An energy-saving and low-consumption biomass environmentally friendly hot air furnace

By introducing crushing and blowers into the biomass hot air furnace and equipped with a filter mechanism, the problems of insufficient combustion of biomass fuel and unpurified flue gas are solved, and efficient combustion and environmentally friendly purification are achieved.

CN222703513UActive Publication Date: 2025-04-01WUXI JIUCHUAN MASCH EQUIP CO LTD
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Patent Information

Application Number
CN202420413526.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-04
Publication Date
2025-04-01
Estimated Expiration
2034-03-04

AI Technical Summary

Technical Problem

The existing biomass hot air furnaces are not fully burned when burning biomass fuel, which affects combustion efficiency and fails to effectively purify the flue gas in the exhausted hot air, affecting their use.

Method used

A biomass environmentally friendly hot air furnace including a combustion furnace, a crushing mechanism, a blower, a filter mechanism and an exhaust duct is designed. The biomass fuel is crushed into pieces through a crushing mechanism, and the blower injects fresh air to speed up combustion efficiency, and purifies the hot air through the filter mechanism to remove impurities and harmful gases.

Benefits of technology

The combustion efficiency of biomass fuel is improved, and through effective flue gas purification, the environmental protection and safety of hot air is ensured.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

This utility model discloses an energy-saving and low-consumption biomass environmentally friendly hot air furnace, relating to the field of biomass furnaces. It includes a combustion furnace with support legs fixedly connected to the four corners of its bottom. A blower and an igniter are fixedly installed at the top and bottom of one side of the combustion furnace, respectively. Four sets of support columns are fixedly connected to the top of the combustion furnace in a rectangular shape. A feeding box is fixedly connected between the tops of the support columns. A feeding port is opened on one side of the top of the feeding box. A crushing mechanism is fixedly installed inside the feeding box. A guide pipe is fixedly connected to the bottom of the feeding box, and the end of the guide pipe is connected to the top of the combustion furnace. An exhaust fan is fixedly installed on the other side of the top of the combustion furnace. A filter box is fixedly connected to the output end of the exhaust fan, and a filter mechanism is fixedly installed inside the filter box. With the above structure, the biomass fuel is crushed and burned more quickly, thereby accelerating the combustion efficiency of the biomass fuel.
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Description

Technical Field

[0001] The utility model belongs to the field of biomass stoves, and particularly relates to an energy-saving and low-consumption biomass environmentally friendly hot air stove. Background Art

[0002] Biomass fuel hot air furnace is a kind of equipment that uses biomass fuel to burn and generate high-temperature hot air. Through the fan, the furnace temperature and air volume can be controlled, so that the fuel can be fully gasified and burned in the furnace. It has the characteristics of environmental protection and renewable, and has been widely used in industrial production and life.

[0003] The Chinese patent with the publication number "CN211781990U" discloses an energy-saving and environmentally friendly biomass hot air furnace, including a hot air furnace body, a cold air mechanism, a first blowing mechanism, a second blowing mechanism and a multi-channel connecting valve, the hot air furnace body is connected with a multi-channel connecting valve, the two sides of the multi-channel connecting valve are symmetrically connected with the first blowing mechanism and the second blowing mechanism, and the first blowing mechanism and the second blowing mechanism are provided with a cold air mechanism. Compared with the prior art, the first blowing mechanism and the second blowing mechanism are located on both sides of the multi-channel connecting valve, and the multi-channel connecting valve can be used to control the hot air to pass through the first blowing mechanism or the second blowing mechanism, so that the first blowing mechanism and the second blowing mechanism alternately convey hot air, and the unused blowing mechanism can be maintained, so that the service life of the blowing mechanism is increased.

[0004] When the above-mentioned biomass hot air furnace is in use, the biomass fuel is directly burned in a conventional manner. This method does not pre-treat the biomass fuel, and the biomass fuel is prone to incomplete combustion, which in turn affects the combustion efficiency. At the same time, the biomass fuel is prone to produce smoke when it burns. The above-mentioned biomass hot air furnace does not effectively purify the exhaust hot air, which affects its use. Therefore, it is necessary to make technical improvements to it. Utility Model Content

[0005] In view of the problems mentioned in the background technology, the purpose of the utility model is to provide an energy-saving and low-consumption biomass environmentally friendly hot air furnace to solve the problems raised by the above background technology.

[0006] The above technical objectives of the utility model are achieved through the following technical solutions:

[0007] An energy-saving and low-consumption biomass environmentally friendly hot air furnace comprises a combustion furnace, four corners of the bottom of the combustion furnace are fixedly connected with supporting legs, a blower and an igniter are respectively fixedly installed at the upper and lower ends of one side of the combustion furnace, one side of the top of the combustion furnace is rectangular and fixedly connected with four groups of support columns, a feeding box is fixedly connected between the tops of the support columns, a feeding port is opened on one side of the top of the feeding box, a crushing mechanism is fixedly installed inside the feeding box, a material guide pipe is fixedly connected to the bottom of the feeding box, the end of the material guide pipe is connected to the top of the combustion furnace, an exhaust fan is fixedly installed on the other side of the top of the combustion furnace, the output end of the exhaust fan is fixedly connected with a filter box, and the filter box is fixedly installed inside The filter mechanism and the other side of the filter box are fixedly connected with an exhaust pipe; the biomass fuel is put into the feeding box, the crushing mechanism crushes the biomass fuel to make it into fragments to speed up the combustion efficiency, the crushed biomass fuel is introduced into the combustion furnace through the guide pipe, the igniter ignites the fuel inside the combustion furnace, and the blower blows air into the combustion furnace during the combustion process to speed up the combustion efficiency. The biomass fuel generates heat when it burns, and the exhaust fan extracts the hot air inside the combustion furnace, compresses it to form hot air and blows it out, and the hot air is blown into the filter box, the filter mechanism filters and purifies the harmful smoke mixed in the hot air, and then it is discharged through the exhaust pipe for use.

[0008] As a preferred technical solution, the crushing mechanism includes a servo motor, a rotating roller, and a crushing blade. The servo motor is fixedly installed at the top middle end of the feeding box, and the output end of the servo motor passes through the top of the feeding box and is fixedly connected to the rotating roller. The outer surface of the rotating roller is fixedly connected to multiple groups of crushing blades; the biomass fuel inside the feeding box is crushed by the crushing mechanism to improve the combustion efficiency.

[0009] As a preferred technical solution, the filtering mechanism includes a first mounting frame, a second mounting frame, a filter cotton core, and an activated carbon filter element. The first mounting frame and the second mounting frame are fixedly connected to the two sides of the interior of the filter box, respectively. The interior of the first mounting frame is fixedly connected to the filter cotton core, and the interior of the second mounting frame is fixedly connected to the activated carbon filter element. The exhausted hot air is filtered and purified by the filtering mechanism to remove harmful impurities in the hot air.

[0010] As an optimal technical solution, the bottoms of the legs are fixedly connected to ground support seats, and the bottoms of the ground support seats are bonded with anti-slip pads; the ground support seats improve the stability of the legs when supporting the ground.

[0011] As a preferred technical solution, a solenoid valve is fixedly installed at the middle end of the guide pipe, and a temperature sensor is fixedly installed on the top of the combustion furnace; the opening and closing of the guide pipe is controlled by the solenoid valve, and the temperature sensor monitors the temperature inside the combustion furnace.

[0012] As a preferred technical solution, a closing cover is clamped inside the feeding port, and a handle is fixedly connected to the top of the closing cover; the feeding port is closed by the closing cover when feeding is not required.

[0013] As an optimal technical solution, a cleaning door is fixedly installed on the front of the combustion furnace by bolts, and an observation window is fixedly installed on the front of the cleaning door, and the observation window is made of high-temperature resistant glass; the opening on the front of the combustion furnace is closed by the cleaning door, and cleaning can be carried out when the cleaning door is removed.

[0014] In summary, the utility model mainly has the following beneficial effects:

[0015] First, the staff puts the biomass fuel into the feeding box through the feeding port, and the servo motor works to drive the rotating roller to rotate, thereby driving the crushing blade to rotate, so as to crush the biomass fuel. The crushed biomass fuel is introduced into the combustion furnace through the guide pipe, and the igniter works to ignite the crushed biomass fuel inside the combustion furnace. Since the biomass fuel has been crushed, it will burn faster. The blower works to blow air into the combustion furnace during the combustion process to inject fresh air, thereby achieving the purpose of accelerating the combustion efficiency of the biomass fuel;

[0016] Second, biomass fuel will generate heat when it burns. The exhaust fan will work to extract the hot air inside the combustion furnace, compress it to form hot air and blow it out. The hot air is blown into the filter box and will first be filtered by the filter cotton core in the first installation frame to remove most of the impurities and particulate matter in the hot air. The hot air after the initial filtration will be purified by the activated carbon filter element in the second installation frame. The activated carbon filter element can absorb odors and bacteria in the hot air, thereby thoroughly purifying the hot air. The purified hot air is discharged through the exhaust pipe, thereby achieving the purpose of environmentally friendly purification of the hot air. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 2 It is a bottom upward schematic diagram of the utility model;

[0019] Figure 3 It is a schematic diagram of the internal cross section of the feeding box of the utility model;

[0020] Figure 4 It is a schematic diagram of the internal cross section of the filter box of the utility model.

[0021] Figure numerals: 1, combustion furnace, 2, support legs, 3, blower, 4, igniter, 5, support column, 6, feeding box, 7, feeding port, 8, crushing mechanism, 801, servo motor, 802, rotating roller, 803, crushing blade, 9, material guide pipe, 10, exhaust fan, 11, filter box, 12, filter mechanism, 1201, first installation frame, 1202, second installation frame, 1203, filter cotton core, 1204, activated carbon filter element, 13, exhaust duct, 14, support seat, 15, anti-slip gasket, 16, solenoid valve, 17, temperature sensor, 18, closing cover, 19, handle, 20, bolt, 21, cleaning door, 22, observation window. DETAILED DESCRIPTION

[0022] Example

[0023] refer to Figures 1 to 4 The energy-saving and low-consumption biomass environmentally friendly hot air furnace described in this embodiment includes a combustion furnace 1, and the four corners of the bottom of the combustion furnace 1 are fixedly connected with supporting legs 2. A blower 3 and an igniter 4 are fixedly installed at the upper and lower ends of one side of the combustion furnace 1 respectively. One side of the top of the combustion furnace 1 is rectangular and fixedly connected with four groups of support columns 5. A feeding box 6 is fixedly connected between the tops of the support columns 5. A feeding port 7 is opened on one side of the top of the feeding box 6. A crushing mechanism 8 is fixedly installed inside the feeding box 6. A material guide pipe 9 is fixedly connected to the bottom of the feeding box 6. The end of the material guide pipe 9 is connected to the top of the combustion furnace 1. An exhaust fan 10 is fixedly installed on the other side of the top of the combustion furnace 1, and a filter box 11 is fixedly connected to the output end of the exhaust fan 10. A filter mechanism 12 is fixedly installed inside the filter box 11, and an exhaust pipe 13 is fixedly connected to the other side of the filter box 11.

[0024] In order to achieve the purpose of enabling the device to efficiently burn biomass fuel and purify the generated hot air, the legs 2 support the combustion furnace 1 and its top components, the staff puts the biomass fuel into the feeding box 6 through the feeding port 7, the crushing mechanism 8 crushes the biomass fuel to make it into fragments to speed up its combustion efficiency, the crushed biomass fuel is introduced into the combustion furnace 1 through the guide pipe 9, the igniter 4 works to ignite the crushed biomass fuel inside the combustion furnace 1, the blower 3 works to blow the inside of the combustion furnace 1 during the combustion process to inject air and speed up the combustion efficiency, the biomass fuel will generate heat when it burns, the exhaust fan 10 works to extract the hot air inside the combustion furnace 1, and blows out the hot air by compressing it, and the hot air is blown into the filter box 11, the filter mechanism 12 inside the filter box 11 can filter and purify harmful smoke mixed in the hot air, and the purified hot air is discharged through the exhaust pipe 13 for subsequent use.

[0025] refer to Figure 1 and Figure 3The crushing mechanism 8 includes a servo motor 801, a rotating roller 802, and a crushing blade 803. The servo motor 801 is fixedly installed at the top middle end of the feeding box 6. The output end of the servo motor 801 passes through the top of the feeding box 6 and is fixedly connected to the rotating roller 802. The outer surface of the rotating roller 802 is fixedly connected to multiple groups of crushing blades 803. The servo motor 801 is set, and the servo motor 801 drives the rotating roller 802 to rotate when it works, thereby driving the crushing blade 803 to rotate, so as to crush the biomass fuel, and crush it into small pieces and then discharge it, so that the biomass fuel can be burned quickly, so as to improve the combustion efficiency.

[0026] refer to Figure 1 and Figure 4 The filtering mechanism 12 includes a first mounting frame 1201, a second mounting frame 1202, a filter cotton core 1203, and an activated carbon filter element 1204. The first mounting frame 1201 and the second mounting frame 1202 are fixedly connected to the two sides of the interior of the filter box 11, respectively. The interior of the first mounting frame 1201 is fixedly connected with the filter cotton core 1203, and the interior of the second mounting frame 1202 is fixedly connected with the activated carbon filter element 1204. The first mounting frame 1201 and the second mounting frame 1202 are set. After the hot air is introduced into the filter box 11, it will first be filtered by the filter cotton core 1203 in the first mounting frame 1201 to remove most of the impurities and particulate matter in the hot air. The hot air after the initial filtration will be purified by the activated carbon filter element 1204 in the second mounting frame 1202. The activated carbon filter element 1204 can absorb odors and bacteria in the hot air, thereby thoroughly purifying the hot air.

[0027] refer to Figure 1-2 The bottom of the supporting legs 2 are fixedly connected with a ground support seat 14, and the bottom of the supporting seat 14 is bonded with an anti-skid pad 15; the supporting seat 14 is provided, and the supporting seat 14 is used to increase the contact area between the supporting legs 2 and the ground, so as to improve the stability of the device when placed on the ground, and the anti-skid pad 15 is used to increase the friction, so as to improve the anti-skid effect when the device is placed.

[0028] refer to Figure 1-2 A solenoid valve 16 is fixedly installed at the middle end of the guide pipe 9, and a temperature sensor 17 is fixedly installed at the top of the combustion furnace 1; the solenoid valve 16 is provided to control the opening and closing of the guide pipe 9 so as to control when the crushed biomass fuel is discharged, and the sensing end of the temperature sensor 17 is located inside the combustion furnace 1 so as to monitor the internal temperature of the combustion furnace 1, so that the staff can grasp the temperature inside the combustion furnace 1 in real time.

[0029] refer to Figure 1-2A closing cover 18 is clamped inside the feeding port 7, and a handle 19 is fixedly connected to the top of the closing cover 18; the closing cover 18 is provided, and the closing cover 18 is used to close the feeding port 7 when the biomass fuel does not need to be added, and the handle 19 is used to provide a force point for the staff, so that the staff can easily take out the closing cover 18.

[0030] refer to Figure 1-2 A cleaning door 21 is fixedly installed on the front of the combustion furnace 1 by bolts 20, and an observation window 22 is fixedly installed on the front of the cleaning door 21, and the observation window 22 is made of high-temperature resistant glass; the cleaning door 21 is provided, and the cleaning door 21 is installed on the front of the combustion furnace 1 by bolts 20. The interior of the combustion furnace 1 can be leaked out by removing the bolts 20, so that the staff can clean the ashes inside the combustion furnace 1. The observation window 22 is used to facilitate the staff to observe the combustion situation inside the combustion furnace 1 in real time. The observation window 22 is made of high-temperature resistant glass, which ensures its safety.

[0031] Principle and advantages of use: When using the device, the legs 2 support the combustion furnace 1 and its top components, the support seat 14 is used to increase the contact area between the legs 2 and the ground, so as to improve the stability of the device when placed on the ground, and the anti-skid pad 15 is used to increase the friction, so as to improve the anti-skid effect of the device when placed. The staff puts the biomass fuel into the feeding box 6 through the feeding port 7, and the servo motor 801 works to drive the rotating roller 802 to rotate, thereby driving the crushing blade 803 to rotate, so as to crush the biomass fuel, and the crushed biomass fuel is introduced into the feed box through the guide pipe 9. In the combustion furnace 1, the opening and closing of the guide pipe 9 is controlled by the solenoid valve 16 to control when the crushed biomass fuel is discharged. The igniter 4 works to ignite the crushed biomass fuel inside the combustion furnace 1. Since the biomass fuel has been crushed, it will burn faster. The blower 3 works to blow air into the combustion furnace 1 during the combustion process to inject fresh air, thereby accelerating the combustion efficiency of the biomass fuel. The sensing end of the temperature sensor 17 is located inside the combustion furnace 1 to monitor the internal temperature of the combustion furnace 1, so that the staff can grasp the temperature inside the combustion furnace 1 in real time.

[0032] When biomass fuel burns, heat is generated. The exhaust fan 10 works to extract the hot air inside the combustion furnace 1, compress it to form hot air and blow it out. The hot air is blown into the filter box 11 and will first be filtered by the filter cotton core 1203 in the first installation frame 1201 to remove most of the impurities and particulate matter in the hot air. The hot air after the initial filtration will be purified by the activated carbon filter element 1204 in the second installation frame 1202. The activated carbon filter element 1204 can absorb odors and bacteria in the hot air, thereby thoroughly purifying the hot air. The purified hot air is discharged through the exhaust pipe 13 for subsequent use. The cleaning door 21 is installed on the front of the combustion furnace 1 by bolts 20. The bolts 20 can be removed to leak out the interior of the combustion furnace 1, so that the staff can clean the ashes inside the combustion furnace 1. The observation window 22 is used to facilitate the staff to observe the combustion situation inside the combustion furnace 1 in real time. The observation window 22 is made of high-temperature resistant glass to ensure its safety.

Claims

1. An energy-saving and low-consumption biomass environmentally friendly hot air furnace, comprising a combustion furnace (1), characterized in that: The four corners of the bottom of the combustion furnace (1) are fixedly connected with supporting legs (2); a blower (3) and an igniter (4) are fixedly installed at the upper and lower ends of one side of the combustion furnace (1); one side of the top of the combustion furnace (1) is rectangular and fixedly connected with four groups of support columns (5); a feeding box (6) is fixedly connected between the tops of the support columns (5); a feeding port (7) is provided on one side of the top of the feeding box (6); a crushing mechanism (8) is fixedly installed inside the feeding box (6); a material guide pipe (9) is fixedly connected to the bottom of the feeding box (6); the end of the material guide pipe (9) is connected to the top of the combustion furnace (1); an exhaust fan (10) is fixedly installed on the other side of the top of the combustion furnace (1); the output end of the exhaust fan (10) is fixedly connected with a filter box (11); a filter mechanism (12) is fixedly installed inside the filter box (11); and an exhaust pipe (13) is fixedly connected to the other side of the filter box (11).

2. The energy-saving and low-consumption biomass environmentally friendly hot air stove according to claim 1 is characterized by: The pulverizing mechanism (8) comprises a servo motor (801), a rotating roller (802), and a pulverizing blade (803); the servo motor (801) is fixedly mounted at the middle of the top of the feeding box (6); the output end of the servo motor (801) passes through the top of the feeding box (6) and is fixedly connected to the rotating roller (802); and the outer surface of the rotating roller (802) is fixedly connected to multiple groups of pulverizing blades (803).

3. The energy-saving and low-consumption biomass environmentally friendly hot air stove according to claim 1 is characterized by: The filtering mechanism (12) comprises a first mounting frame (1201), a second mounting frame (1202), a filter cotton core (1203), and an activated carbon filter element (1204); the first mounting frame (1201) and the second mounting frame (1202) are respectively fixedly connected to the inside of the filtering box (11); the inside of the first mounting frame (1201) is fixedly connected to the filter cotton core (1203); and the inside of the second mounting frame (1202) is fixedly connected to the activated carbon filter element (1204).

4. The energy-saving and low-consumption biomass environmentally friendly hot air stove according to claim 1 is characterized by: The bottoms of the supporting legs (2) are fixedly connected to a ground support seat (14), and the bottoms of the ground support seats (14) are bonded with an anti-slip pad (15).

5. The energy-saving and low-consumption biomass environmentally friendly hot air stove according to claim 1 is characterized by: A solenoid valve (16) is fixedly installed at the middle end of the material guide pipe (9), and a temperature sensor (17) is fixedly installed at the top of the combustion furnace (1).

6. The energy-saving and low-consumption biomass environmentally friendly hot air stove according to claim 1 is characterized by: A closing cover (18) is clamped inside the feeding port (7), and a handle (19) is fixedly connected to the top of the closing cover (18).

7. The energy-saving and low-consumption biomass environmentally friendly hot air stove according to claim 1 is characterized by: A ash cleaning door (21) is fixedly mounted on the front of the combustion furnace (1) by means of bolts (20), and an observation window (22) is fixedly mounted on the front of the ash cleaning door (21), wherein the observation window (22) is made of high temperature resistant glass.

Citation Information

Patent Citations

  • Energy-saving and environment-friendly biomass hot blast stove

    CN211781990U