Boiler

Abstract

The utility model relates to a boiler. The boiler comprises a boiler body, a combustion cylinder, a stirring structure and a driving structure. The furnace body is provided with a containing cavity. The combustion cylinder is located in the containing cavity. The combustion cylinder is provided with an ignition port. The stirring structure comprises a stirring plate located in the combustion cylinder and a plurality of slag removal structures arranged on the stirring plate. The driving structure comprises a driving motor and a connecting rotating shaft connected to a driving shaft of the driving motor. The driving motor is located on the side, away from the ignition opening, of the combustion cylinder, and the connecting rotating shaft sequentially penetrates through the furnace body and the combustion cylinder to be connected with the stirring plate so as to drive the stirring plate to stir fuel in the combustion cylinder and enable the deslagging structure to scrape the inner wall face of the combustion cylinder. The multiple slag removal structures arranged on the stirring plate can scrape the inner wall face of the combustion cylinder so as to clean slag in the combustion cylinder in time, and the situation that the slag adheres to the inner wall of the combustion cylinder, and consequently the boiler needs to be shut down for slag removal is prevented.

Description

Technical Field

[0001] The present disclosure relates to the technical field of thermal power generation, and in particular to a boiler. Background Art

[0002] A boiler is an energy conversion device. The energy input to the boiler includes chemical energy and electrical energy in the fuel. The boiler outputs steam, high-temperature water or organic heat carrier with a certain amount of thermal energy. The main working principle of the boiler is that it is a thermal device that uses the heat energy released after the combustion of fuel or the waste heat in industrial production to transfer to the water in the container, so that the water reaches the required temperature or a certain pressure of steam.

[0003] After the fuel in the boiler burns in the combustion tube, slag will be produced. If it burns for a long time, the slag will adhere to the inner wall of the combustion tube. In the related technology, the boiler needs to be shut down for slag removal. The slag removal time is not fixed, which affects the efficiency of the boiler. For example, when the boiler is used in a thermal power plant, it will affect the power generation efficiency of the thermal power plant. Utility Model Content

[0004] The purpose of the present disclosure is to provide a boiler to achieve the purpose of timely cleaning of slag in the combustion tube, improve the efficiency of the boiler, and at least partially solve the related technical problems.

[0005] In order to achieve the above-mentioned object, the present disclosure provides a boiler. The boiler comprises:

[0006] A furnace body, wherein the furnace body has a containing cavity;

[0007] A combustion tube is located in the accommodating cavity, and the combustion tube has an ignition port;

[0008] A stirring structure, comprising a stirring plate located in the combustion tube and a plurality of slag removal structures arranged on the stirring plate;

[0009] The driving structure includes a driving motor and a connecting shaft connected to the driving shaft of the driving motor, the driving motor is located on the side of the combustion tube away from the ignition port, and the connecting shaft sequentially passes through the furnace body and the combustion tube to be connected to the stirring plate, so as to drive the stirring plate to stir the fuel in the combustion tube and enable the slag removal structure to scrape the inner wall surface of the combustion tube.

[0010] Optionally, the furnace body includes a shell and an end cover which are detachably connected to each other, and a mounting rod is provided on the side of the end cover facing the accommodating cavity, and the mounting rod is connected to the side of the combustion tube away from the ignition port, and the connecting shaft passes through the end cover and the combustion tube in sequence and is connected to the stirring plate.

[0011] Optionally, the boiler further includes a burner located on one side of the ignition port of the combustion cylinder. The burner penetrates through the housing and is aligned with the ignition port to inject air and fuel into the combustion cylinder.

[0012] Optionally, the boiler further includes a smoke exhaust pipe located between the drive motor and the end cover. The connecting rotating shaft sequentially penetrates through the smoke exhaust pipe, the end cover, and the combustion cylinder to be connected to the stirring plate. The inlet end of the smoke exhaust pipe communicates with the accommodating cavity.

[0013] Optionally, the drive structure further includes a stirring fan connected to the connecting rotating shaft and located at the inlet of the smoke exhaust pipe.

[0014] Optionally, a support rod is connected to the smoke exhaust pipe, and the drive motor is slidably connected to the support rod through a sliding member.

[0015] Optionally, the slag removal structure is configured as a slag removal plate, and a plurality of the slag removal plates are arranged at intervals on the side of the stirring plate close to the combustion cylinder.

[0016] Optionally, the boiler further includes a slag discharge pipe that penetrates through the furnace body, and the inlet of the slag discharge pipe is located below the ignition port of the combustion cylinder to discharge the furnace slag removed by the slag removal structure from the outlet of the slag discharge pipe out of the furnace body.

[0017] Optionally, a first water storage tank is provided on the combustion cylinder, a first inlet and a first outlet communicating with the first water storage tank are provided on the furnace body, a second water storage tank and a second inlet and a second outlet communicating with the second water storage tank are provided on the furnace body.

[0018] Optionally, the first inlet and the inlet of the first water storage tank and the first outlet and the outlet of the first water storage tank are respectively communicated through a connecting water pipe. The connecting water pipe includes a first connecting cylinder and a second connecting cylinder that are detachably communicated, and a filtering member is provided in the first connecting cylinder and / or the second connecting cylinder.

[0019] Through the above technical solution, namely the boiler. The boiler includes a furnace body, a combustion cylinder, a stirring structure, and a drive structure. During use, the stirring plate of the stirring structure can stir the fuel in the combustion cylinder under the drive of the drive motor to improve the combustion efficiency of the fuel. Further, a plurality of slag removal structures arranged on the stirring plate can scrape the inner wall surface of the combustion cylinder to timely clean the furnace slag in the combustion cylinder and prevent the furnace slag from adhering to the inner wall of the combustion cylinder, which requires the boiler to stop for slag removal.

[0020] Other features and advantages of the present disclosure will be described in detail in the subsequent specific implementation section. Brief Description of the Drawings

[0021] The drawings are used to provide a further understanding of the present disclosure and form a part of the specification. Together with the following detailed implementation manners, they are used to explain the present disclosure, but do not constitute a limitation to the present disclosure. In the drawings:

[0022] Figure 1 is a schematic structural diagram of a boiler provided according to an embodiment of the present disclosure;

[0023] Figure 2 is a schematic structural diagram of a connecting water pipe provided according to an embodiment of the present disclosure.

[0024] Description of the Reference Numerals

[0025] 100, boiler;

[0026] 1, furnace body; 11, accommodating cavity; 12, housing; 13, end cover; 14, mounting rod;

[0027] 2, combustion cylinder; 21, ignition port;

[0028] 3, stirring structure; 31, stirring plate; 32, slag removal structure;

[0029] 4, driving structure; 41, driving motor; 42, connecting rotating shaft; 43, stirring fan;

[0030] 5, burner;

[0031] 6, smoke exhaust pipe; 61, support rod; 62, sliding member;

[0032] 7, slag discharge pipe;

[0033] 8, first water storage tank; 81, first inlet; 82, first outlet;

[0034] 9, second water storage tank; 91, second inlet; 92, second outlet;

[0035] 10, connecting water pipe; 101, first connecting cylinder; 102, second connecting cylinder; 103, seal. Detailed Implementation Manner

[0036] The following details the specific implementation manners of the present disclosure with reference to the drawings. It should be understood that the specific implementation manners described herein are only used to illustrate and explain the present disclosure and are not used to limit the present disclosure.

[0037] In the present disclosure, unless otherwise specified, directional words such as "up, down, left, right" generally refer to the position when used by the user; "inside, outside" refer to the inside and outside of the corresponding component contour; in addition, it should be noted that the terms used, such as "first, second", etc., are intended to distinguish one element from another.

[0038] According to one embodiment of the present disclosure, Figure 1 As shown, a boiler is provided. The boiler may include a furnace body 1, a combustion barrel 2, a stirring structure 3 and a driving structure 4. The furnace body 1 has a accommodating cavity 11. The combustion barrel 2 is located in the accommodating cavity 11. The combustion barrel 2 has an ignition port 21. The stirring structure 3 includes a stirring plate 31 located in the combustion barrel 2 and a plurality of slag removal structures 32 arranged on the stirring plate 31. The driving structure 4 may include a driving motor 41 and a connecting shaft 42 connected to a driving shaft of the driving motor 41. The driving motor 41 is located on a side of the combustion barrel 2 away from the ignition port 21, and the connecting shaft 42 sequentially passes through the furnace body 1 and the combustion barrel 2 to be connected to the stirring plate 31, so as to drive the stirring plate 31 to stir the fuel in the combustion barrel 2 and enable the slag removal structure 32 to scrape the inner wall surface of the combustion barrel 2.

[0039] Through the above technical solution, the stirring plate 31 of the stirring structure 3 can stir the fuel in the combustion tube 2 under the drive of the driving motor 41 to improve the combustion efficiency of the fuel. Further, the multiple slag removal structures 32 arranged on the stirring plate 31 can scrape the inner wall surface of the combustion tube 2 to timely clean the slag in the combustion tube 2, and prevent the slag from adhering to the inner wall of the combustion tube 2 and requiring the boiler to be shut down for cleaning. Accordingly, when the boiler is used in a thermal power plant, the power generation efficiency can also be improved.

[0040] In some embodiments, Figure 1 As shown, the furnace body 1 may include a shell 12 and an end cover 13 that are detachably connected to each other. A mounting rod 14 is provided on the side of the end cover 13 facing the accommodating cavity 11. The mounting rod 14 is connected to the side of the combustion tube 2 away from the ignition port 21. The connecting shaft 42 sequentially penetrates the end cover 13 and the combustion tube 2 and is connected to the stirring plate 31. Designing the furnace body 1 as a split design consisting of the shell 12 and the end cover 13 can facilitate the replacement and maintenance of the combustion tube 2 in the accommodating cavity 11. Furthermore, the connecting shaft 42 sequentially penetrates the end cover 13 and the combustion tube 2 to achieve connection with the stirring plate 31. This arrangement is structurally reasonable and compact.

[0041] In some embodiments, Figure 1As shown, the boiler may further include a burner 5. The burner 5 is located on one side of the ignition port 21 of the combustion cylinder 2. The burner 5 penetrates through the housing 12 and is aligned with the ignition port 21 to inject air and fuel into the combustion cylinder 2. The use of the burner 5 can continuously feed fuel and air into the combustion cylinder 2, and enable them to be well mixed, ignite and burn quickly and stably.

[0042] In some embodiments, as Figure 1 As shown, the boiler may further include an exhaust pipe 6. The exhaust pipe 6 is located between the drive motor 41 and the end cover 13. The connecting rotating shaft 42 sequentially penetrates through the exhaust pipe 6, the end cover 13 and the combustion cylinder 2 and is connected to the stirring plate 31. The inlet end of the exhaust pipe 6 communicates with the accommodation cavity 11. For example, the exhaust pipe 6 may be integrally formed with the end cover 13. The arrangement of the exhaust pipe 6 can reliably guide the flue gas generated during combustion in the furnace body 1 to the outside of the furnace body 1 for centralized treatment and utilization. The connecting rotating shaft 42 sequentially penetrates through the exhaust pipe 6, the end cover 13 and the combustion cylinder 2 and is connected to the stirring plate 31, and this arrangement is reasonable and compact.

[0043] In some embodiments, as Figure 1 As shown, the drive structure 4 may further include a stirring fan 43. The stirring fan 43 is connected to the connecting rotating shaft 42 and is located at the inlet of the exhaust pipe 6. The arrangement of the stirring fan 43 can further guide the flue gas generated during combustion in the furnace body 1 to be centrally discharged toward the exhaust pipe 6.

[0044] In some embodiments, as Figure 1 As shown, a support rod 61 may also be connected to the exhaust pipe 6. The drive motor 41 is slidably connected to the support rod 61 through a sliding member 62. The arrangements of the support rod 61 and the sliding member 62 can facilitate the connection and assembly between the drive motor 41 and the connecting rotating shaft 42, and the drive motor 41 can be driven to move by sliding the sliding member 62 to adaptively adjust the installation position of the drive motor 41.

[0045] In some embodiments, as Figure 1 As shown, the slag removal structure 32 may be configured as a slag removal plate. A plurality of slag removal plates are arranged at intervals on the side of the stirring plate 31 close to the combustion cylinder 2. By continuously scraping the inner wall of the combustion cylinder 2 with a plurality of slag removal plates, the slag in the combustion cylinder 2 can be effectively removed. Of course, it can be understood that the slag removal structure 32 may also be configured as other structural forms such as slag removal protrusions, which are not limited herein, and those skilled in the art can design and adjust according to the actual situation.

[0046] In some embodiments, as Figure 1As shown, the boiler may further include a slag discharge pipe 7. The slag discharge pipe 7 penetrates through the furnace body 1, and the inlet of the slag discharge pipe 7 is located below the ignition port 21 of the combustion cylinder 2, so as to discharge the slag removed by the slag removal plate from the outlet of the slag discharge pipe 7 out of the furnace body 1. The arrangement of the slag discharge pipe 7 can effectively collect and guide the discharge of the slag in the combustion cylinder 2.

[0047] In some embodiments, such as Figure 1 and Figure 2 As shown, a first water tank 8 is provided on the combustion cylinder 2. A first inlet 81 and a first outlet 82 communicating with the first water tank 8 are provided on the furnace body 1. A second water tank 9 and a second inlet 91 and a second outlet 92 communicating with the second water tank 9 are provided on the furnace body 1. Among them, the first inlet 81 can be used to introduce a heat exchange medium into the first water tank 8 of the combustion cylinder 2, and the heat exchange medium introduced into the first water tank 8 can be discharged from the first outlet 82 after being heated by the combustion cylinder 2 for subsequent use. In addition, the second inlet 91 can be used to introduce a heat exchange medium into the second water tank 9 provided on the furnace body 1, and the heat exchange medium introduced into the second water tank 9 can also be discharged from the second outlet 92 after being heated by the combustion cylinder 2 for subsequent use. It should be noted here that the heat exchange medium can be water. Correspondingly, the heat exchange medium discharged from the first outlet 82 or the second outlet 92 can be water with a set temperature after heating, or steam with a set temperature and a set pressure.

[0048] In some embodiments, such as Figure 1 and Figure 2 As shown, a connecting water pipe 10 is respectively provided between the first inlet 81 and the inlet of the first water tank 8 and between the first outlet 82 and the outlet of the first water tank 8. It should be noted that Figure 1 only the connecting water pipe 10 provided between the first inlet 81 and the inlet of the first water tank 8 is shown in

[0049] Figure 2 Figure 2As shown, a filter element (not shown in the figure) is provided inside the first connecting cylinder 101 and / or the second connecting cylinder 102. The provision of the filter element can achieve the purpose of filtering the heat exchange medium introduced into the first water tank 8, avoiding impurities in the heat exchange medium introduced into the first water tank 8, causing problems of corrosion and scaling of the first water tank 8, and affecting the service life of the first water tank 8. In addition, the provision of the filter element can also avoid impurities in the heated heat exchange medium, affecting the use effect of the heated heat exchange medium.

[0050] In some embodiments, as Figure 2 shown, a seal 103 is provided inside the second connecting cylinder 102. When the first connecting cylinder 101 and the second connecting cylinder 102 are connected to each other, the end of the first connecting cylinder 101 can abut against the seal 103. The provision of the seal 103 can improve the connection reliability between the first connecting cylinder 101 and the second connecting cylinder 102, and avoid leakage of the heat exchange medium from the connection between the first connecting cylinder 101 and the second connecting cylinder 102. For example, the seal can be configured as a rubber gasket.

[0051] The preferred embodiments of the present disclosure have been described in detail above in conjunction with the accompanying drawings. However, the present disclosure is not limited to the specific details in the above embodiments. Within the scope of the technical concept of the present disclosure, various simple modifications can be made to the technical solutions of the present disclosure, and these simple modifications all fall within the protection scope of the present disclosure.

[0052] In addition, it should be noted that, among the various specific technical features described in the above specific embodiments, they can be combined in any suitable manner without conflict. To avoid unnecessary repetition, the present disclosure will not separately describe various possible combination methods.

[0053] Furthermore, any combination can be made between various different embodiments of the present disclosure, as long as it does not violate the idea of the present disclosure, and it should also be regarded as the content disclosed by the present disclosure.

Claims

1. A boiler, characterized in that, include: A furnace body, wherein the furnace body has a containing cavity; A combustion tube, located in the accommodating cavity, and having an ignition port; A stirring structure, comprising a stirring plate located in the combustion tube and a plurality of slag removal structures arranged on the stirring plate; The driving structure includes a driving motor and a connecting shaft connected to the driving shaft of the driving motor, the driving motor is located on the side of the combustion tube away from the ignition port, and the connecting shaft sequentially passes through the furnace body and the combustion tube to be connected to the stirring plate, so as to drive the stirring plate to stir the fuel in the combustion tube and enable the slag removal structure to scrape the inner wall surface of the combustion tube.

2. The boiler according to claim 1, characterized in that, The furnace body includes a shell and an end cover which are detachably connected to each other. A mounting rod is provided on the side of the end cover facing the accommodating cavity. The mounting rod is connected to the side of the combustion tube away from the ignition port. The connecting shaft passes through the end cover and the combustion tube in sequence and is connected to the stirring plate.

3. The boiler according to claim 2, characterized in that, The boiler further comprises a burner, which is located at one side of the ignition port of the combustion tube. The burner penetrates the shell and is aligned with the ignition port so as to inject air and fuel into the combustion tube.

4. The boiler according to claim 2, characterized in that, The boiler also includes a smoke exhaust pipe, which is located between the drive motor and the end cover. The connecting shaft passes through the smoke exhaust pipe, the end cover and the combustion tube in sequence and is connected to the stirring plate. The inlet end of the smoke exhaust pipe is connected to the accommodating cavity.

5. The boiler according to claim 4, characterized in that, The driving structure further comprises a stirring fan, which is connected to the connecting rotating shaft and is located at the inlet of the smoke exhaust pipe.

6. The boiler according to claim 4, characterized in that, The smoke exhaust pipe is connected with a support rod, and the drive motor is slidably connected to the support rod via a sliding member.

7. The boiler according to claim 1, characterized in that, The slag removal structure is configured as a slag removal plate, and a plurality of the slag removal plates are arranged at intervals on a side of the stirring plate close to the combustion tube.

8. The boiler according to claim 1, characterized in that, The boiler further includes a slag discharge pipe which penetrates the furnace body, and an inlet of the slag discharge pipe is located below the ignition port of the combustion tube, so that the slag removed by the slag removal structure can be discharged from the furnace body through an outlet of the slag discharge pipe.

9. The boiler according to claim 1, characterized in that, The combustion tube is provided with a first water tank, the furnace body is provided with a first inlet and a first outlet communicated with the first water tank, the furnace body is provided with a second water tank and a second inlet and a second outlet communicated with the second water tank.

10. The boiler according to claim 9, characterized in that, The first inlet and the inlet of the first water tank, as well as the first outlet and the outlet of the first water tank are respectively connected via a connecting water pipe, and the connecting water pipe includes a first connecting cylinder and a second connecting cylinder that are detachably connected, and a filter is arranged in the first connecting cylinder and / or the second connecting cylinder.

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