Biomass boiler device with flue gas purification function

Abstract

The utility model relates to the technical field of biomass boiler devices, in particular to a biomass boiler device with a flue gas purification function, which comprises a device body, a combustion chamber and a flue gas purification chamber are sequentially arranged in the device body from left to right, and a flue is connected between the combustion chamber and the flue gas purification chamber in a penetrating manner. A refrigerant inlet pipe and a heating medium outlet pipe are sequentially embedded into the flue from top to bottom in the front face of the device body, and a heat exchange pipe is connected between the side face of the refrigerant inlet pipe and the side face of the heating medium outlet pipe and located in the flue in a penetrating mode. The device is simple in structure and is provided with a structure facilitating heat exchange and cooling flue gas treatment and filtering, dust collecting and purifying flue gas treatment, so that high-temperature flue gas generated by the combustion chamber is subjected to energy-saving heat exchange utilization and cooling treatment; and meanwhile, the drainage combustion flue gas is conveniently filtered and subjected to dust collection treatment and then is subjected to flue gas purification, safe emission reduction and use through a discharge pipe, and the device is very practical.

Description

Technical Field

[0001] The utility model relates to the technical field of biomass boiler devices, in particular to a biomass boiler device with flue gas purification. Background Art

[0002] Classification of biomass boilers: horizontal biomass boilers, vertical biomass boilers. Biomass gas thermal oil boilers, biomass steam boilers, biomass hot water boilers, biomass thermal oil boilers, biomass boilers are a type of boiler, and the boiler that uses biomass energy as fuel is called a biomass boiler. During the use of biomass boilers, the ash produced by the combustion of BMF accounts for about 1.5% of the fuel, so it is particularly important whether the smoke emissions of biomass boilers meet environmental protection requirements.

[0003] The biomass boiler device in the prior art does not have a structure that is convenient for heat exchange and cooling flue gas treatment and filtering, dust collection and purification of flue gas treatment, making it inconvenient to use the high-temperature flue gas generated in the combustion chamber for energy-saving heat exchange and cooling, and it is not convenient to guide the combustion flue gas through filtering and dust collection for flue gas purification and safe emission reduction.

[0004] Therefore, it is necessary to design a biomass boiler device with flue gas purification to solve the above-mentioned problems. Utility Model Content

[0005] The purpose of the utility model is to provide a biomass boiler device with flue gas purification. The biomass boiler device has a structure that is convenient for heat exchange and cooling flue gas treatment and filtering, dust collection and purification of flue gas treatment, so as to improve its convenience for energy-saving heat exchange and utilization of high-temperature flue gas generated in the combustion chamber, cooling the high-temperature flue gas, and facilitating the drainage of combustion flue gas after filtering and dust collection for flue gas purification and safe emission reduction, thereby solving the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A biomass boiler device with flue gas purification comprises a device body, wherein a combustion chamber and a flue gas purification chamber are arranged in sequence from left to right inside the device body, a flue is connected between the combustion chamber and the flue gas purification chamber, a refrigerant inlet pipe and a heat medium outlet pipe are installed inside the flue in sequence from top to bottom in the front side of the device body, a heat exchange pipe is connected between the sides of the refrigerant inlet pipe and the heat medium outlet pipe and located inside the flue, a discharge pipe is installed inside the flue through the right side of the device body, a discharge fan is installed inside the discharge pipe, and the device body is connected to the flue gas purification chamber. The front side of the device body is sequentially embedded in the flue gas purification chamber with a dust collecting box and a filter core plate installed therein from left to right, a coal inlet is provided on the left side of the device body that passes through the interior of the combustion chamber, a burner is embedded in the bottom end of the inner wall of the combustion chamber, a grate is installed inside the combustion chamber and at the lower edge of the coal inlet, a base is installed at the bottom of the device body, a coal loader is installed at the top of the base near the outer edge of the coal inlet, a boiler is fixedly installed on the top of the device body embedded in the interior of the combustion chamber, and a controller is embedded in the front side of the device body and at the upper edge of the dust collecting box.

[0008] As a preferred solution of the utility model, the heat exchange tube is a continuous S-shaped pipe structure, and a plurality of the heat exchange tubes are distributed at equal intervals.

[0009] As a preferred solution of the utility model, pull-out handles are installed on the front of the dust collecting box and the filter core plate, a sliding assembly is installed between the bottom of the dust collecting box and the bottom end of the inner wall of the flue gas purification chamber, and the inner wall of the flue gas purification chamber is provided with a U-shaped slot whose size matches the installation of the filter core plate.

[0010] As a preferred solution of the utility model, an electric feeding impeller driven by a motor is installed on one side of the coal loader near the coal inlet, and a blower is installed inside the coal loader that runs through the combustion chamber, and the air supply pipe of the blower is installed through the lower edge of the grate.

[0011] As a preferred solution of the utility model, a feed pipe and a discharge pipe are installed on the top of the boiler in sequence from left to right.

[0012] As a preferred solution of the utility model, the controller is provided with a display screen and a plurality of control buttons, and the controller is electrically connected to the burner, the exhaust fan and the coal loaders.

[0013] Beneficial effect: In view of the problem that the biomass boiler device in the prior art does not have a structure that is convenient for heat exchange and cooling flue gas treatment and filtering and dust collection to purify flue gas treatment, thereby not being convenient for energy-saving heat exchange and utilization of high-temperature flue gas generated in the combustion chamber and cooling the high-temperature flue gas, and not being convenient for guiding the combustion flue gas to be filtered and dust-collected for flue gas purification and safe emission reduction, in the utility model, a flue with a heat exchange pipe is provided to facilitate energy-saving heat exchange and utilization of high-temperature flue gas generated in the combustion chamber, and at the same time, the high-temperature flue gas can be cooled, and an exhaust fan is provided in conjunction with a dust collection box and a filter core plate flue gas purification chamber, so that the combustion flue gas can be guided to be filtered and dust-collected for flue gas purification and safe emission reduction through the exhaust pipe. The structure is simple and has a convenient heat exchange and cooling flue gas treatment structure and filtering and dust collection to purify flue gas treatment, so that the high-temperature flue gas generated in the combustion chamber can be energy-saving heat exchange and utilization and cooling the high-temperature flue gas, and at the same time, it is convenient to guide the combustion flue gas to be filtered and dust-collected for flue gas purification and safe emission reduction through the exhaust pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is an overall stereogram of a biomass boiler device with flue gas purification according to the utility model;

[0015] Figure 2 This is the overall front view of a biomass boiler device with flue gas purification according to the utility model;

[0016] Figure 3 This is a schematic diagram of the overall main internal structure of a biomass boiler device with flue gas purification according to the utility model;

[0017] Figure 4 The utility model is a schematic diagram of the overall internal structure of a biomass boiler device with flue gas purification from a top view.

[0018] In the figure: 1. base; 2. device body; 21. combustion chamber; 211. coal inlet; 212. burner; 213. grate; 22. flue; 221. refrigerant inlet pipe; 222. heat medium outlet pipe; 223. heat exchange pipe; 23. flue gas purification chamber; 231. dust collection box; 232. filter core plate; 24. discharge pipe; 25. discharge fan; 3. coal loader; 31. electric feeding impeller; 32. blower; 4. boiler; 41. feed pipe; 42. discharge pipe; 5. controller. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0020] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant literature, and several embodiments of the present invention are given. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0021] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may also be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field of the present invention. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used in this article includes any and all combinations of one or more related listed items.

[0023] See also Figure 1-4 , the utility model provides a technical solution:

[0024] A biomass boiler device with flue gas purification comprises a device body 2, wherein a combustion chamber 21 and a flue gas purification chamber 23 are sequentially arranged inside the device body 2 from left to right, a flue 22 is connected between the combustion chamber 21 and the flue gas purification chamber 23, a refrigerant inlet pipe 221 and a heat medium outlet pipe 222 are sequentially embedded in the flue 22 on the front side of the device body 2 from top to bottom, a heat exchange pipe 223 is connected through the flue 22 between the sides of the refrigerant inlet pipe 221 and the heat medium outlet pipe 222, a discharge pipe 24 is installed inside the flue 22 on the right side of the device body 2, a discharge fan 25 is installed inside the discharge pipe 24, a dust collecting box 231 and a filter core plate are sequentially embedded in the flue gas purification chamber 23 on the front side of the device body 2 from left to right 232, a coal inlet 211 is provided on the left side of the device body 2 through the interior of the combustion chamber 21, a burner 212 is embedded in the bottom end of the inner wall of the combustion chamber 21, a grate 213 is installed inside the combustion chamber 21 and at the lower edge of the coal inlet 211, a base 1 is installed at the bottom of the device body 2, a coal loader 3 is installed on the top of the base 1 near the outer edge of the coal inlet 211, a boiler 4 is fixedly installed on the top of the device body 2 embedded in the interior of the combustion chamber 21, a feed pipe 41 and a discharge pipe 42 are installed on the top of the boiler 4 from left to right, a controller 5 is embedded in the front of the device body 2 and at the upper edge of the dust collecting box 231, the controller 5 is provided with a display screen and a plurality of control buttons, and the controller 5 is electrically connected to the burner 212, the exhaust fan 25 and the coal loader 3.

[0025] Specifically, an electric feeding impeller 31 driven by a motor is installed on one side of the coal loader 3 near the coal inlet 211, and a blower 32 is installed inside the coal loader 3 that runs through the combustion chamber 21. The air supply pipe of the blower 32 is located at the lower edge of the grate 213 and is installed through it. The fuel feed in the coal loader 3 is fed into the grate 213 in the combustion chamber 21 through the electric feeding impeller 31, and air is supplied through the blower 32 so that the air passes through the gap in the grate 213 and enters the upper fuel layer for combustion, which is beneficial to the full combustion of a large amount of volatile matter instantly precipitated during the combustion of biomass fuel.

[0026] Preferably, the heat exchange tube 223 is in a continuous S-shaped pipe structure, and a plurality of heat exchange tubes 223 are evenly spaced. Pull handles are installed on the front of the dust collecting box 231 and the filter core plate 232. A sliding assembly is installed between the bottom of the dust collecting box 231 and the bottom end of the inner wall of the flue gas purification chamber 23. The inner wall of the flue gas purification chamber 23 is provided with a U-shaped slot whose size matches the installation of the filter core plate 232. By providing a flue 22 with a heat exchange tube 223, it is convenient to energy-savingly heat exchange the high-temperature flue gas generated by the combustion chamber 21, and at the same time, the high-temperature flue gas can be cooled. By providing an exhaust fan 24 with a dust collecting box 231 and a filter core plate 232 in conjunction with the flue gas purification chamber 23, it is convenient to guide the combustion flue gas through filtration and dust collection to be purified by the exhaust pipe 24 for safe emission reduction.

[0027] To sum up, the utility model is not only simple in structure but also has convenient heat exchange and cooling flue gas treatment and filtering, dust collection and purification flue gas treatment structure, so as to realize energy-saving heat exchange utilization and cooling treatment of high-temperature flue gas generated in the combustion chamber, and at the same time, it is convenient to guide the combustion flue gas through filtering and dust collection treatment, and then purify the flue gas through the discharge pipe for safe emission reduction, which is very practical.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A biomass boiler device with flue gas purification, comprising a device body (2), characterized in that The interior of the device body (2) is provided with a combustion chamber (21) and a flue gas purification chamber (23) from left to right, and a flue (22) is connected between the combustion chamber (21) and the flue gas purification chamber (23). The front of the device body (2) is embedded in the flue (22) from top to bottom, and a refrigerant inlet pipe (221) and a heat medium outlet pipe (222) are installed inside. A heat exchange pipe (223) is connected between the sides of the refrigerant inlet pipe (221) and the heat medium outlet pipe (222) and is located inside the flue (22). The right side of the device body (2) is connected to the flue gas purification chamber (23) and an exhaust pipe (24) is installed inside. An exhaust fan (25) is installed inside the exhaust pipe (24). The front of the device body (2) is embedded in the flue gas purification chamber (23) from left to right. A dust collecting box (231) and a filter core plate (232) are mounted inside the purification chamber (23); a coal inlet (211) is provided on the left side of the device body (2) through the interior of the combustion chamber (21); a burner (212) is embedded and installed at the bottom end of the inner wall of the combustion chamber (21); a grate (213) is installed inside the combustion chamber (21) and at the lower edge of the coal inlet (211); a base (1) is installed at the bottom of the device body (2); a coal loader (3) is installed at the top of the base (1) near the outer edge of the coal inlet (211); a boiler (4) is fixedly installed at the top of the device body (2) embedded in the interior of the combustion chamber (21); and a controller (5) is embedded and installed on the front of the device body (2) and at the upper edge of the dust collecting box (231).

2. A biomass boiler device with flue gas purification according to claim 1, characterized in that: The heat exchange tube (223) is in a continuous S-shaped pipe structure, and a plurality of the heat exchange tubes (223) are arranged at equal intervals.

3. A biomass boiler device with flue gas purification according to claim 1, characterized in that: The front sides of the dust collecting box (231) and the filter core plate (232) are both provided with pull-out handles, a sliding assembly is installed between the bottom of the dust collecting box (231) and the bottom end of the inner wall of the smoke purification chamber (23), and the inner wall of the smoke purification chamber (23) is provided with a U-shaped slot with a size matching that of the filter core plate (232) for installation.

4. A biomass boiler device with flue gas purification according to claim 1, characterized in that: An electric charging impeller (31) driven by a motor is installed on one side of the coal loader (3) near the coal inlet (211), and a blower (32) is installed inside the coal loader (3) and penetrates the combustion chamber (21). The air supply pipe of the blower (32) is installed at the lower edge of the grate (213).

5. The biomass boiler device with flue gas purification according to claim 1 is characterized in that: A feed pipe (41) and a discharge pipe (42) are sequentially installed on the top of the boiler (4) from left to right.

6. A biomass boiler device with flue gas purification according to claim 1, characterized in that: The controller (5) is provided with a display screen and a plurality of control buttons, and the controller (5) is electrically connected to the burner (212), the exhaust fan (25) and the coal loaders (3).

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