CN220871376U - Modified starch drying device - Google Patents
Modified starch drying device Download PDFInfo
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- CN220871376U CN220871376U CN202322470441.5U CN202322470441U CN220871376U CN 220871376 U CN220871376 U CN 220871376U CN 202322470441 U CN202322470441 U CN 202322470441U CN 220871376 U CN220871376 U CN 220871376U
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- air
- drying cylinder
- air inlet
- inlet pipe
- modified starch
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- 238000001035 drying Methods 0.000 title claims abstract description 112
- 229920000881 Modified starch Polymers 0.000 title claims abstract description 39
- 239000004368 Modified starch Substances 0.000 title claims abstract description 39
- 235000019426 modified starch Nutrition 0.000 title claims abstract description 39
- 230000001105 regulatory effect Effects 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims 1
- 229920002472 Starch Polymers 0.000 abstract description 32
- 235000019698 starch Nutrition 0.000 abstract description 32
- 239000008107 starch Substances 0.000 abstract description 32
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 17
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 17
- 241001330002 Bambuseae Species 0.000 abstract description 17
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 17
- 239000011425 bamboo Substances 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 11
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
Abstract
The utility model provides a modified starch drying device, including the body frame and the dry section of thick bamboo that sets up on it, be equipped with the feed inlet on the dry section of thick bamboo, and top one side intercommunication has cyclone, the bottom of dry section of thick bamboo is connected with the air-supply line, and be connected with hot-blast mechanism through the air-supply line, the one end that air-supply line and dry section of thick bamboo are connected upwards stretches into in the dry section of thick bamboo, and detain the wind lid that is equipped with the external diameter and is greater than the air-supply line external diameter, the wind lid upper end is sealed, and there is the air-out clearance between air-supply line tip and the wind lid upper end, be equipped with the spiral leaf between air-supply line upper end outer lane and the wind lid inner circle, can form a spiral wind channel between the air-supply line outside and the wind lid inboard through the spiral leaf, the waiting that the dry starch that the inlet pipe added can fall to dry section of thick bamboo bottom, the hot-blast that the air inlet pipe got into can be the heliciform blows out, and then drive starch can be the heliciform and fly in the dry section of thick bamboo, the detention time of thick bamboo has been prolonged starch in the dry section of thick bamboo, the effect of thick bamboo has increased starch and starch in the drying efficiency.
Description
Technical Field
The utility model relates to the technical field of drying devices, in particular to a modified starch drying device.
Background
The starch is generally dried by adopting air flow drying, and the air flow dryer is characterized by high heat transfer coefficient, large heat transfer area, short drying time and the like by suspending wet starch in the air flow by utilizing high-speed flowing hot air flow and drying the wet starch in the air flow flowing process.
The starch is suspended and separated under the action of heat and air flow, but the starch is directly rushed into the cyclone separator under the action of air flow, so that the drying efficiency is lower in the flowing process, and the starch with higher humidity can be dried even in a plurality of times.
Disclosure of utility model
In order to solve the technical problems in the background technology, the utility model provides a modified starch drying device.
The technical scheme of the utility model is as follows:
the utility model provides a modified starch drying device, includes the drying cylinder that main frame and on set up, be equipped with the feed inlet on the drying cylinder, and top one side intercommunication has cyclone, the bottom of drying cylinder is connected with the air-supply line, and is connected with hot-blast mechanism through the air-supply line, treats dry starch and can transport to the drying cylinder in through the feed inlet, and hot-blast mechanism can blow hot-blast through the air-supply line to the drying cylinder in to dry the starch raw materials in the drying cylinder, the starch after the drying can carry cyclone along with the hot air current, accomplishes the separation work of starch.
As the core technical conception of the utility model, one end of the air inlet pipe connected with the drying cylinder extends upwards into the drying cylinder, an air cover with the outer diameter larger than the outer diameter of the air inlet pipe is buckled, the upper end of the air cover is sealed, an air outlet gap exists between the end part of the air inlet pipe and the upper end of the air cover, a spiral blade is further arranged between the outer ring of the upper end of the air inlet pipe and the inner ring of the air cover, a spiral air flue is formed between the outer side of the air inlet pipe and the inner side of the air cover through the spiral blade, starch to be dried added by the feeding pipe can fall to the bottom of the drying cylinder, the starch can not easily enter the air inlet pipe under the action of the air cover and the spiral blade, and hot air entering the air inlet pipe can be blown out in a spiral manner through the air outlet gap and the spiral air flue, so that the starch can be driven to fly in a spiral manner in the drying cylinder, the detention time of the starch in the drying cylinder is prolonged, the scattering effect of the starch in the drying cylinder is increased, and the drying efficiency of the starch in the drying cylinder is remarkably improved.
In the modified starch drying device, as a preferred embodiment, the number of turns of the spiral blade is not less than 2, so that the hot air can be smoothly blown out in a spiral shape under the action of the spiral air duct.
As a further preferable mode, the pitch of the spiral blade is not larger than 7/10 of the diameter of the air inlet pipe, so that when hot air flows out of the spiral air duct, the high initial speed is ensured, and the starch can be smoothly scattered in a spiral shape under the action of the hot air.
It should be noted that the distance between the outer ring of the upper end of the air inlet pipe and the inner ring of the air cover is 7-13cm, so that starch is prevented from leaking into the spiral air duct from the spiral air duct and the air supply gap when the hot air supply is stopped.
According to the modified starch drying device, as for the fixing mode of the air inlet pipe, the fixing plate is arranged on the outer ring of the air inlet pipe, which is close to one end of the air cover, the bottom end of the inside of the drying cylinder is provided with the mounting groove matched with the fixing plate, the air inlet pipe is fixed at the bottom of the drying cylinder through the matching of the fixing plate and the mounting groove, and the sealing performance of the drying cylinder at the position connected with the air inlet pipe is effectively guaranteed due to the arrangement of the fixing plate.
Preferably, the fixing plate is of a non-circular plate structure, so that the air inlet pipe and the drying cylinder are prevented from rotating at the connecting position, and the air inlet pipe is ensured to be connected more firmly.
According to the modified starch drying device, the lower end of the drying cylinder is of the inverted cone-shaped structure, so that starch can be more easily scattered in a spiral shape under the action of hot air, and the drying effect is ensured.
The modified starch drying device is characterized in that the upper end of the drying cylinder is further provided with the air outlet, the position, close to the air inlet and the air outlet, in the drying cylinder is provided with the filter cloth, the upper side of the air outlet is further connected with the pressure regulating mechanism, the drying cylinder is communicated with the cyclone separator through the communicating pipe, the communicating pipe is provided with the switch valve, and the arrangement mode is such that when the humidity of starch to be dried is high, the switch valve can be closed, and starch can stay in the drying cylinder for a long time through the pressure regulating mechanism, so that the drying effect of the drying device is further ensured.
The structure of the pressure regulating mechanism comprises a suction fan connected with the air outlet, a protective cover is covered outside the suction fan, and the pressure in the drying cylinder can be regulated by the suction force of the suction fan.
Preferably, the upper end of the air outlet is connected with the suction fan through a three-way valve, so that people can select the drying cylinder to be directly communicated with the outside as required, or the drying cylinder is communicated with the outside through the suction fan, and the practicability of the device is improved.
The utility model has the beneficial effects that: the utility model relates to a modified starch drying device, wherein a wind cover is matched with the arrangement of a spiral blade between the inner side of the wind cover and the outer ring of an air inlet pipe, so that the spiral blade can form a spiral air duct between the outer side of the air inlet pipe and the inner side of the wind cover, starch to be dried added by a feeding pipe can fall to the bottom of a drying cylinder, the starch can not easily enter the air inlet pipe under the action of the wind cover and the spiral blade, hot air entering the air inlet pipe can be blown out in a spiral shape through the spiral air duct, further, the starch can be driven to fly in a spiral shape in the drying cylinder, the retention time of the starch in the drying cylinder is prolonged, the scattering effect of the starch in the drying cylinder is increased, and the drying efficiency of the starch in the drying cylinder is remarkably improved.
Drawings
The aspects and advantages of the present utility model will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model.
In the drawings:
FIG. 1 is a schematic diagram of a drying apparatus according to an embodiment;
FIG. 2 is a cross-sectional view of the connection location of the air intake mechanism and the drying cylinder in the embodiment;
Fig. 3 is a schematic structural diagram of a connection end of the air inlet mechanism and the drying cylinder (after the air cover is hidden) in the embodiment;
The components represented by the reference numerals in the figures are:
1. A main frame; 2. a drying cylinder; 3. an air inlet mechanism; 31. an air inlet pipe; 32. a wind cover; 33. spiral leaves; 34. a fixing plate; 4. a hot air mechanism; 5. a feed pipe; 6. a pressure regulating mechanism; 7. a cyclone separator; 8. and communicating pipe.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings.
Examples
The embodiment provides a modified starch drying device, referring to fig. 1, comprising a main frame 1, wherein the main frame 1 comprises a first supporting frame, a drying cylinder 2 is vertically arranged on the first supporting frame, a feed inlet is arranged on the drying cylinder 2, and a feed pipe 5 is connected through the feed inlet; the main frame 1 further comprises a second support frame arranged on one side of the first support frame, a cyclone separator 7 is arranged on the second support frame, and one side of the top of the drying cylinder 2 is communicated with the cyclone separator 7; the bottom of the drying cylinder 2 is connected with an air inlet mechanism 3, and is connected with a hot air mechanism 4 through the air inlet mechanism 3, modified starch to be dried can be transported into the drying cylinder 2 through a feeding pipe 5 connected to a feeding port, and the hot air mechanism 4 can blow hot air into the drying cylinder 2 through the air inlet mechanism 3 and dry modified starch raw materials in the drying cylinder 2, and the dried modified starch can be conveyed to a cyclone separator 7 along with hot air flow to finish the separation work of the dried modified starch.
The hot air mechanism 4 specifically comprises a blower and a heater connected with the blower, the air inlet mechanism 3 is connected with the heater, and air flow blown out by the blower can be conveyed to the drying cylinder 2 by the air inlet mechanism 3 after being heated by the heater.
In this embodiment, referring to fig. 2 and 3, as a core technical concept of the present utility model, the air inlet mechanism 3 includes an air inlet pipe 31, one end of which is connected to the heater, the other end is connected to the lower end of the drying cylinder 2, and one end of the air inlet pipe 31 connected to the drying cylinder 2 extends upward into the drying cylinder 2; the one end that the air-supply line 31 is located in the dry section of thick bamboo 2 is detained and is equipped with the wind lid 32 that the external diameter is greater than the air-supply line 31 external diameter, the wind lid 32 is the sealed cylindrical structure in upper end, and exists the air-out clearance between air-supply line 31 tip and the wind lid 32 upper end, still be equipped with helical blade 33 between air-supply line 31 upper end outer lane and the wind lid 32 inner circle, and can form a spiral wind channel between air-supply line 31 outside and wind lid 32 inboard through helical blade 33, the modified starch that waits that inlet pipe 5 added can fall dry section of thick bamboo 2 bottom, and can be difficult to get into in the air-supply line 31 under the effect of wind lid 32 and helical blade 33, the hot-blast that air-supply line 31 got into can be the spiral through air-out clearance and helical wind channel, and then drive modified starch and can be spiral scattered in dry section of thick bamboo 2, prolonged modified starch in dry section of thick bamboo 2's the detention time, modified starch in dry section of thick bamboo 2's the effect of thick bamboo has been increased, modified starch drying efficiency in dry section of thick bamboo 2 is showing.
As a preferred embodiment, the number of turns of the spiral blade 33 is not less than 2, preferably two, so as to ensure that the hot air can be smoothly blown out in a spiral shape through the action of the spiral duct.
As a further preferable aspect, the pitch of the spiral blade 33 is not greater than 7/10 of the diameter of the air inlet pipe 31, so as to ensure that the primary speed is high when the hot air flows out from the spiral air duct, so as to ensure that the modified starch can smoothly fly in a spiral shape under the action of the hot air.
It should be noted that the distance between the outer ring of the upper end of the air inlet pipe 31 and the inner ring of the air cover 32 is 7-13cm, preferably 8.5cm, that is, the air cover 32 is coaxial with the end of the air inlet pipe 31 where the air cover 32 is arranged, and the difference between the inner diameter of the air cover 32 and the outer diameter of the end of the air inlet pipe 31 where the air cover 32 is arranged is 14-26cm, preferably 17cm, so as to prevent the modified starch from leaking into the spiral air duct from the spiral air duct and the air supply gap when the hot air supply is stopped.
In terms of the fixing mode of the air inlet pipe 31, referring to fig. 2, a fixing plate 34 is arranged on the outer ring of the air inlet pipe 31 near one end of the air cover 32, an installation groove matched with the fixing plate 34 is formed in the bottom end of the inside of the drying cylinder 2, the air inlet pipe 31 is fixed to the bottom of the drying cylinder 2 through the matching of the fixing plate 34 and the installation groove, and the sealing performance of the drying cylinder 2 at the position connected with the air inlet pipe 31 is effectively ensured due to the arrangement of the fixing plate 34.
Preferably, the fixing plate 34 is a non-circular plate structure, so as to prevent the air inlet pipe 31 from rotating at the connection position with the drying drum 2, and ensure that the air inlet pipe 31 is more firmly connected.
Specifically speaking, the drying cylinder 2 bottom is equipped with the pipe socket, the mounting groove sets up around the upper end outer lane of pipe socket, and when the one end that makes air-supply line 31 be located drying cylinder 2 was vertical state, fixed plate 34 can imbed the laminating to the mounting groove to this is fixed firm in guaranteeing air-supply line 31, can also guarantee the leakproofness of pipe socket position.
Still preferably, the upper portion of the drying cylinder 2 is a cylindrical structure, and the lower end is an inverted cone structure, so that the modified starch can be more easily scattered in a spiral shape under the action of hot air, and the drying effect is ensured.
In this embodiment, drying cylinder 2 upper end middle part still is equipped with the air outlet, and the position that is close to the air inlet in the drying cylinder 2 is equipped with the filter cloth, the air outlet upside still is connected with pressure regulating mechanism 6, drying cylinder 2 and cyclone 7 pass through communicating pipe 8 intercommunication, be equipped with the ooff valve on communicating pipe 8, this kind of setting method for wait to dry when modified starch humidity is great, can be through closing the ooff valve, and under pressure regulating mechanism 6 effect, make modified starch can be detained in drying cylinder 2 for a long time, further guaranteed drying device's drying effect.
Regarding the structure of the pressure regulating mechanism 6, the pressure regulating mechanism comprises a suction fan connected with an air outlet, a protective cover is arranged on the outer cover of the suction fan, and the pressure in the drying cylinder 2 can be regulated by the suction force of the suction fan, so that the air inlet effect of hot air is ensured.
Preferably, the upper end of the air outlet is connected with the suction fan through a three-way valve, specifically, the three-way valve comprises an A port, a B port and a C port, wherein the A port is connected with the air outlet, a control valve is arranged between the A port and the air outlet, and the communication state of the air outlet and the three-way valve can be controlled through the control valve; the port B of the three-way valve is connected with the suction fan, the port C is directly communicated with the outside, and the port A of the three-way valve can be communicated with the port B or the port C as required; on the basis of the structure, when the modified starch is normal in humidity, the control valve can be controlled to be closed, the switch valve is opened, and the modified starch can be directly conveyed into the cyclone separator 7 under the drying action of hot air; when modified starch humidity is great, can control and control valve and open, the ooff valve is closed, and three-way valve's A mouth and C mouth intercommunication, the process of airing exhaust under the completion nature state through C mouth, after using a period of time or because of when drying cylinder 2 internal pressure is great, can control three-way valve's A mouth and B mouth intercommunication, and then accomplish the pressure regulating work in the drying cylinder 2 through the suction fan is supplementary, this kind of setting mode makes people can select drying cylinder 2 and external direct intercommunication as required, or through suction fan and external intercommunication, has increased the practicality of device.
Claims (10)
1. The modified starch drying device is characterized by comprising a main frame (1) and a drying cylinder (2) arranged on the main frame, wherein a feed inlet is formed in the drying cylinder (2), a cyclone separator (7) is communicated with one side of the top of the drying cylinder, an air inlet pipe (31) is connected to the bottom of the drying cylinder (2), and a hot air mechanism (4) is connected to the drying cylinder through the air inlet pipe (31);
One end of the air inlet pipe (31) connected with the drying cylinder (2) extends into the drying cylinder (2) upwards, an air cover (32) with the outer diameter larger than that of the air inlet pipe (31) is buckled, the upper end of the air cover (32) is sealed, and an air outlet gap exists between the end part of the air inlet pipe (31) and the upper end of the air cover (32);
spiral blades (33) are arranged between the outer ring of the upper end of the air inlet pipe (31) and the inner ring of the air cover (32).
2. A modified starch drying apparatus as claimed in claim 1, wherein the number of turns of the screw (33) is not less than 2.
3. A modified starch drying apparatus as claimed in claim 2, wherein the pitch of the spiral blades (33) is not greater than 7/10 of the diameter of the air inlet duct (31).
4. A modified starch drying apparatus as claimed in claim 3, wherein the distance between the outer ring of the upper end of the air inlet pipe (31) and the inner ring of the air cover (32) is 7-13cm.
5. A modified starch drying device according to claim 1, wherein an outer ring of the air inlet pipe (31) near one end of the air cover (32) is provided with a fixing plate (34);
The bottom inside of the drying cylinder (2) is provided with an installation groove matched with the fixed plate (34), and the air inlet pipe (31) is fixed at the bottom of the drying cylinder (2) through the matching of the fixed plate (34) and the installation groove.
6. A modified starch drying apparatus as claimed in claim 5, wherein the fixing plate (34) is of non-circular plate construction.
7. A modified starch drying apparatus as claimed in any one of claims 1 to 6, wherein the lower end of the drying cylinder (2) is of inverted conical configuration.
8. The modified starch drying device according to any one of claims 1-6, wherein an air outlet is further formed in the upper end of the drying cylinder (2), filter cloth is arranged in the drying cylinder (2) at a position close to the air inlet and outlet, and a pressure regulating mechanism (6) is further connected to the upper side of the air outlet;
The drying cylinder (2) is communicated with the cyclone separator (7) through a communicating pipe (8), and a switch valve is arranged on the communicating pipe (8).
9. A modified starch drying apparatus as claimed in claim 8, wherein the pressure regulating means (6) comprises a suction fan connected to the air outlet, the suction fan being externally covered with a protective cover.
10. The modified starch drying device as claimed in claim 9, wherein the upper end of the air outlet is connected to the suction fan via a three-way valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322470441.5U CN220871376U (en) | 2023-09-12 | 2023-09-12 | Modified starch drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322470441.5U CN220871376U (en) | 2023-09-12 | 2023-09-12 | Modified starch drying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220871376U true CN220871376U (en) | 2024-04-30 |
Family
ID=90806083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322470441.5U Active CN220871376U (en) | 2023-09-12 | 2023-09-12 | Modified starch drying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220871376U (en) |
-
2023
- 2023-09-12 CN CN202322470441.5U patent/CN220871376U/en active Active
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