Steam boiler with hearth convenient to clean

Abstract

The utility model provides a steam boiler with a hearth convenient to clean. Comprising a steam boiler, sliding plates are symmetrically and slidably connected to the two sides of the inner top wall of the steam boiler, a driving assembly used for driving the sliding plates to move is arranged on the steam boiler, an annular scraping plate attached to the inner arc wall of the steam boiler is arranged between the two side walls of the sliding plates, and liquid spraying pipes penetrating through the sliding plates are symmetrically arranged between the upper walls of the inner side of the steam boiler; the top of the steam boiler is provided with a liquid supply assembly used for supplying descaling liquid to the liquid spraying pipe, and the side wall of the liquid spraying pipe is provided with a plurality of spraying heads which are communicated with one another and used for spraying a descaling agent to the inner wall of the steam boiler at equal intervals. The annular scraping plates are driven by the driving assembly to move close to or far away from each other, the descaling liquid is sprayed to the inner wall of the steam boiler through the multiple nozzles in cooperation with the liquid supply assembly, scale adhering to the inner wall of the steam boiler can be scraped off and removed conveniently and cleanly, workers do not need to enter the steam boiler, and the working efficiency is improved. The inner wall of the boiler is manually cleaned through a tool, time and labor are saved, and the fatigue strength of workers is reduced.

Description

Technical Field

[0001] The utility model provides a steam boiler with a convenient furnace cleaning, belonging to the technical field of steam boilers. Background Art

[0002] A steam boiler is a type of energy conversion equipment. The energy input into the boiler is in the form of chemical energy in the fuel, electrical energy, thermal energy from high-temperature flue gas, etc. After conversion by the boiler, it outputs steam, high-temperature water or organic heat carrier with a certain amount of thermal energy.

[0003] The existing steam boiler can basically meet the use needs, but due to the lack of a corresponding furnace inner wall cleaning structure, when cleaning the furnace inner wall, it is often necessary to open the steam boiler first, and then the staff enter the steam boiler and use tools to manually clean the boiler inner wall, which is relatively time-consuming and labor-intensive, and the staff fatigue intensity is relatively large. Based on this, the utility model provides a steam boiler that is convenient for furnace cleaning. Utility Model Content

[0004] The technical problem solved by the utility model is that workers enter the steam boiler and use tools to manually clean the inner wall of the boiler, which is relatively time-consuming and labor-intensive, and the workers have relatively high fatigue intensity.

[0005] In order to solve the technical problem, the utility model provides a technical solution: a steam boiler that is convenient for furnace cleaning, comprising a steam boiler, wherein slides are symmetrically and slidingly connected on both sides of the inner top wall of the steam boiler, the steam boiler is provided with a driving component for driving the slide to move, an annular scraper that fits the inner arc wall of the steam boiler is provided between the two side walls of the slide, a liquid spray pipe that passes through the slide is symmetrically provided between the inner upper walls of the steam boiler, a liquid supply component for supplying descaling liquid to the liquid spray pipe is provided on the top of the steam boiler, and a plurality of nozzles that are connected and equidistantly provided on the side walls of the liquid spray pipe for spraying descaling agent onto the inner wall of the steam boiler.

[0006] Furthermore, a drainage outlet is provided on the side bottom wall of the steam boiler, and a drainage control valve is provided on the drainage outlet.

[0007] Furthermore, the driving assembly includes a motor arranged on the outer wall of the steam boiler, the output end of the motor is inserted into the steam boiler and fixedly connected to a screw threadedly connected to the slide, and the other end of the screw is rotatably connected to the other inner wall of the steam boiler.

[0008] Furthermore, the rod body of the screw rod is symmetrically provided with screw threads which match the slide plate and rotate in opposite directions.

[0009] Furthermore, the slide plate is symmetrically provided with through holes disposed on both sides of the screw rod and through which the liquid spray pipe and the spray head pass.

[0010] Furthermore, the top of the slide plate is symmetrically provided with slide grooves, and the inner top wall of the steam boiler is provided with slide rails matching the slide grooves.

[0011] Furthermore, the liquid supply assembly includes a liquid tank arranged on the top of the steam boiler, a water pump is provided on the top of the liquid tank, a liquid extraction pipe inserted into the liquid tank is provided at the bottom of the water pump, and the top of the water pump is connected to the liquid injection pipe through a liquid outlet pipe.

[0012] Beneficial effects of the utility model:

[0013] The driving component drives the annular scrapers to move closer to and away from each other, and the descaling liquid is sprayed onto the inner wall of the steam boiler through multiple nozzles through the liquid supply component. The descaling agent slides downward along the inner wall of the steam boiler, so that the inner wall of the steam boiler can be sprayed with the descaling liquid. The annular scrapers move closer to and away from each other, so that the scale adhering to the inner wall of the steam boiler can be scraped off and removed conveniently and cleanly. There is no need for staff to enter the steam boiler, and tools are used to manually clean the inner wall of the boiler, which saves time and effort and reduces staff fatigue. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of a steam boiler that is convenient for furnace cleaning in the utility model. Figure 1 .

[0015] Figure 2 This is a schematic diagram of the structure of a steam boiler that is convenient for furnace cleaning in the utility model. Figure 2 .

[0016] Figure 3 The utility model is a plan view of a steam boiler which is convenient for cleaning the furnace.

[0017] Figure 4 The utility model is a schematic diagram of the local structure of a steam boiler which is convenient for cleaning the furnace.

[0018] 1. Steam boiler; 2. Slide plate; 3. Drive assembly; 4. Annular scraper; 5. Liquid spray pipe; 6. Liquid supply assembly; 7. Nozzle; 8. Drain port; 9. Drain control valve; 10. Motor; 11. Screw; 12. Screw thread; 13. Slide groove; 14. Slide rail; 15. Liquid tank; 16. Water pump; 17. Liquid extraction pipe; 18. Liquid outlet pipe; 19. Through hole. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with the accompanying drawings.

[0020] According to the attached Figure 1 , 2As shown in Figures 3 and 4: the utility model provides a steam boiler which is convenient for cleaning the furnace: it comprises a steam boiler 1, slide plates 2 are symmetrically and slidably connected to both sides of the inner top wall of the steam boiler 1, a driving assembly 3 for driving the slide plate 2 to move is provided on the steam boiler 1, an annular scraper 4 which fits the inner arc wall of the steam boiler 1 is provided between the two side walls of the slide plate 2, a liquid spray pipe 5 which passes through the slide plate 2 is symmetrically provided between the inner upper walls of the steam boiler 1, a liquid supply assembly 6 for supplying descaling liquid to the liquid spray pipe 5 is provided on the top of the steam boiler 1, and a plurality of nozzles 7 for spraying descaling agent onto the inner wall of the steam boiler 1 are equidistantly provided on the side walls of the liquid spray pipe 5.

[0021] According to the attached Figure 2 As shown: a drain port 8 is provided on the bottom wall of the steam boiler 1, and a drain control valve 9 is provided on the drain port 8 to discharge the liquid containing scale stains from the steam boiler 1 through the drain port 8.

[0022] According to the attached Figure 1 , 3 As shown: the driving assembly 3 includes a motor 10 arranged on the outer wall of the steam boiler 1, the output end of the motor 10 is inserted into the steam boiler 1 and fixedly connected with a screw 11 threadedly connected to the slide plate 2, the other end of the screw 11 is rotatably connected to the other inner wall of the steam boiler 1, and the rod body of the screw 11 is symmetrically provided with screw teeth 12 that match the slide plate 2 and rotate in the opposite direction. The screw 11 is driven to rotate by forward and reverse starting of the motor 10. Under the action of the limit of the slide rail 14 and the screw teeth 12 in the opposite direction of rotation, the slide plates 2 on both sides can be driven to move closer to or away from each other, and then the annular scraper 4 can be driven to move closer to or away from each other, so that the scale stains adhered to the inner wall of the furnace of the steam boiler 1 can be scraped off and removed, without the need for staff to enter the steam boiler, and the inner wall of the boiler can be manually cleaned with tools, which saves time and effort and reduces the fatigue intensity of the staff.

[0023] According to the attached Figure 4 As shown in the figure, the slide plate 2 is symmetrically provided with through holes 19 placed on both sides of the screw rod 11 and through which the liquid spraying pipe 5 and the nozzle 7 pass, so as to avoid interference with the liquid spraying pipe 5 and the nozzle 7 when the slide plate 2 moves.

[0024] According to the attached Figure 3 , 4 As shown: a slide groove 13 is symmetrically arranged on the top of the slide plate 2, and a slide rail 14 matching the slide groove 13 is arranged on the inner top wall of the steam boiler 1 to limit the slide plate 2.

[0025] According to the attached Figure 2 , 3As shown: the liquid supply component 6 includes a liquid tank 15 arranged on the top of the steam boiler 1, a water pump 16 is provided on the top of the liquid tank 15, and a liquid extraction pipe 17 inserted into the liquid tank 15 is provided at the bottom of the water pump 16. The top of the water pump 16 is connected to the liquid spraying pipe 5 through a liquid outlet pipe 18. After the descaling liquid is added to the liquid tank 15, the water pump 16 is started, and the descaling liquid in the liquid tank 15 is extracted through the liquid extraction pipe 17, and is finally transported to the liquid spraying pipe 5 through the water pump 16 and the liquid outlet pipe 18 in sequence, and is sprayed onto the inner wall of the steam boiler 1 through multiple nozzles 7. The descaling agent slides downward along the inner wall of the steam boiler 1, so that the inner wall of the steam boiler 1 can be sprayed with the descaling liquid, and the scale stains adhering to the inner wall of the steam boiler 1 can be scraped off and removed conveniently and cleanly with the annular scraper 4.

[0026] Principle of the utility model

[0027] When in use, the driving component 3 is used to start the motor 10 in forward and reverse directions to drive the screw 11 to rotate. Under the action of the limit of the slide rail 14 and the screw teeth 12 in the opposite direction of rotation, the slide plates 2 on both sides can be driven to move closer to or away from each other, thereby driving the annular scraper 4 to move closer to or away from each other. After the descaling liquid is added to the liquid tank 15 through the liquid supply component 6, the water pump 16 is started, and the descaling liquid in the liquid tank 15 is extracted through the liquid extraction pipe 17, and is successively transported to the liquid injection pipe 5 through the water pump 16 and the liquid outlet pipe 18, and is sprayed onto the inner wall of the steam boiler 1 through multiple nozzles 7. The descaling agent slides downward along the inner wall of the steam boiler 1, so that the inner wall of the steam boiler 1 can be sprayed with the descaling liquid. With the annular scraper 4 moving closer to or away from each other, the scale adhered to the inner wall of the steam boiler 1 can be scraped off and removed conveniently and cleanly. There is no need for the staff to enter the steam boiler, and the inner wall of the boiler can be manually cleaned with tools, which saves time and effort and reduces the fatigue intensity of the staff.

[0028] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A steam boiler with convenient furnace cleaning, comprising a steam boiler (1), characterized in that: Slide plates (2) are symmetrically slidably connected to the inner top wall of the steam boiler (1), a driving assembly (3) for driving the slide plate (2) to move is provided on the steam boiler (1), an annular scraper (4) is provided between the two side walls of the slide plate (2) and is in contact with the inner arc wall of the steam boiler (1), a liquid spray pipe (5) passing through the slide plate (2) is symmetrically provided between the inner upper walls of the steam boiler (1), a liquid supply assembly (6) for supplying descaling liquid to the liquid spray pipe (5) is provided on the top of the steam boiler (1), and a plurality of nozzles (7) for spraying descaling agent onto the inner wall of the steam boiler (1) are equidistantly provided on the side walls of the liquid spray pipe (5).

2. A steam boiler with convenient furnace cleaning according to claim 1, characterized in that: The bottom wall of the steam boiler (1) is provided with a drainage port (8), and the drainage port (8) is provided with a drainage control valve (9).

3. A steam boiler with convenient furnace cleaning according to claim 1, characterized in that: The driving assembly (3) comprises a motor (10) arranged on the outer side wall of the steam boiler (1), the output end of the motor (10) being inserted into the steam boiler (1) and fixedly connected to a screw rod (11) threadedly connected to the slide plate (2), and the other end of the screw rod (11) being rotatably connected to the other inner side wall of the steam boiler (1).

4. A steam boiler with convenient furnace cleaning according to claim 3, characterized in that: The body of the screw rod (11) is symmetrically provided with screw threads (12) that match the slide plate (2) and rotate in the opposite direction.

5. A steam boiler with convenient furnace cleaning according to claim 3, characterized in that: The slide plate (2) is symmetrically provided with through holes (19) disposed on both sides of the screw rod (11) and through which the liquid spray pipe (5) and the spray head (7) pass.

6. A steam boiler with convenient furnace cleaning according to claim 1, characterized in that: The top of the slide plate (2) is symmetrically provided with a slide groove (13), and the inner top wall of the steam boiler (1) is provided with a slide rail (14) matching the slide groove (13).

7. A steam boiler with convenient furnace cleaning according to claim 1, characterized in that: The liquid supply assembly (6) comprises a liquid tank (15) arranged on the top of the steam boiler (1), a water pump (16) is arranged on the top of the liquid tank (15), a liquid extraction pipe (17) inserted into the liquid tank (15) is arranged on the bottom of the water pump (16), and the top of the water pump (16) is connected to the liquid spraying pipe (5) via a liquid outlet pipe (18).

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