Vertical particle combustion device

Abstract

The utility model relates to a vertical particle combustion device applied to the technical field of combustion equipment, which realizes that a servo motor and a water-cooling flange are started through a controller, so that particles in a particle bin enter a feeding screw and are conveyed into a particle combustion chamber, and the feeding quantity can be controlled through the water-cooling flange, so that the particles are conveyed into the particle combustion chamber. At the moment, the heating element is started through the second controller for heating to burn the particles, and meanwhile the temperature can be adjusted. Meanwhile, air is pressurized by a compressor and then quantitatively enters a particle combustion chamber together with particles through a preheating system, combusted ash falls into an ash collecting device along the particle combustion chamber at the bottom, an air pump is started to extract gas and ash generated in a reaction tube, and dust precipitates are collected in the ash collecting device; gas is connected to a gas analyzer through an outlet of the sucking pump, and when combustion is stopped, the ash collecting device can be opened to take out internal ash for cleaning.

Description

TECHNICAL FIELD

[0001] The vertical particle combustion device relates to the technical field of combustion equipment. BACKGROUND

[0002] With the rapid development of modern agricultural technology and scale of Gobi agriculture, sightseeing agriculture, leisure agriculture and the like, the greenhouse and seedling raising shed in the northern region are rapidly rising, but the weather in the northern region is cold in winter, and the growth or survival of plants is a problem. In order to increase the temperature and protect the seedlings, coal has been basically relied on in the past, but due to the requirement of environmental protection, coal is basically prohibited, and a gas pipeline is difficult to be laid in a farmland. The biomass particle is clean and environmentally friendly, and the content of sulfur and chlorine is less than 0.07%, the content of nitrogen is less than 0.5%, and only a small amount of sulfur dioxide and phosphorus pentoxide is generated during combustion, and the combustion equipment and the ventilation pipeline are not corroded, so it is effective to select the biomass particle as the greenhouse heating fuel.

[0003] The specification of Chinese patent CN208764951U discloses a vertical biomass particle combustion furnace, which comprises a base and a furnace body fixedly connected to the upper surface of the base, the furnace body comprises a hearth and a sleeve, and a circulating air layer is arranged between the sleeve and the hearth; the top of the sleeve is connected with an air draught fan A through a hot air pipe, a plurality of air holes are formed in the bottom of the sleeve; the bottom of the hearth is provided with a fixed table and an air supply pipe, the top end is fixedly connected with a flue, the front side is provided with an ignition hole and an ash channel, and the rear side is provided with a feeding port, the fixed table is provided with a furnace grate, one end of the air supply pipe is connected with the outside, and the other end extends into the furnace grate from the outside to the inside and penetrates the sleeve, the circulating air layer and the hearth in sequence; the end of the flue is connected with an air draught fan B. The air draught fan B is arranged at the end of the flue, and the air supply pipe in communication with the outside air is arranged below the furnace grate, so that the technical problem of smoke escaping from the joints of the hearth and the flue is effectively solved under the premise of effectively ensuring the fuel combustion efficiency, and the environmental conditions in the sunlight greenhouse are improved.

[0004] The ash removal and maintenance of the existing combustion device are relatively complicated, frequent shutdown is required for cleaning, and the continuous operation time and service life of the equipment are affected. UTILITARIAN CONTENT

[0005] In view of the above prior art, the technical problem to be solved by the present application is that the ash removal and maintenance of the existing combustion device are relatively complicated, frequent shutdown is required for cleaning, and the continuous operation time and service life of the equipment are affected.

[0006] To address the aforementioned problems, this utility model provides a vertical pellet combustion device, comprising a device body, an air inlet heating furnace fixedly connected to the top of the device body, a feeding screw fixedly connected to the top of the air inlet heating furnace, a pellet hopper fixedly connected above the feeding screw, the pellet hopper being fixedly connected to the top of the air inlet heating furnace via support legs, a discharge port at the bottom of the pellet hopper being connected to the feeding screw, a heating furnace fixedly connected to the side of the device body, a pellet combustion chamber provided inside the heating furnace, a heating element installed on the inner wall of the pellet combustion chamber, a bracket fixedly connected to the inner wall of the pellet combustion chamber, reaction tubes extending outside the heating furnace being fixedly connected to both the upper and lower ends of the pellet combustion chamber, and the reaction tube at the top being connected to the feeding screw via a water-cooled flange, an ash collection device detachably connected to the end of the reaction tube at the bottom away from the pellet combustion chamber, an air pump connected to the side of the ash collection device via an air pipe, a pipe installed on the side of the device body, one end of the pipe being connected to the pellet combustion chamber and the other end being connected to an air compressor.

[0007] In the above-mentioned particle combustion device, the ash from particle combustion is drawn into the pump by an air pump for sedimentation and collection, and at the same time, the gas can be extracted for detection, thus avoiding the problem of frequent ash cleaning during combustion.

[0008] As a further improvement of this application, the ash collection device has an outlet at the end away from the reaction tube, and the gas pipe is threadedly connected to the outlet.

[0009] As a further improvement of this application, a storage bin is fixedly connected to the top of the ash collection device, and an ash collection box with a lid is placed inside the ash collection device, with the lid placed inside the storage bin.

[0010] As a further improvement of this application, a second controller and a first controller for controlling the air inlet heating furnace and the heating furnace are respectively fixedly connected to the air inlet heating furnace and the device body.

[0011] As another improvement of this application, a support plate is fixedly connected to the side of the air inlet heating furnace, and a servo motor is fixedly connected to the support plate, with the output end of the servo motor connected to the feed screw.

[0012] As a further improvement to this application, an observation window is provided on the back of the ash collection device, and a gas analyzer is connected to the outlet of the air pump.

[0013] In summary, by the controller to open the servo motor and water cooling flange, so that the granular material bin in the particles into the feed screw to the particle combustion chamber, and by the water cooling flange can control the amount of feed, the particles into the particle combustion chamber, at this time by the second controller to open the heating element heating particles for combustion, and at the same time can be adjusted, while the air through the compressor after pressurization by the preheating system and particles together into the particle combustion chamber, ash after combustion along the bottom of the particle combustion chamber to the ash collection device, and at the same time open the air pump to the gas and ash generated in the reaction tube extraction, dust precipitation in the ash collection device to collect, gas through the air pump outlet connected to the gas analyzer, when stop burning, can open the ash collection device to take out the internal ash cleaning. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is the axial view of the combustion device of the first embodiment of the present application;

[0015] Figure 2 is the side view of the combustion device of the first embodiment of the present application;

[0016] Figure 3 is the front view of the ash collection device of the second embodiment of the present application; Figure 2 is the enlarged view of A in the second embodiment of the present application;

[0017] Figure 4 is the schematic diagram of the installation structure of the granular material bin and the feed screw of the first embodiment of the present application;

[0018] Figure 5 is the schematic diagram of the internal structure of the heating furnace of the first embodiment of the present application;

[0019] Figure 6 is the front view of the ash collection device of the second embodiment of the present application;

[0020] Figure 7 is the back view of the ash collection device of the second embodiment of the present application.

[0021] Explanation of reference numerals in the drawings:

[0022] 1, device body; 2, granular material bin; 3, air inlet heat tracing furnace; 4, feed screw; 5, water cooling flange; 6, particle combustion chamber; 7, pipeline; 8, first controller; 9, second controller; 10, ash collection device; 11, air pump; 12, heating element; 13, support; 14, heating chamber; 15, air pipe; 16, servo motor; 17, heating furnace; 18, reaction tube; 19, air outlet; 20, ash collecting box; 21, storage bin; 22, box cover; 23, observation window. DETAILED DESCRIPTION

[0023] Two embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0024] The first embodiment is as follows:

[0025] Figures 1-5 A vertical particle combustion device is shown, which comprises a device body 1, the top end of which is fixedly connected with an air inlet heat tracing furnace 3, the top end of which is fixedly connected with a feeding screw 4, the upper end of which is fixedly connected with a particle bin 2, the bottom end of which is fixedly connected with the top end of the air inlet heat tracing furnace 3 through support legs, the bottom end of the particle bin 2 is provided with a discharge port, and the discharge port is in communication with the feeding screw 4, the side end of the device body 1 is fixedly connected with a heating furnace 17, the heating furnace 17 is provided with a particle combustion chamber 6, the inner wall of the particle combustion chamber 6 is provided with a heating chamber 14, the heating chamber 14 is provided with a heating element 12, the inner wall of the particle combustion chamber 6 is fixedly connected with a support 13, the upper and lower ends of the particle combustion chamber 6 are fixedly connected with reaction tubes 18 extending out of the heating furnace 17, and the reaction tube 18 at the top end is connected with the feeding screw 4 through a water-cooled flange 5, the reaction tube 18 at the bottom end is detachably connected with an ash collection device 10 at the end away from the particle combustion chamber 6, the side end of the ash collection device 10 is connected with an air pump 11 through an air pipe 15, and the device body 1 is provided with a pipeline 7 in communication with the particle combustion chamber 6 at one end and connected with an air compressor at the other end.

[0026] The air inlet heat tracing furnace 3 and the device body 1 are respectively fixedly connected with a second controller 9 and a first controller 8 for controlling the air inlet heat tracing furnace 3 and the heating furnace 17, the side end of the air inlet heat tracing furnace 3 is fixedly connected with a supporting plate, the supporting plate is fixedly connected with a servo motor 16, and the output end of the servo motor 16 is connected with the feeding screw 4, and the outlet of the air pump 11 is connected with a gas analyzer.

[0027] Working principle: the servo motor 16 and the water-cooled flange 5 are started by the controller, so that the particles in the particle bin 2 enter the feeding screw 4 and are conveyed to the particle combustion chamber 6, and the amount of feeding can be controlled by the water-cooled flange 5, and the particles are fed into the particle combustion chamber 6. At this time, the heating element 12 is started by the second controller 9 to heat and burn the particles, and the temperature can be adjusted at the same time. At the same time, the air is pressurized by the compressor, quantitatively passes through the preheating system and enters the particle combustion chamber 6 together with the particles, and the ash after combustion falls into the ash collection device 10 along the bottom of the particle combustion chamber 6, and the air pump 11 is started at the same time to extract the gas and ash in the reaction tube 18, the dust is collected in the ash collection device 10, the gas is connected to the gas analyzer through the outlet of the air pump 11, and when the combustion is stopped, the internal ash can be taken out and cleaned by opening the ash collection device 10;

[0028] The ash of the particle combustion is sucked into the suction pump 11 for sedimentation collection, and the gas is extracted for detection, thereby avoiding frequent cleaning of the ash in the combustion.

[0029] The second embodiment is as follows:

[0030] Figures 6-7 The ash collection device 10 is provided with an air outlet 19 at one end away from the reaction tube 18, and the air pipe 15 is threadedly connected with the air outlet 19. The ash collection device 10 is fixedly connected with a storage bin 21 at the top end. The ash collection device 10 is provided with an ash collection box 20 with a box cover 22, and the box cover 22 is placed in the storage bin 21. The ash collection device 10 is provided with an observation window 23 at the back.

[0031] Working principle: before the particle combustion, the ash collection device 10 is opened, the box cover 22 on the ash collection box 20 is taken off and placed in the storage bin 21 for storage, and then the ash collection box 20 is placed in the ash collection device 10. At this time, the ash collection device 10 is closed to make the inside in an unsealed state, and then the air pipe 15 is threadedly connected with the ash collection device 10. At this time, when the particle is combusted again, the generated ash will fall in the ash collection box 20 for sedimentation. At this time, the amount of ash collection in the ash collection box 20 can be observed through the observation window 23 at regular time. When the collection is full, the ash collection box 20 can be taken out, and the box cover 22 is covered on the ash collection box 20 for sealing.

[0032] By placing the ash collection box 20 in the ash collection device 10, the ash can be collected in a sealed environment, and the ash collection degree can be monitored through the observation window 23, so that the cleaning and replacement can be carried out in time.

[0033] The above embodiments of the present application are not limited to the actual needs, and various changes made by the technical personnel within the scope of knowledge do not deviate from the concept of the present application, and still fall within the protection scope of the present application.

Claims

1. Vertical particle combustion device comprising a device body (1), characterized in that: The device body (1) top fixed connection has the air inlet heat furnace (3), the air inlet heat furnace (3) top fixed connection has the feeding screw rod (4), the feeding screw rod (4) above fixed connection has the granular material bin (2), the granular material bin (2) is fixedly connected with the air inlet heat furnace (3) top through the support leg, the granular material bin (2) bottom is provided with the discharge gate, and the discharge gate is communicated with the feeding screw rod (4), the device body (1) side end fixed connection has the heating furnace (17), the heating furnace (17) is equipped with the granular combustion chamber (6), the granular combustion chamber (6) inner wall is installed with the heating chamber (14), the heating chamber (14) is installed with the heating element (12), the granular combustion chamber (6) inner wall is fixedly connected with the support (13), the granular combustion chamber (6) upper and lower ends are fixedly connected with the reaction tube (18) extending to the heating furnace (17) outside, and the reaction tube (18) at the top is connected with the feeding screw rod (4) through the water cooling flange (5), the reaction tube (18) at the bottom is detachably connected with the ash collection device (10) away from the granular combustion chamber (6) one end, the ash collection device (10) side end is connected with the air suction pump (11) through the air pipe (15), the device body (1) side end is installed with the pipeline (7), and one end of the pipeline (7) is communicated with the granular combustion chamber (6), and one end is connected with the air compressor.

2. The vertical particle combustion device of claim 1, wherein: The ash collection device (10) away from the reaction tube (18) one end is provided with the air outlet hole (19), and the air pipe (15) is screwed with the air outlet hole (19).

3. The vertical pellet burning apparatus according to claim 1, characterized by: The ash collection device (10) top fixed connection has the storage bin (21), the ash collection device (10) is placed with the ash collecting box (20) with the box cover (22), and the box cover (22) is placed in the storage bin (21).

4. The vertical pellet burning apparatus according to claim 1, characterized by: The air inlet heat furnace (3) and the device body (1) are respectively fixedly connected with the second controller (9) and the first controller (8) for controlling the air inlet heat furnace (3) and the heating furnace (17).

5. The vertical pellet combustion apparatus according to claim 1, characterized by: The air inlet heat furnace (3) side end is fixedly connected with the supporting plate, the supporting plate is fixedly connected with the servo motor (16), and the output end of the servo motor (16) is connected with the feeding screw rod (4).

6. The vertical pellet combustion apparatus according to claim 1, characterized by: The ash collection device (10) back is provided with an observation window (23), and the outlet of the air suction pump (11) is connected with a gas analyzer.

Images