CN210855760U - Feeding device and feeding system - Google Patents

Abstract

The application discloses feeder and feed system. The feeding device comprises a storage cylinder, an extrusion mechanism, a filtering mechanism and a control valve, wherein a feeding hole is formed in the upper side of the storage cylinder, and the extrusion mechanism is partially movably arranged in the storage cylinder so as to extrude the materials in the storage cylinder; the storage vat is provided with a water outlet, the filtering mechanism is arranged in the storage vat so as to filter and remove water from the materials in the storage vat, and the water obtained by filtering is discharged through the water outlet; the lower side of the storage cylinder is provided with a discharge hole, and the control valve is arranged at the discharge hole and used for opening or closing the discharge hole. The utility model provides a feeder and feed system, reasonable in design, compact structure collects predrying and feed in an organic whole, is applicable to the thin material that moisture content height stickness is big such as processing mud, can effectively prevent to take place the problem of putty, guarantees that equipment operation is stable.

Description

Feeding device and feeding system

Technical Field

The utility model relates to a sludge treatment technical field especially relates to a feeder and feed system.

Background

With the development of industrialization and the acceleration of urbanization process in China, a large amount of industrial sludge and domestic sludge are generated, the sludge has high water content, contains a large amount of pathogenic bacteria, parasitic ova, chromium, mercury and other heavy metal toxic and harmful substances, is a pollutant with complex property, high pollutant content and huge potential environmental risk, and the sludge treatment problem becomes a large environmental protection problem which needs to be solved urgently in the current society. Composting and burying of such sludge may cause secondary pollution, and occupy a large amount of land, failing to meet the treatment requirements. The combustion treatment has the advantages of volume reduction, high weight reduction rate, high treatment speed, complete harmlessness, energy recycling and the like, is one of effective and practical technologies for treating sludge, and can generate polluted flue gas in the combustion process. Therefore, the combustion treatment of the sludge and the retreatment of the flue gas are likely to become the main technical direction of the sludge treatment in the future.

The self-sustaining combustion needs to be provided with a stable and efficient feeding device in the sludge combustion treatment process, sludge can be treated with relatively high load, the working condition of the treatment process can be kept stable, and the device is an indispensable control part in the sludge combustion treatment process. The existing sludge feeding is usually realized by a screw feeder, and the following defects mainly exist: on one hand, due to the large viscosity and fine particles of the sludge, the problems of material blockage, unstable operation of the screw feeder equipment and the like are easy to occur; on the other hand, the water content of the sludge is high and can reach over 75 percent, and the screw feeder cannot pre-dry the sludge, so that the subsequent combustion treatment of the sludge is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides an above-mentioned problem, a feeder and feed system have been proposed, reasonable in design, and compact structure collects predrying and feed in an organic whole, is applicable to the thin material that water content height stickness is big such as processing mud, can effectively prevent to take place the problem of putty, guarantees that equipment operation is stable.

The utility model adopts the following technical scheme: the utility model provides a feeding device, which comprises a storage cylinder, an extrusion mechanism, a filtering mechanism and a control valve, wherein a feeding hole is arranged at the upper side of the storage cylinder, and the extrusion mechanism part is movably arranged in the storage cylinder so as to extrude the materials in the storage cylinder; the storage vat is provided with a water outlet, the filtering mechanism is arranged in the storage vat so as to filter and remove water from the materials in the storage vat, and the water obtained by filtering is discharged through the water outlet; the lower side of the storage cylinder is provided with a discharge hole, and the control valve is arranged at the discharge hole and used for opening or closing the discharge hole.

In an embodiment of the present invention, the sidewall of the storage vat has a double-layer jacket structure, and sequentially comprises a first jacket and a second jacket from outside to inside, the second jacket comprises a first fixing net, a second fixing net and a filter screen, and the filter screen is disposed between the first fixing net and the second fixing net to form the filter mechanism; the water outlet is positioned on the first jacket.

In an embodiment of the present invention, the feeding device further includes a washing mechanism, the washing mechanism is disposed on the inner wall of the first jacket, and is used for washing the filtering mechanism.

In an embodiment of the present invention, the first fixing net and the second fixing net are steel nets.

In an embodiment of the present invention, the extruding mechanism includes a controller, a connecting member and an extruding member, the connecting member is connected to the controller and the extruding member, so that the controller controls the extruding member to extrude the material in the storage cylinder.

In an embodiment of the utility model, the uncovered feed inlet that forms of upside of storage vat, the extruded article can pass through the feed inlet stretches into in the storage vat, extrude the material.

In an embodiment of the present invention, the controller is a motor or a hydraulic pump.

In an embodiment of the present invention, the feeding device further includes a water collecting mechanism, the water collecting mechanism is connected to the water outlet for collecting the water filtered by the filtering mechanism.

In an embodiment of the present invention, the discharge port is provided with a mesh net.

The utility model also provides a feeding system, including a plurality of foretell feeder.

The utility model has the advantages that: the utility model provides a feeder and feed system, reasonable in design, compact structure collects predrying and feed in an organic whole, is applicable to the thin material that the high stickness of moisture content such as processing mud is big, through the continuous extrusion material of extrusion mechanism for the material all receives the effect of extrusion force when carrying out predrying and feed, can effectively prevent to take place the problem of putty, and then guarantees that equipment operation is stable. During the use, close control flap earlier for the discharge gate is closed, send into the material storage vat with the material from the feed inlet in, the great material of water content filters the dewatering through filtering mechanism, simultaneously, extrudees the material through extrusion mechanism, makes the water of material normal water constantly extruded out, guarantees the dewatering effect of material, filters the water that obtains and passes through the delivery port is discharged, accomplishes the predrying operation, then opens control flap for the discharge gate is opened, and extrusion mechanism continues to extrude the material, and the material is extruded from the discharge gate, accomplishes the feed operation.

Drawings

Fig. 1 is a schematic structural view of a feeding system of the present invention;

FIG. 2 is a cross-sectional view of the accumulator of the present invention.

The figures are numbered: 1. a feeding device; 11. a storage tank; 12. an extrusion mechanism; 13. a filtering mechanism; 14. a control valve; 15. a flushing mechanism; 16. a water collecting mechanism; 17. a mesh screen; 111. a feed inlet; 112. a water outlet; 113. a discharge port; 114. a first jacket; 121. a controller; 122. a connecting member; 123. an extrusion; 131. a second jacket; 132. and (4) a filter screen.

Detailed Description

The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the invention are shown.

Referring to fig. 1, the present invention provides a feeding device 1, which includes a storage tank 11, an extruding mechanism 12, a filtering mechanism 13 and a control valve 14, wherein a feeding port 111 is disposed at an upper side of the storage tank 11, and a part of the extruding mechanism 12 is movably disposed in the storage tank 11 to extrude a material in the storage tank 11; the storage vat 11 is provided with a water outlet 112, the filtering mechanism 13 is arranged in the storage vat 11 to filter and remove water from the materials in the storage vat 11, and the water obtained by filtering is discharged through the water outlet 112; the lower side of the storage cylinder 11 is provided with a discharge port 113, and the control valve 14 is arranged at the discharge port 113 and is used for opening or closing the discharge port 113. The feeding device 1 of this application, reasonable in design, compact structure collects predrying and feed in an organic whole, is applicable to the thin material that the moisture content height stickness is big such as processing mud, constantly extrudees the material through extrusion mechanism 12 for the material all receives the effect of extrusion power when carrying out predrying and feed, can effectively prevent to take place the problem of putty, and then guarantees that equipment operation is stable. During the use, close control flap 14 earlier, make discharge gate 113 close, in sending the material into storage vat 11 from feed inlet 111, the great material of water content filters the dewatering through filtering mechanism 13, and simultaneously, extrude the material through extrusion mechanism 12, make the water of material normal water constantly extruded out, guarantee the dewatering effect of material, the water that the filtration obtained passes through delivery port 112 and discharges, accomplish the predrying operation, then open control flap 14, make discharge gate 113 open, extrusion mechanism 12 continues the extrusion material, the material is extruded from discharge gate 113, accomplish the feeding operation.

Referring to fig. 1 and 2, the sidewall of the storage tank 11 is a double-layer jacket structure, which includes a first jacket 114 and a second jacket 131 from outside to inside in sequence, the second jacket 131 includes a first fixing net, a second fixing net and a filter net 132, the filter net 132 is disposed between the first fixing net and the second fixing net to form the filter mechanism 13; the water outlet 112 is located on the first jacket 114. The wet material in the storage tank 11 is continuously extruded by the extruding mechanism 12, the solid matter in the wet material is limited in the second jacket 131 by the filter screen 132, and the water in the wet material passes through the filter screen 132 of the second jacket 131, is extruded into the gap between the first jacket 114 and the second jacket 131, and is discharged through the water outlet 112, so as to achieve the purpose of pre-drying. The mesh size of the filter 132 can be selected according to the particle size of the solid matter in the wet material. The two sides of the filter screen 132 are fixed by the first fixing net and the second fixing net respectively, so that the filter mechanism 13 has certain enough strength, and the filter mechanism 13 is prevented from being damaged by the extruding mechanism 12. And the first fixing net and the second fixing net are both net-shaped structures, which does not affect the filtering performance of the filter net 132.

The feeding device 1 further comprises a flushing mechanism 15, wherein the flushing mechanism 15 is arranged on the inner wall of the first jacket 114 and is used for flushing the filtering mechanism 13 so as to prevent the filtering holes of the filtering mechanism 13 from being blocked by materials. When the feeding of the feeding device 1 is finished and no material is left in the storage cylinder 11, the flushing mechanism 15 is opened, and the filtering mechanism 13 is flushed. The flushing mechanism 15 can be a plurality of flushing nozzles arranged on the inner wall of the first jacket 114, the flushing nozzles are arranged opposite to the filtering mechanism 13, and the flushing angle of the flushing nozzles can be adjusted so as to better clean the filtering mechanism 13, thereby ensuring the filtering effect of the filtering mechanism 13.

Referring to fig. 1 and 2, the first fixing net and the second fixing net are both steel nets. The steel mesh is light in weight and high in strength, is convenient to install, and can ensure the structural strength of the filtering mechanism 13; the steel mesh has good plasticity, and cannot be suddenly broken and damaged due to accidental overload or local overload; the steel mesh has good toughness and strong adaptability to dynamic load. Preferably, the first fixing net and the second fixing net are both made of stainless steel materials, have good corrosion resistance and can adapt to the characteristics of high water content and complex property of wet sludge.

Pressing mechanism 12 includes a controller 121, a connecting member 122, and a pressing member 123, connecting member 122 connecting controller 121 and pressing member 123 such that controller 121 controls pressing member 123 to press material in accumulator 11. The controller 121 drives the extrusion piece 123 to extrude the materials through the connecting piece 122, the structure is simple, and the water yield and the discharge amount of the materials can be adjusted through adjustment of the extrusion force.

The open feed inlet 111 that forms of the upside of storage vat 11, extruded piece 123 can stretch into storage vat 11 through feed inlet 111 in, extrude the material. The open feed port 111 facilitates feeding. In one embodiment, the controller 121 is disposed outside the extrusion cylinder, the controller 121 controls the extrusion member 123 to ascend or descend through the connecting member 122, the material is extruded through the gravity of the extrusion member 123, and the extrusion member 123 is matched with the second jacket 131, so that the material in the second jacket 131 can be extruded better. During feeding, the controller 121 controls the extrusion piece 123 to rise, and after the material is fed from the feeding hole 111, the controller 121 controls the extrusion piece 123 to descend, so that the extruded material is filtered to obtain water and discharged. But not limited thereto, the controller 121 may also achieve the purpose of extruding the material by applying an external force to the extrusion member 123, and the present invention is not limited thereto.

The controller 121 can be an electric motor or a hydraulic pump, and the control mode is simple and reliable.

Referring to fig. 1, the feeding device 1 further includes a water collecting mechanism 16, and the water collecting mechanism 16 is connected to the water outlet 112 for collecting the water filtered by the filtering mechanism 13. Collect the water that the filtration was got, can provide the water for if other processes such as washing mechanism 15 on the one hand, make full use of water resource, on the other hand because the water that the mud filtration obtained, the nature is comparatively complicated, and pollutant content is high to concentrate and carry out innocent treatment, comparatively environmental protection.

Referring to fig. 2, the discharging hole 113 is provided with a mesh 17. The material is easy to agglomerate after being extruded, and the sieve mesh 17 is arranged at the discharge port 113, so that the extruded material can be well dispersed, and the subsequent drying and combustion can be conveniently carried out.

Referring to fig. 1 and fig. 2, the present invention further provides a feeding system, which includes a plurality of feeding devices 1. Feeder 1 collection predrying and feed in an organic whole, be applicable to the thin material that the high stickness of moisture content such as processing mud is big, constantly extrude the material through extrusion mechanism 12 for the material all receives the effect of extrusion force when carrying out predrying and feed, can effectively prevent to take place the problem of putty, and then guarantees that equipment operation is stable. During the use, close control flap 14 earlier, make discharge gate 113 close, in sending the material into storage vat 11 from feed inlet 111, the great material of water content filters the dewatering through filtering mechanism 13, and simultaneously, extrude the material through extrusion mechanism 12, make the water of material normal water constantly extruded out, guarantee the dewatering effect of material, the water that the filtration obtained passes through delivery port 112 and discharges, accomplish the predrying operation, then open control flap 14, make discharge gate 113 open, extrusion mechanism 12 continues the extrusion material, the material is extruded from discharge gate 113, accomplish the feeding operation. Preferably, the number of the feeding devices 1 is two, one is used for another, when one of the feeding devices fails, the other feeding device can feed materials normally, continuous feeding is achieved, subsequent processes cannot be incapable of running due to the failure of the feeding device 1, and when the supply quantity demand of materials in the processes is large, the two feeding devices 1 can run simultaneously. But not limited to this, feeder 1's quantity can be according to specific operating mode setting, the utility model discloses do not limit to this.

The feeding device 1 and the feeding system are not only suitable for feeding sludge, but also suitable for feeding other fine materials with high water content and viscosity.

The above is only the preferred embodiment of the present invention, and not the patent protection scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings of the present invention can be directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.

Claims (10)

1. A feeding device is characterized by comprising a storage cylinder, an extrusion mechanism, a filtering mechanism and a control valve, wherein a feeding hole is formed in the upper side of the storage cylinder, and part of the extrusion mechanism is movably arranged in the storage cylinder so as to extrude materials in the storage cylinder; the storage vat is provided with a water outlet, the filtering mechanism is arranged in the storage vat so as to filter and remove water from the materials in the storage vat, and the water obtained by filtering is discharged through the water outlet; the lower side of the storage cylinder is provided with a discharge hole, and the control valve is arranged at the discharge hole and used for opening or closing the discharge hole.

2. The feeding device according to claim 1, wherein the side wall of the storage vat has a double-layer jacket structure, and comprises a first jacket and a second jacket from outside to inside in sequence, the second jacket comprises a first fixed net, a second fixed net and a filter screen, and the filter screen is arranged between the first fixed net and the second fixed net to form the filter mechanism; the water outlet is positioned on the first jacket.

3. The feeding device according to claim 2, further comprising flushing means provided on an inner wall of said first jacket for flushing said filtering means.

4. The feeding device as set forth in claim 2, wherein the first fixed net and the second fixed net are both steel nets.

5. The feeder of claim 1, wherein the extrusion mechanism comprises a controller, a linkage, and an extrusion, the linkage connecting the controller and the extrusion such that the controller controls the extrusion to extrude the material in the accumulator.

6. The feeder of claim 5, wherein the upper side of the accumulator is open to form a feed inlet through which the extrusion member can extend into the accumulator to extrude material.

7. The feeding device as set forth in claim 5, wherein the controller is an electric motor or a hydraulic pump.

8. The feeding device as claimed in claim 1, further comprising a water collecting mechanism connected to said water outlet for collecting water filtered by said filtering mechanism.

9. The feeding device as set forth in claim 1, wherein the discharge port is provided with a mesh screen.

10. A feeding system comprising a plurality of feeding devices according to any of claims 1-9.

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