CN210980739U - Air distribution device and drying equipment - Google Patents
Air distribution device and drying equipment Download PDFInfo
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- CN210980739U CN210980739U CN201921996808.4U CN201921996808U CN210980739U CN 210980739 U CN210980739 U CN 210980739U CN 201921996808 U CN201921996808 U CN 201921996808U CN 210980739 U CN210980739 U CN 210980739U
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Abstract
The utility model discloses a cloth wind device and drying equipment belongs to dry technical field. It includes the cloth tuber pipe body, and it is cavity structures structure, and one end has the air intake, and the other end has the air outlet, a plurality of first ventilation openings have been seted up on the cloth tuber pipe body to and a plurality of first guide plate in cavity structures, first guide plate highly prolongs cavity structures length direction arranges in proper order by low to high, and is close to the first guide plate of air intake highly is less than and is close to the first guide plate of air outlet, the first guide plate of different gradients dwindles cavity structures's cross section, makes the abundant static pressure of hot gas flow convert into the dynamic pressure, guarantees that each air outlet amount of wind is balanced to improve dry line melon seed moisture homogeneity, promote productivity and quality. The problem of current cloth tuber pipe in melon seed production drying line, wind direction slope, wind speed are inhomogeneous or the wind speed is less, influence the dry productivity of melon seed is solved.
Description
Technical Field
The utility model belongs to the technical field of material drying equipment, specifically speaking relates to a cloth wind device and drying equipment.
Background
When the existing manufacturers carry out the melon seed drying process, the single-layer same-side air supply dryer adopting a Schmidt multi-section type is generally adopted, the dryer comprises an air distribution pipeline arranged below a conveying net belt, the air distribution pipeline is generally made of stainless steel, and a certain number of side holes are uniformly formed in the wall surface of the steel air distribution pipeline for air supply. The test of the applicant shows that: because there is pressure difference inside and outside the orifice, the air will flow out from the orifice on the direction of perpendicular to pipe wall, but because of receiving the influence of original intraductal axial velocity of flow, its orifice outflow direction is not perpendicular to pipe wall, but flows out along the direction that the tuber pipe axis becomes the contained angle with synthetic speed, and the angle of outflow of air current increases along the direction that flows constantly, leads to the cloth tuber pipe in the desiccator first and last both ends amount of wind difference great, and the skew degree of each air outlet wind speed of cloth tuber pipe is great.
Testing the average detection data of the wind speed of the wind distribution pipeline through a wind speed test sample, wherein the standard deviation is as follows: 0.767, CPK: 0.04 and the average wind speed is 2.5m/s, wherein the wind speed is lower, the wind quantity in the wind pipe is continuously reduced along with the air sent out from the side holes along the way, the flow speed and the dynamic pressure are correspondingly reduced, so the obtained static pressure value is increased, the wind speed of each air outlet of the wind distribution pipe is continuously increased, the problems of wind direction inclination, wind speed non-uniformity or small wind speed of the wind distribution pipe of the drying line are caused, the drying uniformity of the melon seeds is influenced, and the productivity is reduced.
SUMMERY OF THE UTILITY MODEL
1. Problems to be solved
Aiming at the problem that the drying line air distribution pipe used in the production of the existing melon seeds can generate wind direction inclination, uneven wind speed or smaller wind speed when in use and influence the drying capacity of the melon seeds, the utility model provides an air distribution device and drying equipment, which comprises an air distribution pipe body, wherein the air distribution pipe body is of a cavity structure, one end of the air distribution pipe body is provided with an air inlet, the other end of the air distribution pipe body is provided with an air outlet, the air distribution pipe body is provided with a plurality of first ventilation openings and a plurality of first guide plates in the cavity structure, the first guide plates are arranged in sequence from low to high along the length direction of the cavity structure, the height of the first guide plate close to the air inlet is lower than that of the first guide plate close to the air outlet, the first guide plates with different gradients reduce the cross section of the cavity structure, so that the static pressure of surplus hot air flow is converted into, the productivity and quality are improved.
2. Technical scheme
In order to solve the above problems, the utility model adopts the following technical proposal.
The utility model discloses the first aspect provides a cloth wind device, include:
the air distribution pipe body is of a cavity structure, one end of the air distribution pipe body is provided with an air inlet, the other end of the air distribution pipe body is provided with an air outlet, and the air distribution pipe body is provided with a plurality of first ventilation openings; and
the diversion structure comprises a plurality of first diversion plates arranged in the cavity structure, the first diversion plates are highly extended, the length direction of the cavity structure is sequentially arranged from low to high, and the first diversion plates are close to the air inlets and are highly lower than the first diversion plates close to the air outlets.
Preferably, the first deflectors are parallel to each other.
Preferably, the first baffle is arc-shaped, the cross section of the cavity structure is circular, and the first baffle is obliquely arranged on the inner wall of the cavity structure.
Preferably, the included angle between the first guide plate and the horizontal plane where the length direction of the cavity structure is located is 40-50 degrees.
Preferably, a second air vent is arranged at one end, close to the air inlet, of the air distribution pipe body, the second air vent is in a long strip shape, and the area of the second air vent is larger than that of the first air vent.
Preferably, the second air vents are arranged in a plurality of groups in parallel.
Preferably, the diversion structure further comprises a plurality of second diversion plates arranged on the periphery of the air distribution pipe body.
More preferably, the second guide plates are perpendicular to the axis of the air distribution pipe body, and the second guide plates are arranged in parallel with each other.
The utility model discloses the second aspect provides a drying equipment contains the cloth wind device as above.
3. Advantageous effects
One or more technical solutions in the present application have at least one or more of the following technical effects:
(1) the utility model provides an air distribution device, including the air distribution pipe body, it is the cavity structures, and one end has the air intake, and the other end has the air outlet, set up a plurality of first ventilation openings on the air distribution pipe body, and a plurality of first guide plate in the cavity structures, first guide plate height prolongs cavity structures length direction arranges from low to high in proper order, and the first guide plate height that is close to the air intake is less than the first guide plate that is close to the air outlet, and the first guide plate of different gradients progressively reduces the cross section of cavity structures, makes the surplus static pressure of hot gas flow convert into the dynamic pressure, guarantees that each air outlet amount of wind is balanced to improve dry line melon seed moisture homogeneity, promote productivity and product quality;
(2) the utility model discloses a set up a plurality of second guide plates in cloth tuber pipe body periphery, the second guide plate with cloth tuber pipe body axis is perpendicular, and is adjacent the second guide plate is parallel to each other set up, has guaranteed that the hot gas flow from first ventilation opening perpendicular to tuber pipe axis (wind direction is upwards perpendicular) as far as possible upwards dries the material on the conveying mesh belt, prevents that the heat from scattering and disappearing to all the other directions, reduces the energy consumption and has also improved drying efficiency;
(3) the utility model discloses set up first guide plate on cavity structures's inner wall aslope, and be close to the first guide plate height of air intake is less than near the first guide plate of air outlet, adopt above-mentioned setting after, the flow and the speed that the hot gas stream got into the cloth tuber pipe body are not influenced basically, and applicant's actual test result shows that average wind speed promotes 0.6m/s, and CPK promotes 0.39, and the standard deviation reduces 0.497;
(4) the air distribution pipe body of the utility model is provided with a second ventilation opening near one end of the air outlet, the second ventilation opening is in a long strip shape, and the upward hot air flow at the air outlet end is less because the first guide plate in the air inlet is shorter, so that the strip-shaped second ventilation opening is arranged, the air output in the hot air flow direction can be enlarged, the integral air speed of the air distribution pipe is kept consistent, and the materials near the air inlet can be uniformly dried;
(5) before the application of the utility model, the applicant calculates approximately, and the original production energy is 26.8515 t/day; the processing cost is 737.48 yuan/t; the current production capacity is improved to 28.36 t/day, the processing cost is 698.25 yuan/t, and the cost is reduced by 39.23 yuan/t.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
fig. 1 is a schematic structural view of an air distribution device according to an embodiment of the present invention;
fig. 2 is a sectional view of an air distribution device according to an embodiment of the present invention;
fig. 3 is a cross-sectional view of an air distribution device of a comparative example of the present invention;
FIG. 4 is a diagram of the wind speed measured at fixed points of each tuyere according to the embodiment of the present invention;
fig. 5 is a line diagram of wind speed measured at fixed points of each wind gap of a cross-sectional view of the wind distribution device in the embodiment of the present invention;
fig. 6 is a wind velocity diagram measured at fixed points of each tuyere according to the present invention.
Detailed Description
Make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, will combine the attached drawing in the embodiment of the present invention below, to the technical scheme in the embodiment of the present invention clearly, completely describe, obviously, the embodiment described is a partial embodiment of the present invention, rather than whole embodiment. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should also be noted that the terms "a," "an," "two," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Example 1
As shown in fig. 1 and 3, this embodiment provides an air distribution device, which includes an air distribution pipe body 10 and a diversion structure, the air distribution pipe body is used for receiving hot air, the hot air flows out from a first ventilation opening of the air distribution pipe body to dry the material of the conveying mesh belt, and the diversion structure is disposed on the air distribution pipe body and is used for adjusting the direction and speed of the hot air.
Specifically, the air distribution pipe body 10 is a cavity structure, and one end of the air distribution pipe body is provided with an air inlet 101, and the other end of the air distribution pipe body is provided with an air outlet. The air distribution pipe body is provided with a plurality of first air vents 103, in this embodiment, stainless steel with the length of 2 meters is used as the air distribution pipe body 10, the inner diameter of the pipe is 180-200mm, the air distribution pipe body is provided with a plurality of first air vents 103, and the first air vents 103 can be circular, semicircular, rectangular or other hole shapes, which is not limited herein. The first air vents in this embodiment are circular, the aperture may be 12mm, the hole distance between the first air vents is 18-20mm, and generally, 120 first air vents are uniformly formed on the air distribution pipe body 10 with the length of 2 meters.
The applicant finds that the upward hot air flow at the air outlet end is less because the first guide plate in the air inlet is shorter, and the strip-shaped second air vent is arranged, so that the upward air output of the hot air flow can be enlarged, the integral air speed of the air distribution pipe is kept consistent, and the materials close to the air inlet can be uniformly dried.
The second air vents 102 are arranged at one end of the air distribution pipe body close to the air inlet, in this embodiment, the second air vents 102 are long-strip-shaped and are arranged on the peripheral wall of the air distribution pipe body 10, the circle center where the radian of the second air vents is located is the same as that of the air distribution pipe body 10, the area of the second air vents is larger than that of the first air vents, and preferably, the second air vents are 2 groups and are arranged in parallel.
The diversion structure comprises a plurality of first diversion plates 105 arranged in the cavity structure, the first diversion plates are highly extended, the length direction of the cavity structure is sequentially arranged from low to high, and the first diversion plates are close to the air inlets and are highly lower than the first diversion plates 105 close to the air outlets. Here, the cross section of cavity structures is dwindled gradually to the first guide plate 105 of different gradients, makes the surplus static pressure of hot gas flow transform into the dynamic pressure, guarantees that each air outlet amount of wind is balanced to improve dry line melon seed moisture homogeneity, promote productivity and quality.
The first guide plate 105, which in this embodiment may include plugboards with lengths of 3cm, 5cm and 7cm, is arranged in sequence from low to high; the first baffle is arc-shaped, rectangular or semicircular, and the like, which is not limited herein, and the first baffle of this embodiment is arc-shaped. The value range of an included angle formed by the first guide plate and the inner wall of the cavity structure is as follows: the angle between the first guide plate and the inner wall of the wall body of the first guide plate 105 is 45 degrees, and the first guide plate is obliquely arranged on the inner wall of the cavity structure, so that the flow rate and the speed of hot air entering the air distribution pipe body are basically not affected, and through the arrangement mode, the applicant tests show that the average air speed is increased by 0.6m/s, the CPK is increased by 0.39, and the standard deviation is reduced by 0.497. Further, the adjacent first air deflectors 105 are arranged in parallel, and the distance between the adjacent first air deflectors can be 5-10cm, so that the component of hot air flow in the vertical direction can be consistent.
The second guide plates 104 are a plurality of straight plates and are fixed on the periphery of the air distribution pipe body by welding and riveting, the second guide plates 104 are perpendicular to the periphery of the air distribution pipe body 10, and the adjacent second guide plates 104 are arranged in parallel; in order to save manufacturing cost, the width of each row of the first ventilation holes 103 occupying the air distribution pipe body 10 can be measured in advance, so that the width of the second guide plate 104 is determined, the distance between the blocking pieces is preferably 7cm-10cm, according to measurement and calculation, the distance between the air distribution pipe body 10 and a conveying net belt is 12cm, the height range of the second guide plate 104 is 6cm-9cm in consideration of safety, and the second guide plate 104 and a tree hole net belt are prevented from being scraped to damage equipment. Through the arrangement of the second guide plate 104, the hot air flow is ensured to be vertical to the axis of the air pipe (the air direction is vertical upwards) upwards from the first ventilation opening as much as possible to dry the materials on the conveying net belt, the heat is prevented from being dissipated towards other directions, the energy consumption is reduced, and the drying efficiency is also improved.
Comparative example 1
As shown in fig. 3, the difference from the embodiment is that only one first flow guide plate 105 is fixed on the inner wall of the cavity structure of the air distribution pipe body 10 near the air outlet, and the rest is the same as that in embodiment 1.
According to the test of the applicant, a wind speed diagram measured at the fixed point of each wind opening in the embodiment 1 shown in FIG. 4, a line drawing of the wind speed measured at the fixed point of each wind opening in the sectional view of the wind distribution device in the embodiment 1 shown in FIG. 5, and a wind speed diagram measured at the fixed point of each wind opening in the comparative example 1 shown in FIG. 6 are obtained, wherein the experimental data are all obtained by testing an anemometer model F L UKE 925.
In conclusion, the wind speed tested by the wind distribution device in the embodiment 1 is more balanced than that tested by the comparative example 1, so that the materials on the conveying belt can be uniformly heated and dried, and the situation that the local parts are burnt or are locally wet can not occur.
After improvement the applicant further tested: the integral wind speed is improved by 0.6m/s relative to the original device, and the CPK is improved by 0.39; after improvement, under the condition that the material thickness of the conveying mesh belt is consistent, the side moisture difference of the material is reduced from 3.9 percent to 1.87 percent; under the sensory evaluation standard of enterprises, the uniformity of the crispness is improved by 0.24 minute, and the uniformity of the kernel fragrance is improved by 0.17 minute; the pre-improvement capacity is 26.8515 t/day, the processing cost is 737.48 yuan/t, the current capacity is improved to 28.36 t/day, the processing cost is 698.25 yuan/t, and the ton cost is reduced by 39.23 yuan/t.
Example 2
A drying device comprises a conveying mesh belt, a heater, a hot air channel and a circulating fan.
The conveying mesh belt is arranged on the ground and used for bearing and/or transferring materials, the bottom wall surface of the drying chamber indicated on the ground in the embodiment is a conveying mesh belt made of metal, the synchronous belt of the belt conveyor is supported and tensioned by a carrier roller or a roller, a driving device drives the carrier roller or the roller to rotate so as to drive the conveying mesh belt to move, the conveying mesh belt is taken as a bearing member, the materials are continuously conveyed and enter a drying greenhouse box body for drying, and a plurality of air holes are formed in the conveying mesh belt and facilitate the passing of heated air flow. And the turning device is arranged above the conveying mesh belt, and one end of the turning device is fixed with the side wall of the hot air channel through a wall rib plate, and the other end of the turning device is fixed with the vertical wall of the greenhouse through a wall rib plate.
And the heater is arranged on one side of the conveying mesh belt and used for heating air, and the heater is connected with the hot air channel through a heat pipe valve.
The air distribution device of embodiment 1, which is installed below a conveying mesh belt, wherein the input end of the hot air channel is connected with the output end of the hot air channel.
And the circulating fan is arranged above the conveying mesh belt and comprises a circulating fan impeller, a circulating motor and a synchronous belt, the circulating fan impeller is arranged in the shell, the circulating motor is connected with the circulating fan impeller through the synchronous belt, and the circulating fan impeller is driven to send the air subjected to heat dissipation into the inlet of the heater.
This embodiment is optional, the hydrofuge fan is installed to circulating fan's one side, the outlet connection of hydrofuge fan and hydrofuge pipeline. It should be noted that, the drying apparatus is mature in the prior art, and is not described in detail.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. An air distribution device, comprising:
the air distribution pipe body is of a cavity structure, one end of the air distribution pipe body is provided with an air inlet, the other end of the air distribution pipe body is provided with an air outlet, and the air distribution pipe body is provided with a plurality of first ventilation openings; and
the diversion structure comprises a plurality of first diversion plates arranged in the cavity structure, the first diversion plates are highly extended, the length direction of the cavity structure is sequentially arranged from low to high, and the first diversion plates are close to the air inlets and are highly lower than the first diversion plates close to the air outlets.
2. The wind distribution device of claim 1, wherein the first deflectors are parallel to each other.
3. The wind distribution device of claim 2, wherein the first baffle is arc-shaped, the cross-section of the cavity structure is circular, and wherein the first baffle is obliquely arranged on the inner wall of the cavity structure.
4. The air distribution device of claim 3, wherein an included angle between the first air deflector and a horizontal plane in which the length direction of the cavity structure is located is 40-50 degrees.
5. The air distribution device according to any one of claims 1 to 4, wherein a second air vent is arranged at one end of the air distribution pipe body close to the air inlet, the second air vent is long-strip-shaped, and the area of the second air vent is larger than that of the first air vent.
6. The air distribution device of claim 5, wherein the second air vents are in multiple groups and are arranged in parallel with each other.
7. The air distribution device according to any one of claims 1 to 4, wherein the flow guide structure further comprises a plurality of second flow guide plates arranged on the periphery of the air distribution pipe body.
8. The air distribution device of claim 7, wherein the second deflectors are perpendicular to the axis of the air distribution pipe body, and the second deflectors are arranged in parallel with each other.
9. Drying apparatus, characterised in that it comprises a wind-distribution device according to any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921996808.4U CN210980739U (en) | 2019-11-18 | 2019-11-18 | Air distribution device and drying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921996808.4U CN210980739U (en) | 2019-11-18 | 2019-11-18 | Air distribution device and drying equipment |
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| Publication Number | Publication Date |
|---|---|
| CN210980739U true CN210980739U (en) | 2020-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921996808.4U Active CN210980739U (en) | 2019-11-18 | 2019-11-18 | Air distribution device and drying equipment |
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| CN (1) | CN210980739U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113587621A (en) * | 2021-07-28 | 2021-11-02 | 中建环能科技股份有限公司 | Gas guide piece, air distribution assembly, mesh belt dryer and drying system |
-
2019
- 2019-11-18 CN CN201921996808.4U patent/CN210980739U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113587621A (en) * | 2021-07-28 | 2021-11-02 | 中建环能科技股份有限公司 | Gas guide piece, air distribution assembly, mesh belt dryer and drying system |
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