CN215923747U - Efficient integrated dilute-phase positive-pressure pneumatic conveying system - Google Patents
Efficient integrated dilute-phase positive-pressure pneumatic conveying system Download PDFInfo
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- CN215923747U CN215923747U CN202122482698.3U CN202122482698U CN215923747U CN 215923747 U CN215923747 U CN 215923747U CN 202122482698 U CN202122482698 U CN 202122482698U CN 215923747 U CN215923747 U CN 215923747U
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Abstract
The utility model discloses a high-efficiency integrated dilute-phase positive-pressure pneumatic conveying system, which comprises: storing solid materials in a bin; the automatic ton bag unpacking device is arranged at the top of the solid material storage bin and comprises a ton bag unpacking bin and a pressing unit, the pressing unit is arranged above the ton bag unpacking bin and can press the skirt edge of a ton bag, and the ton bag unpacking bin is communicated with the solid material storage bin; the exhaust unit sets up on the ton package unpacks the storehouse, when the material in the ton bag fell to the ton package unpacks the storehouse in, the exhaust unit can be discharged the gas in the ton package unpacks the storehouse to the outside. The feeding and unpacking operation of the utility model is convenient and labor-saving. And when the material whereabouts, the exhaust unit can extrude the gas in ton package unpacking storehouse, realizes the exhaust function to the jam of unloading has been avoided.
Description
Technical Field
The utility model relates to the technical field of pneumatic conveying systems, in particular to a high-efficiency integrated dilute-phase positive-pressure pneumatic conveying system.
Background
The pneumatic conveying is to convey solid materials of different shapes in a closed pipeline along the airflow direction by utilizing the energy of the airflow, and is a specific application of the fluidization technology. The pneumatic conveying device has simple structure and convenient operation, can be used for horizontal, vertical or inclined conveying, and can simultaneously carry out physical operations or certain chemical operations such as heating, cooling, drying, airflow classification and the like on materials in the conveying process. Compared with mechanical conveying, the method has the advantages of higher energy consumption, easy damage of particles and easy abrasion of equipment; but the conveying efficiency and the conveying capacity are large, the conveying process is relatively closed, and the required materials can be conveyed to a set area accurately and quickly at fixed points.
The dilute-phase positive pressure conveying refers to a conveying mode that a Roots blower or an air pump is used as an upstream power source, and solid materials are introduced into a hybrid power system from the downstream of an air flow; it is generally desirable that the solids content is less than 1-10kg/m3The operation gas velocity is high (about 18-30 m/s), and the conveying distance is basically within 300 m.
At present, a pneumatic conveying system is widely applied to the traditional industries of chemical raw material conveying, medicines, foods and the like, in recent years, the national development of the environmental protection and industrial automation industries has been vigorously carried out, the use working condition of the pneumatic conveying is more complex, the requirement for automation control is particularly outstanding, and the problems of material congestion, poor feeding convenience, poor working condition use matching degree and the like are frequently generated.
SUMMERY OF THE UTILITY MODEL
Therefore, in order to solve the technical problems, an efficient integrated dilute-phase positive-pressure pneumatic conveying system which is free from congestion and convenient to feed needs to be provided.
An efficient integrated dilute-phase positive pressure pneumatic conveying system, comprising:
storing solid materials in a bin;
the automatic ton bag unpacking device is arranged at the top of the solid material storage bin and comprises a ton bag unpacking bin and a pressing unit, the pressing unit is arranged above the ton bag unpacking bin and can press the skirt edge of a ton bag, and the ton bag unpacking bin is communicated with the solid material storage bin;
the exhaust unit sets up on the ton package unpacks the storehouse, when the material in the ton bag fell to the ton package unpacks the storehouse in, the exhaust unit can be discharged the gas in the ton package unpacks the storehouse to the outside.
In one embodiment, the pressing unit comprises pressing cylinders and pressing plates, the pressing cylinders are symmetrically arranged on the side wall of the ton bag unpacking bin, the pressing plates are arranged above the ton bag unpacking bin and connected with the pressing cylinders, and the pressing cylinders can drive the pressing plates to move downwards to press the skirt edges of the ton bags.
In one embodiment, the exhaust unit comprises an inner interlayer arranged inside the ton bag unpacking bin, a gap is formed between the inner interlayer and the inner side wall of the ton bag unpacking bin, an exhaust port is arranged on the outer side of the ton bag unpacking bin, and the exhaust port is communicated with the gap.
In one embodiment, the bottom of the inner interlayer extends to the bottom of the ton bale unpacking bin.
In one embodiment, the solid material storage bin is connected with a transitional weighing bin, the transitional weighing bin is connected with an external fixing piece through a plurality of weighing sensors, and the weighing sensors are uniformly distributed outside the transitional weighing bin.
In one embodiment, a gas overflow pipe is arranged at the top of the transition weighing bin and communicated with the interior of the transition weighing bin.
In one embodiment, an arch breaking rod is arranged in the transitional weighing bin and connected with an arch breaking speed reduction motor, and poking rods with different lengths are arranged on the outer surface of the arch breaking rod.
In one embodiment, the transition weighing bin is connected with an injection feeding mechanism, the injection feeding mechanism comprises a variable-frequency discharging rotary valve, the variable-frequency discharging rotary valve can control the feeding speed, and a breathing port is arranged on the variable-frequency discharging rotary valve.
In one embodiment, the jet feeding mechanism further comprises a roots blower.
Above-mentioned high-efficient integrated dilute phase malleation pneumatic conveying system compresses tightly the shirt rim of ton bag through compressing tightly the unit is automatic, and the automatic whereabouts in-process of material in the ton bag does not have any dust to raise, and its material unpacks the operation convenience, laborsaving. And when the material whereabouts, the exhaust unit can extrude the gas in ton package unpacking storehouse, realizes the exhaust function to the jam of unloading has been avoided.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a highly efficient integrated dilute-phase positive pressure pneumatic conveying system of the present invention;
FIG. 2 is a schematic view of the installation position structure of the automatic ton bag unpacking device and the solid material storage bin of the utility model;
FIG. 3 is a schematic structural diagram of a ton bale breaking bin of the present invention;
fig. 4 is a partial enlarged view at a of fig. 3;
FIG. 5 is a schematic diagram of the weighing hopper of the present invention;
fig. 6 is a schematic structural view of the arch breaking bar of the present invention.
Detailed Description
To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-6, an embodiment of the present invention provides an efficient integrated dilute-phase positive-pressure pneumatic conveying system, including: the device comprises a solid material storage bin 1, an automatic ton bag unpacking device 2 and an exhaust unit 3.
The automatic ton bag unpacking device 2 is arranged at the top of the solid material storage bin 1, the automatic ton bag unpacking device 2 comprises a ton bag unpacking bin 21 and a pressing unit, the pressing unit is arranged above the ton bag unpacking bin 21, the pressing unit can press the skirt edge of a ton bag, and the ton bag unpacking bin 21 is communicated with the solid material storage bin 1;
the exhaust unit 3 is arranged on the ton bag unpacking bin 21, and when the materials in the ton bag fall into the ton bag unpacking bin 21, the exhaust unit 3 can exhaust the gas in the ton bag unpacking bin 21 to the outside.
Above-mentioned high-efficient integrated dilute phase malleation pneumatic conveying system compresses tightly the shirt rim of ton bag through compressing tightly the unit is automatic, and the automatic whereabouts in-process of material in the ton bag does not have any dust to raise, and its material unpacks the operation convenience, laborsaving. And when the material falls, the exhaust unit 3 can extrude the gas in the ton bag unpacking bin 21, so that the exhaust function is realized, and the blanking congestion is avoided.
In an embodiment of the present invention, the pressing unit includes a pressing cylinder 22 and a pressing plate 23, the pressing cylinder 22 is symmetrically disposed on a sidewall of the ton bag unpacking bin 21, the pressing plate 23 is disposed above the ton bag unpacking bin 21, and the pressing plate 23 is connected to the pressing cylinder 22, and the pressing cylinder 22 can drive the pressing plate 23 to move downward to press the skirt of the ton bag. In this embodiment, the ton bag unpacking bin 21 can be connected with the solid material storage bin 1 by bolts through a DN200 flange interface. The pressing plate 23 can be made by rolling and welding a stainless steel 304 material plate with the thickness of 3mm, and the design size is 600mm in diameter, so that the skirt opening size of a ton bag for containing most of slaked lime raw materials on the market is allowed. It utilizes compressing tightly cylinder 22 to drive clamp plate 23 and extrudees the shirt rim of ton bag in ton package unpacking storehouse 21 upper portion flange department, guarantees that the sack of ton bag does not have and drops, and need not personnel manual operation, realizes process automation, saves ton bag material loading time.
Specifically, the ton bag is lifted to the position above a ton bag unpacking bin 21 by using transportation and hoisting equipment such as an electric hoist, the skirt edge opening of the ton bag is pressed to a pressing plate 23, and a feeding rope of the ton bag is unpacked, so that the slaked lime material automatically falls down; this process ton bag and clamp plate 23 realize compressing tightly, and the material whereabouts in-process does not have any dust to raise, realizes that the material loading unpacks convenient, laborsaving of operation to effective control skirt opening and charge door gap problem realize dustless unloading.
In an embodiment of the present invention, the exhaust unit 3 includes an inner interlayer 31 disposed inside the ton bag unpacking bin 21, a gap 32 is formed between the inner interlayer 31 and an inner side wall of the ton bag unpacking bin 21, an exhaust port 33 is disposed outside the ton bag unpacking bin 21, and the exhaust port 33 is communicated with the gap 32.
In this embodiment, the gap 32 is 5-8mm in size. Optionally, the bottom of the inner interlayer 31 extends to the bottom of the ton bag unpacking bin 21 and is annularly arranged along with a bottom flange, and when the material falls, air in the ton bag unpacking bin 21 is extruded out from the gap 32 and exhausted from the exhaust port 33, so that smooth discharging is ensured.
In an embodiment of the present invention, the solid material storage bin 1 is connected to a transitional weighing bin 4, the transitional weighing bin 4 is connected to an external fixing member through a plurality of weighing sensors 5, and the plurality of weighing sensors 5 are uniformly distributed outside the transitional weighing bin 4. Specifically, transition weighing feed bin 4 sets up the multiple spot mode of weighing (three and above), uses a plurality of weighing sensor 5 to equallyd divide transition weighing feed bin 4 whole weight, utilizes weighing sensor 5 self as fixed stay to the change of weight of multiple spot detection transition weighing feed bin 4 reads accurate calculation mean through PLC processing.
In an embodiment of the present invention, a gas overflow pipe 41 is disposed at the top of the transition weighing bin 4, and the gas overflow pipe 41 is communicated with the interior of the transition weighing bin 4. So, through the material falling speed in the excessive pipe 41 of gas can effective acceleration rate transition weighing bin 4, avoid the material to bridge, arch camber for weighing sensor 5's reading is more accurate, the transition is more smooth-going.
In an embodiment of the present invention, an arch breaking rod 42 is disposed in the transitional weighing bin 4, the arch breaking rod 42 is connected to an arch breaking speed reducing motor 43, and a pulling rod 44 with different lengths is disposed on an outer surface of the arch breaking rod 42. In this embodiment, the arch-breaking speed-reducing motor 43 can be selected as a torque-force large-rotating-speed low-type, stable-rotating-speed, strong-resistance stuck fault alarm; and the structure of the reinforcing arch breaking rod 42 adopts a comprehensive wolf tooth rod type, the poke rod 44 is made of solid round steel through polishing, the materials can be effectively scattered even if being caked, no dead angle in the bin is realized for stirring, and the phenomenon of bridging of the stroke of the materials which are difficult to flow in the transitional weighing bin 4 is effectively inhibited.
In an embodiment of the present invention, the transition weighing bin 4 is connected to an injection feeding mechanism 6, the injection feeding mechanism 6 includes a variable frequency rotary discharge valve, the variable frequency rotary discharge valve can control a feeding rate, and the variable frequency rotary discharge valve is provided with a breathing port. So, simplified material loading chain control when saving space, only need control the frequency conversion unload the rotational speed frequency conversion interval of rotary valve can realize the control to material loading speed, breathe the mouth and effectively unload the internal air discharge when the rotary valve is rotatory with the frequency conversion, increase material filling speed, promote the material loading volume.
In an embodiment of the present invention, the injection feeding mechanism 6 further comprises a roots blower. Specifically, the Roots blower adopts variable frequency control, the required conveying power condition is different due to different horizontal and vertical paths at the end points of all branches under the condition of a multi-branch conveying working condition, the Roots blower is selected according to the condition that the farthest path is used as a calculated resistance condition, the other branches are sequentially selected according to a performance curve, and the branch control valve and the PLC are utilized to realize control linkage.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-described examples merely represent several embodiments of the present application and are not to be construed as limiting the scope of the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (9)
1. An efficient integrated dilute-phase positive pressure pneumatic conveying system, comprising:
storing solid materials in a bin;
the automatic ton bag unpacking device is arranged at the top of the solid material storage bin and comprises a ton bag unpacking bin and a pressing unit, the pressing unit is arranged above the ton bag unpacking bin and can press the skirt edge of a ton bag, and the ton bag unpacking bin is communicated with the solid material storage bin;
the exhaust unit sets up on the ton package unpacks the storehouse, when the material in the ton bag fell to the ton package unpacks the storehouse in, the exhaust unit can be discharged the gas in the ton package unpacks the storehouse to the outside.
2. The efficient integrated dilute-phase positive pressure pneumatic conveying system according to claim 1, wherein the compressing unit comprises compressing cylinders and pressing plates, the compressing cylinders are symmetrically arranged on the side walls of the ton bag unpacking bin, the pressing plates are arranged above the ton bag unpacking bin and are connected with the compressing cylinders, and the compressing cylinders can drive the pressing plates to move downwards to compress the skirt edges of the ton bag.
3. The efficient integrated dilute-phase positive pressure pneumatic conveying system according to claim 2, wherein the exhaust unit comprises an inner interlayer arranged inside the ton bag unpacking bin, a gap is formed between the inner interlayer and the inner side wall of the ton bag unpacking bin, an exhaust port is arranged on the outer side of the ton bag unpacking bin, and the exhaust port is communicated with the gap.
4. The high efficiency integrated dilute phase positive pressure pneumatic conveying system according to claim 3, wherein the bottom of said internal interlayer extends to the bottom of said ton bale breaking bin.
5. The efficient integrated dilute-phase positive pressure pneumatic conveying system according to claim 1, wherein the solid material storage bin is connected with a transitional weighing bin, the transitional weighing bin is connected with an external fixing member through a plurality of weighing sensors, and the weighing sensors are uniformly distributed outside the transitional weighing bin.
6. The efficient integrated dilute-phase positive pressure pneumatic conveying system according to claim 5, wherein a gas overflow pipe is arranged at the top of the transitional weighing bin, and the gas overflow pipe is communicated with the interior of the transitional weighing bin.
7. The efficient integrated dilute-phase positive pressure pneumatic conveying system according to claim 6, wherein an arch breaking rod is arranged in the transitional weighing bin, the arch breaking rod is connected with an arch breaking speed reduction motor, and poking rods with different lengths are arranged on the outer surface of the arch breaking rod.
8. The high-efficiency integrated dilute-phase positive pressure pneumatic conveying system according to claim 5, 6 or 7, wherein the transition weighing bin is connected with an injection feeding mechanism, the injection feeding mechanism comprises a variable-frequency discharging rotary valve, the variable-frequency discharging rotary valve can control the feeding rate, and a breathing port is arranged on the variable-frequency discharging rotary valve.
9. The high efficiency integrated dilute phase positive pressure pneumatic conveying system according to claim 8, wherein said jet feed mechanism further comprises a roots blower.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122482698.3U CN215923747U (en) | 2021-10-15 | 2021-10-15 | Efficient integrated dilute-phase positive-pressure pneumatic conveying system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122482698.3U CN215923747U (en) | 2021-10-15 | 2021-10-15 | Efficient integrated dilute-phase positive-pressure pneumatic conveying system |
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| Publication Number | Publication Date |
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| CN215923747U true CN215923747U (en) | 2022-03-01 |
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| CN202122482698.3U Active CN215923747U (en) | 2021-10-15 | 2021-10-15 | Efficient integrated dilute-phase positive-pressure pneumatic conveying system |
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