Internal descaling device for industrial boiler

Abstract

The utility model discloses an internal descaling device for industrial boilers, which comprises a boiler main body, a driving motor is mounted on the surface of one side of the boiler main body, the output end of the driving motor is fixedly connected with a rotating support through a rotating shaft, and a descaling brush plate is mounted at one end of the rotating support. A detachable structure is arranged between the descaling brush plate and the rotating support, a detachable structure is arranged between the rotating support and the rotating shaft, a liquid inlet notch and a descaling agent inlet pipe are arranged on the surface of the upper end of the boiler body, and a waste liquid discharge pipe is installed at the lower end of the boiler body. According to the utility model, the descaling brush plate and the rotary bracket structure which can be conveniently mounted and dismounted are arranged in the industrial boiler, so that the inner wall of the boiler can be continuously brushed by injecting cleaning water and a descaling agent into the boiler and controlling the descaling brush plate through the driving motor, and dirt on the surface of the boiler can be thoroughly cleaned; and finally, sewage after cleaning can be discharged.

Description

TECHNICAL FIELD

[0001] The utility model relates to industrial boiler technical field, concretely is a kind of internal descaling device for industrial boiler. BACKGROUND

[0002] Boiler is a kind of energy conversion equipment, the energy input to boiler has chemical energy or electric energy in fuel, boiler exports steam, high-temperature water or organic heat carrier with certain heat energy. The original meaning of pot is the water container heated on fire, and furnace refers to the place where fuel is burned. Boiler includes pot and furnace two parts. The hot water or steam generated in the boiler can directly provide the required heat energy for industrial production and people's life, or it can be converted into mechanical energy through steam power device, or it can be converted into electric energy through generator. The boiler that provides hot water is called hot water boiler, mainly used for life, and a small amount is used in industrial production. The boiler that generates steam is called steam boiler, commonly known as boiler, mainly used in thermal power plants, ships, locomotives and industrial and mining enterprises. After long-term use, a large amount of dirt will be generated on the inner side wall of the existing boiler, which will greatly reduce the heat conduction capacity of the boiler.

[0003] The Chinese authorized patent document with publication number CN212298935U relates to the field of boiler technology and discloses an industrial boiler descaling device. The device includes a boiler body, an outer wall of the boiler body is fixedly connected with a heat preservation layer, the bottom of the boiler body is fixedly connected with a support column, one end of the support column is fixedly connected with a bottom disc, the outer wall of the boiler body is fixedly connected with a liquid outlet pipe, and the outer wall of the liquid outlet pipe is fixedly connected with a valve head. The industrial boiler descaling device can effectively remove dirt from the inside of the boiler, solve the problem of poor descaling effect of general industrial boilers, avoid residual scale in the boiler, reduce the cost of manual descaling, improve the descaling efficiency, and significantly improve the economic benefits of boiler use.

[0004] The above-mentioned prior art cannot perform full-range descaling and brushing operation on the inside of the industrial boiler, which results in that the dirt on the inner wall cannot be completely removed. Therefore, it is necessary to develop a new type of industrial boiler internal descaling device. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing an industrial boiler internal descaling device to solve the problem that the prior art cannot perform full-range descaling and brushing operation on the inside of the industrial boiler, which results in that the dirt on the inner wall cannot be completely removed.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an internal descaling device for an industrial boiler, comprising a boiler body, a driving motor installed on one side surface of the boiler body, an output end of the driving motor fixedly connected to a rotating bracket via a rotating shaft, a descaling brush plate installed at one end of the rotating bracket, the descaling brush plate tightly fitting in contact with the inner surface wall of the boiler body, a detachable structure between the descaling brush plate and the rotating bracket, a detachable structure between the rotating bracket and the rotating shaft, a liquid inlet notch and a descaling agent inlet pipe respectively provided on the upper end surface of the boiler body, and a waste liquid discharge pipe installed at the lower end of the boiler body.

[0007] Preferably, a liquid level gauge, a temperature sensor and a water pressure gauge are respectively installed on the upper end of the boiler body, and a sealing cover is provided on the upper end surface of the descaling agent inlet pipe.

[0008] Preferably, the boiler body is connected to a drainage pump via a waste liquid discharge pipe, and a switch valve is installed on the waste liquid discharge pipe.

[0009] Preferably, a support base is provided at the bottom of the boiler body, and the support base is fixedly connected to the boiler body by welding.

[0010] Preferably, a PLC control panel is installed outside the boiler body, and the PLC control panel is electrically connected to the drive motor.

[0011] Preferably, a flange is provided on the other side surface of the boiler body, and the surface of the flange is sealedly connected to a boiler sealing cover via limiting bolts.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] The utility model is provided with a descaling brush plate and a rotating bracket structure that can be easily installed and disassembled inside the industrial boiler. By injecting cleaning water and descaling agent into the boiler, and controlling the descaling brush plate by a driving motor to continuously scrub the inner wall of the boiler, the dirt on the surface can be thoroughly cleaned, and finally the sewage after cleaning can be discharged. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the rear-end structure of the utility model;

[0016] Figure 3 It is a rear view of the utility model;

[0017] Figure 4 This is a schematic diagram of the internal installation structure of the utility model.

[0018] In the figure: 1. PLC control panel; 2. Liquid inlet slot; 3. Liquid level gauge; 4. Temperature sensor; 5. Water pressure gauge; 6. Sealing cover; 7. Descaling agent inlet pipe; 8. Boiler body; 9. Driving motor; 10. Waste liquid discharge pipe; 11. Switch valve; 12. Discharge pump; 13. Support base; 14. Descaling brush plate; 15. Rotating bracket; 16. Limit bolt; 17. Flange; 18. Boiler sealing cover; 19. Rotating shaft. DETAILED DESCRIPTION

[0019] 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 the embodiments.

[0020] See also Figure 1-4 The utility model provides an embodiment: an internal descaling device for an industrial boiler, comprising a boiler body 8, a driving motor 9 being installed on one side surface of the boiler body 8, an output end of the driving motor 9 being fixedly connected to a rotating bracket 15 through a rotating shaft 19, a descaling brush plate 14 being installed at one end of the rotating bracket 15, the descaling brush plate 14 being in close contact with the inner surface wall of the boiler body 8, a detachable structure being formed between the descaling brush plate 14 and the rotating bracket 15, a detachable structure being formed between the rotating bracket 15 and the rotating shaft 19, a liquid inlet notch 2 and a descaling agent inlet pipe 7 being respectively opened on the upper end surface of the boiler body 8, and a waste liquid discharge pipe 10 being installed at the lower end of the boiler body 8.

[0021] Furthermore, a liquid level gauge 3, a temperature sensor 4 and a water pressure gauge 5 are respectively installed on the upper end of the boiler body 8, and a sealing cover 6 is provided on the upper end surface of the descaling agent inlet pipe 7. The liquid level gauge 3, the temperature sensor 4 and the water pressure gauge 5 are conveniently used to monitor the liquid level, water temperature and water pressure inside the boiler body 8 in real time.

[0022] Furthermore, the boiler body 8 is connected to a drainage pump 12 through a waste liquid discharge pipe 10, and a switch valve 11 is installed on the waste liquid discharge pipe 10. By turning on the drainage pump 12 and opening the switch valve 11, the sewage generated by cleaning the inside of the boiler body 8 can be discharged through the waste liquid discharge pipe 10.

[0023] Furthermore, a support base 13 is provided at the bottom of the boiler body 8 , and the support base 13 is fixedly connected to the boiler body 8 by welding, so as to be convenient for supporting and stabilizing the bottom of the boiler body 8 .

[0024] Furthermore, a PLC control panel 1 is installed on the outside of the boiler body 8 , and the PLC control panel 1 is electrically connected to the drive motor 9 , so as to be convenient for electrically controlling the drive motor 9 on and off.

[0025] Further, the other side surface of the boiler body 8 is provided with a flange plate 17, the surface of the flange plate 17 is sealed and connected with a boiler sealing cover 18 through a limiting bolt 16, which facilitates the quick alignment and sealing installation of the boiler sealing cover 18.

[0026] Working principle: in use, open the boiler sealing cover 18, install and fix the descaling brush plate 14 and the rotating support 15 and other cleaning equipment on the output end of the driving motor 9, then seal the boiler sealing cover 18, the upper end surface of the boiler body 8 is respectively provided with a liquid inlet slot 2 and a descaling agent inlet pipe 7, when it is needed to perform the descaling and cleaning operation on the inside of the boiler body 8, clean water can be injected into the inside of the boiler body 8 through the liquid inlet slot 2, then open the sealing cover 6, inject the descaling agent into the inside of the boiler body 8 through the descaling agent inlet pipe 7, start the driving motor 9, and control the descaling brush plate 14 to continuously perform the cleaning operation on the inner wall of the boiler body 8, so that the dirt on the surface of the boiler body 8 can be completely cleaned, finally start the liquid discharge pump 12 and open the switch valve 11, and the sewage generated in the cleaning of the boiler body 8 can be discharged through the waste liquid discharge pipe 10.

[0027] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or action from another entity or action, without necessarily requiring or implying that there is any such actual relationship or order between these entities or actions. Moreover, the terms "comprises", "comprising" or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article or apparatus that includes a list of elements does not only include those elements, but also includes other elements not explicitly listed, or inherent to such a process, method, article or apparatus.

[0028] The standard parts used in the present application file can be purchased from the market, the specific connection mode of each part adopts the conventional bolt, rivet, welding and other conventional means in the prior art for connection, and the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0029] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An internal descaling device for an industrial boiler, comprising a boiler body (8), characterized in that: A driving motor (9) is installed on one side surface of the boiler body (8), and the output end of the driving motor (9) is fixedly connected to a rotating bracket (15) via a rotating shaft (19). A descaling brush plate (14) is installed on one end of the rotating bracket (15), and the descaling brush plate (14) is in close contact with the inner surface wall of the boiler body (8). A detachable structure is formed between the descaling brush plate (14) and the rotating bracket (15), and a detachable structure is formed between the rotating bracket (15) and the rotating shaft (19). A liquid inlet notch (2) and a descaling agent inlet pipe (7) are respectively provided on the upper end surface of the boiler body (8), and a waste liquid discharge pipe (10) is installed at the lower end of the boiler body (8).

2. The internal descaling device for an industrial boiler according to claim 1, characterized in that: A liquid level meter (3), a temperature sensor (4) and a water pressure gauge (5) are respectively installed on the upper end of the boiler body (8), and a sealing cover (6) is provided on the upper end surface of the descaling agent inlet pipe (7).

3. The internal descaling device for an industrial boiler according to claim 1, characterized in that: The boiler body (8) is connected to a liquid discharge pump (12) via a waste liquid discharge pipe (10), and a switch valve (11) is installed on the waste liquid discharge pipe (10).

4. The internal descaling device for an industrial boiler according to claim 1, characterized in that: A support base (13) is provided at the bottom of the boiler body (8), and the support base (13) and the boiler body (8) are fixedly connected by welding.

5. The internal descaling device for an industrial boiler according to claim 1, characterized in that: A PLC control panel (1) is installed outside the boiler body (8), and the PLC control panel (1) is electrically connected to the drive motor (9).

6. The internal descaling device for an industrial boiler according to claim 1, characterized in that: A flange (17) is provided on the other side surface of the boiler body (8), and the surface of the flange (17) is sealedly connected to a boiler sealing cover (18) via a limiting bolt (16).

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