CN1123731C - Baking apparatus using gas - Google Patents

Baking apparatus using gas Download PDF

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Publication number
CN1123731C
CN1123731C CN95108313A CN95108313A CN1123731C CN 1123731 C CN1123731 C CN 1123731C CN 95108313 A CN95108313 A CN 95108313A CN 95108313 A CN95108313 A CN 95108313A CN 1123731 C CN1123731 C CN 1123731C
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CN
China
Prior art keywords
burner
tube burner
coal gas
baking
supply pipe
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
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CN95108313A
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Chinese (zh)
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CN1123387A (en
Inventor
石渡一年
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Naigai Industries Inc
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Naigai Industries Inc
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Filing date
Publication date
Priority claimed from JP6155868A external-priority patent/JP2718895B2/en
Priority claimed from JP7111958A external-priority patent/JPH08303724A/en
Application filed by Naigai Industries Inc filed Critical Naigai Industries Inc
Publication of CN1123387A publication Critical patent/CN1123387A/en
Application granted granted Critical
Publication of CN1123731C publication Critical patent/CN1123731C/en
Anticipated expiration legal-status Critical
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    • A—HUMAN NECESSITIES
    • A21—BAKING; EDIBLE DOUGHS
    • A21B—BAKERS' OVENS; MACHINES OR EQUIPMENT FOR BAKING
    • A21B1/00—Bakers' ovens
    • A21B1/02—Bakers' ovens characterised by the heating arrangements
    • A21B1/24—Ovens heated by media flowing therethrough
    • A21B1/28—Ovens heated by media flowing therethrough by gaseous combustion products
    • A—HUMAN NECESSITIES
    • A21—BAKING; EDIBLE DOUGHS
    • A21B—BAKERS' OVENS; MACHINES OR EQUIPMENT FOR BAKING
    • A21B1/00—Bakers' ovens
    • A21B1/42—Bakers' ovens characterised by the baking surfaces moving during the baking
    • A21B1/46—Bakers' ovens characterised by the baking surfaces moving during the baking with surfaces suspended from an endless conveyor or a revolving wheel
    • A—HUMAN NECESSITIES
    • A21—BAKING; EDIBLE DOUGHS
    • A21B—BAKERS' OVENS; MACHINES OR EQUIPMENT FOR BAKING
    • A21B3/00—Parts or accessories of ovens
    • A21B3/04—Air-treatment devices for ovens, e.g. regulating humidity

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Gas Burners (AREA)
  • Fluidized-Bed Combustion And Resonant Combustion (AREA)
  • Combustion Of Fluid Fuel (AREA)

Abstract

To prevent the deterioration of temperature and humidity in a calcination chamber, which is accompanied by the introduction of outside air, by a method wherein only the necessary amount of secondary air is supplied into the gas burner of a gas calcination device. A burner tube in a calcination chamber is constituted of a burner tube main body 25 and a secondary air supplying tube 30, receiving the burner tube main body 25 and supplying secondary air. Air, supplied into the secondary air supplying tube 30, is discharged out of a flame guide slot 31 through the vinicity of the gas injecting slit 26 of the burner tube main body 25. According to this method, only the necessary amount of secondary air can be supplied to the gas burner. On the other hand, secondary air is supplied into the gas injecting slit 26 from both sides thereof whereby stabilized combustion can be obtained while the burner tube main body 25 is cooled by the secondary air whereby the thermal strain of the burner tube main body 25 can be reduced.

Description

Use the apparatus for baking of coal gas
The present invention relates to a kind of apparatus for baking that uses coal gas, more particularly, is wherein to have the baking vessel of one group of tube burner to adopt coal gas to toast the apparatus for baking of bread and cake with one.
The apparatus for baking of the use coal gas of many known types is arranged, and wherein, gas burner is arranged in baking vessel.A kind of fixed apparatus for baking is arranged, and wherein, the material that is toasted keeps motionless when baking; With a kind of apparatus for baking of rotary type, wherein, when toasting, the material that is toasted is placed on the rotating shelf; The apparatus for baking that also has a kind of channel-type, wherein, when baking, the material that is toasted is placed on the conveyer, and the material that will be toasted is sent to its outlet from the inlet of baking vessel.
Fig. 1 is the sectional side elevation of the common channel-type bread baking device 100 of a use coal gas.Apparatus for baking 100 comprises a baking vessel 101, one group of cylindrical burner 107 of going up, one group of cylindrical down burner 108, being used between last burner 107 and following burner 108 transmitted the conveyer 106 of bread dough (below be commonly referred to as the material 111 that will toast).
One longitudinal end of baking vessel 101 has a feed end 102, sends into baking vessel 101 at this place's material 111, and baking vessel's 101 another vertical ends are sent end 103, and at this place, baked bread draws off from baking vessel 101.Feed end 102 is sent conveyer 104 to, and the material 111 that is used to pack into is sent end 103 and sent conveyer 105, is used to draw off bread.
By next door, top 113 1With 114 1With next door, bottom 113 2With 114 2 Baking vessel 101 is divided into three regional A, B and C, next door 113 1, 114 1, 113 2With 114 2Be provided with material 111 is transmitted on conveyer 106.
At baking vessel 101 tops one exhaust duct 109 is arranged, be used to discharge the waste gas that produces by gas-fired.By a ventilating fan 110 waste gas is discharged to the outside.
Suitable molded bread dough, promptly material 111 is sent baking vessel 101 by sending conveyer 104 to from feed end 102, is contained in then on the conveyer 106.Material 111 is sent in baking vessel 101 and sends end 103 then.
When material 111 transmits, its burned device 107 or 108 heating.The operation that betides in the baking vessel comprises: at the preheating procedure of regional A, and the most close end of sending in this zone; Roasting procedure in area B; With colouring and drying process in zone C.Finished product is sent from baking vessel sending end 103.
Provide the coal gas gaseous mixture by a pipe burner 107 and following burner 108 on each, but its be by coal gas and an amount of main combustion air (back is called primary air simply) mix produce.The burning of coal gas gaseous mixture is to have the auxiliary combustion air around burner to take place when (back simply is called auxiliary air).When ventilating fan 110 work, discharge by blast pipe 109 by the waste gas that the coal gas mixture combustion is produced.Along with the discharge of waste gas, hold 103 to import baking vessel 101 from sending into end 102 with sending as the fresh air of auxiliary air.
A problem of said structure is, because fresh air imports baking vessel 101, and temperature has wherein been reduced.So its thermal efficiency has also reduced.
In addition, it should be noted that, in the technology of baking bread, must make the humidity in the baking vessel be controlled at a proper level.Because the humidity of baking vessel is that the water vapour that is produced by water vapour and gas-fired from bread dough is determined, so the importing of fresh air makes that baking vessel is inner to become dry.So, be difficult to humidity is controlled at a proper level.
Should be mentioned that and use the large-scale bread baking chamber of coal gas that a large amount of burners is arranged.And the auxiliary air that arrives these burners may be uneven.In this case, the auxiliary air of q.s can both be supplied with, just super amount fresh air must be imported in order to guarantee each burner.So, just produced problem, that is, the temperature in the baking vessel has reduced, and the thermal efficiency has reduced and humidity has also reduced, so, be difficult to humidity is controlled at a proper level.
So, the purpose of this invention is to provide a kind of novel apparatus for baking that uses coal gas, the problem that it is mentioned above eliminating.
Of the present invention another and more specifically purpose provide a kind of apparatus for baking that uses coal gas, wherein, can provide the auxiliary air of a necessary amount equably to burner, improving its thermal efficiency, and the humidity in the baking vessel can be remained on a proper level.
In order to achieve the above object, the invention provides a kind of apparatus for baking that uses coal gas, wherein, in baking vessel, be useful on the tube burner of burning coal gas gaseous mixture, but the coal gas gaseous mixture is mixed with main combustion air by coal gas and produces, wherein, the auxiliary air supply pipe is provided with along each tube burner so that the auxiliary combustion air be fed to each tube burner burner opening near.According to apparatus for baking of the present invention, only the auxiliary air of the amount of being necessary is fed to from the auxiliary air supply pipe near the burner opening of main body of tube burner.So, can realize in baking vessel that high stability burning condition and even temperature distribute.In addition, can prevent the undue decline of humidity in the baking vessel, the baking condition of realizing ideal with activation.The variation that is appreciated that the thermal efficiency that causes because import the caused temperature decline of excessive auxiliary combustion air in baking vessel also can be prevented from.
The invention provides a kind of apparatus for baking that is suitable for toasting bread and cake that uses coal gas, comprising: a baking vessel; One group of last tube burner near the baking vessel top; One group of following tube burner near the baking vessel bottom; One feeds to the pipeline of tube burner with the coal gas gaseous mixture, but the coal gas gaseous mixture is to mix formed by coal gas and main combustion air; One supporting mass between last tube burner and following tube burner, it is equipped with the material that will toast, wherein, one auxiliary air supply pipe is provided with along each tube burner so that the auxiliary combustion air be fed to be formed at the burner opening on the tube burner and following tube burner on each near.According to this aspect of the invention, the baking bread that can realize ideal and the baking condition of cake, the Temperature Distribution in its baking vessel is uniformly, and the humidity in the baking vessel is maintained at a proper level.
In a most preferred embodiment of the present invention, the auxiliary air supply pipe be connected in one with the pipeline that main combustion air is fed to the pipeline shunting of tube burner.According to this structure, the amount that feeds near the auxiliary combustion air of burner opening is determined by the amount of the main combustion air that feeds to this place.That is, the auxiliary combustion air of a necessary amount automatically feed to burner opening near.So, the control that it can easily burn.
The present invention also provides a kind of apparatus for baking that uses coal gas, wherein, in baking vessel, be useful on the tube burner of burning coal gas gaseous mixture, but the coal gas gaseous mixture is mixed by coal gas and main combustion air, each tube burner comprises: a tube burner main body, it has a burner opening, but and supplies and mix formed coal gas gaseous mixture by coal gas and main combustion air.With an auxiliary air supply pipe, it has a flame guide groove, and with the auxiliary combustion air feed to burner opening near.Wherein, the tube burner main body is located in the auxiliary air supply pipe, and burner opening aligns with the flame guide groove side direction of auxiliary air supply pipe, between burner opening and flame guide groove a preset distance is arranged.According to this aspect of the invention, the auxiliary combustion air infeeds from the burner opening both sides of tube burner main body, mixes with the coal gas gaseous mixture that infeeds by the tube burner main body reposefully with activation.Therefore, can realize a more stable burning condition.Be appreciated that because the tube burner main body is exposed in the auxiliary combustion air always to be cooled, therefore can reduce because the thermal stress of the caused tube burner of burning.
Present invention is described below by embodiment and with reference to accompanying drawing.
Fig. 1 is the structural representation of the bread baking device of a common use coal gas;
Fig. 2 is the overall structure figure of the bread baking device of first embodiment of the invention;
Fig. 3 is the top view of the amplification of the first embodiment tube burner;
Fig. 4 is the cutaway view along A-A line among Fig. 3;
Fig. 5 is the overall structure figure of the bread baking device of second embodiment of the invention;
Fig. 6 is the top view of the amplification of the second embodiment tube burner;
Fig. 7 is the cutaway view along A-A line among Fig. 6.
Fig. 2 has shown the overall structure of the bread baking device 1 of first embodiment of the invention.For convenience of description, suppose that this apparatus for baking is suitable for toasting bread.The cutaway view that has shown baking vessel 2 among Fig. 2.Tube burner 3 on one group is arranged at the top near baking vessel 2 1, each tube burner 3 1Length horizontally set with respect to baking vessel 2.In addition, near baking vessel 2 bottoms tube burner 3 under a group is being arranged 2, each time tube burner 3 2Length horizontally set with respect to baking vessel 2.
At last tube burner 3 1With following tube burner 3 2Between a conveyer 4 is arranged, be used to transmit the molded good bread dough 8 of preparing baking.
As baking vessel shown in Figure 1 101, baking vessel's 2 quilts next door (not shown) up and down are divided into three zones; That is, preheating zone A, a bake region B and a colouring and an arid region C.The passage of bread dough 8 is transmitted by described order setting along conveyer 4 in three zones.
The top board of baking vessel 2 has exhaust duct 5, is used to discharge the waste gas that gas-fired produces.One exhaust fan 6 is extracted waste gas and discharge outside the baking vessel 2 out.
Arm 10 by a gas pipe 10 1To each tube burner 3 1With 3 2Supply coal gas.In the upstream of gas pipe 10 safety shut-off valve 11 is arranged, be used for closing a coal gas and a zero adjuster 12 when not using, be used to make gas pressure to keep under atmospheric pressure at device.
The arm 10 of each gas pipe 10 1By a blender 4 and a corresponding tube burner 3 1With 3 2Link to each other.At each arm 10 1On a magnetic valve 13 is arranged.
The arm 15 of blender 14 and air hose 15 1One of link to each other.Each arm 15 1To feed to blender 14 by turbofan 16 inhaled airs.The coal gas that blender 14 will be sent into by gas pipe 10 and by arm 15 1The primary air that infeeds mixes, with a tube burner 3 to correspondence 1With 3 2Infeed the coal gas gaseous mixture.
Arm 15 at each air hose 15 1On a pipe node 17 is arranged.One primary air supply pipe 18 1With an auxiliary air supply pipe 18 2At a pipe node 17 forks.Auxiliary air supply pipe 18 2By a metering-orifice 19 and each tube burner 3 1With 3 2On auxiliary air supply pipe 30 link to each other (Fig. 3).
Air hose 15 has a control valve 20 to be used for control to infeed tube burner 3 1With 3 2Air capacity, with the intensity of adjusting burning and the temperature in the control baking vessel 2.Control valve 20 is by one temperature indicator/controller 21 controls, and temperature indicator/controller 21 is to operate according to the detection signal of the temperature sensor in the baking vessel 2 23.
Fig. 3 and 4 has shown tube burner 3 1(3 2) thin portion structure.Fig. 3 is a tube burner 3 1(3 2) top view, Fig. 4 is its cutaway view.Tube burner 3 1(3 2) comprising a tube burner main body 25, it has the burner opening 26 that is formed at its side.The flame setting that the one burner opening ribbon 27 that is made of one group of ripple book sheet produces when making gas-fired, it is fixed on the burner opening 26 by a pin 28.
Tube burner main body 25 is by a supporting member 29 supportings, and supporting member 29 comprises a plate part 29 1With a sweep 29 2, it is fixed on the support plate 35.
Auxiliary air supply pipe 30 has a square-section, and extend side by side with tube burner main body 25, and by supporting member 29 supportings.Distribution openings 31 is formed at auxiliary air supply pipe 30 1 sides at certain intervals along the length direction of pipe.Each distribution openings 31 is opened to the sweep 29 by auxiliary air supply pipe 30 and supporting member 29 2The auxiliary air that forms distributes passage 32.
At auxiliary air supply pipe 30 roofs 30 1Sweep 29 with supporting member 29 2Between form a slype 33.The setting of slype 33 outlets is the burner openings 26 towards tube burner main body 25.
A fire rod 36 is equipped with in the end that imports near coal gas on tube burner main body 25, is used for a coal gas.On tube burner main body 25, one flame rod 47 is housed, is used to detect coal gas and whether is lighted near its other end.
Provide a high-tension electricity from ignition transformer 37 to fire rod 36, as shown in Figure 2, so that coal gas is lighted.Whether flame rod 47 detects is lighted at tube burner main body 25 end coal gas.When unsuitable igniting took place, a shaped as frame relay 38 was operated cutting out magnetic valve 13, so, guaranteed the safety of installing.
The work of bread baking device is described below with reference to Fig. 2-4.
But the safety shut-off valve 11 of gas pipe 10 is opened to supply coal gas to gas pipe 10.Simultaneously, turbofan 16 is to air hose 15 supply air.So tube burner 3 just makes progress 1With following tube burner 3 2Supply coal gas gaseous mixture.
The air flow that feeds to air hose 15 is corresponding to each tube burner 3 1With 3 2 Arm 15 1Each arm 15 1Be further divided into primary air pipe 18 at a pipe node 17 1With auxiliary air pipe 18 2By with auxiliary air pipe 18 2On metering-orifice 19 resistances be adjusted into a suitable value and adjust ratio between primary air and the auxiliary air flow.Usually, the flow of auxiliary air is adjusted into and is lower than 1/6 of primary air flow.
Primary air pipe 18 1 Air flow blender 14, at this place, air mixes with the coal gas of being supplied by gas pipe 10.So the coal gas gaseous mixture that is produced feeds to each upper and lower tube burner 3 1With 3 2 Main body 25.
Feed to auxiliary air pipe 18 2Air lead to the auxiliary air supply pipe 30 that is provided with along tube burner main body 25.
As shown in Figure 4, the air that feeds to auxiliary air supply pipe 30 distributes passage 32 by entering auxiliary air along the distribution openings 31 of auxiliary air supply pipe 30 length settings at certain intervals.Air is discharged to the outside after by the ribbon 34 that is contained in slype 33 inboards.Distribute in the passage 32 by the auxiliary air that is in that imports by 30 supplies of auxiliary air supply pipe, and the air outside after by ribbon 34, being discharged to, at the longitudinal extent of whole tube burner main body 25, the air of an even amount is discharged from slype 33 outlets.
Particularly, the outlet of slype 33, that is, the outlet of auxiliary air is provided with towards the burner opening 26 of tube burner main body 25.So at the whole longitudinal extent of tube burner main body 25, the auxiliary air of an even amount feeds to burner opening 26.
The coal gas gaseous mixture of discharging from the burner opening 26 of tube burner main body 25 with become after auxiliary air by 30 supplies of auxiliary air supply pipe mixes flammable.When fire rod point coal gas gaseous mixture, burning has begun.
Describe below and how to use device baking bread of the present invention.One pallet 7 that the bread dough 8 that will toast is housed imports baking vessel 2 from sending into the end (not shown), and is contained on the conveyer 4.
Identical with the front with reference to the described method of Fig. 1, when the bread dough/pasta on the conveyer 4 from sending into end to sending end when transporting, preheating procedure, roasting procedure and colouring and drying process carry out in zone separately.
The second embodiment of the present invention is described below.Fig. 5 has shown the overall structure of the bread baking device 50 of second embodiment of the invention.In Fig. 5, the parts identical with device feature among Fig. 2 are marked with identical label, and have omitted the description to it.Device 50 is identical with device 1 basically, has only provided last tube burner 60 1With following tube burner 60 2, replace tube burner 3 1With following tube burner 3 2
Fig. 6 and 7 has shown tube burner 60 1(60 2) thin portion structure.Fig. 6 is a tube burner 60 1(60 2) top view, Fig. 7 is its cutaway view.Tube burner 60 1(60 2) comprising: a tube burner main body 62, it has a burner opening 66 that is formed at the side; With an outer tube 61, it has held tube burner main body 62.The burner opening ribbon 65 that is made of one group of corrugated book sheet makes the flame setting that is produced when gas-fired, it is fixed in the burner opening 66 of tube burner main body 62 by a pin 67.
On outer tube 61, longitudinally form a flame guide groove 64.With predetermined space four screws 68 are arranged along outer tube 61 circumference 1-68 4, it can mesh with bolt 63, and tube burner main body 62 is fixing on the throne.
Tube burner main body 62 and outer tube 61 respectively with blender 14 and auxiliary air supply pipe 18 2Link to each other, as shown in Figure 5.The tube burner main body 62 and outer tube 61 other ends seal.
Shown in Fig. 6 and 7, tube burner main body 62 is located among the outer tube 61, so that the flame guide groove 64 that extends laterally of outer tube 61 aims at burner opening 66, and a preset distance is arranged between them.
With the screw 68 on the bolt 63 insertion outer tubes 61 1-68 4In, and make bolt 63 tube burner main body 62 be fixed (only having shown a bolt 63 among Fig. 7) on the throne with nut 69 engagements.One support plate 45 is contained on the outer tube 61 that has held tube burner main body 62.By support plate 45 being contained on the installed part (not shown) in the baking vessel 2, and outer tube 61 is fixing on the throne.
Fire rod 36 is contained on the outer tube 61, near the end of coal gas importing.Flame rod 47 is contained on the outer tube 61, near its other end.
The operation of fire rod 36 and flame rod 47 is identical with first embodiment, so omitted the description to it.
The operation of apparatus for baking 50 is described below with reference to Fig. 5-7.
The safety shut-off valve 11 of gas pipe 10 is opened, but to gas pipe 10 supply coal gas.Simultaneously, turbofan 16 work are with the air-supplied pipe 15 of air.So tube burner 60 makes progress 1With following tube burner 60 2Supply coal gas gaseous mixture.
Feed to air flow and each tube burner 60 of air hose 15 1With 60 2Corresponding arm 15 1Each arm 151 further diverges at a pipe node 17 and is primary air pipe 18 1With auxiliary air pipe 18 2With auxiliary air pipe 18 2The resistance of metering-orifice 19 be adjusted into a suitable value, thereby can adjust the ratio between primary air and the auxiliary air flow.Usually, the flow of auxiliary air is adjusted to and is lower than 1/6 of primary air flow.
At primary air pipe 18 1In air flow blender 14, at Qi Chu, air mixes with coal gas by gas pipe 10 supply.So the coal gas gaseous mixture that is produced is fed to each upper and lower tube burner 60 1With 60 2Main body 62.
Flow to auxiliary air pipe 18 2Air feed to the outer tube 61 that accommodates tube burner main body 62.
As shown in Figure 7, near the air that feed to the tube burner main body in the outer tube 61 62 can flow to flame guide groove 64 by the burner opening 66 of tube burner main body 62.Auxiliary air impels the gas-fired at burner opening 66 places of tube burner main body 62.By this way, each burner 60 1With 60 2Be provided with the auxiliary air of even amount.
Because auxiliary air infeeds from burner opening 66 both sides, shown in arrow among Fig. 7, auxiliary air is mixed stably with the coal gas gaseous mixture that is infeeded by tube burner main body 62.So, can realize high stability burning.
When the coal gas gaseous mixture when auxiliary air by outer tube 61 supply mixes, comprise primary air and coal gas and just become flammable from the coal gas gaseous mixture of burner opening 66 discharges of tube burner main body.By the formed coal gas gaseous mixture of spark ignition of fire rod 36 generations, so burning has begun.
Because the operation of apparatus for baking 50 is identical with apparatus for baking 1, be described so no longer how apparatus for baking 50 is toasted bread.
According to embodiments of the invention, be supplied near the burner opening of tube burner main body for the necessary auxiliary air of the gas-fired in the baking vessel of apparatus for baking.By this way, can prevent that excessive fresh air from importing baking vessel, and only supply a burning necessary auxiliary air amount.Because for the auxiliary air amount of supplying a necessity auxiliary air channel is set on each tube burner, so it can form a stable fired state.So, can improve regulation rate (TDR; Ratio between maximum ignitable fuel and the minimum ignitable fuel), can carry out a burning control on a large scale thus.The present invention can make burning take place equably in tube burner, has an even temperature to distribute with activation each zone in baking vessel.Flow into baking vessel because can prevent excessive fresh air, descend so can prevent excessive temperature.So can prevent thermal efficiency variation, and humidity can be remained on certain level.
Particularly, the advantage of second embodiment is, because center on the passage of the space of tube burner main body 62 as auxiliary air, so tube burner main body 62 is cooled off by auxiliary air.This has one well to reduce because the effect of the thermal stress that burning causes on tube burner.
Be appreciated that the present invention has guaranteed to have the high temperature and the high humidity baking state of desirable baking bread and cake in apparatus for baking, and compare that fuel consumption has reduced 30-40% with common device.
What top embodiment described is the apparatus for baking of channel-type, and the present invention also can be applicable to the apparatus for baking of fixed apparatus for baking or rotary type.
It should be noted that, the structure of above-described embodiment is that auxiliary air supply pipe and outer tube are connected in primary air is fed to the pipeline that the pipeline of tube burner main body branches away, and auxiliary air supply pipe or outer tube also can be connected in the air supply pipe that is independent of the primary air supply pipe.
The present invention can have many modification, all among spiritual scope of the present invention.

Claims (5)

1. apparatus for baking that is suitable for toasting bread and cake that uses coal gas comprises:
One baking vessel;
Tube burner on one group, it is near the top of described baking vessel;
Tube burner under one group, it is near the bottom of described baking vessel;
The port that each top tube and down tube burner has the book sheet to constitute can make the flame setting,
One is used for the coal gas gaseous mixture is fed to the pipeline of described tube burner, but the coal gas gaseous mixture is mixed by coal gas and main combustion air;
One supporting mass, between tube burner and the following tube burner, it is equipped with the material that will toast on described;
It is characterized in that: be provided with the auxiliary air supply pipe along each tube burner, described auxiliary air supply pipe has one group of air distribution openings with an arranged at predetermined intervals;
Also has an auxiliary combustion air distribution channel, it leads to described port, so that the auxiliary combustion air supplies from described auxiliary air supply pipe, then from described auxiliary air combustion air distribute passage to feed to be formed at each described go up burner opening on tube burner and the following tube burner near.
2. the apparatus for baking of use coal gas as claimed in claim 1 is characterized in that: described auxiliary air supply pipe is connected in a pipeline, and this pipeline is to branch away from the pipeline that main combustion air is fed to described tube burner.
3. the apparatus for baking of use coal gas as claimed in claim 1 is characterized in that: described auxiliary air supply pipe is connected in a pipeline, and this pipeline is to branch away from main combustion air being fed to the described pipeline of going up tube burner and following tube burner.
4. apparatus for baking that uses coal gas wherein, is provided with the tube burner of the coal gas gaseous mixture that is used to burn in baking vessel, the coal gas gaseous mixture is mixed by incendivity gas and main combustion air,
Each described tube burner comprises:
One tube burner main body, it has a burner opening, but and the coal gas gaseous mixture that mixes by coal gas and main combustion air of supply;
One auxiliary air supply pipe, it has a flame guide groove, and with the auxiliary combustion air feed to described burner opening near;
It is characterized in that: the main body of described tube burner is located among the described auxiliary air supply pipe, aims at the flame guide groove of described auxiliary air supply pipe at the described burner opening of side direction, between described burner opening and flame guide groove a preset distance is arranged.
5. the apparatus for baking of use coal gas as claimed in claim 4 is characterized in that: described auxiliary air supply pipe is connected with a pipeline, and this pipeline is to branch away from the pipeline that main combustion air is fed to described tube burner.
CN95108313A 1994-07-07 1995-07-06 Baking apparatus using gas Expired - Lifetime CN1123731C (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP155868/1994 1994-07-07
JP6155868A JP2718895B2 (en) 1994-07-07 1994-07-07 Gas firing equipment
JP155868/94 1994-07-07
JP7111958A JPH08303724A (en) 1995-05-10 1995-05-10 Gas calcination device
JP111958/95 1995-05-10
JP111958/1995 1995-05-10

Publications (2)

Publication Number Publication Date
CN1123387A CN1123387A (en) 1996-05-29
CN1123731C true CN1123731C (en) 2003-10-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN95108313A Expired - Lifetime CN1123731C (en) 1994-07-07 1995-07-06 Baking apparatus using gas

Country Status (3)

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KR (1) KR0151792B1 (en)
CN (1) CN1123731C (en)
TW (1) TW282394B (en)

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KR960003580A (en) 1996-02-23
KR0151792B1 (en) 1998-09-15
TW282394B (en) 1996-08-01
CN1123387A (en) 1996-05-29

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