CN2437996Y

CN2437996Y - Synchronous mix adjusting device for blast furnace

Info

Publication number: CN2437996Y
Application number: CN 00243813
Authority: CN
Inventors: 张地亨
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-07-24
Filing date: 2000-07-24
Publication date: 2001-07-04
Anticipated expiration: 2010-07-24

Abstract

The utility model relates to a synchronous mixture adjusting device for blast furnaces; a gas furnace head is connected with a gas tube and an air tube; the air tube is connected with a blower; the gas tube and the air tube are connected with the adjusting device and then are connected with the gas furnace head; a rotary valve penetrates through in a hollow base body of the adjusting device; the top end is fixed to a handle; a stepped hole is arranged in the hollow base body; the upper part is provided with a gas inlet hole and a gas outlet hole which are opposite; the lower part of the stepped hole is provided with an air inlet hole and an air outlet hole; the lower part of the hollow tube of the rotary valve is provided with an arc-shaped valve which is covered on the air inlet hole of the hollow base body; the side edges of the hollow tube are respectively provided with air outlet holes which correspond to the gas inlet hole and the gas outlet hole, and the diameters of the air outlet holes are gradually small; rotating the handle enables the rotary valve to synchronously adjust the input volumes of the gas and the air to generate an optimum mixing ratio for complete combustion.

Description

The synchronized mixes adjusting device of blast furnace

The utility model relates to blast furnace, refers in particular to a kind of synchronized mixes adjusting device of blast furnace.Its gas burner connects modulator, makes combustion gas and air best mixed proportion all be arranged with completing combustion under any capacity by modulator.

General gas burner connects Gas Pipe, structure of nozzle by the gas burner, make gas-flow when nozzle, drive air, make air and combustion gas mixing and burn, its major defect is the mode of mixing by combustion gas drives air, combustion gas is difficult to fill with air and part mixes and burn, and is easy to generate the situation of incomplete combustion, so the thermal efficiency is lower.

The gas burner that other has a kind of heats of combustion efficient as shown in Figure 8, it is applicable to the mode that boils of boiling fast stir-fry soon, the gas burner a that this kind has heats of combustion efficient is except connecting Gas Pipe b, and connect an air hose C, this air hose C connects an air blast 6, and is equiped with a control valve b1, C1 respectively on Gas Pipe b and air hose C, squeezes into a large amount of air by air blast b, it is fully mixed with combustion gas, thereby must make oxygen that combustion gas the time can obtain filling part in burning and completing combustion.Its major defect is not that all cooking method is all identical when being to boil, sometimes need the big fire marquis to fry soon, sometimes need little fiery marquis to simmer, therefore, must be optionally during the cooking and adjust control valve b1 on Gas Pipe b and the air hose C and C1 adjusting fiery marquis, if when wanting the big fire marquis to fry soon, combustion gas air inflow that must increase Gas Pipe b, combustion gas then must increase the air inflow of air hose C simultaneously when increasing, but the side must make combustion gas completing combustion; Otherwise, during little fiery marquis, then must reduce the air inflow of combustion gas, and reduce the quantity delivered of air simultaneously.Therefore, when boiling, because of the needs of famished look must be adjusted control valve b1, C1 on Gas Pipe b and the air hose c often, but, therefore must distinctly regulate and control control valve b1, c1 on Gas Pipe b and the air hose c because control valve b1 on this Gas Pipe b and the control valve c1 on the air hose c independently distinctly are provided with; If air feed is less than the quantity delivered of combustion gas, then can produce the situation of incomplete combustion, make stove fire present red as fire look, and the reduction thermal efficiency, thereby the necessary quantity delivered that increases air, but can make combustion gas completing combustion and be the blueness of completing combustion, but it is too much if the air quantity delivered surpasses combustion gas, then can cause gas concentration not enough and can't light, so it is very difficult when the mixed proportion of regulation and control air and combustion gas, especially when guest's multiple spot dish frequency is high, to change combustion gas and the Air mixing ratio adjusted often, then difficult and inconvenient more.

Main purpose of the present utility model is to provide a kind of synchronized mixes adjusting device of blast furnace, connects modulator at the gas burner, makes combustion gas and air best mixed proportion all be arranged with combustion fully under any capacity by modulator.

The purpose of this utility model is achieved in that a kind of synchronized mixes adjusting device of blast furnace, comprise that the gas burner connects Gas Pipe and air hose, this air hose connects air blast, after it is characterized in that this Gas Pipe and air hose are connected modulator, be connected in the gas burner again, wear rotary valve in the hollow pedestal of this modulator, top at rotary valve is fixed with handle, has up-small and down-big shoulder hole in this hollow pedestal, this shoulder hole top is provided with relative combustion gas air admission hole and combustion gas venthole, is provided with air inlet hole and venthole below shoulder hole; The hollow pipe below of this rotary valve is provided with the arcuation valve, this arcuation valve rotationally covering is on the air inlet hole of hollow pedestal, the side of hollow pipe respectively semi-ring be provided with respect to the combustion gas air admission hole of hollow pedestal and the isometrical air admission hole and the convergent venthole of combustion gas venthole, on hollow pipe, be equiped with a plurality of O type rings; The combustion gas air admission hole of this hollow pedestal connects Gas Pipe, and the combustion gas venthole connects the gas burner, and the air inlet hole of this hollow pedestal connects air blast, and venthole connects the gas burner.

Major advantage of the present utility model is to have the combustion gas of making and air best mixed proportion must be arranged with the effect of combustion fully under any capacity.

Further specify below in conjunction with preferred embodiment and accompanying drawing.

Fig. 1 is an assembling schematic diagram of the present utility model.

Fig. 2 is the perspective exploded view of modulator of the present utility model.

Fig. 3 is the assembling cross-sectional schematic of modulator of the present utility model.

Fig. 4 is the rotary valve standard-sized sheet action schematic diagram of modulator of the present utility model.

Fig. 5 is the half-open action schematic diagram of the rotary valve of modulator of the present utility model.

Fig. 6 is the rotary valve closing motion schematic diagram of modulator of the present utility model.

Fig. 7 is the half-open action schematic diagram of the arcuation valve of modulator of the present utility model.

Fig. 8 is the assembling schematic diagram of blast furnace commonly used.

Consult Fig. 1-Fig. 7, the utility model is to connect a Gas Pipe 2 and air hose 3 in a gas burner 1, and this air hose 3 connects an air blast 4, by air blast 4 air is sent into gas burner 1, makes itself and combustion gas mixing and burns; After it is characterized in that this Gas Pipe 2 and air hose 3 are connected a modulator 5, be connected in gas burner 1 again, wear a rotary valve 52 in the hollow pedestal 51 of this modulator 5, be fixed with leader 53 on the top of rotary valve 52, has up-small and down-big shoulder hole 511 in this hollow pedestal 51, these shoulder hole 511 tops are provided with relative combustion gas air admission hole 512 and combustion gas venthole 513, are provided with air one air admission hole 514 and venthole 515 below shoulder hole 511; Hollow pipe 521 belows of this rotary valve 52 are provided with an arcuation valve 522, this arcuation valve 522 gets rotationally covering on the air inlet hole 514 of hollow pedestal 51, the side of hollow pipe 521 respectively semi-ring be provided with respect to the combustion gas air admission hole 512 of hollow pedestal 51 and the isometrical air admission hole 521a and the convergent venthole 521b of combustion gas venthole 513, on hollow pipe 521, be equiped with a plurality of O type rings 523 with leakproof; The combustion gas air admission hole 512 of this hollow pedestal 51 connects Gas Pipe 2, and combustion gas venthole 513 connects gas burner 1, and the air admission hole 514 of this hollow pedestal 51 connects air blast 4, and venthole 515 connects gas burner 1.

According to above-mentioned structure, the isometrical air admission hole 521a and the convergent venthole 521b of the semi-ring of hollow pipe 521 both sides of these rotary valve 52 upper ends are oppositely arranged, therefore when making rotary valve 52, pulling handle 53 rotates, make isometrical air admission hole 521a to position at combustion gas air admission hole 512, this convergent venthole 521b is to work combustion gas venthole 513, so combustion gas must be by the combustion gas air admission hole 512 isometrical air admission hole 521a that flows through, flow to combustion gas venthole 513 by convergent venthole 521b again, thereby pulling handle 53 can be adjusted the gas output of combustion gas, as Fig. 4 and shown in Figure 5, or with the combustion gas blocking-up, as shown in Figure 6.

Because of 522 at arcuation valve on the air admission hole 514 of hollow pedestal 51, this arcuation valve 522 is an one with hollow pipe 521, so when pulling handle 53 when adjusting the air inflow of combustion gas, this arcuation valve 522 must partly hide on air admission hole 514 according to the air inflow number of combustion gas, thereby is adjusted the air inflow of air synchronously.

Because this Gas Pipe 2 and air hose 3 are for being connected jointly on the modulator 5, this Gas Pipe 2 there is no commissure with air hose 3 in modulator 5, so combustion gas does not mix with air, this is an one in order to the hollow pipe 521 of rotary valve 52 upper ends of adjustment combustion gas air inflow and the arcuation valve 522 of lower end, so rotate when adjusting the air inflow of combustion gas when swing handle 53 makes rotary valve 52, it can adjust the air inflow of air synchronously, make combustion gas and air that best mixed proportion must be arranged, make combustion gas be able to completing combustion, no matter under big fire marquis or little fiery marquis's situation, best mixed proportion all must be arranged, but make combustion gas completing combustion and be blue, thereby must make gas burner 1 can produce the highest combustion thermal efficiency.

Can adjust the air inflow of air when adjusting the air inflow of combustion gas synchronously,, make things convenient for the cook to manipulate so conveniently adjust fiery Hou Daxiao.

Claims

1, a kind of synchronized mixes adjusting device of blast furnace, comprise that the gas burner connects Gas Pipe and air hose, this air hose connects air blast, after it is characterized in that this Gas Pipe and air hose are connected modulator, be connected in the gas burner again, wear rotary valve in the hollow pedestal of this modulator, top at rotary valve is fixed with handle, has up-small and down-big shoulder hole in this hollow pedestal, this shoulder hole top is provided with relative combustion gas air admission hole and combustion gas venthole, is provided with air inlet hole and venthole below shoulder hole; The hollow pipe below of this rotary valve is provided with the arcuation valve, this arcuation valve rotationally covering is on the air inlet hole of hollow pedestal, the side of hollow pipe respectively semi-ring be provided with respect to the combustion gas air admission hole of hollow pedestal and the isometrical air admission hole and the convergent venthole of combustion gas venthole, on hollow pipe, be equiped with a plurality of O type rings; The combustion gas air admission hole of this hollow pedestal connects Gas Pipe, and the combustion gas venthole connects the gas burner, and the air admission hole of this hollow pedestal connects air blast, and venthole connects the gas burner.