CN204404246U - A kind of gasification furnace of side-fed - Google Patents

Abstract

A side-feed gasifier, a sealed furnace cover is arranged above the outer furnace platform, the feed port is set on the side wall of the furnace body, the feed port is located above the furnace grate and communicates with the combustion chamber, and the feed port is set There is a hopper, which is surrounded by a top plate, a bottom plate, three side plates and the side wall of the furnace body. The top plate is set horizontally and is fixedly connected with the outer furnace platform. There is an inlet on the top plate. The side wall of the furnace body is fixedly connected, the upper end of the bottom plate is arranged upwardly, the top of the side plate is fixedly connected with the top plate, the bottom of the side plate is fixedly connected with the bottom plate, and the inlet on the top plate is located directly above the top of the bottom plate. The fuel slides down gradually along the slope of the bottom plate from the side. The fuel does not directly contact the flame, but automatically slides into the combustion chamber. The fuel and the flame are fully mixed before burning, which can reduce the formation of black smoke, high efficiency, clean, energy saving and environmental protection .

Description

A side-feed gasifier

technical field

The utility model belongs to the technical field of heating equipment, and relates to a side-feeding gasifier.

Background technique

The gasification furnace has heat insulation, high safety, and beautiful appearance, so it is an ideal choice for urban-rural fringe areas and vast rural areas that do not have central heating and gas heating conditions. However, most of the current gasifiers are fueled directly into the combustion chamber from the feed port on the top of the furnace body. The fuel sinks while burning, and black smoke is formed when the combustion is insufficient. The black smoke will rise and pass through the smoke exhaust channel. It is directly discharged from the chimney, which is not conducive to environmental protection and air pollution prevention and control. Moreover, a part of the heat will be discharged from the feed inlet at the top of the furnace body after rising, resulting in a waste of energy.

Contents of the invention

In order to overcome the defects of the prior art, the utility model designs a side-feeding gasifier, the fuel gradually slides down from the side along the slope of the bottom plate, the fuel does not directly contact with the flame, but automatically slides into the combustion chamber, The fuel is fully mixed with the flame before burning, which can reduce the formation of black smoke, high efficiency, clean, energy saving and environmental protection.

The specific technical scheme adopted by the utility model is: a gasification furnace with side feeding, including a furnace body, a water jacket is arranged on the side wall of the furnace body, a combustion chamber is arranged in the furnace body, and a row is arranged at the rear of the furnace body. Smoke channel, the upper end of the furnace body is provided with an inner furnace platform, an outer furnace platform is arranged above the inner furnace platform, an inner furnace mouth connected with the combustion chamber is opened on the inner furnace platform, and an outer furnace mouth connected with the inner furnace mouth is opened on the outer furnace platform. There is an ashes receiving box under the furnace body, a furnace grate is arranged between the furnace body and the ash receiving box, and a feeding port is also provided on the furnace body. Opened on the side wall of the furnace body, the feed port is located above the furnace grate and communicates with the combustion chamber. There is a hopper at the feed port, and the hopper is surrounded by a top plate, a bottom plate, three side plates and the side wall of the furnace body. The top plate is set horizontally and fixedly connected with the outer furnace platform, the top plate is provided with an inlet, the lower end of the bottom plate is fixedly connected with the side wall of the furnace body below the feed inlet, the upper end of the bottom plate is inclined upward, and the top of the side plate is fixedly connected with the top plate , the bottom of the side plate is fixedly connected with the bottom plate, and the inlet on the top plate is located directly above the top of the bottom plate.

The included angle between the base plate and the vertical surface is 45°, and the length of the base plate is 280mm.

The vertical distance between the top plate and the upper surface of the bottom plate is 170mm.

The cavity between the inner hearth and the combustion chamber is an oxygen inlet chamber, and an oxygen inlet device is added. The oxygen inlet device includes an oxygen inlet channel and a first oxygen inlet pipe. The oxygen inlet channel is located in the oxygen inlet chamber, and the bottom of the oxygen inlet channel The inlet at the end is connected with the outlet of the combustion chamber, and the outlet at the top of the oxygen inlet channel is connected with the inner furnace mouth. There are multiple oxygen inlets on the side wall of the oxygen inlet channel, and multiple air inlets on the side wall at the bottom of the furnace body. , the first oxygen inlet pipe is vertically arranged and located in the combustion chamber, the bottom end of the first oxygen inlet pipe is located at the bottom of the furnace body and communicates with the air inlet, and the top of the first oxygen inlet pipe communicates with the oxygen inlet chamber.

Add a second oxygen inlet pipe, the second oxygen inlet pipe is adjacent to the first oxygen inlet pipe, the bottom end of the second oxygen inlet pipe is located at the bottom of the furnace body and communicates with the air inlet, and the top of the second oxygen inlet pipe faces the combustion chamber. room exit.

The side wall of the oxygen inlet channel is arranged in an arc shape.

The aperture size of the oxygen inlet is 60mm.

The first oxygen inlet pipe is a square tube, which is arranged at the corner of the combustion chamber, surrounded by two partitions and the corner of the combustion chamber, and the side length of the partition is 400mm.

The second oxygen inlet tube is a circular tube, and the inner diameter of the second oxygen inlet tube is 200mm.

The beneficial effect of the utility model is that: the top of the furnace body is sealed, and the feeding from the top of the furnace body is replaced by side feeding. After the fuel enters the hopper from the inlet, it falls under the action of gravity and collides with the bottom plate, which can make a part Large pieces of fuel are crushed into small pieces of fuel to make the fuel burn more fully. The fuel slides down the slope of the bottom plate and enters the combustion chamber through the feed port. The fuel is fully mixed with the flame before burning, which can reduce black smoke The formation, efficient, clean, energy saving and environmental protection.

Description of drawings

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

In the drawings, 1 represents the smoke exhaust channel, 2 represents the inner furnace platform, 3 represents the outer furnace platform, 4 represents the oxygen inlet chamber, 5 represents the oxygen inlet channel, 6 represents the first oxygen inlet pipe, 7 represents the oxygen inlet, and 8 represents the air intake Mouth, 9 represents the second oxygen inlet pipe, 10 represents the ash box, 11 represents the furnace grate, 12 represents the top plate, 13 represents the bottom plate, 14 represents the side plate, 15 represents the feed port, and 16 represents the inlet.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is further described:

As shown in Figure 1, a side-feed gasifier includes a furnace body, a water jacket is arranged on the side wall of the furnace body, a combustion chamber is arranged in the furnace body, and a smoke exhaust channel 1 is arranged at the rear of the furnace body. The upper end of the body is provided with an inner hearth 2, and an outer hearth 3 is arranged above the inner hearth 2. The inner hearth 2 is provided with an inner furnace mouth connected with the combustion chamber, and the outer hearth is provided with an outer furnace mouth connected with the inner furnace mouth. The ash box 10 is arranged below the body, a furnace grate 11 is arranged between the furnace body and the ash box 10, a feed port 15 is also arranged on the furnace body, and a sealed furnace cover is arranged on the top of the outer furnace platform 3, which is no longer controlled by the furnace. The feed inlet on the top of the furnace directly feeds fuel into the combustion chamber to prevent a part of the heat from rising and being discharged from the top of the furnace body to save energy. The feed inlet 15 is set on the side wall of the furnace body, and the feed inlet 15 is located above the grate 11 And communicate with the combustion chamber, a hopper is provided at the feed inlet 15, and the hopper is surrounded by a top plate 12, a bottom plate 13, three side plates 14 and the side wall of the furnace body, the top plate 12 is horizontally set and fixed with the outer furnace platform 3 connection, the top plate 12 is provided with an inlet 16, the lower end of the bottom plate 13 is fixedly connected with the side wall of the furnace body below the feed port 15, the upper end of the bottom plate 13 is inclined upward, the top of the side plate 14 is fixedly connected with the top plate 12, and the side plate 14 The bottom of the bottom is fixedly connected with the base plate 13, and the inlet 16 on the top plate 12 is located directly above the upper end of the base plate 13. The included angle between the base plate 13 and the vertical plane is 45°. If the included angle is too large, the fuel’s sliding speed will be too slow to supply the demand for fuel in the combustion chamber. Accumulation, insufficient combustion. The length of base plate 13 is 280mm, and the vertical distance between top plate 12 and the upper end surface of base plate 13 is 170mm, provides sufficient impact force for fuel to make fuel collide with base plate 13, and bulk fuel becomes small block fuel, makes fuel fully combustion.

As a further improvement to the utility model, the cavity between the inner hearth 2 and the combustion chamber is an oxygen inlet chamber 4, and an oxygen inlet device is added. The oxygen inlet device includes an oxygen inlet channel 5, a first oxygen inlet pipe 6, and an oxygen inlet channel 5. Located in the oxygen inlet chamber 4, the inlet at the bottom of the oxygen inlet channel 5 communicates with the outlet of the combustion chamber, and the outlet at the top of the oxygen inlet channel 5 communicates with the inner furnace mouth. Offer a plurality of oxygen inlets 7 on the side wall of 5, the aperture size of oxygen inlet 7 is 60mm, offer a plurality of air inlets 8 on the side wall of body of heater bottom, the first oxygen inlet pipe 6 is vertically arranged and Located in the combustion chamber, the bottom end of the first oxygen inlet pipe 6 is located at the bottom of the furnace body and communicates with the air inlet. The oxygen inlet channel 5 can distribute air at 360°, so that the mixing ratio of gas and flame is good. During the combustion process in the combustion chamber During the process of upward flow, the produced carbon dioxide, carbon monoxide and other gases and fuel powder are combusted in the oxygen inlet channel 5 to achieve the purpose of full combustion, and finally gasified to form hot gas which passes through the smoke exhaust channel 1 and is discharged from the chimney. Low-carbon environmental protection, energy saving and emission reduction, but also improves the heat conversion rate of fuel, saving energy. The top of the first oxygen inlet pipe 6 communicates with the oxygen inlet chamber 4, the first oxygen inlet pipe 6 is a square tube, arranged at the corner of the combustion chamber, surrounded by two partitions and the corner of the combustion chamber, the limit of the partition The length is 400mm, and the structure of the first oxygen inlet pipe 6 can save material and cost.

Set up the second oxygen inlet pipe 9, the second oxygen inlet pipe 9 is adjacent to the first oxygen inlet pipe 6, and the bottom end of the second oxygen inlet pipe 9 is positioned at the bottom of the furnace body and is communicated with the air inlet 8. The top of pipe 9 is towards the exit of combustion chamber, and the second oxygen inlet pipe 9 is a round pipe, and the inner diameter of the second oxygen inlet pipe 9 is 200mm, and the oxygen supply in the combustion chamber can be increased by utilizing the second oxygen inlet pipe 9, so that the fuel can The combustion is more complete, which can save energy.

Claims (9)

1. the gasification furnace of a side-fed, comprise body of heater, the sidewall of body of heater is provided with water jacket, combustion chamber is provided with in body of heater, body of heater rear portion is provided with discharge flue (1), the upper end of body of heater is provided with interior table (2), interior table (2) top is provided with outer table (3), interior table (2) offers and fire door in combustion chamber, outer table offers the outer fire door be communicated with interior fire door, ash accepting box (10) is provided with below body of heater, fire grate (11) is provided with between body of heater and ash accepting box (10), body of heater is also provided with charging aperture (15), it is characterized in that: described outer table (3) top is provided with sealing bell, charging aperture (15) is opened on the sidewall of body of heater, charging aperture (15) be positioned at fire grate (11) top and and combustion chamber, charging aperture (15) place is provided with hopper, hopper is by a top board (12), a base plate (13), the sidewall of three side plates (14) and body of heater is around forming, top board (12) is horizontally disposed with and is fixedly connected with outer table (3), top board (12) offers import (16), the lower end of base plate (13) is fixedly connected with the sidewall of the furnace body of charging aperture (15) below, the upper end of base plate (13) is inclined upwardly setting, the top of side plate (14) is fixedly connected with top board (12), the bottom of side plate (14) is fixedly connected with base plate (13), import (16) on top board (12) is positioned at directly over base plate (13) upper end.

2. the gasification furnace of a kind of side-fed according to claim 1, is characterized in that: the angle between described base plate (13) and vertical plane is 45 °, and the length of base plate (13) is 280mm.

3. the gasification furnace of a kind of side-fed according to claim 1, is characterized in that: the vertical distance between described top board (12) and base plate (13) upper surface is 170mm.

4. the gasification furnace of a kind of side-fed according to claim 1, it is characterized in that: the cavity between described interior table (2) and combustion chamber is for entering oxygen chamber (4), set up into oxygen device, entering oxygen device comprises into oxygen passage (5), first oxygen feeding tube (6), entering oxygen passage (5) is positioned at into oxygen chamber (4), enter the import of oxygen passage (5) bottom and the outlet of combustion chamber, the outlet of entering oxygen passage (5) top is communicated with interior fire door, the sidewall entering oxygen passage (5) offers multiple oxygen feeder (7), the sidewall of bottom of furnace body offers multiple air inlet (8), first oxygen feeding tube (6) vertically arranges and is positioned at combustion chamber, the bottom of the first oxygen feeding tube (6) is positioned at bottom of furnace body and is communicated with air inlet, the top of the first oxygen feeding tube (6) with enter oxygen chamber (4) and be communicated with.

5. the gasification furnace of a kind of side-fed according to claim 4, it is characterized in that: set up the second oxygen feeding tube (9), second oxygen feeding tube (9) is disposed adjacent with the first oxygen feeding tube (6), the bottom of the second oxygen feeding tube (9) is positioned at bottom of furnace body and is communicated with air inlet (8), and the top of the second oxygen feeding tube (9) is towards the exit of combustion chamber.

6. the gasification furnace of a kind of side-fed according to claim 4, is characterized in that: described curved of the sidewall setting of entering oxygen passage (5).

7. the gasification furnace of a kind of side-fed according to claim 4, is characterized in that: the pore size of described oxygen feeder (7) is 60mm.

8. the gasification furnace of a kind of side-fed according to claim 4, is characterized in that: described the first oxygen feeding tube (6) is square tube, is arranged on the corner of combustion chamber, is surrounded by the turning of two pieces of dividing plates and combustion chamber, and the length of side of dividing plate is 400mm.

9. the gasification furnace of a kind of side-fed according to claim 5, is characterized in that: described the second oxygen feeding tube (9) is pipe, and the internal diameter of the second oxygen feeding tube (9) is 200mm.