CN2348263Y

CN2348263Y - Ring briquet-fired shaft stove

Info

Publication number: CN2348263Y
Application number: CN 98244858
Authority: CN
Inventors: 梁占明
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-10-19
Filing date: 1998-10-19
Publication date: 1999-11-10
Anticipated expiration: 2008-10-19

Abstract

The utility model relates to an improved ring coal-fired pellet shaft furnace, which is characterized in that the cross section of a sintering chamber is formed by connecting trapezoids in the loop way, and the wall surface of the sintering chamber is a straight wall, a sawtooth-shaped wall or a wave-shaped wall, however, a combustion chamber is formed by connecting a trapezoidal moving combustion chamber and a trapezoidal fixed combustion chamber which are mutually separated in the ring way; the moving combustion chamber is provided with a moveable building processing hole; the fixed combustion chamber is provided with a flame conducting tube leading into the sintering chamber; a ring sintering chamber is provided with a heat exchange system composed of a cold air inlet, a hot air inlet, a hot-air pipe, and a hot air outlet. The improved ring coal-fired pellet shaft stove has the advantages that the thermal energy can be fully utilized to enhance the sintering temperature and production, the pellet discharge temperature is low, the manufacture and the maintenance are easy, etc.

Description

The coal-fired palletizing shaft furnace of a kind of annular

The utility model relates to sintering furnace, particularly is the coal-fired palletizing shaft furnace of a kind of annular.

Shapes such as that existing palletizing shaft furnace had was square, circle, its fuel used coke, coal gas, oil and firewood, in recent years occurred that fuel source is convenient, the annular palletizing shaft furnace of the combustion raw coal of small investment, but combustion raw coal annular palletizing shaft furnace exists that heat supply intensity is low, the flame pressure head is little, penetration power is not enough, go out bulb temperature is higher than 900 ℃, and heat loss is big; Remove knurl, maintenance inconvenience; The circular configuration manufacturing is installed inconvenient; The original coal ash part powder enters and can cause shortcoming such as bonding or the increase of smoke evacuation dustiness between ball between the ball layer, haves much room for improvement.

The purpose of this utility model is exactly that a kind of annular coal-fired palletizing shaft furnace that can improve sintering temperature, increase output, reduce cost, have energy-saving effect will be provided.

For this reason and the design annular coal-fired palletizing shaft furnace, form by ring-shaped sintered chamber, toroidal combustion chamber, smokejack, charge door and discharging opening, the section of ring-shaped sintered chamber is that trapezoidal articulating forms, agglomerating chamber's metope is a stalk, or zigzag wall or waveform wall; Toroidal combustion chamber is formed by the ladder activities combustion chamber and the trapezoidal fixed combustion chamber articulating of space, and movable combustion chamber burner one side has living of sealing at ordinary times to build the processing hole, and fixed combustion chamber burner one side has the flame conducting tube to feed ring-shaped sintered chamber; Heat exchange zone bottom, ring-shaped sintered chamber exterior wall has the cold wind import, on the flue wall on heat exchange zone top the hot blast import is arranged, and flue has down logical hot blast import, the last warm-air pipe of logical hot-blast outlet within the walls, and hot-blast outlet communicates with the agglomerating chamber dryer section.

The coal-fired palletizing shaft furnace of the utility model annular is fuel with the moulded coal, can use hot swapping and flame transporting technology effectively and make full use of heat energy, improve sintering temperature and output, the energy recovery waste heat is saved the energy, make the vollyball temperature reduce to 200 ℃, and can handle dross immediately.The easy processing and manufacturing of this stove, cost are low.

Embodiment describes the utility model below in conjunction with accompanying drawing.

Fig. 1 is the utility model embodiment annular energy-saving coal palletizing shaft furnace schematic diagram.

Fig. 2 is the A-A view of Fig. 1.

As shown in Figure 1 and Figure 2, the coal-fired palletizing shaft furnace of the utility model annular is made up of toroidal combustion chamber 12, ring-shaped sintered chamber 13, flue 9, charge door 16 and discharging opening 1.The section of ring-shaped sintered chamber 13 is that trapezoidal articulating forms.The metope 21 of ring-shaped sintered chamber 13 is stalk or zigzag wall or waveform wall, has increased the peripheral length of wall like this, has increased the heat storage capacity of fire-resistant body of wall, helps disperseing, absorb near the thermal-flame the burner 10, can reduce the dross accident.Toroidal combustion chamber 12 is formed by the ladder activities combustion chamber 20 and trapezoidal fixed combustion chamber 17 articulatings of space.Like this, trapezoidal cross-section makes the burning indoor and outdoor wall be straight flange, and making steel constructions such as stove skin steel plate, collar tie beam add man-hour need not be crooked, and directly contacts firm stable with stalk.More can directly use boiler series fire door and general fire door, increase the standard brick consumption, reduce and lead shape brick consumption.Ladder activities combustion chamber 20 burners, 10 1 sides have living of sealing at ordinary times to build processing hole 19, push aside in case of necessity and lay bricks, and can handle dross, avoid whole prepurgings.Trapezoidal fixed combustion chamber 17 interior walls have the flame conducting tube 18 of straight-through ring-shaped sintered chamber 13, can with raising flame breakthrough power, thereby improve sintering output with the thermal-flame in the combustion chamber to agglomerating chamber's endosphere layer depth place transporting.There is water to give hot device 2 on the 13 bottom walls of ring-shaped sintered chamber, cold wind import 4 is arranged on the exterior wall 3.On the flue wall 7 on heat exchange zone 5 tops of ring-shaped sintered chamber 13 hot blast import 6 is arranged.Down logical hot blast import 6 is arranged in the flue wall 7, the last warm-air pipe 8 of logical hot-blast outlet 15, hot-blast outlet 15 communicates with agglomerating chamber dryer section 14.The heat exchange systems of Gou Chenging can make wind-warm syndrome be raised to 500 ℃ by room temperature, and hot-bulb drops to 300 ℃ gradually by 1000 ℃ like this.The hot blast that forms enters warm-air pipe 8 from hot blast import 6, under the furnace roof suction function, is sprayed onto dryer section 14 from hot-blast outlet 15, is used for the dry wet bulb that just has been distributed into, thereby makes full use of heat energy, saves the energy.

Claims

1, the coal-fired palletizing shaft furnace of a kind of annular, form by ring-shaped sintered chamber, toroidal combustion chamber, flue, charge door and discharging opening, the section that it is characterized in that said ring-shaped sintered chamber is that trapezoidal articulating forms, and agglomerating chamber's metope is stalk or zigzag wall or waveform wall.

2, the coal-fired palletizing shaft furnace of annular according to claim 1, it is characterized in that said toroidal combustion chamber is formed by the ladder activities combustion chamber and the trapezoidal fixed combustion chamber articulating of space, movable combustion chamber burner one side has living of sealing at ordinary times to build the processing hole, and fixed combustion chamber burner one side has the flame conducting tube to feed ring-shaped sintered chamber.

3, the coal-fired palletizing shaft furnace of annular according to claim 1 and 2, it is characterized in that heat exchange zone bottom, said ring-shaped sintered chamber exterior wall has the cold wind import, on the flue wall on heat exchange zone top the hot blast import is arranged, flue has down logical hot blast import, the last warm-air pipe of logical hot-blast outlet within the walls, and hot-blast outlet communicates with the agglomerating chamber dryer section.