CN202928349U - Series-connection industrial furnace - Google Patents

Series-connection industrial furnace Download PDF

Info

Publication number
CN202928349U
CN202928349U CN 201220554796 CN201220554796U CN202928349U CN 202928349 U CN202928349 U CN 202928349U CN 201220554796 CN201220554796 CN 201220554796 CN 201220554796 U CN201220554796 U CN 201220554796U CN 202928349 U CN202928349 U CN 202928349U
Authority
CN
China
Prior art keywords
independent
flue
stove
furnace
gas passage
Prior art date
Application number
CN 201220554796
Other languages
Chinese (zh)
Inventor
赵树壮
赵磊
赵天赐
Original Assignee
赵树壮
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 赵树壮 filed Critical 赵树壮
Priority to CN 201220554796 priority Critical patent/CN202928349U/en
Application granted granted Critical
Publication of CN202928349U publication Critical patent/CN202928349U/en

Links

Abstract

The utility model relates to a series-connection industrial furnace which comprises independent furnaces, an air inlet, flues, an upper gas channel, a lower gas channel, a fuel pipeline and a waste gas emission pipeline. A preheating wind channel is composed of furnace tops, furnace walls and furnace bottoms of the independent furnaces with hollow structures, at least two independent furnaces are connected in series, and the connection manner includes that a flue of a previous independent furnace is connected with a combustion chamber of a rear independent furnace through the lower gas channel, a hearth of the previous independent furnace is connected with the combustion chamber of the rear independent furnace through the upper gas channel, or the previous independent furnace is simultaneously connected with the combustion chamber of the rear independent furnace through the lower gas channel and the upper gas channel. The series-connection industrial furnace does not need an air blower and an exterior nozzle, combustion air enters into the combustion chamber through the lower gas channel, the upper gas channel and the preheating wind channel, and the series-connection industrial furnace not only saves energy, but also is not limited by the high temperature to use high temperature air. The series-connection industrial furnace is a furnace between a batch-type furnace and a continuous furnace.

Description

A kind of series connection industrial furnace
Technical field
The utility model belongs to the firing equipment technical field, relates to a kind of industrial furnace, relates in particular to a kind of series connection industrial furnace between batch (-type) stove and continous way stove.
Background technology
Industrial furnace is the main equipment of metallurgy, machinery, chemical industry, building material industry heating or calcining, is divided into two large classes by mode of operation; One class is the batch (-type) stove, mainly comprises down-draft kiln, shuttle kiln, drawer kiln, batch-type furnace, shaft furnace, reverberatory furnace, tank furnace and crucible furnace etc.Another kind of is the continous way stove, mainly comprises tunnel cave, rotary kiln, shaft furnace and annular kiln.Two class stoves respectively have pluses and minuses.The batch furnace kiln owner wants that characteristics are independent stove, intermittent operation, equipment is simple, accident rate is low and technique is flexible, is suitable for many variety production, and its deficiency is to take full advantage of accumulation of heat and the fume afterheat that has burnt stove, and production capacity is low, and energy consumption is high.The characteristics of continous way stove are that technique is steady, production capacity is high, gas and the heat exchange of material antikinesis abundant, be applicable to industrial production in enormous quantities; Its deficiency is complex structure, and auxiliary device is many, card, extension, ring formation, stops with accident rate highly, and investment is large, maintenance cost is high, and operation easier is large, and power consumption is large, and area of dissipation is large, and air leak rate of air curtain is high, and total energy consumption is high and technological flexibility is poor.
Above-mentioned two class stoves adopt the solid wall structure, and many with material, accumulation of heat is large, rapid heat dissipation, and easy scaling loss, service life of equipment is short.Combustion fan, airduct, burner, heat exchanger that stove uses mostly are metal structure, and resistant to elevated temperatures degree is limited, can not directly use high temperature combustion supporting air, and impact takes full advantage of waste heat, are not suitable for speed and burn and high-temperature technology.Stove mostly is many burners mode of heating, is difficult to accomplish the wind combustion of a plurality of burners than strict coupling, and around burner, office's cloth temperatures involved stove bulk temperature evenly distributes, and reduces kiln top, wall and whole stove and must use body life time.Shell adopts the iron sheet formed steel construction more, rapid heat dissipation, and cost is high.
Summary of the invention
For overcoming the deficiencies in the prior art, the utility model provides a kind of series connection industrial furnace, have the characteristics of batch (-type) stove and continous way stove concurrently, the employing different process is worked continuously, particularly take full advantage of the accumulation of heat and the fume afterheat that have burnt stove, reduce energy consumption and production cost, increase economic efficiency.
The utility model series connection industrial furnace comprises independent stove, lower gas passage, upper gas passage, fuel channel and exhaust emission pipe.Stove is provided with burner hearth, flue and combustion chamber separately.At least two independent stoves are connected in series, connected mode is: the flue of previous independent stove is wherein leaded up to lower gas passage and is connected with the combustion chamber of a rear independent stove, previous independent stove burner hearth is connected with the combustion chamber of a rear independent stove by upper gas passage, or previous independent stove flue wherein leads up to lower gas passage and is connected with the combustion chamber of a rear independent stove, and previous independent stove burner hearth is connected with the combustion chamber of a rear independent stove by upper gas passage simultaneously.The combustion chamber is connected with burner hearth, fuel channel, lower gas passage and upper gas passage, and each pipeline is respectively equipped with valve.Another road of flue is connected with exhaust emission pipe, and connecting pipe is provided with valve.
Be provided with lower fire hole, branch flue and flue at the bottom of the kiln of stove separately, burner hearth is communicated with branch flue by lower fire hole, and branch flue is connected with lower gas passage by flue, and lower gas passage is communicated with the combustion chamber of a rear independent stove.
The series connection industrial furnace is that annular arrangement or chain are arranged, and is connected in series for split between stove separately or disjunctor is connected in series.The kiln body is stationary kiln bottom structure, trolley structure or pond formula structure.Be provided with chassis at the bottom of the trolley structure kiln, chassis is provided with lower fire hole, branch flue and flue, and burner hearth is connected with flue by lower fire hole, the branch flue of chassis, and flue is connected with lower gas passage.The series connection industrial furnace is provided with the flue gas endless tube, and the flue of each independent stove is divided into two-way, and one the tunnel connects with lower gas passage, another road is connected with the flue gas endless tube, each connecting pipe is provided with valve, and the flue gas endless tube is provided with valve, and the valve on the flue gas endless tube is between each independent stove.Stove is down-draft kiln, shuttle kiln, drawer kiln, tank furnace, pot furnace, reverberatory furnace, batch-type furnace, shaft furnace or bell furnace separately, does not get rid of other stove.Be hollow-core construction at the bottom of Yao Ding, the Yao Bi of stove and kiln separately.Stove is provided with air inlet separately, is provided with pre-hot blast passage at the bottom of Yao Ding, the Yao Bi of stove and kiln separately, and air inlet is connected with the combustion chamber by pre-hot blast passage.
The utility model series connection industrial furnace is divided into two large classes: split series connection stove and disjunctor series connection stove, three kinds of series connection forms comprise lower connection, upper connection, mixed connection, multiple combination.Split series connection stove is cascaded for the several independent stove that separates, disjunctor series connection stove for share wall or wall abut against together several independent stove string together.It is 2 to 500 not wait that the independent stove of series connection is counted number of units.Lower connection refers to that the flue of front stove is communicated with the combustion chamber of rear stove, and upper connection refers to that the burner hearth of front independent stove is communicated with the combustion chamber of rear independent stove, and mixed connection is above-mentioned two kinds and shares.Multiple combination refers to the number combining form different with the position of the stove of pre-hot blast passage two connection, combining form comprises: independent stove connects that an independent stove, independent stove connect a plurality of independent stoves, a plurality of independent stove connects an independent stove or a plurality of independent stove connects a plurality of independent stoves, adjacent independent stove is communicated with, the series connection stove that the independent stove in one, interval or several independent stoves are communicated with.The series connection stove has the advantage of batch (-type) stove and continous way stove concurrently, takes full advantage of the accumulation of heat and the fume afterheat that burn stove and material.
At the bottom of series connection industrial furnace self heat transmission equipment is the stove of hollow-core construction, wall and top, air enters the combustion chamber by hollow passageway, has both reclaimed waste heat, has reduced again the temperature of the end, wall, roof, plays the integrally-built effect of protection stove.The utility model need not air blast, wind-force conveying equipment and burner, and combustion air enters the combustion chamber by self heat transmission equipment passage, and is not only energy-conservation but also be not subjected to high temperature limit to use high temperature air.
The utility model series connection industrial furnace is used for the burning till of calcining/electroceramics, refractory product of refractory material, the carbon that buries of carbon product burns till and sponge iron production.Result of implementation shows, the accumulation of heat of having burnt stove can be preheated to combustion air 800~1350 ℃, and flue gas can will treat that the firing stove is preheated to 800~1300 ℃, and after igniting, 2-4 hours temperature can rise to 1500~1700 ℃.Calcining or firing rate are fast, and alumina firebrick was produced one day or two days (making a fire the time) burns a stove product, burn a kiln product in the fastest 19 hours, and the ton product energy consumption all in 200 ㎏, comprises burning till of carbon product, saves energy 50%-80%.
The utility model series connection industrial furnace is in the same place the independent stove string more than two or two by upper gas passage and lower gas passage, realize gas and material antikinesis, with the material that is heated of the flue gas of the independent stove in front, the independent stove in hot-air preheating back.Each stove can adopt different process and keep continuous and stable production, at the bottom of the kiln of air by brick hollow-core construction, the preheating gas passage on wall, top obtains preheating and protection stove.The utility model combustion air enters the combustion chamber by lower gas passage, upper gas passage and pre-hot blast passage, need not air blast, airduct and burner, save equipment investment, operating cost and maintenance cost, be conducive to reduce the production cost of product to be processed, realize the energy-efficient effect of multifunctional high-temperature speed burning.
Description of drawings
Fig. 1 is the utility model series connection industrial furnace structural representation;
Fig. 2 is the structural representation of another embodiment of the utility model;
Fig. 3 is the structural representation of the utility model the 3rd embodiment;
Fig. 4 is the combustion chamber schematic diagram;
Fig. 5 is the schematic diagram of chain series connection industrial furnace;
Fig. 6 is the connection diagram of the utility model the 4th embodiment.
Wherein
1-fuel channel, 2-combustion chamber, 3-upper gas passage, 4-lower gas passage, 5-air inlet, 6-burner hearth, 7-pre-hot blast passage, 8-lower fire hole, 9-branch flue, 10-flue, 11-valve, 12-flue gas endless tube, 13-exhaust pipe, 14-chassis, 15-independent stove.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is elaborated.
Embodiment 1
The utility model series connection industrial furnace as shown in Figure 1, comprises independent stove 15, air inlet 5, lower fire hole 8, branch flue 9, flue 10, upper gas passage 3, lower gas passage 4, fuel channel 1 and exhaust emission pipe 13.Stove is provided with burner hearth 6 and combustion chamber 2 separately, and the combustion chamber is positioned at the headwall of burner hearth.Be hollow-core construction at the bottom of Yao Ding, the Yao Bi of stove and kiln separately, be provided with pre-hot blast passage 7 at the bottom of the Yao Ding of hollow-core construction, Yao Bi and kiln.Burner hearth is communicated with branch flue by lower fire hole, and branch flue is connected with lower gas passage by flue, and lower gas passage 4 is connected with combustion chamber 2.As shown in Figure 5,8 independent stove 15 disjunctors are connected in series, and are the chain arrangement form, and the flue 10 of previous independent stove is connected with the combustion chamber 2 of a rear independent stove by lower gas passage 4.Previous independent stove burner hearth 6 is connected with the combustion chamber 2 of a rear independent stove by upper gas passage 3.As shown in Figure 4, combustion chamber 2 is connected with burner hearth 6, fuel channel 1, lower gas passage 4 and upper gas passage 3, and each pipeline is respectively equipped with valve 11.Another road of flue is connected with exhaust emission pipe 13, and connecting pipe is provided with valve.
The running of the utility model series connection industrial furnace is, air has burnt by one or several and has entered the independent stove 15 that is burning after independent stove preheating and burn with fuel mix, the flue gas after burning by one or several after burning independent stove to emit heat to exhaust emission pipe 13 dischargings.
To be heated material and insert the heating of burner hearth inner sealing.Fuel gas enters combustion chamber 2 through fuel channel 1, combustion air one tunnel enters the combustion chamber through air inlet 5 and pre-hot blast passage 7, the lower gas passage 4 of another road independent stove stove through the front enters combustion chamber 2, then the one tunnel upper gas passage 3 through the independent stove in front enters the combustion chamber.Fuel is in combustion chambers burn, material in the flue gas burner hearth.Add flue gas after thermal material through upper gas passage and lower gas passage to the combustion chamber of next independent stove, the material in next independent stove burner hearth is carried out preheating.
Embodiment 2
Another embodiment of the utility model is the split connect in series structure as shown in Figure 2.From a distance, connect with lower gas passage 4 by upper gas passage 3 between two independent stoves 15, upper and lower gas passage is provided with valve.Other structure and the operation of the present embodiment are identical with embodiment 1.
Embodiment 3
The third embodiment of the utility model as shown in Figure 3, is trolley structure at the bottom of the kiln of stove separately, and chassis 14 is provided with lower fire hole 8, branch flue 9, flue 10 and wheel.Burner hearth is connected with lower gas passage 4 by lower fire hole, branch flue 9 flues 10 of chassis.To be heated material and be placed on chassis, push burner hearth, adjust the position, the flue 10 of chassis is communicated with lower gas passage 4.During operation, high-temperature flue gas enters the combustion chamber 2 of next independent stove by the lower fire hole 8 on chassis, branch flue 9, flue 10 and lower gas passage 4.Other structure and the operation of the present embodiment are identical with embodiment 1.
Embodiment 4
The utility model the 4th embodiment as shown in Figure 6, the series connection industrial furnace is provided with flue gas endless tube 12, the flue 10 of each independent stove is divided into two-way, one the tunnel connects with lower gas passage 4, another road is connected with flue gas endless tube 12, each connecting pipe is provided with valve 11, and the flue gas endless tube is provided with valve 11, and the valve on the flue gas endless tube is between each independent stove.By adjusting flue gas endless tube and each valve, realize the combination different with the position of independent stove number.Connected mode is divided: two independent stoves are connected, and an independent stove connects a plurality of independent stoves, and a plurality of independent stoves connect an independent stove, and a plurality of independent stoves connect a plurality of independent stoves, and adjacent independent stove is connected, and one, interval or several independent stoves connect.The series connection stove has the advantage of batch (-type) stove and continous way stove concurrently, takes full advantage of the accumulation of heat and the fume afterheat that burn independent stove and material.

Claims (9)

1. series connection industrial furnace, comprise independent stove (15), lower gas passage (4), upper gas passage (3), fuel channel (1) and exhaust emission pipe (13), stove is provided with burner hearth (6) separately, flue (10) and combustion chamber (2), it is characterized in that: at least two independent stoves are connected in series, connected mode is: the flue of previous independent stove (10) is wherein leaded up to lower gas passage (4) and is connected with the combustion chamber (2) of a rear independent stove, previous independent stove burner hearth is connected with the combustion chamber (2) of a rear independent stove by upper gas passage (3), or previous independent stove flue (10) is wherein leaded up to lower gas passage (4) and is connected with the combustion chamber (2) of a rear independent stove, previous independent stove burner hearth is connected with the combustion chamber (2) of a rear independent stove by upper gas passage (3) simultaneously, described combustion chamber (2) is connected with burner hearth (6), fuel channel (1), lower gas passage (4) and upper gas passage (3), and each pipeline is respectively equipped with valve (11), another road of described flue is connected with exhaust emission pipe (13), and connecting pipe is provided with valve.
2. series connection industrial furnace according to claim 1, it is characterized in that: be provided with lower fire hole (8), branch flue (9) and flue (10) at the bottom of the kiln of described independent stove, described burner hearth (6) is communicated with branch flue by lower fire hole, branch flue is connected with lower gas passage by flue, and lower gas passage is communicated with the combustion chamber of a rear independent stove.
3. series connection industrial furnace according to claim 1, it is characterized in that: described series connection industrial furnace is that annular arrangement or chain are arranged, and is connected in series for split between described independent stove (15) or disjunctor is connected in series.
4. series connection industrial furnace according to claim 1, it is characterized in that: described independent kiln (15) body is stationary kiln bottom structure, chassis (14) structure or pond formula structure.
5. series connection industrial furnace according to claim 4, it is characterized in that: be provided with chassis (14) at the bottom of described trolley structure kiln, described chassis is provided with lower fire hole (8), branch flue (9) and flue (10), described burner hearth is connected with flue by lower fire hole, the branch flue of chassis, and flue is connected with lower gas passage.
6. series connection industrial furnace according to claim 1, it is characterized in that: described series connection industrial furnace is provided with flue gas endless tube (12), the flue of each independent stove (10) is divided into two-way, one the tunnel is connected with lower gas passage (4), another road is connected with flue gas endless tube (12), each connecting pipe is provided with valve (11), and the flue gas endless tube is provided with valve, and the valve on the flue gas endless tube is between each independent stove.
7. series connection industrial furnace according to claim 1, it is characterized in that: described independent stove is down-draft kiln, shuttle kiln, drawer kiln, tank furnace, pot furnace, reverberatory furnace, batch-type furnace, shaft furnace or bell furnace.
8. series connection industrial furnace according to claim 1, is characterized in that: be hollow-core construction at the bottom of the Yao Ding of described independent stove, Yao Bi and kiln.
9. according to claim 1 or 8 described series connection industrial furnaces, it is characterized in that: described independent stove is provided with air inlet (5), be provided with pre-hot blast passage (7) at the bottom of Yao Ding, the Yao Bi of stove and kiln separately, described air inlet (5) is connected with the combustion chamber by pre-hot blast passage (7).
CN 201220554796 2012-10-26 2012-10-26 Series-connection industrial furnace CN202928349U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220554796 CN202928349U (en) 2012-10-26 2012-10-26 Series-connection industrial furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220554796 CN202928349U (en) 2012-10-26 2012-10-26 Series-connection industrial furnace

Publications (1)

Publication Number Publication Date
CN202928349U true CN202928349U (en) 2013-05-08

Family

ID=48218303

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220554796 CN202928349U (en) 2012-10-26 2012-10-26 Series-connection industrial furnace

Country Status (1)

Country Link
CN (1) CN202928349U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102878808A (en) * 2012-10-26 2013-01-16 赵树壮 Series connection industrial kiln
CN103727784A (en) * 2014-01-17 2014-04-16 武汉理工大学 System energy saving method for domestic ceramic oxygen-enriched combustion shuttle kiln
CN104848688A (en) * 2015-04-20 2015-08-19 中国石油大学(华东) Smokeless cabinet type high temperature furnace
CN108895851A (en) * 2018-05-31 2018-11-27 湖南省长宁炭素股份有限公司 A kind of smoke evacuation system of carbon calcination single-unit furnace

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102878808A (en) * 2012-10-26 2013-01-16 赵树壮 Series connection industrial kiln
CN103727784A (en) * 2014-01-17 2014-04-16 武汉理工大学 System energy saving method for domestic ceramic oxygen-enriched combustion shuttle kiln
CN104848688A (en) * 2015-04-20 2015-08-19 中国石油大学(华东) Smokeless cabinet type high temperature furnace
CN104848688B (en) * 2015-04-20 2017-03-15 中国石油大学(华东) Smokeless box-type high-temperature furnace
CN108895851A (en) * 2018-05-31 2018-11-27 湖南省长宁炭素股份有限公司 A kind of smoke evacuation system of carbon calcination single-unit furnace

Similar Documents

Publication Publication Date Title
CN206339094U (en) Heating using microwave produces the product line device of alloy
CN102875036B (en) Heat storage type lime rotary kiln
CN101857383B (en) Beam limekiln
US20160230991A1 (en) Alternate-switching regenerative combustion apparatus and control method therefor
CN101906496B (en) High-blast-temperature hot-blast stove burnt in convection swirling heat storage medium
CN201203263Y (en) Tube arranging type hot-air stove
CN202581336U (en) Heat-storage combustion device
CN102207286B (en) Low-heating-value gas burner
CN203432300U (en) Hot air circulation device of tunnel kiln
CN203432296U (en) Energy-saving ceramic kiln
CN101921073B (en) Method and machine for producing lime
CN102607267A (en) Regenerative high-temperature air combustion energy-saving environment-friendly shuttle-type kiln
CN203518564U (en) Novel environment-friendly rotary energy-saving kiln
CN105039738B (en) Crude copper fire refining furnace and process
CN202660889U (en) Liquid deslagging high-temperature oriented silicon steel walking beam type slab heating furnace
CN101726187B (en) Single preheating, sintering, igniting and heat insulating furnace
CN102701608A (en) Limekiln coproduction device
CN103436684A (en) Heat-accumulating billet heating furnace
CN205347481U (en) Coal -based direct reduction stove
CN201158686Y (en) Heat accumulation type steel wire heat treatment furnace
CN204514035U (en) Double heat storage type gas heating furnace
CN202066385U (en) Novel waste heat recovery and use device
CN101832708A (en) Heat storage immersed isothermal smelting furnace
CN103088178B (en) Blast furnace hot-blast stove flue gas self-circulation combustion method and system
CN105423750A (en) Aluminum melting furnace

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130508

Termination date: 20141026