CN103380067A

CN103380067A - Method and apparatus for achieving an air flow in a refuse chute

Info

Publication number: CN103380067A
Application number: CN201180068187.3A
Authority: CN
Inventors: G·松德霍尔姆
Original assignee: Maricap Oy
Current assignee: Maricap Oy
Priority date: 2011-02-28
Filing date: 2011-02-28
Publication date: 2013-10-30
Also published as: WO2012117146A1; SG192240A1

Abstract

Method for achieving an air flow in a refuse chute (1), which refuse chute comprises at least one input aperture (4) of waste material, in which method the waste material (5) fed into the refuse chute from an input aperture (4) is moved in the refuse chute under the effect of gravity to the bottom part of the refuse chute. An opposing air flow with respect to the direction of travel of the waste material (5) is achieved in the refuse chute (1) using at least one partial vacuum generator for conveying of the wastes in a pneumatic waste conveying system. The invention also relates to an apparatus.

Description

Be used for realizing at refuse chute the method and apparatus of Air Flow

Background technology

The objective of the invention is method a kind of as defined in the preamble of claim 1.

Purpose of the present invention or equipment a kind of as defined in the preamble of claim 10.

Present invention relates in general to multiple material delivery system (such as the delivery system of partial vacuum), more specifically to collection and the conveying (such as the conveying of home scrap) of refuse.The invention still further relates to the various garbage slideway, utilize these refuse chutes, refuse typically moves by gravity, and for example a plurality of tops input port from apartment moves to a bottom collection space or corresponding local.

It also is as known in the art carrying the multiple systems of refuse by means of difference of pressure or suction in pipeline.In these systems, refuse is carried on this pipeline middle and long distance ground by suction.These systems are typically, realize difference of pressure with a partial vacuum equipment, in this equipment, with a plurality of partial vacuum producers as in delivery pipe, realizing partial vacuum with a plurality of vacuum pumps or with an injection device.A kind of delivery pipe typically comprises at least one valve system, by opening and closing this at least one valve system, the displaced air that enters in this delivery pipe is regulated.A plurality of refuse chutes are used in the material input end in these systems, material (such as waste materials) is fed in these refuse chutes and by opening a vent valves device, material to be conveyed is transferred to from these refuse chutes in the delivery pipe, in this case, make among material (for example as the waste materials that is packaged into bag) is transported to this delivery pipe from refuse chute by the swabbing action that realizes by means of the partial vacuum that in this delivery pipe, works and by the ambient air pressure that works via refuse chute.The pneumatic type waste conveying system of discussing can be used in densely populated urban district with being particularly suitable for.The area of these types has high-rise, and in these high-rises, it is to carry out via the refuse chute that is arranged in this building that refuse is input in the pneumatic type waste conveying system.

Refuse chute is a vertical pipe that comprises numerous entrance points, and these entrance points typically are arranged in the wall of this refuse chute an apart segment distance.High-rise can comprise tens even the hundreds of floor, and this refuse chute forms a very high pipe in this case.In the case, treat to be fed to from the top refuse (for example packed refuse) this refuse chute long distance (for example up to 200m) that in this slideway, falls, in this case, waste materials is along with falling in this refuse chute, and its speed accelerates to very high.The waste materials of free fall is crashed in the bottom of this refuse chute.A problem may be: with drop at a high speed the bottom of refuse chute and crash and among tightly the refuse of compacting does not always move to delivery duct from the bottom of this refuse chute in the bottom of this slideway.When this waste materials is becoming near the delivery port when being compacted on the bottom at this refuse chute, a problem is: tightly packed material may block this delivery port near this delivery port, in this case, stoped this material to be transported to this delivery pipe and/or to have stoped displaced air to enter into this delivery pipe from refuse chute from refuse chute.Made the compacting that multiple trial prevents waste materials: by a plurality of mechanical obstacles things are arranged in this slideway, by means of this falling speed of litter bag in this refuse chute that slow down as possible.A problem about the mechanical reduction obstacle is: they usually can break when these litter bags clash into these mechanical reduction obstacles, in this case these refuses inside face of this refuse chute of unnecessarily having made dirty.This is so that keep the cleaning of this refuse chute more difficult, and in addition, these refuses from the litter bag that breaks of this refuse chute of making dirty can produce odor pollution.In addition, the collision of waste materials and obstacle can produce noise emission.In addition, the possible refuse intermediate storage tank that remains to be combined with this system can cause odor pollution.

Target of the present invention is to realize a kind of novel solution in conjunction with refuse chute that by means of this solution, the shortcoming of prior art solution is avoided.

Summary of the invention

The present invention is based on following concept: come realizing Air Flow opposite for the direct of travel of waste materials in the refuse chute that this at least one partial vacuum producer has the waste delivery that is ready to use in a pneumatic type waste conveying system with at least one partial vacuum producer.

Principal characteristic features of the method according to the invention is the content disclosed in the claim 1.

The feature of the method according to this invention also is the content stated in the claim 2 to 9.

Principal character according to equipment of the present invention is: this equipment comprises that this at least one partial vacuum producer is ready to use in the waste delivery of a pneumatic type waste conveying system for utilizing at least one partial vacuum producer to come to realize at refuse chute the device of opposite Air Flow for the direct of travel of waste materials.

Also be the content stated in the claim 11 to 18 according to the feature of equipment of the present invention.

Solution according to the present invention has numerous important advantages.According to the present invention, can come in refuse chute, to realize the Air Flow opposite with the throughput direction of refuse with a partial vacuum producer that is ready to use in waste delivery.In the case, do not need an independent pumping unit to come in this refuse chute, to realize opposite Air Flow.

The present invention can be by directly or for example arranging top a to medium path of these pumping plants from this refuse chute to implement via one or more refuse intermediate storage tank.Utilize this to arrange, can also reduce the odor pollution that may be caused in its adjacent place by the refuse in the refuse intermediate storage tank, and these odor pollutions can conduct to for example location point of these partial vacuum producers along with wind circulation.In one embodiment, waste delivery pipe has formed the part of this medium path.According to this embodiment of the invention, in order to be arranged between the top and this delivery pipe of this refuse chute to the needed valve system of this medium path opening/closing wind circulation at least, in this case, in the different phase of the cycle of run of carrying refuse, can arrange airiness in this medium path.

By means of the present invention, realized this refuse chute in this delivery pipe fast and actv. emptying.Utilize method and apparatus according to the invention, the waste materials falling speed in this refuse chute in a controlled manner might slow down.Simultaneously, might reduce the liability of the delivery port obstruction of this refuse chute, in this case, it is good that the operation of this pneumatic type material delivery system keeps.Another significant advantage is: the particle of this refuse chute and foul smell are transmitted to outside this refuse chute along with this Air Flow, and the inconvenience that is caused by foul smell in this case can substantially be reduced.According to the present invention, can use the material refuse chute as the refuse entrance point, such as waste canister or refuse chute.Method and apparatus according to the invention is fit to combine with the delivery system of waste materials (as be arranged in the bag waste materials) particularly well.

Always produce little Air Flow under the inactive state at normal pumping plant in service, utilize this Air Flow to prevent that foul smell, gas in this slideway from also having short grained development, fire hazard and explosion hazard are reduced in this case.

When the window of opening input port or otherwise when allowing litter bag to enter in this slideway, promoted the Air Flow of being realized by this pumping plant.The delay of desirable length (delay) can with promote this Air Flow and the use that combine with this window of opening/closing.

A material space (that is, one input pocket) can be connected emptying typically upwards the carrying out from the bottom in this space and prevented from this slideway, causing obstruction with these input ports.

This Air Flow can also be arranged to so that at first this Air Flow in this refuse chute, upwards lift waste materials and after this for example regulate this Air Flow by reducing amount of air in a kind of controlled mode, like this so that this waste materials drop to downwards in this material space with desirable speed.This arrangement realizes with an air injector that preferably its Air is obtained, the pressure decreased of this energy storage in the process in emptying cycle from an energy storage.

One of air injector is also advantageous in that air is added in the exhaust, and there is particulate still less in per unit in this case.

Description of drawings

In following content, will by with reference to the accompanying drawings, by means of the example of the embodiment of the invention the present invention is described in more detail, wherein

Fig. 1 has presented in the first operational phase a simplified embodiment according to equipment of the present invention,

Fig. 2 has presented in the second operational phase the embodiment according to a simplification of equipment of the present invention,

Fig. 3 has presented in the 3rd operational phase the embodiment according to a simplification of equipment of the present invention,

Fig. 4 has presented in the 4th operational phase the embodiment according to a simplification of equipment of the present invention,

Fig. 5 has presented the one embodiment of an apparatus according to the present invention that is connected with a waste conveying system as a diagram,

Fig. 6 has presented the details according to equipment of the present invention that is in the primary importance, and

Fig. 7 has presented the details according to equipment of the present invention that is in the second place.

The specific embodiment

Fig. 1 to Fig. 4 has presented a embodiment according to the solution of the present invention as the diagram of simplifying.These figure have presented the part of the system that comprises a refuse chute in more detail.Fig. 5 has presented the pneumatic type waste conveying system of a simplification in itself, and this pneumatic type waste conveying system comprises that four refuse chutes 1 are as a plurality of

partial vacuum producer

300A, 300B, 300C, 300D and

delivery duct

100A, 100B and the disengagement gear 200,201,202 of an entity and this pneumatic type waste conveying system.

Fig. 1 to Fig. 4 has presented about the operation of refuse chute in different phase among Fig. 5.The refuse chute 1 of this pneumatic type material delivery system is exactly among Fig. 1.Refuse chute 1 in the vertical direction extends, and for example passes a plurality of floors of a building, and the top 2 of this refuse chute extends to for example top layer or even the roof of building in this case.The bottom 3 of refuse chute 1 extends to an intermediate storage tank 9 and/or to the bottom of this building on the delivery duct 10 of (for example, in subterranean room).One or more input ports 4 are arranged in the refuse chute 1.Refuse chute 1 among the figure is an area under control section that is arranged in (for example in building) in the suitable position.

Material is fed in the refuse chute 1 via one or more input ports 4.A window arrangement 7 or similar arrangement can be connected with input port 4.In addition, a valve system V can be connected with input port, regulates the path of material in the refuse chute 1 with this valve system.The window arrangement and the valve arrangement that are connected with this input port according to an embodiment are explained in more detail hereinafter and are presented among Fig. 6 and Fig. 7.Typically, waste materials 5 drops to the refuse chute 1 from input port 4.Numerous input ports 4 are arranged in this refuse chute, and typically each floor for building arranges at least one.

Refuse chute 1 from its bottom 3 directly or as being connected on the intermediate storage tank 9 via a material space 6 Fig. 1.A vent valves 8 is between the material space 6 of the bottom 3 of intermediate storage tank 9 and refuse chute 1, and this vent valves drives with an actuating device (M).In the embodiment in figure 1, the bottom 3 of this refuse chute thereby comprise a material space 6, this material space is take wall as the boundary, waste materials 5(is as being packaged into the refuse of bag) typically fall under gravity among this material space.

Being fed to material 5 refuse chute 1 from an input port 4 attempts compacting under action of gravitation and enters in the bottom 3 of refuse chute 1, is against on the wall of material space 6 of bottom and is against on the vent valves 8 of delivery port.In a kind of arrangement of routine, there is the risk of the delivery port that stops up this refuse chute and in the pneumatic type system, has the risk that stops displaced air to enter, the viewpoint of the operation from the discharge phase of container, this displaced air is necessary.

Shortcoming for fear of prior art,

device

14,16,17,18,19,21 among the embodiment of Fig. 1 to Fig. 5 is arranged to be connected with this refuse chute, to be used for producing Air Flow opposite for the throughput direction of material 5 at refuse chute 1.Except removing by means of Air Flow and conducting the foul smell of refuse chute, Air Flow can also be used for slowing down the falling speed of waste materials 5 at refuse chute 1.These devices include at least one partial vacuum producer 300A to 300D of the material conveying that is ready to use in a pneumatic type material delivery system, the suction side of this partial vacuum producer can be connected on the top 2 of refuse chute 1, and this connects especially via

material delivery duct

100A, 100B, 10 and at a medium channel 14 of this refuse chute outside.

When waste materials 5 is fed in this refuse chute, realizing in the refuse chute 1 that Air Flow opposite for the moving direction of this waste materials, this Air Flow are to be used in the refuse chute 1 upwards the arrow that the first end 3 of this refuse chute (namely towards) point to present in Fig. 1.In order to realize this Air Flow, in this refuse chute, need displaced air, this displaced air receives from a displaced air mouth 15 in Fig. 1 to Fig. 4, and this displaced air degree of lip-rounding is formed in the refuse chute 1, preferably goes up near the bottom 3 of this refuse chute.

In the situation of Fig. 1, this Air Flow resists a kind of object (more specifically waste materials) falling direction and works in this refuse chute, like this so that waste materials 5(is packaged in the waste materials in the bag more specifically) falling speed keep the most compatibly so that the not too densely compacting and entering in the bottom of this refuse chute of this waste materials, and on the other hand so that these litter bags in falling, remain intact harmless and can be not cracked.

In Fig. 1, with arrow presented from the displaced air of displaced air conduit 15 between the end at the top of the bottom 3 of this refuse chute and material space 6 and in refuse chute 1 forward, the movement of the falling direction of antagonism waste materials.The movement of this displaced air is to realize by means of partial vacuum/suction of realizing in delivery pipe 10 by these partial vacuum producers of this delivery system, this partial vacuum/suction is via

medium transport passage

21,17 and in intermediate storage tank 9 and work in medium transport passage 14 forward, this medium transport passage is connected on the top 2 of refuse chute 1.

In Fig. 1, by opening window 7 input port 4 of waste materials 5 from refuse chute 1 is fed to this refuse chute.Under action of gravitation, waste materials 5 drops towards the bottom 3 of this slideway.These

partial vacuum producers

300A, 300B, 300C, 300D with this material delivery system realize opposite Air Flow, thereby slow down the whereabouts of this waste materials in refuse chute 1.Utilize these partial vacuum producers, realized the air that moves up of certain speed in this refuse chute, this speed be enough to slow down waste materials of this whereabouts is such as litter bag.

Utilize these partial vacuum producers, can realize a little suction in refuse chute under normal condition, this suction is removed foul smell from this refuse chute and from middle storage tank 9.When the window 7 of the input port 4 of opening certain floor, the desired preset level of floor that the suction of being realized by these partial vacuum producers is suitable for discussing, this level has prevented that basically this bag acceleration from moving down.

Fig. 2 has presented the equipment according to the embodiment of Fig. 1 in the second operational phase in itself, wherein, mode with the prior art of a kind of pneumatic type waste conveying system itself, the waste materials that will be collected in by opening valve 8 in the material space 6 of bottom of refuse chute 1 is delivered in the intermediate storage tank 9 of this pneumatic type waste conveying system, in this case, this material is owing to the effect of difference of pressure can move in the intermediate storage tank 9.Fig. 2 has presented following situation in itself: the waste materials that has been collected in the material space 6 of bottom 3 of refuse chute 1 is emptied in the intermediate storage tank 9.Close the valve 16 in the medium path 14, in the case, opposite Air Flow does not work in refuse chute 1 basically for the throughput direction of material.In an embodiment of the present invention, suction/partial vacuum works in delivery pipe 10, in this case, has 21, the 17 media connections of opening the top that enters intermediate storage tank 9 from delivery pipe 10 along medium path.Displaced air conduit 15 is opened, in this case when the valve 8 between material space 6 and the intermediate storage tank is opened, suction/difference of pressure has realized that together with gravity material 5 moves forward into intermediate storage tank 9 or directly enters if there is no intermediate storage tank of delivery pipe 10(from the material space 6 of the bottom of this refuse chute) conveying.

In the embodiment of this figure, intermediate storage tank 9 comprises a worm screw conveyer 11, utilizes this worm screw conveyer material can be presented towards this delivery port.In the embodiment of these figure, a rotary former of this material (form formatter (formatter)) is arranged to be connected with a delivery port, and this rotary former enters the less diameter of this material forming/be compressed into delivery pipe 10 and moves forward among main feedline 100A, the 100B being suitable for.

Fig. 3 has presented following situation: when opening vent valves 13, material is transported to this delivery pipe from middle storage tank 9, and material 5 can be transported in the delivery pipe 10 in this case.In this operational phase, can close the material space 6 of this refuse chute and the valve 8 between the intermediate storage tank 9 and can open valve 16 in the medium path 14.In the case, the Air Flow opposite with the material throughput direction works in refuse chute 1 again, and displaced air is via medium path 14, for example the displaced air conduit 15 from this refuse chute is received this intermediate storage tank.According to Fig. 3, closed the valve 19 of medium path 17, this medium path leads to the top of intermediate storage tank 9 from delivery pipe 10.

Can there be numerous

partial vacuum producer

300A, 300B, 300C, 300D.In Fig. 5, for the sake of clarity, the only a part of parts among these

partial vacuum producers

300A, 300B, 300C, the 300D are provided with reference number.The pumping plant 301A of the vacuum generator 300A of first drives with an actuating device 302A.A control apparatus that for example is used for the rotative speed of this pump of adjusting can be connected with this actuating device and/or this pumping plant.Utilize these devices, producing the Air Flow on the opposite sense for the falling direction of waste materials 5 in the refuse chute 1.In the embodiment of Fig. 5, between these

partial vacuum producers

300A, 300B, 300C, 300D and refuse chute 1, there is at least one disengagement gear 200,201,202, typically also has a noise muffler in a filtering installation and the exhaust curve on the insufflation side of this pump 113.The suction side of

partial vacuum producer

300A, 300B, 300C, 300D can be connected on the pipeline 109 via valve 110A...110D, and this pipeline leads to

material delivery duct

100A, 100B via one or more disengagement gears 200,201,202 in the embodiment of this figure.Basic operation according to a kind of pneumatic type tube material delivery system, material is fed in the system from a plurality of entrance points (such as the input port 4 of a plurality of refuse chutes 1 from the embodiment of Fig. 5), material 5 is directly or via being transmitted to delivery pipe 10 such as an intermediate storage tank 9 among the embodiment of these figure in this system, 100A, among the 100B, this conduction is by by one or more

partial vacuum producer

300A, 300B, 300C, partial vacuum/difference of pressure that 300D realizes, and/or by carrying air to move into disengagement gear 200 along delivery duct (delivery pipe 100A or delivery pipe 100B), 201,202 and realize, for example by centnifugal force and gravity, material to be conveyed and this conveying air separation are opened in this disengagement gear.This disengagement gear is a kind of so-called whirlpool separator typically, and wherein heavier material falls to the bottom of this disconnector, and this conveying air conducts out from the top of this disconnector.Emptying this disengagement gear 200,201 for example enters in the container below these disengagement gears every now and then, and this container can also comprise a press.Can there be numerous disengagement gears, for example be two in the embodiment of Fig. 5, remain in this case the material in pipeline, carried can by valve 102,103 and these pipelines conduct in any (whichsoever) in the disengagement gear 200,201.What it is also contemplated that is, has material to be conveyed to be conducted to a disengagement gear (for example to disengagement gear 200) and conducted to another disengagement gear 201 from pipeline 100B from pipe 100A.Carry on the throughput direction of air at this, can have one or more dust separator 202 and/or a filtering installation in the downstream of these disengagement gears.

This conveying air can blow out via exhaust curve 113, or the conveying air of a part can be circulated back to (if this delivery duct is connected in the loop) in this delivery duct.

Waste materials pneumatic type delivery system according to Fig. 5 is such system in addition: when opening valve 101, this conveying air can circulate in delivery duct 100A, 100B.In the case, the insufflation side of at least one partial vacuum producer 300A...300D be connected to by open valve 111A...111D and by along pipeline 114 with the air conduction of insufflation side to manage in 117 or 118 any in blow in this loop, regulate by valve 115,116 to the connection of this pipe.If wish for example to blow in this loop in the section 110B of this delivery pipe side, then will open the valve 115 in the pipe 117.For air is circulated in

delivery pipe

100A, 100B, must open valve 101, and correspondingly manage the returning on the suction side that side must be connected to a partial vacuum producer of 100A.This can be done in such a manner: open any the triple valve 103 that leads in the disengagement gear 200,201, namely this triple valve leads to

pipeline

105 or 104 and lead to

top

107 or 106 from disengagement gear forward to second disengagement gear and from entering the medium path of the pipeline 109 of going to these partial vacuum producers here.

Can also open displaced air conduit 22 by the valve 20 of opening in the medium path 21, in this case, in delivery pipe 10, obtain to strengthen the displaced air that material is carried.

According to some preferred embodiment:

Always produce little Air Flow under the inactive state at normal this pumping plant in service, utilize this Air Flow to prevent foul smell, gas and short grained development in this slideway.Fire hazard and explosion hazard.

When the window of opening input port or otherwise when allowing litter bag to enter in this slideway, promoted the Air Flow that this pumping plant is realized.The delay of desirable length can with promote this Air Flow and the use that combine with this window of opening/closing.

A material space (that is, an input pocket) can be connected with these input ports, the emptying of this space carries out upwards from the bottom typically preventing that initiation is stopped up this slideway.

This Air Flow can also be arranged to so that at first this Air Flow in this refuse chute, upwards lift waste materials and after this for example regulate this Air Flow by reducing amount of air in a kind of controlled mode, like this so that this waste materials drop in the material space 6 with desirable speed.This arrangement realizes with an air injector that preferably its Air is obtained, the pressure decreased of this energy storage in the process in emptying cycle from an energy storage.

Typically, material 5 is waste materials, as is arranged at the waste materials in the bag.This refuse chute can be adapted for the part of a pneumatic type waste conveying system, and perhaps this can be an independent part, and wherein waste materials is transmitted in waste compartment, waste canister or the corresponding place.

Therefore the present invention relates to a kind of method for realize Air Flow at refuse chute 1, this refuse chute comprises at least one waste materials input port 4, in the method, be fed to waste materials 5 this refuse chute in the bottom that in this refuse chute, moves to this refuse chute under the action of gravitation from an input port 4.Come realizing Air Flow opposite for the direct of travel of waste materials 5 in the refuse chute 1 that this at least one partial vacuum producer has the waste delivery that is ready to use in a pneumatic type waste conveying system with at least one

partial vacuum producer

300A, 300B, 300C, 300D.

According to an embodiment, realize Air Flow with at least one pumping plant (as with a fan or with an air suctiton ventilator), this at least one pumping plant serves as

partial vacuum producer

300A, 300B, 300C, 300D.

According to an embodiment,

partial vacuum producer

300A, 300B, 300C, 300D(are such as a pumping plant) the suction side be connected on the top 2 of refuse chute 1.

According to an embodiment, displaced air is from the bottom 3 of a refuse chute 1 or be introduced in this refuse chute near described bottom.

According to an embodiment, be adjusted in the characteristic of this Air Flow that works in the refuse chute 1 based in the following parameter at least one: the entrance point of waste materials 5 is to the state of the shutoff valve V of the distance of the bottom 3 of this refuse chute, input port 4 and/or input window 7, the input material position with respect to this material space.

According to an embodiment,

partial vacuum producer

300A, 300B, 300C, 300D(are such as a pumping plant) the suction side be connected on the refuse

intermediate storage tank

9,1 top 2 can be formed on one of this refuse chute outside and connects 14 from this intermediate storage tank to refuse chute.

According to an embodiment, in the method, in the top 2 of refuse chute 1 and/or the suction of the partial vacuum producer 300A that in intermediate storage tank 9, works, 300B, 300C, 300D with at least one valve system 16,19 and/or restrictor device 18 limit.

According to an embodiment, this Air Flow is transmitted to the disengagement gear 200,201,202 from refuse chute 1, and this disengagement gear is arranged in the media flow path between the top 2 that is in this refuse chute and

partial vacuum producer

300A, 300B, 300C, the 300D.

According to an embodiment, when the bottom of emptying refuse chute 1, the Air Flow in the refuse chute 1 changes and advances at the direct of travel of waste materials 5.

The invention still further relates to a kind of equipment for realize Air Flow at refuse chute 1, this refuse chute comprises at least one waste materials input port 4, and the waste materials 5 that is fed to this refuse chute from this input port 4 is suitable in the bottom that moves to this refuse chute under the action of gravitation in this refuse chute.This equipment comprises that this at least one partial vacuum producer has the waste delivery that is ready to use in a pneumatic type waste conveying system for utilizing at least one

partial vacuum producer

300A, 300B, 300C, 300D to realize the

device

14,15,16,17,18,19,20,21 of opposite Air Flow for the direct of travel of waste materials 5 at refuse chute 1.

According to a preferred embodiment, be used for realizing that these devices of opposite Air Flow comprise that at least one pumping plant 301A to 301D(is such as a fan or an air suctiton ventilator for the direct of travel of this waste materials), this at least one pumping plant is used as

partial vacuum producer

300A, 300B, 300C, the 300D of this waste conveying system.

According to an embodiment, in order to realize Air Flow opposite for the direct of travel of this waste materials in this refuse chute at least,

partial vacuum producer

According to an embodiment, this equipment comprises near the device 15 that displaced air is incorporated into this refuse chute from the bottom 3 of refuse chute 1 or from this bottom.

According to an embodiment, this equipment comprises for being adjusted in the device of the characteristic of the Air Flow that works in the refuse chute 1 based at least one of following parameter: the entrance point of waste materials 5 is to the state of the shutoff valve V of the distance of the bottom 3 of this refuse chute, input port 4 and/or input window 7, input material 5 position with respect to material space 6.

According to an embodiment,

partial vacuum producer

300A, 300B, 300C, 300D(are such as a pumping plant) the suction side be connected on the refuse intermediate storage tank 9, have a connection 14 that is positioned at refuse chute 1 outside to the top 2 of this refuse chute forward from this intermediate storage tank.

According to an embodiment, this equipment comprises at least one valve system 16,19 and/or restrictor device 18, with the suction of a partial vacuum producer being used for being limited in the top 2 of this refuse chute and/or working in intermediate storage tank 9.

According to an embodiment, this equipment further comprises at least one intermediate storage tank 9 and/or disengagement gear 200,201,202, and this at least one intermediate storage tank and/or disengagement gear are arranged in the media flow path between the top 2 of refuse chute 1 and

partial vacuum producer

300A, 300B, 300C, 300D.

According to an embodiment, at least when the material space 6 of the bottom of emptying refuse chute 1, this equipment is suitable for changing the direct of travel of Air Flow or stopping Air Flow opposite for the direct of travel of this material with a valve system 16, and this valve system 16 is arranged at a connection lead 14 that is arranged in refuse chute 1 outside.

Be clear that for those of ordinary skills: the invention is not restricted to above these embodiment that present, but the present invention can change in the scope of the following claim that presents.The characteristic feature that if necessary, may present in conjunction with other characteristic features in specification sheets also can be used apart from each other.

Claims

1. be used for realizing at a refuse chute (1) method of Air Flow, this refuse chute comprises at least one waste materials input port (4), in the method, be fed to waste materials (5) this refuse chute in the bottom that in this refuse chute, moves to this refuse chute under the action of gravitation from an input port (4), it is characterized in that, with at least one partial vacuum producer (300A, 300B, 300C, come in this refuse chute (1), to realize Air Flow opposite for the direct of travel of this waste materials (5) 300D) that this at least one partial vacuum producer has the waste delivery that is ready to use in a pneumatic type waste conveying system.

2. method according to claim 1 is characterized in that, uses at least one pumping plant, as with a fan or with an air suctiton ventilator, realizes Air Flow, and this at least one pumping plant serves as a partial vacuum producer (300A, 300B, 300C, 300D).

3. method according to claim 1 and 2 is characterized in that, a partial vacuum producer (300A, 300B, 300C, 300D), for example the suction side of a pumping plant is connected on the top (2) of a refuse chute (1).

4. each described method in 3 according to claim 1 is characterized in that, with displaced air from the bottom (3) of a refuse chute (1) or near described bottom, be incorporated into this refuse chute.

5. each described method in 4 according to claim 1, it is characterized in that, be adjusted in the characteristic of the Air Flow that works in the refuse chute (1) based in the following parameter at least one: the entrance point of this waste materials (5) is to the material of the state of the shutoff valve (V) of the distance of the bottom (3) of this refuse chute, this input port (4) and/or input window (7), the input position with respect to material space.

6. each described method in 6 according to claim 1, it is characterized in that, a partial vacuum producer (300A, 300B, 300C, 300D), for example the suction side of a pumping plant is connected on the refuse intermediate storage tank (9), the top from this intermediate storage tank to this refuse chute (1) (2) can form a connection (14) that is positioned at this refuse chute outside.

7. each described method in 6 according to claim 1, it is characterized in that, in the method in the top (2) of a refuse chute (1) and/or a partial vacuum producer (300A who in an intermediate storage tank (9), works, 300B, 300C, suction 300D) is to limit with at least one valve system (16,19) and/or restrictor device (18).

8. each described method in 7 according to claim 1, it is characterized in that, this Air Flow is transmitted to a disengagement gear (200 from a refuse chute (1), 201,202) in, this disengagement gear is arranged at the top (2) and partial vacuum producer (300A, a 300B that is positioned at a refuse chute, 300C, 300D) between the media flow path in.

9. each described method in 8 according to claim 1 is characterized in that, when the bottom of an emptying refuse chute (1), the Air Flow in this refuse chute (1) changes and advances at the direct of travel of this waste materials (5).

10. be used for realizing at a refuse chute (1) equipment of Air Flow, this refuse chute comprises at least one waste materials input port (4), the waste materials (5) that is fed to this refuse chute from this input port (4) is suitable in the bottom that moves to this refuse chute under the action of gravitation in this refuse chute, it is characterized in that, this equipment comprises be used to utilizing at least one partial vacuum producer (300A, 300B, 300C, 300D) the device (14 of realization opposite Air Flow for the direct of travel of this waste materials (5) in this refuse chute (1), 15,16,17,18,19,20,21), this at least one partial vacuum producer has the waste delivery that is ready to use in a pneumatic type waste conveying system.

11. equipment according to claim 10, it is characterized in that, be used for realizing that these devices of opposite Air Flow comprise at least one pumping plant (301A to 301D) for the direct of travel of this waste materials, such as a fan or an air suctiton ventilator, this at least one pumping plant is used as the partial vacuum producer (300A of a waste conveying system, 300B, 300C, 300D).

12. according to claim 10 or 11 described equipment, it is characterized in that, at least in order to realize Air Flow opposite for the direct of travel of this waste materials in this refuse chute, a partial vacuum producer (300A, 300B, 300C, 300D), for example the suction side of a pumping plant is connected on the top (2) of a refuse chute (1).

13. each described equipment in 12 is characterized in that according to claim 10, this equipment comprise for displaced air from the bottom (3) of this refuse chute (1) or near the device (15) of this refuse chute of introducing of this bottom.

14. each described equipment in 13 according to claim 10, it is characterized in that this equipment comprises for being adjusted in the device of the characteristic of the Air Flow that works in the refuse chute (1) based at least one of following parameter: the entrance point of this waste materials (5) is to the state of the shutoff valve (V) of the distance of the bottom (3) of this refuse chute, this input port (4) and/or input window (7), this input material (5) position with respect to material space (6).

15. each described equipment in 14 according to claim 10, it is characterized in that, a partial vacuum producer (300A, 300B, 300C, 300D), for example the suction side of a pumping plant is connected on the refuse intermediate storage tank (9), exist to the top (2) of this refuse chute forward from this intermediate storage tank to be positioned at the outside connection (14) of this refuse chute (1).

16. each described equipment in 15 according to claim 10, it is characterized in that, this equipment comprises at least one valve system (16,19) and/or restrictor device (18), in order to be limited in the top (2) of a refuse chute and/or the suction of a partial vacuum producer that in an intermediate storage tank (9), works.

17. each described equipment in 16 according to claim 10, it is characterized in that, this equipment further comprises at least one intermediate storage tank (9) and/or disengagement gear (200,201,202), this at least one intermediate storage tank and/or disengagement gear are arranged at the top (2) and partial vacuum producer (300A, a 300B that is positioned at a refuse chute (1), 300C, 300D) between the media flow path in.

18. each described equipment in 17 according to claim 10, it is characterized in that, at least when the material space (6) of the bottom of emptying this refuse chute (1), this equipment is suitable for changing the direct of travel of this Air Flow or stopping this opposite for the direct of travel of this material Air Flow with a valve system (16), and this valve system (16) is arranged at and is arranged in outside this connection lead (14) of this refuse chute (1).