CN101806461A

CN101806461A - Firewood and coal dual-purpose half-gasification multifunctional heating boiler

Info

Publication number: CN101806461A
Application number: CN 201010162110
Authority: CN
Inventors: 魏广廷; 董立军
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-07-26
Filing date: 2010-04-10
Publication date: 2010-08-18

Abstract

The invention discloses a firewood and coal dual-purpose half-gasification multifunctional heating boiler. In a boiler body provided with a water jacket, an ash falling chamber, a water pipe type fire grate and a gas generating chamber are sequentially distributed from bottom to top, wherein the ash falling chamber is arranged at the bottom, the gas generating chamber is arranged on the water pipe type fire grate, the gas generating chamber is connected with a fire gathering cover, and the upper part of the boiler body is provided with a smoke outlet. The firewood and coal dual-purpose half-gasification multifunctional heating boiler is characterized in that the inner wall of the gas generating chamber is provided with a water pipe communicated with the water jacket of the boiler body, the water pipe is provided with a rib, and the fire gathering cover on the gas generating chamber is provided with a secondary air inlet hole. The invention has the advantages that by utilizing a windward channel formed by a water pipe with the rib, fuel is burnt from the edge to the middle, the generated gas and soot enter a combustion chamber and are sufficiently burnt, and the discharge of combustible material can be reduced. The invention is suitable for multiple fuels of coal, straws and the like, can be used for heating, boiling water, cooking and warming kang, and is especially suitable for heating in winter in the north of China.

Description

Firewood and coal dual-purpose half-gasification multifunctional heating boiler

Technical field

The present invention relates to a kind of heating boiler, is a kind of half gasification boiler specifically.

Background technology

At present, the heating boiler of selling on the market, common project organization is: body of heater is provided with water jacket samdwich or comb, the flue that links to each other with body of heater also is provided with water jacket to increase heat exchange area, be provided with ash-falling chamber, fire grate, combustion chamber in the body of heater from down to up successively, the problem that this stove and accessory exists is that burning is insufficient, combustible content height in flue gas and the lime-ash.

Summary of the invention

The purpose of this invention is to provide a kind of firewood and coal dual-purpose half-gasification multifunctional heating boiler.

Technical scheme of the present invention: firewood and coal dual-purpose half-gasification multifunctional heating boiler; be provided with in the body of heater of water jacket; be provided with ash-falling chamber bottom distributing from bottom to top; be gas generating chamber above the waterpipe type fire grate; gas generating chamber connects flame centralizing hood, and upper of furnace body sets out mouth, is characterized in: the inwall of gas generating chamber is provided with the water pipe that is connected with furnace water jacket; water pipe is provided with fin, and the flame centralizing hood above the gas generating chamber is provided with secondary wind fresh air inlet.

Advantage of the present invention is: utilize to have the windward passage that the fin water pipe forms, be that fuel is by edge phase intermediate combustion, coal gas that forms and flue dust enter the combustion chamber and are able to abundant burning, reduce the discharging of combustible, be fit to pluralities of fuels such as coal, stalk, warm oneself, heat up water, cooking, burning a heatable brick bed can use, be particularly suitable for north of china in winter heating and use.

Description of drawings

Fig. 1 is the structural representation of invention;

Fig. 2 is the A-A cutaway view.

1, bell, 2, secondary intake opening, 3, secondary air duct, 4, blower fan, 5, ash-falling chamber, 6 waterpipe type fire grates, 7, be provided with the body of heater of water jacket, 8, gas generating chamber, 9, have a water pipe of fin, 10, flame centralizing hood, 11, outlet flue, 12, chimney.

The specific embodiment

In the drawings, be provided with in the body of heater (7) of water jacket, be provided with ash-falling chamber (5) bottom distributing from bottom to top, be gas generating chamber (8) above the waterpipe type fire grate (6), gas generating chamber connects flame centralizing hood (10), and upper of furnace body sets out mouth (11) if outlet flue does not directly link to each other in chimney, also can insert and be the heated kang heating in the flue of a kang, the inwall of gas generating chamber is provided with the water pipe (9) that is connected with furnace water jacket, and water pipe is provided with fin, and the flame centralizing hood above the gas generating chamber is provided with secondary intake opening (2); Be provided with bell (1) on the fire door on flame centralizing hood, opening bell, can to carry out cooking affected; Secondary wind is to enter interlayer in the middle of the flame centralizing hood by blower fan (4) and secondary air duct (3), enters by secondary air hole and burns after gas generating chamber top and coal gas mix; The waterpipe type fire grate can communicate with furnace water jacket.

Design feature

The fire grate water pipe is made, made the water of fire bars be in heated condition all the time; Be connected at the water pipe of the ordinary heating stove inboard evenly distributed one all vertical band fins of water jacket commonly used and with water jacket, vertical water pipe and water jacket inwall have certain intervals, its purpose is exactly at utmost to allow fuel such as bavin, coal from bottom and burning all around, and along water jacket and the upwards burning of gap of vertical water pipe all around, water pipe and water jacket have been burnt hot (to avoid fire to burn from the centre simultaneously as far as possible, if the inner space is bigger, the vertical water pipe that adds fin is set from the centre), strengthened heating surface area like this.

Made full use of annular oxygen supply principle, each vertical water pipe is exactly an independent annular oxygen system, adds the particularly outstanding of fin, oxygen advances and blows from the confession all around of vertical water pipe, mainly from oxygen supply all around, form integral ring-shaped oxygen system in the body of heater, fuel also mainly upwards fires around body of heater in the stove.

Made full use of the characteristic of charing system gas, fuel such as bavin, coal are put into that stove at first carries out charing burning and with its aerogenesis body in the secondary oxygenation burning of gas outlet, body of heater upper end, so not only warming oneself to cook heats up water.

Make full use of waste heat, waste heat is inserted farmers''s heated kang, so not only effectively utilized waste heat, also reduced toxic emission.

Operation principle and program

1, blower fan is inserted and connect power supply, do not open earlier the pass;

2, open bell;

3, fuel such as bavin, coal are put into stove and tamping;

4, build bell;

Just flue damper is shut if 5 burn a heatable brick bed;

6, light;

7, cover ash-falling chamber completely;

8, open fan switch,, make fuel in the gas generating chamber from bottom conflagration to ash-falling chamber blowing oxygen supply, and from around to burning.

9, open bell after the meeting in the igniting of flame centralizing hood place when burning one, the coal gas in the stove is lighted carried out second-time burning, be used to cook, heat up water, warm oneself; According to gas quantity size with fiery strong and weak situation, the size that can regulate secondary wind;

10, look with condition of a fire condition fan delivery adjustable size, just shut fan switch after the ordinary circumstance fire is lighted, open ash-falling chamber's door, natural oxygen supply burning is just passable;

12, reinforced at any time with fire at any time, disembark midway; With fire, fuel is certain for what do if cook, and water content generally is no more than 18%;

When 13, evening sleep needs banking fire, be with some fuel of anti-the combustion, regulate chimney plate washer or half pass according to circumstances;

If 14, this stove free burning coal effect is better: not only economized coal but also the thermal efficiency height of saving trouble, banking fire (banking up a fire) time is long, removes once ash in several days;

15, to often clear up around the stove inwall and ash, Jiao and foreign material between vertical water pipe, pay special attention to when playing stove around the cleaning bottom in second day, guarantee fire from furnace bottom and upwards burning all around,

If 16 with this furnace zone radiator and when burning a heatable brick bed, occur smoldering or during heating installation heat slow, main cause may be that the flue draft is not enough;

Must install with the professional when 17, connecing heating installation with this stove, if body of heater is awfully hot, and hot or not hot slower of heating installation ceased fire immediately, checks that heating installation installs; Emphasis checks whether backwater is smooth and easy, and radiator is many will install circulating pump; Check that whether venting being installed is cut down etc.

Claims

1. firewood and coal dual-purpose half-gasification multifunctional heating boiler; be provided with in the body of heater (7) of water jacket; be provided with ash-falling chamber (5) bottom distributing from bottom to top; above the waterpipe type fire grate (6) gas generating chamber (8); gas generating chamber connects flame centralizing hood (10), and upper of furnace body sets out mouth (11), it is characterized in that: the inwall of gas generating chamber is provided with the water pipe (9) that is connected with furnace water jacket; water pipe is provided with fin, and the flame centralizing hood above the gas generating chamber is provided with secondary intake opening (2).