CN2374770Y

CN2374770Y - Inner channel air return ventilating and energy saving gas store

Info

Publication number: CN2374770Y
Application number: CN 99234475
Authority: CN
Inventors: 郭文有
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-03-25
Filing date: 1999-03-25
Publication date: 2000-04-19
Anticipated expiration: 2009-03-25

Abstract

The utility model relates to an inner duct return smoke-extracting gas-discharging energy-saving fuel gas stove, which is a household gas stove which is suitable for various fuel gas, and is composed of a stove rack, a stove ring, a stove plate, a panel, a flame-guiding ring 4, a waste gas collecting area casing 3, a chimney 8, an exhaust fan 1, etc. Flames rise between the flame-guiding ring and a cooker; the exhaust fan inversely extracts waste gas between the upper edge of the flame-guiding ring and the stove ring, and the waste gas is discharged out of a room through an annular path; the cooker thereof sinks, which enlarges a contact area with the flames; the waste fuel gas is directly discharged out of the room; heat-insulating materials are coated on the flame-guiding ring, the waste gas collecting area casing, etc., to preserve heat. The utility model, which has the advantages of an improvement on a combustion value, energy conservation, high efficiency and avoidance of indoor pollution by harmful waste gas, is an ideal new-generation household fuel gas stove.

Description

Inner by-pass air return ventilating energy-saving fuel gas

The utility model relates to a kind of domestic energy-conserving gas furnace with inner by-pass air return ventilating structure.

In AND ENERGY RESOURCES CONSUMPTION IN CHINA, the consumption of domestic fuel occupies important proportion, and the waste gas that is produced also is one of air-polluting primary pollution source.Therefore, country is to saving domestic fuel and reduce the pollution that domestic fuel causes and pay much attention to, and one of its important measures is exactly the direction that natural gas and solid fuels gasification are developed as domestic fuel.Along with the increase of domestic gas output, the requirement of house gas boiler will constantly increase.Present existing gas furnace, its structure all are open types, and combustion gas is delivered to the stone or metal plate for standing a stove on as a precaution against fire burning through pipeline, and directly facing to the cooker bottom, flame and cooker contact area are little for flame, and heat-transfer machine can lack; Only insufficient by the burning of convection current air feed; The pernicious gas that burning generates is many, harm people's health.Endanger the enhancing of being familiar with along with people's environmental consciousness with to the gas that house gas boiler produces, people will be more and more higher also to the requirement of the combustion efficiency of house gas boiler.Not only energy-conservation pollution but also light house gas boiler not only are subjected to the support of national policy, also can be subjected to numerous residents' favor.

The purpose of this utility model provides a kind of energy-conservation and pollute little house gas boiler.

Inner by-pass air return ventilating energy-saving fuel gas is made up of grate 5, stove circle 2, stone or metal plate for standing a stove on as a precaution against fire (containing air inlet pipe, igniter) 7, chassis 6, support 9, panel 13, flame guide ring 4, gas sampling district shell 3, chimney (containing horn section) 8 and exhaust fan 1 etc.Stone or metal plate for standing a stove on as a precaution against fire (containing air inlet pipe, igniter) 7 and panel 13 are installed on the grate 5, and gas sampling district shell 3 is installed in below the panel 13, and stove circle 2 covers the gap around the cooker; Being linked to each other successively with exhaust fan 1 by flame guide ring 4, gas sampling district shell 3, B district passage, chimney 8 constitutes exhaust structure, and the chimney of flame guide ring 4, gas sampling district shell 3 and stove district part is all at panel below 13 in the part of exhaust structure; Support 9 is placed on the chassis 6, and chassis 6 is placed on the installed surface of flame guide ring 4 bottoms, and flame guide ring 4 is placed on the annular installed surface of shell 3 bottoms, gas sampling district, and gas sampling district shell 3 is linked to each other with chimney 8 by B district passage, and the horn mouth of chimney 8 connects exhaust fan.The gap of air between stone or metal plate for standing a stove on as a precaution against fire and chassis enters with combustion gas mixing burns, flame rises between flame guide ring and cooker, waste gas is collected pumpback in the passage in gas sampling district through the annulus of suitable for reading of stove circle and flame guide ring, is deflated fan through chimney and discharges outdoor.For fear of bleed with flare take out secund, adopt circular passage return air (back suction downwards) air suction mode, make the dynamics of bleeding along the circumferential direction consistent, flame evenly distributes.

Compare with existing house gas boiler and the utlity model has tangible advantage:

Sell in the market and gas furnace that the resident uses, its structure all is an open type, and flame is directly facing to bottom the cooker, then to around leave, flame and cooker contact area are little, heat-transfer machine can lack; Adopt wind loop though also have, enclose lowly, just in order to keep out the wind, energy-saving effect is not obvious, thereby is not widely adopted; Only insufficient by the burning of convection current air feed, not only waste energy, and the harmful exhaust that produces is more; The pernicious gas that burning generates was diffused into indoor outdoor by the smoke exhaust ventilator extraction more before this, room air was polluted, harm people's health.

The utility model gas furnace has following characteristics: the direct pump drainage of (1) waste gas goes out outdoor, has reduced waste gas to indoor pollution.(2) cooker sinks, and the flame effect of leading of flame guide ring has in addition increased the transmission of heat by contact area and the heat exchanger time of flame and cooker.(3) owing to the effect of bleeding, the air that enters the combustion zone has increased, and makes sufficient combustion, and waste gas content descends, and pollution alleviates.(4) flame guide ring, Lu Quan, gas sampling district shell and chassis are coated with insulation material, improve heat insulation effect, stove district increase in temperature, thus improve the effect that cooker absorbs heat.Owing to adopt special construction, this gas furnace has efficient energy-saving, reduces the outstanding advantage of indoor pollution.

In the Figure of description, Fig. 1 is the structure chart of inner by-pass air return ventilating energy-saving fuel gas, and Fig. 2 is the vertical view of inner by-pass air return ventilating energy-saving fuel gas.

The utility model is described in further detail below in conjunction with accompanying drawing.

Exhaust fan 1 can be 3m with general capacity ³Little exhaust fan about/min, wall are opened the hole exhaust fan are installed, and the horn mouth of chimney joins with bleeding; Also can directly exhaust chimney horn mouth be received on the bleeding point of smoke exhaust ventilator; The horn mouth outward flange can be made and take into account the shape and size that two kinds of mounting means need.The fan blade of fan and fixedly the part of fan blade should be metal, can not use plastic part, can't stand EGT in case hold.

Stove circle 2 is the Thin Stainless Steel plate stamping part, adopts taper, about the high 10mm of cone, improves intensity, also increases the encirclement area to cooker.For adapting to the cooker of different size, a stove can be equipped with the stove circle of several different sizes.

The shell of gas sampling district shell 3, panel 13 and B district passage is the stainless sheet steel drawing and forming.Gas sampling district shell 3 and panel 13, and the shell of the B district passage making that is integrated can be added cover plate 14 formation seal channels on the B zone in the making; Makings that also cover plate 14 and panel 13 can be integrated separates making with the shell of gas sampling district shell 3, B district passage, is combined into one then.In order to produce the return air effect of downward back suction, gas sampling district shell and B district passage should be done more deeply.Respectively drive a chimney by the hole on two angles about on panel 13,, and another port lid is lived with closing disk 15 so that as required chimney is contained in left side or right side.

Flame guide ring 4 is used the stainless sheet steel drawing and forming, forms the installed surface be installed on the gas sampling district shell 3 and the installation locating surface of support 9.Even for making along circumference return air dynamics, does not highly wait everywhere the upper edge of flame guide ring, the highest in the 30-40mm scope of the corresponding exhaust duct B district center left and right sides, with stove circle underclearance less than 4mm, it is minimum that 180 ° on opposite is located, with stove circle underclearance be 10-15mm, all the other position even transition.About the big 18mm of diameter of the corresponding site of the pot that the flame guide ring back cut diameter is more the most frequently used than resident family.

Assembling guarantees that stone or metal plate for standing a stove on as a precaution against fire 7 exceeds chassis 6 about 8mm.Stone or metal plate for standing a stove on as a precaution against fire disposes according to different combustion gas.

Chimney 8 is the chimney of common form, and 90 ° of elbows turn to.At the C face chimney is divided into two sections, joins, so that the C face is separated with top during mobile stove with horn mouth.Chimney will be fixed on the grate with the lower part at boiler face.

B leads in the district on the passage of two fire doors can respectively be provided with a baffle plate 10, and turning knob 11 is adjusted air quantity.This baffle plate and knob also can be cancelled and not do.

Cover plate 14, Thin Stainless Steel plate stamping part, its shape and B district channel shape and suitable for reading the matching of gas sampling district shell.

Closing disk 15 is used for the standby chimney of capping by hole, Thin Stainless Steel plate stamping part.

In order to reduce thermal loss, shell place, gas sampling district, chassis, flame guide ring will be coated with the insulation material of good thermal insulation property, and as insulation enamel paint, as it is better to be coated with rare earth heat-insulating material; Preferably the inboard is coated with and strengthens heat-reflecting coating, and the thick insulation material of 5mm is applied in the outside of gas sampling district shell.

Be convenient to observe the furnace flame size when adjusting flame,, establish peep hole 12 in the stove front, the quartz glass of the thick 3mm of Kong Yaoyong that for this reason opens on stove panel front and the gas sampling district shell is sealed, and the hole of opening on the flame guide ring is then without shutoff.

Claims

1, a kind of house gas boiler, be made up of grate (5), panel (13), stove circle (2), stone or metal plate for standing a stove on as a precaution against fire (containing air inlet pipe, igniter) (7), support (9) and chassis (6) etc., it is characterized in that: flame guide ring (4), gas sampling district shell (3), B district passage, chimney (8) and exhaust fan (1) link to each other successively and constitute exhaust structure; Gas sampling district shell (3) is installed in below the panel (13), support (9) is placed on the chassis (6), chassis (6) is placed on the installed surface of flame guide ring (4) bottom, flame guide ring (4) is placed on the annular installed surface of gas sampling district shell (3) bottom, gas sampling district shell (3) is linked to each other with chimney (8) by B district passage, and the horn mouth of chimney (8) connects exhaust fan.

2, according to claim 1 described house gas boiler, it is characterized in that: above-mentioned gas sampling district shell (3) is loop configuration; The circular passage of annular collecting region shell is lower than the suitable for reading of flame guide ring (4), forms the annular gas sampling district of downward back suction type.