CN106931795A

CN106931795A - A kind of new gas industry stove heating means

Info

Publication number: CN106931795A
Application number: CN201511002789.5A
Authority: CN
Inventors: 赵联众
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-12-29
Filing date: 2015-12-29
Publication date: 2017-07-07

Abstract

A kind of new gas industry stove heating means, the stove body of its feature including pressure-bearing and can closed door to atmospheric isolation, combustion apparatus, exhaust smoke hole and its relief valve and smoke discharging pipe, safety valve, pressure or temperature controller (containing instrument)；Through the flame in pressure (or temperature) controller setting stove, the ceiling value of flue gas normal pressure and lower limit value (or temperature)；It is built-in with heated material when stove runs, door be closed and and atmospheric isolation, when pressure of the produced hot gas of burning in kiln reaches the ceiling value of normal pressure, burner is stopped or reduces combustion intensity, relief valve opens a part of hot gas of discharge, and when pressure drops to lower limit value, relief valve is closed, burner operation increases combustion intensity, and such mode is to being heated material heating until heating is completed.UTILIZATION OF VESIDUAL HEAT IN and blowdown apparatus are may also set up in stove fume extractor.This method can show puts energy resource consumption when reduction stove is heated, and improves the performance of enterprises and reduces to the discharge amount of pollution of air.

Description

A kind of new gas industry stove heating means

Art

The present invention relates to the heating means of gas industry stove, including pressure-bearing stove body and its can closed door to atmospheric isolation, combustion apparatus, exhaust smoke hole and its relief valve and smoke discharging pipe, safety valve, pressure or temperature controller (containing instrument)；Through the flame in pressure (or temperature) controller setting stove, the ceiling value of flue gas normal pressure and lower limit value (or temperature)；It is built-in with heated material when stove runs, door be closed and and atmospheric isolation, when pressure of the produced hot gas of burning in kiln reaches the ceiling value of normal pressure, burner is stopped or reduces combustion intensity, relief valve opens a part of hot gas of discharge, and when pressure drops to lower limit value, relief valve is closed, burner operation increases combustion intensity, and such mode carries out heating until heating tasks are completed to being heated material.UTILIZATION OF VESIDUAL HEAT IN and blowdown apparatus are may also set up in stove fume extractor.This method can significantly reduce energy resource consumption when stove is heated, and improve the performance of enterprises and reduce to the discharge amount of pollution of air, the especially heating means of energy-conservation.

Background technology

At present, the heating means of known various combustion gas (containing gas generator is used) industrial furnace are：Stove is built-in with heated material (being heated workpiece, work base or material), shut stove door, the combustion apparatus work of stove, flame, flue gas produced by burning are heated to the heated material put in stove, wherein, the flue gas for completing heating tasks is to be discharged from fume extractor incessantly or discharged again by after waste heat equipment utilization；Secondly, this common heating means are that the closing of stove body and its door is provided with the degree being sealed to atmospheric isolation；Have again be burning produced by flame, flue gas (referred to as：Hot gas) although produced by pressure belong to normal pressure burning, generally its normal pressure be no more than 1kgf/cm²'s.Although occurring pre-heated or heat-accumulating industrial furnace kiln at present or using other residual heat using devices, but currently known industrial furnace does not have the change that essence occurs in heating means, energy resource consumption during heating cannot significantly decline, in not occurring a kind of operation of stove still especially, when stove is heated to putting heated material in it, stove inside and outside air are the heating means for being in the so a kind of more energy efficient new gas industry stove carried out under state of isolation.

The content of the invention

In order to change general various combustion gas at present (containing the stove with gas generator) industrial furnace operationally, flue gas is that discharge, common heating means are that closings of stove body and its door is not sealed to and the flame and flue gas (abbreviation produced by the degree of atmospheric isolation, burning from fume extractor incessantly：Hot gas) produced by normal pressure be no more than 1kgf/cm²So a kind of significantly confined heating means of traditional energy-conservation, a kind of heating means of new gas industry stove of offer of the invention, BROAD SUMMARY is：Manufacture, the stove body that pressure-bearing is set and can closed stove door to atmospheric isolation, combustion apparatus, exhaust smoke hole and its relief valve and smoke discharging pipe, the safety valve of stove, pressure controller (or temperature controller), pressure and thermometric instrument, through the flame in pressure (or temperature) controller setting stove, the ceiling value of the normal pressure of flue gas and lower limit value (or temperature)；It is built-in with heated material in stove operation, stove door be closed and and atmospheric isolation, when pressure of the produced hot gas of burning in kiln rises to ceiling value (or temperature ceiling value) of set normal pressure, burner is stopped or reduces combustion intensity, a part of hot gas that relief valve is opened, discharged in kiln, when pressure is reduced to lower limit value (or temperature lower limit value) of set normal pressure, relief valve is closed, burner operation increases combustion intensity, and such mode is to being heated material heating until heating tasks are completed.UTILIZATION OF VESIDUAL HEAT IN and blowdown apparatus are may also set up in the fume extractor of stove；If industrial furnace is using gas generator mode, can also be allowed to technical scheme requirement and be adapted, can equally be heated to being heated material using the method for the present invention.

The technical solution adopted for the present invention to solve the technical problems is：Put the stove body of pressure-bearing, the door of stove body is that can be sealed to the stove door with atmospheric isolation when closed, the combustion apparatus and its auxiliary of stove, the exhaust smoke hole of stove, exhaust smoke hole disposes relief valve (dropping valve) and connected smoke discharging pipe, safety valve and pressure controller or temperature controller (containing instrument) are put on stove body, through flame, the flue gas in pressure controller (or temperature) setting stove in burning (referred to as：Hot gas) (pressure maximum limit value or the higher limit for saying Stress control are pressure ceiling value, and the minimum limits value of normal pressure or the lower limit for saying Stress control are pressure low limit value for ceiling value and the lower limit value of normal pressure or temperature；The ceiling value and lower limit value of temperature and the ceiling value of pressure and lower limit value are similarly).It is 1.5kgf/cm that normal pressure is controlled in lower limit value in stove operation, in stove²More than, the ceiling value of normal pressure is 8kgf/cm²Hereinafter, stove is built-in with cold workpiece, cold base or the material of heated normal temperature, can also be equipped with the heated workpiece for being preheated to uniform temperature, blank or material (unified abbreviation：It is heated material).In stove operation, the stove that can seal door and relief valve be closed and and atmospheric isolation, combustion apparatus work, the occurred flame that burns, flue gas are (referred to as：Hot gas) pressure is produced in stove, when hot gas pressure (or temperature) reaches the ceiling value of set pressure (or temperature), combustion apparatus stops burning or reducing combustion intensity immediately, it is small fire combustion system to become big fire combustion system, the relief valve (dropping valve) at stove exhaust smoke hole is opened through pressure controller (or temperature), a part of hot gas is through exhaust smoke hole in stove, smoke discharging pipe is discharged, when hot gas pressure drops to set pressure (or temperature) lower limit value in stove, relief valve (dropping valve) is closed immediately, combustion apparatus ignition operation or increases combustion intensity immediately, it is big fire combustion system to become small fire burning, such mode is heated to being heated material in kiln, until heating tasks without into.When completion is heated, stop the work of combustion apparatus, relief valve open until kiln inner pressure be down to it is consistent with atmospheric pressure, relief valve is closed, stove door is opened, material heated in kiln is taken out using the equipment adaptable with production, instrument or mode, then another or another batch of heated material are conveyed into stove, stove door is closed, stove runs and heated to being heated material by heating means of the present invention again.

UTILIZATION OF VESIDUAL HEAT IN and blowdown apparatus are may also set up in the fume extractor of stove；Stove as long as can adapt to the pressure requirements of this method stove, can also be used, set explosion proof door while safety valve is set, and institute's heat extraction gas can both be discharged through smoke discharging pipe, can also be separately provided fume extractor, can equally be separately provided UTILIZATION OF VESIDUAL HEAT IN or blowdown apparatus；Stove sets or installs the insulation adaptable to production, safety, maintaining and related auxiliary equipment；The structure of stove body, shape are desirable to need adaptable various schemes with production.

If industrial furnace is with gas generator mode, as long as the pressure conveying, the setting of burner in air intake are consistent with the requirement of technical solution of the present invention, can equally be heated to being heated material using heating means of the invention.

The beneficial effects of the invention are as follows changing in currently known various combustion gas (containing the industrial furnace with gas generator mode) industrial furnace runnings that stove body and its situation that the heated material being opposite in kiln is heated not being sealed in the state of the degree with atmospheric isolation when door is closed；Secondly, it is to be discharged by fume extractor incessantly or discharged incessantly by waste heat utilization equipment different from flue gas；Have again is that the pressure that hot gas produced when burning occurs is different from traditional normal pressure not less than 1kgf/cm²Situation, especially this method is that the heating process of stove is that stove inside is carried out in the case of isolation greatly with outside, so as to fundamentally change currently known stove heating means, energy resource consumption when stove is heated can be significantly decreased, it is effectively reduced enterprise's production capacity, the performance of enterprises is improved, and the discharge amount of pollution to air can be greatly reduced.

Specific embodiment

Need to produce and can meet the stove body for bearing certain pressure according to enterprise's productive prospecting, technique, including the door of stove is produced using suitable heat-insulating material, the door can be sealed to when stove runs and atmospheric isolation and bear certain pressure.Open up the exhaust smoke hole (also referred to as relief hole, decompression hole) of stove in the suitable position of stove, at stove exhaust smoke hole set relief valve (dropping valve) and be connected with the outlet of relief valve smoke evacuation, fire (i.e. abbreviation：Hot gas) pipeline, the safety valve for hot gas pressure is put on stove body, the heater gas inlet port of safety valve is connected with kiln burning room (i.e. heating work room), the hot gas outlet of safety valve is connected through auxiliary member with the smoke discharging pipe suitable position of stove, can also be separately provided smoke discharging pipe or set single UTILIZATION OF VESIDUAL HEAT IN and waste removal equipment；The equipment that is connected with safety valve pressure controller (or temperature control) and its instrument valve member, the fuel gas combustion equipment (containing with gas generator) and its auxiliary of stove use the device for adapting to stove bearing requirements, through flame, the flue gas in pressure controller (or temperature) setting stove (referred to as：Hot gas) normal pressure or temperature ceiling value and lower limit value.In stove operation, the controlling value of normal pressure is 1.5kgf/cm in lower limit value in stove²More than, the ceiling value of normal pressure is 8kgf/cm²Below.Need adaptable equipment or the instrument will to need the cold workpiece of heated normal temperature, cold base or material (can also be preheated and reached uniform temperature workpiece, blank or material) (unified referred to as using with production：Be heated material) deliver into stove, closing can bear certain pressure and with the stove of atmospheric isolation door, relief valve is in closed mode, combustor work, and flame, flue gas produced by burning are (referred to as：Hot gas) pressure is produced in stove, hot gas is heated to being heated material, when hot gas pressure (or temperature) reaches the ceiling value of set pressure (or temperature), combustion apparatus stops burning or reducing combustion intensity immediately, it is small fire combustion system to become big fire combustion system, the relief valve of stove is set to open a part of hot gas in kiln discharge side by side through pressure controller (or temperature control), when hot gas pressure is reduced to set pressure (or temperature) lower limit value in stove, relief valve is closed immediately, combustion apparatus closes firer immediately makees or increases combustion intensity, it is big fire combustion system to become small fire combustion system, such mode, go round and begin again and heated to being heated material in stove, until heating tasks are completed.When heating tasks are completed, stop the work of combustion apparatus, open relief valve until kiln inner pressure be down to it is consistent with atmospheric pressure, then the stove door in air-tight state is opened, the heated material that heating tasks have been completed in kiln is taken out using the equipment or instrument adaptable with production, another or another batch of heated material are conveyed into stove again, relief valve is closed and closes stove door (remaining that closing reaches the seal degree with atmospheric isolation), combustion apparatus works and stove runs again and heated material in kiln is heated by heating means of the present invention.

Heating means of the invention, UTILIZATION OF VESIDUAL HEAT IN and blowdown apparatus on stove hot gas are may also set up in the fume extractor of stove, stove is while safety valve is set, as long as adapting to the requirement of stove pressure-bearing, may also set up explosion proof door, explosion proof door institute heat extraction gas can both be discharged through smoke discharging pipe, can also be separately provided smoke discharging pipe, UTILIZATION OF VESIDUAL HEAT IN or blowdown apparatus.Stove body actually using which kind of shape, which kind of mode or whether subsection setup, as long as being adapted and meeting basic demand of the invention and all may be used with enterprise production.

If industrial furnace is using gas generator mode, as long as the pressure conveying, the setting of combustion apparatus in gas can reach the requirement of technical scheme, can equally be heated to being heated material with heating means of the present invention.

The UTILIZATION OF VESIDUAL HEAT IN of various modes or the blowdown apparatus of various modes are set in technical solution of the present invention, different insulation materials, form of security, adaptable maintaining auxiliary, stove body are set to stove using the variously-shaped, form or control system being adapted with Production requirement with micro computer, intellectuality, because coming under what prior art can be realized, therefore not book herein.

Claims

1. a kind of new gas industry stove heating means, its feature includes the stove body of pressure-bearing and its can be sealed to stove door with atmospheric isolation；The combustion apparatus and its auxiliary of stove；The exhaust smoke hole of stove, exhaust smoke hole puts relief valve (dropping valve) and smoke discharging pipe；The safety valve and pressure controller of stove body, pressure and thermometric instrument (may also set up temperature controller)；Through the flame in the stove set by pressure controller or temperature controller, the normal pressure of flue gas or temperature ceiling value and lower limit value (higher limit of pressure maximum limit value or day Stress control be pressure ceiling value, the lower limit of the minimum limits value of pressure or day Stress control is pressure low limit value, and the ceiling value of temperature and lower limit value and pressure ceiling value and lower limit value are similarly)；In stove operation, it is 1.5kgf/cm that the normal pressure in stove is controlled in lower limit value²More than, the ceiling value of normal pressure is 8kgf/cm²Hereinafter, stove firing chamber is built-in with cold workpiece, cold base or the material of heated normal temperature, can also be equipped with heated workpiece, blank or material (the unified abbreviation for being preheated to certain temperature：It is heated material)；When stove runs, the stove door that can be sealed be closed and and atmospheric isolation, combustor (auxiliary equipment containing air-supply) work, the occurred flame of burning, flue gas are (referred to as：Hot gas) pressure is produced in stove, when hot gas pressure or temperature reach the ceiling value of set pressure or temperature, combustion apparatus stops burning or reducing combustion intensity immediately, it is small fire to become big fire, the relief valve (dropping valve) of stove body is opened through pressure controller or temperature controller, a part of hot gas is through exhaust smoke hole in stove, smoke discharging pipe is discharged, when the pressure of hot gas in stove drops to set pressure or temperature lower limit value, relief valve (dropping valve) is closed immediately, combustion apparatus ignition operation or increases combustion intensity immediately, it is big fire combustion system to become small fire, such mode, the heated material in stove is heated again and again, until the heating tasks for being heated material are completed.Stop the work of combustion apparatus when heating tasks are completed, relief valve (dropping valve) open until kiln inner pressure be down to atmospheric pressure it is basically identical untill, open in the stove door of sealed shape, the heated material that heating tasks have been completed in stove is taken out using the equipment, instrument or mode that adapt to, another or another batch of heated material are conveyed into stove again, stove door and relief valve (dropping valve) are closed, stove is heated by heating means of the present invention to being heated material again.Heating means of the invention are included with the industrial furnace of gas generator.

UTILIZATION OF VESIDUAL HEAT IN and blowdown apparatus are may also set up in the fume extractor of stove；Stove sets, installs insulation, safety, maintaining and related auxiliary equipment；Stove body using the variously-shaped, various forms being adapted with enterprise production or with micro computer, intelligentized control method mode, because coming under common prior art in, therefore not book herein.