Device for regulating and controlling constant temperature and humidity of linear electrostatic spinning and waste gas treatment and operation method

Abstract

The invention relates to a device for regulating and controlling linear electrostatic spinning constant temperature and humidity and waste gas treatment and an operation method. The device comprises an electrostatic spinning area (12), a dehumidifier (1), circulating water cooling air conditioning equipment (6) and a waste gas treatment mechanism (4). The circulating water cooling air conditioning equipment (6) is communicated with the dehumidifier (1) through a water tower (9), the dehumidifier (1) is communicated with the electrostatic spinning area (12), and the electrostatic spinning area (12) is communicated with the waste gas treatment mechanism (4). Based on the device, starting, stopping and parameter setting of the waste gas treatment mechanism (4), the dehumidifier (1) and the circulating water-cooling air conditioning equipment (6) can be achieved through a PLC control panel, and therefore temperature and humidity of the internal environment of the electrostatic spinning area (12) can be regulated and controlled. Compared with the prior art, the problems of temperature and humidity control and waste gas emission of batch electrostatic spinning are solved, and continuous and industrialized production of nanofibers can be achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of electrostatic spinning equipment, and in particular to a device and an operating method for regulating constant temperature and humidity and waste gas treatment for linear electrostatic spinning. Background Art

[0002] The basic principle of electrospinning is that under the action of a strong electric field, the polymer solution overcomes surface tension to form a jet, which is stretched, thinned and finally solidified into a fiber on a receiving device. Specifically, when a high voltage is applied to the spinning needle, the liquid in the needle carries an electric charge. Due to the repulsive force between the charges and the attractive force of the ground end, the liquid can overcome the surface tension and eject from the surface and reach the grounded receiving device. In this process, the jet undergoes high-frequency oscillation and solvent volatilization, and finally forms fibers with a diameter of nanometers. Electrospinning is a simple method for producing nanofibers in laboratories and industries. Due to its wide application in biomedicine, nanofiber composites, filtration materials, battery materials, textiles and other fields, this technology has become one of the mainstream methods for producing nanofibers.

[0003] The spinning rate of single-needle electrospinning equipment is relatively low, and the output is usually between 0.1 and 1.0 g / h. This makes it difficult for single-needle equipment to meet the needs of large-scale production, limiting its application in industrial production. The time cost is high. Due to low production efficiency, it takes a long time to complete the production of a large number of fibers, which increases production costs and time costs. In addition, it is not easy to control the temperature, humidity and other conditions of the spinning environment in the experiment, and it cannot meet the long-term and stable preparation of nanofibers. With the advancement of science and technology and the development of industry, the demand for high-performance and multifunctional materials is increasing. Nanofiber materials prepared by electrospinning technology have shown huge market demand in many fields due to their unique performance advantages. At present, most studies focus on the changes in solution properties and process parameters of electrospinning. However, the control of environmental parameters also has a great influence on the effect of electrospinning. In order to develop the industrial production of electrospinning, the temperature and humidity of the electrospinning environment should be finely controlled. Summary of the invention

[0004] The purpose of the present invention is to provide a device and operation method for regulating constant temperature and humidity and waste gas treatment of linear electrospinning, so as to realize the regulation of temperature and humidity of the internal environment of industrial linear electrospinning.

[0005] The purpose of the present invention can be achieved by the following technical solutions:

[0006] The present invention provides a device for regulating constant temperature and humidity and exhaust gas treatment of linear electrospinning, comprising an electrospinning area, a dehumidifier for regulating the humidity of the electrospinning area, a circulating water-cooled air conditioning device for cooperating with the dehumidifier to regulate the temperature of the electrospinning area, and an exhaust gas treatment mechanism for treating the exhaust gas in the electrospinning area;

[0007] Wherein, the circulating water-cooled air-conditioning equipment is connected to the dehumidifier through a water tower, the dehumidifier is connected to the electrostatic spinning area, and the electrostatic spinning area is connected to the exhaust gas treatment mechanism.

[0008] Preferably, the circulating water-cooled air-conditioning equipment is connected to the water tower through a first water inlet and a first water outlet, the water tower is connected to a dehumidifier through a second water inlet and a second water outlet, the dehumidifier is connected to the electrostatic spinning area through an air outlet, the electrostatic spinning area is connected to the exhaust gas treatment mechanism through an air intake, and the exhaust gas treatment mechanism is connected to the atmosphere through a fan.

[0009] Preferably, a single-layer porous plastic plate is installed at the connection between the air intake port, the exhaust gas treatment mechanism and the electrostatic spinning area, and at the connection between the air outlet, the dehumidifier and the electrostatic spinning area, and the single-layer porous plastic plate is provided with a plurality of holes.

[0010] In the present invention, the porous arrangement on the single-layer porous plastic plate can ensure the uniformity and stability of air flow dispersion, so that the temperature and humidity of the operating space can be completely stabilized after the air enters.

[0011] Preferably, the first water outlet, the first water inlet, the second water inlet, the second water outlet, the air intake and the air outlet are made of plastic pipes and are corrosion-resistant.

[0012] Further preferably, the first water outlet, the first water inlet, the second water outlet, and the second water inlet select pipes with an inner diameter greater than 10 cm and an outer diameter less than 200 cm according to the amount of water, and the air intake of the exhaust gas treatment mechanism and the air outlet of the dehumidifier select air ducts with an inner diameter less than 80 cm and an outer diameter less than 500 cm according to the ventilation requirements, so as to ensure the stability of the air volume and make the airflow more stable.

[0013] Preferably, the energy consumption of the circulating water-cooled air-conditioning equipment is consistent with actual conditions and is used for heating or cooling water flow.

[0014] Further preferably, the circulating water-cooled air-conditioning equipment operates by circulating a circulating water system and a refrigerant, and utilizing the heat exchange principle to adjust the temperature of water entering the dehumidifier.

[0015] Preferably, the humidity adjustment range of the dehumidifier is 5%-95%, the temperature adjustment range is 5-80°C, and the energy consumption of the dehumidifier is consistent with the actual situation.

[0016] Further preferably, the dehumidifier is controlled by a rotary motor to achieve the discharge of humid air and dehumidified air. When the air to be dehumidified enters the processing area of ​​the wheel, the moisture in the air is adsorbed by the desiccant in the wheel, and the dehumidified air is sent out from the other side of the wheel, namely the air outlet.

[0017] Preferably, the energy consumption of the waste gas treatment mechanism is consistent with actual conditions, and is used to treat and purify the waste gas generated during the spinning process.

[0018] Further preferably, the waste gas treatment mechanism utilizes the contact and mass transfer process between gas and liquid, and sprays liquid (such as water, alkaline or acidic solution) into fine droplets through a spray system, which contact the waste gas, so that the harmful substances in the waste gas are absorbed by the liquid or chemically react, thereby achieving the purpose of purifying the waste gas.

[0019] In the present invention, the dehumidifier, waste gas treatment mechanism and circulating water-cooled air conditioning equipment operate independently and are respectively used for different temperatures and humidity and waste gas treatment in the spinning environment, ensuring that the temperature and humidity can be accurately regulated and the working environment of the electrospinning area can be reasonably controlled.

[0020] Preferably, an electrospinning nozzle is provided in the electrospinning area, and an electrode is passed through the electrospinning nozzle. The electrospinning nozzle realizes reciprocating motion with the electrode through a transmission device, and then the spinning liquid in the electrospinning nozzle is immersed in the electrode. The spinning liquid on the electrode is ejected onto the receiving substrate under the action of a high-voltage generator to form nanofibers.

[0021] Further preferably, the receiving substrate is arranged above the electrospinning nozzle.

[0022] Further preferably, the electrospinning nozzle realizes reciprocating motion with the electrode through a transmission device, the two ends of the electrode are respectively connected to the insulating box arranged on both sides of the transmission device, the electrode is connected to the positive pole of the high voltage generator, and the receiving substrate is connected to the negative pole of the high voltage generator and grounded.

[0023] Further preferably, the voltage range of the high voltage generator is -20kV-150kV.

[0024] Further preferably, the electrode is a spiral screw electrode, and the spiral screw is a metal screw.

[0025] Further preferably, the distance between the electrospinning nozzle and the receiving substrate is 1 to 50 cm, so that the spinning solution on the spiral screw electrode can be effectively ejected onto the receiving substrate under the action of the electric field.

[0026] Preferably, the electrospinning nozzle is arranged on a supporting side plate, and the supporting side plate is connected to a transmission device.

[0027] Further preferably, the electrospinning nozzle is arranged on the upper top plate of the supporting side plate.

[0028] Preferably, the supporting side plate is slidably connected to the movable slide rail.

[0029] Preferably, the transmission device includes a servo motor and a driving source.

[0030] Further preferably, the driving source is used to power the servo motor. After the servo motor is powered on, it drives the supporting side plate to move horizontally back and forth on the slide rail through the reducer, thereby driving the electrospinning nozzle to move back and forth on the slide rail to achieve relative reciprocating motion with the electrode.

[0031] Preferably, the electrospinning nozzle comprises a metal core nozzle, which is fixed in an insulating shell by an upper cover; a liquid storage cavity is arranged inside the electrospinning nozzle, and a liquid inlet is arranged at the front end, which is connected to the liquid storage cavity; inner wire holes are arranged on the two side walls of the liquid storage cavity, and outer wire holes are arranged on the insulating shell, and the electrode passes through the metal core nozzle through the corresponding outer wire holes and inner wire holes.

[0032] Further preferably, the liquid storage cavity comprises a liquid inlet module, the liquid inlet module is a rectangular structure with a length of 5-40 mm, and liquid scraping baffles are respectively arranged on both sides of the liquid inlet, and the thickness of the liquid scraping baffles is 1-5 mm.

[0033] Further preferably, a liquid outlet is provided at the bottom of the electrospinning nozzle, and the excess solution entering the liquid storage chamber is scraped out by a scraping baffle and discharged from the liquid outlet.

[0034] Further preferably, a collecting tank is provided below the electrospinning area for recovering excess spinning solution discharged from the liquid outlet.

[0035] Further preferably, the electrospinning nozzle is a rectangular structure, the metal core nozzle is made of stainless steel, and the insulating shell is made of insulating material.

[0036] Further preferably, the insulating shell has a length of 20-100 mm, a width of 10-60 mm, and a wall thickness of 1-10 mm at the connection with the metal core nozzle.

[0037] Further preferably, the liquid storage cavity is a rectangular structure with a length of 10-50 mm, a width of 10-30 mm, a thickness of 1-5 mm, and a diameter of the threading hole of 1-10 mm.

[0038] Preferably, the electrospinning area is arranged in the equipment body, the equipment body is arranged on an equipment frame, and the equipment frame is installed and placed on the ground.

[0039] Preferably, a temperature sensor and a humidity sensor are also provided in the main body of the device for detecting changes in temperature and humidity in the electrospinning area in the main body of the device.

[0040] Preferably, an electric control cabinet is installed outside the main body of the equipment, and a PLC control panel is embedded in the electric control cabinet. The electric control cabinet is used to realize the start and stop and parameter setting of the exhaust gas treatment mechanism, dehumidifier and circulating water-cooled air-conditioning equipment.

[0041] Further preferably, the temperature sensor and humidity sensor can transmit the detected temperature and humidity change data of the electrospinning area to the PLC control panel, and then adjust the temperature and humidity of the equipment body by changing the relevant parameters of the circulating water-cooled air-conditioning equipment and the dehumidifier as needed.

[0042] The present invention also provides an operating method of the device for regulating the constant temperature and humidity of linear electrospinning and waste gas treatment. The temperature and humidity are preset through a PLC control panel, and the circulating water-cooled air-conditioning equipment inputs the temperature-controlled water flow into the dehumidifier by heating or cooling according to the preset temperature. The dehumidifier inhales air through a built-in fan, and the temperature-controlled water flow heats or cools the air entering the dehumidifier through heat transfer and humidifies the air at the same time. Then the dehumidifier dehumidifies the air according to the preset humidity to reach the preset temperature and humidity.

[0043] Compared with the prior art, the present invention has the following beneficial effects:

[0044] (1) The present invention solves the problem of the inability to accurately adjust the temperature and humidity in the existing electrospinning technology by installing a dehumidifier, a circulating water-cooled air-conditioning device, and an exhaust gas treatment mechanism.

[0045] (2) The present invention can be used in different forms of electrospinning devices to achieve temperature and humidity regulation.

[0046] (3) The present invention realizes water circulation by connecting the dehumidifier, the water tower, and the circulating water-cooled air-conditioning equipment through pipes, which is beneficial to saving water resources.

[0047] (4) The waste gas treatment mechanism of the present invention avoids environmental pollution caused by direct discharge of waste gas into the atmosphere and inhalation of waste gas by operators during operation.

[0048] (5) The pipeline passage arrangement in the present invention realizes the smooth control of the airflow, thereby achieving the purpose of continuous and uniform production of nanofibers by electrospinning, and further promoting the process of stabilization, scale and industrialization of electrospinning. BRIEF DESCRIPTION OF THE DRAWINGS

[0049] Figure 1 It is a schematic diagram of the internal structure of the present invention on the front side (arrows indicate the flow direction: circulating wind direction and water flow direction);

[0050] Figure 2 It is a schematic diagram of the back structure of the present invention;

[0051] Figure 3 is a schematic diagram of a porous plastic plate of the present invention;

[0052] Figure 4 is a left schematic view of the electrospinning area device of the present invention;

[0053] Figure 5 Schematic diagram of the electrospinning nozzle structure of the present invention (A is the main view, B is the left view);

[0054] Figure 6 It is an axonometric diagram of the overall structure of the present invention;

[0055] In the figure: 1-dehumidifier; 2-air outlet; 3-air intake; 4-exhaust gas treatment mechanism; 5-fan; 6-circulating water-cooled air-conditioning equipment; 7-first water outlet; 8-first water inlet; 9-water tower; 10-second water inlet; 11-second water outlet; 13-equipment frame; 14-equipment body; 15-electric control cabinet; 16-single-layer porous plastic plate; 17-porous; 18-electrode; 19-upper cover; 20-insulating shell; 21-movable slide rail; 22-support side plate; 23-transmission device; 24-metal core nozzle; 25-scraper baffle; 26-liquid inlet module; 27-liquid inlet; 28-liquid outlet; 29-external threading hole; 30-liquid storage chamber. DETAILED DESCRIPTION

[0056] The present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. This embodiment is implemented based on the technical solution of the present invention, and provides a detailed implementation method and specific operation process, but the protection scope of the present invention is not limited to the following embodiments.

[0057] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0058] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "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.

[0059] In the following implementation manners or examples, unless otherwise specified, functional components or structures are conventional components or conventional structures used in the art to achieve corresponding functions.

[0060] Example 1

[0061] A device for regulating constant temperature and humidity of linear electrospinning and treating waste gas, such as Figure 1 As shown, it includes a dehumidifier 1, a circulating water-cooled air-conditioning device 6, an exhaust gas treatment mechanism 4, and an electrostatic spinning area 12, wherein the dehumidifier 1 is used to adjust the humidity in the electrostatic spinning area 12, the circulating water-cooled air-conditioning device 6 is used in conjunction with the dehumidifier 1 to adjust the temperature of the electrostatic spinning area 12, and the exhaust gas treatment mechanism 4 is responsible for treating the exhaust gas generated in the electrostatic spinning area 12.

[0062] The circulating water-cooled air conditioning equipment 6 is connected to the dehumidifier 1 through the water tower 9 to achieve a synergistic effect of temperature and humidity control. The dehumidifier 1 is connected to the electrostatic spinning area 12 to ensure that the humidity in the area is effectively controlled. At the same time, the electrostatic spinning area 12 is connected to the exhaust gas treatment mechanism 4 to facilitate the timely treatment and discharge of the exhaust gas.

[0063] Example 2

[0064] A device for regulating constant temperature and humidity of linear electrospinning and treating waste gas, such as Figure 2-3 As shown, it includes an equipment frame 13 and an equipment body 14 . The equipment frame 13 is installed and placed on the ground, and the equipment body 14 is installed on the equipment frame 13 . An electrostatic spinning area 12 is arranged inside the equipment body 14 .

[0065] A dehumidifier 1 is arranged outside the equipment body 14. The energy consumption of the dehumidifier 1 is in accordance with the actual situation. The humidity adjustment range is 5%-95%, and the temperature adjustment range is 5-80°C. The air outlet 2 of the dehumidifier 1 is pre-buried and installed directly below the equipment body 14. The air outlet 2 is connected to the electrostatic spinning area 12.

[0066] The dehumidifier 1 is connected with the circulating water-cooled air-conditioning equipment 6 through the water tower 9. A second water inlet 10 is arranged on the upper left part of the water tower 9, a second water outlet 11 is arranged on the lower left part, a first water outlet 7 is arranged on the upper right part, and a first water inlet 8 is arranged on the lower right part. The dehumidifier 1 is connected with the water tower 9 through the second water inlet 10 and the second water outlet 11. The water tower 9 is connected with the circulating water-cooled air-conditioning equipment 6 through the first water inlet 8 and the first water outlet 7, and a water cycle is formed: the water of the water tower 9 enters the circulating water-cooled air-conditioning equipment 6 through the first water inlet 8. After the water flow passes through the circulating water-cooled air-conditioning equipment 6 and reaches the water temperature of the preset value, the temperature-controlled water is sent to the inside of the water tower 9 again through the first water outlet 7, and then the temperature-controlled water is sent to the dehumidifier 1 through the second water inlet 10. The water discharged from the dehumidifier 1 is sent back to the water tower 9 through the second water outlet 11, so as to realize the recycling of water.

[0067] It is assumed that the electrostatic spinning area 12 is connected to the exhaust gas treatment mechanism 4 through the air suction port 3, the air suction port 3 is arranged above the equipment body 14, and the air suction port 3 is directly connected to the exhaust gas treatment mechanism 4, and the exhaust gas generated by the electrostatic spinning area 12 is sent to the exhaust gas treatment mechanism 4. In this embodiment, the exhaust gas treatment mechanism 4 includes a spray tower and an exhaust gas absorption liquid, and the exhaust gas sucked through the air suction port 3 is fully contacted with the exhaust gas absorption liquid, and the exhaust gas is washed and discharged through the connected fan 5 to achieve exhaust gas purification.

[0068] In this embodiment, a single-layer porous plastic plate 16 is installed at the connection between the air inlet 3, the air outlet 2 and the device body 14. The single-layer porous plastic plate 16 is provided with a plurality of holes 17 to ensure uniformity and stability of air flow dispersion.

[0069] In this embodiment, the first water outlet 7, the first water inlet 8, the second water inlet 10, the second water outlet 11, the air suction port 3, and the air outlet 2 are made of plastic pipes and are corrosion-resistant. The first water outlet 7, the first water inlet 8, the second water outlet 11, and the second water inlet 10 select pipes with an inner diameter greater than 10 cm and an outer diameter less than 200 cm according to the amount of water. The air suction port 3 of the exhaust gas treatment mechanism 4 and the air outlet 2 of the dehumidifier 1 select air ducts with an inner diameter less than 80 cm and an outer diameter less than 500 cm according to the ventilation requirements, so as to ensure the stability of the air volume and make the air flow more stable.

[0070] In this embodiment, the dehumidifier 1, the exhaust gas treatment mechanism 4 and the circulating water-cooled air conditioning equipment 6 all operate independently, and are respectively used for different temperatures and humidity and exhaust gas treatment in the spinning environment, ensuring that the temperature and humidity can be accurately regulated and the working environment of the spinning area can be reasonably controlled.

[0071] A temperature sensor and a humidity sensor are provided in the equipment body 14 for detecting changes in temperature and humidity in the electrospinning area 12; an electric control cabinet 15 is also installed outside the equipment body 14, on which a PLC control panel is embedded. The PLC control panel can receive the real-time temperature and humidity in the electrospinning area 12 collected by the temperature sensor and the humidity sensor, and can also be used to realize the start and stop and parameter setting of the exhaust gas treatment mechanism 4, the dehumidifier 1 and the circulating water-cooled air-conditioning equipment 6.

[0072] The present invention can adjust the relevant parameters of the dehumidifier 1 and the circulating water-cooled air-conditioning equipment 6 through the control panel, thereby accurately adjusting the temperature and humidity in the electrospinning area 12.

[0073] The operating method of this embodiment is: the temperature and humidity are preset through the PLC control panel, and the circulating water-cooled air-conditioning equipment 6 inputs the temperature-controlled water flow into the dehumidifier 1 by heating or cooling according to the preset temperature. The dehumidifier 1 inhales air through the built-in fan, and the temperature-controlled water flow heats or cools the air entering the dehumidifier 1 through heat transfer and humidifies it at the same time. Then the dehumidifier 1 dehumidifies the air according to the preset humidity to reach the preset temperature and humidity.

[0074] Example 3

[0075] A device for regulating constant temperature and humidity of linear electrospinning and treating waste gas, such as Figure 4 As shown, on the basis of Example 2, an electrospinning nozzle is arranged in the electrospinning area 12, a receiving substrate is arranged above the electrospinning nozzle, and an electrode 18 is penetrated inside the electrospinning nozzle, and the electrospinning nozzle realizes reciprocating motion with the electrode 18 through a transmission device 23. The two ends of the electrode 18 are respectively connected to the insulating box arranged on both sides of the transmission device 23, the electrode 18 is connected to the positive electrode of the high-voltage generator, and the receiving substrate is connected to the negative electrode of the high-voltage generator and grounded. The front end of the electrospinning nozzle is provided with a liquid inlet 27, and the spinning solution enters the electrospinning nozzle through the liquid inlet 27, and then the electrode 18 is immersed in liquid, and the spinning solution on the electrode 18 is ejected onto the receiving substrate under the action of the high-voltage generator to form nanofibers.

[0076] Example 4

[0077] A device for regulating constant temperature and humidity of linear electrospinning and treating waste gas, such as Figure 5-6 As shown, on the basis of Example 3, the electrospinning nozzle is arranged on the supporting side plate 22, the supporting side plate 22 is connected to the transmission device 23, and the supporting side plate 22 is slidably connected to the movable slide rail 21.

[0078] In this embodiment, the transmission device 23 includes a driving source and a servo motor. The driving source is used to power the servo motor. After the servo motor is powered on, it drives the supporting side plate 22 to move horizontally back and forth on the movable slide rail 21 through the reducer, thereby driving the electrospinning nozzle to move back and forth on the movable slide rail 21, thereby realizing relative reciprocating motion with the electrode 18.

[0079] In this embodiment, the electrospinning nozzle includes a metal core nozzle 24, which is fixed in the insulating shell 20 through the upper cover 19; a liquid storage chamber 30 is arranged inside the metal core nozzle 24, and the liquid inlet 27 is connected to the liquid storage chamber 30. Internal threading holes are opened on the two side walls of the liquid storage chamber 30, and external threading holes 29 are arranged on the insulating shell 20. The electrode 18 passes through the corresponding internal threading hole and external threading hole 29 to pass through the metal core nozzle 24.

[0080] In this embodiment, the liquid storage chamber 30 includes a liquid inlet module 26 of rectangular structure, with a length of 5-40 mm, and scrapers 25 with a thickness of 1-5 mm are respectively provided on both sides of the liquid inlet module 26. A liquid outlet 28 is provided at the bottom of the electrospinning nozzle, and the excess solution entering the liquid storage chamber 30 is scraped out by the scraper 25 and discharged from the liquid outlet 28. A collecting tank is also provided below the electrospinning area for recovering the excess spinning solution discharged from the liquid outlet.

[0081] In this embodiment, the electrode 18 is a spiral screw electrode. The spiral screw is a metal screw with a spiral appearance. Each interval has a circle of sharp protrusions. The pitch is 0.1 to 8 mm, the middle diameter and the major diameter are 1 to 10 mm, and the diameter of the spiral screw is 1 to 10 mm, ensuring the uniformity of the jet.

[0082] In this embodiment, the electrospinning nozzle is a rectangular structure, the metal core nozzle 24 is made of stainless steel, and the insulating shell 20 is made of insulating material. The length of the insulating shell 20 is 20-100mm, the width is 10-60mm, and the wall thickness of the connection between it and the metal core nozzle 24 is 1-10mm. The liquid storage chamber 30 is a rectangular structure, with a length of 10-50mm, a width of 10-30mm, a thickness of 1-5mm, and a threading hole diameter of 1-10mm.

[0083] In this embodiment, there are several electrospinning nozzles.

[0084] In this embodiment, the voltage range of the high voltage generator is -20kV-150kV. The distance between the electrostatic spinning nozzle and the receiving substrate is 1-50cm, so that the spinning solution on the spiral screw electrode can effectively jet to the receiving substrate under the action of the electric field.

[0085] The above description of the embodiments is to facilitate the understanding and use of the invention by those skilled in the art. It is obvious that those skilled in the art can easily make various modifications to these embodiments and apply the general principles described herein to other embodiments without creative work. Therefore, the present invention is not limited to the above embodiments, and improvements and modifications made by those skilled in the art based on the disclosure of the present invention without departing from the scope of the present invention should be within the scope of protection of the present invention.

Claims

1. A device for regulating constant temperature and humidity and exhaust gas treatment for linear electrospinning, characterized in that: It comprises an electrospinning area (12), a dehumidifier (1) for regulating the humidity of the electrospinning area (12), a circulating water-cooling air conditioning device (6) for cooperating with the dehumidifier (1) to regulate the temperature of the electrospinning area (12), and an exhaust gas treatment mechanism (4) for treating exhaust gas in the electrospinning area (12); The circulating water-cooled air-conditioning equipment (6) is connected to the dehumidifier (1) via a water tower (9), the dehumidifier (1) is connected to the electrostatic spinning area (12), and the electrostatic spinning area (12) is connected to the waste gas treatment mechanism (4).

2. The device for regulating constant temperature and humidity and waste gas treatment of linear electrospinning according to claim 1, characterized in that: The circulating water-cooling air-conditioning equipment (6) is connected to the water tower (9) via a first water inlet (8) and a first water outlet (7); the water tower (9) is connected to the dehumidifier (1) via a second water inlet (10) and a second water outlet (11); the dehumidifier (1) is connected to the electrostatic spinning area (12) via an air outlet (2); the electrostatic spinning area (12) is connected to the exhaust gas treatment mechanism (4) via an air intake (3); and the exhaust gas treatment mechanism (4) is connected to the atmosphere via a fan (5).

3. The device for regulating constant temperature and humidity and waste gas treatment of linear electrospinning according to claim 2, characterized in that: A single-layer porous plastic plate (16) is installed at the connection between the air intake port (3), the waste gas treatment mechanism (4) and the electrostatic spinning area (12), and at the connection between the air outlet (2), the dehumidifier (1) and the electrostatic spinning area (12), and a plurality of holes (17) are provided on the single-layer porous plastic plate (16).

4. The device for regulating constant temperature and humidity and waste gas treatment of linear electrospinning according to claim 2, characterized in that: The first water outlet (7), the first water inlet (8), the second water inlet (10), the second water outlet (11), the air intake (3) and the air outlet (2) are made of plastic pipes and are corrosion-resistant.

5. The device for regulating constant temperature and humidity and waste gas treatment of linear electrospinning according to claim 1, characterized in that: The humidity adjustment range of the dehumidifier (1) is 5%-95%, and the temperature adjustment range is 5-80°C.

6. The device for regulating constant temperature and humidity and waste gas treatment of linear electrospinning according to claim 1, characterized in that: An electrospinning nozzle is arranged in the electrospinning area (12), and the electrospinning nozzle is penetrated by an electrode (18). The electrospinning nozzle realizes reciprocating motion with the electrode (18) through a transmission device (23). Then, the spinning liquid in the electrospinning nozzle is immersed in the electrode (18), and the spinning liquid on the electrode (18) is ejected onto a receiving substrate under the action of a high-voltage generator to form nanofibers.

7. The device for regulating constant temperature and humidity and waste gas treatment of linear electrospinning according to claim 6, characterized in that: The electrostatic spinning nozzle comprises a metal core nozzle (24), and the metal core nozzle (24) is fixed in an insulating shell (20) through an upper cover (19); a liquid storage chamber (30) is arranged inside the electrostatic spinning nozzle, and a liquid inlet (27) is arranged at the front end, and the liquid inlet (27) is connected to the liquid storage chamber (30); inner threading holes are arranged on the two side walls of the liquid storage chamber (30), and an outer threading hole (29) is arranged on the insulating shell (20); the electrode (18) passes through the metal core nozzle (24) through the corresponding outer threading hole (29) and the inner threading hole.

8. The device for regulating constant temperature and humidity and waste gas treatment of linear electrospinning according to claim 1, characterized in that: The electrostatic spinning area (12) is arranged in a device body (14), the device body (14) is arranged on a device frame (13), and the device frame (13) is installed and placed on the ground.

9. The device for regulating constant temperature and humidity and waste gas treatment of linear electrospinning according to claim 1, characterized in that: An electric control cabinet (15) is installed outside the equipment body (14), and a PLC control panel is embedded in the electric control cabinet (15). The electric control cabinet is used to realize the start and stop and parameter setting of the exhaust gas treatment mechanism (4), the dehumidifier (1) and the circulating water-cooled air-conditioning equipment (6).

10. A method for operating the device for regulating constant temperature and humidity and waste gas treatment of linear electrospinning as claimed in any one of claims 1 to 9, characterized in that: The temperature and humidity are preset through the PLC control panel, and the circulating water-cooling air conditioning device (6) inputs the temperature-controlled water flow into the dehumidifier (1) by heating or cooling according to the preset temperature. The dehumidifier (1) inhales air through the built-in fan, and the temperature-controlled water flow heats or cools the air entering the dehumidifier (1) through heat transfer and humidifies the air at the same time. Then, the dehumidifier (1) dehumidifies the air according to the preset humidity to reach the preset temperature and humidity.

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