CN202521847U

CN202521847U - Gasification/combustion hot blast stove

Info

Publication number: CN202521847U
Application number: CN201220197935XU
Authority: CN
Inventors: 刘善华; 单晓昌; 邓连友
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-05-05
Filing date: 2012-05-05
Publication date: 2012-11-07
Anticipated expiration: 2022-05-05

Abstract

A gasification/combustion hot blast stove is characterized in that the external of hot blast stove is a closed boiler wall; a gasification chamber is installed on one side of the inner cavity of the boiler wall, and the wall of the gasification chamber and the boiler wall form a jacket structure; an annular air funnel is arranged horizontally at the lower-middle part of the gasification chamber in the circumferential direction; air supply holes are arranged around the air funnel; the gasification chamber is provided with a feed hopper and an ash discharge bucket which pass through the boiler wall; the side wall of the gasification chamber is provided with a heat energy nozzle, the end of the heat energy nozzle extending out of the gasification chamber is connected with a closed combustion chamber; the heat energy nozzle communicates the gasification chamber with the combustion chamber; the side wall of the combustion chamber is connected with an air distribution tube which passes through the stove wall; the top of the combustion chamber is connected with a left direction adjustment chamber located at the upper part of the combustion chamber through a plurality of vertical cooling pipes; the top of the left direction adjustment chamber is connected with a smoke collection pipe which passes through the stove wall top plate and then is connected with a smoke discharge pipe. The stove can perform gasification, gas combustion and heat release at one time, and the gasification efficiency is high. The fuel range is wide; the hot blast stove can use both soot and biomass fuel as fuel to supply heat, and the hot blast stove is pollution-free.

Description

Gasification and combustion hot-blast stove

Technical field

The utility model relates to a kind of thermal energy conversion device, relates in particular to the hot-blast stove that thermal power transfer is carried out in a kind of solid fuel direct combustion, gasification burning simultaneously.

Background technology

Hot-blast stove is agricultural greenhouse Winter protection or the industrial stoving equipment commonly used that dries; With the solid fuel is the hot-blast stove of the energy; The general direct combustion form that adopts, fuel places on the fire grate, and blower fan is air blast under fire grate; Flame heat conduction furnace wall in the burner hearth or heat exchanger tube radiations heat energy improve the temperature of water; Volume falls into grey chamber less than fixed carbon moment in fire grate gap, and fuel gas such as the carbon monoxide that fuel at high temperature generates, hydrogen, methane are carried the entering atmosphere by flue dust, not only wastes energy but also causes atmosphere pollution.In recent years, along with the develop rapidly of biomass gasification technology, people begin to research and develop solid fuel discharges whole heat energy in same device hot-blast stove.

The utility model content

The purpose of the utility model provides a kind of solid fuel and in same device, carries out thermal cracking, fuel gas buring, heat energy and discharge the hot-blast stove that cold air is heated up.

For the technical scheme that realizes above-mentioned purpose the utility model following:

A kind of gasification and combustion hot-blast stove; Its outside furnace wall for sealing; Side in the inner chamber of furnace wall is equipped with vaporizer, and gasification locular wall and furnace wall form jacket structured, it is characterized in that: the circumferential design levels in vaporizer middle and lower part has the air funnel of annular; The air funnel border has wind pushing hole, and wind pushing hole opening level is towards the vaporizer middle part; Air funnel links to each other with air blast through the ajutage that passes the furnace wall; Be designed with the feed hopper that passes the furnace wall on the vaporizer and go out ash bucket, feed hopper with go out ash bucket and seal by feed hopper door and ash discharge sluice gate respectively; Vaporizer is positioned on the sidewall in the middle part of the casing and has the heat energy nozzle, and the heat energy nozzle is positioned at the top of air funnel; The heat energy nozzle stretches out vaporizer one end and links to each other with the combustion chamber of sealing; The heat energy nozzle is communicated with vaporizer with the combustion chamber; Be connected with the aid distributing pipe that passes the furnace wall on the sidewall of combustion chamber; The below, combustion chamber is bucket-shaped combustion chamber soleplate, and combustion chamber soleplate goes out ash bucket with the combustion chamber and links to each other, and the combustion chamber goes out ash bucket and sealed by soil-shifting door; Top of combustion chamber is transferred to the chamber conducting through many upright left sides to radiating tube and its top, and a left side is transferred to the chamber and is case structure independently, and left accent is connected with smoke collection pipe to the top, chamber, and smoke collection pipe links to each other with smoke exhaust pipe after passing the furnace wall top board; Combustion chamber, a left side are transferred to the chamber, upright one side has the air-supply machine barrel in the furnace wall to jacket structured for what is communicated with the vaporizer chuck between radiating tube and the furnace wall, and the machine barrel of blowing links to each other with pressure fan; The furnace wall opposite side has hot-blast outlet pipe.

Above-mentioned a kind of gasification and combustion hot-blast stove; It is characterized in that: a left side is transferred to the left side on top, chamber accent and to the chamber dividing plate it is divided into isolated two parts up and down; The dextrad radiating tube of the level that on the right side wall of bottom, chamber, is connected with is transferred on a left side; Transfer to the conducting of the bottom of chamber on the right side of the dextrad radiating tube other end and sealing, and right accent is transferred with a left side through the left-hand radiating tube to the left side wall on top, chamber and is conducted to the top of chamber, and left side accent links to each other with smoke collection pipe to the top of chamber.

Above-mentioned a kind of gasification and combustion hot-blast stove, it is characterized in that: the induced duct that links to each other with air-introduced machine penetrates in the smoke exhaust pipe, and opening direction is consistent with smoke exhaust pipe; The fin of design solid matter on the edge-on wall of combustion chamber.

During use solid fuel is added the combustion adjuvant that sprays with wind pushing hole in the vaporizer from feed hopper and react generation high-temperature combustible gas body; The high-temperature combustible gas body gets into combustion chambers burn from the heat energy nozzle and produces more hot gas, and high-temperature gas is through discharge under the help of air-introduced machine behind vertical and the radiating tube laterally inflection.Room temperature air carries out seeing off from hot-blast outlet pipe after the heat exchange to chamber, radiating tube chamber wall, gasification locular wall with accent from air-supply machine barrel entering stove is inherent on the other hand.

The advantage of the utility model is following:

1, fuel drops into from the vaporizer front upper; Air blast is circumferentially sent into vaporizer inner chamber bottom through ajutage, air funnel, wind pushing hole successively with airborne oxygen; It is main fuel gas that solid fuel carries out down gasifying agent combustion-supporting that thermal chemical reaction generates with the carbon monoxide, and gasification efficiency is high.

2 and the gasification water heater do not have fire grate, the fixed carbon in solid fuel contact with oxygen gas-bearing formation layer one by one is oxidized to the gas energy, fixed carbon finally turns to dust and ashes, the fuel thermal energy utilization rate is high.

3, gasification, fuel gas buring, heat energy discharge disposable completion, and heat exchange area is big in the stove, and the solid fuel thermal power transfer is fully used.

4, volume is little, adapts to numerous small users' needs.

5, the fuel scope of application is wide, can be that fuel can use biomass fuel supply heat energy again with the coal smoke.

6, the gaseous fuel that solid fuel is generated in body of heater in time adopts airborne oxygen to carry out combustion-supporting burning, and the thermal-flame after-flame that the tar in the combustion gas is penetrated in the nozzle also converts the radiant heat source of gas into, and the gas that chimney is discharged is pollution-free.

Below in conjunction with accompanying drawing and embodiment the utility model is further specified.

Description of drawings

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

Among the figure 1; Furnace wall 2; Combustion chamber 3; Soil-shifting door 4; The combustion chamber goes out ash bucket 5; Upright to radiating tube 6; Transfer to chamber 7 on a left side; Dextrad radiating tube 8; Transfer to chamber dividing plate 9 on a left side; Smoke collection pipe 10; Smoke exhaust pipe 11; Induced duct 12; Air-introduced machine 13; Pressure fan 14; Air-supply machine barrel 15; The right accent to chamber 16; Cushion block 17; Feed hopper 18; Feed hopper door 19; Vaporizer 20; Go out ash bucket 21; Ash discharge sluice gate 22; Air blast speed regulator 23; Air blast 24; Ajutage 25; Wind pushing hole 26; Left-hand radiating tube 27; Air funnel 28; Combustion chamber 29; Heat energy nozzle 30; Aid distributing pipe 31; Hot-blast outlet pipe 32; Fin.

The specific embodiment

Embodiment 1

As shown in Figure 1; A kind of gasification and combustion hot-blast stove, its outside furnace wall 1 for sealing, the side in 1 inner chamber of furnace wall is equipped with vaporizer 19; Gasification locular wall and furnace wall form jacket structured; The circumferential design levels in vaporizer 19 middle and lower parts has the air funnel 27 of annular, and air funnel 27 borders have wind pushing hole 25, and wind pushing hole 25 opening levels are towards the vaporizer middle part; Air funnel 27 links to each other with air blast 23 through the ajutage 24 that passes the furnace wall; Be designed with the feed hopper 17 that passes furnace wall 1 on the vaporizer 19 and go out ash bucket 20, feed hopper 17 with go out ash bucket 20 respectively by

feed hopper door

18 and 21 sealings of ash discharge sluice gate; Vaporizer is positioned on the sidewall in the middle part of the casing and has heat energy nozzle 29, and heat energy nozzle 29 is positioned at the top of air funnel 27; Heat energy nozzle 29 stretches out vaporizer one end and links to each other with the combustion chamber 28 of sealing; Heat energy nozzle 29 is communicated with vaporizer 19 with combustion chamber 28; Be connected with the aid distributing pipe 30 that passes the furnace wall on 28 sidewalls of combustion chamber; The below, combustion chamber is bucket-shaped combustion chamber soleplate, and combustion chamber soleplate goes out ash bucket 4 with the combustion chamber and links to each other, and the combustion chamber goes out ash bucket 4 by soil-shifting door 3 sealings; Top of combustion chamber upright is transferred to chamber 6 conductings to the radiating tube 5 and the left sides on its top through many, and a left side is transferred to chamber 6 and is case structure independently, and left side accent is connected with smoke collection pipe 9 to 6 tops, chamber, and smoke collection pipe 9 links to each other with smoke exhaust pipe 10 after passing the furnace wall top board; Combustion chamber, a left side are transferred to the chamber, upright one side has air-supply machine barrel 14 in the furnace wall to jacket structured for what is communicated with the vaporizer chuck between radiating tube and the furnace wall, and the machine barrel 14 of blowing links to each other with pressure fan 13; The furnace wall opposite side has hot-blast outlet pipe 31.A left side is transferred to the left side on 6 tops, chamber accent and to chamber dividing plate 8 it is divided into isolated two parts up and down; The dextrad radiating tube 7 of the level that on the right side wall of 6 bottoms, chamber, is connected with is transferred on a left side; Transfer to the conducting of the bottom of chamber 15 on the right side of dextrad radiating tube 7 other ends and sealing; Right accent is transferred with a left side through left-hand radiating tube 26 to the left side wall on 15 tops, chamber and is conducted to the top of chamber 6, and left side accent links to each other with smoke collection pipe 9 to the top of chamber 6.The induced duct 11 that links to each other with air-introduced machine 12 penetrates in the smoke exhaust pipe 10, and opening direction is consistent with smoke exhaust pipe 10; The fin 32 of design solid matter on the edge-on wall of combustion chamber 28.

Claims

1. one kind gasifies and the combustion hot-blast stove; Its outside furnace wall (1) for sealing; Side in the inner chamber of furnace wall (1) is equipped with vaporizer (19), and gasification locular wall and furnace wall form jacket structured, it is characterized in that: the circumferential design levels in vaporizer (19) middle and lower part has the air funnel (27) of annular; Air funnel (27) border has wind pushing hole (25), and wind pushing hole (25) opening level is towards the vaporizer middle part; Air funnel (27) links to each other with air blast (23) through the ajutage (24) that passes the furnace wall; Be designed with the feed hopper (17) that passes furnace wall (1) on the vaporizer (19) and go out ash bucket (20), feed hopper (17) and go out ash bucket (20) respectively by the sealing of feed hopper door (18) and ash discharge sluice gate (21); Vaporizer is positioned on the sidewall in the middle part of the casing and has heat energy nozzle (29), and heat energy nozzle (29) is positioned at the top of air funnel (27); Heat energy nozzle (29) stretches out vaporizer one end and links to each other with the combustion chamber (28) of sealing; Heat energy nozzle (29) is communicated with vaporizer (19) with combustion chamber (28); Be connected with the aid distributing pipe (30) that passes the furnace wall on the sidewall of combustion chamber (28); The below, combustion chamber is bucket-shaped combustion chamber soleplate, and combustion chamber soleplate goes out ash bucket (4) with the combustion chamber and links to each other, and the combustion chamber goes out ash bucket (4) and sealed by soil-shifting door (3); Top of combustion chamber is transferred to chamber (6) conducting through many upright left sides to radiating tube (5) and its top; A left side is transferred to chamber (6) and is case structure independently; A left side is transferred and is connected with smoke collection pipe (9) to top, chamber (6), and smoke collection pipe (9) links to each other with smoke exhaust pipe (10) after passing the furnace wall top board; Combustion chamber, a left side are transferred to the chamber, upright one side has air-supply machine barrel (14) in the furnace wall to jacket structured for what is communicated with the vaporizer chuck between radiating tube and the furnace wall, and the machine barrel (14) of blowing links to each other with pressure fan (13); The furnace wall opposite side has hot-blast outlet pipe (31).

2. a kind of gasification according to claim 1 and combustion hot-blast stove; It is characterized in that: a left side is transferred to the left side on top, chamber (6) accent and to chamber dividing plate (8) it is divided into isolated two parts up and down; The dextrad radiating tube (7) of the level that on the right side wall of bottom, chamber (6), is connected with is transferred on a left side; The bottom conducting to chamber (15) is transferred on the right side of dextrad radiating tube (7) other end and sealing; Right accent is transferred with a left side through left-hand radiating tube (26) to the left side wall on top, chamber (15) and is conducted to the top of chamber (6), and left side accent links to each other with smoke collection pipe (9) to the top of chamber (6).

3. a kind of gasification according to claim 2 and combustion hot-blast stove, it is characterized in that: the induced duct (11) that links to each other with air-introduced machine (12) penetrates in the smoke exhaust pipe (10), and opening direction is consistent with smoke exhaust pipe (10); The fin (32) of design solid matter on the edge-on wall of combustion chamber (28).