CN216571561U - Spray drying tower and equipment for producing protein powder by using leather waste - Google Patents
Spray drying tower and equipment for producing protein powder by using leather waste Download PDFInfo
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- CN216571561U CN216571561U CN202122409169.0U CN202122409169U CN216571561U CN 216571561 U CN216571561 U CN 216571561U CN 202122409169 U CN202122409169 U CN 202122409169U CN 216571561 U CN216571561 U CN 216571561U
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Abstract
The utility model provides a spray drying tower and equipment for producing protein powder by utilizing leather waste, belonging to the technical field of spray drying equipment, wherein the spray drying tower comprises a tower body, a spray assembly and an air inlet assembly; the side wall of the tower body is provided with a heat insulation layer, and the bottom of the tower body is provided with a first discharge hole; the spraying assembly comprises an atomizing nozzle arranged at the top in the tower body and a liquid inlet pipe communicated with the atomizing nozzle; the air inlet subassembly includes radially locates inside bottom air-supply line of tower body, a plurality of middle air-supply line and locates the outside heating air feed portion of tower body, and bottom air-supply line, a plurality of middle air-supply line and heating air feed portion intercommunication, bottom air-supply line are equipped with the ascending first air intake of opening, and middle air-supply line circumference is equipped with a plurality of second air intakes. The spray drying tower provided by the utility model has the advantages that fog drops are fully contacted with hot air for rapid heat exchange, the evaporation drying speed and effect are improved, and the operation efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of spray drying equipment, and particularly relates to a spray drying tower and equipment for producing protein powder by using leather waste.
Background
With the development of animal husbandry in China, the feed industry urgently needs a large amount of protein feed, the required amount is about thirty million tons per year, the main sources are imported fish meal and domestic fish meal, and on the other hand, wastes such as hoofs, blood, horns, viscera, skin materials and the like after the production of the food processing industry cannot be fully utilized and are wasted.
The spray drying tower is used for drying biological pesticide, medicine and food microbe. Spray drying is a drying process in which a raw material liquid is put into an atomizer to be separated into droplets, and hot air or other gases are directly contacted with the droplets to obtain a product in the shape of powder particles. In the process of producing protein feed by using leather as a raw material, the treated feed liquid needs to be subjected to high-temperature spray evaporation in a high-pressure spray drying tower and dried into protein powder in a very short time, and meanwhile, waste gas is discharged through special tail gas treatment.
The spray sprayed by the existing spray drying device for producing the protein powder by leather can not fully contact with hot air in a large area, so that the drying effect is poor, and the operation efficiency is not high.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a spray drying tower and equipment for producing protein powder by using leather waste, aiming at realizing full contact between spray and hot air, improving the drying effect and improving the operation efficiency.
In order to achieve the purpose, the utility model adopts the technical scheme that: there is provided a spray drying tower comprising:
the device comprises a tower body, wherein a heat insulation layer is arranged on the side wall of the tower body, and a first discharge hole is formed in the bottom of the tower body;
the spraying assembly comprises an atomizing spray head arranged at the inner top of the tower body and a liquid inlet pipe communicated with the atomizing spray head;
the air inlet subassembly, including locating inside bottom air-supply line, a plurality of middle air-supply line of tower body and locating the outside heating air feed portion of tower body, bottom air-supply line, a plurality of in the middle of the air-supply line with heating air feed portion intercommunication, the bottom air-supply line is equipped with the ascending first air intake of opening, middle air-supply line circumference is equipped with a plurality of second air intakes.
In a possible implementation manner, the position of the bottom air inlet pipe, which is close to the first air inlet, and the position of the middle air inlet pipe, which is close to the second air inlet, are both provided with electric heating wires.
In a possible implementation manner, a plurality of disturbance assemblies are radially arranged inside the tower body, and the disturbance assemblies are driven to rotate by a first driving mechanism arranged outside the tower body.
In some embodiments, the disturbing assembly includes a rotating rod rotatably disposed on a side wall of the tower body, and a plurality of rotating blades are fixedly disposed on the rotating rod.
Illustratively, a plurality of the rotating blade is from the lateral wall of tower body to the central radial of tower body along the dwang and lengthens gradually, rotating blade's lateral wall is the arcwall face.
In some embodiments, the first driving mechanism comprises a motor and a chain wheel and chain transmission assembly driven by the motor, and the driving end of the motor and one end of each of the plurality of disturbance assemblies are provided with a chain wheel connected through chain transmission.
In a possible implementation mode, the top end of the tower body is communicated with a filter box, a plurality of filter bags are arranged inside the filter box, an opening of each filter bag is communicated with the inside of the tower body, the filter box is communicated with an exhaust pipe, and the exhaust pipe is arranged on the outer side of each filter bag.
In some embodiments, a vibrating plate is connected to one side of the filter bag, which is far away from the opening of the filter bag, the vibrating plate is connected to the filter box through a flexible member, and a second driving mechanism is further connected to the inside of the filter box and drives the vibrating plate to vibrate through expansion and contraction.
In the embodiment of the application, the tower body is hollow and is a reaction container; the spraying assembly is used for separating the treated feed liquid into fog drops through the liquid inlet pipe and the atomizing nozzle and spraying the fog drops into the tower body; the air inlet assembly is used for conveying hot air to the inside of the tower body, the bottom air inlet pipe is used for ejecting the hot air upwards at the bottom through the upward first air inlet, the middle air inlet pipe is used for ejecting the hot air to multiple directions in the inside of the tower body through the second air inlet, and the bottom air inlet pipe and the middle air inlet pipe jointly act to disturb air flow in the inside of the tower body, so that fog drops are fully contacted with the hot air to be evaporated and dried. Compared with the prior art, the spray drying tower has the advantages that fog drops are in full contact with hot air to exchange heat quickly, the speed and the effect of evaporation drying are improved, and the operation efficiency is improved.
The embodiment of the utility model also provides equipment for producing the protein powder by utilizing the leather waste, which is provided with the spray drying tower.
In a possible implementation manner, the spray drying tower further comprises a cyclone separator and a filter bag device which are communicated in sequence, and the cyclone separator is communicated with the bottom of the spray drying tower.
Because the equipment for producing the protein powder by using the leather waste has the spray drying tower, the equipment for producing the protein powder by using the leather waste has the same technical effect as the spray drying tower.
Drawings
Fig. 1 is a schematic diagram of an internal structure of a spray drying tower according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an external structure of a spray drying tower provided in an embodiment of the present invention;
FIG. 3 is a detailed structural view of part A of FIG. 1;
fig. 4 is a detailed structural view of part B of fig. 1.
Description of reference numerals:
1. a tower body; 2. a spray assembly; 3. an air intake assembly; 4. a perturbation component; 5. a first drive mechanism; 6. a filter box;
11. a thermal insulation layer; 12. a noise reduction layer; 13. a first discharge port; 21. an atomizing spray head; 22. a liquid inlet pipe; 31. a bottom air inlet pipe; 32. a middle air inlet pipe; 33. an electric heating wire; 41. rotating the rod; 42. a rotating blade; 51. a motor; 52. a sprocket chain drive assembly; 53. a shield; 61. a filter bag; 62. an exhaust pipe; 63. a vibrating plate; 64. a flexible member; 65. a second drive mechanism; 66. a second discharge port;
311. a first air inlet; 321. and a second air inlet.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Referring to fig. 1 to 3 together, a spray drying tower according to the present invention will now be described. The spray drying tower comprises a tower body 1, a spray assembly 2 and an air inlet assembly 3; the side wall of the tower body 1 is provided with a heat insulation layer 11, and the bottom of the tower body 1 is provided with a first discharge hole 13; the spraying component 2 comprises an atomizing nozzle 21 arranged at the inner top of the tower body 1 and a liquid inlet pipe 22 communicated with the atomizing nozzle 21; the air inlet component 3 comprises a bottom air inlet pipe 31, a plurality of middle air inlet pipes 32 and a heating air supply part, wherein the bottom air inlet pipe 31 and the plurality of middle air inlet pipes 32 are radially arranged inside the tower body 1, the heating air supply part is arranged outside the tower body 1, the bottom air inlet pipe 31 and the plurality of middle air inlet pipes 32 are communicated with the heating air supply part, a first air inlet 311 with an upward opening is formed in the bottom air inlet pipe 31, and a plurality of second air inlets 321 are circumferentially arranged in the middle air inlet pipes 32.
The tower body 1 provided by the embodiment is hollow and is a reaction container; the spraying component 2 is used for separating the treated feed liquid into fog drops through a liquid inlet pipe 22 and an atomizing nozzle 21 and spraying the fog drops into the tower body 1; the air inlet assembly 3 is used for conveying hot air to the interior of the tower body 1, the bottom air inlet pipe 31 is used for ejecting the hot air upwards at the bottom through an upward first air inlet 311, the middle air inlet pipe 32 is used for ejecting the hot air to multiple directions in the tower body 1 through a second air inlet 321, and the bottom air inlet pipe 31 and the middle air inlet pipe 32 act together to disturb air flow in the tower body 1 so that fog drops are fully contacted with the hot air to be evaporated and dried. Compared with the prior art, the spray drying tower has the advantages that fog drops are in full contact with hot air to exchange heat quickly, the speed and the effect of evaporation drying are improved, and the operation efficiency is improved.
Specifically, air blowing openings are circumferentially formed at the positions of the bottom air inlet pipe 31 and the middle air inlet pipe 32 close to the inner wall of the tower body 1, so as to clean the inner wall of the tower body 1 by blowing air. Optionally, the blowing port is communicated with the heating air supply part through a separate pipeline, and an electric control air valve is arranged on the communicated pipeline to intermittently supply air for blowing. Optionally, the insufflation port is driven to rotate or oscillate by a third drive mechanism.
Specifically, the side wall of the tower body 1 is also provided with a noise reduction layer 12 to reduce the internal noise; the heat insulation layer 11 is used for heat preservation, and prevents that the temperature requirement cannot be met due to heat dissipation.
In some embodiments, the air inlet may be configured as shown in fig. 2. Referring to fig. 2 and 3, the electric heating wires 33 are disposed inside the bottom air inlet pipe 31 near the first air inlet 311 and inside the middle air inlet pipe 32 near the second air inlet 321.
In this embodiment, the electric heating wire 33 is used to further heat the air entering the tower body 1, supplement the heat loss during the air supply process, and maintain the stability of the temperature of the air in the tower. The electric heating wire 33 is arranged in the air inlet pipe, so that the electric heating wire 33 can be prevented from reacting with feed liquid or finished product powder to generate other chemical substances and even explode.
Specifically, the first air inlet 311 and the second air inlet 321 are provided with filter screens, which can sufficiently filter the feed liquid or the powder and prevent the feed liquid or the powder from entering the air inlet pipe.
Specifically, a plurality of temperature sensors are arranged in the tower body 1, when the temperature sensors detect that the temperature is too high, the electric heating wires 33 are powered off to stop heating, and when the temperature is detected to be too low, the electric heating wires 33 are powered on to work.
In some possible implementations, referring to fig. 1, a plurality of disturbing assemblies 4 are radially arranged inside the tower body 1, and the plurality of disturbing assemblies 4 are driven to rotate by a first driving mechanism 5 arranged outside the tower body 1.
In the embodiment, hot air and atomized feed liquid in the tower are fully stirred by the action of the disturbance component 4, so that the aims of fully exchanging heat and fully drying the hot air and the feed liquid are fulfilled.
Optionally, for making the hot-air in the tower body 1 fully flow, the inner wall of tower body 1 is equipped with a plurality of turbulence columns to fully disturb hot-air and atomizing feed liquid.
In some possible implementations, the disturbing component 4 may adopt a structure as shown in fig. 1. Referring to fig. 1, the disturbing assembly 4 includes a rotating rod 41 rotatably disposed on a side wall of the tower body 1, and a plurality of rotating blades 42 are fixedly disposed on the rotating rod 41.
In this embodiment, the rotating blade 42 rotates by driving the rotating lever 41 to rotate, so that the air flow in the tower body 1 is sufficiently disturbed to perform a mixing reaction.
Specifically, both ends of the rotating rod 41 are hinged to the side walls of both radial ends of the tower body 1 through bearings respectively.
In a variant of the disturbance assembly 4, the disturbance assembly 4 comprises a helical blade rotatably disposed in the tower 1, and the airflow is disturbed by the rotation of the helical blade.
In one possible implementation, the rotating blades 42 are configured as shown in FIG. 1. Referring to fig. 1, the plurality of rotating blades 42 are gradually lengthened from the side wall of the tower body 1 to the center of the tower body 1 along the radial direction of the rotating rod 41, and the side wall of the rotating blade 42 is an arc-shaped surface.
In this embodiment, the blades at the two ends of the rotating rod 41 fully consider the cross section of the tower body 1 than the middle blade end, so that the gas at each position of the cross section of the tower body 1 is fully stirred. The rotating vanes 42 are cambered surfaces which enable the airflow to be disturbed sufficiently without the dried powdered product falling off due to excessive disturbance. Specifically, the rotary blade 42 is 304 stainless steel.
In some possible implementations, the first driving mechanism 5 is configured as shown in fig. 1. Referring to fig. 1, the first driving mechanism 5 includes a motor 51 and a sprocket chain transmission assembly 52 driven by the motor 51, gears connected by chain transmission are provided at the driving end of the motor 51 and at one end of the plurality of disturbance assemblies 4, and a shield 53 is provided around the sprocket chain transmission assembly 52.
In this embodiment, the motor 51 is fixed on the support of the fixed tower body 1, the rotating end of the motor 51 is provided with a chain wheel, one end of the rotating rod 41 is provided with a corresponding chain wheel, and the chain wheel drives power through a chain. Through setting up guard shield 53, can separate sprocket chain subassembly and external world, can prevent that external dust etc. from adhering to, influencing transmission efficiency.
In some possible implementations, referring to fig. 1 and 4, the top end of the tower body 1 is communicated with a filter box 6, a plurality of filter bags 61 are arranged inside the filter box 6, openings of the filter bags 61 are communicated with the inside of the tower body 1, the filter box 6 is communicated with an exhaust pipe 62, and the exhaust pipe 62 is arranged outside the filter bags 61. .
In this embodiment, through increasing rose box 6, stay in filter bag 61 through the pipeline at the albumen powder that does not deposit to first discharge gate 13, waste gas is discharged to tail gas processing apparatus by blast pipe 62 and is handled. Increase rose box 6, increased the process of another collection albumen powder to fully collect albumen powder fast, promote collection efficiency.
Specifically, an induced draft fan is arranged between the filter bag 61 and the tower body 1 or on the exhaust pipe 62.
In some possible implementations, referring to fig. 1 and 4, a vibrating plate 63 is connected to a side of the filter bag 61 away from an opening of the filter bag 61, the vibrating plate 63 is connected to the filter box 6 through a flexible member 64, a second driving mechanism 65 is further connected to the inside of the filter box 6, and the second driving mechanism 65 drives the vibrating plate 63 to vibrate through stretching.
In this embodiment, the second driving mechanism 65 drives the vibrating plate 63 connected to the inside of the filter box 6 by the flexible member 64 to shake off the protein powder in the filter bag 61, thereby improving the filtering efficiency.
Specifically, the filter bag 61 below is equipped with second discharge gate 66 to accept the albumen powder that shakes off, be convenient for collect, promote collection efficiency. The flexible member 64 may be a spring or other flexible plastic member
Optionally, a blowback mechanism is disposed around the filter bag 61, and the filter bag 61 is blown by a blowback pipe to blow off the protein powder attached in the filter bag 61.
The embodiment of the utility model also provides equipment for producing the protein powder by utilizing the leather waste, which is provided with the spray drying tower.
Because the equipment for producing the protein powder by using the leather waste has the spray drying tower, the equipment for producing the protein powder by using the leather waste has the same technical effect as the spray drying tower.
The above-mentioned equipment that utilizes leather waste material production albumen powder still includes cyclone and the filter bag ware that communicates in proper order, cyclone and spray drying tower bottom intercommunication.
In this embodiment, through cyclone and filter bag ware's effect to the albumen powder separation, promote collection effect and efficiency.
The above description is intended to be illustrative of the preferred embodiment of the present invention and should not be taken as limiting the utility model, but rather, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.
Claims (10)
1. A spray drying tower, comprising:
the device comprises a tower body, wherein a heat insulation layer is arranged on the side wall of the tower body, and a first discharge hole is formed in the bottom of the tower body;
the spraying assembly comprises an atomizing spray head arranged at the inner top of the tower body and a liquid inlet pipe communicated with the atomizing spray head;
the air inlet subassembly, including locating inside bottom air-supply line, a plurality of middle air-supply line of tower body and locating the outside heating air feed portion of tower body, bottom air-supply line, a plurality of in the middle of the air-supply line with heating air feed portion intercommunication, the bottom air-supply line is equipped with the ascending first air intake of opening, middle air-supply line circumference is equipped with a plurality of second air intakes.
2. The spray drying tower of claim 1, wherein electrical heating wires are disposed within the bottom air inlet duct adjacent to the first air inlet and within the middle air inlet duct adjacent to the second air inlet.
3. A spray drying tower according to claim 1, wherein a plurality of perturbing members are radially arranged inside said tower body, said plurality of perturbing members being driven in rotation by a first drive mechanism arranged outside said tower body.
4. A spray drying tower according to claim 3, wherein the disturbance assembly comprises a rotatable shaft rotatably disposed on a side wall of the tower body, the rotatable shaft having a plurality of rotating blades fixedly disposed thereon.
5. A spray drying tower according to claim 4, wherein a plurality of said rotary vanes are gradually lengthened in a radial direction of the rotating shaft from a side wall of the tower body toward a center of the tower body, and the side wall of said rotary vane has an arc-shaped surface.
6. A spray drying tower according to claim 3 wherein the first drive mechanism comprises a motor and a sprocket and chain drive assembly driven by the motor, the drive end of the motor and one end of the plurality of disturbance assemblies each being provided with a sprocket connected by a chain drive.
7. The spray drying tower of claim 1, wherein the top end of the tower body is communicated with a filter box, a plurality of filter bags are arranged in the filter box, the openings of the filter bags are communicated with the interior of the tower body, the filter box is communicated with an exhaust pipe, and the exhaust pipe is arranged outside the filter bags.
8. The spray drying tower of claim 7, wherein a vibrating plate is connected to a side of the filter bag away from the opening of the filter bag, the vibrating plate is connected to the filter box through a flexible member, and a second driving mechanism is connected to the inside of the filter box, and the second driving mechanism drives the vibrating plate to vibrate through stretching.
9. An apparatus for producing protein powder using leather waste, characterized in that it has the spray drying tower of any one of claims 1 to 8.
10. The apparatus for producing protein powder using leather waste according to claim 9, further comprising a cyclone separator and a filter bag device which are sequentially communicated, wherein the cyclone separator is communicated with the bottom of the spray drying tower.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122409169.0U CN216571561U (en) | 2021-09-30 | 2021-09-30 | Spray drying tower and equipment for producing protein powder by using leather waste |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122409169.0U CN216571561U (en) | 2021-09-30 | 2021-09-30 | Spray drying tower and equipment for producing protein powder by using leather waste |
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| CN216571561U true CN216571561U (en) | 2022-05-24 |
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| CN202122409169.0U Active CN216571561U (en) | 2021-09-30 | 2021-09-30 | Spray drying tower and equipment for producing protein powder by using leather waste |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117282113A (en) * | 2023-11-24 | 2023-12-26 | 德州蓝力生物技术有限公司 | Albumin peptide production device and process |
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2021
- 2021-09-30 CN CN202122409169.0U patent/CN216571561U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117282113A (en) * | 2023-11-24 | 2023-12-26 | 德州蓝力生物技术有限公司 | Albumin peptide production device and process |
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