Natural gas boiler cleaning device and natural gas boiler

Abstract

The present invention belongs to the technical field of boilers, and particularly relates to a natural gas boiler cleaning device and a natural gas boiler, wherein the natural gas boiler cleaning device comprises an operating panel, a screw rod, a rotary cleaning device and a baffle, wherein two arc-shaped mounting plates are arranged on one side of the operating panel, and the two arc-shaped mounting plates are arranged relatively on the same circumference, and the other side of the operating panel is provided with a mounting protrusion arranged relatively to the arc-shaped mounting plate, and the mounting protrusion is located at the center of the other side of the operating panel, one end of the screw rod passes through the center of the operating panel and is fixedly installed in the mounting protrusion, and the other end of the screw rod passes through the rotary cleaning device and is fixedly connected to the baffle, and the screw rod and the rotary cleaning device are threadedly connected. Through the above arrangement, automatic cleaning of the inner wall of the natural gas boiler is achieved.

Description

Technical Field

[0001] The invention belongs to the technical field of boilers, and in particular relates to a natural gas boiler cleaning device and a natural gas boiler. Background Art

[0002] A natural gas boiler is a type of gas boiler. A natural gas boiler uses natural gas as fuel. The heat released by the combustion in the furnace heats the water in the boiler and vaporizes the water in the boiler into steam. The water in the boiler is constantly heated by the energy released by the combustion of the gas fuel in the boiler to increase the temperature and generate pressurized steam. Since the boiling point of water increases with the increase of pressure, the boiler is sealed, and the expansion of water vapor inside is restricted to generate pressure to form thermal power. Strictly speaking, the water vapor in the boiler is formed by heating water at a constant pressure in the boiler to saturated water and then vaporizing it. It is widely used as an energy source. In the prior art, the boiler furnace is cleaned by manually operating a cleaning device. The method of using the prior art to clean a natural gas boiler has the technical problem of low cleaning efficiency for the natural gas boiler. Summary of the invention

[0003] The purpose of the present invention is to provide a natural gas boiler cleaning device and a natural gas boiler, aiming to solve the technical problem of low cleaning efficiency of natural gas boilers in the prior art.

[0004] To achieve the above-mentioned purpose, an embodiment of the present invention provides a natural gas boiler cleaning device, including an operating panel, a screw rod, a rotary cleaning device and a baffle, two arc-shaped mounting plates are arranged on one side of the operating panel, and the two arc-shaped mounting plates are relatively arranged on the same circumference, and the other side of the operating panel is provided with a mounting protrusion arranged opposite to the arc-shaped mounting plate, and the mounting protrusion is located at the center position of the other side of the operating panel, one end of the screw rod passes through the center position of the operating panel and is fixedly installed in the mounting protrusion, the other end of the screw rod passes through the rotary cleaning device and is fixedly connected to the baffle, and the screw rod and the rotary cleaning device are threadedly connected.

[0005] Preferably, the rotary cleaning device includes an outer slide, an inner slide, a telescopic rod and a mobile cleaner for mobile cleaning on the inner wall of the boiler. The inner slide is threadedly connected to the screw rod, and the two ends of the telescopic rod are respectively fixedly connected to the outer slide and the mobile cleaner, and the outer slide and the inner slide are rotatably connected.

[0006] Preferably, the mobile cleaner includes a main body, a moving wheel group and a plurality of bristles. The top of the main body is fixedly mounted on one end of the telescopic rod, the moving wheel group and the bristles are both mounted on the bottom of the main body, and a mounting hole for rotatably mounting the moving wheel group is provided at the bottom of the main body. Each of the bristles is arranged around the moving wheel group for cleaning the inner wall of the boiler.

[0007] Preferably, the movable wheel set is arranged obliquely to drive the main body to spirally move forward on the inner wall of the natural gas boiler.

[0008] Preferably, the inner ring of the outer slide plate is provided with a plurality of groups of connection ribs for limiting position, and the edge of the inner slide plate is located between each group of the connection ribs.

[0009] The above one or more technical solutions in the natural gas boiler cleaning device provided by the embodiment of the present invention have at least one of the following technical effects:

[0010] The natural gas boiler cleaning device of the present invention comprises an operating panel, a screw rod, a rotary cleaning device and a baffle. During assembly, two arc-shaped mounting plates are arranged on the operating panel, and the fixed mounting of the operating panel is realized by the two relatively arranged arc-shaped mounting plates. A mounting protrusion for mounting the screw rod is arranged on the other side of the operating panel, and one end of the screw rod passes through the central position of the operating panel and is fixedly mounted in the mounting protrusion. The other end of the screw rod passes through the rotary cleaning device and is fixedly connected to the baffle. The cleaning end of the rotary cleaning device abuts against the inner wall of the natural gas boiler. The cleaning end of the rotary cleaning device moves on the inner wall of the natural gas boiler, driving the rotary cleaning device to rotate on the screw rod and slowly move forward. The cleaning end of the rotary cleaning device moves on the inner wall of the natural gas boiler in a threaded rotation manner, thereby realizing the cleaning of the inner wall of the natural gas boiler. Through the above arrangement, automatic cleaning of the inner wall of the natural gas boiler is realized.

[0011] Another technical solution of the present invention is a natural gas boiler, comprising the above-mentioned natural gas boiler cleaning device, and also comprising a boiler body, a platform handrail and a base, wherein the boiler body is fixedly installed on the top of the base, the platform handrail is fixedly installed on one side of the boiler body, and an assembly hole for installing the natural gas boiler cleaning device is provided on the side of the boiler body, and the cleaning end of the natural gas boiler cleaning device is fixedly installed on the boiler body through the assembly hole.

[0012] Preferably, an exhaust gas detection device and several sensing devices are also provided on the side wall of the boiler body. The exhaust gas detection device is fixedly installed on the side of the boiler body, and the sensing devices are arranged at intervals on the side wall of the boiler body to monitor gas leakage on the surface of the boiler body.

[0013] Preferably, the sensing device comprises a mounting bracket and a plurality of sensors, the mounting bracket is fixedly mounted on the side wall of the boiler body, the sensors are installed on the mounting bracket at intervals, and the sensors are located between the mounting bracket and the boiler body.

[0014] Preferably, the exhaust gas detection device is provided with a detector and a water-cooling pipe, and two ends of the water-cooling pipe are respectively connected to the boiler body and the detector.

[0015] Preferably, a water inlet, an air outlet and an exhaust gas circulation device are also provided on the side wall of the boiler body. The exhaust gas circulation device is installed on the water inlet, and the water inlet pipe of the boiler body passes through the exhaust gas circulation device and is connected to the water inlet. The exhaust gas circulation device is connected to the air outlet, and the exhaust gas circulation device is connected to an exhaust pipe.

[0016] The above one or more technical solutions in the natural gas boiler provided by the embodiment of the present invention have at least one of the following technical effects:

[0017] The natural gas boiler in the present invention comprises a natural gas boiler cleaning device, a boiler body, a platform handrail and a base. During assembly, the base is placed on a flat bottom surface, and then the boiler body is fixedly installed on the base to ensure the stability of the boiler body. The platform handrail is fixedly installed on the outer side of the boiler body, with the bottom close to the ground. The cleaning end of the natural gas boiler cleaning device is passed through the assembly hole on the boiler body and fixedly installed on the boiler body. The cleaning end of the natural gas boiler cleaning device assembled into the boiler body is used to clean the inner wall of the boiler body. The cleaning end moves spirally on the inner wall of the boiler body to complete the cleaning of the entire inner wall of the boiler. Through the above arrangement, the natural gas boiler can be automatically cleaned by the natural gas boiler cleaning device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0019] Figure 1 A side view of a natural gas boiler cleaning device provided by an embodiment of the present invention.

[0020] Figure 2 A side view of an operating panel of a natural gas boiler cleaning device provided in an embodiment of the present invention.

[0021] Figure 3A side view of a rotary cleaning device of a natural gas boiler cleaning device provided in an embodiment of the present invention.

[0022] Figure 4 A bottom view of a mobile cleaner of a rotary cleaning device of a natural gas boiler cleaning device provided by an embodiment of the present invention.

[0023] Figure 5 A side view of a natural gas boiler provided in an embodiment of the present invention.

[0024] Figure 6 A rear view of a natural gas boiler provided in an embodiment of the present invention.

[0025] Figure 7 A top view of a natural gas boiler provided in an embodiment of the present invention.

[0026] Among them, the reference numerals in the figure are:

[0027] 10—Natural gas boiler 11—Natural gas boiler cleaning device 12—Boiler body

[0028] 13—Platform handrail 14—Base 111—Operation panel

[0029] 112 - screw rod 113 - rotating cleaning device 114 - baffle

[0030] 121—Exhaust gas detection device 122—Sensing device 123—Exhaust gas circulation device

[0031] 1111—arc-shaped mounting plate 1112—mounting protrusion 1131—jacket sliding plate

[0032] 1132 - inner slide plate 1133 - telescopic rod 1134 - mobile cleaner

[0033] 1211—Detector 1212—Water cooling pipe. DETAILED DESCRIPTION

[0034] The following describes in detail embodiments of the present invention. Examples of the embodiments are shown in the attached Figures 1 to 7 , wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the embodiments of the present invention, and should not be construed as limiting the present invention.

[0035] In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0036] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0037] In the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0038] In one embodiment of the present invention, Figures 1 to 3As shown, a natural gas boiler cleaning device 11 is provided, including an operating panel 111, a screw rod 112, a rotating cleaning device 113 and a baffle 114. Two opposite handrails are arranged on the operating panel 111. The operating panel 111 is opened and closed by operating the handrails on the operating panel 111. The screw rod 112 is directionally arranged as a moving track. The rotating cleaning device 113 can automatically move spirally forward on the inner wall of the natural gas boiler 10 to clean the inner wall of the boiler. The baffle 114 can realize the functions of limiting and installing and positioning. Two arc-shaped mounting plates 1111 are arranged on one side of the operating panel 111, and the two arc-shaped mounting plates 1111 are relatively arranged on the same circumference. The two relatively arranged arc-shaped mounting plates 1111 are arranged on the edge of a circle. When installing, the two arc-shaped mounting plates 1111 are clamped on the inner wall of the mounting hole to make the natural gas boiler cleaning device 1111 be cleaned. The installation of the device 11 is more stable. The other side of the operating panel 111 is provided with a mounting protrusion 1112 which is arranged opposite to the arc-shaped mounting plate 1111. The mounting protrusion 1112 is located at the center of the other side of the operating panel 111. One end of the screw rod 112 passes through the center of the operating panel 111 and is fixedly installed in the mounting protrusion 1112. The stability of the assembled screw rod 112 is ensured by the setting of the mounting protrusion 1112, and it is not easy to fall off. The other end of the screw rod 112 passes through the rotating cleaning device 113 and is fixedly connected with the baffle 114. The screw rod 112 and the rotating cleaning device 113 are threadedly connected. The rotating cleaning device 113 is threadedly installed on the screw rod 112. The rotating cleaning device 113 spirally moves on the inner wall of the natural gas boiler 10 and rotates around the screw rod 112, and moves along the direction of the screw rod 112 at the same time.

[0039] The natural gas boiler cleaning device 11 of the present invention comprises an operating panel 111, a screw rod 112, a rotating cleaning device 113 and a baffle 114. During assembly, two arc-shaped mounting plates 1111 are arranged on the operating panel 111. The operating panel 111 is fixedly mounted by the two arc-shaped mounting plates 1111 arranged opposite to each other. A mounting protrusion 1112 for mounting the screw rod is arranged on the other side of the operating panel 111. One end of the screw rod 112 passes through the central position of the operating panel 111 and is fixedly mounted in the mounting protrusion 1112. The other end of the screw rod 112 is fixedly mounted in the mounting protrusion 1112. The cleaning end of the rotating cleaning device 113 passes through the rotating cleaning device 113 and is fixedly connected with the baffle 114. The cleaning end of the rotating cleaning device 113 abuts against the inner wall of the natural gas boiler 10. The cleaning end of the rotating cleaning device 113 moves on the inner wall of the natural gas boiler 10, driving the rotating cleaning device 113 to rotate on the screw rod 112 and move forward slowly. The cleaning end of the rotating cleaning device 113 moves on the inner wall of the natural gas boiler 10 in a threaded rotation manner to achieve cleaning of the inner wall of the natural gas boiler 10. Through the above-mentioned arrangement, automatic cleaning of the inner wall of the natural gas boiler 10 is achieved.

[0040] In another embodiment of the present invention, Figure 1 and Figures 3-4 As shown, the rotary cleaning device 113 includes an outer slide 1131, an inner slide 1132, a telescopic rod 1133 and a mobile cleaner 1134 for mobile cleaning on the inner wall of the boiler, the inner slide 1132 is threadedly connected to the screw rod 112, the inner slide 1132 is spirally rotated on the screw rod 112, and moves along the screw rod 112, the two ends of the telescopic rod 1133 are respectively fixedly connected to the outer slide 1131 and the mobile cleaner 1134, the two ends of the telescopic rod 1133 are respectively fixedly connected to the outer slide 1131 and the mobile cleaner 1134, and the telescopic rod 1133 enables the mobile cleaner 1134 and the outer slide 1131 to be connected. The connection relationship is now present, and the mobile cleaner 1134 is abutted against the inner wall of the natural gas boiler 10. The mobile cleaner 1134 moves on the inner wall of the natural gas boiler 10, driving the inner sleeve skateboard 1132 to rotate, and the outer sleeve skateboard 1131 and the inner sleeve skateboard 1132 are rotationally connected. The outer sleeve skateboard 1131 and the inner sleeve skateboard 1132 are rotationally connected. The inner sleeve skateboard 1132 is sleeved in the outer sleeve skateboard 1131, and the outer sleeve rotates around the inner sleeve skateboard 1132. The inner sleeve skateboard 1132 is pushed by the movement of the mobile cleaner 1134. The inner sleeve skateboard 1132 is pushed spirally around the screw rod 112 by the push of the outer sleeve skateboard 1131 to avoid moving too fast and causing a cleaning empty area.

[0041] In another embodiment of the present invention, Figure 1 and Figures 3-4 As shown, the mobile cleaner 1134 includes a main body, a mobile wheel group and a plurality of bristles. The top of the main body is fixedly installed on one end of the telescopic rod 1133, and the mobile wheel group and the bristles are installed on the bottom of the main body. The mobile wheel group and the bristles are assembled to the bottom of the main body. The top of the main body is fixedly connected to one end of the telescopic rod 1133. The mobile wheel group abuts against the inner wall of the natural gas boiler 10 and rolls on the inner wall of the natural gas boiler 10 to drive the main body to move. The main body pulls the telescopic rod 1133 to drive the outer slide plate 1131 to rotate. During the rotation of the outer slide plate 1131, the inner slide plate 113 is pulled. 2 rotates forward on the screw rod 112, the bottom of the main body is provided with a mounting hole for the rotating mounting of the moving wheel group, each of the bristles is arranged around the moving wheel group for cleaning the inner wall of the boiler, a groove mounting hole is provided at the bottom of the main body, the moving wheel group is rotatably mounted in the mounting hole, the bristles surround the moving wheel group and are assembled at the bottom of the main body, the moving wheel group rolls on the inner wall of the natural gas boiler 10, driving the main body to move, the movement of the main body drives the bristles to move, the ends of the bristles slide on the inner wall of the natural gas boiler 10, and the bristles spirally move on the inner wall of the natural gas boiler 10 to clean the inner wall of the natural gas boiler 10.

[0042] In another embodiment of the present invention, Figure 1 and Figures 3-4 As shown, the inclined setting of the moving wheel group drives the main body to spirally advance on the inner wall of the natural gas boiler 10. The moving wheel group is inclined. When the moving wheel group is inclined compared to the edge of the inner wall of the natural gas boiler 10, it spirally advances on the inner wall of the natural gas boiler 10 to complete the cleaning of the entire inner wall of the natural gas boiler 10.

[0043] In another embodiment of the present invention, Figure 3 As shown, the inner circle of the outer skateboard 1131 is provided with several groups of connecting ribs for limiting, and the edge of the inner skateboard 1132 is located between each group of the connecting ribs. Several groups of connecting ribs are provided to limit the edge position of the inner skateboard 1132 installed inside the outer skateboard 1131 to prevent the inner skateboard 1132 from falling off from the outer skateboard 1131 during rotation. Meanwhile, corresponding screw holes are provided on each group of connecting ribs, and the upper and lower plates of the outer skateboard 1131 are fixedly connected by screw locking to limit the inner skateboard 1132 in the inner circle.

[0044] Another technical solution of the present invention is: Figures 5 to 7 As shown, a natural gas boiler 10 includes the above-mentioned natural gas boiler cleaning device 11, and also includes a boiler body 12, a platform handrail 13 and a base 14. The boiler body 12 is fixedly installed on the top of the base 14. The base 14 disperses the gravity of the boiler body 12 installed thereon to reduce the unit pressure on the ground. The platform handrail 13 enables the operator to move up and down freely on the outer wall of the natural gas boiler 10. The platform handrail 13 is fixedly installed on one side of the boiler body 12. The platform handrail 13 is fixedly installed on one side of the boiler body 12, which is convenient for the operator to move up and down from one side of the natural gas boiler 10. , to maintain the natural gas boiler 10, an assembly hole for installing the natural gas boiler cleaning device 11 is set on the side of the boiler body 12, the cleaning end of the natural gas boiler cleaning device 11 passes through the assembly hole and is fixedly installed on the boiler body 12, the cleaning end of the natural gas boiler cleaning device 11 passes through the assembly hole, and the operating panel 111 is fixedly installed on the assembly hole, and the baffle 114 at the end of the cleaning end is placed on the fixing hole set on the inner side wall opposite to the assembly hole inside the natural gas boiler 10, and the position of the baffle 114 is positioned by setting the fixing hole, and the cleaning end of the natural gas boiler cleaning device 11 is supported to be horizontally mounted.

[0045] The natural gas boiler 10 in the present invention includes a natural gas boiler cleaning device 11, a boiler body 12, a platform handrail 13 and a base 14. During assembly, the base 14 is placed on a flat bottom surface, and then the boiler body 12 is fixedly installed on the base 14 to ensure the stability of the boiler body 12. The platform handrail 13 is fixedly installed on the outer side of the boiler body 12, and the bottom is close to the ground. The cleaning end of the natural gas boiler cleaning device 11 is passed through the assembly hole on the boiler body 12 and fixedly installed on the boiler body 12. The cleaning end of the natural gas boiler cleaning device 11 assembled into the boiler body 12 is used to clean the inner wall of the boiler body 12. The cleaning end moves spirally on the inner wall of the boiler body 12 to complete the cleaning of the entire boiler inner wall. Through the above arrangement, the natural gas boiler 10 can be automatically cleaned by the natural gas boiler cleaning device 11.

[0046] In another embodiment of the present invention, Figures 5 to 7 As shown, an exhaust gas detection device 121 and a plurality of sensing devices 122 are also provided on the side wall of the boiler body 12. The exhaust gas detection device 121 is fixedly installed on the side of the boiler body 12. The sensing devices 122 are arranged at intervals on the side wall of the boiler body 12 to monitor the gas leakage on the surface of the boiler body 12. The sensing devices 122 are arranged on the side wall of the boiler body 12 to detect the gas leakage of the boiler body 12. The sensing devices 122 are arranged horizontally, extending from one end of the boiler body 12 to the other end, so as to achieve full coverage of the boiler body 12. The exhaust gas detection device 121 detects the exhaust gas discharged from the boiler body 12.

[0047] In another embodiment of the present invention, Figure 5 As shown, the sensing device 122 includes a mounting bracket and a plurality of sensors. The mounting bracket is fixedly mounted on the side wall of the boiler body 12. The sensors are installed on the mounting bracket at intervals, and the sensors are located between the mounting bracket and the boiler body 12. The sensors are arranged at intervals, and the sensing boundaries of the sensors overlap to fully cover the surface of the natural gas boiler 10, thereby ensuring a comprehensive detection of the outer surface of the natural gas boiler 10 and avoiding detection omissions.

[0048] In another embodiment of the present invention, Figures 5 to 7 As shown, the exhaust gas detection device 121 is provided with a detector 1211 and a water-cooling pipe 1212. The two ends of the water-cooling pipe 1212 are respectively connected to the boiler body 12 and the detector 1211. The water-cooling pipe in the exhaust gas detection device 121 cools the discharged exhaust gas before entering the detector 1211 for detection, so as to prevent the high-temperature exhaust gas from causing errors in the detection of the detector 1211.

[0049] In another embodiment of the present invention, Figures 5 to 7 As shown, a water inlet, an air outlet and an exhaust gas circulation device 123 are also provided on the side wall of the boiler body 12. The exhaust gas circulation device 123 is installed on the water inlet. The water inlet pipe of the boiler body 12 passes through the exhaust gas circulation device 123 and is connected to the water inlet. The exhaust gas circulation device 123 is connected to the air outlet, and the exhaust gas circulation device 123 is connected to an exhaust pipe to guide the exhaust gas into the exhaust gas circulation device 123. At the same time, the water inlet pipe passes through the exhaust gas circulation device 123 and is connected to the water inlet. The temperature of the exhaust gas itself is used to preheat the water in the water inlet pipe, thereby improving the production efficiency of the natural gas boiler 10.

[0050] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A natural gas boiler cleaning device, characterized in that: It comprises an operating panel, a screw rod, a rotary cleaning device and a baffle, wherein two arc-shaped mounting plates are arranged on one side of the operating panel, and the two arc-shaped mounting plates are arranged relatively on the same circumference, and a mounting protrusion arranged relatively to the arc-shaped mounting plate is arranged on the other side of the operating panel, and the mounting protrusion is located at the center position of the other side of the operating panel, one end of the screw rod passes through the center position of the operating panel and is fixedly installed in the mounting protrusion, and the other end of the screw rod passes through the rotary cleaning device and is fixedly connected to the baffle, and the screw rod and the rotary cleaning device are threadedly connected; The rotary cleaning device is provided with a movable cleaner abutting against the inner wall of the boiler; The movable cleaner is arranged to be threadedly rotated and moved relative to the inner wall of the boiler, and the movable cleaner drives the rotary cleaning device to be rotated and displaced around the screw rod.

2. The natural gas boiler cleaning device according to claim 1 is characterized in that: The rotary cleaning device also includes an outer slide, an inner slide and a telescopic rod. The inner slide is threadedly connected to the screw rod. Both ends of the telescopic rod are fixedly connected to the outer slide and the mobile cleaner respectively. The outer slide and the inner slide are rotatably connected.

3. The natural gas boiler cleaning device according to claim 2 is characterized in that: The mobile cleaner includes a main body, a mobile wheel group and a plurality of bristles. The top of the main body is fixedly installed on one end of the telescopic rod. The mobile wheel group and the bristles are both installed on the bottom of the main body. The bottom of the main body is provided with a mounting hole for rotatably installing the mobile wheel group. Each of the bristles is arranged around the mobile wheel group for cleaning the inner wall of the boiler.

4. The natural gas boiler cleaning device according to claim 3 is characterized in that: The tilted arrangement of the movable wheel group drives the main body to move forward in a spiral along the inner wall of the natural gas boiler.

5. The natural gas boiler cleaning device according to claim 2, characterized in that: The inner circle of the outer slide plate is provided with a plurality of groups of connection ribs for limiting position, and the edge of the inner slide plate is located between each group of the connection ribs.

6. A natural gas boiler, comprising the natural gas boiler cleaning device according to any one of claims 1 to 5, characterized in that: It also includes a boiler body, a platform handrail and a base, wherein the boiler body is fixedly installed on the top of the base, the platform handrail is fixedly installed on one side of the boiler body, and an assembly hole for installing the natural gas boiler cleaning device is provided on the side of the boiler body, and the cleaning end of the natural gas boiler cleaning device is fixedly installed on the boiler body through the assembly hole.

7. The natural gas boiler according to claim 6, characterized in that: An exhaust gas detection device and several sensing devices are also provided on the side wall of the boiler body. The exhaust gas detection device is fixedly installed on the side of the boiler body, and the sensing devices are arranged at intervals on the side wall of the boiler body to monitor gas leakage on the surface of the boiler body.

8. The natural gas boiler according to claim 7, characterized in that: The induction device comprises a mounting bracket and a plurality of inductors. The mounting bracket is fixedly mounted on the side wall of the boiler body. The inductors are mounted on the mounting bracket at intervals, and the inductors are located between the mounting bracket and the boiler body.

9. The natural gas boiler according to claim 7, characterized in that: The exhaust gas detection device is provided with a detector and a water cooling pipe, and two ends of the water cooling pipe are respectively connected to the boiler body and the detector.

10. The natural gas boiler according to claim 6, characterized in that: A water inlet, an air outlet and an exhaust gas circulation device are also provided on the side wall of the boiler body. The exhaust gas circulation device is installed on the water inlet. The water inlet pipe of the boiler body passes through the exhaust gas circulation device and is connected to the water inlet. The exhaust gas circulation device is connected to the air outlet, and the exhaust gas circulation device is connected to an exhaust pipe.

Images