EP3745866A1 - Four de boulangerie et procédé de production de produits cuits au four - Google Patents

Four de boulangerie et procédé de production de produits cuits au four

Info

Publication number
EP3745866A1
EP3745866A1 EP19701230.5A EP19701230A EP3745866A1 EP 3745866 A1 EP3745866 A1 EP 3745866A1 EP 19701230 A EP19701230 A EP 19701230A EP 3745866 A1 EP3745866 A1 EP 3745866A1
Authority
EP
European Patent Office
Prior art keywords
along
baking
convection
heating module
longitudinal direction
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.)
Withdrawn
Application number
EP19701230.5A
Other languages
German (de)
English (en)
Inventor
Markus BIBARIC
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.)
Haas Food Equipment GmbH
Original Assignee
Haas Food Equipment GmbH
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 Haas Food Equipment GmbH filed Critical Haas Food Equipment GmbH
Publication of EP3745866A1 publication Critical patent/EP3745866A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A21—BAKING; EDIBLE DOUGHS
    • A21B—BAKERS' OVENS; MACHINES OR EQUIPMENT FOR BAKING
    • A21B5/00—Baking apparatus for special goods; Other baking apparatus
    • A21B5/02—Apparatus for baking hollow articles, waffles, pastry, biscuits, or the like
    • A21B5/023—Hinged moulds for baking waffles
    • 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

Definitions

  • the invention relates to an oven and a method according to the preambles of the independent claims.
  • the device according to the invention preferably relates to an industrial oven for the production of baked products, such as an oven for the production of flat wafers or hollow waffles.
  • Such furnaces are designed, for example, as so-called baking tongs machines. These special ovens are up and down along an endless conveyor
  • the baking tongs are usually conveyed continuously through the oven along the endless conveyor. In this case, a baking compound is applied to an unfolded baking tongs. Then the baking tongs
  • Radiant heaters or radiant burners are devices in which a fuel-air mixture, for example in a porous body, preferably in a porous metal or ceramic body, in particular in a metal mesh, a wire mesh or in a metal mesh, is burned substantially free of flames.
  • Radiant heaters generate too little gas or air flow, which is not given sufficient flow through the oven.
  • Radiant heaters are used, and in which a convection fan is provided to generate a sufficient convection flow.
  • a trigger is provided which opens into the oven or branches off from the oven.
  • the confluence of the convection fan outlet, then the heating arrangement and then the trigger are arranged along the longitudinal direction of the baking chamber.
  • the vent and the convection fan outlet are preferably located on opposite sides of the baking chamber. Between the outlet and the convection fan outlet, the radiant heaters are arranged. To increase the efficiency and in particular the throughput of such ovens, it is known to increase the number of baking plates, which at the same time, however, the length of the oven and the amount of heat to be introduced must be increased.
  • Radiant heaters generates a hot gas stream, which acts in a similar manner to a hot air curtain, especially for directed from above the baking tongs radiant heaters.
  • the convection flow is disturbed by this hot cross flow and only the hot exhaust gas of a radiation heater arranged nearer to the exhaust is extracted from the exhaust.
  • Radiation heaters it comes to a heat accumulation and possibly even damage to a so configured baking machine. Increasing the volumetric flow of the convection fan in turn impairs the function of those radiant heaters positioned near the convection fan outlet.
  • the object of the invention is to overcome the disadvantages of the prior art and in particular to solve this conflict of goals.
  • the invention relates to an oven for making baked, preferably edible, products comprising: one along a longitudinal direction
  • a baking mass application area for applying a baking mass an open baking tongs
  • a closing area for closing the baking tongs
  • an elongated baking space extending along the endless conveyor for baking the baked products in the closed baking tongs, wherein at least one heating arrangement for heating the baking tongs located in the baking space is provided in the baking space, an opening area for opening the baking tongs Baking tongs and one
  • Backgateteabe Episode for taking the baked products from the open baking tongs, wherein, viewed along the longitudinal direction, a vent for discharging the combustion chamber gases is provided on one side of the baking chamber, wherein, viewed along the longitudinal direction, on the other side of the baking chamber, a first convection fan outlet to Producing a convection flow extending along the longitudinal direction to the outlet, and wherein a plurality of heating modules of the heating arrangement designed as radiation heating devices are arranged between the first convection fan outlet and the withdrawal along the longitudinal direction.
  • Convection blower outlet is provided for generating a convection flow extending along the longitudinal direction to the trigger.
  • the second convection fan outlet in particular its outflow direction, is aligned along the longitudinal direction of the trigger.
  • the second convection fan outlet in particular its outflow direction, exclusively direction deduction
  • a directional deduction only directional convection fan outlet points towards the trigger, the direction oblique to the longitudinal direction and / or in
  • direction of vent means that the gas exiting the convection fan outlet is by no means directed against the desired convection flow.
  • at least one further heating module is provided, and that provided along the longitudinal direction between the second heating module and the further heating module, a further Konvezzysgebläseauslass to produce along the longitudinal direction extending to the trigger convection is, wherein the further convection fan outlet, in particular its
  • Outflow direction aligned along the longitudinal direction of the trigger or is aligned only in the direction of the trigger.
  • a heating module is provided between the first heating module and the second heating module, in front of which no convection fan outlet is provided.
  • a heating module is provided between the second heating module and the further heating module, in front of which no convection fan outlet is provided.
  • a plurality of heating modules are provided one after the other along the longitudinal direction, and that along the longitudinal direction between the heating modules, a plurality of convection fan outlets are provided for generating a convection flow extending along the longitudinal direction to the exhaust, each aligned along the longitudinal direction of the trigger or the
  • the endless conveyor or at least the
  • Baking tongs run along an upper transport plane, then be deflected in a rear deflection to a running below the upper transport plane, lower transport plane, then continue along the lower transport plane and deflected in a front deflection again to the upper transport plane, and wherein the upper Transport level and the lower
  • Transport level along the longitudinal direction 18 extend.
  • Transport level are provided and from the top to the along the top Transport level arranged baking tongs are directed, or that the first
  • Heating module, the second heating module and optionally provided further heating module between the upper transport plane and the lower transport plane are provided and from the top of the along the lower transport plane
  • baking tongs are directed.
  • two first heating modules namely an upper first heating module and a lower first heating module
  • two second heating modules namely an upper second heating module and a lower second heating module
  • optionally two further heating modules namely an upper further heating module and a lower further Heating module
  • one of the two first, second and optionally further heating modules is provided above the upper transport plane and is directed from above to arranged along the upper transport plane baking tongs
  • the other heating module between the upper transport plane and the lower transport plane is provided and is directed from above on the arranged along the lower transport plane baking tongs.
  • a second lower convection fan outlet is provided between the first lower heating module and the second lower heating module.
  • Heating module and the other upper heating module another upper
  • Convection blower outlet is provided, wherein the further upper
  • Convection fan outlet is provided, the further lower
  • Convection fan outlet in particular its outflow direction, is directed along the longitudinal direction of the trigger.
  • Heating modules omitted. It can also be provided that a convection fan outlet is provided between two lower heating modules, but that the
  • Heating modules omitted.
  • convection fan outlets may be arranged alternately above and below between the respective heating modules.
  • the trigger along through the
  • a regulating arrangement is provided for the separate or group-wise control or regulation of the volume flows output by the convection fan outlets, wherein the regulating arrangement
  • Convection blower outlets comprises output flow rates.
  • one or each convection fan outlet comprises one or more outlet nozzles. If appropriate, it is provided that the volume flow output by the convection fan outlets, if appropriate preheated, ambient air and / or in the oven or befindliches from the
  • Convection fan outlet and optionally provided at least one further convection fan outlet are each connected to a fan arranged outside the baking chamber, wherein the fan ambient air or extracted from the baking chamber baking space gas is supplied.
  • Convection fan outlet and optionally provided at least one further convection fan outlet are each connected to a fan disposed within the baking chamber, acting as a fan, blower, wherein the blower located in the oven backspace gas is supplied.
  • At least one convection heating module is provided.
  • the convection heating module comprises an upper heating module and an associated lower heating module, in particular the second upper heating module and the second lower heating module or the further upper heating module and the further lower heating module.
  • the convection heating module comprises the associated convection fan outlets upstream of the heating modules, and that the convection heating module optionally comprises the fan associated with the convection fan outlets of this convection heating module.
  • the invention relates to a method for producing baked, preferably edible, products in an oven, in which several along an endless conveyor provided openable and closable baking tongs, strung together in particular successively: by a baking mass application area for applying a baking mass to an open baking tongs, by a closing area for Close the
  • Baking room for baking the baked products in the closed baking tongs in which at least one heating arrangement for heating located in the oven
  • Baking tongs is provided, through an opening area for opening the baking tongs, and transported through a baking product removal area for taking the baked products from the open baking tongs, wherein, viewed along the longitudinal direction, on one side of the baking chamber, the combustion chamber gases are discharged through a trigger, wherein viewed along the longitudinal direction, on the other side of the baking chamber through a first convection fan outlet a first
  • Gas volume flow is introduced to form or support a running along the longitudinal direction to the trigger convection in the oven.
  • the baking space gas flowing along the convection flow passes through at least one first heating module and is heated, wherein the baking space gas flowing along the convection flow is admixed by the first heating module with a first heating gas volume flow, then the baking space gas flowing along the convection flow subsequently at least one second convection fan outlet happening along the
  • a second gas volume flow is added to the convection fan outlet, or wherein the baking space gas flowing along the convection flow is conveyed on through the second convection fan outlet, which flows along the convection fan outlet
  • Convection flow flowing baking chamber gas then passes at least a second heating module and is thereby heated, the along the
  • the endless conveyor and the baking tongs are deflected at a rear deflection point arranged in the baking chamber and at a front deflection point arranged away from the baking space in a front head, wherein the baking space is designed as a substantially closed baking space with a heat insulation an entrance opening to the entrance of
  • Baking tongs an outlet opening for the outlet of the baking tongs and a trigger for the discharge of the combustion chamber gases, and wherein at least one convection fan is provided, which opens remote from the trigger into the baking chamber.
  • the baking mass application area the baking mass application area
  • Endless conveyor or at least all arranged on the endless conveyor baking tongs, in particular during the baking operation, are arranged within the baking chamber.
  • a controllable or controllable exhaust fan for extracting the combustion gas is provided by the or a deduction.
  • the invention relates to an oven for producing baked, preferably edible, products, comprising a baking chamber, with a lower
  • Transport level is moved through the lower baking area, and contains the folding and baking tongs.
  • the baking tongs each comprise a top plate arrangement and a bottom plate arrangement, between which in the closed position a baking mold for the baked products is formed.
  • the upper plate arrangement and the lower plate arrangement each have a side facing away from the baking mold
  • the baking tongs are reversed during the transition from the upper transport plane to the lower transport plane, so that arranged in the upper transport plane above the lower plate assembly
  • the invention may preferably have an oven for
  • the locking devices are preferably provided on the baking tongs and operated in or after the closing area.
  • At least one designed as a radiant heater upper heating device and at least one designed as a radiant heater lower heating device are provided, in each of which a
  • Combustion mixture containing primary oxygen and a fuel is burned.
  • the baking mass may have a liquid or a liquid-pasty consistency.
  • the upper heating device is arranged in the upper baking area and above the upper transport plane and for heating the
  • Baking mold is directed from above on the back surface of the top plate assembly.
  • Baking area between the upper transport plane and the lower transport plane is arranged and is directed to heat the baking mold from above on the back surface of the lower plate assembly.
  • the heaters each have a porous body on its underside, in which and / or at the surface of the fuel mixture is burned and is preferably burned substantially free of flames, and that the porous body, for example, a metal mesh, a wire mesh or a metal mesh is or contains.
  • a conveying device such as in particular a blower, is provided for supplying the combustion mixture to a heating device, and that via control and / or regulation of the conveying device, the heating power of the heating device is variable and preferably that the upper heating device with an upper conveyor and the lower heater with a lower one
  • Conveyor is connected so that the heating powers of the upper heater and the lower heater separately from each other changeable, in particular separately controllable or separately controllable, are.
  • a plurality of upper heaters and / or a plurality of lower heaters are provided and preferred that the
  • Heating outputs of the upper heaters and the lower heaters separately variable, in particular separately controllable or separately controllable, are or preferred that the heating powers of two upper heaters separately variable, in particular separately controllable or separately controllable, or preferred that the heating powers of two lower
  • Heating devices separately changeable, in particular separately controllable or separately controllable are.
  • Convection flow direction of the baking chamber gas is arranged away from the heating devices, so that the hot rising baking chamber gas is passed in a horizontal direction through the baking chamber before it exits through the exhaust opening.
  • an upper heating device and a lower heating device are arranged in the region of the rear deflection region of the baking tong chain and / or immediately before and after the rear deflection region.
  • the walls of the baking chamber are completely or partially provided with a thermal insulation.
  • the baking chamber at its bottom in
  • the baking chamber optionally has an opening at the bottom, said opening preferably occupies less than ten percent of the surface of the closed bottom of the oven.
  • the baking chamber comprises a heating zone in which at least one heating device is provided and in which the baking tongs are heated by direct action of the heat radiation of the heating device.
  • the baking chamber comprises a radiation-heating-free zone, in which no direct heating of the baking tongs by the radiation of the heater is provided along the upper transport plane and / or along the lower transport plane and in which moved the baking tongs by the action of convection heat in the convection flow direction be called
  • Combustion gas to be heated Combustion gas to be heated.
  • Radiation heating-free zone of the oven is provided.
  • Combustion chamber in which the or a heating arrangement is provided, and then the deduction are flowed through, in particular between the region of the combustion chamber, in which the or a heating arrangement is provided, and the trigger a
  • the regulating arrangement is also suitable or set up for controlling the baking chamber temperature.
  • the regulating arrangement at least one sensor, such as in particular a temperature sensor, a pressure sensor, a
  • Moisture sensor and / or a sensor for determining a volume flow of the convection flow comprises. If necessary, it is provided that the
  • Regulieran Aunt comprises at least one sensor for controlling the baking tongs temperature, wherein the sensor is preferably designed as a non-contact temperature sensor.
  • the convection fan is a gas blower and in particular an air blower over which controlled convection or controlled gas is introduced, wherein the gas is not the combustion of the fuel of the heating arrangement, but preferably exclusively the generation of a convection.
  • the baking chamber is provided with a thermal insulation.
  • a heating module in particular a spatially delimited, preferably independent, heating device is defined, which can be connected in particular as a single component modular with the oven.
  • a heating module is on
  • Radiant burner or more via a common support frame interconnected radiant burner Preferably, the heating module can be controlled or regulated independently, so that the heating power of the heating module can be adjusted individually.
  • a plurality of heating modules are preferably provided.
  • a convection flow which enables an improved operation of the oven.
  • a convection fan outlet is provided along the convection flow before each heating module. This will cause the transverse flow caused by the heating module not to interfere with the longitudinal convective flow.
  • this can be a
  • each convection fan outlet can be separately controlled or regulated.
  • Each convection fan outlet may include a plurality of outlet nozzles.
  • a convection fan outlet is not arranged in front of each heating module, but only in front of selected heating modules.
  • a heating module may be present, in front of which no separate
  • Convection fan outlet is arranged.
  • a heating module is provided between the first heating module and the second heating module, before no
  • Convection fan outlet is provided.
  • a heating module in front of which no convection fan outlet is provided.
  • volumetric flow controlled such that a continuous, the entire oven through-flowing, in particular constant or accelerating,
  • the convection flow preferably flows through the entire baking chamber over several heating modules and opens into a fume hood.
  • the convection flow preferably flows through the entire oven. As a result, a continuous baking zone with a continuous convection flow is formed.
  • Convection fan outlets are thus all aligned in the direction in which the convection flows.
  • the outlets may be aligned obliquely to the convection flow in all embodiments.
  • the convection fan outlets may each comprise one or more outlet nozzles. Through these outlet nozzles, the direction of the exiting gas can be determined.
  • the baking tongs extend over long distances along an upper and along a lower transport plane.
  • a plurality of heating modules are preferably provided above the upper transport plane and between the upper and the lower transport plane.
  • the heating modules are preferably each directed from above to the corresponding baking tongs or to the corresponding areas in which the baking tongs along the
  • Continuous conveyor to be transported. It is preferably provided that along the longitudinal direction between two heating modules of a transport plane
  • Convection fan outlet is provided.
  • a convection fan outlet acting in convection flow direction.
  • the convection fan outlets are configured to output a volumetric flow to produce a convection flow.
  • Volume flow is preferably provided a fan.
  • volume flow for example, ambient air through the
  • Konvekomsgebläseauslass be issued.
  • the gas located in the baking chamber or gas taken from the baking chamber can also be supplied.
  • a convection fan outlet arranged along the longitudinal direction between two heating modules is formed by a fan which is arranged in the baking chamber.
  • FIGS 1 and 2 show schematic sectional views of two different embodiments of ovens according to the invention.
  • Endless conveyor 1 baking tongs 2, baking mass application area 3, closing area 4, baking chamber 5, opening area 6, baking product removal area 7, heating arrangement 8, convection flow 9, first heating module 10, second heating module 1 1, second
  • Convection fan outlet 14 fume hood 15, first convection fan outlet 16, upper transport plane 17, longitudinal direction 18, rear deflection region 19, lower
  • Transport plane 20 front deflection region 21, regulating arrangement 22, fan 23, convection heating module 24, unheated area 25.
  • FIG. 1 shows a schematic sectional view of an embodiment of a baking oven according to the invention.
  • the oven comprises an endless conveyor 1, on which a plurality of baking tongs 2 are mounted. These baking tongs 2 are made by movement of the endless conveyor 1 successively through a baking mass application area 3 for applying a baking compound to the open baking tongs 2, by a closing area 4 for closing the baking tongs 2, by a baking chamber 5 for baking
  • the endless conveyor 1 and / or the baking tongs 2 extend in the longitudinal direction 18 along an upper transport plane 17 to a rear deflection region 19 in which the endless conveyor 1 and / or the baking tongs 2 are deflected from the upper transport plane 17 to a lower transport plane 20 along the bottom
  • Endless conveyor 1 and the baking tongs 2 are deflected back to the upper transport plane 17.
  • a first convection fan outlet 16 is provided on a side of the baking chamber 5, viewed along the longitudinal direction 18.
  • a trigger 15 is arranged on the other side of the baking chamber 5, viewed along the longitudinal direction 18.
  • Convection flow 9 flows through.
  • the convection flow 9 runs in
  • the heating arrangement 8 comprises a plurality of heating modules 10, 11, 13.
  • These upper heating modules 10 ', 1 T, 13' are formed as radiant heaters and directed from above onto the endless conveyor 1 and on the baking tongs 2.
  • the upper heating modules 10 ', 1 T, 13' are for this purpose above the upper T ransportebene 17th
  • a second convection fan outlet 12 is provided.
  • a second upper convection fan outlet 12 ' is provided between the first upper heating module 10' and the second upper heating module 1 T.
  • a second lower convection fan outlet 12 " is provided between the first lower heating module 10" and the second lower heating module 1 1 ".
  • Convection fan outlet 14 ' is provided between the second lower heating module 11 "and the further lower heating module 13" another lower
  • the second convection fan outlets 12 are adapted to
  • the convection fan outlets 12, 14, 16 essentially along the longitudinal direction 18 or along the convection flow 9 in the direction of the trigger 15.
  • the direction of the convection flow 9 in the present embodiment is opposite to the transport direction of the baking tongs 2 or of the endless conveyor 1 along the upper transport plane 17. This will cause the convection flow 9 transported heat energy in countercurrent to the baking tongs 2.
  • the baking tongs 2, however, are charged in the baking mass application area 3 with a relatively cool baking compound and thereby cooled at least locally.
  • each convection fan outlet 12, 14, 16 comprises at least one outlet nozzle suitable and / or adapted to the direction of the
  • blower 23 of the present embodiment each having an upper one
  • a regulation arrangement 22 can be provided, via which the volume flow output by the convection fan outlets 12, 14, 16 can be influenced individually or in groups, in particular controlled or regulated.
  • the blowers 23 are designed as controllable or controllable fans 23, wherein the delivery rate can be controlled or regulated via the regulator arrangement 22.
  • a control circuit can in all embodiments in particular via a
  • volumetric balance are formed, which balances all introduced volume flows and all exiting flow rates to obtain an improved convection flow 9.
  • a control variable for example, the baking chamber temperature at different locations of the oven 5 or the baking chamber temperature
  • the regulating arrangement 22 may be provided with flow regulators for changing the flow through the regulating arrangement 22
  • Such flow regulators can, for example, controllable slides, diaphragms,
  • the fans 23 are arranged in the present embodiment, outside the baking chamber 5 and suck ambient air to this ambient air through the
  • Convection blower outlets 12, 14, 16 in the baking chamber 5 introduce.
  • the sucked ambient air can be preheated before being introduced into the baking chamber 5.
  • This preheating can for example be done by a heat exchanger, which uses as a heat medium, for example, the derived heat of the trigger 15.
  • the number of baking tongs 2 can be increased.
  • the length of the oven along the longitudinal direction 18 must also be increased.
  • the oven is preferably modular and has a plurality of convection heating modules 24.
  • a convection heating module 24 comprises at least one heating module 10, 11, 13 and a convection fan outlet 12, 14, 16, wherein the convection fan outlet 12, 14, 16,
  • Convetationsloommodul 24 two heating modules 10, 11, 13, in particular an upper heating module 10 ', 1 1', 13 'and a lower heating module 10 ", 11", 13 "and two
  • Convection heating module 24 competent blower 23 may be part of the
  • Convection heating module 24 be.
  • the housing in the region of the convection heating module 24 can be regarded as part of the convection heating module 24.
  • This housing can be regarded as part of the convection heating module 24.
  • the oven can be extended by stringing a plurality of similar Konvezzyswashmodule 24.
  • the heating assembly 8 Along the convection flow 9 are first the heating assembly 8 in a heated zone, then a non-heated area 25 and then the trigger 15 is provided.
  • Figure 2 shows a further embodiment of a baking oven according to the invention, which is characterized by the design of the components for generating the
  • Convection 9 differs from the embodiment of Figure 1. However, the basic structure of the embodiment of Figure 2 is consistent with the basic structure of the embodiment of Figure 1.
  • Embodiment of Figure 2 within the baking chamber 5 is arranged.
  • the blowers 23 are designed as fans, the source of which is the gas in the baking space 5 for generating the volumetric flow exiting the convection fan outlets 12, 14, 16. Only that blower 23 which is connected to the first convection blower outlet 16 is a blower 23 arranged outside the baking chamber 5, which draws in ambient air and possibly preheated ambient air. This configuration is made by the second
  • Convection blower outlets 12 and the other convection blower outlets 14 no volume flow introduced from the outside into the baking chamber 5, but only supports the already prevailing in the baking chamber 5 convection 9 and further promoted. Also in the embodiment of FIG. 2, a regulator assembly 22 is provided over which the one exiting the convection fan outlets 12, 14, 16
  • Volume flow can be controlled or regulated.
  • each fan 23 can be controlled or regulated separately.
  • two similar convection heating modules 24 are provided.
  • heating modules 10, 1 1, 13 are provided along the convection flow 9, in particular per T ransportebene 17, 20, two, three, four or more heating modules 10, 1 1, 13 be provided.
  • three heating modules 10, 11, 13 are provided per transport plane 17, 20, in particular a first heating module 10, a second heating module 11 and a further heating module 13.
  • a plurality of further heating modules 13 may be provided, whereby the length of the
  • This expansion can, as described, be carried out by a modular extension through the convection heating modules 24.
  • an endless conveyor 1 In the oven an endless conveyor 1 is moved, the openable and closable baking tongs 2 carries.
  • the baking tongs 2 are successively through the top
  • a first convection fan outlet 16 introduces a first gas volume flow. This first gas volume flow serves to form or support one along the
  • the baking space gas flowing along the convection flow 9 is subsequently heated by at least one first heating module 10.
  • the heating modules 10, 1 1, 13 are formed as Strahlungsflower, wherein the heating modules 10, 1 1, 13 preferably in all
  • Embodiments are designed as projecting into the baking chamber 5 or provided in the oven 5 radiant heaters.
  • a heating gas volume flow is added to the baking space gas flowing along the convection flow 9.
  • This heating gas volume flow can, for example, the exhaust gas of the
  • the first Whitneygasvolumenstrom is particularly transverse to
  • Backspace gas at least a second heating module 1 1.
  • This second heating module 1 1 heats the flowing baking chamber gas and the baking chamber gas adds a second Schugasvolumenstrom, whereby also this Schugasvolumenstrom across to
  • Back room 5 optionally further heating modules 13 and preferably also a non-heating zone 25 is or are provided.
  • the baking space gas flowing along the convection flow 9 enters the fume hood 15 and preferably also exits the baking machine through the fume cupboard 15.
  • a partial flow of exiting through the hood 15 baking space gas is recirculated and introduced back into the oven 5 - for example, by one of
  • the flow is conducted as long as possible along the endless conveyor 1 and along the baking plates in order to be able to deliver the heating heat to these components.
  • Convection flow 9 selected in all embodiments, in particular controlled and / or regulated such that the surfaces of the baking tongs 2 in the region of the trigger 15 have substantially the same temperature as the baking space of the gas Convection flow 9 in the area of the fume hood 15. This means that in
  • Substantially all of the transferable heat of the convection flow 9 has been delivered to the baking tongs 2.
  • the baking tongs 2 are preferably guided along their upper transport plane 17 against the direction of the convection flow 9. As a result, the heat transfer happens according to the countercurrent principle.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Baking, Grill, Roasting (AREA)

Abstract

L'invention concerne un procédé et un four de boulangerie pour produire des produits, en particulier des produits comestibles, cuits au four. Le four de boulangerie comprend un convoyeur sans fin (1) s'étendant le long d'une direction longitudinale (18) et plusieurs pinces de cuisson (2) ouvrables et fermables ménagées le long du convoyeur sans fin (1). Plusieurs modules chauffants (10, 11, 13) (8) se présentant sous la forme de dispositifs de chauffage par rayonnement sont agencés dans la direction longitudinale (18) entre une première sortie de soufflante de convection (16) et une évacuation (15). De plus, entre un premier module chauffant (10) et un deuxième module chauffant (11), une deuxième sortie de soufflante de convection (12) est prévue pour générer un courant de convection (9) s'écoulant dans la direction longitudinale (18) jusqu'à l'évacuation (15).
EP19701230.5A 2018-01-31 2019-01-23 Four de boulangerie et procédé de production de produits cuits au four Withdrawn EP3745866A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP18154341.4A EP3520617A1 (fr) 2018-01-31 2018-01-31 Four de cuisson et procédé de fabrication de produits cuits
PCT/EP2019/051619 WO2019149595A1 (fr) 2018-01-31 2019-01-23 Four de boulangerie et procédé de production de produits cuits au four

Publications (1)

Publication Number Publication Date
EP3745866A1 true EP3745866A1 (fr) 2020-12-09

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Application Number Title Priority Date Filing Date
EP18154341.4A Withdrawn EP3520617A1 (fr) 2018-01-31 2018-01-31 Four de cuisson et procédé de fabrication de produits cuits
EP19701230.5A Withdrawn EP3745866A1 (fr) 2018-01-31 2019-01-23 Four de boulangerie et procédé de production de produits cuits au four

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Application Number Title Priority Date Filing Date
EP18154341.4A Withdrawn EP3520617A1 (fr) 2018-01-31 2018-01-31 Four de cuisson et procédé de fabrication de produits cuits

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EP (2) EP3520617A1 (fr)
CN (1) CN111669973A (fr)
WO (1) WO2019149595A1 (fr)

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