CN115790123A - Mixed flow type hot air complete recycling energy-saving drying tower - Google Patents
Mixed flow type hot air complete recycling energy-saving drying tower Download PDFInfo
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- CN115790123A CN115790123A CN202211540571.5A CN202211540571A CN115790123A CN 115790123 A CN115790123 A CN 115790123A CN 202211540571 A CN202211540571 A CN 202211540571A CN 115790123 A CN115790123 A CN 115790123A
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- 238000001035 drying Methods 0.000 title claims abstract description 74
- 238000004064 recycling Methods 0.000 title claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 66
- 238000007599 discharging Methods 0.000 claims abstract description 22
- 238000005496 tempering Methods 0.000 claims description 15
- 238000009423 ventilation Methods 0.000 claims 1
- 239000002699 waste material Substances 0.000 abstract description 5
- 238000010981 drying operation Methods 0.000 abstract description 3
- 235000013339 cereals Nutrition 0.000 description 30
- 238000000034 method Methods 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000576819 Chionanthus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/85—Food storage or conservation, e.g. cooling or drying
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Abstract
The invention discloses a mixed-flow type hot air full recycling energy-saving drying tower, which comprises: a feeding bin; the discharging bin is arranged below the feeding bin; the plurality of air inlet angle boxes are arranged between the feeding bin and the discharging bin from top to bottom; and the air outlet angle boxes are arranged below the air inlet angle boxes. The air inlet is connected with the air inlet angle box; the air outlet is connected with the air outlet corner box; the air duct is connected between the air outlet and the air inlet; horizontal air inlet, vertical air outlet. According to the drying tower, air enters from the air inlet angle box connected with the discharging bin, is sequentially heated and blown along the opposite direction of material conveying and penetrates through the materials for drying operation, the heat reduced after the materials are dried is supplied and blown into the previous air inlet angle box through the fan, then the materials penetrate through the materials for drying operation, and the like, hot air after moisture is collected for multiple times is discharged from the air outlet angle box close to the feeding bin, the previous air inlet angle box fully utilizes the heat discharged by the next air outlet angle box, and waste of heat energy is avoided.
Description
Technical Field
The invention relates to the technical field of environmental protection and energy conservation, in particular to a mixed flow type hot air complete recycling energy-saving drying tower.
Background
Because the moisture contained in the grains is directly related to the influence on the storage, transportation and processing processes of the grains, the grains need to reach the moisture meeting the requirements, particularly, the newly harvested grains have high moisture content and are easy to mildew, and the grains need to be dried and subjected to precipitation treatment before storage and long-distance transportation, so that grain drying equipment is more and more widely used. However, grain drying equipment in the market at present, namely a grain drying tower, is important grain storage and transportation equipment and is used for drying wet grains. The grain drying tower is generally composed of a grain storage section, a drying section, a cooling section and a grain discharge section, hot air in the same flow direction as grain is firstly adopted in the drying section for concurrent drying, and then hot air in the opposite flow direction of grain is adopted for countercurrent drying, so that the drying efficiency is low, and the quality problem of grain is not greatly improved; and the hot air generated in the drying tower of the existing grain drying equipment is generally not fully utilized, which causes the waste of heat energy.
Chinese patent CN214620532U discloses a mixed flow type grain dryer, which comprises a frame, a grain inlet is arranged at the top of the cavity, and a grain outlet is arranged at the bottom of the cavity; the grain circulating device comprises a lifting machine, a first conveying mechanism and a second conveying mechanism, wherein the first conveying mechanism is arranged at the top of the rack and used for conveying grains to the grain inlet, and the second conveying mechanism is arranged at the bottom of the cavity and used for conveying grains to the grain outlet; the drying layer is arranged in the cavity, a plurality of first air inlet ducts and a plurality of first air outlet ducts are arranged in the drying layer, the first air inlet ducts are used for introducing hot air, and the first air outlet ducts are used for discharging hot air; the heating layer is arranged in the cavity, communicated with the drying layer and arranged above the drying layer; the heating layer is internally and transversely provided with a plurality of second air inlet ducts, each second air inlet duct is divided into a plurality of groups, each group of second air inlet ducts are arranged in a layered mode, the second air inlet ducts in each group are arranged longitudinally at intervals, the bottom surfaces of the second air inlet ducts are arranged in an open mode, one ends of the second air inlet ducts are fixed in the cavities, and the other ends of the second air inlet ducts extend out of the cavities and are used for accessing hot air; wherein vertically be provided with a plurality of second exhaust flues in the heating layer, each second exhaust flue divides into the multiunit, and each group's second exhaust flue sets up between adjacent each group's second air inlet duct, and the second exhaust flue in every group is along transverse arrangement with spacing each other, and the bottom surface of second exhaust flue is the opening setting, and outside the cavity was stretched out to at least one end of second exhaust flue for the discharge is hot-blast. This technique passes through hot-blast through the air intake device input, realizes the circulation stoving of cereal through cereal circulating device, improves the stoving quality, nevertheless this technique is hot-blast directly to be discharged from the exhaust airway after drying cereal, and hot-blast has only utilized once to lead to the waste of heat energy.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the mixed-flow type hot air full-recycling energy-saving drying tower, a plurality of drying chambers are arranged along the material conveying direction, hot air passes through the drying chambers along the opposite direction of the material conveying direction, moisture in the material in the drying chambers is taken away in sequence, finally the hot air with the moisture is discharged from the drying chambers close to the material input end, each drying chamber does not need to discharge the hot air independently, the hot air is recycled for multiple times, the heat energy of each drying section is effectively utilized, and the energy is saved.
The object of the invention is achieved in the following way: the energy-conserving drying tower of hot-blast complete recycle of mixed flow includes:
a feeding bin;
the discharging bin is arranged below the feeding bin;
the air inlet angle boxes are arranged between the feeding bin and the discharging bin from top to bottom;
a plurality of air outlet angle box is located from last to down between feeding storehouse and the play feed bin, locates the below of air inlet angle box.
The air inlet is connected with one end of the air inlet angle box, and the other end of the air inlet angle box is of a closed structure;
the air outlet is connected with one end of the air outlet angle box, and the other end of the air outlet angle box is of a closed structure;
the air duct is connected between the air outlet and the air inlet;
the fan is connected with the air duct and is used for introducing air in the air inlet corner box close to the discharging bin into the air outlet corner box close to one end of the feeding bin;
the heater is arranged in the air duct and is used for complementing heat lost by the dried materials;
the air outlet and the air inlet are positioned at the adjacent sides, so that air is transversely fed and longitudinally discharged.
According to the drying tower, air enters from the air inlet of the air inlet angle box connected with the discharging bin, the materials are sequentially heated from bottom to top along the opposite direction of falling of the materials, the materials enter the upper air inlet angle box after the heat quantity of the dried materials is reduced, the materials at the upper air inlet angle box are dried and dehumidified, each air inlet angle box does not need to independently exhaust hot air, the hot air after moisture is collected is discharged from the air outlet of the air outlet angle box connected with the feeding bin, and the upper air inlet angle box fully utilizes the heat quantity of the air in the lower air outlet angle box, so that the waste of heat energy is avoided.
As an alternative of the technical scheme of the invention, the air outlet angle box and the air inlet angle box are vertically arranged
The material is dispersed more uniformly, the contact with wind is convenient, and the drying efficiency is improved.
As an alternative scheme of the technical scheme of the invention, the air inlet angle box is provided with a plurality of air-permeable through holes, so that air is conveniently conveyed, the air is dispersed more uniformly, the air is conveniently and fully contacted with materials, and the drying efficiency is improved.
As an alternative scheme of the technical scheme of the invention, the air inlet and the air outlet are both in a pentagonal structure, and the lower ends of the air inlet angle box and the air outlet angle box, which are matched with the air inlet and the air outlet, are not sealed in a pentagonal box structure, so that the materials can be dispersed conveniently, and the air can be discharged from an opening below the angle box more conveniently.
As an alternative scheme of the technical scheme of the invention, the heater is arranged in an air duct of the air inlet, and the air inlet close to the discharge bin is not provided with the heater.
Cool air enters from an air inlet of an air inlet angle box connected with the discharge bin, takes away heat of materials above the air inlet angle box, cools the materials, and after cooling, hot air with high temperature is blown into the previous air inlet angle box by the fan to be heated in a relay manner, and then the next drying operation is carried out.
As an alternative solution of the technical solution of the present invention, the drying tower of the present invention further includes:
the tempering sections are formed between the adjacent air outlet angle boxes and the air inlet angle box above the air outlet angle boxes and cannot ventilate;
and the drying sections are formed between the adjacent air outlet angle boxes and the air inlet angle boxes below the adjacent air outlet angle boxes.
After the material of stoving section is heated and is dried, enter into the tempering section of below, because there is the moisture difference inside and outside the material at the tempering section, the inside moisture of material is to surface diffusion, and moisture diffuses to the surface after, reentrant the stoving section of below, the operation of drying again, and the circulation in proper order prevents that the material that can be fine like this from exploding the waist.
As an alternative of the technical solution of the present invention, the drying tower of the present invention further includes:
a material conveying device connected with the feeding bin and the discharging bin
As an alternative of the technical solution of the present invention, the material conveying device includes:
the discharge end of the hoister is connected with the feeding bin;
and the feed end of the screw conveyor is connected with the discharge bin.
The invention has the beneficial effects that:
(1) According to the cross-flow type hot air full-recycling energy-saving drying tower, air enters from the air inlet of the air inlet angle box connected with the discharge bin, is sequentially heated along the opposite direction of material conveying, and enters the upper air inlet angle box after the heat of the dried material is complemented, so that the material above the upper air inlet angle box is dried and dehumidified;
(2) According to the invention, a heater is not arranged at the air inlet of the drying bin connected with the discharge bin, and cool air enters from the air inlet of the air inlet angle box connected with the discharge bin, so that the heat of the material at the air inlet angle box is taken away, the material is cooled, and meanwhile, the heat of the material at the air inlet angle box is fully utilized;
(3) In the invention, the materials enter from the feeding bin and become drier and drier in the process of being discharged from the discharging bin, namely, the moisture of the materials in each drying bin is less and less, so that a humidity difference is generated between the materials above the adjacent air inlet angle boxes.
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 inventive labor.
FIG. 1 is a schematic structural diagram of an energy-saving drying tower for recycling all mixed-flow hot air in the embodiment of the invention;
FIG. 2 is a schematic structural view of the apparatus of FIG. 1 without the material transfer device;
FIG. 3 is a schematic view of the structure of FIG. 2 without the air duct and the fan;
FIG. 4 is a cross-sectional view of FIG. 2;
FIG. 5 is a partial cross-sectional view of FIG. 2;
FIG. 6 is a schematic view of a single drying chamber and heater;
fig. 7 is a partial sectional view of a single drying compartment.
Reference numerals are as follows:
1-a feeding bin;
2, discharging the material from a bin;
3-an air inlet angle box; 31-a first inlet corner box; 32-a second inlet corner box; 33-a third air inlet angle box; 34-a fourth air inlet angle box; 35-fifth inlet corner box;
4-air outlet angle box; 41-a first air outlet angle box; 42-a second air outlet angle box; 43-a third air outlet corner box; 44-a fourth air outlet angle box; 45-fifth air outlet angle box;
5-air inlet; 51-a first air inlet; 52-a second air inlet; 53-third air inlet; 54-a fourth air inlet; 55-a fifth air inlet;
6-air outlet; 61-a first air outlet; 62-a second air outlet; 63-a third air outlet; 64-a fourth air outlet; 65-a fifth air outlet;
7-an air duct; 71-a first air duct; 72-a second air duct; 73-a third air duct; 74-a fourth air duct; 75-a fifth air duct; 76-a sixth air duct;
8-a fan; 81-a first fan; 82-a second fan; 83-third fan; 84-a fourth fan; 85-a fifth fan;
9-a heater; 91-a first heater; 92-a second heater; 93-a third heater; 94-a fourth heater;
10-a through hole;
11-slow threo section; 111-first tempering segment; 112-second tempering segment; 113-third tempering segment; 114-fourth chionanthus segment;
12-a drying section; 121-a first drying section; 122-a second drying section; 123-a third drying section; 124-a fourth drying section;
13-a material conveying device; 131-a hoisting machine; 132-screw conveyor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
It should be noted that all directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present invention are only used to explain the relative positional relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In the description of the embodiments, the terms "disposed," "connected," and the like are to be construed broadly unless otherwise explicitly specified or limited. For example, the connection can be fixed, detachable or integrated; can be mechanically or electrically connected; either directly or through an intervening medium, or through internal communication between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The invention discloses a mixed flow type hot air complete recycling energy-saving drying tower, as shown in figures 1, 2, 6 and 7, comprising: the air conditioner comprises a feeding bin 1, a discharging bin 2, a plurality of air inlet angle boxes 3, a plurality of air outlet angle boxes 4, an air inlet 5, an air outlet 6, an air duct 7, a fan 8 and a heater 9. Wherein: the discharging bin 2 is arranged below the feeding bin 1; the air inlet angle boxes 3 are arranged between the feeding bin 1 and the discharging bin 2 from top to bottom; the air outlet angle boxes 4 are arranged between the feeding bin 1 and the discharging bin 2 from top to bottom and are arranged below the air inlet angle boxes 3; the air inlet 5 is connected with one end of the air inlet angle box 3, and the other end of the air inlet angle box 3 is of a closed structure; the air outlet 6 is connected with one end of the air outlet angle box 4, and the other end of the air outlet angle box 4 is of a closed structure; the air duct 7 is connected between the air outlet 6 and the air inlet 5; the fan 8 is connected with the air duct 7, and introduces the air in the air inlet angle box 3 close to the discharge bin 2 into the air outlet angle box 4 close to one end of the feed bin 1; the heater 9 is arranged in the air duct 7 and is used for complementing heat lost by the dried materials; the air outlet 6 and the air inlet 5 are positioned at the adjacent sides, so that air is transversely fed and longitudinally discharged.
Because the moisture content of the grain before drying is about 35% at most, the dried hot air has little moisture at all, and the grain is wasted after being used once. According to the drying tower, air enters from the air inlet of the air inlet angle box connected with the discharging bin, the materials are sequentially heated in the opposite direction of descending of the materials, the materials enter the upper air inlet angle box after the heat reduced by the dried materials is supplied, the materials at the upper air inlet angle box are dried and dehumidified, each air inlet angle box does not need to exhaust hot air independently, the hot air after moisture is collected is discharged from the air outlet of the air outlet angle box connected with the feeding bin, the upper air inlet angle box fully utilizes the heat of the lower air inlet angle box, and waste of heat energy is avoided.
In order to embody the present invention, as shown in fig. 2-5, in this embodiment, the air inlet angle boxes 3 are divided into five groups from top to bottom, and sequentially include a first air inlet angle box 31, a second air inlet angle box 32, a third air inlet angle box 33, a fourth air inlet angle box 34, and a fifth air inlet angle box 35; the first inlet angle box 31, the second inlet angle box 32, the third inlet angle box 33, the fourth inlet angle box 34 and the fifth inlet angle box 35 are respectively connected with a first air inlet 51, a second air inlet 52, a third air inlet 53, a fourth air inlet 54 and a fifth air inlet 55.
The air outlet angle boxes 4 are divided into five groups from top to bottom, namely a first air outlet angle box 41, a second air outlet angle box 42, a third air outlet angle box 43, a fourth air outlet angle box 44 and a fifth air outlet angle box 45; the first air outlet box 41, the second air outlet box 42, the third air outlet box 43, the fourth air outlet box 44 and the fifth air outlet box 45 are respectively connected with the first air outlet 61, the second air outlet 62, the third air outlet 63, the fourth air outlet 64 and the fifth air outlet 65.
The first air outlet 61 is connected through a first air duct 71, and discharges hot air after moisture is collected; the second air outlet 62 is communicated with the first air inlet 51 through a second air duct 72, the third air outlet 63 is communicated with the second air inlet 52 through a third air duct 73, the fourth air outlet 64 is communicated with the third air inlet 53 through a fourth air duct 74, the fifth air outlet 63 is communicated with the fourth air inlet 52 through a fifth air duct 75, and the fifth air inlet 53 is connected through a sixth air duct 76 to introduce air into the fifth air inlet angle box through the sixth air duct 76.
The second air duct 72, the third air duct 73, the fourth air duct 74, the fifth air duct 75 and the sixth air duct 76 are respectively connected with a first fan 81, a second fan 82, a third fan 83, a fourth fan 84 and a fifth fan 85; of course, the first air duct can be connected with a fan according to the requirement of the wind speed.
The first air inlet 51, the second air inlet 52, the third air inlet 53 and the fourth air inlet 54 are respectively provided with a first heater 91, a second heater 92, a third heater 93 and a fourth heater 94; the first heater 91, the second heater 92, the third heater 93 and the fourth heater 94 are respectively arranged in the second air duct 72, the third air duct 73, the fourth air duct 74 and the fifth air duct 75. In this embodiment, the fifth inlet 55 of the fifth inlet box 35 is not provided with a heater. Therefore, cool air enters from the fifth air inlet 55, takes away heat of the material at the fifth air inlet corner box 35, cools the material, and meanwhile, fully utilizes the heat of the material at the fifth air inlet corner box 35 to recover heat energy.
As a preferred scheme of the embodiment of the invention, the air outlet angle boxes 4 and the air inlet angle boxes 3 are vertically arranged, materials enter from the feeding bin 1 and then are dispersed between the air outlet angle boxes 4 and the air inlet angle boxes 3, and the vertically distributed angle boxes enable the materials to be dispersed more uniformly, are convenient to contact with wind, and improve the drying efficiency.
In this embodiment, the air inlet angle box 3 is provided with a plurality of air-permeable through holes 10, so that air can be conveyed conveniently, the air can be dispersed more uniformly, the air can be in full contact with materials conveniently, and the drying efficiency is improved. In addition, air intake 5 and air outlet 6 are the pentagon structure, and the dispersion of the material of being convenient for is not sealed to the pentagon box body structure of air intake box 3 and air outlet box 4 and air intake 4 and 5 assorted lower extremes.
As an alternative scheme of the technical scheme of the invention, the drying tower further comprises a tempering section 11 formed between the adjacent air outlet angle box 4 and the upper air inlet angle box 3, and a drying section 12 formed between the adjacent air outlet angle box 4 and the lower air inlet angle box 3.
In this embodiment, as shown in fig. 4, the tempering sections 11 are, from top to bottom, a first tempering section 111, a second tempering section 112, a third tempering section 113, and a fourth tempering section 114, respectively; the drying section 12 is sequentially provided with a first drying section 121, a second drying section 122, a third drying section 123 and a fourth drying section 123 from top to bottom; the material of stoving section heats the back, enters into the tempering section of below, because there is the moisture difference inside and outside the material at the tempering section, the inside moisture of material is to surface diffusion, and moisture diffusion gets into next stoving section behind the surface and dries once more, circulates in proper order, and the material that prevents that like this can be fine explodes the waist.
As an alternative of the technical solution of the present invention, the material conveying device 13 includes:
the discharge end of the hoister 131 is connected with the feeding bin 1; screw conveyer 132, its feed end with go out feed bin 2 and be connected, screw conveyer 132's discharge end with store the stoving material and send out the bin connection, of course, according to the stoving demand, screw conveyer 132's discharge end also can be connected with the feed end of lifting machine 131, the stoving that circulates once more.
The drying tower provided by the invention has the following working procedures: cool air enters the fifth air inlet corner box 35 from the fifth air inlet 55 through the sixth air duct 76 under the action of the fifth fan 85, takes away heat of materials at the fifth air inlet corner box 35, cools the materials, recovers heat energy, enters the fifth air outlet corner box 45, under the action of the fourth fan 84, hot air supplies heat to the air through the fourth heater 94 at the fourth air inlet 54 through the fifth air duct 75, enters the fourth air inlet corner box 34, dries the materials at the fourth air inlet corner box 34, enters the fourth air outlet corner box 34, forgets to circulate through the through hole 10, dries the materials in the fourth drying region 124, the air enters the fourth air outlet corner box 44, passes through the fourth air duct 74 from the fourth air outlet 64, supplies heat to the third air inlet corner box 33 after the third heater 93 supplies heat, dries the materials in the third drying region 123, circulates sequentially, dries the materials in the second drying region 122 and the first drying region 121, and the hot air collected with moisture is discharged from the first air outlet 61.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein. In addition, the technical solutions between the various embodiments may be combined with each other, but must be based on the realization of those skilled in the art; where combinations of features are mutually inconsistent or impractical, such combinations should not be considered as being absent and not within the scope of the claimed invention.
Claims (8)
1. Hot-blast complete recycle energy-conserving drying tower of mixed flow, its characterized in that includes:
a feeding bin (1);
the discharging bin (2) is arranged below the feeding bin (1);
the air inlet angle boxes (3) are arranged between the feeding bin (1) and the discharging bin (2) from top to bottom;
the air outlet angle boxes (4) are arranged between the feeding bin (1) and the discharging bin (2) from top to bottom and are arranged below the air inlet angle boxes (3);
the air inlet (5) is connected with one end of the air inlet angle box (3), and the other end of the air inlet angle box (3) is of a closed structure;
the air outlet (6) is connected with one end of the air outlet angle box (4), and the other end of the air outlet angle box (4) is of a closed structure;
the air duct (7) is connected between the air outlet (6) and the air inlet (5);
the fan (8) is connected with the air channel (7) and is used for introducing air in the air inlet angle box (3) close to the discharging bin (2) into the air outlet angle box (4) close to one end of the feeding bin (1);
the heater (9) is arranged in the air duct (7) and is used for complementing heat lost by the dried materials;
the air outlet (6) and the air inlet (5) are positioned at the adjacent sides, so that transverse air inlet and longitudinal air outlet are realized.
2. The mixed-flow type hot air complete recycling energy-saving drying tower according to claim 1, characterized in that the air outlet angle boxes (4) and the air inlet angle boxes (3) are arranged in a crossed and vertical manner.
3. The mixed-flow type hot air complete recycling energy-saving drying tower according to claim 2, characterized in that a plurality of ventilation through holes (10) are arranged on the air inlet angle box (3).
4. The mixed-flow hot air recycling energy-saving drying tower of claim 3, wherein the air inlet (5) and the air outlet (6) are both pentagonal structures, and the lower ends of the air inlet corner box (3) and the air outlet corner box (4) are not sealed pentagonal box structures which are matched with the air inlet (5) and the air outlet (6).
5. The mixed-flow hot air recycling energy-saving drying tower of claim 1, wherein the heater (9) is arranged in the air duct (7) of the air inlet (5), and the heater (9) is not arranged at the position close to the air inlet (5) of the discharging bin (2).
6. The mixed-flow type hot air all-recycling energy-saving drying tower as claimed in claim 1, further comprising:
the tempering sections (11) are formed between the adjacent air outlet angle boxes (4) and the air inlet angle boxes (3) above the air outlet angle boxes;
and a plurality of drying sections (12) are formed between the adjacent air outlet angle boxes (4) and the air inlet angle boxes (3) below.
7. The mixed-flow hot air recycling energy-saving drying tower of claim 1, further comprising:
and the material conveying device (13) is connected with the feeding bin (1) and the discharging bin (2).
8. The mixed-flow hot air total recycling energy-saving drying tower of claim 7, wherein the material conveying device (11) comprises:
the discharge end of the hoister (131) is connected with the feeding bin (1);
and the feed end of the screw conveyor (132) is connected with the discharge bin (2).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211163302 | 2022-09-23 | ||
| CN2022111633021 | 2022-09-23 |
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| CN115790123A true CN115790123A (en) | 2023-03-14 |
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