Intelligent sampling device for boiler steam water

Abstract

The invention relates to the technical field of steam sampling equipment, in particular to a boiler steam-water intelligent sampling device which comprises a condensation mechanism, the condensation mechanism comprises a ventilation pipe, one end of the ventilation pipe is communicated with a boiler, the end, away from the boiler, of the ventilation pipe is fixedly connected with a condensation pipe, and a spring circulating pipe is nested outside the condensation pipe; one end of the spring circulating pipe is communicated with the upper end of the condenser pipe through a water inlet, and the other end of the spring circulating pipe extends to the lower end of the condenser pipe and is fixedly connected with an external water pipe; the rotary table and the condensing device are driven by the motor to work cooperatively, and automatic steam collecting and cleaning are achieved. Premature liquefaction of steam is avoided by using the temperature gradient of cooling water, and the collection efficiency is improved; the automatic cleaning function prevents residual pollution and ensures the sample accuracy. The equipment is good in sealing performance, high in sampling efficiency, energy-saving and environment-friendly, and cooling water is recycled.

Description

Technical Field

[0001] The present invention relates to the technical field of steam sampling equipment, and more specifically, to an intelligent sampling device for boiler steam and water. Background Art

[0002] The boiler steam and water sampling device is an essential key device in the boiler system, mainly used for collecting boiler water and steam samples for chemical analysis and monitoring. During the operation of the boiler, the quality of the water directly affects the safety, efficiency, and service life of the boiler. If the boiler water and steam contain excessive impurities, dissolved oxygen, salts, or other harmful substances, it may lead to problems such as scale formation, corrosion inside the boiler, and a decline in steam quality. In severe cases, it may even cause safety accidents such as pipe bursts. Therefore, regular sampling and analysis of boiler water and steam are important measures to ensure the safe, stable, and efficient operation of the boiler.

[0003] Traditional steam sample collection methods usually rely on manual operation or simple condensation devices, which have problems such as low efficiency, easy sample contamination, and poor equipment sealing. At the same time, traditional equipment lacks an automatic cleaning function, and it is difficult to completely remove the residues on the inner wall of the condenser tube, which may contaminate subsequent samples and further affect the reliability of the analysis results.

[0004] In view of this, the present invention proposes an intelligent sampling device for boiler steam and water, which solves the above technical problems. Summary of the Invention

[0005] The purpose of this part is to outline some aspects of the embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this part, as well as in the abstract and title of the present application, to avoid obscuring the purpose of this part, the abstract, and the title. However, such simplifications or omissions shall not be used to limit the scope of the present invention.

[0006] The present invention provides a steam sample collection system that can achieve efficient condensation, automatic collection, precise cleaning, and has good sealing, which becomes the key requirement for solving the above technical problems.

[0007] An intelligent sampling device for boiler steam and water includes a condensation mechanism. The condensation mechanism includes a ventilation pipe. One end of the ventilation pipe is connected to the boiler, and the other end of the ventilation pipe away from the boiler is fixedly connected to a condenser tube. A spring circulation pipe is nested outside the condenser tube. One end of the spring circulation pipe is connected to the upper end of the condenser tube through a water inlet, and the other end of the spring circulation pipe extends to the lower end of the condenser tube and is fixedly connected to an external water pipe. Among them, both the ventilation pipe and the condenser tube are arc-shaped pipes, and the two form a semi-circular pipeline. Among them, a round ball is rotatably provided at the lower end of the condenser, and a return spring is provided above the round ball. The lower end of the return spring abuts against the round ball, and the upper end of the return spring is fixedly connected to the tube wall of the condenser. The upper end of the round ball is fixedly connected to a pull rope, which extends upward along the condenser and is fixedly connected to a sealing ring. The sealing ring and the opening coincide with each other, and the sealing ring and the upper end of the condenser are fixedly connected by a supporting spring, and an opening is provided on the sealing ring.

[0008] As a preferred solution of the boiler steam-water intelligent sampling device provided by the present invention, the middle part of the cable is guided by a fixing part, and the end of the cable close to the sealing ring is divided into three groups. The three groups of cables are distributed in a circular manner and fixedly connected to one end of the sealing ring.

[0009] As a preferred solution of the boiler steam-water intelligent sampling device provided by the present invention, when the blocking ring moves to a set distance in the condenser, the opening and the water inlet overlap and communicate with each other. As a preferred solution of the boiler steam-water intelligent sampling device provided by the present invention, the condensing mechanism is connected to the boiler through a connecting mechanism, the connecting mechanism includes an air guide pipe, the air guide pipe and the ventilation pipe are fixedly connected, and a flow valve is provided on the air guide pipe.

[0010] As a preferred solution of the boiler steam-water intelligent sampling device provided by the present invention, a pressure plate is fixedly connected to the air guide pipe, a sealing gasket is fixedly connected to the lower end of the pressure plate, and a thread is provided at the lower end of the air guide pipe.

[0011] As a preferred solution of the intelligent boiler steam-water sampling device provided by the present invention, a rotating mechanism is provided below the condenser, and the rotating mechanism includes a turntable. The turntable is located below the condenser, and a plurality of fixed grooves are distributed in a circle on the turntable, and a sampling tube is clamped in each fixed groove.

[0012] As a preferred solution of the boiler steam-water intelligent sampling device provided by the present invention, teeth are provided on the periphery of the turntable, and a gear is provided on one side of the turntable. The gear is meshed with the turntable through the teeth, and the gear is fixedly connected to the output shaft of the motor, and the motor is fixedly connected to the ventilation pipe.

[0013] As a preferred solution of the intelligent boiler steam-water sampling device provided by the present invention, a cleaning mechanism is provided on the turntable, and the cleaning mechanism includes a plurality of drain pipes, which are distributed in a circle on the turntable, and each drain pipe is located between two adjacent fixed grooves. A sponge is fixedly connected to the upper end of the drain pipe, and the lower ends of the plurality of drain pipes are fixedly connected to a collecting pipe, and the collecting pipe is fixedly connected to the sewage pipe through a rotating sealing joint.

[0014] As a preferred solution of the boiler steam-water intelligent sampling device provided by the present invention, a protective shell is provided outside the condensing mechanism, the rotating mechanism and the cleaning mechanism, and the sewage pipe and the external water pipe extend out of the protective shell.

[0015] As a preferred solution of the boiler steam-water intelligent sampling device provided by the present invention, a sampling port for taking out the sampling tube is opened on one side of the protective shell.

[0016] Beneficial effects of the present invention: In the present invention, efficient condensation and automatic collection of steam samples are achieved by optimizing the condensation system and turntable control mechanism. At the same time, the temperature gradient distribution of cooling water is used to avoid premature liquefaction of steam, ensuring the accuracy and efficiency of sample collection. In addition, the system automatically starts the cleaning function after sample collection, and uses residual temperature cooling water to clean the inner wall of the condenser tube, effectively preventing residual contamination and ensuring the accuracy of subsequent sampling. The equipment further improves the sealing, stability and sampling efficiency through sealing design and multiple sets of sampling tube configurations. At the same time, the recycling of cooling water and centralized discharge of sewage embody the design concept of energy conservation and environmental protection, and overall realizes efficient, accurate and environmentally friendly sample collection and processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative labor.

[0018] in: Figure 1 This is a schematic diagram of the overall structure of an intelligent boiler steam-water sampling device; Figure 2 This is a schematic diagram of the connection structure between a protective shell and a sampling port in an intelligent boiler steam-water sampling device; Figure 3 This is a schematic diagram of the connection structure inside the protective shell of a boiler steam-water intelligent sampling device; Figure 4 It is a schematic diagram of the connection structure of the condensing mechanism and the rotating mechanism in an intelligent boiler steam-water sampling device; Figure 5 for Figure 4 A magnified schematic diagram of the structure at center A; Figure 6 It is a schematic diagram of the connection structure of the condensation mechanism and the cleaning mechanism in an intelligent boiler steam-water sampling device; Figure 7 for Figure 6 A magnified schematic diagram of the structure at B in the middle; Figure 8 It is a schematic diagram of the connection structure of a condensing mechanism, a rotating mechanism and a cleaning mechanism in an intelligent boiler steam-water sampling device; In the figure: 1. Connecting mechanism; 11. Thread; 12. Sealing gasket; 13. Pressure plate; 14. Flow valve; 15. Protective shell; 16. Sampling port; 17. Air guide tube; 2. Condensation mechanism; 21. Ventilation pipe; 22. Condensation pipe; 23. Spring circulation pipe; 24. External water pipe; 25. Ball; 26. Return spring; 27. Cable; 28. Blocking ring; 29. ​​Opening; 210. Support spring; 211. Water inlet; 3. Rotating mechanism; 31. Turntable; 32. Gear; 33. Motor; 34. Fixed slot; 35. Sampling tube; 4. Cleaning mechanism; 41. Drain pipe; 42. Sponge; 43. Collecting pipe; 44. Rotating sealing joint; 45. Drain pipe. DETAILED DESCRIPTION

[0019] In order to make the purpose, features and advantages of the present invention more obvious and easy to understand, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described below are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] The present invention provides an efficient, accurate and environmentally friendly steam sample collection device by optimizing the condensation system, introducing a cooling water circulation mechanism and automatic control technology. The specific embodiments are as follows.

[0021] Example like Figure 1-Figure 8 As shown, a boiler steam-water intelligent sampling device includes a condensing mechanism 2, characterized in that the condensing mechanism 2 includes a vent pipe 21, one end of the vent pipe 21 is connected to the boiler, one end of the vent pipe 21 away from the boiler is fixedly connected to a condensing pipe 22, a spring circulation pipe 23 is nested outside the condensing pipe 22, one end of the spring circulation pipe 23 is connected to the upper end of the condensing pipe 22 through a water inlet 211, and the other end of the spring circulation pipe 23 extends to the lower end of the condensing pipe 22 and is fixedly connected to an external water pipe 24; Wherein, the ventilation pipe 21 and the condensation pipe 22 are both arc-shaped pipes, and the two form a semicircular pipe; A ball 25 is rotatably provided at the lower end of the condenser tube 22, a return spring 26 is provided above the ball 25, the lower end of the return spring 26 abuts against the ball 25, the upper end of the return spring 26 is fixedly connected to the tube wall of the condenser tube 22, a cable 27 is fixedly connected to the upper end of the ball 25, the cable 27 extends upward along the condenser tube 22 and is fixedly connected to a blocking ring 28, the blocking ring 28 and the opening 29 overlap, the blocking ring 28 and the upper end of the condenser tube 22 are fixedly connected by a support spring 210, and the blocking ring 28 is provided with an opening 29; The middle part of the cable 27 is guided by a fixing member, and the cable 27 is divided into three groups at one end close to the blocking ring 28. The three groups of cables 27 are distributed in a circumferential manner and fixedly connected to one end of the blocking ring 28. One end of the blocking ring 28 is pulled by three cables 27, and has high stability. When the sealing ring 28 moves to a set distance in the condenser tube 22 , the opening 29 and the water inlet 211 overlap and are connected; after the opening 29 and the water inlet 211 overlap, the water in the spring circulation tube 23 will enter the condenser tube 22 .

[0022] In this embodiment, by controlling the rotation of the motor 32, the turntable 31 is driven to position the sampling tube 35 just below the lower end of the condenser 22. Subsequently, the flow valve 14 is opened, and the steam enters the condenser 22 through the ventilation pipe 21. Since cooling water is passed through the spring circulation pipe 23 nested outside the condenser 22, the internal ambient temperature of the condenser 22 is relatively low, and the steam quickly liquefies after entering, forming water droplets and flowing into the sampling tube 35 along the inner wall of the condenser 22.

[0023] During the condensation process, the cooling water in the spring circulation tube 23 absorbs heat and its temperature rises, resulting in a decrease in density and upward flow, so that the cooling water with a higher temperature gathers at the upper end of the spring circulation tube 23. This phenomenon ensures that the ambient temperature at the connection between the vent pipe 21 and the condenser tube 22 is high, avoiding premature liquefaction of steam before entering the condenser tube 22, thereby preventing sample backflow and improving the collection efficiency of steam liquefied samples.

[0024] After the sample collection is completed, the flow valve 14 is closed, and the motor 32 is controlled to rotate so that the turntable 31 moves the drain pipe 41 to the bottom of the lower end of the condenser 22. At this time, the ball 25 contacts the sponge 42, and the ball 25 shrinks toward the inside of the condenser 22, while compressing the reset spring 26, causing the cable 27 to relax. Without the pulling force of the cable 27, the blocking ring 28 is driven to slide by the contraction of the support spring 210 (the initial state of the support spring 210 is the extended state), and finally the opening 29 on the blocking ring 28 is aligned with the water inlet 211, so that the cooling water in the spring circulation tube 23 enters the condenser 22 (the cooling water of the spring circulation tube 23 is injected by the external water pipe 24, and during this process, the external water pipe 24 will inject a preset volume of water to discharge the original cooling water into the condenser 22).

[0025] During this process, the lower end of the condenser tube 22 is in close contact with the sponge 42 and the drain pipe 41. After the cooling water enters the condenser tube 22, it cannot be discharged directly (the sponge 42 slows down the outflow of water), so it accumulates in the condenser tube 22 (the cooling water gathers after entering the condenser tube 22, and then slowly drains out through the sponge 42), so as to clean the inner wall of the condenser tube 22 and prevent the residue of the previous sampling from being mixed into the sample during the next sampling, thus ensuring the accuracy of the sample. At the same time, because the cooling water absorbs heat in the process of liquefying steam, the condensed water temperature at this time is relatively high, which further improves the cleaning effect.

[0026] After the cleaning and drainage is completed, the motor 33 drives the turntable 31 to rotate again, and moves the next sampling tube 35 to the lower end of the condenser tube 22 to prepare for the next sampling. In this process, the ball 25 is no longer squeezed by the sponge 42, the reset spring 26 is stretched, the ball 25 is reset downward, and the blocking ring 28 is pulled by the cable 27 to move, and the support spring 210 is re-extended, so that the opening 29 is misaligned with the water inlet 211, thereby closing the water inlet 211.

[0027] like Figure 1-Figure 3 As shown, the condensing mechanism 2 is connected to the boiler through the connecting mechanism 1, and the connecting mechanism 1 includes an air guide pipe 17, and the air guide pipe 17 is fixedly connected to the ventilation pipe 21. A flow valve 14 is provided on the air guide pipe 17; the flow valve 14 controls the steam inlet amount and circulation time; A pressure plate 13 is fixedly connected to the air guide tube 17 , a sealing gasket 12 is fixedly connected to the lower end of the pressure plate 13 , and a thread 11 is provided at the lower end of the air guide tube 17 .

[0028] In this embodiment, the air guide tube 17 with the thread 11 is connected to the reserved screw hole. When the air guide tube 17 rotates, the sealing gasket 12 and the pressure plate 13 thereon gradually approach the boiler surface, and finally the sealing gasket 12 fits the boiler surface and forms a seal under the pressure of the pressure plate 13. When sampling, the flow valve 14 is first opened to adjust the steam flow, and the steam in the boiler enters the ventilation pipe 21 through the air guide tube 17 under the action of pressure.

[0029] As shown in the figure, a rotating mechanism 3 is provided below the condenser tube 22. The rotating mechanism 3 includes a turntable 31. The turntable 31 is located below the condenser tube 22. A plurality of fixed grooves 34 are circumferentially distributed on the turntable 31. A sampling tube 35 is clamped in each fixed groove 34. The outer periphery of the turntable 31 is provided with teeth, and a gear 32 is provided on one side of the turntable 31. The gear 32 is meshed with the turntable 31 through the teeth, and the gear 32 is fixedly connected to the output shaft of the motor 33, and the motor 33 is fixedly connected to the ventilation pipe 21; A cleaning mechanism 4 is provided on the turntable 31. The cleaning mechanism 4 includes a plurality of drain pipes 41. The drain pipes 41 are circumferentially distributed on the turntable 31. Each drain pipe 41 is located between two adjacent fixed grooves 34. A sponge 42 is fixedly connected to the upper end of the drain pipe 41. The lower ends of the plurality of drain pipes 41 are fixedly connected to a collection pipe 43. The collection pipe 43 is fixedly connected to a sewage pipe 45 via a rotating sealing joint 44. A protective shell 15 is provided outside the condensing mechanism 2, the rotating mechanism 3 and the cleaning mechanism 4, and a sewage pipe 45 and an external water pipe 24 extend out of the protective shell 15; A sampling port 16 for taking out the sampling tube 35 is provided on one side of the protective shell 15 .

[0030] In this embodiment, by controlling the rotation of the motor 33, the turntable 31 drives the sampling tube 35 or the drain pipe 41 to be positioned just below the lower end of the condenser tube 22 to perform sampling or cleaning operations. The sampling tube 35 is fixed to the fixing groove 34 by snapping, and the user can snap the sampling tube 35 into the fixing groove 34 from below the turntable 31. Multiple groups of the fixing groove 34 and the sampling tube 35 are provided to improve sampling efficiency.

[0031] The cleaned sewage enters the collecting pipe 43 from the drainage pipe 41 and is finally discharged from the equipment through the sewage pipe 45.

[0032] The workflow is as follows: First, connect the air guide tube 17 with the thread 11 to the reserved screw hole. When the air guide tube 17 rotates, the sealing gasket 12 and the pressure plate 13 thereon gradually approach the boiler surface. Finally, the sealing gasket 12 fits the boiler surface and forms a seal under the pressure of the pressure plate 13. When sampling, first open the flow valve 14 to adjust the steam flow. The steam in the boiler enters the vent pipe 21 through the air guide tube 17 under pressure. By controlling the rotation of the motor 32, the turntable 31 is driven to position the sampling tube 35 directly below the lower end of the condenser 22. Subsequently, the flow valve 14 is opened, and the steam enters the condenser 22 through the vent pipe 21. Since cooling water is passed through the spring circulation tube 23 nested outside the condenser tube 22, the internal ambient temperature of the condenser tube 22 is relatively low. After entering, the steam quickly liquefies, forms water droplets and flows into the sampling tube 35 along the inner wall of the condenser tube 22. During the condensation process, the cooling water in the spring circulation tube 23 absorbs heat and its temperature rises, resulting in a decrease in density and upward flow, so that the cooling water with a higher temperature gathers at the upper end of the spring circulation tube 23. This phenomenon ensures that the ambient temperature at the connection between the vent pipe 21 and the condenser tube 22 is relatively high, and avoids premature liquefaction of steam before entering the condenser tube 22, thereby preventing sample backflow and improving the collection efficiency of steam liquefied samples. After the sample collection is completed, the flow valve 14 is closed, and the motor 32 is controlled to rotate, so that the turntable 31 moves the drain pipe 41 to the lower end of the condenser tube 22. At this time, the ball 25 contacts the sponge 42, and the ball 25 shrinks toward the inside of the condenser tube 22, while compressing the reset spring 26, causing the cable 27 to relax. When the blocking ring 28 loses the pulling force of the cable 27, it is driven to slide by the contraction of the support spring 210 (the initial state of the support spring 210 is the extended state), and finally the opening 29 on the blocking ring 28 is aligned with the water inlet 211, and the cooling water in the spring circulation pipe 23 enters the condenser 22 (the cooling water of the spring circulation pipe 23 is injected by the external water pipe 24, and during this process, the external water pipe 24 will inject a preset volume of water and discharge the original cooling water into the condenser 22). In this process, the lower end of the condenser 22 is in close contact with the sponge 42 and the drain pipe 41, and the cooling water cannot be directly discharged after entering the condenser 22 (the sponge 42 slows down the outflow of water), so it accumulates in the condenser 22 (the cooling water gathers after entering the condenser 22, and then slowly discharges through the sponge 42), so as to clean the inner wall of the condenser 22, prevent the residue of the previous sampling from being mixed into the sample when the next sampling is taken, and ensure the accuracy of the sample. At the same time, since the cooling water absorbs heat in the process of liquefying steam, the condensed water temperature is relatively high, which further improves the cleaning effect. After the cleaning and drainage is completed, the motor 33 drives the turntable 31 to rotate again, and moves the next sampling tube 35 to the lower end of the condensing tube 22, ready for the next sampling.During this process, the ball 25 is no longer squeezed by the sponge 42, the reset spring 26 is stretched, the ball 25 resets downward, and the sealing ring 28 is pulled by the cable 27 to move, and the support spring 210 is extended again, so that the opening 29 is misaligned with the water inlet 211, thereby closing the water inlet 211.

[0033] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. A boiler steam-water intelligent sampling device, comprising a condensing mechanism (2), characterized in that: The condensing mechanism (2) comprises a vent pipe (21), one end of the vent pipe (21) is connected to the boiler, the end of the vent pipe (21) away from the boiler is fixedly connected to the condensing pipe (22), a spring circulation pipe (23) is nested outside the condensing pipe (22), one end of the spring circulation pipe (23) is connected to the upper end of the condensing pipe (22) through the water inlet (211), and the other end of the spring circulation pipe (23) extends to the lower end of the condensing pipe (22) and is fixedly connected to the external water pipe (24); Wherein, the ventilation pipe (21) and the condensation pipe (22) are both arc-shaped pipes, and the two form a semicircular pipe; A ball (25) is rotatably provided at the lower end of the condenser tube (22), a return spring (26) is provided above the ball (25), the lower end of the return spring (26) is in contact with the ball (25), the upper end of the return spring (26) is fixedly connected to the tube wall of the condenser tube (22), the upper end of the ball (25) is fixedly connected to a cable (27), the cable (27) extends upward along the condenser tube (22) and is fixedly connected to a sealing ring (28), the sealing ring (28) and the opening (29) overlap, the sealing ring (28) and the upper end of the condenser tube (22) are fixedly connected via a support spring (210), and the sealing ring (28) is provided with an opening (29).

2. The intelligent boiler steam-water sampling device as claimed in claim 1, characterized in that: The middle part of the cable (27) is guided by a fixing member, and one end of the cable (27) close to the blocking ring (28) is divided into three groups. The three groups of cables (27) are distributed in a circumferential manner and fixedly connected to one end of the blocking ring (28).

3. The intelligent boiler steam-water sampling device as claimed in claim 2, characterized in that: When the sealing ring (28) moves to a set distance in the condenser tube (22), the opening (29) and the water inlet (211) overlap and communicate with each other.

4. The intelligent boiler steam-water sampling device as claimed in claim 3, characterized in that: The condensing mechanism (2) is connected to the boiler via a connecting mechanism (1), wherein the connecting mechanism (1) comprises an air guide pipe (17), wherein the air guide pipe (17) and the ventilation pipe (21) are fixedly connected, and a flow valve (14) is provided on the air guide pipe (17).

5. The intelligent boiler steam-water sampling device as claimed in claim 4, characterized in that: A pressure plate (13) is fixedly connected to the air guide tube (17), a sealing gasket (12) is fixedly connected to the lower end of the pressure plate (13), and a thread (11) is provided at the lower end of the air guide tube (17).

6. The intelligent boiler steam-water sampling device as claimed in claim 1, characterized in that: A rotating mechanism (3) is provided below the condenser tube (22), the rotating mechanism (3) comprising a turntable (31), the turntable (31) being located below the condenser tube (22), a plurality of fixed grooves (34) being distributed in a circumferential manner on the turntable (31), a sampling tube (35) being clamped in each fixed groove (34).

7. The intelligent boiler steam-water sampling device as claimed in claim 6, characterized in that: The outer periphery of the turntable (31) is provided with teeth, and a gear (32) is provided on one side of the turntable (31). The gear (32) meshes with the turntable (31) through the teeth. The gear (32) is fixedly connected to an output shaft of a motor (33), and the motor (33) is fixedly connected to the ventilation pipe (21).

8. The intelligent boiler steam-water sampling device as claimed in claim 7, characterized in that: A cleaning mechanism (4) is provided on the turntable (31). The cleaning mechanism (4) comprises a plurality of drain pipes (41). The drain pipes (41) are distributed in a circular pattern on the turntable (31). Each drain pipe (41) is located between two adjacent fixed grooves (34). A sponge (42) is fixedly connected to the upper end of the drain pipe (41). The lower ends of the plurality of drain pipes (41) are fixedly connected to a collection pipe (43). The collection pipe (43) is fixedly connected to a sewage pipe (45) via a rotating sealing joint (44).

9. The intelligent boiler steam-water sampling device as claimed in claim 8, characterized in that: A protective shell (15) is provided outside the condensing mechanism (2), the rotating mechanism (3) and the cleaning mechanism (4), and a sewage discharge pipe (45) and an external water pipe (24) extend out of the protective shell (15).

10. The intelligent boiler steam-water sampling device as claimed in claim 9, characterized in that: A sampling port (16) for taking out a sampling tube (35) is provided on one side of the protective shell (15).

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