CN2660317Y

CN2660317Y - Gas boiler with two coal gasifying chambers

Info

Publication number: CN2660317Y
Application number: CN 03284732
Authority: CN
Inventors: 满守江
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-09-17
Filing date: 2003-09-17
Publication date: 2004-12-01
Anticipated expiration: 2013-09-17

Abstract

A gas boiler is equipped with double coal-gasified rooms, the body wall of which is wrapped with a water jacket. Two coal-gasified rooms are provided with the columniform boiler body. The lateral walls of the gasified rooms are provided with coal-filling openings and dust-out openings. The gasified rooms and the burning rooms are connected by gas-fired burners. The interior of the burning room is provided with flower-holes wall, which is built by laying bricks. A convective heating surface is provided with a baffle water jacket, which communicates with the water jacket of the boiler body wall. The two sides of the gasified are provided with vertical hot-smoke-outlet pipes, which are equipped with level heat-exchanger water pipes, which communicate with the water jackets. The convective heating surface communicates with the hot-smoke-outlet pipes. The upper end of the boiler body is provided with a chimney, which communicates with the hot-smoke-outlet pipes. The inside of the chimney is provided with an air door. The utility model is provided with two coal-gasified rooms, which is good for producing gas and provides combustion for the burning rooms. The burning rooms are provided with flower-holes wall, which is built by laying bricks, and the inside walls of the burning rooms are provided with fire-resistant material layers, which can maintain the burning rooms with quite higher temperature and are good for the entire burnings of the carbon particles in the gas that enters into the burning rooms after being produced by gasifying the coal, volatile organic compounds and burnable gas.

Description

Two coal vaporizer gas fired-boilers

Technical field

The utility model relates to a kind of coal gasification fired boiler, particularly a kind of coal vaporizer and boiler furnace of coal gasification fired boiler.

Background technology

The coal gasification fired boiler has coal vaporizer and boiler, boiler combuster and heat exchanger.In the prior art, Chinese patent ZL 01 2 16228.0 discloses a kind of coal-fired gasification hot water all-in-one oven, and this coal-fired gasification hot water all-in-one oven has the cylindrical boiler body, and a coal vaporizer is arranged in the boiler body; Around the boiler furnace is heat exchanger.This coal-fired gasification hot water all-in-one oven has following deficiency:

1, because the coal gasification need be carried out, has only a coal vaporizer in use in the burner hearth of sealing, or intermittently open the coal filling hole coal, keep stove fire not extinguish; Or, open coal filling hole and add a burner hearth coal again in whole afterburnts of a burner hearth coal, make the boiler intermittent combustion, have only a coal vaporizer to be unfavorable for producing continuously combustion gas;

2, be heat exchanger around the boiler furnace, make the temperature of combustion chamber can be too not high, the carbon granule in the combustion gas that is unfavorable for producing in the coal gasification processes, the burning of organic volatile, the fuel gas buring that the coal gasification is produced is insufficient.

Summary of the invention

The purpose of this utility model is in order to overcome above-mentioned deficiency, to propose a kind of fully two coal vaporizer gas fired-boilers of fuel gas buring that the coal gasification produces combustion gas continuously, the coal gasification is produced that help.

The utility model is realized with the following method.

Two coal vaporizer gas fired-boilers have vertical type cylinder shape boiler body, in the vertical type cylinder shape boiler body vertical partition wall is arranged, boiler body is divided into two half-cylindrical side rooms, in the half-cylindrical side room an adjacent left side is arranged, right two coal vaporizers, the top in another half-cylindrical side room is the combustion chamber, the bottom is a convection heating surface, the outer wall of boiler body is surrounded by water jacket, the inwall of coal vaporizer and combustion chamber is a refractory masses, between two half-cylindrical side rooms and between two coal vaporizers the water jacket layer that communicates is arranged, there is coal filling hole the sidewall top of coal vaporizer, there is ash hole the sidewall below, the fast-open type hermatic door is arranged on coal filling hole and the ash hole, convertible fire grate is arranged at coal vaporizer bottom, convertible fire grate below has water seal to remove slag chute, water seal slagging-off cell wall is air inlet once, be connected with fuel burner nozzle between coal vaporizer and combustion chamber, the secondary air mouth is arranged on the fuel burner nozzle, brick flower pore wall is arranged in the combustion chamber, the bottom of combustion chamber links to each other with the top of convection heating surface, convection heating surface has the deflection plate water jacket, the deflection plate water jacket, the water jacket of boiler body outer wall, between two half-cylindrical side rooms and the water jacket between two coal vaporizers be connected, the water jacket of above-mentioned connection has water inlet and delivery port, there is vertical hot smoke discharge tube the both sides of coal vaporizer, horizontal heat exchanging water pipe is arranged in the hot smoke discharge tube, horizontal heat exchanging water pipe is connected with above-mentioned water jacket, the bottom of convection heating surface communicates with the bottom of hot smoke discharge tube, there is chimney the upper end of boiler body, the upper end of hot smoke discharge tube is connected with chimney, in side wall of combustion chamber, there is ignition furnace the fuel burner nozzle below, and air door is arranged in the chimney.

During use, topped up with water in the water jacket, the coal vaporizer adds spunk and coal, coal ignites, with air blast to air inlet and the air blast of secondary air mouth, adjust the air door in the blow rate required and the chimney, make the gasification of coal gasification furnace coal burning, produce combustion gas and enter the combustion chamber by fuel burner nozzle, ignition furnace doors at sidewall of combustion chamber fires the combustion gas that enters the combustion chamber, combustion gas is heated brick flower pore wall in the combustion chamber internal combustion, keeps the combustion chamber that higher ignition temperature is arranged, hot flue gas enters hot smoke discharge tube after heating the deflection plate water jacket by convection heating surface, behind hot smoke discharge tube heat levels heat exchanging water pipe, discharge the water jacket that the heat that coal gasification furnace and combustion chamber produce can the heating kettle furnace body outer wall, outwards heat supply of heated water in the water jacket of connection when burning from chimney.

The utility model has two coal vaporizers, in use, can be when the coal in the coal vaporizer need be opened fire door coal, ash discharge with after-flame, allow another coal vaporizer be in the stage that combustion gas takes place, help producing continuously combustion gas for combustion chambers burn; In addition, brick flower pore wall is arranged in the combustion chamber, the combustion chamber inwall has refractory masses, can keep that higher ignition temperature is arranged in the combustion chamber, helps entering after the coal gasification the abundant burning of carbon granule, organic volatile and imflammable gas in the combustion gas of combustion chamber.

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

Description of drawings

Fig. 1, Fig. 3 are that schematic diagram cuts open in the master office of looking of two coal vaporizer gas fired-boilers;

Fig. 2, Fig. 4 are respectively that schematic diagram cuts open in the office of overlooking of Fig. 1, Fig. 3.

The specific embodiment

Fig. 1, Fig. 2, Fig. 3, among Fig. 4, two coal vaporizer gas fired-boilers have vertical type cylinder shape boiler body 1, in the vertical type cylinder shape boiler body vertical partition wall 2 is arranged, boiler body is divided into two half-cylindrical side rooms, in the half-cylindrical side room an adjacent left side is arranged, right two

coal vaporizers

3,4, the top in another half-cylindrical side room is combustion chamber 5, the bottom is a convection heating surface 6, the outer wall of boiler body is surrounded by water jacket 7, the inwall of coal vaporizer and combustion chamber is a refractory masses 8, between two half-cylindrical side rooms and between two coal vaporizers the water jacket layer 9 that communicates is arranged, 10, there is coal filling hole 11 the sidewall top of coal vaporizer, there is ash hole 12 the sidewall below, the fast-open type hermatic door is arranged on coal filling hole and the ash hole, convertible fire grate 13 is arranged at coal vaporizer bottom, convertible fire grate below has water seal to remove slag chute 14, water seal slagging-off cell wall is air inlet 27 once, be connected with fuel burner nozzle 15 between coal vaporizer and combustion chamber, secondary air mouth 16 is arranged on the fuel burner nozzle, brick flower pore wall 17 is arranged in the combustion chamber, the bottom of combustion chamber links to each other with the top of convection heating surface, convection heating surface has deflection plate water jacket 18, the deflection plate water jacket, the water jacket of boiler body outer wall, between two half-cylindrical side rooms and the water jacket between two coal vaporizers be connected, the water jacket of above-mentioned connection has water inlet 19 and delivery port 20, there is vertical hot smoke discharge tube 21 both sides of coal vaporizer, 22, horizontal heat exchanging water pipe 23 is arranged in the hot smoke discharge tube, horizontal heat exchanging water pipe is connected with above-mentioned water jacket, the bottom of convection heating surface communicates with the bottom of hot smoke discharge tube, there is chimney 24 upper end of boiler body, the upper end of hot smoke discharge tube is connected with chimney, in side wall of combustion chamber, there is ignition furnace 25 the fuel burner nozzle below, and air door 26 is arranged in the chimney.

Claims

1. two coal vaporizer gas fired-boiler, vertical type cylinder shape boiler body is arranged, the outer wall of boiler body is surrounded by water jacket, it is characterized in that: in the vertical type cylinder shape boiler body vertical partition wall is arranged, boiler body is divided into two half-cylindrical side rooms, in the half-cylindrical side room an adjacent left side is arranged, right two coal vaporizers, the top in another half-cylindrical side room is the combustion chamber, the bottom is a convection heating surface, the inwall of coal vaporizer and combustion chamber is a refractory masses, between two half-cylindrical side rooms and between two coal vaporizers the water jacket layer that communicates is arranged, there is coal filling hole the sidewall top of coal vaporizer, there is ash hole the sidewall below, the fast-open type hermatic door is arranged on coal filling hole and the ash hole, convertible fire grate is arranged at coal vaporizer bottom, convertible fire grate below has water seal to remove slag chute, water seal slagging-off cell wall is air inlet once, be connected with fuel burner nozzle between coal vaporizer and combustion chamber, the secondary air mouth is arranged on the fuel burner nozzle, brick flower pore wall is arranged in the combustion chamber, the bottom of combustion chamber links to each other with the top of convection heating surface, convection heating surface has the deflection plate water jacket, the deflection plate water jacket, the water jacket of boiler body outer wall, between two half-cylindrical side rooms and the water jacket between two coal vaporizers be connected, the water jacket of above-mentioned connection has water inlet and delivery port, there is vertical hot smoke discharge tube the both sides of coal vaporizer, horizontal heat exchanging water pipe is arranged in the hot smoke discharge tube, horizontal heat exchanging water pipe is connected with above-mentioned water jacket, the bottom of convection heating surface communicates with the bottom of hot smoke discharge tube, there is chimney the upper end of boiler body, the upper end of hot smoke discharge tube is connected with chimney, in side wall of combustion chamber, there is ignition furnace the fuel burner nozzle below, and air door is arranged in the chimney.