DE102011017497B4 - Storage and / or transport container for bulk material - Google Patents

Abstract

Provided is a storage and / or transport container for bulk material with a bottom thrust device arranged for discharging the bulk material from the container, wherein the thrust device has at least two discharge in the direction and relatively movable push rods, being arranged on the push rods extending transversely to the discharge conveyor elements , wherein the push rods from an outside of the container can be arranged, d. h., outer-external drive unit are movable. Further, a heating cabin, heating container and / or boiler room is provided with a heater, in particular pellet and / or woodchip heating, an additional container for storing fuel, in particular pellets and / or wood chips, and a drive unit for moving push rods one to the heating cabin can be arranged storage and / or transport container according to the invention.

Description

Field of the invention

The invention relates to a storage and / or transport container for bulk material, in particular pellets and / or wood chips, with a pushing device for discharging the bulk material from the storage and / or transport container, as well as a heating cabin, which for use with a storage and / or or transport container is designed for bulk material.

State of the art

Storage and / or transport containers for bulk material are known from the prior art, which have a sliding floor for discharging the bulk material from the container. The sliding floor is driven by a drive unit arranged in the container. The disadvantage here is that the drive unit must be protected from environmental influences. In particular, it must be ensured that the drive unit is not damaged by the bulk material or the bulk material does not affect the operation of the drive unit.

To secure or protect the drive unit additional structural measures must be provided, which increases the design effort to produce appropriate storage and / or transport containers.

From the DE 10 2008 056 292 A1 is a container heating system with a fuel storage room and a heater known. The fuel storage room has a conveyor in the manner of a push floor conveyor or scraper floor conveyor. The scraper floor conveyor is driven by drive units which are arranged outside the container. The push floor conveyor is driven by drive units arranged inside the container.

From the DE 10 2004 040 731 A1 a storage and / or transport container for bulk material with a pushing device for pushing out the bulk material is known. The pushing device has at least two pushing elements which can be moved back and forth relative to one another in the extension direction and in the direction of extension. The drive for each pusher element can be arranged outside the container.

From the DE 20 2007 009 040 U1 is known a push floor with at least one longitudinally reciprocable push rod, wherein at least one push rod is attached to each push rod. Each push rod is associated with a hydraulic drive, with which the respective push rod can be moved in the discharge and against the discharge. The sliding floor can be provided for example to feed a heating system with wood chips.

From the DE 40 08 287 A1 a storage container is known which has a moving floor conveyor. Fixed and movable conveying elements of the moving floor conveying system are arranged on the bottom of the container. The conveying elements may have a substantially wedge-shaped cross-section. The moving floor conveyor system can be actuated by means of a hydraulic cylinder arranged in the region of the outlet.

Object of the invention

The object of the invention is therefore to provide a structurally simplified storage and / or transport container, which at least partially avoids the disadvantages known from the prior art and to provide a heating cabin, which is suitable for use with a storage and / or transport container according to the invention.

Inventive solution

This object is achieved by a storage and / or transport container for bulk material and a heating cabin, heating container and / or boiler room according to the independent claims. Advantageous embodiments and further developments of the invention are specified in the respective dependent claims.

Accordingly, there is provided a storage and / or transport container for bulk material, in particular pellets and / or woodchips, with a bottom-side pushing device for discharging the bulk material from the storage and / or transport container, wherein the pushing device at least two in the discharge and relative to each other movable Push rods, wherein the push rods are arranged transversely to the discharge direction extending conveying elements, wherein the push rods are arranged from a outside of the container, ie, external storage drive unit, and wherein the container has a push device associated deflection device, which movement of a push rod ( first push rod) in a direction of movement of a push rod (first push rod) opposite movement of the other push rod (second push rod) converts. This means that the deflection device is configured such that a movement of a first push rod counter to the discharge causes a movement of a second push rod in the discharge direction. The outer storage drive unit may be provided as a drive unit not connected to the container, so that the storage and / or Transport container can be transported without drive unit. Furthermore, the storage and / or transport container can be made simpler, material-saving and cost-effective.

The push rods can be brought out in the discharge on a first side wall of the container. As a result, arranging the push rods to the outer-external drive unit can be simplified.

Preferably, the push rods are arranged side by side and parallel to each other.

The pushing device and the drive unit, which preferably comprises two independently controllable hydraulic cylinders, can be configured such that at the same time the one push rod against the discharge and the other push rod in the discharge direction are movable. D. h., That preferably not both push rods are simultaneously movable in the same direction.

Preferably, the deflection device has a deflection bar, which is pivotally mounted about a deflection axis, wherein a (first) leg of the deflection of one (first) push rod and the other (second) leg of the deflection of the other (second) push rod are assigned. The deflection acts as a rocker.

Preferably, the push rods are alternately movable by the drive unit against the discharge.

The push rods and the conveying elements arranged thereon can be designed hollow profile-shaped, wherein the push rods each have an opening for an air supply and wherein the push rods and / or at least one of the conveying elements has air outlet openings.

The pushing device may comprise at least one fixed conveying element which is arranged transversely to the discharge direction and between two conveying elements arranged one behind the other on a push rod.

Preferably, the conveying elements have a substantially wedge-shaped cross section, wherein the wedge angle of the cross sections in the discharge direction is greater than the wedge angle of the cross sections against the discharge.

Also provided is a storage and / or transport container for bulk material, in particular pellets and / or wood chips, with a pushing device for discharging the bulk material from the storage and / or transport container, wherein the pusher has conveying elements, which are designed hollow profile and which air outlet openings have, from which an air supplied to the hollow profile-shaped conveying elements can escape.

The conveying elements can be arranged on push rods, which are likewise designed in the form of a hollow profile and which each have an opening for an air supply, wherein a push rod together with the conveying elements arranged thereon forms an air channel through which the air supplied at the opening for an air supply reaches the air outlet openings the conveying elements arrives.

The conveying elements are preferably arranged running transversely to the discharge direction.

The push rods can comprise at least two push rods which can be moved in the direction of discharge and relative to one another.

Furthermore, a storage and / or transport container for bulk material, in particular pellets and / or wood chips, provided with a pushing device for discharging the bulk material from the storage and / or transport container, wherein the thruster at least two in the discharge and relative to each other movable Having push rods, wherein the thrust device is associated with a deflection device which converts a movement of a push rod (first push rod) in a direction of movement of a push rod (first push rod) opposite movement of the other push rod (second push rod). This means that the deflection device is configured such that a movement of a first push rod counter to the discharge causes a movement of a second push rod in the discharge direction.

Preferably, the deflection device has a deflection bar, which is pivotally mounted about a deflection axis, wherein a (first) leg of the deflection of one (first) push rod and the other (second) leg of the deflection of the other (second) push rod are assigned. The deflection acts as a rocker.

On the push rods can be arranged transversely to the discharge direction extending conveying elements. The push rods are preferably movable or drivable by a holder-external drive unit.

A heating cabin, a heating container and / or a boiler room is provided remotely, with a Heating, in particular pellet and / or woodchip heating, an additional container for storing fuel, in particular pellets and / or wood chips, and a drive unit for moving push rods of a storage and / or transport container according to the invention that can be arranged on the heating cabin.

The heating cabin can have a conveyor belt with which the fuel discharged from the storage and / or transport container can be supplied to the auxiliary container.

At a filling opening of the additional container, a separating screen may be arranged.

Brief description of the figures

Further details and features of the invention and specific embodiments of the invention will become apparent from the following description taken in conjunction with the drawings. It shows:

1 a heating cabin according to the invention with a storage and / or transport container according to the invention arranged thereon;

2 a detailed view of a pushing device according to the invention of the storage and / or transport container;

3 a detailed view of a arranged in a heating cabin according to the invention drive unit for a pushing device of a storage and / or transport container;

4 a detailed view of a heating cabin with a drive unit for a pushing device of a storage and / or transport container according to the invention and a conveyor belt for transporting the discharged bulk material in an additional container;

5 a detailed view of a pushing device according to the invention and a deflection device arranged thereon; and

6 a detailed view of an additional container and a conveyor belt arranged thereon.

Detailed description of the invention

1 shows a heating cabin according to the invention 20 with a storage and / or transport container according to the invention arranged thereon 10 , to illustrate the invention, parts of the side walls of the heating cabin 20 and the storage and / or transport container 10 are not shown.

The heating cabin 20 can be configured as a mobile heating cabin or heating container and includes a heater 30 as well as the whole for the operation of the heater 30 required heating technology. The heating system 30 may be, for example, a pellet and / or woodchip heating. About a heat pipe, not shown here, the heating cabin 20 or the heating 30 be connected to the building to be heated. In this way, existing buildings can be expanded, for example, by a pellet and / or woodchip heating, without the need for costly conversion measures for an extension of the boiler room of the building and the establishment of a storage room within the building.

For newly constructed buildings, the heating cabin shown here 20 in a corresponding embodiment already be provided as a boiler room in the building, with only one opening for introducing the fuel from the storage and / or transport container according to the invention 10 in the boiler room 20 must be provided.

In the heating cabin 20 or in the boiler room is also a drive unit 70 for the operation of a pushing device of a storage and / or transport container according to the invention 10 intended.

The storage and / or transport container 10 , which is also referred to below as a container or bulk goods container, can in such a way at the heating cabin 20 be arranged, on the one hand, a discharge opening of the container 10 with an entry opening of the heating cabin 20 corresponds and on the other hand, a drive of the thruster 60 of the container by the in the heating cabin 20 arranged drive unit 70 allows or ensures. The drive unit 70 is not in the container 10 arranged or fixed to the container 10 but is located in the heating cabin 20 ,

The arrangement of the drive unit 70 in the heating cabin 20 brings several advantages. On the one hand the drive unit becomes the environmental influences in the container 10 withdrawn, which benefits the life of the container. On the other hand, in the container 10 No structural measures are provided to the drive unit 70 to protect against damage caused by the bulk material or from being impaired by the bulk material. Further, the volume of the container 10 be increased for receiving the bulk material, because of the space otherwise provided for the drive unit can also be used to receive bulk material. This allows the volume of the container 10 be better exploited. Because no drive unit is provided in the container for driving the pusher, the container 10 Total cost and produced or produced with less material.

In the container 10 Bottom is a pushing device 60 arranged. The pushing device 60 includes a push rod 62a and another push rod 62b , wherein the push rods are arranged side by side and substantially parallel to each other. About in the heating cabin 20 provided drive unit 70 can push rods 62a . 62b to be moved. By means of guide profiles 67 are the push rods 62a . 62b each at the bottom of the container 10 attached.

At the push rods 62a . 62b are each conveying elements 61 arranged, which extend substantially transversely to the discharge. By moving the push rods 62a . 62b and an associated movement of the conveying elements 61 will that be in the container 10 located bulk material in the direction of discharge opening (which is not shown here) moves and there a conveyor belt 50 fed. With the conveyor belt 50 the discharged bulk material can be an additional container 40 be fed, which serves the intermediate storage of bulk material. By the intermediate storage of the bulk material in the additional container 40 can the container 10 be changed or maintained, without this affecting the heating process.

At the side opposite the discharge opening side wall 91 of the container 10 is a deflection device 63 provided with respect to 5 will be described in more detail. The deflection device 63 can by means of a cover against adverse effects by being in the container 10 be protected bulk material. The cover is designed here as a substantially inclined plane.

2 shows an enlarged view of a pushing device according to the invention 60 as well as a side wall 90 of the container 10 at which the bulk material is discharged.

The pushing device 60 has a first push rod 62a and a second push rod 62b on how related to 1 explained, are on the push rods each conveying elements 61 arranged, which extend substantially transversely to the discharge. In the embodiment of the sliding floor shown here 60 are at the push rods 62a . 62b each a number of conveying elements 61 along the push rod and spaced from each other, wherein the conveying elements 61 are arranged in pairs on the push rod, that a conveying element of a pair on the left side and the other conveying element of the pair are arranged on the right side of the push rod. By moving the push rods 62a . 62b and the associated movement of the conveying elements 61 In discharge, the bulk material is transported to the discharge and there the conveyor belt 50 to hand over.

According to the invention, the pushing device 60 designed such that in each case one of the two push rods 62a . 62b is moved against the discharge, while the other push rod is moved in the discharge.

In 2 the state of a pushing device is shown in which the push rod 62b has been moved against the discharge and the push rod 62a has been moved in the discharge direction. On the side wall 90 of the container 10 openings are provided through which the push rods 62a . 62b from the container 10 can be led out. In 2 is the push rod 62a from the container 10 led out.

At the on the side wall 90 led out ends of the push rod 62a . 62b can the drive unit 70 are arranged to move, for example by means of hydraulic cylinders, the push rods against the discharge in the container. Due to the existing deflection in the container (see. 5 ) Moving the push rods in the discharge even without the drive unit allows, so a solid and stable coupling of the drive unit with the push rods 62a . 62b it is not necessary what the handling of the container 10 relieved and the design effort for the drive unit 70 reduced.

At the bottom of the container may additionally fixed and preferably firmly connected to the container floor conveyor elements 64 be arranged. The fixed conveyor elements 64 are also arranged to extend substantially transversely to the direction of discharge. Preferably, the fixed conveyor elements 64 in each case between two conveyor elements arranged one behind the other 61 arranged. The fixed conveyor elements 64 are further spaced apart such that the push rods 62a . 62b on the one hand can be completely pushed into the container and on the other hand also be pushed out of the container accordingly.

Both the conveyor elements 61 as well as the fixed conveyor elements 64 have a substantially wedge-shaped cross section, wherein the wedge angle of the cross sections in the discharge direction is greater than the wedge angle of the cross sections against the discharge. It is thereby achieved that a conveying element moved in the discharge direction 61 Bulk material above the upstream of the conveying element 61 fixed conveyor element 64 can slide towards the discharge opening. Conversely, it prevents that moving the conveying elements 61 against the discharge, the bulk material moved away from the discharge, because by the wedge-shaped configuration of the conveying elements 61 these are pushed under the bulk material, so that the bulk material on the moving against the discharge direction of conveying elements 61 can fall. A movement of the bulk material against the discharge direction is further by the fixed conveyor elements 64 prevented.

The push rods 62a . 62b and the conveying elements 61 may be configured in each case as a hollow profile in one embodiment of the invention. The push rods may also each have an opening for an air supply. The conveyor elements 61 can each have a number of air outlet openings 65 exhibit. About the opening 80 for air supply to the push rods 62a . 62b For example, hot air can be supplied from the air outlet openings 65 the conveying elements 61 leaking, so as to dry the bulk material contained in the container or to keep dry. The inventive arrangement of the air outlet openings 65 on the conveyor elements 61 a particularly uniform drying of the bulk material is achieved. In particular, it is ensured that just that bulk material is dried, which is next fed to the discharge opening.

The side wall 90 of the container 10 can be configured as a container door. Furthermore, at the container gate 90 a pressure angle 100 be provided for opening the container door. The pressure angle can be configured or arranged on the container door such that it can be connected to a hydraulic drive unit of the drive unit 70 corresponds.

3 shows an enlarged view of a heating unit arranged in a drive unit according to the invention 70 , The drive unit 70 essentially comprises two hydraulic cylinders 71 , which are controlled or regulated by a control and regulating device, not shown here. The hydraulic cylinders 71 are arranged relative to each other such that a piston 72 a hydraulic cylinder with a push rod 62a . 62b the pushing device 60 corresponds. This means that after arranging the container according to the invention 10 at the boiler room 20 with the piston of a hydraulic cylinder, the push rod 62a and with the piston of the other hydraulic cylinder, the push rod 62b against the direction of discharge into the container 10 can be moved. The hydraulic cylinders are preferably controlled so that they each alternately a push rod against the discharge in the container 10 move.

4 shows a detailed view of a heating space according to the invention 20 , Shown here is also the control and regulating device 74 for the hydraulic cylinders 71 the drive unit 70 , Furthermore, here is the hydraulic cylinder 73 shown which engages with the at the container gate 90 arranged engagement angle 100 can be brought to open the container door.

The bulk material is discharged from the container onto a conveyor belt 50 spent and with this in an additional container 40 transported to temporary storage. At the filling opening of the additional tank 40 can a dividing screen 45 be arranged to sort out bulky or coarse bulk material. The additional container 40 is also intended to receive bulk material or fuel for a predetermined period of time, for example, to allow replacement of the container without affecting the heating process. The dimensioning of the additional container 40 depends essentially on the required heating power per unit of time.

5 shows a detailed view of a deflecting device 63 , The deflection device 63 is at the discharge opening opposite side wall 91 of the container 10 arranged. The deflection device 63 essentially has a deflection bar 68 on which pivotable about a deflection axis 69 is stored. The deflection device 63 Essentially it works like a seesaw. The deflection bar 68 is dimensioned so that one leg of the deflection rod of the push rod 62a and the other leg of the push rod 62b are assigned or correspond with the ends of the respective push rod.

By means of the deflection device 63 This is achieved by moving the push rod 62b against the discharge the push rod 62a from the deflection bar 68 is moved in the direction of discharge, or vice versa. This achieves in an advantageous manner that for moving the push rods in the discharge direction, the drive unit 70 does not need to be used, what the configuration of the drive unit 70 greatly simplified, because a stable and strong coupling of the piston of the hydraulic cylinder with the push rods is no longer necessary.

6 shows in a detail view of the additional container 40 in the boiler room 20 , Visible here is in particular the at the inlet opening of the additional container 40 arranged separating sieve. About a feed pipe or a feed line located in the additional container bulk material or fuel of the heater 30 fed.

The heating cabin 20 can, as already described above, be designed as a mobile heating cabin. In an exclusively stationary use of the heating cabin, this can also be made exclusively in wood frame construction. In a non-stationary use of the heating cabin, it is advantageous to manufacture the frame construction of the heating cabin approximately of metal, in particular steel.

The aforesaid storage and / or transport container 10 is particularly suitable for receiving pellets and / or wood chips for use in combination with a pellet and / or woodchip heating. The arrangement of the drive unit for the moving floor of the container in the heating cabin, the manufacture and maintenance of the container is considerably simplified. Due to the inventive design of the pushing device 60 in combination with the deflection device 63 becomes a particularly simple handling of the container when connecting the container to the heating cabin 20 ensured because no mechanical coupling of the push rods with the hydraulic cylinder 71 or the piston of the hydraulic cylinder 71 must be made. It only needs to be taken to ensure that the container is arranged on the heating chamber so that the piston of the hydraulic cylinder correspond to the push rods of the thrust device, so that a force transmission of the piston of the hydraulic cylinder is ensured on the respective push rod.

LIST OF REFERENCE NUMBERS

10

Storage and / or transport container (container or bulk material container)

20

Boiler room or heating cabin

30

Heating (eg pellet or wood chip heating)

40

Additional container (for intermediate storage of bulk material)

45

separating screen

50

conveyor belt

60

Pushing device (moving floor)

61

movable conveyor elements

62a, 62b

pushrods

63

deflecting

64

fixed conveyor elements

65

Air outlet openings

67

guide profiles

68

deflecting

69

deflection axis

70

Drive unit (external)

71

hydraulic cylinders

72

Piston of the hydraulic cylinder

73

Hydraulic cylinder for container door

74

Control and regulating device for the hydraulic cylinder

80

Opening for air supply

90

first side wall of the container (eg container door)

91

second side wall of the container

100

Intervention angle for opening the container door

Claims (9)

Storage and / or transport container ( 10 ) for bulk material with a bottom-side pushing device ( 60 ) for discharging the bulk material from the container ( 10 ), the pushing device ( 60 ) a first and a second in the discharge and relative to each other movable push rods ( 62a . 62b ), wherein at the push rods ( 62a . 62b ) extending transversely to the discharge direction conveying elements ( 61 ) are arranged, wherein the first push rod ( 62a ) from outside the container ( 10 ) arranged drive unit ( 70 ) is movable against the discharge direction, and wherein the container ( 10 ) one of the pushing device ( 60 ) associated deflection device ( 63 ), which movement of the first push rod ( 62a ) against the discharge in a movement of the second push rod ( 62b ) in the discharge direction. A container according to claim 1, wherein the pushing means ( 60 ) and the drive unit ( 70 ), which preferably two independently controllable hydraulic cylinder ( 71 ), are designed such that at the same time a push rod ( 62a . 62b ) against the discharge direction and the respective other push rod ( 62b . 62a ) are movable in the discharge direction. Container according to claim 1 or 2, wherein the deflection device ( 63 ) a deflection bar ( 68 ), which pivotally about a deflection axis ( 69 ) is mounted, wherein a leg of the deflecting rod ( 68 ) of a push rod ( 62a . 62b ) and the other leg of the deflection bar ( 68 ) of the other push rod ( 62b . 62a ) assigned. Container according to one of the preceding claims, wherein the push rods ( 62a . 62b ) alternately by the drive unit ( 70 ) are movable against the discharge direction. Container according to one of the preceding claims, wherein the push rods ( 62a . 62b ) and the conveying elements arranged thereon ( 61 ) are configured hollow profile-shaped, wherein the push rods ( 62a . 62b ) each having an opening for an air supply and wherein the push rods ( 62a . 62b ) and / or at least one of the conveying elements ( 61 ) Air outlet openings ( 65 ) having. Container according to one of the preceding claims, wherein the pushing device ( 60 ) at least one fixed conveying element ( 64 ), which transverse to the discharge and between two on a push rod arranged one behind the other conveying elements ( 61 ) is arranged. Container according to one of the preceding claims, wherein the conveying elements ( 61 . 64 ) have a substantially wedge-shaped cross-section, wherein the wedge angle of the cross-sections in the discharge direction is greater than the wedge angle of the cross-sections against the discharge direction. Heating cabin, heating container and / or boiler room ( 20 ) with a heater ( 30 ), in particular pellet and / or woodchip heating, an additional container ( 40 ) for storing fuel, in particular pellets and / or wood chips, and a drive unit ( 70 ) for moving push rods ( 62a . 62b ) one at the Heizkabine ( 20 ) arranged storage and / or transport container ( 10 ) according to any one of the preceding claims. A heating cabin according to claim 8, further comprising a conveyor belt ( 50 ), with which from the storage and / or transport container ( 10 ) discharged fuel to the additional container ( 40 ) can be fed and / or wherein at a filling opening of the additional container ( 40 ) a separating sieve ( 45 ) is arranged.

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