EP3999452A1 - Transport d'un produit à transporter - Google Patents

Transport d'un produit à transporter

Info

Publication number
EP3999452A1
EP3999452A1 EP20737221.0A EP20737221A EP3999452A1 EP 3999452 A1 EP3999452 A1 EP 3999452A1 EP 20737221 A EP20737221 A EP 20737221A EP 3999452 A1 EP3999452 A1 EP 3999452A1
Authority
EP
European Patent Office
Prior art keywords
chamber
fluid
conveying
delivery chamber
conveyed
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.)
Pending
Application number
EP20737221.0A
Other languages
German (de)
English (en)
Inventor
Gerald Rosenfellner
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.)
Primetals Technologies Austria GmbH
Original Assignee
Primetals Technologies Austria GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Primetals Technologies Austria GmbH filed Critical Primetals Technologies Austria GmbH
Publication of EP3999452A1 publication Critical patent/EP3999452A1/fr
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
    • B65G17/06—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface having a load-carrying surface formed by a series of interconnected, e.g. longitudinal, links, plates, or platforms
    • B65G17/063—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface having a load-carrying surface formed by a series of interconnected, e.g. longitudinal, links, plates, or platforms the load carrying surface being formed by profiles, rods, bars, rollers or the like attached to more than one traction element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G21/00—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors
    • B65G21/08—Protective roofs or arch supports therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
    • F27B9/20—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace
    • F27B9/24—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace being carried by a conveyor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
    • F27B9/20—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace
    • F27B9/24—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace being carried by a conveyor
    • F27B9/243—Endless-strand conveyor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge

Definitions

  • the invention relates to a conveyor system.
  • a reactive conveyed item is understood here to mean a conveyed item that is chemically and / or physically with the conveyor system
  • the conveying mechanism of the conveyor system is also exposed to high temperatures, so that it has to be cooled or made of expensive, heat-resistant materials.
  • reactive material to be conveyed for example by chemical reactions of the
  • an inert gas for example nitrogen, is often used to keep oxygen away from the environment of the material to be conveyed.
  • the invention is based on the object of specifying an improved conveyor system.
  • Material to be conveyed along a conveying path has a conveying chamber through which the conveying path passes.
  • At least one component of a conveying mechanism for conveying the conveyed material is arranged at least outside the conveying chamber. This allows beneficial, sensitive
  • the conveyor mechanism has a traction mechanism drive with at least one traction mechanism with which the carrier elements for conveying the conveyed material can be moved.
  • the conveyed material is, for example, directly through the carrier elements or in to the
  • Transported containers arranged carrier elements.
  • the carrier elements are arranged in the conveying chamber and protrude from this through a passage opening.
  • Traction mechanism drives and thus moving carrier elements are particularly suitable for transporting reactive, hot and / or abrasive material to be conveyed due to their robustness and their low maintenance requirements.
  • conveyor mechanics can be understood to mean all parts of the system that are used to transfer conveying energy to the conveyed goods. This can also include an optionally used container for the conveyed goods.
  • the conveyor mechanism can have drive wheels that
  • Drive wheels can be provided with bearings and lubrication. Furthermore, at least one motor and at least one transmission can be provided for the drive. Support elements can be formed in one piece or also consist of several elements. You can choose from just one
  • parts of the conveyor system are at least within the conveyor chamber and / or in the area of the
  • the thermal insulation material is used for thermal insulation or thermal insulation.
  • Thermal insulation is as a reduction in the passage of
  • Temperatures are above the temperature of the conveyed goods and allow thermal insulation to be achieved.
  • Materials suitable for thermal insulation have a low thermal conductivity; typically lies the
  • the thermal insulation material is intended to inhibit heat transfer from hot material to be conveyed to the conveyor mechanism.
  • the heat flow from the hot material to be conveyed is inhibited as a result of the thermal resistance of the thermal insulation material.
  • Thermal insulation material can be used to prevent heat energy from flowing away to inhibit hotter components, and it can be used to inhibit the penetration of thermal energy into colder components.
  • thermal insulation material for example, fire-spraying compounds, refractory concrete, molded parts with low thermal conductivity, thermal insulation bricks, fireclay, or even material based on fibers such as ceramic fibers or
  • the thermal insulation material can be constructed in one or more layers.
  • a separating surface between a surface of the conveying chamber within the conveying chamber and at least one adjacent outer surface is the
  • the surfaces are the
  • the delivery chamber is at least partially provided with the thermal insulation material towards an environment.
  • the insulation of the housing is not absolutely necessary, but useful because of:
  • Heat source or, in other words, insulation against the flow of heat within an area.
  • one begins at the passage opening of the carrier elements and insulates in the direction of the container
  • connection piece This prevents the flow of heat from penetrating into the carrier element.
  • the penetration surface for heat becomes smaller. If the entire surface of the carrier element is provided with insulation, only a connection piece to the container remains as a heat conductor.
  • a material with a low coefficient of thermal conductivity can be selected for the connection piece and / or a thermal resistance at a connection point from the
  • Connection piece to the carrier element or from the container to the connection piece and / or insulation of the container can be provided.
  • the heat source itself can also be isolated.
  • the carrier elements (preferably completely) and / or the containers, if present, can be at least partially insulated in the conveying chamber.
  • Traction means such as chains, are significantly reduced.
  • the traction device itself is not thermally insulated
  • a carrier element can be insulated without gaps, in contrast, for example, to the insulation of a wall of the delivery chamber which has the at least one passage opening.
  • surfaces of the carrier elements are at least within the delivery chamber and / or in the area of the
  • At least one container for receiving the conveyed material is arranged on at least one of the carrier elements, one surface and / or inner surface of the container being at least partially provided with a thermal insulation material.
  • Heat conduction from the conveyed material is heated and subsequently conducts heat into the traction means, which for example can comprise at least one chain. This increases the temperature on the traction mechanism and / or the bearings and / or the support elements so that very expensive materials for the bearings or
  • the thermal insulation material used on the surfaces of the carrier elements within the conveying chamber and / or in the area of the passage opening reduces the heat input into the carrier elements made of hot conveyed goods, so that the heat load on the bearings and traction means is also reduced.
  • the reliability of the conveyor system is improved.
  • the containers for receiving the conveyed material can be provided with thermal insulation material in order to provide thermal insulation as far as possible up to the heat source, that is to say the hot conveyed material
  • Delivery chamber can be reached. However, only the containers are used, but not the
  • Carrier elements provided with thermal insulation material, the heat transfer from the inside of the delivery chamber
  • Container in the carrier elements by conduction
  • Thermal radiation is reduced, but not the heat input through convection from the containers that are open at the top.
  • Carrier elements for example steel or cast iron
  • Thermal insulation of the carrier elements is carried out almost completely within the delivery chamber.
  • Passage opening be provided with the thermal insulation material, whereby a direct contact of the material of the
  • Carrier main construction material with the atmosphere of the hot conveyor chamber is avoided.
  • the maximum temperature of the carrier main construction material is thus located behind a thermal insulation material, whereby the
  • Beam main construction material is substantially reduced.
  • Main structural material is high, is through
  • Traction means, for example the conveyor chain, lowered immediately, for example by up to 150 ° C. Thermal insulation at the point remote from the conveyor chain thus has a direct influence on the conveyor chain temperature.
  • the surface of the carrier elements can be in the area of the passage opening and optionally one thereon
  • Delivery chamber is provided with the thermal insulation material.
  • at least one secondary chamber is provided which is connected to the delivery chamber through the at least one passage opening, the carrier elements protruding through the at least one passage opening into the at least one secondary chamber and the traction means being arranged in at least one of the secondary chambers.
  • the arrangement of components of the conveyor mechanism in a secondary chamber allows these components to be cooled relatively easily in the secondary chamber, for example through into the
  • Fluid directed to the secondary chamber and / or through a separate cooling device is directed to the secondary chamber and / or through a separate cooling device.
  • the carrier elements can also be used to seal off the secondary chamber from the conveying chamber.
  • the traction means is arranged in a secondary chamber arranged on the side of the conveying chamber, the traction means is spatially further separated from the conveyed material, which is particularly the case with the
  • Transporting hot material to be conveyed is advantageous since the traction means is heated less by the material to be conveyed in this case and therefore also has to be cooled less.
  • the surfaces of the secondary chambers can only be connected to the delivery chamber via heat-insulated surfaces, so that the heat input into the atmosphere of the secondary chamber can be kept small.
  • surfaces of the carrier elements outside the conveying chamber are not connected to a
  • thermal insulation material This makes it easier
  • Radiation of heat from the support elements outside the Delivery chamber can thus reduce the heat input into the traction mechanism and bearings.
  • Main structural material of the carrier in the conveying chamber results in a lowering of the temperature in the region of the
  • Traction means for example chains, bearings and wheels, as the heat output is significantly reduced by the non-insulated surface.
  • material of the support elements themselves are not
  • Conveyor chains can absorb higher maximum tensile forces or lighter conveyor chains can be used f) In the event of a conveyor failure, no forced cooling is necessary,
  • the surfaces are the
  • Carrier elements outside the delivery chamber are at least partially also provided with a thermal insulation material.
  • a portion of the heat that penetrates the carrier element in the vicinity of a heat source, such as hot conveyed goods - for example in the conveying chamber - is at a greater distance from the heat source, such as hot conveyed goods, - for example outside the conveying chamber - where lower temperatures prevail, leave the carrier element, so the carrier element cools there.
  • a heat source such as hot conveyed goods - for example in the conveying chamber -
  • the carrier element cools there.
  • Delivery chamber - be smaller, which is beneficial to the mechanical stability and resilience.
  • thermal stress on components connected to the carrier element is reduced, which reduces the wear and tear that is thermally caused for these
  • the secondary chamber has a physically and / or chemically different from a fluid atmosphere in the delivery chamber
  • the at least one passage opening and the fluid atmospheres in the delivery chamber and in the At least one secondary chamber can be designed to set a defined fluid flow in the system housing. It may be sufficient to consider the natural movement of the fluid flow (natural draft) with regard to the
  • a fluid atmosphere in a chamber is understood to mean the chemical and physical properties, for example the chemical composition, the pressure or the temperature, of a fluid that is located in the chamber.
  • a fluid is a gas or a liquid
  • the conveyor system thus enables a defined fluid flow in a system housing of the conveyor system. This is achieved by dividing a system housing into a delivery chamber and at least one secondary chamber, which have fluid atmospheres that are different from one another and are connected by at least one passage opening.
  • the arrangement of the conveying path in a conveying chamber enables the conveying path to be largely encapsulated in relation to the environment, so that the conveyed goods are protected from environmental substances and in particular
  • Oxygen is largely sealed off from the environment.
  • the conveying chamber and the at least one secondary chamber also enables environmental substances to be kept away
  • System housing at least one fluid inlet and at least has a fluid outlet and, apart from the at least one fluid inlet and the at least one fluid outlet, is designed to be fluid-tight or approximately fluid-tight.
  • Fluid tightness is understood here to mean a fluid tightness that satisfies a technical specification.
  • This largely fluid-tight design of the system housing limits the escape of fluid from the system housing to the fluid outlets, so that only a relatively small amount of fluid escapes from the system housing.
  • the exit of fluid through the defined fluid outlets enables fluid emerging from the system housing to be at least partially collected in a targeted manner and returned to the system housing
  • the largely fluid-tight design of the system housing also advantageously reduces the penetration of environmental substances surrounding the conveyor system into the system housing. It is often sufficient if the housing is almost fluid-tight. Complete gas tightness is not always necessary. Rather, allowed leak rates can be specified for the respective application.
  • Carrier elements at least partially the delivery chamber from a secondary chamber in which at least one traction means is arranged.
  • the carrier elements can be made so wide that they minimize the slot area along the passage opening.
  • the support elements can be in the area of
  • the passage opening should be as wide as possible without colliding.
  • Another embodiment of the invention provides that an opening width of at least one passage opening varies along the course of the passage opening. Areas of a
  • Ancillary chambers with narrower passage openings are particularly advantageously suitable for cooling components of the conveying mechanism arranged there with fluid directed into the ancillary chamber, since particularly high fluid flows of the fluid result in these areas. Furthermore, areas of a secondary chamber with narrower passage openings are particularly advantageous for the introduction of fluid into the secondary chamber, because in these areas less fluid flows from the secondary chambers into the delivery chamber than in areas with further passage openings, so that the introduced fluid over larger areas of the secondary chamber can be distributed.
  • Areas with further passage openings are advantageously suitable for directing larger quantities of fluid into the delivery chamber in a targeted manner and thereby influencing the fluid flow in the delivery chamber more strongly. Therefore, by targeted variation of the opening width of a passage opening, suitable areas of the secondary chamber for cooling of
  • Support elements for positioning Fluideinläs sen and for influencing the fluid flow in the system housing are defined.
  • Cooling device for cooling at least one secondary chamber.
  • components of the conveying mechanism that are arranged in the secondary chamber can be cooled, if cooling by the fluid is not provided or not
  • Fluid feed or a fluid circulation system which comprises at least one secondary chamber and for conducting a fluid through at least one passage opening between the secondary chamber and the delivery chamber, for example from the Secondary chamber in the delivery chamber or vice versa, is formed.
  • a fluid circulation system can
  • the consumption of fluid can be further reduced, since fluid discharged from a secondary chamber via the
  • Fluid circulation system is fed back to a secondary chamber, so that this fluid remains in the fluid circulation system.
  • a complete fluid circulation system is not absolutely necessary. In many cases it is sufficient to feed in the fluid with which the pressure conditions that arise due to the natural draft can be influenced in such a way that they meet the requirements of the mechanical parts or the material to be conveyed.
  • the fluid circulation system can have at least one heat exchanger for cooling a fluid supplied to a secondary chamber. This can do this through the heat exchanger
  • the conveyor system can have a
  • Fluid recycling unit can be a
  • Fluid escaping or withdrawn from the conveying chamber can be at least partially collected and recycled by feeding it back into the conveying chamber.
  • Fluid recycling unit does not need fluid to be supplied directly from the delivery chamber, but fluid can also be fed from the delivery chamber into one of the delivery systems
  • downstream unit for example, in a bunker into which the conveyed material is conveyed, and fed to the fluid recycling unit from this unit will. This allows the consumption of fluid to continue
  • Fluid cleaning unit for cleaning the fluid received from the delivery chamber can be advantageous.
  • Control system for regulating a fluid flow from at least one secondary chamber into the delivery chamber as a function of a differential pressure between a pressure in the secondary chamber and a pressure in the delivery chamber.
  • a higher fluid pressure is set in each secondary chamber than in the conveyor chamber.
  • Conveying chamber higher fluid pressure in each secondary chamber and the resulting fluid flow from each secondary chamber into the conveying chamber advantageously also prevent the penetration of fluid that has escaped from the conveyed good and / or of dust arising during transport of the conveyed good into a
  • One embodiment of the method provides that fluid is fed back from the delivery chamber by a fluid recycling unit directly and / or via at least one secondary chamber into the delivery chamber.
  • a fluid recycling unit directly and / or via at least one secondary chamber into the delivery chamber.
  • Fluid recycling unit is cleaned before it is fed back into the delivery chamber. As a result, it can advantageously be avoided that dust is caused by the returned fluid and / or fluid escaped from the conveyed material into the
  • Conveyor system can be provided without a conveying chamber, the carrier elements being provided with thermal insulation material at least in an area which is adjacent to a container for receiving the hot conveyed material.
  • the carrier elements in a first embodiment, being provided with thermal insulation material at least in an area which is adjacent to a container for receiving the hot conveyed material.
  • Support elements but also hinders the radiation of heat from the support elements.
  • the carrier elements can be formed so that the hot conveyed material or the container intended for receiving the hot conveyed material from a
  • the carrier element which is made of a carrier material with good thermal conductivity, for example steel or cast iron, with parts of the carrier element connected to the traction means, bearings and / or wheels from the central area through
  • carrier elements have a weakening which is more susceptible to mechanical loads and which is expensive to manufacture.
  • FIG. 1 schematically shows a first embodiment of a
  • FIG 2 schematically shows a second embodiment of a
  • FIG. 3 shows a perspective illustration of a third exemplary embodiment of a conveyor system
  • FIG. 4 shows a sectional illustration of the in FIG
  • Embodiment of a fluid circulation system of a conveyor system Embodiment of a fluid circulation system of a conveyor system
  • Embodiment of a fluid circulation system of a conveyor system Embodiment of a fluid circulation system of a conveyor system
  • Embodiment of a fluid circulation system of a conveyor system Embodiment of a fluid circulation system of a conveyor system
  • Embodiment of a fluid circulation system of a conveyor system Embodiment of a fluid circulation system of a conveyor system
  • FIG. 10 shows a schematic sectional view of an embodiment of a conveyor system with carrier elements that are located within a conveyor chamber and in the area of a
  • the passage opening is provided with a thermal insulation material
  • FIG. 12 shows a schematic sectional view of an exemplary embodiment of a conveyor system with carrier elements which are provided with a thermal insulation material in the region of a passage opening and adjacent thereto
  • Figure 1 shows schematically a first embodiment of a conveyor system 1 for conveying a material to be conveyed along a conveying path.
  • the conveyor system 1 includes a
  • the secondary chamber 7 is arranged on the side of the delivery chamber 5 and is through several
  • Passage openings 9 are connected to the delivery chamber 5. Furthermore, the conveyor system 1 has a fluid circulation system 11, which includes the secondary chamber 7 and for conducting a fluid, for example an inert gas, through the
  • Delivery chamber 5 is formed. Flow directions of the fluid are indicated in Figure 1 by arrows. Instead of several passage openings 9, a continuous slot-like passage opening 9 can also be provided.
  • the conveyed good is, for example, a reactive and / or hot and / or abrasive conveyed good.
  • the conveyed material can be harmful to health and / or
  • Fluid atmospheres In particular, the fluid atmosphere in the secondary chamber 7 has a higher fluid pressure than that
  • the fluid atmosphere in the delivery chamber 5 can particularly in the case of a hot material to be conveyed have a higher temperature than the fluid atmosphere in the secondary chamber 7 and / or gas that has escaped from the material to be conveyed and / or dust arising during the transport of the material to be conveyed
  • the higher fluid pressure in the secondary chamber 7 and the resulting fluid flow from the secondary chamber 7 into the delivery chamber 5 advantageously also prevent this gas and / or dust from penetrating from the delivery chamber 5 into the secondary chamber 7.
  • the conveying path runs in the conveying chamber 5 between a first conveying chamber end 13 and a second
  • material to be conveyed is introduced into the conveyor chamber 5.
  • the material to be conveyed is discharged from the conveying chamber 5 at the second conveying chamber end 15.
  • Delivery chamber end 13 is, for example, closed or closable, while the second
  • Delivery chamber end 15 has a first fluid outlet 17 through which fluid flows out of delivery chamber 5,
  • the system housing 3 also has a second fluid outlet 18, through which fluid circulating in the fluid circuit system 11 is discharged from the secondary chamber 7.
  • the system housing 3 can have further fluid outlets 19 through which fluid can be withdrawn from the delivery chamber 5, for example if a fluid pressure in the delivery chamber 5 exceeds a pressure threshold value (such as
  • Fluid outlets 19 can, for example, each be a
  • Safety device for example a safety valve, for example if a safety study considers this to be necessary).
  • the system housing 3 also has a first fluid inlet 21 through which the
  • Fluid circulation system 11 circulating fluid in the
  • System housing 3 have further fluid inlets 22 through which fluid can be supplied to the delivery chamber 5,
  • the system housing 3 is designed to be fluid-tight.
  • the first fluid inlet 21 and / or the second fluid outlet 18 can also be arranged at other locations than at the locations of the secondary chamber 7 shown in FIG. 1, for example
  • System housing 3 is leakage of fluid from the
  • System housing 3 limited to the fluid outlets 17 to 19, so that only a relatively small amount of fluid from the
  • Fluid emerging from the fluid outlet 19 may be at least partially collected, fed to the fluid circulation system 11 (possibly after cleaning, see FIG. 2 and FIG. 8) and recycled. Overall, the amount of fluid to be supplied to the system housing 3 can thereby be kept relatively small. This advantageously reduces the consumption of fluid and the cost of the fluid.
  • Another advantage of the largely fluid-tight design of the system housing 3 and the higher fluid pressure in the secondary chamber 7 compared to the conveying chamber 5 is that the unhealthy and / or environmentally unfriendly fluid that has escaped from the conveyed material is only sent to the
  • Fluid outlets 17, 19 emerge from the delivery chamber 5 and can be disposed of there. The same applies to dust that is in the delivery chamber 5.
  • the secondary chamber 7 for example, components of a conveyor mechanism for conveying the conveyed material are arranged.
  • the fluid circulation system 11 carries fluid through the
  • Fluid circuit system 11 has a fluid supply 29, through which fluid can be supplied to fluid circuit system 11, in particular to replace fluid that is discharged from secondary chamber 7 through passage openings 9 into delivery chamber 5.
  • the flow machine 25 is a fan or a pump, depending on whether the fluid is a gas or a liquid.
  • the optional heat exchanger 27 is used to cool the fluid. It is particularly beneficial in cases where the
  • Conveying chamber 5 a hot conveyed material is transported and in the secondary chamber 7 components to be cooled
  • Conveyor mechanics are arranged for conveying the material to be conveyed.
  • the fluid conducted into the secondary chamber 7 and cooled by the heat exchanger 27 can advantageously also be used to cool the components of the conveying mechanism arranged in the secondary chamber 7.
  • the conveyor system can have a separate cooling device (not shown) for cooling the secondary chamber 7.
  • the cooling device can have a cooling tube that can be filled with a coolant or a plurality of cooling tubes, wherein at least one cooling tube can be located within the secondary chamber 7.
  • FIG. 2 schematically shows a second exemplary embodiment of a conveyor system 1.
  • the conveyor system 1 differs from the exemplary embodiment shown in FIG. 1 essentially in that it has a fluid recycling unit 70 for receiving fluid emerging from the conveyor chamber 5 through the fluid outlet 17.
  • the fluid recycling unit 70 has a fluid cleaning unit 72 for cleaning the fluid received from the delivery chamber 5.
  • a portion of the cleaned fluid is fed back directly into the delivery chamber 5 via a fluid inlet 22.
  • the other part of the Purified fluid is indirectly fed back into the delivery chamber 5 by being fed to the fluid circulation system 11 via the fluid supply 29.
  • Feeding of fluid into the conveyor system 1 is required.
  • Modifications of the exemplary embodiment shown in FIG. 2 can provide that the fluid recycling unit 70 alternatively or additionally receives fluid emerging from the delivery chamber 5 from another fluid outlet 19. Furthermore, it can be provided that fluid is alternatively or additionally fed back directly into the delivery chamber 5 through the fluid outlet 17. Further modifications of the exemplary embodiment shown in FIG. 2 can provide that fluid is either only fed back indirectly via the fluid circulation system 11 or only directly into the delivery chamber 5. Furthermore, instead of via the fluid supply 29, fluid can be supplied to the fluid circulation system 11 at another point
  • FIGS. 3 and 4 show a third exemplary embodiment of a conveyor system 1 for conveying a material to be conveyed along a conveying path.
  • FIG. 3 shows a perspective view of the conveyor system 1.
  • FIG. 4 shows a sectional illustration of the conveyor system 1.
  • the conveyor system 1 comprises a system housing 3, which has a conveyor chamber 5, three secondary chambers 6 to 8 and two
  • the delivery chamber 5 is annular with two horizontally extending horizontal sections 34, 36 and two vertically extending deflection sections 38, 40.
  • a lower horizontal section 34 runs below one upper horizontal section 36 and spaced from this.
  • the deflection sections 38, 40 form opposite delivery chamber ends 13, 15 of the delivery chamber 5 and connect the two horizontal sections 34, 36 to one another.
  • the conveying path runs in the upper horizontal section 36 of the conveying chamber 5 between one of a first
  • Deflection section 38 formed first delivery chamber end 13 and a second delivery chamber end 15 formed by a second deflection section 40. In the vicinity of the first
  • the system housing 3 has a charging inlet 42, which is arranged above the upper horizontal section 36 and through which the conveyed material enters
  • Delivery chamber 5 is introduced.
  • the system housing 3 has a
  • Delivery chamber 5 is issued.
  • the secondary chambers 6 to 8 are each also formed in a ring shape.
  • the delivery chamber 5 extends around a first one
  • a second secondary chamber 7 and the third secondary chamber 8 are arranged on different sides of the first secondary chamber 6 and each adjoin an outer side of the first
  • carrier elements 46 separated from one another by carrier elements 46 with which the conveyed material is transported.
  • the conveyed is
  • the carrier elements 46 are designed, for example, as carrier plates.
  • traction means 48 are arranged, which each rotate within the first secondary chamber 6 along its annular course and with the Support elements 46 are connected.
  • the traction means 48 are designed, for example, as drive chains.
  • Pulling means 48 are the carrier elements 46 along a closed path that includes the conveying path in which
  • Each traction means 48 extends below the upper horizontal section 36 and above the lower horizontal section 34 of the delivery chamber 5 in a straight line between two deflection areas 50, 52, which are each located in the area of a delivery chamber end 13, 15 and in which the traction means 48 is deflected.
  • the traction means 48 are each driven via two drive wheels 54, which are each arranged in a deflection area 50, 52 of the traction means 48.
  • Drive wheels 54 form a traction drive with which the
  • Carrier elements 46 are moved. At each deflection area 50,
  • each additional chamber 31, 32 adjoins the first secondary chamber 6 and has connecting openings 56 to the first for each of the drive wheels 54 arranged in it
  • the second secondary chamber 7 and the third secondary chamber 8 are each connected to the conveying chamber 5 and to the first secondary chamber 6 by, for example, a slot-like passage opening 9 running around them in an annular manner.
  • each arranged guide wheels 58 with which the carrier elements 46 are guided In the second secondary chamber 7 and in the third secondary chamber 8 there are each arranged guide wheels 58 with which the carrier elements 46 are guided. At least one
  • the secondary chamber 6 to 8 can also be connected to the delivery chamber 5 through at least one further passage opening 10.
  • further passage opening 10 for example, further
  • Support elements 46 be realized.
  • the system housing 3 has the exemplary embodiment
  • a first fluid outlet 17 coincides, for example, with the
  • Secondary chamber 7 and / or the third secondary chamber 8 have at least one second fluid outlet 18, and / or the
  • Delivery chamber 5 can have at least one further fluid outlet 19. Furthermore, the second secondary chamber 7 and / or the third secondary chamber 8 can have at least a first
  • Have fluid inlet 21, and / or the delivery chamber 5 and / or the first secondary chamber 6 and / or at least one additional chamber 31, 32 can have at least one further
  • Charging inlet 42 can be a fluid inlet 22. As in the first shown in FIG. 1
  • the exemplary embodiment is the system housing 3 apart from the fluid outlets 17 to 19 and the fluid inlets 21, 22
  • the delivery chamber 5 and the secondary chambers 6 to 8 have, as in the first illustrated in FIG.
  • Embodiment physically and / or chemically different fluid atmospheres.
  • the fluid atmospheres in each are connected to the delivery chamber 5 through at least one passage opening 9, 10
  • Secondary chambers 6 to 8 flow and in the delivery chamber 5 Controlled flow to the fluid outlets 17 to 19. Furthermore, the arranged in the secondary chambers 6 to 8 can
  • the opening widths of the passage openings 9, 10 can vary along the courses of the passage openings 9, 10.
  • Deflection areas 50, 52 of the traction means 48 be wider than between the deflection areas 50, 52. Areas of the
  • Secondary chambers 6 to 8 with narrower passage openings 9, 10 are particularly advantageously suitable for cooling components of the arranged there in the secondary chambers 6 to 8
  • Secondary chambers 6 to 8 with narrower passage openings 9, 10 are particularly advantageous for the introduction of fluid into the secondary chambers 6 to 8, because in these areas less fluid flows from the secondary chambers 6 to 8 into the delivery chamber 5 than in areas with further passage openings 9, 10 so that the introduced fluid over larger areas of the
  • the exemplary embodiment shown in FIGS. 3 and 4 can also have a fluid circulation system 11 in order to control and optimize the fluid flow.
  • FIGS. 4 to 7 show block diagrams of various embodiments of such fluid circuit systems 11.
  • traction means 48 can be arranged below, above and / or to the side of the conveyor chamber 5 and / and a different number of traction means 48 can be provided, for example only one traction means 48.
  • separate additional chambers 31, 32 for the drive wheels 54 omitted.
  • the conveying path can also run at an angle to the horizontal or a course deviating from a straight course,
  • the system housing 3 being designed according to the course of the conveying path.
  • the fluid outlet 17 can also be operated as a (further) fluid inlet.
  • FIG. 5 shows a fluid circuit system 11, in which the
  • Secondary chambers 6 to 8 and the additional chambers 31, 32 are integrated.
  • the fluid circulation system 11 conducts fluid through each auxiliary chamber 6 to 8 and each auxiliary chamber 31, 32, leads fluid from the auxiliary chambers 6 to 8 and the
  • the Turbo machine 25 and optionally via a heat exchanger 27 to the secondary chambers 6 to 8 and / or the additional chambers 31, 32 again. From the secondary chambers 6 to 8, fluid is also passed through the passage openings 9, 10 into the delivery chamber 5.
  • the fluid cycle system 11 has a
  • Fluid supply 29 through which fluid can be supplied to the fluid circulation system 11, in particular in order to replace fluid that has passed from the secondary chambers 6 to 8 through the passage openings 9,
  • the secondary chamber 6 has a higher fluid pressure than the other secondary chambers 7, 8, the additional chambers 31, 32 and the
  • the second secondary chamber 7 and the third secondary chamber 8 have a higher fluid pressure than the delivery chamber 5, so that fluid from the second secondary chamber 7 and the third
  • Secondary chamber 8 flows into the delivery chamber 5.
  • Figure 6 shows a fluid circuit system 11, which differs from the fluid circuit system 11 shown in Figure 5 only in that the secondary chambers 6 to 8 and the additional chambers 31, 32 have the same fluid pressure, so that between the secondary chambers 6 to 8 and the Additional chambers 31, 32 fluid is exchanged.
  • the fluid pressure in the secondary chambers 6 to 8 is again higher than in the delivery chamber 5, so that fluid flows from each secondary chamber 6 to 8 into the delivery chamber 5.
  • FIG. 7 shows a fluid circuit system 11 that differs from the fluid circuit system 11 shown in FIG. 6 only by a control system 80 for controlling fluid flows between the secondary chambers 6 to 8 and the delivery chamber 5
  • the control system 80 includes
  • Pressure measuring devices 82 for detecting pressures in the secondary chambers 6 to 8 and the delivery chamber 5 as well
  • Control units 84 for monitoring differential pressures between these pressures and for regulating the fluid flows between the secondary chambers 6 to 8 and the delivery chamber 5 as a function of the differential pressures.
  • the fluid flows are regulated by means of a control of
  • FIG. 8 shows a fluid circuit system 11 which differs from the fluid circuit system 11 shown in FIG. 7 only in that fluid emerging from the delivery chamber 5 through fluid outlets 17, 19 is passed through a
  • Fluid recycling unit 70 is partially collected and fed back to the fluid circulation system 11.
  • the fluid recycling unit 70 can be a
  • Figure 9 shows a sectional view of a fourth
  • the exemplary embodiment differs from the exemplary embodiment shown in FIGS. 3 and 4 essentially only in that the first secondary chamber 6 is omitted and the delivery chamber 5 extends into an area which, in the case of the in the Figures 3 and 4 shown embodiment of the first secondary chamber 6 is occupied.
  • the traction means 48 which are arranged in the first secondary chamber 6 in the exemplary embodiment shown in FIGS. 3 and 4, are arranged in the secondary chambers 7, 8 in the exemplary embodiment shown in FIG is arranged.
  • the secondary chambers 7, 8 are each connected to the conveying chamber 5 by an annular, circumferential, slot-like passage opening 9.
  • the carrier elements 46 protrude into the secondary chambers 7, 8.
  • the secondary chambers 7, 8 there are again guide wheels 58 with which the carrier elements 46 are guided.
  • Each traction means 48 is driven analogously to the exemplary embodiment shown in FIGS. 3 and 4 via two drive wheels 54 which are each arranged in a deflection area 50, 52 of the traction means 48 and are in contact with the traction means 48.
  • an additional chamber 31, 32 is again arranged in which the
  • Drive wheels 54 have connection openings 57 through which the drive wheel 54 projects into that secondary chamber 7, 8 in which the traction means 48 connected to the drive wheel 54 is arranged.
  • the carrier elements 46 do not limit the delivery chamber 5, but are spaced apart from a delivery chamber wall 60 of the delivery chamber 5.
  • the delivery chamber wall 60 can have a heat insulation layer 62.
  • Secondary chamber 6 which in that embodiment forms a separate traction mechanism chamber for the traction mechanism 48.
  • the cooling of the traction means 48 is simplified during the transport of hot material to be conveyed.
  • the cooling of the first secondary chamber 6 is omitted is heated particularly strongly by the material to be conveyed, but at the cooler edge regions of the carrier elements 46 at a significantly greater distance from the material to be conveyed.
  • the delivery chamber wall 60 is also largely homogeneous above and below the carrier elements 46
  • Thermal insulation layer 62 also advantageously reduce the heat losses from the conveying chamber 5, so that when hot conveyed goods are transported, the temperature of the conveyed goods along the conveying path can be better kept at an approximately constant level.
  • the conveyor system 1 can be modified, for example, so that the additional chambers 31, 32 are omitted.
  • the secondary chambers 7, 8 can be enlarged so that each drive wheel 54 in a secondary chamber 7,
  • system housing 3 can be designed for discharging conveyed goods which fall down from the carrier elements 46 during conveyance along the conveying path, so that the conveying chamber 5 does not gradually pass through the carrier elements 46
  • falling conveyed material can slide to a disposal opening in the conveying chamber wall 60, for example in the bottom of the upper region of the conveying chamber 5, and can be discharged from the conveying chamber 5 through the disposal opening.
  • the bottom of the upper region of the conveying chamber 5 can also have a continuous disposal opening under which, for example, fluid-tight chutes are arranged, via which carrier elements 46 are attached
  • Conveyor systems 1 can be designed in a similar manner for removing conveyed goods which fall from carrier elements 46 during conveyance along the conveying path.
  • Figure 10 shows a schematic sectional view of a
  • the secondary chambers 7, 8 are each connected to the conveying chamber 5 by an annular, circumferential, slot-like passage opening 9.
  • the carrier elements 46 protrude into the secondary chambers 7, 8.
  • the secondary chambers 7, 8 there are again guide wheels 58 with which the carrier elements 46 are guided.
  • traction means 48 are provided for driving the carrier elements 46.
  • the goods to be conveyed are transported, for example, directly through the carrier elements 46 or in containers 49 arranged on the carrier elements 46.
  • the delivery chamber 5 and in the area of the passage opening 9 are provided with a thermal insulation material 47.
  • FIG. Figure 12 shows a schematic sectional view of a
  • the secondary chambers 7, 8 are each connected to the conveying chamber 5 by an annular, circumferential, slot-like passage opening 9.
  • the carrier elements 46 protrude into the secondary chambers 7, 8.
  • the secondary chambers 7, 8 there are again guide wheels 58 with which the carrier elements 46 are guided.
  • traction means 48 are provided for driving the carrier elements 46.
  • the goods to be conveyed are transported, for example, directly through the carrier elements 46 or in containers 49 arranged on the carrier elements 46.
  • Passage opening 9 and an adjoining area within the delivery chamber 5 are provided with a
  • Thermal insulation material 47 may be provided, but in such a way that not the entire surface of the carrier elements 46 within the conveying chamber 5 is provided with the thermal insulation material 47. The thermal insulation results in a profile of a
  • the carrier elements 46 shown in the exemplary embodiments in FIGS. 10 and 12 and provided with a thermal insulation material 47 can be used in each of the exemplary embodiments described above.
  • the heat insulation material 47 used on the surfaces of the carrier elements 46 reduces the heat input into the carrier elements 46 from the hot conveyed material, so that the thermal load on the bearings and traction means 48 is also reduced.
  • Conveyor systems can also be designed in accordance with the variants of conveyor systems shown in FIGS. 1 to 10, but without fluid circulation systems.
  • control unit 86 control valve

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Tunnel Furnaces (AREA)
  • Branching, Merging, And Special Transfer Between Conveyors (AREA)

Abstract

L'invention concerne une installation de transport (1) destinée au transport d'un produit à transporter le long d'un trajet de transport. L'installation de transport (1) comprend une chambre de transport (5) dans laquelle est disposé le trajet de transport. À l'extérieur de la chambre de transport (5) est disposé au moins un composant d'un mécanisme de transport pour le transport du produit à transporter. Le mécanisme de transport présente un entraînement à lien souple comprenant au moins un lien souple (48) avec lequel des éléments de support (46) peuvent être déplacés pour transporter le produit à transporter. Les éléments de support (46) sont disposés dans la chambre de transport (5) et dépassent de la chambre de transport (5) par une ouverture de passage (9). Les surfaces des éléments de support (46) sont pourvues, à l'intérieur de la chambre de transport (5) et/ou dans la région de l'ouverture de passage (9), au moins en partie d'un matériau d'isolation thermique (47).
EP20737221.0A 2019-07-15 2020-07-14 Transport d'un produit à transporter Pending EP3999452A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP19186311.7A EP3766809A1 (fr) 2019-07-15 2019-07-15 Transport d'un produit à transporter
PCT/EP2020/069886 WO2021009171A1 (fr) 2019-07-15 2020-07-14 Transport d'un produit à transporter

Publications (1)

Publication Number Publication Date
EP3999452A1 true EP3999452A1 (fr) 2022-05-25

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EP19186311.7A Withdrawn EP3766809A1 (fr) 2019-07-15 2019-07-15 Transport d'un produit à transporter
EP20737221.0A Pending EP3999452A1 (fr) 2019-07-15 2020-07-14 Transport d'un produit à transporter

Family Applications Before (1)

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EP19186311.7A Withdrawn EP3766809A1 (fr) 2019-07-15 2019-07-15 Transport d'un produit à transporter

Country Status (6)

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US (1) US11999572B2 (fr)
EP (2) EP3766809A1 (fr)
CA (1) CA3144045A1 (fr)
MX (1) MX2022000400A (fr)
TW (1) TW202110725A (fr)
WO (1) WO2021009171A1 (fr)

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Publication number Priority date Publication date Assignee Title
CN113401583B (zh) * 2021-06-15 2023-01-10 惠州凯美特气体有限公司 粒状干冰传输装置以及片状干冰生产设备

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1895072A (en) * 1927-02-17 1933-01-24 Ray M Fenton Continuous furnace for metallurgical purposes
FR2255820A5 (en) * 1973-12-21 1975-07-18 Desmarquest & Cec Furnace tunnel conveyor band of ceramic links - with succeeding rows pivotally interlocked to reduce stresses in driving hinge rods
US4062459A (en) * 1975-12-31 1977-12-13 Harper Electric Furnace Corporation Conveyor for heat treating furnace
JPS599004Y2 (ja) * 1980-04-30 1984-03-21 石川島播磨重工業株式会社 ハ−スロ−ル
US4983202A (en) 1990-02-27 1991-01-08 Libbey-Owens-Ford Co. Glass sheet heating furnace and method of using
JP2000249472A (ja) * 1999-03-02 2000-09-14 Matsushita Electric Ind Co Ltd 搬送ローラ及びその組立方法とこれを用いた加熱炉
DE10128999A1 (de) 2001-06-15 2002-12-19 Sms Demag Ag Rollgangsrolle, insbesondere für den Transport von ofenwarmem, metallischem Bandmaterial, Gießsträngen aus Stahl u. dgl.
DE20302678U1 (de) * 2003-02-19 2003-05-22 Aumund Foerdererbau Gmbh & Co Heißgutförderer
AT502904B1 (de) * 2005-12-07 2008-02-15 Voest Alpine Ind Anlagen Förderanlage, anlagenverbund und verfahren zur kopplung von metallurgischen verfahren
JP5849542B2 (ja) * 2011-09-05 2016-01-27 株式会社Ihi 連続加熱炉
US9102471B2 (en) * 2012-09-28 2015-08-11 Btu International, Inc. High temperature conveyor belt
DE102013223040A1 (de) * 2013-11-12 2015-05-13 Sms Siemag Ag Verfahren zum Verarbeiten von erhitztem Gut
DE102014114575A1 (de) * 2014-06-23 2015-12-24 Von Ardenne Gmbh Transportvorrichtung, Prozessieranordnung und Beschichtungsverfahren
CN106044058A (zh) * 2016-07-29 2016-10-26 洛阳盛豫重工机械有限公司 一种在高温环境中使用的全密封保温链板输送机
ES2937938T3 (es) * 2017-05-12 2023-04-03 Primetals Technologies Austria GmbH Transporte de un artículo por transportar
ES2927909T3 (es) * 2017-05-12 2022-11-11 Primetals Technologies Austria GmbH Transporte de un material para transportar

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Publication number Publication date
TW202110725A (zh) 2021-03-16
MX2022000400A (es) 2022-02-10
EP3766809A1 (fr) 2021-01-20
WO2021009171A1 (fr) 2021-01-21
US20220250849A1 (en) 2022-08-11
CA3144045A1 (fr) 2021-01-21
US11999572B2 (en) 2024-06-04

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