CN107014213A

CN107014213A - Heat accumulating type used for industrial furnace impacts heat transfer unit (HTU)

Info

Publication number: CN107014213A
Application number: CN201710257939.XA
Authority: CN
Inventors: 项玮
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-04-19
Filing date: 2017-04-19
Publication date: 2017-08-04
Anticipated expiration: 2037-04-19
Also published as: CN107014213B

Abstract

Heat transfer unit (HTU), including gas treatment equipment are impacted the invention discloses heat accumulating type used for industrial furnace, exhaust pipe and air blowing pipeline are separately positioned on bleeding point and the gas outlet of gas treatment equipment；On exhaust pipe, set first, second to be evacuated branch road respectively, on air blowing pipeline, first, second air blowing branch road is set respectively；First pumping branch road and the first air blowing branch road, the second pumping branch road and the second air blowing branch road are connected under slave mode with first, second heat storage respectively, pipeline behind first, second heat storage sets opening respectively, is used as the outlet or the mouth blown of air inlet of pumping.Heat accumulating type high speed impact heat transfer industrial furnace of the present invention, flue gas passes through the heat exchange of heat storage, makes full use of heat energy, while the temperature of the flue gas heated by heat storage is still adapted to be sprayed directly on in heated work pieces to be added, directly heats workpiece, significantly improve heat transfer coefficient；The efficiency of heating surface is significantly improved, 20% even more high is further added by the basis of original heat-accumulation combustion, moreover it is possible to improve the uniformity.

Description

Heat accumulating type used for industrial furnace impacts heat transfer unit (HTU)

Technical field

The present invention relates to the appurtenances of Industry stove, in particular by the work as fuel such as natural gas, liquefied gas Industry stove impacts heat transfer unit (HTU) with heat accumulating type.

Background technology

Using the industrial furnace of natural gas, coal gas or fuel oil as fuel, its operation principle is to place heated work pieces to be added In burner hearth, heat temperature raising reaches the temperature of technological requirement, insulation or samming.In heating process, generally believe that heat transfer has three The form of kind：Radiation, convection current and conduction heating.

Cold stage at the beginning of heating, mainly by convection heat transfer' heat-transfer by convection, substantially without radiant heat transfer, or radiant heat transfer effect Very poor, the heat-exchange capacity that this stage is placed in burner hearth between heated work pieces to be added and furnace gas is poor, causes the efficiency of heating surface very low. Convection heat transfer' heat-transfer by convection poor ability at the beginning of just because of heating, by taking Industrial Furnaces for Forging as an example, its efficiency of heating surface is very low, generally 10% Within, some or even only 3-5%, energy waste is serious；After heat storage type combustion, the thermal efficiency improves left to 30-50% The right side, greatly improved the thermal efficiency, but substantially achieved the heat-accumulating industrial furnace used heat limit rate of recovery, then improve at this stage The efficiency of heating surface is difficult.

Temperature is higher during due to fuel combustion, as Flame of Natural Gas reaches more than 2000 DEG C, and the flame of such high-temperature is such as Fruit is directly sprayed onto in heated work pieces to be added, can burn out workpiece, workpiece softening or partial melting etc. produce inside workpiece structure Even its related performance indicators is greatly lowered in undesirable change, influence performance, so being that flame must be avoided to be directly sprayed onto is to be added The means that convection heat transfer' heat-transfer by convection is improved in heated work pieces, therefore in existing technology are few.Here it is cold stage convection heat transfer' heat-transfer by convection is heated Efficiency very low main cause.

Although now high velocity burner can be used, the flame of high velocity burner must avoid being directly sprayed onto to be heated It is general to get up using by work support to be heated away from flame on workpiece.For high temperature furnace, generally using the side of parallel shafting Formula, they all directly or indirectly reduce convection heat transfer' heat-transfer by convection effect, and convective heat-transfer coefficient is still very low, causes the heat time longer, fire Material consumes more etc..

How in the case where thermal-flame is not directly sprayed onto in heated work pieces to be added, convective heat-transfer coefficient is improved, significantly The efficiency of heating surface of industrial furnace is improved, to shorten the heat time, reduce fuel consumption, improve the uniform of temperature and gas in burner hearth Degree, is the technical barrier that this area is urgently wanted to solve.

The content of the invention

The present invention in heating process, because convective heat-transfer coefficient is low, causes the efficiency of heating surface for industrial furnace in the prior art It is relatively low, extend the heat time, increase fuel consumption etc. deficiency increase substantially the used for industrial furnace of the efficiency of heating surface there is provided a kind of Heat accumulating type impacts heat transfer unit (HTU).

Technical scheme：Heat accumulating type used for industrial furnace impacts heat transfer unit (HTU), it is characterised in that：Including being carried out to gas The gas treatment equipment of pressurization, exhaust pipe and air blowing pipeline are separately positioned on bleeding point and the gas outlet of gas treatment equipment； On exhaust pipe, set first to be evacuated branch road and the second pumping branch road respectively, on air blowing pipeline, set first to blow respectively Branch road and the second air blowing branch road；First pumping branch road and the first air blowing branch road all connect under slave mode with the first heat storage respectively It is logical, the first opening is provided with the pipeline behind the first heat storage, the outlet or the mouth blown of air inlet of pumping is used as；Second takes out Gas branch road and the second air blowing branch road are all connected under slave mode with the second heat storage respectively, on the pipeline behind the second heat storage The second opening is provided with, the outlet or the mouth blown of air inlet of pumping is used as.

Further feature is：Nozzle is set in the first opening and the second opening, the cross section of nozzle is gradually reduced.

Described slave mode, is to be evacuated branch road, the second pumping branch road and the first air blowing branch road, the second air blowing branch first Control valve is set respectively on road, to every branch road of break-make, air inlet all the way, the circulating line of another road exhaust is formed.

On every branch line, automatic diverter valve and/or hand control valve are set respectively.

Automatic diverter valve linkage on two or four branch roads is set, while generation is acted, while control two or four The break-make of branch road.

On pipeline between the first opening and the first heat storage, the first plenum chamber is set, stored in the second opening and second On pipeline between hot body, the second plenum chamber is set.

On pipeline between the first opening and the first heat storage, or on the first plenum chamber, supplement blast tube is set； On pipeline between the second opening and the second heat storage, or on the second plenum chamber, supplement blast tube is set.

Additional-air inlet pipeline is set on exhaust pipe.

Concurrent heating burner is additionally provided with, concurrent heating burner is respectively communicated with the first opening or the second opening, set on concurrent heating burner Fuel-feed pipe and combustion-supporting gas enter pipe, under slave mode by the fuel of needs, combustion-supporting gas respectively from fuel-feed Pipe and combustion-supporting gas are passed through in concurrent heating burner into pipe, then are passed through in burner hearth.

The gas treatment equipment is two, and First gas treatment equipment is to connect with second gas treatment equipment, Exhaust pipe is connected at the import of First gas treatment equipment, and the pipeline of the outlet of First gas treatment equipment directly connects Connect the import of second gas treatment equipment, the outlet connection air blowing pipeline of second gas treatment equipment；Or First gas The outlet of body processing unit is first coupled to gas storage cavity, the import connection gas storage chamber of second gas treatment equipment Body, the outlet connection air blowing pipeline of second gas treatment equipment.

Present invention heat accumulating type impact heat transfer unit (HTU) used for industrial furnace, relative to prior art, with following feature：

1st, flue gas passes through the heat exchange of heat storage, makes full use of heat energy, while the temperature of the flue gas heated by heat storage is still fitted Conjunction is sprayed directly on in heated work pieces to be added, directly heats workpiece, significantly improves the efficiency of heating surface.

2nd, the flue gas accelerated is forced by blower fan, burner hearth is blown at a high speed from inlet nozzle, forced convertion is directly being sprayed at a high speed In heated work pieces to be added while heated partses, and pressure agitaion is produced, significantly improve convective heat-transfer coefficient.

3rd, blow to burner hearth at a high speed from inlet nozzle, produce and force agitaion, improve the uniform of temperature and gas in burner hearth Degree, to the heating of workpiece evenly.

4th, the present invention makes full use of heat storage as heat-exchange medium, heats flue gas by heat storage, utilizes to greatest extent The heat that burning is produced, significantly improves the efficiency of heating surface；Meanwhile, high-temperature flue gas is simultaneously sprayed directly on to thermal technology to be added by forced convertion On part, convective heat-transfer coefficient is significantly improved；Experiment proves that, the efficiency of heating surface of the invention, on original heat storage type combustion basis On improve 20% even more high again, say without exaggeration that, be an important breakthrough.

5th, by carrying out concurrent heating to heat smoke, i.e., a small amount of heat is added in heat smoke, a small amount of heat can be by fuel Burning or electrical heating are provided, the purpose is to improve after heat storage the temperature of heat smoke and adapted to fire box temperature, are being improved pair The uniformity is improved while stream ability.

Brief description of the drawings

Fig. 1 is heat accumulating type impact heat transfer unit (HTU) structural representation used for industrial furnace of the invention；

Fig. 2 is heat accumulating type impact heat transfer unit (HTU) second embodiment structural representation used for industrial furnace of the invention；

Fig. 3 is heat accumulating type impact heat transfer unit (HTU) 3rd embodiment structural representation used for industrial furnace of the invention.

Embodiment

As shown in figure 1, heat accumulating type impact heat transfer unit (HTU) used for industrial furnace of the invention, including gas is pressurizeed to improve stream The gas treatment equipment 1 and gas of speed enter the exhaust pipe 2 and gas exhaust gas disposal apparatus 1 of gas treatment equipment 1 Air blowing pipeline 3, exhaust pipe 2 and air blowing pipeline 3 are separately positioned on the air inlet and exhaust outlet of gas treatment equipment 1, gas Processing unit 1 is exactly blower fan（Air blower）Deng to gas progress pressurized treatments, to improve the flow velocity of gas in air blowing pipeline 3.

On exhaust pipe 2, two pumping branch roads, i.e., the first pumping pumping branch road 5 of branch road 4 and second are set respectively； On air blowing pipeline 3, two air blowing branch roads, i.e. the first air blowing branch road 6 and the second air blowing branch road 7 are set respectively；First pumping branch road 4 Control valve is respectively arranged with the first air blowing branch road 6, is all connected under slave mode with the first heat storage 8, the first heat storage 8 The first opening 9 is provided with pipeline below, the outlet or the mouth blown of air inlet of pumping is used as；Second pumping branch road 5 and the Control valve is respectively arranged with two air blowing branch roads 7, is all connected under slave mode with the second heat storage 10, after the second heat storage 10 The second opening 11 is provided with the pipeline in face, the outlet or the mouth blown of air inlet of pumping is used as.During work, in control valve action Under, first the 9, second opening 11 of opening, the mouth blown of outlet or air inlet alternately as pumping.

In order to improve gas injection speed, first opening 9 and second opening 11 on set nozzle 12, nozzle 12 it is transversal Area is gradually reduced, and forms necking effect to improve flow velocity, forms high speed spout, from the interior gas velocity sprayed of nozzle 12 more Height, is directly injected in heated work pieces to be added.The preferred structure of nozzle 12 is circular, and cross section is diminishing coniform.From spray The gas that mouth 12 sprays, will generally reach more than 80 meter per seconds, the low effect of speed is not good, speed too high noisy is too big, preferably Scheme is the meter per second of 150 meter per seconds -200, forms swiftly flowing air-flow.

On pipeline between the first opening 9 and the first heat storage 8, the first plenum chamber 13 is set, in the second 11 Hes of opening On pipeline between second heat storage 10, the second plenum chamber 14 is set, and the structure of the first plenum chamber 13 and the second plenum chamber 14 can With identical, main function is the cross-sectional area for increasing pipeline before the first opening 9 and the second opening 11, or the horizontal stroke before nozzle 12 Sectional area, forms static pressure, is sprayed at a high speed beneficial to being formed.

The slave mode of the present invention, is in the first pumping pumping of branch road 4 and second branch road 5, the first air blowing branch road 6 and second Control valve is set respectively on air blowing branch road 7, to control the first pumping branch road 4 and the second pumping branch road 5, the first air blowing branch road 6 With the pipeline break-make of the second air blowing branch road 7, air inlet all the way, the circulating line of another road exhaust are formed；Shown in figure, taken out first On the pumping of gas branch road 4 and second branch road 5, the first air blowing branch road 6 and the second air blowing branch road 7, the He of hand control valve 16 is set respectively Automatic diverter valve 17, hand control valve 16 and the cascaded structure of automatic diverter valve 17, hand control valve 16 are used for people when needed The manually operated control of work；Automatic diverter valve 17 on two or four branch lines can link setting, such as using magnetic valve or Hydraulic valve etc., while generation is acted, while break-make, so that commutation is accurate, it is ensured that the circulation canal for forming flow of flue gas is Can.

On pipeline between the first opening 9 and the first heat storage 8, or on the first plenum chamber 13, supplement combustion gas is set Passage 18, opens supplement blast tube 18, a small amount of fuel is supplemented into the pipeline, added on a small quantity in heat smoke when needed Fuel, the temperature and fire box temperature for improving heat smoke is adapted to, and the convection current ability of gentle high temperature section in can improving improves uniform Degree.On pipeline between the second opening 11 and the second heat storage 10, or on the second plenum chamber 14, supplement blast tube is set 18, supplement blast tube 18 is opened when needed, and a small amount of fuel is supplemented into the pipeline.

In addition, after the longer heat time, or after fire box temperature is higher, the temperature of heat storage itself is higher, causes The gas temperature for entering gas treatment equipment 1 from exhaust pipe 2 is higher, and the normal of gas treatment equipment 1 may be influenceed to use, this Invention sets additional-air inlet pipeline 20 on exhaust pipe 2, additional-air inlet pipeline 20 is opened when needed, into exhaust pipe 2 Supplements cold, to reduce the temperature of gas in exhaust pipe 2, with protective gas processing unit 1.Certainly, filled in gas treatment Put also needed on 1 set safety exhaust pipeline, open when needed, by the gas in gas treatment equipment 1 or air blowing pipeline 3 to Outer discharge, plays a part of pressure release.

The use state schematic diagram of heater of the present invention as depicted, heater of the invention is arranged on industrial furnace Cavity formation burner hearth 31 in the middle of body 30, industrial furnace body 30, heated work pieces to be added are placed in burner hearth 31 and are heated up. On burner hearth 31, two openings are set, the first fire door 32 and the second fire door 33, the first fire door 32 and the second fire door 33 respectively with burner hearth 31 connections, the first opening 9 and the second opening 11 are separately positioned on the first fire door 32 and the second fire door 33, after sealing one of them During as air inlet, another is then as exhaust outlet, intake and exhaust in turn respectively, respectively with the exhaust pipe 2 of gas treatment equipment 1 Connected with air blowing pipeline 3, form circulation loop, form the intake and exhaust circulation canal of flue gas in burner hearth 31.

The heat accumulating type used for industrial furnace impact heat transfer unit (HTU) of the present invention, in burner burning, the industry of industrial furnace body 30 During heated work pieces to be added in burner hearth 31 and burner hearth 31, gas treatment equipment 1 is opened, and adjusts the control valve on pipeline, by stove The flue gas of higher temperature in thorax 31 is discharged from the second opening 11, by the second heat storage 10, into taking out for gas treatment equipment 1 Air pipe 2, after the pressurized treatments of gas treatment equipment 1, the high-speed gas discharged from air blowing pipeline 3 are in air blowing pipeline 3, through the One heat storage 8 enters burner hearth 31 from the first 9 high speeds of opening, forms high-speed impact convection heat transfer' heat-transfer by convection, high velocity air is directly sprayed onto stove In heated work pieces to be added in thorax 31, convection heat transfer' heat-transfer by convection efficiency is improved；The control valve on pipeline is adjusted, gas phase answers reverse flow, stove The flue gas of higher temperature in thorax 31 is discharged from first the 9, first heat storage 8 of opening, into the exhaust pipe of gas treatment equipment 1 2, after the pressurized treatments of gas treatment equipment 1, the high-speed gas from the discharge of air blowing pipeline 3 are in air blowing pipeline 3, through the second accumulation of heat Body 10 enters burner hearth 31 from the second 11 high speeds of opening, forms high-speed impact convection heat transfer' heat-transfer by convection, high velocity air is directly sprayed onto burner hearth 31 In interior heated work pieces to be added, convection heat transfer' heat-transfer by convection efficiency is improved.During the industrial combustion heating of furnace body 1, the first heat storage 8 and Pipeline where two heat storage 10, respectively alternately as air inlet, gas exhaust piping, the first opening 9 and the second opening 11 respectively as The flue gas air inlet of burner hearth 31, it is vented out, the heat storage that high-temperature flue gas passes through on the pipeline carries out heat exchange, regenerator temperature height And accumulation of heat（The temperature of flue gas is reduced simultaneously, and flue-gas temperature is minimum to 100 DEG C or so）, other in which mouthful will be through gas treatment It is heated after heat storage of the gas on by the pipeline after the pressurized treatments of device 1, the elevated flue gas of temperature is through this mouthful of high speed Into burner hearth 31, high-speed impact convection heat transfer' heat-transfer by convection is formed；Under the control action of control valve, the first heat storage 8 and the second accumulation of heat Pipeline where body 10, respectively alternately as air inlet, gas exhaust piping, air inlet and exhaust in turn forms flow of flue gas in burner hearth 31 Circulation canal.

The present invention, by the pipeline where the first heat storage 8 and the second heat storage 10, the first heat storage 8 and the second accumulation of heat Body 10 is absorbed heat and heat release in turn as medium, two heat storages, and a heat for absorbing the high-temperature flue gas discharged from burner hearth 31 is stored up Exist on heat storage, gas temperature is lowered into pressurized treatments in gas treatment equipment 1；At the pressurization of gas treatment equipment 1 Flue gas after reason, when flowing through second heat storage（Now the heat storage is in the condition of high temperature）, reheating flue gas, formation high temperature, High flow rate（High pressure）Gas injection in burner hearth 31, act directly in heated work pieces to be added, significantly improve convective heat-transfer coefficient； Especially during high temperature is increased to from low temperature, heat accumulating type impact heat transfer is formed, many times of convective heat-transfer coefficient is improved, significantly Improve the efficiency of heating surface；Experiments verify that, the efficiency of heating surface of the invention, on the basis of traditional heat-accumulation combustion stove, at least can again by The efficiency of heating surface improves 20%, even more high.

The first heat storage 8 and the second heat storage 10 of the present invention, is arranged in pairs, there is passage and heat that supplied gas passes through in it Exchange media, can use the heat storage of heat-accumulation combustion stove in the prior art, be not described further herein as prior art. According to actual needs, if industrial furnace is multiple, or on same industrial furnace, more than one bleeding point and air blowing are set Mouthful, then multichannel first can be set to be evacuated branch road, the second pumping branch road and first on exhaust pipe 2 and air blowing pipeline 3 and blown Branch road and the second air blowing branch road, provide flue gas, or pass through one to same industrial furnace to multiple industrial furnaces simultaneously with the present apparatus Bleeding point and the pumping of inflatable mouth multichannel and air blowing more than individual, form the peripheral passage of flue gas, each recycle.

In second of example structure of the invention shown in Fig. 2, no longer introduced with Fig. 1 identicals part, its distinctive points It is as follows：It more than two, or two, is cascaded structure, First gas treatment equipment 101 and in figure that gas treatment equipment 1, which is, Two gas treatment equipments 102 are series connection, and exhaust pipe 2 is connected at the import of First gas treatment equipment 101, First The pipeline of the outlet of gas treatment equipment 101 is directly connected to the import of second gas treatment equipment 102, second gas treatment The outlet connection air blowing pipeline 3 of device 102；Or the outlet of First gas treatment equipment 101 is first coupled to gas storage chamber Body 103, gas is passed through in gas storage cavity 103 and cached；The import connection gas storage of second gas treatment equipment 102 Cavity 103, the outlet connection air blowing pipeline 3 of second gas treatment equipment 102；Also difference is that supplement blast tube 18 is gone back It can be passed directly into burner hearth 31, directly supplement a certain amount of combustion gas as required into burner hearth 31.

As shown in figure 3, the third example structure of the present invention, is no longer introduced, its distinctive points is such as with Fig. 1 identicals part Under：There is provided concurrent heating burner 21, concurrent heating burner 21 is respectively communicated with the first opening 9 or the second opening 11, set on concurrent heating burner 21 Fuel-feed pipe 22 is put and combustion-supporting gas enters pipe 23, by the fuel of needs, combustion-supporting gas respectively from combustion under slave mode Material feed pipe 22 and combustion-supporting gas are passed through in concurrent heating burner 21 into pipe 23, then respectively from the first opening 9 or the stream of the second opening 11 Enter burner hearth.

On burner hearth 31, can also be provided with control valve lose heart pipeline, it is necessary to when open pressure release, it is ensured that inner of the boiler chamber gas Pressure is normal, plays safety effect.

Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention rather than restriction technologies side Case, although the present invention is described in detail with reference to preferred embodiment by applicant, one of ordinary skill in the art should manage Solution, those modify or equivalent substitution to technical scheme, without departing from the objective and scope of the technical program, It all should cover among scope of the presently claimed invention.

Claims

1. heat accumulating type used for industrial furnace impacts heat transfer unit (HTU), it is characterised in that：Including the gas treatment equipment pressurizeed to gas （1）, exhaust pipe（2）With air blowing pipeline（3）It is separately positioned on gas treatment equipment（1）Bleeding point and gas outlet；In pumping Pipeline（2）On, set first to be evacuated branch road respectively（4）With the second pumping branch road（5）, in air blowing pipeline（3）On, is set respectively One air blowing branch road（6）With the second air blowing branch road（7）；First pumping branch road（4）With the first air blowing branch road（6）Respectively in slave mode Under all with the first heat storage（8）Connection, the first heat storage（8）The first opening is provided with pipeline below（9）, it is used as pumping Outlet or the mouth blown of air inlet；Second pumping branch road（5）With the second air blowing branch road（7）Respectively all with second under slave mode Heat storage（10）Connection, the second heat storage（10）The second opening is provided with pipeline below（11）, it is used as the outlet of pumping Or the mouth blown of air inlet.

2. heat accumulating type used for industrial furnace impacts heat transfer unit (HTU) according to claim 1, it is characterised in that：In the first opening（9）With Second opening（11）Upper setting nozzle（12）, nozzle（12）Cross section be gradually reduced.

3. heat accumulating type used for industrial furnace impacts heat transfer unit (HTU) according to claim 1, it is characterised in that：Described slave mode, It is to be evacuated branch road first（4）, second pumping branch road（5）With the first air blowing branch road（6）, the second air blowing branch road（7）It is upper to set respectively Control valve is put, to every branch road of break-make, a road direction burner hearth is formed（31）Gas, another road are inside blown into by burner hearth（31）Interior gas The circulating line of extraction.

4. heat accumulating type used for industrial furnace impacts heat transfer unit (HTU) according to claim 3, it is characterised in that：In every branch line On, automatic diverter valve is set respectively（17）And/or hand control valve（16）.

5. heat accumulating type used for industrial furnace impacts heat transfer unit (HTU) according to claim 4, it is characterised in that：On two or four branch roads Automatic diverter valve（17）Linkage is set, while generation is acted, while controlling the break-make of two or four branch roads.

6. heat transfer unit (HTU) is impacted according to any heat accumulating type used for industrial furnace of claim 1-5, it is characterised in that：Opened first Mouthful（9）With the first heat storage（8）Between pipeline on, set the first plenum chamber（13）, in the second opening（11）With the second accumulation of heat Body（10）Between pipeline on, set the second plenum chamber（14）.

7. heat accumulating type used for industrial furnace impacts heat transfer unit (HTU) according to claim 6, it is characterised in that：In the first opening（9）With First heat storage（8）Between pipeline on, or the first plenum chamber（13）On, supplement blast tube is set（18）；Opened second Mouthful（11）With the second heat storage（10）Between pipeline on, or the second plenum chamber（14）On, supplement blast tube is set（18）.

8. heat transfer unit (HTU) is impacted according to any heat accumulating type used for industrial furnace of claim 1-5, it is characterised in that：In exhaust tube Road（2）Upper setting additional-air inlet pipeline（20）.

9. heat accumulating type used for industrial furnace impacts heat transfer unit (HTU) according to claim 6, it is characterised in that：It is also provided with concurrent heating burner （21）, concurrent heating burner（21）With the first opening（9）Or second opening（11）It is respectively communicated with, concurrent heating burner（21）It is upper to be provided with fuel Feed pipe（22）Enter with combustion-supporting gas and manage（23）, the fuel of needs, combustion-supporting gas are entered from fuel respectively under slave mode Expects pipe（22）Enter with combustion-supporting gas and manage（23）It is passed through concurrent heating burner（21）It is interior, then it is passed through burner hearth（31）It is interior.

10. heat transfer unit (HTU) is impacted according to any heat accumulating type used for industrial furnace of claim 1-5, it is characterised in that：The gas Processing unit（1）It is two, First gas treatment equipment（101）With second gas treatment equipment（102）It is series connection, pumping Pipeline（2）It is connected to First gas treatment equipment（101）Import at, First gas treatment equipment（101）Outlet Pipeline is directly connected to second gas treatment equipment（102）Import, second gas treatment equipment（102）Outlet connection blow Air pipe（3）；Or First gas treatment equipment（101）Outlet be first coupled to gas storage cavity（103）, second gas Body processing unit（102）Import connection gas storage cavity（103）, second gas treatment equipment（102）Outlet connection Air blowing pipeline（3）.