Automatic constant temperature device for water vapor sampling

Abstract

The utility model discloses an automatic constant temperature device for water vapor sampling, which comprises a main box body, a constant temperature box and a sampling box are fixedly connected in the main box body, a delivery pipe is fixedly communicated between the constant temperature box and the sampling box, a control valve is arranged on the delivery pipe, a steam extraction pump is fixedly connected on the inner side wall of the main box body, and the steam extraction pump is connected with a steam outlet. A steam inlet pipe is fixedly communicated between the steam extraction pump and the constant-temperature box, a steam extraction pipe is fixedly connected to the top end of the steam extraction pump, one end of the steam extraction pipe penetrates through the main box body and extends outwards, a refrigeration fan is fixedly connected to the inner top of the main box body, and the air outlet end of the refrigeration fan is fixedly inserted into the constant-temperature box; a supporting cylinder is fixedly connected to the inner top of the constant-temperature box, a mounting plate is slidably inserted into the main box body, impurities in water vapor can be filtered through the filter assembly, so that the sampling quality is prevented from being affected by the impurities, and the cooling effect of the water vapor can be improved through the temperature control assembly.

Description

Technical Field

[0001] The utility model relates to the field of water vapor sampling related products, in particular to an automatic constant temperature device for water vapor sampling. Background Art

[0002] A thermal power plant refers to a thermal power plant that uses steam extraction or exhaust from steam turbines to provide heat to users while generating electricity. The main working principle is to use the hot water generated by the thermal power plant and reheat it for heating. When the thermal power plant is in operation, in order to prevent the poor quality of water and steam from affecting the working performance of the thermal engine, a sampling device needs to be set up to sample the water vapor in its water pipes;

[0003] However, the existing sampling device cannot filter impurities in the water vapor during sampling, resulting in low sampling purity and low water vapor cooling efficiency, which is defective. Utility Model Content

[0004] The utility model aims to provide an automatic constant temperature device for water vapor sampling to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic constant temperature device for water vapor sampling, comprising a main box body, a constant temperature box and a sampling box are fixedly connected in the main box body, a delivery pipe is fixedly connected between the constant temperature box and the sampling box, a control valve is provided on the delivery pipe, a steam extraction pump is fixedly connected to the inner side wall of the main box body, a steam inlet pipe is fixedly connected between the steam extraction pump and the constant temperature box, a steam extraction pipe is fixedly connected to the top of the steam extraction pump, one end of the steam extraction pipe passes through the main box body and extends outward, a refrigeration fan is fixedly connected to the inner top of the main box body, and the air outlet end of the refrigeration fan is fixedly plugged into It is arranged in a constant temperature box, the inner top of the constant temperature box is fixedly connected to a support tube, the main box body is slidably inserted with a mounting plate, one end of the mounting plate passes through the constant temperature box and extends into the support tube, one end of the mounting plate located in the support tube is provided with a mounting port, a filter is fixedly connected in the mounting port, a sealing plate is fixedly connected to the other end of the mounting plate, a temperature sensor is fixedly connected to the inner wall at one end of the constant temperature box, a controller is fixedly connected to the outer wall of one side of the main box body, a sample discharge tube is fixedly inserted at one end of the sampling box, one end of the sample discharge tube passes through the main box body and is provided with a sample discharge valve.

[0006] Preferably, the output end of the temperature sensor is connected to the input end of the controller, and the output end of the controller is connected to the input end of the control valve.

[0007] Preferably, a groove is provided on one side outer wall of the main box body, a slide rod is fixedly connected in the groove, an L-shaped clamping rod is slidably sleeved on the slide rod, and a clamping groove corresponding to the L-shaped clamping rod is provided on the top of the sealing plate.

[0008] Preferably, four supporting feet arranged in a rectangular shape are fixedly connected to the bottom of the main box.

[0009] Preferably, a limiting groove is provided on an inner wall of one side of the support tube, and one end of the mounting plate is slidably inserted in the limiting groove.

[0010] Preferably, a spring is sleeved on the slide rod, and two ends of the spring are fixedly connected to the L-shaped clamping rod and the inner wall of the groove respectively.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The water vapor sampling automatic constant temperature device starts the steam extraction pump to draw in water vapor through the steam extraction pipe, and transports the water vapor to the constant temperature box through the steam inlet pipe. During the steam extraction process, the water vapor is filtered through the filter screen on the mounting plate to prevent impurities from entering the constant temperature box, and the refrigeration fan is started to inject cold air into the constant temperature box to quickly cool the water vapor. At the same time, the temperature sensor monitors the water vapor temperature in the constant temperature box. When the water vapor is cooled to a suitable temperature, the signal is sent to the controller, and the controller encodes the signal to start the control valve. At this time, the cooled water vapor enters the sampling box and is discharged through the sample discharge pipe for sampling. The utility model adopts the setting of the filter component to filter the impurities in the water vapor, thereby preventing the impurities from affecting the sampling quality, and the temperature control component can improve the cooling effect of the water vapor. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the automatic constant temperature device for water vapor sampling of the utility model;

[0014] Figure 2 This is an enlarged view of point A of the automatic constant temperature device for water vapor sampling of the present utility model.

[0015] In the figure: 1. Main box; 2. Constant temperature box; 3. Sampling box; 4. Delivery pipe; 5. Control valve; 6. Steam extraction pump; 7. Steam inlet pipe; 8. Steam extraction pipe; 9. Refrigeration fan; 10. Support cylinder; 11. Mounting plate; 12. Filter; 13. Sealing plate; 14. Temperature sensor; 15. Controller; 16. Sample discharge pipe; 17. Sample discharge valve; 18. Support foot; 19. Spring; 20. Sliding rod; 21. L-shaped clamping rod. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0017] See also Figure 1-2The utility model provides an embodiment: a water vapor sampling automatic constant temperature device, comprising a main box 1, a constant temperature box 2 and a sampling box 3 are fixedly connected in the main box 1, a delivery pipe 4 is fixedly connected between the constant temperature box 2 and the sampling box 3, a control valve 5 is provided on the delivery pipe 4, a steam extraction pump 6 is fixedly connected to the inner wall of the main box 1, a steam inlet pipe 7 is fixedly connected between the steam extraction pump 6 and the constant temperature box 2, a steam extraction pipe 8 is fixedly connected to the top of the steam extraction pump 6, and one end of the steam extraction pipe 8 passes through the main box 1 The inner top of the main box body 1 is fixedly connected to a refrigeration fan 9, and the air outlet end of the refrigeration fan 9 is fixedly inserted in the thermostatic box 2. The inner top of the thermostatic box 2 is fixedly connected to a support tube 10. A mounting plate 11 is slidably inserted on the main box body 1. One end of the mounting plate 11 passes through the thermostatic box 2 and extends into the support tube 10. An installation port is provided on one end of the mounting plate 11 located in the support tube 10. A filter screen 12 is fixedly connected in the mounting port. The other end of the mounting plate 11 is fixed A sealing plate 13 is connected, a temperature sensor 14 is fixedly connected to the inner wall at one end of the thermostatic box 2, a controller 15 is fixedly connected to the outer wall of one side of the main box body 1, and a sample discharge tube 16 is fixedly inserted at one end of the sampling box 3. One end of the sample discharge tube 16 passes through the main box body 1 and is provided with a sample discharge valve 17. Specifically, the steam extraction pump 6 is started to draw in water vapor through the steam extraction pipe 8, and the water vapor is transported to the thermostatic box 2 through the steam inlet pipe 7. During the steam extraction process, the water vapor is filtered through the filter screen 12 on the mounting plate 11 to prevent impurities from entering the thermostatic box 2. The refrigeration fan 9 is started to inject cold air into the thermostatic box 2 so that the water vapor is quickly cooled. At the same time, the temperature sensor 14 monitors the water vapor temperature in the thermostatic box 2. When the water vapor is cooled to a suitable temperature, a signal is sent to the controller 15. The controller 15 encodes the signal so that the control valve 5 is started. At this time, the cooled water vapor enters the sampling box 3 and is discharged through the sample discharge tube 16 for sampling.

[0018] In this embodiment, the output end of the temperature sensor 14 is connected to the input end of the controller 15, and the output end of the controller 15 is connected to the input end of the control valve 5; a groove is provided on the outer wall of one side of the main box body 1, and a slide rod 20 is fixedly connected in the groove, and an L-shaped clamping rod 21 is slidably sleeved on the slide rod 20, and a clamping groove corresponding to the L-shaped clamping rod 21 is provided on the top of the closed plate 13, and the L-shaped clamping rod 21 is slidably inserted into the clamping groove on the closed plate 13 to achieve the fixation of the closed plate 13; four supporting feet 18 arranged in a rectangular shape are fixedly connected to the bottom of the main box body 1 to support the main box body 1; a limiting groove is provided on the inner wall of one side of the support tube 10, and one end of the mounting plate 11 is slidably inserted in the limiting groove to support the mounting plate 11; a spring 19 is sleeved on the slide rod 20, and the two ends of the spring 19 are respectively fixedly connected to the L-shaped clamping rod 21 and the inner wall of the groove, so as to facilitate the rebound of the L-shaped clamping rod 21 and fix it in the clamping groove.

[0019] Working principle: First, start the steam extraction pump 6 to draw in water vapor through the steam extraction pipe 8, and transport the water vapor to the constant temperature box 2 through the steam inlet pipe 7. During the steam extraction process, the water vapor is filtered through the filter screen 12 on the mounting plate 11 to prevent impurities from entering the constant temperature box 2. Start the refrigeration fan 9 to inject cold air into the constant temperature box 2 to quickly cool the water vapor. At the same time, the temperature sensor 14 monitors the water vapor temperature in the constant temperature box 2. When the water vapor is cooled to a suitable temperature, the signal is sent to the controller 15. The controller 15 encodes the signal to start the control valve 5. At this time, the cooled water vapor enters the sampling box 3 and is discharged through the sample discharge pipe 16 for sampling.

[0020] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A water vapor sampling automatic constant temperature device, comprising a main box (1), characterized in that: A constant temperature box (2) and a sampling box (3) are fixedly connected inside the main box (1), a delivery pipe (4) is fixedly connected between the constant temperature box (2) and the sampling box (3), and a control valve (5) is provided on the delivery pipe (4). A steam extraction pump (6) is fixedly connected to the inner side wall of the main box (1), and a steam inlet pipe (7) is fixedly connected between the steam extraction pump (6) and the constant temperature box (2). A steam extraction pipe (8) is fixedly connected to the top of the steam extraction pump (6), and one end of the steam extraction pipe (8) passes through the main box (1) and extends outward. A refrigeration fan (9) is fixedly connected to the inner top of the main box (1), and the air outlet end of the refrigeration fan (9) is fixedly inserted in the constant temperature box (2). The inner top of the constant temperature box (2) is fixedly connected to a support The support tube (10) is provided with a mounting plate (11) which is slidably inserted on the main box (1), one end of the mounting plate (11) passes through the thermostatic box (2) and extends into the support tube (10), one end of the mounting plate (11) located in the support tube (10) is provided with a mounting opening, a filter screen (12) is fixedly connected in the mounting opening, a sealing plate (13) is fixedly connected on the other end of the mounting plate (11), a temperature sensor (14) is fixedly connected on the inner wall of one end of the thermostatic box (2), a controller (15) is fixedly connected on one side of the outer wall of the main box (1), a sample discharge tube (16) is fixedly inserted on one end of the sampling box (3), one end of the sample discharge tube (16) passes through the main box (1) and is provided with a sample discharge valve (17).

2. The automatic constant temperature device for water vapor sampling according to claim 1 is characterized in that: The output end of the temperature sensor (14) is connected to the input end of the controller (15), and the output end of the controller (15) is connected to the input end of the control valve (5).

3. The automatic constant temperature device for water vapor sampling according to claim 1 is characterized in that: A groove is provided on one side outer wall of the main box body (1), a slide rod (20) is fixedly connected in the groove, an L-shaped clamping rod (21) is slidably sleeved on the slide rod (20), and a clamping groove corresponding to the L-shaped clamping rod (21) is provided on the top of the sealing plate (13).

4. The automatic constant temperature device for water vapor sampling according to claim 1, characterized in that: Four supporting legs (18) arranged in a rectangular shape are fixedly connected to the bottom of the main box body (1).

5. The automatic constant temperature device for water vapor sampling according to claim 1 is characterized in that: A limiting groove is provided on an inner wall of one side of the support tube (10), and one end of the mounting plate (11) is slidably inserted into the limiting groove.

6. The automatic constant temperature device for water vapor sampling according to claim 3 is characterized in that: The slide bar (20) is sleeved with a spring (19), and two ends of the spring (19) are respectively fixedly connected to the L-shaped clamping rod (21) and the inner wall of the groove.

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