Solid coconut oil acyl glycine amino acid salt preparation device

Abstract

The utility model provides a solid cocoyl glycine amino acid salt preparation device. The device comprises a cocoyl glycine amino acid salt purification and pre-concentration system and a film evaporation, granulation and crushing system, the device specifically comprises a crude amino acid salt temporary storage tank, a conveying pump, a filter, a concentration tank, a heater and a circulating pump, the device comprises a film evaporator, a spiral conveyor, a vibration fluidized bed, a first air seal machine, a jet mill, a gas filter, a dust remover, a second air seal machine, an air exhaust fan, a dust removal fan, a powdery product bin and a particle product bin. According to the device, a low-concentration product is concentrated to a relatively high concentration by utilizing vacuum concentration and dehydration, then a high-concentration material is dried and dehydrated by utilizing the film evaporator, finally, a granular product is prepared by utilizing the fluidized bed, and a powder product is prepared by utilizing air jet pulverization. Solid products in two forms can be prepared at the same time through the device so as to meet the use requirements of different customers, and the device is low in energy consumption, little in dust and waste gas and high in product yield in the operation process.

Description

Technical Field

[0001] The utility model relates to an automatic production line for solid surfactants, in particular to a device for preparing solid coconut oil acyl glycine amino acid salts. The device can be used to prepare high-concentration, low-irritation amino acid solid surfactants required for producing toothpaste and skin cleansing products. Background Art

[0002] Cocoyl Glycine Amino Acid Salt is an amino acid surfactant with low irritation, low toxicity, high softness, good biodegradability and good affinity to the human body. Cocoyl Glycine Amino Acid Salt has two types of products: solid and liquid. The solid product is mainly used in high concentration occasions. At present, the solid product on the market is mainly powdered, which is made by spray drying the 30% aqueous product.

[0003] However, existing spray drying equipment and processes consume a lot of energy, produce a lot of dust and waste gas, have a low product yield, and the product can only be made into powder form, which greatly limits its subsequent use. Utility Model Content

[0004] In order to solve the above-mentioned defects existing in the existing processing technology and device of coconut oil acyl glycine amino acid salt, the utility model proposes a new solid coconut oil acyl glycine amino acid salt preparation device, through which the low-concentration product is first concentrated to a higher concentration by vacuum concentration and dehydration, and then the high-concentration material is dried and dehydrated by a thin film evaporator to directly obtain a solid granular product of more than 90%, and finally the granular product is obtained by a fluidized bed, and the powder product is obtained by air flow crushing. The device can simultaneously produce two forms of solid products to meet the use requirements of different customers, and the device has low energy consumption, less dust and waste gas, and high product yield during operation.

[0005] Specifically, the utility model provides a solid coconut oil acyl glycine amino acid salt preparation device, the device comprises a coconut oil acyl glycine amino acid salt purification pre-concentration system and a thin film evaporation granulation and crushing system, wherein:

[0006] The cocoyl glycine amino acid salt purification and pre-concentration system comprises: a crude amino acid salt temporary storage tank 1, a delivery pump 2, a filter 3, a concentration tank 4, a heater 5, and a circulation pump 6;

[0007] The thin film evaporation granulation and pulverization system comprises: a thin film evaporator 7, a screw conveyor 8, a vibrating fluidized bed 9, a first air lock 10, an air flow pulverizer 11, a gas filter 12, a dust collector 13, a second air lock 14, an exhaust fan 15-2, a dust removal fan 15-3, a powder product silo 16, and a granular product silo 17;

[0008] The crude amino acid salt temporary storage tank 1 is connected to the feed ports of the delivery pump 2 and the filter 3 in sequence through pipelines, the discharge port of the filter 3 is connected to the middle feed port of the concentration tank 4 through pipelines, the bottom discharge port of the concentration tank 4 is connected to the feed ports of the circulation pump 6 and the heater 5 in sequence through pipelines, and the discharge port of the heater 5 is connected to the internal nozzle on the upper part of the concentration tank 4;

[0009] The bottom discharge port of the concentration tank 4 is connected to the circulation pump 6 and the thin film evaporator 7 in sequence through a pipeline, and the concentrated liquid from the concentration tank 4 is transported to the thin film evaporator 7 through the circulation pump 6 for dehydration and drying; the upper part of the thin film evaporator 7 is connected to the exhaust fan 15-2, and the lower part is connected to the middle feed port of the screw conveyor 8;

[0010] The screw conveyor 8 can be operated forward and reversely, and includes two discharge ports, forward and reverse. The forward discharge port of the screw conveyor 8 is connected to the feed port of the vibrating fluidized bed 9, and the discharge port of the vibrating fluidized bed 9 is connected to the granular product silo 17. The reverse discharge port of the screw conveyor 8 is connected to the inlet of the air flow pulverizer 11 through the first air lock 10, and the outlet of the air flow pulverizer 11 is connected to the connecting pipe of the gas filter 12 and the dust collector 13.

[0011] The upper part of the dust collector 13 is connected to the dust removal fan 15-3, and the lower discharge port is connected to the powder product silo 16 through the second air lock 14. The powder and the airflow are separated in the dust collector 13, and the gas is discharged through the dust removal fan 15-3. The powder is transported from the lower discharge port of the dust collector 13 through the second air lock 14 to the powder product silo 16.

[0012] Furthermore, the top of the concentration tank 4 in the present device is connected to a vacuum pump 15 - 1 .

[0013] Furthermore, a three-way valve is provided behind the circulation pump 6 in the device, and the feed port of the heater 5 or the thin film evaporator 7 can be selectively connected by adjusting the three-way valve.

[0014] Furthermore, an air inlet 18 is also provided at the lower portion of the thin film evaporator 7 in the device.

[0015] Furthermore, the device can simultaneously prepare two different forms of solid cocoyl glycinate, powdered and granular. The powdered product prepared by the device is an irregular powder of 60-200 mesh, and the granular product prepared by the device includes irregular particles of 14-60 mesh or spherical particles with a diameter of 0.7-2.0 mm and a length of 2-10 mm or spherical products with a diameter of 0.3-1.2 mm.

[0016] Furthermore, the concentration of the pre-concentrated liquid produced by the crude salt pre-concentration system in the device is 32-80%.

[0017] Furthermore, the water content of the product produced by the thin film evaporation granulation and pulverization system in the device is less than 8%; the water content of the granular product is less than 5%, and the water content of the powder product is less than 3%.

[0018] The solid-state coconut oil acyl glycine amino acid salt preparation device of the utility model has the following advantages:

[0019] (1) Low energy consumption: The vacuum concentration and dehydration in this device is suitable for low-concentration products and has high dehydration efficiency; the thin film evaporator is suitable for dehydration of high-concentration and high-viscosity materials, with high efficiency and energy saving.

[0020] (2) Safety and environmental protection: The exhaust gas is greatly reduced during the operation of this device, and only a small amount of low-temperature air is used during the thin film evaporation process.

[0021] (3) High product yield: The device produces less waste gas and less dust loss during operation, thereby increasing the product yield.

[0022] (4) High product quality: The device operates at a low temperature, and the concentration is carried out under vacuum, with the temperature not exceeding 95°C. Low-temperature air is introduced into the thin film evaporator for cooling, with the temperature at 80-90°C. The low-temperature environment helps to improve product quality.

[0023] (5) The device can produce solid products in various forms at the same time, and the diversified products can meet the usage requirements of different customers. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present utility model, not all embodiments. For those skilled in the art, other drawings can be obtained based on these drawings without creative work.

[0025] Figure 1 The utility model is a diagram showing the overall composition of a solid-state coconut oil acyl glycine amino acid salt preparation device.

[0026] Figure markings: 1-crude amino acid salt temporary storage tank, 2-transfer pump, 3-filter, 4-concentration tank, 5-heater, 6-circulation pump, 7-thin film evaporator, 8-screw conveyor, 9-vibrating fluidized bed, 10-first air shutoff, 11-air flow pulverizer, 12-gas filter, 13-dust collector, 14-second air shutoff, 15-1-vacuum pump, 15-2-exhaust fan, 15-3-dust removal fan, 16-powdered product silo, 17-granular product silo, 18-air inlet. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be clearly and completely described below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments, and the utility model can also be implemented or applied through other different specific implementation methods. The details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the utility model.

[0028] At the same time, it should be understood that the protection scope of the present invention is not limited to the specific embodiments described below; it should also be understood that the terms used in the embodiments of the present invention are for describing specific embodiments rather than for limiting the protection scope of the present invention.

[0029] In the description of the present invention, it should be noted that the terms "vertical", "upper" and "lower" etc. indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0030] In the description of the present invention, unless otherwise specified and limited, the terms "set", "install", "connect", "connection", etc. 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 direct connection, an indirect connection through an intermediate medium, or the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0031] The utility model provides a device for preparing solid coconut oil acyl glycine amino acid salt. The embodiments of the utility model are described in detail below in conjunction with the accompanying drawings.

[0032] Example

[0033] A solid cocoyl glycine salt preparation device, such as Figure 1 As shown, the device of the utility model comprises a coconut oil acyl glycine amino acid salt purification pre-concentration system and a thin film evaporation granulation and crushing system.

[0034] The coconut oil acylglycerol amino acid salt purification and pre-concentration system comprises: a crude amino acid salt temporary storage tank 1, a delivery pump 2, a filter 3, a concentration tank 4, a heater 5, and a circulation pump 6.

[0035] The crude amino acid salt in the crude amino acid salt temporary storage tank 1 is transported to the middle feed port of the concentration tank 4 through a pipeline via a delivery pump 2 and a filter 3. The bottom discharge port of the concentration tank 4 transports the material to the heater 5 through a circulation pump 6 for heating and then transports it to the internal nozzle of the concentration tank 4. The top of the concentration tank 4 is connected to a vacuum pump 15-1.

[0036] The thin film evaporation granulation and pulverization system includes: a thin film evaporator 7, a screw conveyor 8, a vibrating fluidized bed 9, a first air shutoff 10, an air flow pulverizer 11, a gas filter 12, a dust collector 13, a second air shutoff 14, an exhaust fan 15-2, a dust removal fan 15-3, a powder product silo 16, and a granular product silo 17.

[0037] The concentrated liquid from the concentration tank 4 is transported to the thin film evaporator 7 for dehydration and drying through the circulation pump 6. The upper part of the thin film evaporator 7 is connected to the exhaust fan 15-2, and the lower part is connected to the middle feed port of the screw conveyor 8. The screw conveyor 8 can run forward and reverse, and has two forward and reverse discharge ports. The forward discharge port is connected to the feed port of the vibrating fluidized bed 9, and the discharge port of the vibrating fluidized bed 9 is connected to the granular product silo 17; the reverse discharge port of the screw conveyor 8 is connected to the inlet of the air flow mill 11 through the first air lock 10, and the discharge port of the air flow mill 11 is connected to the connecting pipe of the gas filter 12 and the dust collector 13. The powder and the air flow are separated in the dust collector 13, and the gas is emptied through the dust removal fan 15-3. The powder is transported from the lower discharge port of the dust collector 13 through the second air lock 14 to the powder product silo 16.

[0038] The above description is only a preferred embodiment of the utility model and does not limit the utility model in any form. Any technician familiar with the profession can make some changes or modifications to the technical contents disclosed above without departing from the scope of the technical solution of the utility model to obtain equivalent embodiments with equivalent changes. However, any simple modification, equivalent changes and modifications made to the above embodiments based on the technical essence of the utility model without departing from the content of the technical solution of the utility model are still within the scope of the technical solution of the utility model.

Claims

1. A solid cocoyl glycine salt preparation device, characterized in that, The device comprises a cocoyl glycine amino acid salt purification and pre-concentration system and a thin film evaporation granulation and pulverization system, wherein: The cocoyl glycine amino acid salt purification and pre-concentration system comprises: a crude amino acid salt temporary storage tank (1), a delivery pump (2), a filter (3), a concentration tank (4), a heater (5), and a circulation pump (6); The thin film evaporation granulation and pulverization system comprises: a thin film evaporator (7), a screw conveyor (8), a vibrating fluidized bed (9), a first air lock (10), an air flow pulverizer (11), a gas filter (12), a dust collector (13), a second air lock (14), an exhaust fan (15-2), a dust removal fan (15-3), a powder product silo (16), and a granular product silo (17); The crude amino acid salt temporary storage tank (1) is connected to the feed ports of the delivery pump (2) and the filter (3) in sequence through pipelines; the discharge port of the filter (3) is connected to the middle feed port of the concentration tank (4) through pipelines; the bottom discharge port of the concentration tank (4) is connected to the feed ports of the circulation pump (6) and the heater (5) in sequence through pipelines; the discharge port of the heater (5) is connected to an internal nozzle at the top of the concentration tank (4); The bottom discharge port of the concentration tank (4) is connected to the circulation pump (6) and the thin film evaporator (7) in sequence through a pipeline, and the concentrated liquid from the concentration tank (4) is transported to the thin film evaporator (7) through the circulation pump (6) for dehydration and drying; the upper part of the thin film evaporator (7) is connected to the exhaust fan (15-2), and the lower part is connected to the middle feed port of the screw conveyor (8); The screw conveyor (8) can be operated forward and reversely, and includes two discharge ports, forward and reverse. The forward discharge port of the screw conveyor (8) is connected to the feed port of the vibrating fluidized bed (9), and the discharge port of the vibrating fluidized bed (9) is connected to the granular product silo (17). The reverse discharge port of the screw conveyor (8) is connected to the inlet of the air flow pulverizer (11) through the first air lock (10), and the outlet of the air flow pulverizer (11) is connected to the connecting pipe of the gas filter (12) and the dust collector (13). The upper part of the dust collector (13) is connected to the dust removal fan (15-3), and the lower discharge port is connected to the powder product silo (16) through the second air lock (14).

2. The solid-state cocoyl glycine salt preparation device according to claim 1, wherein The top of the concentration tank (4) is connected to a vacuum pump (15-1).

3. The solid-state cocoyl glycine salt preparation device according to claim 1, characterized in that: A three-way valve is arranged behind the circulation pump (6), and the feed inlet of the heater (5) or the thin film evaporator (7) can be selectively connected by adjusting the three-way valve.

4. The solid-state cocoyl glycine salt preparation device according to claim 1, characterized in that: The lower part of the thin film evaporator (7) is also provided with an air inlet (18).

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