A Method For Deep Frying A Food Product, As Well As A Deep Frying Device

Abstract

Method and a deep frying device for deep frying a food product in a deep frying device, wherein the deep frying device comprises a container for fat. For reducing the chances of damaging the deep frying device by the deep frying and increasing the availability, use is made of a deep frying device comprising a pipe section for hot flue gas which protrudes into the lumen of the container but is not connected to an opposite wall. The pipe section comprises—a plurality of supply pipes for the relatively hot flue gas, and—at least one outlet pipe for the relatively cold flue gas coming from the plurality of supply pipes.

Claims

1. A method for deep frying a food product in a deep frying device, wherein the deep frying device: is arranged for heating fat using flue gas, and comprises a container, which container comprises wall sections, which wall sections comprise at least: a bottom wall section, a front wall section, a rear wall section, and two upright longitudinal wall sections which interconnect said front wall section and rear wall section, and the wall sections define a lumen of the container; wherein the container contains a fat; and wherein, in order to deep fry the food product, the fat is heated using a burner, and the food product is deep fried in the heated fat; characterized in that the container comprises a main wall section selected from: the bottom wall section, the front wall section, the rear wall section, and an upright longitudinal wall section; the deep frying device comprises a heating section, wherein the heating section comprises a wall unit, and a pipe section; wherein the wall unit comprises an inlet for relatively hot flue gas and an outlet for relatively cold flue gas, and the pipe section protrudes from the main wall section into the lumen and is not rigidly connected to the other wall sections; and wherein the pipe section protruding into the lumen of the container comprises at least one supply pipe for the relatively hot flue gas, and at least one outlet pipe for the relatively cold flue gas coming from the at least one supply pipe; wherein for heating the fat hot flue gas is passed via the inlet of the wall unit through the pipe section and discharged via the outlet of the wall unit.

2. The method according to claim 1, wherein the main wall section is selected from the bottom wall section, the front wall section, and an upright longitudinal wall section.

3. The method according to claim 1, wherein the total of the cross sectional flow surface areas of the supply pipes is greater than the total cross sectional flow surface areas of the at least one outlet pipe.

4. The method according to claim 1, wherein the heating section has the form of a heating module which is detachably attached to the main wall section.

5. The method according to claim 4, wherein the main wall section comprises a through opening and the through opening of the main wall section is closed off with the wall unit.

6. The method according to claim 4, wherein a gasket is provided between the wall and the heating section.

7. The method according to claim 6, wherein the gasket comprises graphite.

8. The method according to claim 1, wherein the deep frying device contains a further inlet and a further outlet for guiding flue gas at the outside of a wall section, which further inlet is provided with a first connecting element and the outlet of the heating section is provided with a second connecting element for detachably connecting the outlet of the wall unit to the first connecting element.

9. The method according to claim 1, wherein at least one supply pipe of a plurality of supply pipes is provided with a plurality of channels provided transverse to the longitudinal direction of the supply pipe, which channels: extend from the outer wall of the supply pipe via the inside of the supply pipe to an opposite part of the outer wall of the supply pipe; and comprise a first end situated relatively low and a second end situated relatively high in order to be able to pass fat from the lumen through the channel.

10. A deep frying device, wherein the deep frying device is arranged for heating flue gas using fat and comprises a container, which container comprises wall sections, which wall sections comprise at least a bottom wall section, a front wall section, a rear wall section, two upright longitudinal wall sections which interconnect said front wall section and rear wall section, and the wall sections define a lumen of the container; characterized in that the container comprises a main wall section selected from: the bottom wall section, the front wall section, and an upright longitudinal wall section; wherein the heating section comprises: a wall unit, and a pipe section; wherein the wall unit comprises an inlet for relatively hot flue gas and an outlet for relatively cold flue gas, and the pipe section protrudes from the main wall section into the lumen and is not rigidly connected to the other wall sections; and wherein the pipe section protruding into the lumen of the container comprises at least one supply pipe for the relatively hot flue gas, and at least one outlet pipe for the relatively cold flue gas coming from the at least one supply pipe.

11. The deep frying device according to claim 10, wherein the main wall section is selected from: the bottom wall section, the front wall section, and an upright longitudinal wall section.

12. The deep frying device according to claim 10, wherein the total of the cross sectional flow surface areas of the supply pipes is larger than the cross sectional flow surface areas of the outlet pipe.

13. The deep frying device according to claim 10, wherein the heating section has the form of a heating module which is detachably attached to the main wall section.

14. The deep frying device according to claim 13, wherein the main wall section comprises a through opening and the through opening of the main wall section is closed off with the wall unit (170).

15. The deep frying device according to claim 13, wherein between the wall and the heating section a gasket is provided.

16. The deep frying device according to claim 10 to 15, wherein the gasket comprises graphite.

17. The deep frying device according to claim 10, wherein at least one supply pipe of a plurality of supply pipes is provided with a plurality of channels provided transverse to the longitudinal direction of the supply pipe, which channels: extend from the outer wall of the supply pipe via the inside of the supply pipe to an opposite part of the outer wall of the supply pipe, and comprise a first end situated relatively low and a second end situated relatively high in order to be able to pass fat from the lumen through the channel.

Description

[0084] The present invention will now be illustrated with reference to the drawing where

[0085] FIG. 1A shows a perspective view of a deep frying device according to the invention;

[0086] FIG. 1B shows an explosion view of the deep frying device of FIG. 1A;

[0087] FIG. 2A and FIG. 2B show a perspective view of a heating module of the deep frying device of FIG. 1B; and

[0088] FIG. 3A and FIG. 3B show a perspective front view and rear view of an alternative heating section for a deep frying device.

[0089] For deep frying a food product with the method according to the invention use is made of a deep frying device 100 (FIG. 1A), wherein the deep frying device 100 comprises a container 101, which container comprises wall sections, which wall sections comprise at least [0090] a bottom wall section 110, [0091] a front wall section 120, [0092] a rear wall section 130, [0093] two upright longitudinal wall sections 140 which interconnect said front wall section 120 and rear wall section 130. The container 101 defines a lumen 102 in which for deep frying fat (also including oil; a fat that is liquid at room temperature) is present.

[0094] The device 100 further comprises a burner 150 with which a fuel such as gas is burned, and the hot flue gases are used for heating the fat in order to deep fry therewith.

[0095] The deep frying device 100 comprises a main wall section selected from [0096] the bottom wall section 110, [0097] the front wall section 120, and [0098] an upright longitudinal wall section 140.

[0099] The deep frying device 100 further comprises a heating section 160, which heating section 160 comprises [0100] a wall unit 170, and [0101] a pipe section 180.

[0102] The wall unit 170 comprises an inlet 171 for relatively hot flue gas and an outlet 172 for relatively cold flue gas. The inlet 171 is connected to the burner 150 in order to lead hot flue gases through the pipe section 180 and discharge them via the outlet 172.

[0103] The burner 150 is a venturi burner, as is known from a central heating installation.

[0104] The pipe section 180 protrudes from the main wall section into the lumen 102 but is not connected fixedly to the other wall sections.

[0105] The pipe section 180 which protrudes into the lumen of the container comprises [0106] a plurality of supply pipes 181 for the relatively hot flue gas, and [0107] at least one outlet pipe 182 for the relatively cold flue gas coming from

[0108] the plurality of supply pipes 181.

[0109] The flue gas is distributed from an upstream distribution chamber 173 and collected in the downstream collection chamber 174 from which it is discharged via the outlet pipe 182 via the outlet 172. Prior to use, the outlet pipe 182 is connected to a flue (not shown) of the kitchen or other room in which the deep frying takes place.

[0110] With the embodiment of the deep frying device 100 as discussed here, the heating section 160 has the form of a heating module 160, which can be attached to the main wall section (here front wall section 120). To this end, the heating section 160 comprises a flange 161 which can be attached to the front wall section 120 using bolts and protrudes into the front wall section into the lumen 102 via a through opening 121.

[0111] The module may be equipped with one or more temperature sensors 190 for controlling the burner 150.

[0112] For sealing use is made of a graphite-comprising gasket between the flange 161 and the front wall section 120.

[0113] FIG. 2A and FIG. 2B (with hidden lines) show a perspective view of a heating module of the deep frying device 100 of FIG. 1B.

[0114] The heating module 160 also comprises the burner 150, whereby if a repair is needed the broken down heating module 160 can be replaced quickly by another one.

[0115] FIG. 3A and FIG. 3B show a perspective front view (indicated with hidden lines) and rear view of an alternative heating module 160 for a deep frying device 100. With this embodiment the pipes for flue gas (supply pipes 181 and outlet pipe 182) are provided with channels in the form of small vertical tubes 380 which provide for surface area enlargement and for circulation of the liquid fat in the container.