GB2402463A - Portable refrigeration equipment - Google Patents
Portable refrigeration equipment Download PDFInfo
- Publication number
- GB2402463A GB2402463A GB0312672A GB0312672A GB2402463A GB 2402463 A GB2402463 A GB 2402463A GB 0312672 A GB0312672 A GB 0312672A GB 0312672 A GB0312672 A GB 0312672A GB 2402463 A GB2402463 A GB 2402463A
- Authority
- GB
- United Kingdom
- Prior art keywords
- unit
- coldroom
- bulk storage
- portable refrigeration
- fan unit
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D15/00—Devices not covered by group F25D11/00 or F25D13/00, e.g. non-self-contained movable devices
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
A portable refrigeration unit for use in a bulk storage coldroom includes a condensing unit 8 and a fan unit 10 mounted on a moveable trolley, which includes castors 6 and a box section steel framework 4. The condensing unit is demountable from the trolley and may be positioned outside the bulk storage coldroom and the fan unit remains with the trolley and is positioned inside the bulk storage coldroom. In operation, cooling liquid passes between the condensing unit and the fan unit via hoses 12, and the condensing unit and fan unit are each powered by a single phase 13amp mains electricity supply and have a power consumption of 1kw. When the fan unit is within the coldroom the electrical connection is fed through a coldroom seal.
Description
Portable Refrigeration Equipment This invention relates to refrigeration
equipment and in particular to refrigeration equipment for use in bulk storage coldrooms.
In supermarkets, chilled foods not displayed on the sales floor are held in bulk storage coldrooms. These can be significant in size. Temperatures in these rooms are maintained at between zero and 4 C depending on the products being stored.
Cooling is performed by providing a refrigeration unit and fans mounted at high level in the storage rooms.
These in turn are powered either from remote plants usually situated elsewhere in the building or from local power supplies.
If there is a plant or power failure then the storage coldroom if left closed will hold temperatures reasonably steady for a short while but this will then gradually increase. The rate at which temperature will increase will depend on the age and specification of the insulation material and ambient temperature. Typically temperatures will rise to unacceptable levels within an hour or so.
If nothing is done, then the chilled foods will rapidly reach high temperatures and after that will not be saleable. Because of this, the normal procedure is to decant the contents of the storage coldroom to one or more refrigerated trailers, provided one can be made available at short notice. If this not done then the stock will be lost.
Many supermarkets possess local generators and therefore power can be provided. However, this is not always sufficient to power all the refrigerated plant at a site. Thus, if there is a failure in plant or power the only backup provision available is to bring in a lorry and refrigerated trailer.
Preferred embodiments of the present invention provide a mobile refrigeration unit for use in a storage coldroom.
Preferably the mobile refrigeration unit is powered by mains electricity and a standard single phase mains connection with an electrical connection that can be fed through one of the coldroom seals. Thus, it is not necessary to empty the coldroom. The power supply can be linked to an emergency generator.
The invention is defined in more detail in the appended claims to which reference should now be made.
A specific embodiment of the invention will now be described in detail by way of example with reference to the single figure which shows a mobile refrigeration unit embodying the invention.
The embodiment of the invention shown in the figure comprises a split packaged refrigeration unit 2 which is mounted within a box section steel framework 4 and with castors 6 for easy movement. The split package refrigeration unit comprises a refrigeration plant 8 and fan unit 10. The refrigeration unit 8 is located at the base of the box section steel framework with the fan unit mounted above it.
Use of the box section steel framework allows the unit to be easily moved to and within a coldroom or loaded onto a van for transportation.
When in use, the unit is wheeled to the door of the coldroom where it is to be deployed. The refrigeration/condensing unit 6 is unloaded from the unit and will normally be sited outside the coldroom. This is because the refrigeration unit gives off warm air from its heat exchanger. The box section steel frame can then be wheeled into the coldroom and positioned so that the fan unit 10 blows air towards the centre of the room or whichever part of the room it is desired to aim the fan to ensure good circulation. The fan is supported at an angle designed to give good air circulation within the room.
Cooling liquid passes from the refrigeration units to the fan unit and then back to the refrigeration unit via hoses 12. A bucket or the like is required to collect condensate water from the refrigeration unit.
The condensing unit and fan unit are both designed to be powered by a 13amp single phase mains circuit.
In a preferred embodiment, the refrigeration unit has a capacity of around lkW and is designed to uphold the temperature within a 18m3 chilled temperature room overnight with a maximum ambient outside temperature of 30 C. When larger rooms are to be cooled, more than one unit can be installed. The above figures assume that the coldroom door remains closed once the unit has been deployed.
The unit could also be used to create a temporary coldroom in a suitable enclosure to hold stock whilst remedial work is carried out to an existing coldroom if it turns out that the problem is with the fabric of that coldroom or if there is some other problem such as contamination by smoke or the like.
Larger or smaller units can be produced as desired, but if units are significantly larger then they will be more difficult to transport.
Claims (6)
1. A portable refrigeration unit for use in a bulk storage coldroom.
2. A portable refrigeration unit according to claim 1 comprising a condensing unit and a fan unit mounted on a moveable trolley.
3. A portable refrigeration unit according to claim 2 in which the condensing unit is Remountable from the trolley whereby the condensing unit may be positioned outside the bulk storage coldroom and the fan unit positioned inside the bulk storage coldroom.
4. A portable refrigeration unit according to any of claims 2 or 3 in which the condensing unit and the fan unit are each powered by a single phase 13amp mains circuit.
5. A portable refrigeration unit according to any preceding claim with a power consumption of substantially lkW.
6. A portable refrigeration unit substantially as herein described with reference to the figure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0312672A GB2402463B (en) | 2003-06-02 | 2003-06-02 | Portable refrigeration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0312672A GB2402463B (en) | 2003-06-02 | 2003-06-02 | Portable refrigeration equipment |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB0312672D0 GB0312672D0 (en) | 2003-07-09 |
| GB2402463A true GB2402463A (en) | 2004-12-08 |
| GB2402463B GB2402463B (en) | 2005-11-02 |
Family
ID=9959198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB0312672A Expired - Fee Related GB2402463B (en) | 2003-06-02 | 2003-06-02 | Portable refrigeration equipment |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2402463B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB407328A (en) * | 1932-09-13 | 1934-03-13 | Frank Heywood | Improvements in the utilisation of solid carbon dioxide as refrigerant |
| GB814252A (en) * | 1954-12-16 | 1959-06-03 | Sebastian Sebastien Corhanidis | Refrigerating means |
| GB1232083A (en) * | 1968-05-31 | 1971-05-19 | ||
| GB2005819A (en) * | 1977-09-08 | 1979-04-25 | Consolair Ltd | Air conditioning |
| GB2150278A (en) * | 1983-11-18 | 1985-06-26 | Teledyne Ind | Cooling cabins of parked aircraft |
| WO2000026591A1 (en) * | 1998-10-30 | 2000-05-11 | Silvestre Crespo Jose Luis | Transportable refrigerator for bottles and cardboard packages |
| GB2356692A (en) * | 1999-11-25 | 2001-05-30 | Francis Floyd Livesey | A portable cooling unit |
-
2003
- 2003-06-02 GB GB0312672A patent/GB2402463B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB407328A (en) * | 1932-09-13 | 1934-03-13 | Frank Heywood | Improvements in the utilisation of solid carbon dioxide as refrigerant |
| GB814252A (en) * | 1954-12-16 | 1959-06-03 | Sebastian Sebastien Corhanidis | Refrigerating means |
| GB1232083A (en) * | 1968-05-31 | 1971-05-19 | ||
| GB2005819A (en) * | 1977-09-08 | 1979-04-25 | Consolair Ltd | Air conditioning |
| GB2150278A (en) * | 1983-11-18 | 1985-06-26 | Teledyne Ind | Cooling cabins of parked aircraft |
| WO2000026591A1 (en) * | 1998-10-30 | 2000-05-11 | Silvestre Crespo Jose Luis | Transportable refrigerator for bottles and cardboard packages |
| GB2356692A (en) * | 1999-11-25 | 2001-05-30 | Francis Floyd Livesey | A portable cooling unit |
Also Published As
| Publication number | Publication date |
|---|---|
| GB0312672D0 (en) | 2003-07-09 |
| GB2402463B (en) | 2005-11-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20070602 |