperature equipment technical field especially relates to steam and water sampling constant temperature device for thermal power plant production. BACKGROUND

[0002] In the unit starting process of electric power industry, with the improvement of boiler working pressure, the steam density is increasing, and the steam salt dissolving capacity is also stronger and stronger, and the salt dissolved in the steam may precipitate on the low pressure channel and blade of steam turbine, seriously affect the safety and normal work of steam turbine, at present, part of chemical instrument of electric power industry is using the way of chemical reaction to realize the salt content measurement in steam and water, for example, online silicon table etc., the sample water temperature requirement of this kind of instrument is higher.

[0003] The existing automobile sampling equipment adopts pipeline to transport the steam and water taken out from the thermal power plant to the water storage tank, and then uses the detector to detect the steam and water in the water storage tank, but because the steam and water are transported in the pipeline for a long time, and are easily affected by the external environment temperature, the steam and water may have a large temperature change in the transportation process, causing errors in the detection of steam and water samples, and affecting the monitoring of salt content index in steam and water. UTILITY MODEL CONTENTS

[0004] The utility model discloses a steam and water sampling constant temperature device for thermal power plant production, which is provided to solve the problems in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: the steam and water sampling constant temperature device for thermal power plant production, including the frame, the one side of frame is provided with the pipeline, the one side of frame is provided with the detector, the one side of frame is provided with the storage jar, the pipeline is connected with storage jar, the detector is connected with storage jar, the inside of storage jar is provided with heating device, the bottom of frame is provided with adjusting device, the heating device includes motor, the motor is fixedly connected with storage jar, the output end of motor is fixedly connected with the bidirectional screw rod, the bidirectional screw rod sets up in the inside of storage jar, the surface screw thread shape of bidirectional screw rod is opposite symmetry arrangement, the surface symmetry screw thread of bidirectional screw rod is connected with two screw hole plates, the surface of two screw hole plates all is slidably connected with the inner wall of storage jar, two screw hole plates all are limited through self recess and storage jar inner wall boss, the inner wall of two screw hole plates all is fixedly connected with a plurality of heating pipes.

[0006] The effect achieved by the above-mentioned components is that: by arranging the heating device, first, the steam and water of the power plant enters the inside of the storage tank through the pipeline, at this time, the motor is started, so that the motor drives the bidirectional screw rod to rotate, so that the bidirectional screw rod drives the two screw hole plates to move oppositely along the inside of the storage tank, so that the two screw hole plates drive the plurality of heating pipes to move oppositely along the inside of the storage tank, so that the two screw hole plates push the steam and water in the inside of the storage tank and make the steam and water contact with the plurality of heating pipes, so that the heating pipes uniformly heat the steam and water in the inside of the storage tank, so that the temperature of the steam and water in the inside of the storage tank is kept in a specified area, reducing the situation that the temperature of the steam and water is reduced after the steam and water is transported to the inside of the storage tank through the pipeline, causing errors when the subsequent detector detects the steam and water, and improving the continuous monitoring efficiency of the steam and water.

[0007] Preferably, a plurality of through holes are arranged on one side of each of the two screw hole plates.

[0008] The effect achieved by the above-mentioned components is that: by arranging the through holes, the steam and water can be discharged through the plurality of through holes when the screw hole plates push the steam and water in the inside of the storage tank, improving the scattering effect of the screw hole plates on the steam and water, and increasing the uniformity of the contact between the steam and water and the heating pipes.

[0009] Preferably, a limiting plate is fixedly connected to the end of the bidirectional screw rod away from the motor, and the surface of the limiting plate is larger than the inner wall of the screw hole plate.

[0010] The effect achieved by the above-mentioned components is that: by arranging the limiting plate, the limiting plate can intercept the screw hole plate away from the motor, reducing the situation that the screw hole plate away from the motor is separated from the surface of the bidirectional screw rod during movement.

[0011] Preferably, a partition plate is fixedly connected to the middle position of the bidirectional screw rod, and the surface of the partition plate is larger than the inner wall of the screw hole plate.

[0012] The effect achieved by the above-mentioned components is that: by arranging the partition plate, the partition plate can separate the two screw hole plates, reducing the situation that the two screw hole plates move to the abutting position and collide, causing damage to the surface of the screw hole plate.

[0013] Preferably, a plurality of rubber blocks are fixedly connected to the surface of the partition plate in a symmetrical manner, and the plurality of rubber blocks are arranged at equal distances.

[0014] The effect achieved by the above-mentioned components is that: by arranging the rubber blocks, the rubber blocks can block the screw hole plate and the surface of the partition plate, reducing the situation that the screw hole plate and the surface of the partition plate directly contact each other, causing wear on the surface of the screw hole plate.

[0015] Preferably, the adjusting device comprises a screw hole pipe fixedly connected with the frame body, a bolt threadedly connected with the inner wall of the screw hole pipe, and a round hole rod slidingly connected with the inner wall of the screw hole pipe, one end of the round hole rod being fixedly connected with a bottom plate, the surface size and shape of the bolt being matched with the inner wall size and shape of the round hole rod.

[0016] The above components achieve the effects that: by setting the adjusting device, first manually moving the round hole rod to make the round hole rod move up and down inside the screw hole pipe, making the round hole rod drive the bottom plate to move up and down, when the bottom plate moves to a specified position, making the inner wall of the screw hole pipe coincide with the inner wall of any round hole of the round hole rod, at this time manually rotating the bolt to make the bolt rotate into the position inside the screw hole pipe and the round hole rod to fix the position of the round hole rod and the bottom plate, at this time placing the frame body through the round rod and the bottom plate, completing the placement height adjustment of the frame body, reducing the situation that the frame body shakes when placed on uneven ground, improving the placement stability of the frame body and the convenience of height adjustment.

[0017] Preferably, the bottom plate is fixedly connected with a plurality of anti-skid strips on one side, and the plurality of anti-skid strips are arranged in rotation.

[0018] The above components achieve the effects that: by setting the anti-skid strips, the anti-skid strips can increase the friction between the bottom plate and the ground, reducing the situation that the bottom plate slips when supporting the frame body.

[0019] Preferably, one end of the bolt is fixedly connected with a twisting block, and a plurality of semicircular grooves are formed in the surface of the twisting block.

[0020] The above components achieve the effects that: by setting the twisting block, the twisting block can increase the contact area of the bolt, so that personnel can quickly rotate the bolt by manually rotating the twisting block, improving the convenience of manually rotating the bolt.

[0021] Compared with the prior art, the utility model has the advantages and positive effects that:

[0022] In the utility model, by setting the heating device, the temperature of the steam water in the storage tank can be kept in a specified area, reducing the situation that the steam water temperature decreases after being transported to the storage tank through the pipeline, causing errors when the subsequent detector detects the steam water, and improving the continuous monitoring efficiency of the steam water. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0024] Figure 2 It is a partial sectional view of the storage tank of the utility model;

[0025] Figure 3 It is a three-dimensional structure schematic view of the utility modelFigure 2 A partial structural diagram;

[0026] Figure 4 This is a partial cross-sectional view of the frame of this utility model.

[0027] Legend: 1. Frame; 2. Pipe; 3. Detector; 4. Storage tank; 5. Heating device; 51. Motor; 52. Double-acting screw; 53. Screw hole plate; 54. Heating tube; 55. Through hole; 56. Limiting plate; 57. Partition plate; 58. Rubber block; 6. Adjusting device; 61. Screw hole tube; 62. Bolt; 63. Tightening block; 64. Round hole rod; 65. Base plate; 66. Anti-slip strip. Detailed Implementation

[0028] Reference Figures 1-3 As shown, this embodiment discloses a constant temperature sampling device for steam and water used in thermal power plant production. It includes a frame 1, a pipe 2 on one side of the frame 1, a detector 3 on one side of the frame 1, and a storage tank 4 on one side of the frame 1. The pipe 2 is connected to the storage tank 4, and the detector 3 is connected to the storage tank 4. A heating device 5 is installed inside the storage tank 4, and an adjustment device 6 is installed at the bottom of the frame 1. The heating device 5 includes a motor 51, which is fixedly connected to the storage tank 4. A bidirectional screw 52 is fixedly connected to the output end of the motor 51. The bidirectional screw 52 is located inside the storage tank 4, and its surface threads are arranged in opposite symmetrical patterns. Two screw hole plates 53 are symmetrically threaded onto the surface of the bidirectional screw 52. The surfaces of both screw hole plates 53 are slidably connected to the inner wall of the storage tank 4. Both screw hole plates 53 are limited by their own grooves and protrusions on the inner wall of the storage tank 4. Multiple heating tubes 54 are fixedly connected to the inner wall of the orifice plate 53. By setting up the heating device 5, the steam and water from the thermal power plant first enter the storage tank 4 through the pipe 2. At this time, the motor 51 is started, which drives the bidirectional screw 52 to rotate. The bidirectional screw 52 drives the two screw orifice plates 53 to move in opposite directions along the inside of the storage tank 4. The two screw orifice plates 53 drive the multiple heating tubes 54 to move in opposite directions along the inside of the storage tank 4. The two screw orifice plates 53 push the steam and water inside the storage tank 4 and make the steam and water contact the multiple heating tubes 54. This allows the heating tubes 54 to heat the steam and water inside the storage tank 4 evenly, keeping the temperature of the steam and water inside the storage tank 4 within a specified range. This reduces the possibility of the steam and water temperature dropping after being transported into the storage tank 4 through the pipe 2, which could cause errors when the subsequent detector 3 detects the steam and water. This improves the efficiency of continuous monitoring of the steam and water.

[0029] Reference Figure 2 and Figure 3As shown, the embodiment discloses that one side of the two screw hole plates 53 is provided with a plurality of through holes 55, and the plurality of through holes 55 are arranged at equal distances. By arranging the through holes 55, the steam and water in the storage tank 4 can be discharged through the plurality of through holes 55 when the screw hole plate 53 pushes the steam and water, the dispersion effect of the steam and water by the screw hole plate 53 is improved, the uniformity of the contact between the steam and water and the heating pipe 54 is increased, the end of the bidirectional screw rod 52 away from the motor 51 is fixedly connected with a limiting plate 56, the surface of the limiting plate 56 is larger than the inner wall of the screw hole plate 53, and by arranging the limiting plate 56, the limiting plate 56 can intercept the screw hole plate 53 away from the motor 51, so that the screw hole plate 53 away from the motor 51 is prevented from separating from the surface of the bidirectional screw rod 52 during movement.

[0030] Referring to Figure 2 and Figure 3 As shown, the embodiment discloses that the middle part of the bidirectional screw rod 52 is fixedly connected with a partition plate 57, the surface of the partition plate 57 is larger than the inner wall of the screw hole plate 53, and by arranging the partition plate 57, the two screw hole plates 53 can be separated by the partition plate 57, so that the two screw hole plates 53 are prevented from moving to the abutting position and colliding to cause damage to the surface of the screw hole plate 53, a plurality of rubber blocks 58 are symmetrically fixedly connected to the surface of the partition plate 57, and the plurality of rubber blocks 58 are arranged at equal distances. By arranging the rubber blocks 58, the rubber blocks 58 can block the surface of the screw hole plate 53 and the partition plate 57, so that the surface of the screw hole plate 53 is prevented from being directly contacted with the surface of the partition plate 57 to cause abrasion.

[0031] Referring to Figure 4 As shown, the embodiment discloses that the adjusting device 6 comprises a screw hole pipe 61, the screw hole pipe 61 is fixedly connected with the frame body 1, the inner wall of the screw hole pipe 61 is threadedly connected with a screw 62, the inner wall of the screw hole pipe 61 is slidably connected with a round hole rod 64, one end of the round hole rod 64 is fixedly connected with a bottom plate 65, and the surface size and shape of the screw 62 are adapted to the inner wall size and shape of the round hole rod 64. By arranging the adjusting device 6, first, the round hole rod 64 is manually moved, so that the round hole rod 64 moves up and down in the screw hole pipe 61, and the bottom plate 65 is driven to move up and down, when the bottom plate 65 moves to a specified position, the inner wall of the screw hole pipe 61 is coincided with the inner wall of any round hole of the round hole rod 64, at this time, the screw 62 is manually rotated to enter the inner position of the screw hole pipe 61 and the round hole rod 64 to fix the position of the round hole rod 64 and the bottom plate 65, at this time, the frame body 1 is placed through the round rod and the bottom plate 65, the height adjustment of the frame body 1 is completed, the frame body 1 is prevented from shaking left and right when placed on uneven ground, and the placing stability of the frame body 1 and the convenience of height adjustment are improved.

[0032] Referring to Figure 4As shown, the embodiment discloses that one side of the bottom plate 65 is fixedly connected with a plurality of anti-skid strips 66, the plurality of anti-skid strips 66 are arranged in rotation, by arranging the anti-skid strips 66, the anti-skid strips 66 can increase the friction between the bottom plate 65 and the ground, reduce the sliding of the bottom plate 65 when supporting the frame body 1, one end of the bolt 62 is fixedly connected with a screw block 63, a plurality of semicircular grooves are arranged on the surface of the screw block 63, by arranging the screw block 63, the screw block 63 can increase the contact area of the bolt 62, so that the personnel can manually rotate the screw block 63 to drive the bolt 62 to rotate quickly, and the convenience of manually rotating the bolt 62 is improved.

[0033] Working principle: first, the steam water of the power plant enters the inside of the storage tank 4 through the pipeline 2, completes the sampling and storage of the steam water, at this time, the motor 51 is started, the motor 51 drives the bidirectional screw rod 52 to rotate, the bidirectional screw rod 52 drives the two screw hole plates 53 to move oppositely along the inside of the storage tank 4, the two screw hole plates 53 drive a plurality of heating pipes 54 to move oppositely along the inside of the storage tank 4, the two screw hole plates 53 push the steam water in the inside of the storage tank 4 and make the steam water contact with the plurality of heating pipes 54, the heating pipes 54 uniformly heat the steam water in the inside of the storage tank 4, the temperature of the steam water in the inside of the storage tank 4 is kept in a specified area, the constant temperature treatment of the steam water in the inside of the storage tank 4 is completed, at this time, the valve between the storage tank 4 and the detector 3 is opened, the steam water in the inside of the storage tank 4 enters the inside of the detector 3 through the connecting pipe to be detected, and the salt content in the steam water is obtained.

[0034] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present application shall fall within the protection scope of the present application. In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection" and "connection" should be understood broadly, for example, it can be fixed connection, detachable connection or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediate medium; it can be the communication between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

Claims

1. A constant temperature device for steam and water sampling in power plant production, comprising a frame (1), characterized in that: The side of the frame body (1) is provided with a pipeline (2), the side of the frame body (1) is provided with a detector (3), the side of the frame body (1) is provided with a storage tank (4), the pipeline (2) is connected with the storage tank (4), the detector (3) is connected with the storage tank (4), the inside of the storage tank (4) is provided with a heating device (5), the bottom of the frame body (1) is provided with an adjusting device (6), the heating device (5) includes a motor (51), the motor (51) is fixedly connected with the storage tank (4), the output end of the motor (51) is fixedly connected with a bidirectional screw rod (52), the bidirectional screw rod (52) is arranged in the storage tank (4), the surface of the bidirectional screw rod (52) is oppositely symmetrical in screw thread shape, the surface of the bidirectional screw rod (52) is symmetrically connected with two screw hole plates (53), the surfaces of the two screw hole plates (53) are both in sliding connection with the inner wall of the storage tank (4), the two screw hole plates (53) are both positioned by the recesses and the inner wall protrusions of the storage tank (4), and the inner walls of the two screw hole plates (53) are both fixedly connected with a plurality of heating pipes (54).

2. The constant temperature device for steam-water sampling in the production of thermal power plants according to claim 1, characterized in that: A plurality of through holes (55) are formed in the side of the two screw hole plates (53), and the plurality of through holes (55) are equidistantly arranged.

3. The constant temperature device for steam and water sampling in the production of thermal power plants according to claim 1, characterized in that: The end, away from the motor (51), of the bidirectional screw rod (52) is fixedly connected with a limiting plate (56), and the surface of the limiting plate (56) is larger than the inner wall of the screw hole plate (53).

4. The constant temperature device for steam-water sampling in the production of thermal power plants according to claim 1, characterized in that: The middle position of the bidirectional screw rod (52) is fixedly connected with a partition plate (57), and the surface of the partition plate (57) is larger than the inner wall of the screw hole plate (53).

5. The constant temperature device for steam-water sampling of thermal power plant production according to claim 4, characterized in that: A plurality of rubber blocks (58) are fixedly connected to the surface of the partition plate (57) in a symmetrical manner, and the plurality of rubber blocks (58) are equidistantly arranged.

6. The constant temperature device for steam and water sampling in the production of thermal power plants according to claim 1, characterized in that: The adjusting device (6) comprises a screw hole pipe (61), the screw hole pipe (61) is fixedly connected with the frame body (1), the inner wall of the screw hole pipe (61) is threadedly connected with a bolt (62), the inner wall of the screw hole pipe (61) is in sliding connection with a circular hole rod (64), one end of the circular hole rod (64) is fixedly connected with a bottom plate (65), and the surface size and shape of the bolt (62) are adapted to the inner wall size and shape of the circular hole rod (64).

7. The constant temperature device for steam-water sampling of thermal power plant production according to claim 6, characterized in that: A plurality of anti-skid strips (66) are fixedly connected to the side of the bottom plate (65) in a rotating manner.

8. The constant temperature device for steam-water sampling of thermal power plant production according to claim 6, characterized in that: One end of the bolt (62) is fixedly connected with a twisting block (63), and a plurality of semicircular grooves are formed in the surface of the twisting block (63).

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