CN208253632U - A kind of environmental protection heat source machine - Google Patents

Abstract

The utility model discloses an environment-friendly heat source machine, which comprises a frame, a hopper, a screw feeding mechanism, an air supply pipe, an ignition mechanism, a combustion chamber, a main controller and a secondary controller. The feed port of the feeding mechanism is connected, and the discharge port of the screw feeding mechanism is connected with the combustion chamber. The combustion chamber includes an outer barrel and an inner barrel set inside the outer barrel. There is a certain gap, several through holes are evenly opened on the side wall of the inner barrel and the end face close to one end of the screw feeding mechanism is a closed surface, and the air supply pipe is connected with a blower and installed on the frame aligned with the gap. In the utility model, the combustion chamber is arranged as a two-layer structure, and uniform small holes are opened on the inner layer, and the wind enters the combustion chamber through the gap and small holes before the two layers, so that the combustibles can be combusted forward in the combustion chamber. , improve the combustion rate, has the advantages of simple structure, design contract, high combustion rate, long service life and so on.

Description

An environmentally friendly heat source machine

technical field

The utility model belongs to the technical field of environment-friendly heat supply, in particular to an environment-friendly heat source machine.

Background technique

Biomass pellets, as a new type of pellet fuel, have won wide recognition for their unique advantages. Compared with traditional fuels, it not only has economic advantages but also has environmental benefits, which fully meets the requirements of sustainable development. First of all, because the shape is granule, the volume is compressed, which saves storage space, is also convenient for transportation, and reduces transportation costs. Secondly, the combustion efficiency is high, it is easy to burn out, and the amount of residual carbon is small. Compared with coal, it has high volatile content and low ignition point, and is easy to ignite; the density is increased, the energy density is high, and the combustion duration is greatly increased, so it can be directly applied to coal-fired boilers. In addition, when biomass pellets are burned, the content of harmful gas components is extremely low, and the emission of harmful gases is small, which has environmental protection benefits. And the ash after burning can also be directly used as potash fertilizer, which saves expenses.

The biomass burner in the prior art includes a controller, a motor, a screw feeding mechanism, an igniter, a combustion chamber, an air supply pipe and a blower, wherein the shaft of the motor and the screw feeding mechanism are directly connected through a coupling, which is prone to mechanical wear , requiring frequent maintenance. In addition, there is only one controller for the whole machine, which controls the motor and the blower at the same time. When the equipment is turned off, the combustion chamber is prone to backfire, which will damage the igniter and the screw feeding mechanism in the equipment to a certain extent, and reduce the life of the equipment.

Contents of the invention

The purpose of the utility model is to provide an environment-friendly heat source machine with high combustion rate and long service life.

The utility model is achieved through the following technical solutions:

An environmentally friendly heat source machine, including a frame, a hopper, a screw feeding mechanism, an air supply pipe, an ignition mechanism, a combustion chamber, a main controller and a secondary controller, the hopper is installed on the top of the frame and the outlet is connected to the screw feeding mechanism The feed port is connected, and the discharge port of the screw feeding mechanism is connected with the combustion chamber. The combustion chamber includes an outer barrel and an inner barrel sleeved in the outer barrel. There is a certain gap between the inner barrels, several through holes are evenly opened on the side wall of the inner barrel and the end surface close to the end of the screw feeding mechanism is a closed surface, the air supply pipe is connected with a blower and aligned with the installation of the gap On the frame, the air supply pipe is provided with a branch pipe and a side pipe, the branch pipe is connected to the ignition mechanism, the side pipe is connected to the side wall of the screw feeding mechanism, the ignition mechanism is connected to the inner barrel, and the screw feeding mechanism is connected to a motor through a chain. The motor is connected to the sub-controller, and the sub-controller, the blower and the ignition mechanism are all connected to the main control module, wherein the discharge ports of the ignition mechanism and the screw feeding mechanism are all connected to the sealing surface of the inner barrel and do not exceed closed face.

Further, the ignition mechanism includes an ignition chamber and an ignition rod installed in the ignition chamber, the ignition rod is close to the inner barrel, and the ignition chamber is connected to the branch pipe through a hose.

Further, a casing is provided on the outside of the frame, and the main controller and the secondary controller are installed on the casing.

Further, a vibrator is provided at the bottom of the hopper.

The utility model has the following beneficial effects:

(1) The screw feeding mechanism is connected to the motor through a chain, which reduces the mechanical wear caused by the rigid structure, reduces the number of maintenance, and improves the transmission ratio;

(2) The combustion chamber is set in a two-layer structure, and uniform small holes are opened on the inner layer, and the wind enters the combustion chamber through the gap and small holes before the two layers, so that the combustibles can be burned forward in the combustion chamber. , to increase the combustion rate;

(3) By setting up two controllers, the overall control and the separate control of the feeding motor are carried out. When stopping the operation of the equipment, the motor must be stopped first, and then the blower must be stopped, so as to avoid the burning of unburned combustibles in the combustion chamber. cause backfire;

(4) By providing the ignition chamber and the screw conveying mechanism with wind in the direction of combustion, it avoids the damage to the ignition rod and the screw conveying mechanism when tempering occurs in the combustion chamber, and improves the service life of the equipment;

(5) The structure is simple, the design contract, the combustion rate is high, and the service life is long.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a schematic diagram of the internal structure of the utility model.

Fig. 3 is a schematic structural view of the combustion chamber of the present invention.

Fig. 4 is a schematic structural view of the inner bucket of the present invention.

Marks in the figure: 1. frame; 2. hopper; 3. combustion chamber; 4. screw feeding mechanism; 5. motor; 6. air supply pipe; 7. blower; 8. ignition mechanism; 9. housing; 10. Main controller; 11, secondary controller; 31, outer barrel; 32, inner barrel; 321, feeding hole; 322, ignition hole.

Detailed ways

As shown in Figures 1 to 4, the environmentally friendly heat source machine provided in this embodiment includes a frame 1, a hopper 2, a combustion chamber 3, a screw conveying mechanism 4, a motor 5, an air supply pipe 6, an ignition mechanism 8, a housing 9, The main controller 10 and the sub-controller 11, the hopper 2 is an upper cuboid and a lower cone structure and a vibrator is provided on the inner cavity of the vertebral body to facilitate blanking. The hopper 2 is installed on the top and bottom of the frame 1 The outlet of the screw conveying mechanism 4 is connected to the feeding port of the screw conveying mechanism 4 installed on the frame 1, and the screw conveying mechanism 4 is connected with the motor 5 through a chain, which can reduce mechanical wear and improve the transmission ratio; the discharge port of the screw conveying mechanism 4 is connected with the combustion The chamber 3 is connected, and the combustion chamber 3 includes an outer barrel 31 and an inner barrel 32 sleeved in the outer barrel 31. There is a certain gap between the outer barrel 31 and the inner barrel 32 and is far away from the outer barrel 31 and the outer barrel 31 at one end of the screw feeding mechanism 4. The bottom surface of the inner barrel 32 is sealed and connected. There are several evenly distributed small holes on the side of the inner barrel 32 and the end face of the inner barrel 32 close to one end of the screw feeding mechanism 4 is a closed surface. In order to realize the closed surface, the inner barrel 32 can be processed once. The bottom surface or by setting a baffle plate matched with the end surface, a feed hole 321 and an ignition hole 322 are arranged on the closed surface, and the discharge port of the screw conveying mechanism 4 is installed at the feed hole 321 and the discharge port exceeds the feed port. The thickness of the hole 321 is at most that the end face of the discharge port is flush with the inner end face of the feed hole 321, so as to prevent the fire in the combustion chamber 3 from damaging the screw conveying mechanism 4; 8 comprises an ignition chamber and an ignition rod installed in the ignition chamber and positioned at one side of the combustion chamber 3, one end of the ignition chamber is installed at the ignition hole 322 and does not exceed the end face of the ignition hole 322, so as to avoid fire in the combustion chamber 3 The fire damages the ignition mechanism 8; the ignition hole 322 is preferentially located below the feed hole 321, so that the combustion material transmitted by the screw conveying mechanism 4 can be ignited by the ignition rod when it falls from the discharge port, and rapid ignition can be realized; Air pipe 6 is connected with blower 7 and is aligned with the gap between outer barrel 31 and inner barrel 32 and installed on the frame 1. The wind generated by blower 7 enters the gap between outer barrel 31 and inner barrel 32 through air supply pipe 6, and then Enter the combustion chamber 3 through the upper small hole of the inner barrel 32, the wind that enters the combustion chamber 3 through the small hole can be used to burn the combustion material spirally forward, improve the combustion material of the combustion material, and make the fire generated by the combustion enter the device with other functions forward, Such as heating or heating equipment; the air supply pipe 6 is provided with branch pipes and side pipes, and the branch pipes are connected to the ignition chamber so that the ignition of the ignition rod makes the fire forward, and the fire cannot return to the ignition when the combustion chamber 3 is burning The ignition mechanism 8 is damaged in the mechanism 8, and the side pipe is connected with the side wall of the screw feeding mechanism 4. When the combustion chamber 3 is burning, the fire cannot enter the screw feeding mechanism 4 and damage the screw feeding mechanism 4, which improves the service life of the equipment.

The outer side of described frame 1 is equipped with casing 9, makes the overall structure of equipment more attractive in appearance, is provided with main controller 10 and sub-controller 11 on described casing 9, and sub-controller 11 is connected with motor 5, uses In order to control whether the motor 5 works independently, the main controller 10 is connected with the sub-controller 11, the blower 7 and the ignition rod, and is used to uniformly control whether the motor 5, the blower 7 and the ignition rod work. The equipment makes the motor 5, the blower 7 and the ignition rod work. When the equipment is closed, the motor 5 is controlled to be closed by the secondary controller 11. At this time, the blower 7 is still working, so that the burning material in the combustion chamber 3 can continue to move forward. Avoid flashbacks that can cause equipment damage.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto, and any transformation and replacement based on the technical solutions and utility model concepts provided by the utility model should be covered by this utility model. within the scope of protection of utility models.

Claims (4)

1. An environment-friendly heat source machine, characterized in that: comprising a frame, a hopper, a screw feed mechanism, an air supply pipe, an ignition mechanism, a combustion chamber, a main controller and a secondary controller, the hopper is installed on the top of the frame and The outlet is connected to the inlet of the screw feeding mechanism, and the outlet of the screw feeding mechanism is connected to the combustion chamber. The combustion chamber includes an outer barrel and an inner barrel set in the outer barrel, and the outer barrel at the end far away from the screw feeding mechanism and the bottom surface of the inner barrel Sealed connection and a certain gap is left between the outer barrel and the inner barrel, several through holes are uniformly opened on the side wall of the inner barrel and the end face close to the end of the screw feeding mechanism is a closed surface, and the air supply pipe is connected with a blower And align the gap and install it on the frame, the air supply pipe is provided with a branch pipe and a side pipe, the branch pipe is connected with the ignition mechanism, the side pipe is connected with the side wall of the screw feeding mechanism, the ignition mechanism is connected with the inner barrel, and the screw feeding mechanism A motor is connected through a chain, and the motor is connected with the sub-controller, and the sub-controller, the blower and the ignition mechanism are all connected with the main control module, wherein the discharge ports of the ignition mechanism and the screw feeding mechanism are all connected with the inner bucket. Closed surface and not beyond the closed surface. 2. The environmentally friendly heat source machine according to claim 1, wherein the ignition mechanism includes an ignition chamber and an ignition rod installed in the ignition chamber, the ignition rod is close to the inner bucket, and the ignition chamber is connected to the branch pipe through a hose. 3. The environment-friendly heat source machine according to claim 1, characterized in that: a casing is provided outside the frame, and the main controller and the secondary controller are both mounted on the casing. 4. The environmentally friendly heat source machine according to claim 1, characterized in that: a vibrator is provided at the bottom of the hopper.