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WO2007032038A1 - Production process of a heating radiator for indoor use and radiator obtained with said process - Google Patents

Production process of a heating radiator for indoor use and radiator obtained with said process Download PDF

Info

Publication number
WO2007032038A1
WO2007032038A1 PCT/IT2006/000595 IT2006000595W WO2007032038A1 WO 2007032038 A1 WO2007032038 A1 WO 2007032038A1 IT 2006000595 W IT2006000595 W IT 2006000595W WO 2007032038 A1 WO2007032038 A1 WO 2007032038A1
Authority
WO
WIPO (PCT)
Prior art keywords
serpentine
panel radiator
formwork
radiator
panel
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.)
Ceased
Application number
PCT/IT2006/000595
Other languages
French (fr)
Inventor
Stefano Schiavoni
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.)
Imc Srl
Original Assignee
Imc Srl
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 Imc Srl filed Critical Imc Srl
Publication of WO2007032038A1 publication Critical patent/WO2007032038A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • F28F21/04—Constructions of heat-exchange apparatus characterised by the selection of particular materials of ceramic; of concrete; of natural stone
    • F28F21/045—Constructions of heat-exchange apparatus characterised by the selection of particular materials of ceramic; of concrete; of natural stone for domestic or space-heating systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/047—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
    • F28D1/0477—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag the conduits being bent in a serpentine or zig-zag
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • F28F21/06—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material
    • F28F21/062—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material the heat-exchange apparatus employing tubular conduits
    • F28F21/063—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material the heat-exchange apparatus employing tubular conduits for domestic or space-heating systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2275/00—Fastening; Joining
    • F28F2275/02—Fastening; Joining by using bonding materials; by embedding elements in particular materials

Definitions

  • the present patent application refers to a production process of a heating radiator for indoor use together with the radiator obtained with said process.
  • heating systems based on high-temperature water circulation employ radiators installed in different rooms and suitably connected to water circulation systems.
  • radiators have different shapes, a common characteristic is the presence of a metal structure with serpentine for hot water circulation from the inlet nozzle to the outlet nozzle.
  • Traditional metal radiators are still very popular, in spite of considerable disadvantages.
  • the first disadvantage refers to the fact that heat is always transferred by convection in the presence of a radiator with metal structure (i.e. steel, cast iron, etc.). This phenomenon creates large, unpleasant convective motions inside the room, with poor uniformity of temperatures reached in different points of the same room.
  • the purpose of the present invention is to devise a new type of radiators capable of providing better and more uniform heating modes in the room.
  • Another purpose of the present invention is to produce a radiator with an easier and more economic process compared to the one that is currently used to produce traditional iron cast or steel radiators.
  • the radiator obtained in compliance with the present invention is also appreciated for its capability to characterise the indoor space with originality compared to the previous technique.
  • the radiator obtained from the process of the invention completely renounces the use of the metal structure and the traditional serpentine that is typical of all iron cast or steel existing radiators.
  • the present invention is based on the placement of a serpentine obtained from a polyethylene pipe inside a formwork, complete with the unions that are necessary for connection to a traditional system for hot water circulation; then, the formwork is filled with fluid mortar obtained from a mixture of suitable components to ensure good heat transmission and dissipation, until the serpentine is buried. After setting, the mortar originates a sort of rigid panel that contains the serpentine and is laterally provided with the necessary inlet and outlet unions for the water.
  • the said panel is connected to the heating system by means of the said inlet and outlet nozzles.
  • the aforementioned panel structure of the radiator of the invention together with the use of a special mortar, guarantees more uniform and more efficient heat transfer compared to traditional radiators, thanks to the larger heat exchange surface at the same volume.
  • the use of the radiator of the invention reduces the unpleasant air motions that are typical of rooms equipped with metal radiators and avoids non-uniformity in the temperature values recorded in different points of the room.
  • the substantially "neutral" shape of the radiator obtained with the process of the invention which basically imitates a simple concrete panel, is especially useful and efficacious to provide clean, linear shapes in modern interiors.
  • - fig. 1 is an axonometric view of the new radiator obtained with the process of the invention
  • - fig. 2 is the same as fig. 1 and shows the internal structure of the radiator
  • - fig. 3 is the same as fig. 2 and refers to another embodiment of the process of the invention.
  • the process of the invention consists in the ordered sequence of the following operations:
  • the mortar used in the process of the invention is obtained by mixing:
  • the serpentine (2) may also be given a rigid structure, e.g. a "rack" structure, obtained by connecting different rigid pipe sections, as shown in fig. 3.
  • a rigid structure e.g. a "rack" structure, obtained by connecting different rigid pipe sections, as shown in fig. 3.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
  • Central Heating Systems (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)

Abstract

Production process of a panel radiator (R) for heating systems consisting in the ordered sequence of the following operations: insertion of a radiant serpentine (2) equipped with an air valve (2c) and two inlet and outlet nozzles (2a, 2b) inside a formwork, with the nozzles (2a, 2b) and the air valve (2c) in external position with respect to the formwork; pouring of fluid concrete mortar with high thermal transfer coefficient into said formwork until the formwork is completely filled; extraction of the panel radiator (R) from the formwork after setting.

Description

Description
Production process of a heating radiator for indoor use and radiator obtained with said process.
The present patent application refers to a production process of a heating radiator for indoor use together with the radiator obtained with said process.
As it is known, heating systems based on high-temperature water circulation employ radiators installed in different rooms and suitably connected to water circulation systems.
Although radiators have different shapes, a common characteristic is the presence of a metal structure with serpentine for hot water circulation from the inlet nozzle to the outlet nozzle. Traditional metal radiators are still very popular, in spite of considerable disadvantages.
The first disadvantage refers to the fact that heat is always transferred by convection in the presence of a radiator with metal structure (i.e. steel, cast iron, etc.). This phenomenon creates large, unpleasant convective motions inside the room, with poor uniformity of temperatures reached in different points of the same room.
Additionally, commercially available metal radiators have standardised shapes that are no longer capable of characterising the indoor space with originality.
In view of the above, the purpose of the present invention is to devise a new type of radiators capable of providing better and more uniform heating modes in the room.
Another purpose of the present invention is to produce a radiator with an easier and more economic process compared to the one that is currently used to produce traditional iron cast or steel radiators.
As a secondary result, the study carried out to devise a radiator with the said advantageous characteristiόs has originated a product with a different, highly innovative structure compared to traditional metal radiators.
Moreover, the radiator obtained in compliance with the present invention is also appreciated for its capability to characterise the indoor space with originality compared to the previous technique.
The radiator obtained from the process of the invention completely renounces the use of the metal structure and the traditional serpentine that is typical of all iron cast or steel existing radiators.
The present invention is based on the placement of a serpentine obtained from a polyethylene pipe inside a formwork, complete with the unions that are necessary for connection to a traditional system for hot water circulation; then, the formwork is filled with fluid mortar obtained from a mixture of suitable components to ensure good heat transmission and dissipation, until the serpentine is buried. After setting, the mortar originates a sort of rigid panel that contains the serpentine and is laterally provided with the necessary inlet and outlet unions for the water.
Evidently, the said panel is connected to the heating system by means of the said inlet and outlet nozzles. The aforementioned panel structure of the radiator of the invention, together with the use of a special mortar, guarantees more uniform and more efficient heat transfer compared to traditional radiators, thanks to the larger heat exchange surface at the same volume.
The use of the radiator of the invention reduces the unpleasant air motions that are typical of rooms equipped with metal radiators and avoids non-uniformity in the temperature values recorded in different points of the room.
The substantially "neutral" shape of the radiator obtained with the process of the invention, which basically imitates a simple concrete panel, is especially useful and efficacious to provide clean, linear shapes in modern interiors.
For purposes of clarity the description of the invention continues with reference to the enclosed drawing, which is intended for purposes of illustration only and not in a limiting sense, whereby:
- fig. 1 is an axonometric view of the new radiator obtained with the process of the invention; - fig. 2 is the same as fig. 1 and shows the internal structure of the radiator;
- fig. 3 is the same as fig. 2 and refers to another embodiment of the process of the invention. With reference to. the enclosed figures, the process of the invention consists in the ordered sequence of the following operations:
- fixing against a section of support metal mesh (1) of a serpentine (2) with any shape and size, obtained with a high-density reticular polyethylene pipe and provided with an inlet nozzle (2a) and an outlet nozzle (2b) for connection by means of suitable unions to a traditional hydraulic heating system, and with a traditional air valve (2c);
- insertion of the metal mesh (1) and serpentine (2) fixed to it inside a formwork with preferably parallelepiped structure;
- pouring of fluid concrete mortar into said formwork until the formwork is filled and the metal mesh (1 ) and serpentine (2) are completely buried, except for the inlet (2a) and outlet (2b) nozzles and air valve (2c); it being provided that the mortar is obtained from a mixture of components able to ensure high heat transfer after setting;
- extraction of the panel radiator (R) from the formwork (3), after mortar has set;
- processing of the radiator (R) with other operations to obtain the desired surface finish and/or colour for the radiator walls. The selection of high-density reticular polyethylene for the serpentine
(2) is justified by the fact that this material has an excellent resistance to ageing and suitable characteristics in terms of weight, resistance to corrosion, low load loss, soundlessness, and great flexibility in order to allow the serpentine (2) to absorb thermal expansion. A different material can be used for this purpose, while still falling in the same inventive scope, on condition that it is provided with equivalent characteristics. The mortar used in the process of the invention is obtained by mixing:
- cement (acting as glue)
- siliceous inert material or equivalent (able to guarantee high heat transfer)
- glass fibre designed to act as framework for the entire panel radiator (R)
- additives to improve the technical characteristics of the mixture, such as fluidizing agents and acrylic resins.
While still falling within the scope of the invention, the serpentine (2) may also be given a rigid structure, e.g. a "rack" structure, obtained by connecting different rigid pipe sections, as shown in fig. 3.

Claims

Claims
1 ) Production process of a panel radiator for heating systems, characterised in that it consists in the ordered sequence of the following operations:
- insertion of a radiant serpentine (2) equipped with an air valve (2c) and two inlet and outlet nozzles (2a, 2b) inside a formwork, with the nozzles (2a, 2b) and the air valve (2c) in external position with respect to the formwork;
- pouring of fluid concrete mortar with high thermal transfer coefficient into said formwork until the formwork is completely filled;
- extraction of the panel radiator (R) from the formwork after setting.
2) Process as defined in claim 1 , characterised in that the serpentine (2) is supported by a section of metal mesh (1 ) during insertion in the formwork.
3) Process as defined in the previous claims, characterised in that the concrete mortar is made of the following components:
- cement (acting as glue)
- siliceous inert material or equivalent (able to guarantee high heat transfer) - glass fibre designed to act as framework for the entire panel radiator (R)
- fluidizing agents and/or acrylic resins.
4) Panel radiator characterised in that it comprises a radiant serpentine (2) buried into a rigid panel obtained from pouring concrete mortar with high thermal transfer coefficient, with the inlet and outlet nozzles (2a 2b) of the serpentine (2) and the air valve (2c) imlateral external position.
5) Panel radiator as defined in claim 4, characterised in that the serpentine (2) is supported by a section of metal mesh (1).
6) Panel radiator as defined in claims 4 and 5, characterised in that the serpentine (2) is made of a single flexible pipe. 7) Panel radiator as defined in claim 4, characterised in that the serpentine (2) is made of a plurality of suitably soldered rigid pipe sections.
8) Panel radiator as defined in claims 4 to 7, characterised in that the serpentine (2) is made of plastic material.
9) Panel radiator as defined in claim 6, characterised in that the serpentine (2) is made of a high-density reticular polyethylene pipe. 10) Panel radiator as defined in claims 4 to 9, characterised in that it is obtained from concrete mortar made of the following components:
- cement (acting as glue)
- siliceous inert material or equivalent (able to guarantee high heat transfer)
- glass fibre designed to act as framework for the entire panel radiator (R)
- fluidizing agents and/or acrylic resins.
PCT/IT2006/000595 2005-09-14 2006-08-03 Production process of a heating radiator for indoor use and radiator obtained with said process Ceased WO2007032038A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMC20050093 ITMC20050093A1 (en) 2005-09-14 2005-09-14 PROCEDURE FOR THE CONSTRUCTION OF A RADIATOR FOR HEATING INTERIORS AND RADIATOR OBTAINED THROUGH THIS PROCEDURE.
ITMC2005A000093 2005-09-14

Publications (1)

Publication Number Publication Date
WO2007032038A1 true WO2007032038A1 (en) 2007-03-22

Family

ID=37499191

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IT2006/000595 Ceased WO2007032038A1 (en) 2005-09-14 2006-08-03 Production process of a heating radiator for indoor use and radiator obtained with said process

Country Status (2)

Country Link
IT (1) ITMC20050093A1 (en)
WO (1) WO2007032038A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2474444A (en) * 2009-10-14 2011-04-20 Superseal Glassfibre Roofing Ltd Radiator moulded from cement with embedded flow duct and mountings
NL1038390C2 (en) * 2010-11-17 2012-05-22 Wilhelmus Gerardus Uden METHODS FOR MANUFACTURING A HEATING DEVICE, HEATING DEVICE MANUFACTURED IN ACCORDANCE WITH SUCH A METHOD, AND FURNITURE INCLUDING SUCH A HEATING DEVICE.

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1014018B (en) * 1954-11-10 1957-08-14 Axel Nore Alexander Axlander Process for the manufacture of heating elements or cooling elements from one or more pipe systems embedded in a jacket
DE2018982A1 (en) * 1970-04-21 1971-11-04 Monoflo International Establishment, Ruggell (Liechtenstein) Floor heating system using polyethylenetubing
FR2441131A1 (en) * 1978-11-10 1980-06-06 Gubser Emil Central heating system radiator - has metal pipe embedded in terracotta divided in centre in two halves
US4607791A (en) * 1984-12-05 1986-08-26 Gantner Phillip E Hydronic room heating device
DE8905365U1 (en) * 1988-04-28 1989-06-29 Oberleitner, Johann, Kirchdorf Room radiators
EP0655585A1 (en) * 1993-11-29 1995-05-31 Kunibert Breidenbach Heating element
EP1258465A1 (en) * 2001-05-15 2002-11-20 Electricité de France Concrete composition of reactive powders and method for making an element thereof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1014018B (en) * 1954-11-10 1957-08-14 Axel Nore Alexander Axlander Process for the manufacture of heating elements or cooling elements from one or more pipe systems embedded in a jacket
DE2018982A1 (en) * 1970-04-21 1971-11-04 Monoflo International Establishment, Ruggell (Liechtenstein) Floor heating system using polyethylenetubing
FR2441131A1 (en) * 1978-11-10 1980-06-06 Gubser Emil Central heating system radiator - has metal pipe embedded in terracotta divided in centre in two halves
US4607791A (en) * 1984-12-05 1986-08-26 Gantner Phillip E Hydronic room heating device
DE8905365U1 (en) * 1988-04-28 1989-06-29 Oberleitner, Johann, Kirchdorf Room radiators
EP0655585A1 (en) * 1993-11-29 1995-05-31 Kunibert Breidenbach Heating element
EP1258465A1 (en) * 2001-05-15 2002-11-20 Electricité de France Concrete composition of reactive powders and method for making an element thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2474444A (en) * 2009-10-14 2011-04-20 Superseal Glassfibre Roofing Ltd Radiator moulded from cement with embedded flow duct and mountings
NL1038390C2 (en) * 2010-11-17 2012-05-22 Wilhelmus Gerardus Uden METHODS FOR MANUFACTURING A HEATING DEVICE, HEATING DEVICE MANUFACTURED IN ACCORDANCE WITH SUCH A METHOD, AND FURNITURE INCLUDING SUCH A HEATING DEVICE.
BE1019924A5 (en) * 2010-11-17 2013-02-05 Uden Wilhelmus Gerardus Van METHODS FOR MANUFACTURING A HEATING DEVICE, HEATING DEVICE MANUFACTURED IN ACCORDANCE WITH SUCH A METHOD, AND FURNITURE INCLUDING SUCH A HEATING DEVICE.

Also Published As

Publication number Publication date
ITMC20050093A1 (en) 2007-03-15

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