Aerogel jute fiber production device

Abstract

The utility model discloses an aerogel jute fiber production device. The aerogel jute fiber production device comprises a first extraction tank, the first filtering tank is connected with the first extraction tank; the first mixing tank is connected with the first filtering tank; the second filtering tank is connected with the first mixing tank; the ultrasonic cell crusher is used for preparing fibrilia suspension liquid; the first decompression tank is used for decompressing and drying the fibrilia suspension to a viscous state; the second mixing tank is connected with the first decompression tank, and the second mixing tank is used for preparing an aerogel precursor and impregnated hemp fiber filaments; and the first heat preservation tank is connected with the second mixing tank. According to the aerogel jute fiber production device, the jute fibers can be filled with aerogel, the adsorption performance of the jute fibers can be improved, the softness and the elasticity are improved, and the user experience is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of production, and in particular relates to an aerogel hemp fiber production device. Background Art

[0002] Hemp fiber refers to the fiber obtained from various hemp plants, including bast fiber from the cortex of annual or perennial herbaceous dicotyledonous plants and leaf fiber from monocotyledonous plants. Hemp fiber has advantages that other fibers cannot match: it has good moisture absorption and dissipation and breathability, fast heat transfer and heat conduction, cool and crisp, sweating does not stick to the skin, light texture, strong, insect and mildew proof, less static electricity, fabric is not easy to be polluted, soft and generous color, rough, suitable for human skin excretion and secretion, etc. However, hemp fiber is coarse and hard, has little elongation and very poor elasticity, and insufficient softness and elasticity will affect the experience. Utility Model Content

[0003] In order to solve the deficiencies in the prior art, the utility model provides an aerogel hemp fiber production device.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] An aerogel hemp fiber production device, comprising:

[0006] a first extraction tank, the first extraction tank being used to extract hemp fibers;

[0007] a first filtering tank, the first filtering tank being connected to the first extracting tank, the first filtering tank being used for washing and extracting hemp fiber powder;

[0008] a first mixing tank, the first mixing tank being connected to the first filtering tank, and the first mixing tank being used for purifying hemp fiber powder;

[0009] a second filtering tank, the second filtering tank being connected to the first mixing tank, and the second filtering tank being used for washing and extracting hemp fiber powder;

[0010] Ultrasonic cell pulverizer for preparing hemp fiber suspension;

[0011] The first decompression tank is used to decompress and dry the hemp fiber suspension to a viscous state;

[0012] a second mixing tank, the second mixing tank being connected to the first decompression tank, the second mixing tank preparing aerogel precursor and impregnated hemp fiber filaments;

[0013] A first heat-insulating tank is connected to the second mixing tank, and the first heat-insulating tank is used for preparing aerogel hemp fiber.

[0014] Furthermore, a plurality of first raw material pipes are provided at the upper end of the first extraction tank, and the first raw material pipes are used to put the mixed solution of rhubarb stalk powder and nitric acid ethanol. A first condensation reflux pipe is provided at the upper end of the first extraction tank, and a first condenser is connected to the first condensation reflux pipe.

[0015] Furthermore, the production device includes a first vacuum pump, a first heater and a first blower. The first pressure reducing tank is provided with a first exhaust pipe, which is connected to the first vacuum pump. The first pressure reducing tank is provided with a first hot air pipe, which is connected to the first blower. The first heater is arranged between the first blower and the first pressure reducing tank.

[0016] Furthermore, a first stirring shaft is provided in the second mixing tank, a first driving motor is provided at the upper end of the second mixing tank, the first driving motor is drivingly connected to the first stirring shaft, and a first stirring paddle is provided on the first stirring shaft.

[0017] Furthermore, the first heat preservation tank is provided with a first heat preservation cavity, and a first heating rod is provided in the first heat preservation cavity.

[0018] The utility model discloses an aerogel hemp fiber production method and a production device thereof. Compared with the prior art, the utility model has the beneficial effect that aerogel can be filled into hemp fiber, the adsorption performance of hemp fiber can be improved, and the softness and elasticity can be enhanced to ensure the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a flow chart of a preferred embodiment provided by the utility model.

[0020] Figure 2 It is a structural schematic diagram of a preferred embodiment provided by the utility model.

[0021] Figure 3 It is a structural schematic diagram of the first extraction tank of the preferred embodiment provided by the utility model.

[0022] Figure 4 It is a structural schematic diagram of a first pressure reducing tank of a preferred embodiment provided by the utility model.

[0023] Figure 5 It is a structural schematic diagram of the second mixing tank of the preferred embodiment provided by the utility model.

[0024] The figure marks include: 10, first extraction tank; 11, first heating chamber; 12, first raw material pipe; 13, first condenser; 14, first condensation reflux pipe; 20, first filter tank; 30, first mixing tank; 40, second filter tank; 50, ultrasonic cell crusher; 60, first pressure reducing tank; 61, first vacuum pump; 62, first heater; 63, first blower; 70, second mixing tank; 71, first drive motor; 72, first stirring shaft; 73, first stirring paddle; 80, first insulation tank; 81, first insulation chamber; 82, first heating rod. DETAILED DESCRIPTION

[0025] The utility model discloses an aerogel hemp fiber production method and a production device thereof. The specific implementation manner of the utility model is further described below in conjunction with a preferred embodiment.

[0026] See attached figure Figure 1-5 , Figure 1 It is a flowchart of a preferred embodiment provided by the utility model. Figure 2 It is a structural schematic diagram of a preferred embodiment provided by the utility model. Figure 3 This is a schematic structural diagram of the first extraction tank 10 of the preferred embodiment provided by the utility model. Figure 4 Schematic diagram of the structure of the first pressure reducing tank 60 of the preferred embodiment provided by the utility model. Figure 5 It is a schematic structural diagram of the second mixing tank 70 of the preferred embodiment provided by the utility model.

[0027] Preferred embodiments.

[0028] This embodiment provides a method for producing aerogel hemp fiber, comprising the following steps:

[0029] Step S1: extracting hemp fiber, placing apocynum venetum stalk powder into a nitric acid-ethanol mixture, heating in an oil bath at 90-110° C. for 20-48 hours, washing the apocynum venetum stalk powder with ethanol, repeating the above steps until the apocynum venetum dry powder turns white, washing the filter residue with ethanol and drying to obtain a hemp fiber powder, wherein the ratio of nitric acid to ethanol in the nitric acid-ethanol mixture is 1:4;

[0030] Step S2: preparing a hemp fiber suspension, adding hemp fiber powder, sodium bromide, and 2,2,6,6-tetramethylpiperidinyl oxide to a sodium carbonate and sodium bicarbonate buffer, and adding a sodium hypochlorite solution, reacting at room temperature for 18-24 hours, adjusting the pH value of the solution to pH=10, standing for 4-6 hours, and then centrifuging to extract a precipitate, repeatedly washing with ethanol and water, adding the precipitate to deionized water, and placing the precipitate in an ultrasonic cell pulverizer 50 for 0.2-0.5 hours to obtain a hemp fiber suspension;

[0031] Step S3: preparing an aerogel precursor, adding sodium montmorillonite into deionized water, ultrasonically treating for 0.2-0.4 h, adding a polyvinyl alcohol solution, and stirring for 1-2 h to obtain an aerogel precursor;

[0032] Step S4: preparing aerogel hemp fiber, drying the hemp fiber suspension under reduced pressure to a viscous state, spinning to obtain hemp fiber filaments, immersing the hemp fiber filaments in an aerogel precursor for 30-40 hours, taking them out after water bathing at 80-90° C. for 15-30 hours, and soaking them in acetone for 60-90 hours, taking them out and keeping them warm at 650-800° C. for reaction for 3-6 hours, and cooling them to room temperature to obtain aerogel hemp fiber.

[0033] Furthermore, the mass fraction of hemp fiber in the hemp fiber suspension obtained in step S2 is 0.8%, and the mass ratio of the hemp fiber powder, sodium bromide and 2,2,6,6-tetramethylpiperidinyl oxide is 65:6:1.

[0034] Furthermore, the polyvinyl alcohol solution is a polyvinyl alcohol solution with a mass fraction of 5%, and the mass ratio of the polyvinyl alcohol solution to the polyvinyl alcohol solution is 200:1.

[0035] An aerogel hemp fiber production device, comprising:

[0036] A first extraction tank 10, wherein the first extraction tank 10 is used to extract hemp fibers;

[0037] a first filtering tank 20, the first filtering tank 20 being connected to the first extracting tank 10, and the first filtering tank 20 being used for washing and extracting hemp fiber powder;

[0038] a first mixing tank 30, the first mixing tank 30 is connected to the first filtering tank 20, and the first mixing tank 30 is used to purify hemp fiber powder;

[0039] a second filtering tank 40, the second filtering tank 40 being connected to the first mixing tank 30, and the second filtering tank 40 being used for washing and extracting hemp fiber powder;

[0040] Ultrasonic cell pulverizer 50, for preparing hemp fiber suspension;

[0041] The first decompression tank 60 is used to decompress and dry the hemp fiber suspension to a viscous state;

[0042] a second mixing tank 70, the second mixing tank 70 being connected to the first decompression tank 60, the second mixing tank 70 preparing aerogel precursor and impregnated hemp fiber filaments;

[0043] The first heat-insulating tank 80 is connected to the second mixing tank 70, and the first heat-insulating tank 80 is used for preparing aerogel hemp fiber.

[0044] Furthermore, the upper end of the first extraction tank 10 is provided with a plurality of first raw material pipes 12, the first raw material pipes 12 are used to put the ramie stalk powder and the nitric acid ethanol mixture, the upper end of the first extraction tank 10 is provided with a first condensation reflux pipe 14, and the first condensation reflux pipe 14 is connected to a first condenser 13. The first condenser 13 can condense and reflux the evaporated ethanol to avoid ethanol evaporation. The first extraction tank 10 is provided with a first heating chamber 11, which is used for oil bath heating extraction of ramie fiber.

[0045] Furthermore, the production device includes a first vacuum pump 61, a first heater 62 and a first blower 63. The first pressure reducing tank 60 is provided with a first exhaust pipe, which is connected to the first vacuum pump 61. The first pressure reducing tank is provided with a first hot air pipe, which is connected to the first blower 63. The first heater 62 is arranged between the first blower 63 and the first pressure reducing tank 60. The first blower 63 blows air through the first heater 62 for heating, dries the first pressure reducing tank 60, and cooperates with the first vacuum pump 61 to decompress the first pressure reducing tank 60, and decompresses the hemp fiber suspension to a viscous state.

[0046] Furthermore, a first stirring shaft 72 is provided in the second mixing tank 70, a first driving motor 71 is provided at the upper end of the second mixing tank 70, the first driving motor 71 is drivingly connected to the first stirring shaft 72, and a first stirring paddle 73 is provided on the first stirring shaft 72. The first driving motor 71 drives the first stirring paddle 73 to rotate, stirring and preparing the aerogel precursor.

[0047] Furthermore, the first heat preservation tank 80 is provided with a first heat preservation cavity 81, and a first heating rod 82 is provided in the first heat preservation cavity 81. The first heating rod 82 can heat the heating oil in the first heat preservation cavity 81, so as to heat the first heat preservation tank 80 through an oil bath.

[0048] It is worth mentioning that the technical features such as the first heating rod 82 involved in the utility model patent application should be regarded as the prior art. The specific structure, working principle and possible control method and spatial layout method of these technical features can be selected by conventional methods in the field, and should not be regarded as the utility model point of the utility model patent. This utility model patent will not be further elaborated.

[0049] For those skilled in the art, it is still possible to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. An aerogel hemp fiber production device, characterized in that: include: A first extraction tank (10), wherein the first extraction tank (10) is used to extract hemp fibers; a first filtering tank (20), the first filtering tank (20) being connected to the first extracting tank (10), the first filtering tank (20) being used for washing and extracting hemp fiber powder; a first mixing tank (30), the first mixing tank (30) being connected to the first filtering tank (20), and the first mixing tank (30) being used for purifying hemp fiber powder; a second filtering tank (40), the second filtering tank (40) being connected to the first mixing tank (30), and the second filtering tank (40) being used for washing and extracting hemp fiber powder; an ultrasonic cell pulverizer (50) for preparing a hemp fiber suspension; A first decompression tank (60) is used to decompress and dry the hemp fiber suspension to a viscous state; a second mixing tank (70), the second mixing tank (70) being connected to the first decompression tank (60), and the second mixing tank (70) preparing aerogel precursor and impregnated hemp fiber filaments; A first heat-insulating tank (80), wherein the first heat-insulating tank (80) is connected to the second mixing tank (70), and the first heat-insulating tank (80) is used to prepare aerogel hemp fibers.

2. The aerogel hemp fiber production device according to claim 1, characterized in that: A plurality of first raw material pipes (12) are provided at the upper end of the first extraction tank (10), and the first raw material pipes (12) are used to put the mixed solution of apocynum venetum stalk powder and nitric acid ethanol. A first condensation reflux pipe (14) is provided at the upper end of the first extraction tank (10), and the first condensation reflux pipe (14) is connected to a first condenser (13).

3. The aerogel hemp fiber production device according to claim 1, characterized in that: The production device comprises a first vacuum pump (61), a first heater (62) and a first blower (63); the first pressure reducing tank (60) is provided with a first exhaust pipe, the first exhaust pipe is connected to the first vacuum pump (61); the first pressure reducing tank is provided with a first hot air pipe, the first hot air pipe is connected to the first blower (63); the first heater (62) is arranged between the first blower (63) and the first pressure reducing tank (60).

4. The aerogel hemp fiber production device according to claim 1, characterized in that: A first stirring shaft (72) is provided in the second mixing tank (70), a first driving motor (71) is provided at the upper end of the second mixing tank (70), the first driving motor (71) is drivingly connected to the first stirring shaft (72), and a first stirring paddle (73) is provided on the first stirring shaft (72).

5. The aerogel hemp fiber production device according to claim 1, characterized in that: The first heat-insulating tank (80) is provided with a first heat-insulating cavity (81), and a first heating rod (82) is provided in the first heat-insulating cavity (81).

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