CN215831895U

CN215831895U - Multi-purpose combustor of biomass boiler

Info

Publication number: CN215831895U
Application number: CN202122481850.6U
Authority: CN
Inventors: 李宗华; 李鲁信
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2022-02-15
Anticipated expiration: 2031-10-15

Abstract

The utility model provides a multi-purpose combustor of biomass boiler, includes the casing, the casing be sandwich structure, be connected with inlet tube, outlet pipe on the intermediate layer, install the fire grate in the casing, seted up deashing mouth and gate mouth on the casing, the gate mouth has the furnace gate on, the combustor disposes the air-blower, the air-blower has the wind path that is connected to in the casing, the casing on be provided with two fuel access way, one is pellet fuel access way in two fuel access ways, another is the shaping fuel access way, disposes screw conveyer on the pellet fuel access way, during the use, one of them access way seals. The burner is beneficial to the standardization of boiler manufacture.

Description

Multi-purpose combustor of biomass boiler

Technical Field

The utility model relates to a biomass boiler, in particular to a biomass boiler burner, and belongs to the technical field of biomass boilers.

Background

The biomass boiler is a boiler utilizing renewable biomass energy, which is encouraged by the state to develop, a burner is arranged on the biomass boiler, fuel in the biomass boiler is combusted in the burner, high-temperature flue gas formed after combustion flows in the boiler to realize heat exchange, the burner arranged in the current biomass boiler is generally cylindrical, a grate is arranged in the burner, an ash outlet is arranged on a combustion shell below the grate, a furnace door opening is welded on the shell above the grate, a furnace door opening is arranged on the furnace door opening, the furnace door opening also has the functions of air inlet and fuel addition, the burner is provided with an air blower, the air blower blows air into the burner, the shell of the burner is an interlayer, water for heat exchange is introduced into the interlayer, the interlayer is connected with water inlet and water outlet (the steam outlet is formed when the steam boiler is used), most of the current burner is pressed granular fuel, and part of the biomass boiler takes blocky wood blocks as fuel (called as forming fuel here), adopt in the combustor is sent into through the feed screw of pellet fuel, the feed screw is installed on the upper portion of casing, and the hopper is connected on bolt feeder upper portion, and in the opening on wood block direct input combustor upper portion through the conveyer belt that adopts the shaping fuel, present combustor has following problem: firstly, the existing burner can only use granular fuel or formed fuel correspondingly, the granular fuel or the formed fuel cannot be compatible with each other, so that the problems of two aspects are caused, the granular fuel or the formed fuel needs to be customized according to the difference of fuel types in the boiler manufacturing link, and the production cost is high; and secondly, the fuel can not be switched during use, so that a cheap and easily available fuel can not be selected to reduce the cost, particularly, under the condition that the price of coal rises excessively, the price of the biomass fuel also rises quickly, and the fuel cost has great influence on the operation cost of the biomass boiler. And the existing screw conveyor adopting the molded granular fuel is arranged at the upper part of the shell of the burner, and because the temperature during combustion is higher, the screw conveyor is easy to deform, unsmooth and damaged when working at high temperature for a long time.

Disclosure of Invention

The utility model aims to overcome the problems of the existing biomass boiler burner and provides a biomass boiler multipurpose burner.

In order to realize the purpose of the utility model, the following technical scheme is adopted: the utility model provides a multi-purpose combustor of biomass boiler, includes the casing, the casing be sandwich structure, be connected with inlet tube, outlet pipe on the intermediate layer, install the fire grate in the casing, seted up deashing mouth and gate mouth on the casing, the gate mouth has the furnace gate on, the combustor disposes the air-blower, the air-blower has the wind path that is connected to in the casing, the casing on be provided with two fuel access way, one is pellet fuel access way in two fuel access ways, another is the shaping fuel access way, disposes screw conveyer on the pellet fuel access way, during the use, one of them access way seals.

Further, the method comprises the following steps of; the molded fuel inlet channel opening is positioned above the burner, a discharging pipe communicated with the inside is connected to the shell of the burner, the outlet of the screw conveyor is connected with the discharging pipe, and the granular fuel inlet channel is sealed through the inlet of the sealed screw conveyor.

Further, the method comprises the following steps of; an automatic exhaust valve is arranged at the upper end of the interlayer of the shell.

Further, the method comprises the following steps of; the furnace gate be assembled furnace gate, can dismantle on the furnace gate mouth and be connected with fixed cover frame, a plurality of concentric fixed axle sleeves of fixedly connected with on fixed cover frame, wherein terminal fixed axle sheathes in the hole and be the blind hole, can dismantle on the furnace gate and be connected with movable cover frame, a plurality of concentric movable sleeves of fixedly connected with on the movable cover frame, the axle passes the movable sleeve from the fixed cover of head end and wears to terminal movable sleeve, the axle at movable sleeve rear portion is provided with the nut, the position processing that has the nut on the axle has the screw thread, the nut connects soon epaxially and pushes up and establish the end at the movable sleeve.

Further, the method comprises the following steps of; the furnace door is provided with an air port, an adjustable air plate is arranged on the air port in a matched mode, an arc-shaped seam is formed in the adjustable air plate, a bolt penetrates through the arc-shaped seam, the bolt is arranged on the furnace door through a threaded connector, a handle is hinged to the adjustable air plate, and a handle clamping groove is fixedly connected to the furnace body.

Further, the method comprises the following steps of; a ball is placed in a blind hole of a fixed sleeve at the tail end, a shaft is in contact with the ball, the head end of the shaft is a polygonal cylinder, a linkage sheet is detachably and fixedly connected to a furnace door, a polygonal hole matched with the polygonal cylinder is formed in the linkage sheet, and the polygonal cylinder is located in the polygonal hole.

The utility model has the positive and beneficial effects that: have two kinds of fuel admission passageways on this combustor, can compatible two kinds of fuel, can switch corresponding fuel according to the cost when using, can reduce the use cost of boiler, and need not consider the type of fuel at the manufacturing ring festival, be favorable to the boiler to make the standardization, screw feeder installs on the side upper portion of casing, can reduce its operational environment temperature, reduce the fault incidence, increase on the combustor intermediate layer from discharge valve when being regarded as hot water boiler, can prevent that intermediate layer upper portion from piling up the gas of higher pressure, guarantee the security of boiler. The furnace door is assembled by hardware, welding is not needed, standardized production can be carried out, the requirement on the installation skill of workers is low, the furnace door can be adjusted and replaced in the using process, the matching precision is high, the ball and the shaft are combined into point contact, the resistance is small during rotation, the rotation resistance can be adjusted through the nut, the furnace door can observe fire, and the furnace door can be opened to have the effects of filling, deslagging, air volume adjusting and the like.

Drawings

Fig. 1 is an overall schematic view of the present invention.

Fig. 2 is a schematic plan view of the present invention.

Figure 3 is a schematic view of a fabricated oven door.

Figure 4 is a schematic view of the shaft and ball fit of the oven door.

Detailed Description

In order to more fully explain the implementation of the present invention, examples of the implementation of the present invention are provided. These examples are merely illustrative of the present invention and do not limit the scope of the present invention.

The utility model is explained in further detail in connection with the accompanying drawings, in which: 1: a housing; 2: a furnace door opening; 3: a furnace door; 4: cleaning the ash hole; 5: a blower; 6: a screw conveyor; 7: an inlet of a screw conveyor; 8: shaping fuel to enter the channel mouth; 9: a water inlet pipe; 10, a water outlet pipe; 11: automatically exhausting air; 12: a grate. 13: a discharging pipe; 301: a tuyere opening; 302: blind holes; 303: fixing the sleeve frame; 304: a fixed sleeve at the head end; 305: a fixed sleeve at the tail end; 306: a movable sleeve A; 307: a movable sleeve B; 308: a nut; 309: a movable sleeve frame; 310: a ball; 311: a bolt; 312: an adjustable wind plate; 313: an arc-shaped seam; 314: a handle; 315: a handle slot; 316: a shaft; 317: a linkage piece; 318: a polygonal cylinder.

As shown in the accompanying drawings; the utility model provides a multi-purpose combustor of biomass boiler, includes casing 1, the casing be sandwich structure, be connected with inlet tube 9, outlet pipe 10 on the intermediate layer, install fire grate 12 in the casing, deashing mouth 4 and fire door mouth 2 have been seted up on the casing, furnace gate 3 has on the fire door mouth, fuel falls to the fire grate top during the burning, the burning on the fire grate, the ash whereabouts that forms after the burning is cleared out through the deashing mouth, the combustor disposes air-blower 5, the air-blower has the wind path that is connected to in the casing, the wind path generally causes under the fire grate, be favorable to the abundant burning of fuel.

The machine shell is provided with two fuel inlet channels, one of the two fuel inlet channels is a particle fuel inlet channel, the other fuel inlet channel is a molded fuel inlet channel, the particle fuel inlet channel is provided with a screw conveyor 6, and when the machine shell is used, one of the inlet channels is closed.

In this embodiment, the molded fuel inlet channel port 8 is located above the burner, a discharging pipe 13 communicated with the inside is connected to a casing of the burner, an outlet of the screw conveyor 6 is connected with the discharging pipe, and the particle fuel inlet channel is sealed through an inlet 7 of the sealed screw conveyor.

More optimally, the upper end of the interlayer of the shell is provided with the automatic exhaust valve, and the automatic exhaust valve can automatically exhaust when gas in the interlayer is accumulated to reach a certain pressure.

The assembled furnace door comprises a furnace door 2, a fixed sleeve frame 303 is detachably connected on the furnace door, a plurality of concentric fixed shaft sleeves are fixedly connected to the fixed sleeve frame, in this embodiment, there are two fixed shaft sleeves, which are respectively a fixed sleeve 304 at the head end and a fixed sleeve 305 at the tail end, a movable sleeve frame 309 is detachably connected on the furnace door, a plurality of concentric movable sleeves are fixedly connected on the movable sleeve frame, in the embodiment, two movable sleeves are respectively a movable sleeve A306 and a movable sleeve B307, a shaft 316 penetrates through the movable sleeve from a fixed sleeve 4 at the head end to a movable sleeve 5 at the tail end, a fixed sleeve upper hole at the tail end is a blind hole 302, a ball 310 is placed in a blind hole of the fixed sleeve at the tail end, a shaft is in contact with the ball, a nut 308 is arranged on the shaft at the rear part of the movable sleeve A, a part of the shaft with the nut is processed with threads, and the nut is screwed on the shaft and props against the tail end of the movable sleeve. The head end of the shaft 316 is a polygonal column 318, a linkage piece 317 is detachably and fixedly connected to the oven door, a polygonal hole matched with the polygonal column is formed in the linkage piece, and the polygonal column is located in the polygonal hole.

An air port 301 is formed in the furnace door, an adjustable air plate 312 is arranged on the air port in a matched mode, an arc-shaped seam 313 is formed in the adjustable air plate, a bolt 311 penetrates through the arc-shaped seam, the bolt is connected to the furnace door through threads, a handle 314 is hinged to the adjustable air plate, and a handle clamping groove 315 is fixedly connected to the furnace door. The tuyere can be used as a fire observation port.

In the present invention, any one of the fuel inlet passages can be sealed by a cover plate.

The burner can be used on a biomass steam boiler and a biomass hot water boiler in a matching way.

After the embodiments of the present invention have been described in detail, it will be apparent to those skilled in the art that various changes and modifications can be made without departing from the spirit and scope of the utility model, and it is intended that all simple modifications, equivalent changes and modifications made to the above embodiments based on the technical spirit of the present invention shall fall within the technical scope of the present invention, and the present invention shall not be limited to the embodiments illustrated in the description.

Claims

1. The utility model provides a multi-purpose combustor of biomass boiler, includes the casing, the casing be sandwich structure, be connected with inlet tube, outlet pipe on the intermediate layer, install the fire grate in the casing, seted up deashing mouth and gate mouth on the casing, the gate mouth has the furnace gate on, the combustor disposes the air-blower, the air-blower has the wind path that is connected to in the casing, its characterized in that: the shell is provided with two fuel inlet channels, one of the two fuel inlet channels is a particle fuel inlet channel, the other fuel inlet channel is a molded fuel inlet channel, the particle fuel inlet channel is provided with a screw conveyor, and when the fuel injection machine is used, one of the inlet channels is closed.

2. The multi-purpose combustor of biomass boiler of claim 1, characterized in that: the molded fuel inlet channel opening is positioned above the burner, a discharging pipe communicated with the inside is connected to the shell of the burner, the outlet of the screw conveyor is connected with the discharging pipe, and the granular fuel inlet channel is sealed through the inlet of the sealed screw conveyor.

3. The multi-purpose combustor of biomass boiler of claim 1, characterized in that: an automatic exhaust valve is arranged at the upper end of the interlayer of the shell.

4. The multi-purpose combustor of biomass boiler of claim 1, characterized in that: the furnace gate be assembled furnace gate, can dismantle on the furnace gate mouth and be connected with fixed cover frame, a plurality of concentric fixed axle sleeves of fixedly connected with on fixed cover frame, wherein terminal fixed axle sheathes in the hole and be the blind hole, can dismantle on the furnace gate and be connected with movable cover frame, a plurality of concentric movable sleeves of fixedly connected with on the movable cover frame, the axle passes the movable sleeve from the fixed cover of head end and wears to terminal movable sleeve, the axle at movable sleeve rear portion is provided with the nut, the position processing that has the nut on the axle has the screw thread, the nut connects soon epaxially and pushes up and establish the end at the movable sleeve.

5. The multi-purpose combustor of biomass boiler as claimed in claim 4, characterized in that: the furnace door is provided with an air port, an adjustable air plate is arranged on the air port in a matched mode, an arc-shaped seam is formed in the adjustable air plate, a bolt penetrates through the arc-shaped seam, the bolt is arranged on the furnace door through a threaded connector, a handle is hinged to the adjustable air plate, and a handle clamping groove is fixedly connected to the furnace body.

6. The multi-purpose combustor of biomass boiler as claimed in claim 4, characterized in that: a ball is placed in a blind hole of a fixed sleeve at the tail end, a shaft is in contact with the ball, the head end of the shaft is a polygonal cylinder, a linkage sheet is detachably and fixedly connected to a furnace door, a polygonal hole matched with the polygonal cylinder is formed in the linkage sheet, and the polygonal cylinder is located in the polygonal hole.