Spray drying device for amino acid processing
By designing a spray drying device including a heating tank, a drying box and a exhaust gas treatment box, the problems of uneven heating and incomplete exhaust gas treatment in the prior art are solved, and efficient amino acid drying and environmentally friendly exhaust gas treatment are achieved.
Patent Information
- Application Number
- CN202421331251.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-12
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2034-06-12
AI Technical Summary
The existing spray drying device requires a higher heating temperature when the heating is uneven and the temperature of the amino acid solution is low, resulting in low heating efficiency. At the same time, the exhaust gas of the amino acid cannot be effectively treated, causing environmental pollution.
A spray drying device including a heating tank, a drying tank and a exhaust treatment tank is designed. There is a stirring rod and heating tube in the heating tank for uniform heating of amino acid solutions; there is a spray head and a heater on the top of the drying box to achieve rapid atomization and vaporization of amino acid solutions; there is a water and a filter in the exhaust gas treatment box. Used to treat and purify exhaust gas.
By preheating the amino acid solution and vaporizing and drying in a drying chamber, the heating efficiency and drying effect of the amino acid are improved; at the same time, the exhaust gas treatment system effectively purifies the amino acid exhaust gas to prevent environmental pollution.
Smart Images
Figure CN222517742U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of amino acid production and processing, in particular to a spray drying device used for amino acid processing. Background Art
[0002] Amino acids are compounds in which the hydrogen atoms on the carbon atoms of carboxylic acids are replaced by amino groups. Amino acid molecules contain two functional groups: amino and carboxyl groups. Similar to hydroxy acids, amino acids can be divided into α-, β-, γ-... w-amino acids according to the different positions of the amino groups on the carbon chain. However, the amino acids obtained after protein hydrolysis are all α-amino acids, and there are only more than twenty kinds of them. They are the basic units of protein.
[0003] When drying amino acid solutions, the spray drying device used often has a heating device on the top of the drying box, so that the amino acid solution entering the drying box is heated and atomized, which results in uneven heating. At the same time, the temperature of the amino acid solution entering the drying box is low, and a higher temperature is required for heating and atomization. When the amino acids are spray dried, the tail gas generated will carry a certain amount of amino acids, which will cause environmental pollution if directly discharged into the air, so the tail gas needs to be treated. Utility Model Content
[0004] The utility model aims to provide a spray drying device for amino acid processing. The heating tank transfers the heated amino acid solution to a drying box, atomizes the amino acid solution and contacts with hot air, vaporizes and dries rapidly, and treats the tail gas at the same time, thereby solving the above-mentioned problems existing in the prior art.
[0005] In order to solve the above technical problems, the utility model adopts the following solutions:
[0006] A spray drying device for amino acid processing comprises a drying box, a heating tank and an exhaust gas treatment box are respectively arranged on both sides of the drying box, a first conduit is arranged between the drying box and the heating tank, a second conduit is arranged between the drying box and the exhaust gas treatment box, and a pipeline is arranged on the top of the drying box to be connected with a heater and a fan in sequence.
[0007] Preferably, a feed port and a motor are provided at the top of the heating tank, a rotating shaft and a first stirring rod are provided at the output end of the motor, and the first stirring rod is located on the outer peripheral surface of the rotating shaft.
[0008] Preferably, a second stirring rod is further provided on the outer circumferential surface of the rotating shaft, the length of the second stirring rod is greater than the length of the first stirring rod, and a scraper is provided at the end of the second stirring rod away from the rotating shaft, and the scraper contacts the inner wall of the heating tank.
[0009] Preferably, a heating tube is provided between the inner wall and the outer wall of the heating tank.
[0010] Preferably, a nozzle is provided at the end of the first conduit located inside the drying box, and a screen and a bucket-shaped discharge port are sequentially provided at the bottom of the drying box.
[0011] Preferably, the drying box is symmetrically provided with sliding grooves, in which a micro motor and a threaded rod connected to the output end of the micro motor are arranged, and a reciprocating moving block is sleeved on the outer periphery of the threaded rod, and one end of the moving block is fixedly connected to the screen.
[0012] Preferably, a fixed chamber is provided inside the exhaust gas treatment box, the fixed chamber is communicated with the end of the second conduit, and the fixed chamber is provided with a through hole.
[0013] Preferably, an exhaust pipe is provided on the top of the exhaust gas treatment box, an openable cover is provided on the top of the exhaust pipe, and a first filter, a second filter and a third filter are provided in sequence from bottom to top inside the exhaust pipe.
[0014] The utility model has the beneficial effects:
[0015] The utility model provides a first stirring rod, a second stirring rod with a scraper, and a plurality of heating tubes in a heating tank, so that the amino acid solution entering the drying box is fully heated in advance, so that the amino acid atomized by the nozzle is vaporized and dried under the action of the heater and the fan, and is transmitted to the screen that reciprocates up and down, so that the amino acid solution is fully heated, the water is completely evaporated, and the amino acid finished product is screened at the same time.
[0016] The exhaust gas treatment box is equipped with water to dissolve the amino acids in the exhaust gas. At the same time, the exhaust gas is filtered through the three-stage filter in the exhaust pipe and then discharged. The exhaust gas is purified for the second time so that the discharged exhaust gas does not pollute the environment. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the structure of the utility model;
[0018] Figure 2 For this utility model Figure 1 A schematic diagram of the partially enlarged structure of the middle circle A;
[0019] Figure 3 For this utility model Figure 1 Schematic diagram of the partially enlarged structure of the middle circle B.
[0020] Figure markings: 1-drying box, 10-nozzle, 11-discharge port, 12-screen, 13-sliding groove, 14-threaded rod, 15-micro motor, 16-moving block, 2-heating tank, 20-feeding port, 21-motor, 22-rotating shaft, 23-first stirring rod, 24-second stirring rod, 240-scraper, 25-heating tube, 3-exhaust treatment box, 30-fixed chamber, 31-through hole, 32-exhaust pipe, 33-cover plate, 34-first filter screen, 35-second filter screen, 36-third filter screen, 4-boosting pump, 5-first conduit, 6-second conduit, 7-fan, 8-heater. DETAILED DESCRIPTION
[0021] The present invention will be further described in detail below in conjunction with the embodiments and drawings, but the implementation manner of the present invention is not limited thereto.
[0022] In the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "longitudinal", "lateral", "horizontal", "inside", "outside", "front", "back", "top", "bottom", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, or are the directions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present utility model.
[0023] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "open", "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0024] Example 1
[0025] Embodiment 1 of the utility model is a spray drying device for amino acid processing, comprising a drying box 1, a heating tank 2 and an exhaust gas treatment box 3 are respectively provided on both sides of the drying box 1, a first conduit 5 is provided between the drying box 1 and the heating tank 2, a second conduit 6 is provided between the drying box 1 and the exhaust gas treatment box 3, and a pipeline is provided on the top of the drying box 1, which is connected to a heater 8 and a fan 7 in sequence.
[0026] Reference Figures 1 to 3In the present application, a heating tank 2 is provided, and the amino acid solution is heated in the heating tank 2 and then transferred to the top of the drying box 1, so that the amino acid solution is preheated before entering the drying box 1. A pipeline is provided on the top of the drying box 1 to transmit the external air heated by the heater 8 to the inside thereof, so that the amino acid solution entering the top of the drying box 1 is atomized and then vaporized under the action of hot air to obtain a dry powdered amino acid product; the exhaust gas generated by the heating inside the drying box 1 enters the exhaust gas treatment box 3 through the second conduit 6, and the exhaust gas treatment box 3 filters and recovers the exhaust gas containing amino acids to prevent the exhaust gas containing amino acids from being discharged to pollute the environment.
[0027] In some preferred embodiments, a feed port 20 and a motor 21 are provided at the top of the heating tank 2, a rotating shaft 22 and a first stirring rod 23 are provided at the output end of the motor 21, and the first stirring rod 23 is located on the outer circumference of the rotating shaft 22. A second stirring rod 24 is also provided on the outer circumference of the rotating shaft 22, the length of the second stirring rod 24 is greater than the length of the first stirring rod 23, and a scraper 240 is provided at the end of the second stirring rod 24 away from the rotating shaft 22, and the scraper 240 contacts the inner wall of the heating tank 2.
[0028] Specifically, refer to Figure 1 The feed port 20 is located at the top of the heating tank 2. The amino acid liquid entering the heating tank 2 through the feed port 20 rotates the first stirring rod 23 and the second stirring rod 24 under the driving action of the motor 21, so that the internal amino acid solution is evenly heated and the heating efficiency of the amino acid is improved. At the same time, the length of the second stirring rod 24 is greater than the first stirring rod 23, the purpose of which is to provide conditions for one end of the second stirring rod 24 to be connected to the scraper 240. The scraper 240 is in contact with the inner wall of the heating tank 2. During the rotation of the rotating shaft 22, the second stirring rod 24 rotates accordingly, and the scraper 240 scrapes off the amino acid solution adhered to the inner wall of the heating tank 2 in time to avoid the amino acid solution adhered to the inside affecting the heating effect of the heating tank 2.
[0029] In some preferred embodiments, a heating pipe 25 is provided between the inner wall and the outer wall of the heating tank 2 .
[0030] Specifically, the heating tube 25 is installed in a ring shape between the inner wall and the outer wall of the heating tank 2, so that the heating tube 25 increases the contact area with the inner wall of the heating tank 2, thereby fully and evenly heating the amino acid solution inside the heating tank 2 and improving the heating efficiency. The specific selection of the heating tube 25 is set according to actual conditions.
[0031] In some preferred embodiments, a nozzle 10 is provided at the end of the first conduit 5 located inside the drying box 1 , and a screen 12 and a bucket-shaped discharge port 11 are sequentially provided at the bottom of the drying box 1 .
[0032] Specifically, the first conduit 5 allows the amino acid liquid to enter the nozzle 10 under the action of the pressure pump 4, and the nozzle 10 converts the amino acid solution into a fine mist, so that under the action of the fan 7, the heater 8 and the pipeline, the heated external air is preheated in advance and enters the drying box 1. The mist amino acid solution is converted into a vaporized state by the high-temperature air, thereby completing the drying. The dried amino acid powder product falls onto the screen 12 for screening, and the screened amino acid powder is discharged from the discharge port 11.
[0033] In some preferred embodiments, the drying box 1 is symmetrically provided with a sliding groove 13, in which a micro motor 15 and a threaded rod 14 connected to the output end of the micro motor 15 are provided, and the outer periphery of the threaded rod 14 is provided with a reciprocating moving block 16, and one end of the moving block 16 is fixedly connected to the screen 12.
[0034] Reference Figure 2 In the present application, the screen 12 inside the drying box 1 reciprocates up and down inside the drying box 1, thereby performing uniform screening. Specifically, moving blocks 16 are provided at both ends of the screen 12, and the moving blocks 16 are sleeved on the outer periphery of the threaded rod 14. The micro motor 15 drives the threaded rod 14 to rotate, so that the moving blocks 16 drive the screen 12 to reciprocate up and down for uniform screening, and the screening efficiency is high.
[0035] Example 2
[0036] This embodiment 2 is implemented on the basis of embodiment 1, and a fixed chamber 30 is provided inside the exhaust gas treatment box 3, and the fixed chamber 30 is communicated with the end of the second conduit 6, and the fixed chamber 30 is provided with a through hole 31. An exhaust pipe 32 is provided on the top of the exhaust gas treatment box 3, and an openable cover plate 33 is provided on the top of the exhaust pipe 32. A first filter screen 34, a second filter screen 35 and a third filter screen 36 are provided inside the exhaust pipe 32 in order from bottom to top.
[0037] Reference Figure 3 The second conduit 6 transmits the tail gas after the amino acid drying in the drying box 1 to the fixed chamber 30, and then enters the entire tail gas treatment box 3 from the through hole 31 in the fixed chamber 30. The tail gas treatment box 3 is filled with water, and the amino acids contained in the tail gas are dissolved in the water. The cover plate 33 is opened, and the tail gas is filtered through the first filter 34, the second filter 35 and the third filter 36 in the exhaust pipe 32 before being discharged, and the tail gas is purified twice, so that the discharged tail gas does not pollute the environment. The first filter 34, the second filter 35 and the third filter 36 are all activated carbon filters to adsorb the amino acids in the tail gas.
[0038] The working principle of the utility model is:
[0039] When in use, the amino acid liquid enters the heating tank 2 through the feed port 20, and the external controller starts the heating tube 25 and the motor 21 to work, so that the amino acid solution inside the heating tank 2 is evenly heated, and the scraper 240 connected to the second stirring rod 24 scrapes off the amino acid solution adhering to the inside of the heating tank 2 to improve the heating efficiency. The heated amino acid liquid enters the top of the drying box 1, and is transformed into an atomized state through the nozzle 10. The heater 8 heats the external air and enters the inside of the drying box 1, so that the atomized amino acid is converted into vaporization for drying, and the dried powder falls into the screen 12 that moves back and forth up and down for screening, and the finished product after screening is transferred and collected through the discharge port. The tail gas containing amino acids in the drying box 1 enters the fixed chamber 30 through the second conduit 6, so that it dissolves with the water in the tail gas treatment box 3 through the through hole 31, and the tail gas is discharged after three filtrations through the exhaust pipe 32.
[0040] The above is only a preferred embodiment of the utility model and does not limit the utility model in any form. According to the technical essence of the utility model, within the spirit and principles of the utility model, any simple modification, equivalent replacement and improvement made to the above embodiment still falls within the protection scope of the technical solution of the utility model.
Claims
1. A spray drying device for amino acid processing, characterized in that: The invention comprises a drying box (1), wherein a heating tank (2) and an exhaust gas treatment box (3) are respectively arranged on both sides of the drying box (1), a first conduit (5) is arranged between the drying box (1) and the heating tank (2), a second conduit (6) is arranged between the drying box (1) and the exhaust gas treatment box (3), and a pipeline is arranged on the top of the drying box (1) and is connected to a heater (8) and a fan (7) in sequence.
2. A spray drying device for amino acid processing according to claim 1, characterized in that: The top of the heating tank (2) is provided with a feed port (20) and a motor (21); the output end of the motor (21) is provided with a rotating shaft (22) and a first stirring rod (23); the first stirring rod (23) is located on the outer peripheral surface of the rotating shaft (22).
3. A spray drying device for amino acid processing according to claim 2, characterized in that: A second stirring rod (24) is also provided on the outer peripheral surface of the rotating shaft (22); the length of the second stirring rod (24) is greater than the length of the first stirring rod (23); a scraper (240) is provided at the end of the second stirring rod (24) away from the rotating shaft (22); and the scraper (240) is in contact with the inner wall of the heating tank (2).
4. A spray drying device for amino acid processing according to claim 2, characterized in that: A heating pipe (25) is provided between the inner wall and the outer wall of the heating tank (2).
5. A spray drying device for amino acid processing according to claim 2, characterized in that: The end of the first conduit (5) located inside the drying box (1) is provided with a nozzle (10), and the bottom of the drying box (1) is provided with a screen (12) and a bucket-shaped discharge port (11) in sequence.
6. A spray drying device for amino acid processing according to claim 5, characterized in that: The drying box (1) is symmetrically provided with sliding grooves (13), wherein a micro motor (15) and a threaded rod (14) connected to an output end of the micro motor (15) are provided in the sliding groove (13), and a reciprocating moving block (16) is sleeved on the outer circumference of the threaded rod (14), and one end of the moving block (16) is fixedly connected to the screen (12).
7. A spray drying device for amino acid processing according to claim 5, characterized in that: A fixed chamber (30) is provided inside the exhaust gas treatment box (3), the fixed chamber (30) is communicated with the end of the second conduit (6), and the fixed chamber (30) is provided with a through hole (31).
8. A spray drying device for amino acid processing according to claim 7, characterized in that: An exhaust pipe (32) is provided at the top of the exhaust gas treatment box (3), an openable cover plate (33) is provided at the top end of the exhaust pipe (32), and a first filter screen (34), a second filter screen (35) and a third filter screen (36) are provided in sequence from bottom to top inside the exhaust pipe (32).