CN221179354U - Threshing redrying stem crushing air conveying system - Google Patents
Threshing redrying stem crushing air conveying system Download PDFInfo
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- CN221179354U CN221179354U CN202322809802.4U CN202322809802U CN221179354U CN 221179354 U CN221179354 U CN 221179354U CN 202322809802 U CN202322809802 U CN 202322809802U CN 221179354 U CN221179354 U CN 221179354U
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- 239000000463 material Substances 0.000 abstract description 10
- 206010024796 Logorrhoea Diseases 0.000 abstract 1
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- 238000001914 filtration Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
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- 241000208125 Nicotiana Species 0.000 description 1
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Abstract
The utility model belongs to the technical field of stalk crushing air conveying, and discloses a threshing and redrying stalk crushing air conveying system which comprises a stalk crushing blanking device, a fan, a first stalk vibrating screen and a second stalk vibrating screen, wherein the feeding end of the stalk crushing blanking device is communicated with a feeding air pipe, and the feeding air pipe is provided with a first feeding pipe and a second feeding pipe; the air inlet end of the fan is communicated with the air outlet end of the stem crushing blanking device; the collecting port of the first stem vibrating screen is communicated with a first feeding pipe, and the first feeding pipe is provided with a first inclined plate plug valve; the collecting port of the second stalk vibrating screen is communicated with a second feeding pipe, and the second feeding pipe is provided with a second inclined plate plug valve. This threshing and redrying garrulous stalk pneumatic conveying system, when the threshing device of first stalk shakes the sieve or second stalk shakes the sieve place threshing line be in the shut down state, first swash plate insert valve or second swash plate insert valve are closed, can avoid first conveying pipe or second conveying pipe under the no material state like this, first conveying pipe and the serious unbalance of second conveying pipe amount of wind lead to the problem of putty.
Description
Technical Field
The utility model relates to the technical field of pneumatic conveying of crushed stems, in particular to a pneumatic conveying system for threshing and redrying crushed stems.
Background
Two threshing lines are generally configured for threshing and redrying production enterprises, and broken stems generated by the two threshing lines are processed in a centralized manner, so that occupation of sites and labor investment are reduced.
At present, broken stems generated by two threshing lines are bifurcated into two air pipes by adopting a main air pipe, and the two air pipes respectively collect the broken stems of the two threshing lines. However, in the process, the two air pipes are provided with materials or are not provided with materials due to different production time and equipment faults in the process of processing the tobacco leaves by the two threshing lines. The negative pressure air quantity is increased along with the decrease of resistance in the material-free pipeline, and the negative pressure air quantity is decreased along with the increase of resistance in the material-free pipeline, so that the situation that crushed stems cannot be sent to block the air pipe occurs.
Disclosure of utility model
The utility model aims to provide a threshing and redrying stem crushing air conveying system which can avoid the problem of blockage caused by serious unbalance of air quantity of a pipeline.
To achieve the purpose, the utility model adopts the following technical scheme:
an air-assisted threshing and redrying crushed stem system comprising:
The feeding end of the crushed stem blanking device is communicated with a feeding air pipe, and the feeding air pipe is provided with a first feeding pipe and a second feeding pipe;
The air inlet end of the fan is communicated with the air outlet end of the broken stem blanking device;
The collecting port of the first stem vibrating screen is communicated with the first feeding pipe, and the first feeding pipe is provided with a first inclined plate insertion valve;
The second stem shakes the sieve, the collection mouth of second stem shakes the sieve with second conveying pipe intercommunication, second conveying pipe is provided with the second swash plate and inserts the valve.
Optionally, the air outlet end of the fan is communicated with an air supplementing pipe, the air supplementing pipe is provided with a first air dividing pipe and a second air dividing pipe, the first air dividing pipe is communicated with the first feeding pipe, and the second air dividing pipe is communicated with the second feeding pipe.
Optionally, the first air dividing pipe is provided with a first air valve, and the second air dividing pipe is provided with a second air valve.
Optionally, the first swash plate valve and the second swash plate valve are electrically controlled swash plate valves.
Optionally, a dust remover is arranged between the fan and the crushed stem blanking device, an air inlet end of the dust remover is communicated with an air outlet end of the crushed stem blanking device, and an air outlet end of the dust remover is communicated with an air inlet end of the fan.
Optionally, a broken stem conveying belt is arranged at a blanking port of the broken stem blanking device.
The utility model has the beneficial effects that:
According to the threshing and redrying stem crushing air conveying system, the first inclined plate inserted valve is arranged on the first conveying pipe, the second inclined plate inserted valve is arranged on the second conveying pipe, when the threshing equipment of the threshing line where the first stem vibrating screen is located is in a stop state, the first inclined plate inserted valve is closed, and when the threshing equipment of the threshing line where the second stem vibrating screen is located is in a stop state, the second inclined plate inserted valve is closed, so that the problem of blockage caused by serious unbalance of the air quantity of the first conveying pipe and the second conveying pipe in the non-material state of the first conveying pipe or the second conveying pipe can be avoided; and the opening amounts of the first inclined plate insert valve and the second inclined plate insert valve are adjusted to effectively adjust and balance the air quantity in the pipe of the first feeding pipe and the second feeding pipe under the normal material state, the crushed stems screened out by the first stem vibrating screen fall into the collecting port and are sent to the crushed stem feeder through the feeding air pipe under the action of negative pressure air through the first feeding pipe, and the crushed stems screened out by the second stem vibrating screen fall into the collecting port and are sent to the crushed stem feeder through the feeding air pipe under the action of negative pressure air through the second feeding pipe.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the drawings needed in the description of the embodiments of the present utility model, and it should be apparent that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to the contents of the embodiments of the present utility model and these drawings without inventive effort for those skilled in the art.
Fig. 1 is a schematic structural view of a threshing and redrying stem crushing air conveying system provided by the utility model.
In the figure:
100. A broken stem blanking device; 200. a feeding air pipe; 210. a first feed tube; 211. a first swash plate valve; 220. a second feed tube; 221. a second swash plate valve; 300. a blower; 400. a first stalk vibrating screen; 500. a second stalk vibrating screen; 600. air supplementing pipes; 610. a first air dividing pipe; 611. a first damper; 620. a second air-dividing pipe; 621. a second air valve; 700. a dust remover; 800. crushed stalk conveying belt.
Detailed Description
The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
As shown in fig. 1, the utility model provides a threshing and redrying crushed stem pneumatic conveying system, which comprises a crushed stem blanking device 100, a fan 300, a first stem vibrating screen 400 and a second stem vibrating screen 500. Wherein, the feeding end of the crushed stem blanking device 100 is communicated with a feeding air pipe 200, and the feeding air pipe 200 is provided with a first feeding pipe 210 and a second feeding pipe 220; the air inlet end of the fan 300 is communicated with the air outlet end of the crushed stem blanking device 100; the collecting port of the first stalk vibrating screen 400 is communicated with a first feeding pipe 210, and the first feeding pipe 210 is provided with a first inclined plate insertion valve 211; the collection port of the second stalk vibrating screen 500 communicates with the second feed pipe 220, and the second feed pipe 220 is provided with a second inclined plate valve 221.
According to the threshing and redrying stem crushing air conveying system provided by the utility model, the first inclined plate insert valve 211 is arranged on the first conveying pipe 210, the second inclined plate insert valve 221 is arranged on the second conveying pipe 220, when the threshing equipment of the threshing line where the first stem vibrating screen 400 is positioned is in a stop state, the first inclined plate insert valve 211 is closed, and when the threshing equipment of the threshing line where the second stem vibrating screen 500 is positioned is in a stop state, the second inclined plate insert valve 221 is closed, so that the problem of blockage caused by serious unbalance of the air quantity of the first conveying pipe 210 and the second conveying pipe 220 in the non-material state of the first conveying pipe 210 or the second conveying pipe 220 can be avoided; and the opening amounts of the first inclined plate insert valve 211 and the second inclined plate insert valve 221 can be adjusted to effectively adjust and balance the air quantity in the first feeding pipe 210 and the second feeding pipe 220 under the normal material state, the crushed stems screened out by the first stem vibrating screen 400 fall into the collecting port and are sent to the crushed stem blanking device 100 through the first feeding pipe 210 under the action of negative pressure air through the feeding air pipe 200, and the crushed stems screened out by the second stem vibrating screen 500 fall into the collecting port and are sent to the crushed stem blanking device 100 through the second feeding pipe 220 under the action of negative pressure air through the feeding air pipe 200.
In some specific embodiments, the first inclined plate valve 211 and the second inclined plate valve 221 are electrically controlled inclined plate valves, the first inclined plate valve 211 is in control connection with the threshing device of the threshing line where the first stalk vibrating screen 400 is located, and when the threshing device of the threshing line where the first stalk vibrating screen 400 is located is in a stop state, the first inclined plate valve 211 is automatically closed; the second inclined plate insert valve 221 is in control connection with the threshing equipment of the threshing line where the second stem vibrating screen 500 is located, and when the threshing equipment of the threshing line where the second stem vibrating screen 500 is located is in a stop state, the second inclined plate insert valve 221 is automatically closed.
In some embodiments, the air outlet end of the blower 300 is communicated with an air supplementing pipe 600, the air supplementing pipe 600 is provided with a first air dividing pipe 610 and a second air dividing pipe 620, the first air dividing pipe 610 is communicated with the first feeding pipe 210, and the second air dividing pipe 620 is communicated with the second feeding pipe 220. After the crushed stems and the air are separated by the crushed stems blanking device 100, the air enters the fan 300, the air outlet end of the fan 300 is communicated with the air supplementing pipe 600, the air supplementing pipe 600 respectively leads positive pressure air to the first feeding pipe 210 and the second feeding pipe 220 through the first air dividing pipe 610 and the second air dividing pipe 620, the original pure negative pressure air feeding mode in the first feeding pipe 210 and the second feeding pipe 220 is changed into a positive pressure and negative pressure mixed air feeding mode, the air quantity in the first feeding pipe 210 and the second feeding pipe 220 is further improved, and the material conveying capacity of the feeding pipe 200 can be greatly improved under the condition that the power of the fan 300 is unchanged. Illustratively, the first branch duct 610 is disposed coaxially with the first feed tube 210 and the second branch duct 620 is disposed coaxially with the second feed tube 220.
Optionally, the first air dividing pipe 610 is provided with a first air valve 611, the second air dividing pipe 620 is provided with a second air valve 621, the positive pressure air volume of the first air dividing pipe 610 entering the first feeding pipe 210 can be adjusted by adjusting the opening amount of the first air valve 611, the positive pressure air volume of the second air dividing pipe 620 entering the second feeding pipe 220 can be adjusted by adjusting the opening amount of the second air valve 621, and the air volumes of the first feeding pipe 210 and the second feeding pipe 220 are further matched; the first air valve 611 may be closed when the threshing apparatus of the threshing wire where the first stalk vibrating screen 400 is located is in a stopped state, and the second air valve 621 may be closed when the threshing apparatus of the threshing wire where the second stalk vibrating screen 500 is located is in a stopped state.
In some embodiments, a dust remover 700 is arranged between the fan 300 and the crushed stem blanking device 100, an air inlet end of the dust remover 700 is communicated with an air outlet end of the crushed stem blanking device 100, the air outlet end of the dust remover 700 is communicated with the air inlet end of the fan 300, the crushed stem blanking device 100 separates crushed stems from air, dust-containing air enters the dust remover 700 for filtering, and filtered air enters the fan 300. The blanking port of the crushed stem blanking device 100 is provided with a crushed stem conveying belt 800, and after the crushed stem blanking device 100 separates crushed stems from air, the crushed stems fall onto the crushed stem conveying belt 800 and are sent to the next-stage equipment for centralized treatment.
The working principle of the threshing and redrying stem crushing air conveying system provided by the utility model is as follows:
When the threshing equipment of the threshing line where the first stalk vibrating screen 400 is located is in a stop state, the first inclined plate insert valve 211 is closed, and when the threshing equipment of the threshing line where the second stalk vibrating screen 500 is located is in a stop state, the second inclined plate insert valve 221 is closed, so that the problem of blockage caused by serious unbalance of the air quantity of the first feeding pipe 210 and the second feeding pipe 220 in the non-feeding state of the first feeding pipe 210 or the second feeding pipe 220 can be avoided; the opening amounts of the first inclined plate insert valve 211 and the second inclined plate insert valve 221 can be adjusted to effectively adjust and balance the air quantity in the first feeding pipe 210 and the second feeding pipe 220 in a normal material state, the crushed stems screened out of the first stem vibrating screen 400 fall into a collecting port and are sent to the crushed stem blanking device 100 through the first feeding pipe 210 under the action of negative pressure air through the feeding air pipe 200, and the crushed stems screened out of the second stem vibrating screen 500 fall into the collecting port and are sent to the crushed stem blanking device 100 through the second feeding pipe 220 under the action of negative pressure air through the feeding air pipe 200; the crushed stem blanking device 100 separates crushed stems from air, the crushed stems fall onto the crushed stem conveying belt 800 and are conveyed to the next-stage equipment for centralized treatment, dust-containing air enters the dust remover 700 for filtering, the filtered air enters the fan 300, the air outlet end of the fan 300 is communicated with the air supplementing pipe 600, the air supplementing pipe 600 respectively leads positive pressure air to the first conveying pipe 210 and the second conveying pipe 220 through the first air dividing pipe 610 and the second air dividing pipe 620, the pure negative pressure air conveying mode in the original first conveying pipe 210 and the second conveying pipe 220 is changed into a positive pressure and negative pressure mixed air conveying mode, the air quantity in the first conveying pipe 210 and the second conveying pipe 220 is further improved, and the material conveying capacity of the conveying air pipe 200 can be greatly improved under the condition that the power of the fan 300 is unchanged; the positive pressure air volume of the first air dividing pipe 610 entering the first feeding pipe 210 can be adjusted by adjusting the opening amount of the first air valve 611, the positive pressure air volume of the second air dividing pipe 620 entering the second feeding pipe 220 can be adjusted by adjusting the opening amount of the second air valve 621, and the air volumes in the first feeding pipe 210 and the second feeding pipe 220 are further matched.
It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.
Claims (6)
1. An air-assisted threshing and redrying stem crushing system, comprising:
The feeding end of the crushed stem blanking device is communicated with a feeding air pipe, and the feeding air pipe is provided with a first feeding pipe and a second feeding pipe;
The air inlet end of the fan is communicated with the air outlet end of the broken stem blanking device;
The collecting port of the first stem vibrating screen is communicated with the first feeding pipe, and the first feeding pipe is provided with a first inclined plate insertion valve;
The second stem shakes the sieve, the collection mouth of second stem shakes the sieve with second conveying pipe intercommunication, second conveying pipe is provided with the second swash plate and inserts the valve.
2. The threshing and redrying stem crushing air conveying system according to claim 1, wherein an air outlet end of the fan is communicated with an air supplementing pipe, the air supplementing pipe is provided with a first air dividing pipe and a second air dividing pipe, the first air dividing pipe is communicated with the first feeding pipe, and the second air dividing pipe is communicated with the second feeding pipe.
3. The threshing and redrying stem crushing air conveying system according to claim 2, wherein the first air dividing pipe is provided with a first air valve, and the second air dividing pipe is provided with a second air valve.
4. The threshing and redrying stem crushing air conveying system according to claim 1, wherein the first inclined plate valve and the second inclined plate valve are electrically controlled inclined plate valves.
5. The threshing and redrying stem crushing air conveying system according to claim 1, wherein a dust remover is arranged between the fan and the stem crushing blanking device, an air inlet end of the dust remover is communicated with an air outlet end of the stem crushing blanking device, and an air outlet end of the dust remover is communicated with an air inlet end of the fan.
6. The threshing and redrying crushed stem pneumatic conveying system according to any one of claims 1 to 5, wherein a crushed stem conveyer belt is provided at a blanking port of the crushed stem blanking device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322809802.4U CN221179354U (en) | 2023-10-19 | 2023-10-19 | Threshing redrying stem crushing air conveying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322809802.4U CN221179354U (en) | 2023-10-19 | 2023-10-19 | Threshing redrying stem crushing air conveying system |
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| Publication Number | Publication Date |
|---|---|
| CN221179354U true CN221179354U (en) | 2024-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322809802.4U Active CN221179354U (en) | 2023-10-19 | 2023-10-19 | Threshing redrying stem crushing air conveying system |
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| Country | Link |
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| CN (1) | CN221179354U (en) |
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- 2023-10-19 CN CN202322809802.4U patent/CN221179354U/en active Active
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