EP3303931A1 - Reinigungsvorrichtung für gewerbliche gargeräte - Google Patents
Reinigungsvorrichtung für gewerbliche gargeräteInfo
- Publication number
- EP3303931A1 EP3303931A1 EP16726106.4A EP16726106A EP3303931A1 EP 3303931 A1 EP3303931 A1 EP 3303931A1 EP 16726106 A EP16726106 A EP 16726106A EP 3303931 A1 EP3303931 A1 EP 3303931A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cleaning
- container
- solid detergent
- detergent
- cleaning device
- 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.)
- Granted
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 139
- 238000010411 cooking Methods 0.000 title claims abstract description 104
- 238000003860 storage Methods 0.000 claims abstract description 63
- 239000012459 cleaning agent Substances 0.000 claims abstract description 58
- 239000007787 solid Substances 0.000 claims abstract description 39
- 238000000034 method Methods 0.000 claims abstract description 31
- 239000002904 solvent Substances 0.000 claims abstract description 29
- 239000013042 solid detergent Substances 0.000 claims description 90
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 44
- 239000003599 detergent Substances 0.000 claims description 30
- 239000013505 freshwater Substances 0.000 claims description 23
- 230000008569 process Effects 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 6
- 239000000499 gel Substances 0.000 description 25
- 239000000243 solution Substances 0.000 description 25
- 239000012141 concentrate Substances 0.000 description 16
- 238000007789 sealing Methods 0.000 description 15
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- MOVRNJGDXREIBM-UHFFFAOYSA-N aid-1 Chemical compound O=C1NC(=O)C(C)=CN1C1OC(COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C(NC(=O)C(C)=C2)=O)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C(NC(=O)C(C)=C2)=O)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C(NC(=O)C(C)=C2)=O)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)CO)C(O)C1 MOVRNJGDXREIBM-UHFFFAOYSA-N 0.000 description 8
- 230000008901 benefit Effects 0.000 description 8
- 239000000843 powder Substances 0.000 description 8
- 235000013305 food Nutrition 0.000 description 7
- 239000008187 granular material Substances 0.000 description 7
- 238000002844 melting Methods 0.000 description 7
- 230000008018 melting Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 239000004094 surface-active agent Substances 0.000 description 5
- 238000004851 dishwashing Methods 0.000 description 4
- 239000002736 nonionic surfactant Substances 0.000 description 4
- 159000000001 potassium salts Chemical class 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 229920002125 Sokalan® Polymers 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 150000007513 acids Chemical class 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 238000010790 dilution Methods 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 210000003739 neck Anatomy 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- CIEZZGWIJBXOTE-UHFFFAOYSA-N 2-[bis(carboxymethyl)amino]propanoic acid Chemical group OC(=O)C(C)N(CC(O)=O)CC(O)=O CIEZZGWIJBXOTE-UHFFFAOYSA-N 0.000 description 2
- RGHNJXZEOKUKBD-SQOUGZDYSA-N D-gluconic acid Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O RGHNJXZEOKUKBD-SQOUGZDYSA-N 0.000 description 2
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000003945 anionic surfactant Substances 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical class OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 229940071106 ethylenediaminetetraacetate Drugs 0.000 description 2
- 150000002334 glycols Chemical class 0.000 description 2
- LEQAOMBKQFMDFZ-UHFFFAOYSA-N glyoxal Chemical compound O=CC=O LEQAOMBKQFMDFZ-UHFFFAOYSA-N 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical compound OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 229910052615 phyllosilicate Inorganic materials 0.000 description 2
- 229920001529 polyepoxysuccinic acid Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 235000019982 sodium hexametaphosphate Nutrition 0.000 description 2
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 description 2
- 239000001226 triphosphate Substances 0.000 description 2
- 239000001993 wax Substances 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- RGHNJXZEOKUKBD-UHFFFAOYSA-N D-gluconic acid Natural products OCC(O)C(O)C(O)C(O)C(O)=O RGHNJXZEOKUKBD-UHFFFAOYSA-N 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 239000005662 Paraffin oil Substances 0.000 description 1
- 229920000805 Polyaspartic acid Polymers 0.000 description 1
- 108010020346 Polyglutamic Acid Proteins 0.000 description 1
- 241000270295 Serpentes Species 0.000 description 1
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric Acid Chemical compound [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 229910000318 alkali metal phosphate Inorganic materials 0.000 description 1
- 229910052910 alkali metal silicate Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 239000002280 amphoteric surfactant Substances 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 239000000010 aprotic solvent Substances 0.000 description 1
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- 239000003093 cationic surfactant Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000000788 chromium alloy Substances 0.000 description 1
- 150000001860 citric acid derivatives Chemical class 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 239000008139 complexing agent Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000001177 diphosphate Substances 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- -1 for example Substances 0.000 description 1
- 239000000174 gluconic acid Substances 0.000 description 1
- 235000012208 gluconic acid Nutrition 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 229940015043 glyoxal Drugs 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000001254 oxidized starch Substances 0.000 description 1
- 235000013808 oxidized starch Nutrition 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
- HWGNBUXHKFFFIH-UHFFFAOYSA-I pentasodium;[oxido(phosphonatooxy)phosphoryl] phosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O HWGNBUXHKFFFIH-UHFFFAOYSA-I 0.000 description 1
- 108010064470 polyaspartate Proteins 0.000 description 1
- 229920005646 polycarboxylate Polymers 0.000 description 1
- 229920002643 polyglutamic acid Polymers 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 239000003586 protic polar solvent Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 1
- 239000001509 sodium citrate Substances 0.000 description 1
- FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000004328 sodium tetraborate Substances 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- 235000019832 sodium triphosphate Nutrition 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000003826 tablet Substances 0.000 description 1
- 235000019818 tetrasodium diphosphate Nutrition 0.000 description 1
- 235000011178 triphosphate Nutrition 0.000 description 1
- UNXRWKVEANCORM-UHFFFAOYSA-N triphosphoric acid Chemical compound OP(O)(=O)OP(O)(=O)OP(O)(O)=O UNXRWKVEANCORM-UHFFFAOYSA-N 0.000 description 1
- HRXKRNGNAMMEHJ-UHFFFAOYSA-K trisodium citrate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O HRXKRNGNAMMEHJ-UHFFFAOYSA-K 0.000 description 1
- 229940038773 trisodium citrate Drugs 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C14/00—Stoves or ranges having self-cleaning provisions, e.g. continuous catalytic cleaning or electrostatic cleaning
- F24C14/005—Stoves or ranges having self-cleaning provisions, e.g. continuous catalytic cleaning or electrostatic cleaning using a cleaning liquid
Definitions
- the present invention relates to a cleaning device for commercial cooking appliances and a commercial cooking appliance with such a cleaning device. Moreover, the invention relates to the use of a cleaning device according to the invention in commercial cooking appliances. Finally, the present invention includes a method for cleaning commercial cooking appliances.
- a commercial cooking appliance is understood to mean an appliance which is usually used for commercial use, for example in commercial kitchens, catering establishments and bakeries, outlets, etc., for the thermal preparation (cooking) and / or heating of foods.
- these include in particular cooking appliances, grills, ovens, baking ovens, steamer, combi steamers, microwave ovens or fryers.
- the cleaning device is used for internal cleaning of the commercial cooking appliance, especially its cooking chamber, in which the food is usually prepared.
- a particular problem is especially in devices that work with water and / or steam, such as steamers or combi steamer.
- Such devices usually have a piping system with chambers, valves, pumps, etc., to supply the cooking chamber water and / or water vapor or to lead around the water and / or steam in a Umicalznikank formed by the conduit system.
- This piping system is not accessible for manual cleaning, but must be kept hygienically clean.
- highly alkaline detergents are generally available. Highly alkaline detergents are commercially available today in a wide variety of forms, for example as a powder, as granules, as a liquid, as a melt block or as a tablet produced by compression.
- powders, granules or liquids have proven useful, while for mechanically cleaning hard surfaces, e.g. B. machine cleaning dishes, in addition to powders, granules or liquids increasingly produced by compression tablets or obtained by melting and subsequent cooling block-type cleaner can be used.
- tablets and fused blocks offer the advantage of accurate and simple dosing, they do not dust and are easy to handle.
- tablets and fused blocks also have disadvantages. For example, breakage of tablets can occur; such damaged tablets naturally no longer have the advantage of adequate and accurate dosage. Another problem with tablets is that the desired water solubility can not always be guaranteed, d. H. Sometimes tablets dissolve either too fast or too slowly.
- the cleaning device has a connection unit for receiving a container with a, preferably highly alkaline, solid detergent and a liquefying device for liquefying the solid detergent.
- the liquefaction can be carried out preferably using a solvent.
- at least one first storage tank can be used, in which the liquefied cleaning agent is first stored and optionally further liquefied.
- this Storage tank may in particular also be a circulation tank of a circulation circuit.
- the connection unit is a receiving socket.
- a solid detergent according to the invention is understood to mean a coherent, solid mass of solid detergent (hereinafter also referred to as solid detergent mass) in the container, such as a solid wax or a waxy composition such as a gel, in particular a solid gel , or similar. This does not include, for example, loose particle compositions or bulk materials such as powders or granules, etc.
- the solid detergent is formed as a homogeneous, waxy mass with undissolved solids.
- the solid detergent has a paste-like consistency, in particular a solid gel form.
- solid gel form is understood here to mean a cut-resistant and / or waxy gel, that is to say that a cut with a knife remains visible in the gel as a cut liquid state in a container can "harden” there and then reaches a solid consistency to form the solid detergent (or the contiguous solid detergent mass).
- the container is designed so that it is suitable for permanent storage and transport of the solid detergent.
- this may be a plastic bottle, a plastic tank or the like, preferably made of HDPE (High Density Polyethylene).
- Such gels are known in the art as dishwashing detergents.
- DE 31 38 425 A1 already describes pasty detergents for dishwashing based on silicate.
- the rheological behavior of the cleaners described therein is such that a gel-like paste is liquefied by the action of mechanical forces, for example by shaking or pressure on a deformable storage bottle or tube or by means of a metering pump and can be easily expressed from a spray nozzle.
- DE 19 507 532 A1 discloses a corresponding water-containing paste-form detergent for dishwashing based on sodium hydroxide.
- the composition of a solid detergent for the recovery of be designed in a similar manner as in the cited documents, with appropriate adjustment of the required alkalinity.
- a solid detergent used according to the invention can not run out of an open container even in an "overhead position".
- the alkaline solid cleaning agent can first directly out of the container, d. H. immediately in the container, dissolved and then liquefied, without the need for manual dosing is necessary.
- the user may dock the container with the solid detergent mass as delivered to the connector unit.
- the contact with the solid detergent and the associated danger are thus advantageously avoided. Additional protection of the user such as gloves or goggles is not required.
- the solid detergent need not be covered in the container with a sealant layer to prevent the solid detergent from being inadvertently prematurely leaking out of the container.
- solvent according to the invention may serve to liquefy the solid detergent or assist the liquefaction.
- the so-liquefied cleaning agent if no or only a small amount of solvent is used for liquefying, first form a cleaning concentrate, which can be further liquefied as needed in the course further.
- the solids cleaning agent can first be liquefied via the liquefaction device and further liquefied at a later time, for example after transfer to a storage tank, in particular a circulation tank, with addition of solvent, preferably fresh water.
- an object of the present invention relates to a commercial cooking appliance, preferably a commercial cooking appliance, a grill, an oven, a baking machine, a steamer, a combi steamer, a microwave oven or a fryer, which thus has a cleaning device according to the invention.
- the cleaning device according to the invention can be completely or at least partially integrated into the commercial cooking appliance.
- An example of a "partial" integration is the connection of an external metering device of the cleaning device to the actual cooking appliance, which then, for example, the other components of the cleaning device, such as a line system, the circulation tank, pumps, etc., to the detergent in Full integration is achieved when all components, including the connection unit or the receiving socket for the container, are integrated with the solid detergent mass in the cooking appliance or its housing.
- a cleaning device may in particular have a control in order to control all components of the cleaning device, so that a cleaning of the cooking appliance, preferably its cooking chamber and in particular of the conduit system, can be cleaned according to the cleaning method explained below.
- This control device can also be part of an overall control device of the cooking appliance, which also controls the further operation of the cooking appliance during the preparation of the food.
- an overall control of the cooking appliance can be shared for the cleaning according to the invention by modifying the overall control in a suitable manner. This is at least partially also possible via a corresponding adaptation of a firmware of a controller if the overall control has a corresponding computer unit, for example a microprocessor or the like, which is equipped with a firmware.
- the cleaning device according to the invention as a line system, preferably as a conduit system for bringing the liquefied detergent into the cooking chamber and an already existing line system of Umisselznikankes the cooking appliance, which usually for transporting or circulating water and / or steam and / or supply Fresh water is used, share.
- This has the advantage that inevitably this water or water vapor line system is cleaned.
- the piping system will be considered below as part of the cleaning device according to the invention.
- the device according to the invention or the method according to the invention enable a single or multiple dosing of a solid detergent, without the risk that the cleaner is spilled or splashed and thus skin or eye contact with the user comes without a sealing layer on the solid detergent ,
- a single metering is understood to be a one-time metering of the liquefied cleaning agent, the contents of the container being consumed in a single cleaning operation. Ie. For each cleaning of the cooking appliance, a new container is introduced into the connection unit, which contains the amount of solid detergent required for a cleaning process.
- a multiple dosing in the sense of the present invention means at least two doses of the cleaning agent.
- the entire content of the solid-state cleaning agent is preferably removed from the container during liquefaction and emptied once into the storage tank, from which partial quantities are taken.
- a corresponding subset of the solid detergent can be removed from the container and emptied into a storage tank.
- an optimum cleaning efficiency is achieved by the method according to the invention.
- the specific concentration of the cleaning agent depends on the desired application and is familiar to the person skilled in the art. Further particularly advantageous refinements and developments of the invention will become apparent from the dependent claims and the following description, wherein the claims of a particular category can also be developed according to the dependent claims of another category and features of different embodiments can be combined to form new embodiments.
- the liquefaction device of the cleaning device can be designed in various ways.
- the liquefying device has a heating device, which is preferably designed such that the container is heated in the connection unit, in particular a receiving nozzle.
- a heating device may in particular be designed such that it is operated electrically and / or by means of hot water and / or condensing water vapor, etc. Heating of the solids cleaning agent via a heating device advantageously effects the melting of the solid-state cleaner.
- the alkaline solid detergent may be adjusted to melt at elevated temperature and to run out of the container.
- the solid detergent melts at a temperature of more than 40 ° C, more preferably at a temperature of at least 50 ° C, in particular a temperature of at least 60 ° C.
- Such a trained solid detergent does not melt, under normal storage conditions, even when stored under elevated temperature conditions, for example in summer or in warmer climates.
- the heating device could only be arranged on a narrower ring, for example on the container opening or on the bottle head.
- the entire bottle is advantageously heated for complete emptying.
- a heated tubular receiving socket in which the entire bottle is inserted, particularly preferred.
- the material of the connection unit in particular a receiving nozzle with heating device, is selected so that it has a good thermal conductivity.
- a preferred thermal conductivity ( ⁇ ) is in the range of, for example, 10 to 450 W / (m ⁇ K), preferably in the range of 15 to 400 W / (m ⁇ K), in particular in the range of 20 to 300 W / (m ⁇ K).
- the liquefying device can be equipped with a rinsing nozzle, ie, alternatively or in addition to the application of a temperature increase for melting, the alkaline solid detergent can be dissolved out of the container by the solubility of an inflowing solvent, in particular a water jet and / or water vapor.
- the solution equilibrium is chosen so that even the addition of a small amount of water leads again to a liquid-like low-viscosity consistency of the cleaning agent.
- the solvent may contain protic and / or aprotic solvents, preferably organic solvents such as, for example, hexane and / or heptane and / or alcohols, in particular methanol, ethanol and propanol.
- a solvent in the context of the invention is suitable for its use in commercial cooking appliances.
- the liquefied cleaning agent thus obtained may preferably be transferred completely into a storage tank, optionally directly to a circulation tank of the circulation circuit. Via a solvent supply to the storage tank, the liquefied cleaning agent may then preferably together with a defined amount of further solvent, particularly preferably fresh water, form a concentrated solution which has sufficient alkalinity for several cleaning operations (multiple dosing) or for one cleaning operation (single dosing). Then, the cleaning device is not simply used to successively dilute with water into the solid detergent. Rather, such a supply is controlled here to ensure at any time the desired concentration of the detergent.
- the liquefied cleaning agent could in principle be introduced immediately after the liquefaction process without additional solvent feed into the cooking chamber of the commercial cooking appliance.
- the ready-to-use cleaning solution can be adjusted to different degrees depending on the degree of soiling.
- a concentrated cleaning solution to be stored so is a preferred Dilution with solvent in the range from 2: 1 to 1: 2, particularly preferably in the range from 1, 5: 1 to 1: 1, 5, in particular in the range of 1: 1.
- the gel has a water content of about 35% by weight and the stable concentrated cleaning solution is to have about 70% by weight of water, dilution with water is 1: 1.
- the alkaline solid detergent is substantially emptied from the container.
- essentially is here an emptying of the solid detergent to a proportion of at least 90 wt .-%, preferably to a proportion of at least 95 wt .-% and particularly preferably to a proportion of at least 99 wt .-% to understand from the container or the cleaner bottle.
- the solid detergent in particular the waxy or solid gel
- it is also particularly well suited to be charged with water vapor, since this alone can reach the entire inner surface of the container due to its physical consistency ,
- the spray device When spraying solvent, in particular water, this can also be achieved if the spray device is designed and adjusted accordingly so that the entire inner surface of the container is supplied with water.
- the solid detergent in particular the waxy or solid gel, however, can also be solved by the normal humidity. If the container remains connected to the connection unit for a prolonged period of use and is replaced after several days or even weeks, the solubility due to the humidity may be sufficient for the container to be completely clean and free from the risk of acidification by alkaline solution dripping down ,
- a preferred solid detergent in particular a waxy solid or solid gel so that even a small amount of water is sufficient to liquefy the gel.
- the solution equilibrium of the components is advantageously close to the solidification point of such a solid detergent.
- the connection unit preferably has a receiving socket, preferably with screw or plug-in device, in which the container can be easily and safely attached.
- the liquefied cleaning concentrate or cleaning agent thus obtained can advantageously be quickly, easily and accurately transferred or metered, it does not dust and is produced with limited technical effort from the solid detergent, especially the solid gel.
- a solvent preferably water
- particularly preferred components of the solid detergent, especially of the solid or waxy gel have good water solubility.
- the solid detergent may also be used in combination with other agents without losing its variable consistency and its advantageous water solubility.
- the solid cleaning agents may therefore contain, for example, glycols, glycol derivatives and / or certain alkanolamines.
- the viscosity can also be adjusted via the water content of the solid detergent.
- a preferred water content of the solid detergent in the range of 5 wt .-% and 45 wt .-%, preferably in the range of 10 wt .-% and 40 wt .-%, in particular in the range of 15 and 35 wt. %.
- the alkaline properties of the solid detergent can be influenced by its content of alkaline components.
- the solid cleaning agent contains in particular an alkali metal hydroxide solution, preferably potassium hydroxide and sodium hydroxide solution, particularly preferably sodium hydroxide solution.
- a solid gel has the advantage over a liquid alkaline cleaner that the alkali metals necessary for the cleaning process can be concentrated higher.
- a preferred content of NaOH in the solid detergent is therefore in the range of 15 to 45 wt .-%, particularly preferably in Range of 20 to 40 wt .-%, in particular in the range of 25 to 35 wt .-%.
- the solid detergent or the preferred waxy gel has a pH of more than 11, more preferably a pH of more than 12 and in particular a pH of more than 13.
- a preferred solid detergent comprises surfactants and / or paraffin oil and / or polyhydroxy compounds with preferably glycerol, glucose, glyoxal or propylene glycol as the carrier phase for other ingredients customary in detergents.
- surfactants both anionic surfactants and cationic surfactants, amphoteric surfactants and nonionic surfactants can be used.
- Preferred surfactants for the solid detergent are anionic and / or nonionic surfactants.
- the cleaning performance is decisively influenced by the amount of surfactants. However, the curing time of the solid detergent depends in particular on their concentration after addition of all components.
- the solid detergent may additionally contain a builder in an amount of up to 60% by weight, preferably 15 to 40% by weight.
- the builder substance preferably has a high water solubility.
- Suitable builder substances are, for example, alkali metal phosphates, which may be in the form of their sodium or potassium salts. Examples of these are: tetrasodium diphosphate, pentasodium triphosphate, so-called sodium hexametaphosphate and the corresponding potassium salts or mixtures of sodium hexametaphosphate and the corresponding potassium salts or mixtures of sodium and potassium salts.
- complexing agents are to nen, such as. B. nitrilotriacetate or ethylenediaminetetraacetate.
- Soda and borax are also builders in the context of the present invention.
- a preferred builder of the solid detergent is methylglycine diacetic acid (MGDA), which is available, for example, from BASF under the name Trilon® M.
- MGDA methylglycine diacetic acid
- Further possible water-soluble builder components are, for.
- organic polymers of native or synthetic origin especially polycarboxylates.
- polyacrylic acids and copolymers of maleic anhydride and acrylic acid and the sodium salts of these polymer acids are suitable.
- Commercially available products are z.
- suitable native polymers include oxidized starch (eg DE 42 28 786) and lyamino acids such as polyglutamic acid or polyaspartic acid, for example the companies Cygnus, Bayer and Rohm & Haas.
- builder components are naturally occurring hydroxycarboxylic acids such. As mono-, dihydroxy-succinic acid, ⁇ -hydroxypropionic acid, citric acid, gluconic acid, and salts thereof.
- a preferred hydroxycarboxylic acid builder component of the solid detergent is polyepoxysuccinic acid (PESA).
- Citrates are preferably used in the form of trisodium citrate dihydrate.
- amorphous metasilicates or sheet silicates may furthermore be mentioned. Crystalline phyllosilicates are also suitable builders, provided they are sufficiently alkali-stable.
- Particularly preferred builder substances are selected from the group of pentanitrile triphosphate, trisodium citrate, nitrilotriacetate, ethylenediaminetetraacetate, soda, alkali metal silicate or mixtures thereof.
- the solid detergent is so composed that the stirrability of the liquefied detergent and the associated advantages are already given at room temperature.
- the cleaning device preferably comprises a number of pumps for transporting the liquefied cleaning agent.
- the cleaning device preferably comprises a line system, in particular for forming a recirculation circuit, which in particular may comprise the pump (s) in order to convey the liquefied cleaning agent into the cooking chamber.
- a heat tracing for example, a conventional water heater or a heat exchanger, arranged to heat the detergent on the line system and / or on a recirculation tank.
- steam may also be injected into the dilute cleaning agent (i.e., the cleaning solution).
- the liquefied solid detergent can pass directly from the container into a circulation tank of the line system or circulation circuit and there z.
- the cleaning device according to the invention allows, as mentioned above, a multiple dosage, ie a dosage at least twice, of a cleaning concentrate or cleaning agent.
- the liquefied cleaning agent is preferably first transferred as a cleaning concentrate in a first storage tank and is temporarily stored there until the time of use.
- further solvent in particular fresh water
- a part or a defined amount of the cleaning concentrate preferably via a metering pump, to be introduced into a further storage tank, e.g. B. a circulation tank of Ummélznikanks the cooking appliance, transferred or dosed.
- a cleaning process can be carried out as needed, ie. H.
- the metered amount of liquid detergent then be placed in the circulation or the cooking chamber. But in this further storage tank or circulation tank but the detergent can be further liquefied or diluted with supply of fresh water or other solvent.
- Such a multiple dosing has the advantage that a liquefaction of the solid detergent from the container is required only once and then a multiple cleaning of the commercial cooking appliance is possible without the need for a new container must be attached.
- the first storage tank and / or the further storage tank in particular circulation tank, for improved solution and mixing of the liquefied cleaning concentrate or the cleaning agent, a mixing device, preferably a stirring unit containing.
- stirring is continued for at least 1 to 5 minutes, preferably 3 minutes, at room temperature.
- optimum homogeneity of the cleaning agent can thus be achieved, which is generally difficult to achieve with solid cleaners. Due to the stirrability of the liquefied cleaning agent, even temperature-labile components undergo no change, so that an optimum cleaning efficiency of the cleaning agent is ensured.
- the storage tank provided can optionally be cooled.
- specific sensors can be integrated into the cleaning device, in particular into the storage tank, which trigger a stirring interval in the presence of insufficient homogeneity of the cleaning concentrate or of the cleaning agent.
- the evaporation of liquid constituents of the cleaning concentrate or the cleaning agent can be counteracted by applying an overpressure, so that always a defined concentration of the cleaning agent is guaranteed ,
- the cleaning solution can be circulated or pumped several times during the cleaning process as mentioned.
- the used cleaning solution via an outlet opening in the cooking chamber, usually an outlet strainer at the bottom of the cooking chamber, run off and be returned via a pump back into the circulation tank or directly back to the nozzles.
- the used cleaning solution can drain through the outlet opening in the cooking chamber and be discharged via a pump and disposed of in the further course.
- an outlet valve may be provided to switch between a return in the cleaning process or a discharge of the used cleaning solution.
- the cleaning device may have a further connection unit for receiving a further container and optionally a further liquefaction device assigned to this connection unit.
- the further container may contain a rinse aid.
- composition of such a rinse aid can also be formed as a solid, much like the solid detergent.
- the rinse aid may preferably be in the form of a liquid or in the form of a powder or granules.
- Such rinse aids are generally known and can be used in the context of the present invention.
- a preferred composition of a rinse aid contains one or more acids and a surfactant, more preferably a nonionic surfactant, especially a low foaming nonionic surfactant.
- a sealing layer that prevents the rinse aid from exiting the container at an "overhead" position.
- a closure layer may preferably be a solid or waxy layer, in particular a gel, or a film in the cover.
- the sealing layer may also form a first phase of the rinse aid.
- the sealing layer may have a variably designed melting temperature.
- the connection unit for dissolving the sealing layer and / or for liquefying a solid rinse aid can be heated via a heater or equipped with a rinsing nozzle.
- the rinse aid can be emptied by increasing the temperature and / or rinsing means Aus Thoughdüse essentially from the container, whereby an efficient rinse process is ensured.
- a preferred melting temperature of the rinse aid and / or the sealing layer is in a range above the melting temperature of the solid cleaning agent. This results in advantageous that the emptying of the solid rinse aid takes place only when heated to a defined temperature.
- the solid rinse aid or the sealing layer melt at a temperature of over 70 ° C., preferably at a temperature of above 75 ° C., in particular at a temperature of above 80 ° C. If the container with the rinse aid is actively heated independently and the heating of the solid detergent does not act on the sealing layer, the melting temperature of the sealing layer may also be lower.
- the rinse aid can also be transferred in the further course in an optionally provided storage tank, optionally further liquefied with the supply of solvent and if necessary by means of a pump in an optional further storage container, in particular a circulation container, are transported into the oven.
- an optionally provided storage tank optionally further liquefied with the supply of solvent and if necessary by means of a pump in an optional further storage container, in particular a circulation container, are transported into the oven.
- the container may be formed as a combination container, with a detergent compartment for the above-described inventive solid detergent (or the solid detergent mass) and a separate rinse aid compartment for a rinse aid.
- the combination container preferably has parallel compartments or separate, parallel chambers, preferably with separate outlet openings.
- a container such as a bottle, understood, which has its own opening area to the outside of the container, so that it would be possible in principle, the contents of both compartments simultaneously, ie to remove parallel.
- two sub-containers ie, for example, two bottle parts, in any way connected to each other, for. B.
- a container preferably with two outlet openings or necks, is blown so that two closed chambers are formed with a central web, through which the chambers or compartments are separated from each other, wherein in particular each chamber has its own outlet opening can be.
- a combination container has at least one outlet opening for the liquefied cleaning agent or the rinse aid at a front end. This may be a common outlet opening for both parallel compartments. Such an outlet opening can then z. B. be separated by a separation unit or partition in two outlet areas.
- the container has, as mentioned, separate outlet opening for the compartments.
- a combination container preferably also has a solid-state cleaning agent, which is designed in particular as a wax-like or cut-resistant gel. All other components and parameters of the solid detergent can also be configured as described above.
- the solid detergent is also first dissolved in a cleaning cycle from the cleaning agent arrangement.
- the rinse aid is removed from the rinse aid compartment.
- the rinse aid may be in the compartment provided for this purpose in the form of a solid, in particular in the form of a solid or waxy gel, and / or covered with a sealing layer.
- a preferred material for the commercial cooking appliance high-alloy stainless, rust-carrier or stainless steel or stainless steel is a preferred material for the commercial cooking appliance high-alloy stainless, rust-carrier or stainless steel or stainless steel.
- Such materials preferably have a chromium content of more than 10% and are known in the prior art under the trade name Cromargan (WMF), Nirosta (Outokompu Nirosta), Remanit (Edelstahl Witte-Krefeld), or under the name VA Steel, V2A steel, V4A steel, V1A steel, V3A steel, V5A steel or Inox.
- alternative corrosion resistant alloys such as chromium-nickel alloys containing less than 50% iron may be used.
- a material is used which leads to surfaces which are easy to clean, in order to enable a good cleaning hygiene of the commercial cooking appliance. Antibacterial material can also be used.
- Figure 1 is a schematic representation of a first embodiment of a commercial cooking appliance with an integrated cleaning device
- Figure 2 is a schematic representation of a second embodiment of a commercial cooking appliance with an integrated cleaning device
- Figure 3 is a schematic representation of a third embodiment of a commercial cooking appliance with a cleaning device with external reservoir
- Figure 4 is a schematic representation of a third embodiment of a commercial cooking appliance with a cleaning device with external reservoir.
- the figures each show a cooking appliance 100, 100 ', here a commercial combi steamer, with a cooking chamber 9, in which the food to be heated, in particular to be cooked, food or food is introduced via a door (not shown).
- a cooking chamber 9 In the cooking chamber 9 are usually still (possibly removable) internals such as rail systems, brackets or the like to keep appropriate trained baking trays, Bratrainen etc. These internals are not shown here for better clarity.
- the cooking chamber 9 can be charged with water, for generating steam in the cooking chamber 9, or directly with steam. Both the cooking compartment itself, with or without internals, as well as the piping systems for the water or steam must be cleaned regularly.
- the cooking appliance 100, 100 'each have a cleaning device 200, 200'.
- FIG. 1 shows a first exemplary embodiment with a cleaning device 200 integrated completely in the cooking device 100. This can be used for a single or multiple dosing of a solid detergent 1 R and for a single or multiple dosing of a rinse aid 1 K.
- the cleaning device 200 here comprises a connection unit 2 in the form of a receiving nozzle 2 for receiving a container BR, here a bottle BR, with an alkaline solid detergent 1 R, a liquefying device 2a, 2b, a storage tank 12R for a cleaning solution, which here the circulation container 12R of a circulation circuit of the cooking appliance 100, and a fresh water supply 4.
- the bottle BR with the alkaline solid cleaner 1 R here in the form of a solid gel as described above, is docked in an "overhead position so in the receiving port 2, so that a largely dense connection is formed, from which the alkaline solid cleaner 1 R can not escape laterally.
- a cover which is usually present is removed from the bottle BR.
- the liquefying device for liquefying the alkaline solid cleaner 1 R in the bottle BR here has a heater 2a to the receiving nozzle 2, with which the container BR can be heated together with the solid detergent 1 R.
- a heating device 2a can be designed in particular electrically, for hot water or for condensing water vapor.
- the liquefaction equipment is equipped with a rinsing nozzle 2b to expose the solid detergent 1R (alternatively or in addition to heating the solid detergent 1R) through the bottle neck with a solvent jet (hereinafter, without limiting the generality it is the solvent to water and / or steam), which dissolves the solid detergent 1 R.
- the receiving nozzle 2 is here arranged at an upper end of the storage tank 12R or circulating tank 12R, so that the liquefied cleaning agent 1 R passes as a kind of "cleaning concentrate" from the container BR by gravity into the storage tank 12R.
- 4 more fresh water can be supplied as a solvent for further dilution of the liquefied detergent 1 R in the storage tank 12R via a fresh water supply.
- the storage tank 12R has for improved solution and mixing of the liquefied cleaning concentrate or the cleaning agent to obtain a cleaning solution with the desired concentration or alkalinity, a mixing device 3, here a stirring unit 3, on.
- the cleaning solution provided in the storage tank 12R can be introduced into the cooking chamber 9 by means of a pump 5 via the pipe system 15 and via inlet openings 8, in particular nozzles 8.
- an additional (optional) heat tracing 60 (here a water heater) is arranged on the line system 15 with the aid of which the cleaning solution can be adjusted to a desired temperature.
- the used cleaning solution via an outlet opening 10 (the usual outlet screen), which is arranged in the bottom of the cooking chamber 9, run out of the cooking chamber 9 and further pumped through a pump 110.
- Via an outlet valve 11 can be adjusted whether the coming out of the cooking chamber 9 cleaning solution is pumped for a new pass back into the storage tank 12R and the circulation tank 12R, or discharged via an output line 14 and disposed of properly.
- the cleaning solution can also be pumped out of the recirculation tank 12R via the pump 5, an outlet valve 50 and an outlet line 14 '. With the completion of the cleaning process, you can optionally rinse with fresh water.
- the cleaning device 200 according to the invention integrated into the commercial cooking appliance 100 can additionally have a second receiving nozzle 22 for receiving a container BK, in particular a bottle BK, with rinse aid 1K.
- the receiving nozzle 22 may be heated via a heater 22 a disposed thereon and / or equipped with a rinsing nozzle 22 b.
- the rinse aid 1 K can also be substantially emptied from its container BK, thereby ensuring complete utilization and thus an efficient rinsing process.
- the rinse aid 1 K is a powder, a granule or a liquid.
- the bottle BK is provided at its outlet opening with a sealing layer VS, preferably in the form of a film or in the form of a gel / wax graft.
- the closure layer VS can be dissolved by increasing the temperature and / or water or water vapor, so that the rinse aid 1 K passes by gravity into a storage tank 12K, at the upper end of the receiving nozzle 22 is arranged here.
- the sealing layer can also be mounted in a lid (not shown) of the bottle BK, so that the user only has to remove one covering layer and can insert the bottle after the receiving socket 22.
- the rinse aid 1 K is further liquefied further in the storage tank 12K optionally with the supply of fresh water via a fresh water supply 44 and using a stirring unit 3.
- the rinse aid is then introduced, if necessary, by means of a pump 55 via the line system 15 and via the nozzles 8 into the cooking chamber 9.
- the spent rinse aid is discharged via the outlet opening 10 and the pump 110, the valve 11 and the output line 14.
- the storage tank 12K then serves as a circulation tank for the rinse cycle (not shown).
- the cleaning device 200 comprises only the lower part shown in Figure 1 with thecertainstut- zen 2 for the solid detergent 1 R.
- the bottles in this variant preferably contain portions for a cleaning process or rinsing process (individual dosing).
- the cleaning device 200 according to the invention integrated in the commercial cooking appliance 100 has only one receiving nozzle 2 for a combination bottle B.
- This bottle B has both a detergent compartments RK or detergent chamber with a solid detergent 1 R and a rinse aid compartment KK or rinse aid chamber with a rinse aid 1 K for their single dosing.
- the rinse aid compartment KK is at its outlet opening with a sealing layer VS provided in the form of a film or a gel / Wachspfroppfens or the like (not shown).
- the combination bottle B is shown here only schematically.
- the bottle can preferably be designed as a double-chamber bottle with two chambers or partial bottles and separate neck openings as described above.
- the receiving port 2 is adapted to the double chamber bottle accordingly.
- the solids cleaning agent 1 R is first liquefied in the container B in the receiving nozzle 2 with the aid of the liquefying device 2 a, 2 b, essentially transferred into the storage tank 12 or the circulation container 12 and by means of a pump 5 via nozzles 8 into the cooking chamber 9 introduced.
- the rinse aid 1 K is in a second step by loosening the sealing layer VS, d. H. the film or the like, released by increasing the temperature and / or by means of rinsing nozzles and transferred substantially into the storage tank 12 or circulation tank 12.
- the rinse aid is also introduced below via the pump 5 in the cooking chamber 9 of the commercial cooking appliance.
- the used rinse aid is removed again via the outlet opening 10. After completion of the cleaning and / or rinsing process can optionally be rinsed here with fresh water.
- a multiple dosing from a container BR with solid detergent 1 R is made possible by a cleaning device 200 ', which is located at least partially in an external dosing device applied to the commercial cooking device 100'.
- the bottle has here, for example, a capacity of 0.5 to 10 kg solid detergent 1 R, preferably up to 2.5 kg and more preferably up to 1 kg.
- the external metering device in this case comprises a first part of the cleaning device 200 ', namely a first storage tank 13R with the receiving port 2 and the liquefying device 2a, 2b. This external metering device can easily via a line, such as a hose, z. B.
- the storage tank 13R has here a receiving volume for the cleaning concentrate or cleaning means, for at least two, preferably at least 5, more preferably at least 10 dosages. From the storage tank 13R, a single dose of the cleaning concentrate or of the cleaning agent can then be introduced into a second storage tank 6, here the circulation tank 6, and from this via a pump 5 and inlet openings 8, in particular nozzles 8, into the cooking space, respectively for a cleaning operation 9 of the commercial cooking appliance 100 'are transferred. The outlet of the used cleaning agent is again via the outlet opening 10.
- FIG. 4 likewise illustrates an embodiment of a preferred external dosing unit 200 'attached to a commercial cooking appliance 100', comprising the multi-dose cleaning device having first and second storage tanks 13R, 13K and associated receiving ports 2, 22.
- the second receiving port 22 In this case, the inclusion of a container BK including a rinse aid 1 K is provided.
- the first and second storage tank 13R, 13K also here each comprise a receiving volume for the cleaning agent or the rinse aid for at least two, preferably at least 5, more preferably at least 10 doses.
- the second storage tank 13K here has a separate fresh water supply 44.
- both storage tanks 13R, 13K of the external metering device are docked via lines, for example hoses, to the circulation tank 6 in the circulation circuit of the cooking device 100 '.
- a single dose of the cleaning concentrate or cleaning agent can be transferred from the storage tank 13R via a metering pump 7R into the further storage tank 6 or the circulation tank 6, liquefied if necessary by supplying fresh water via a fresh water supply 40 and transferred by means of a pump 5 Inlet openings 8 and 8 nozzles are transferred into the cooking chamber 9 of the commercial cooking appliance.
- a single dose of the rinse aid can be transferred via a metering pump 7K in the storage tank 6 and the circulation tank 6, liquefied on demand with supply of fresh water and transferred by the pump 5 via the inlet openings 8 in the cooking chamber 9.
- the simultaneous dosing of a detergent and a rinse aid excludes; however, the sequence of dosages can be done in a short sequence.
- the devices described in detail above are only exemplary embodiments which can be modified by the person skilled in many different ways without departing from the scope of the invention.
- the solid detergent, especially the solid gel could also be combined with known rinse variants, such as.
- rinse aid tabs that are added via a dosing or rinse aid tabs in a temperature-controlled water-soluble film that can be placed in the oven.
- the storage tanks are dispensed with a single dosage and the liquefied detergent and / or the rinse aid also directly, optionally in a cycle, are performed in the conduit system 15.
- the indefinite article "on” or "one” does not exclude that the characteristics in question may also be present multiple times.
- the term "unit” does not exclude that it also consists of several, possibly also spatially separated, subunits.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cleaning By Liquid Or Steam (AREA)
- Detergent Compositions (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
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DE102015109019.8A DE102015109019A1 (de) | 2015-06-08 | 2015-06-08 | Reinigungsvorrichtung für gewerbliche Gargeräte |
PCT/EP2016/062315 WO2016198293A1 (de) | 2015-06-08 | 2016-06-01 | Reinigungsvorrichtung für gewerbliche gargeräte |
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EP3303931A1 true EP3303931A1 (de) | 2018-04-11 |
EP3303931B1 EP3303931B1 (de) | 2023-07-26 |
EP3303931C0 EP3303931C0 (de) | 2023-07-26 |
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EP16726106.4A Active EP3303931B1 (de) | 2015-06-08 | 2016-06-01 | Reinigungsvorrichtung für gewerbliche gargeräte |
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US (1) | US10767871B2 (de) |
EP (1) | EP3303931B1 (de) |
DE (1) | DE102015109019A1 (de) |
ES (1) | ES2961952T3 (de) |
PL (1) | PL3303931T3 (de) |
WO (1) | WO2016198293A1 (de) |
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US20170313961A1 (en) * | 2016-05-02 | 2017-11-02 | Electrolux Home Products, Inc. | Steam clean booster powder |
TR201721740A2 (tr) * | 2017-12-26 | 2019-07-22 | Arcelik As | Tahli̇ye hatti i̇çeren bi̇r pi̇şi̇ri̇ci̇ ci̇haz |
DE102018202643A1 (de) * | 2018-02-21 | 2019-09-19 | Convotherm-Elektrogeräte Gmbh | Gargerät sowie Verfahren zum Reinigen eines Garraums eines Gargeräts |
DE102018118289A1 (de) | 2018-07-27 | 2020-01-30 | Debag Deutsche Backofenbau Gmbh | Reinigungssystem für die Reinigung des Garraums eines Gargeräts |
DE102020117841A1 (de) * | 2020-07-07 | 2022-01-13 | Rational Aktiengesellschaft | Reinigungschemiebaugruppe, Reinigungschemiebausystem und Gargerät |
DE102020117840A1 (de) * | 2020-07-07 | 2022-01-13 | Rational Aktiengesellschaft | Reinigungschemiebaugruppe, Reinigungschemiebausystem und Gargerät |
DE102020117842A1 (de) | 2020-07-07 | 2022-01-13 | Rational Aktiengesellschaft | Reinigungschemiebaugruppe und Gargerät |
DE102021200678A1 (de) * | 2021-01-26 | 2022-07-28 | BSH Hausgeräte GmbH | Durchführen eines Reinigungsablaufs eines wasserführenden Haushaltsgeräts |
DE102022129366A1 (de) | 2022-11-07 | 2024-05-08 | Rational Aktiengesellschaft | Reinigungschemiebaugruppe für ein Gargerät und Gargerät mit einer solchen Baugruppe |
DE102023100845A1 (de) | 2023-01-16 | 2024-07-18 | Welbilt Deutschland GmbH | Küchen- und/oder gastronomiegerät |
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-
2015
- 2015-06-08 DE DE102015109019.8A patent/DE102015109019A1/de active Pending
-
2016
- 2016-06-01 WO PCT/EP2016/062315 patent/WO2016198293A1/de active Application Filing
- 2016-06-01 US US15/580,429 patent/US10767871B2/en active Active
- 2016-06-01 PL PL16726106.4T patent/PL3303931T3/pl unknown
- 2016-06-01 EP EP16726106.4A patent/EP3303931B1/de active Active
- 2016-06-01 ES ES16726106T patent/ES2961952T3/es active Active
Also Published As
Publication number | Publication date |
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PL3303931T3 (pl) | 2024-03-04 |
US10767871B2 (en) | 2020-09-08 |
ES2961952T3 (es) | 2024-03-14 |
DE102015109019A1 (de) | 2016-12-08 |
US20180163972A1 (en) | 2018-06-14 |
EP3303931B1 (de) | 2023-07-26 |
EP3303931C0 (de) | 2023-07-26 |
WO2016198293A1 (de) | 2016-12-15 |
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