Anti-lightning stroke electrolyte preparation process and anti-lightning stroke electrolyte preparation system

Abstract

The invention provides a preparation process of an anti-lightning electrolyte. The preparation process comprises the following steps: firstly, respectively pouring all components of electrolyte raw materials into corresponding auxiliary material tanks; quantitatively feeding ammonium dodecanedioate, ethylene glycol and the like into a mixing tank; after the raw materials enter the mixing tank, the external temperature controller supplies high-temperature air into the temperature control chamber, and meanwhile, the stirring unit is used for stirring; opening a gas source, introducing inert gas into the mixing tank, stirring, adding polyvinyl alcohol, and continuously stirring; p-nitrobenzyl alcohol, ammonium hypophosphite and ethylene glycol nano-silica sol are added into a mixing tank to be continuously stirred, so that the raw materials fully react to form electrolyte, and the electrolyte is output and stored; and finally, the mixing tank is cleaned and air-dried through the cleaning assembly, and next electrolyte preparation is carried out. After the scheme is adopted, the process is simple, the using effect is good, and secondary pollution can be effectively prevented.

Description

Technical Field

[0001] The invention relates to the technical field of aluminum electrolytic capacitors, and in particular to a lightning-resistant electrolyte preparation process and a system thereof. Background Art

[0002] Aluminum electrolytic capacitors are one of the basic components of electronic products. With the continuous improvement of the quality of electronic products and the expansion of the application range of aluminum electrolytic capacitors, higher requirements are placed on their performance. In the filter circuit, the capacitor is subjected to high voltage and high ripple current. If the power supply is unstable or overvoltage is applied, it can cause accidents such as capacitor damage, fire, and combustion. The electrolyte of the aluminum electrolytic capacitor is the actual cathode of the capacitor during the entire working process, which has an important influence on the performance of the capacitor. The electrolyte for high flash fire and lightning resistance aluminum electrolytic capacitors provided by application number 201510973330.3 has good electrochemical properties, high flash fire voltage and lightning resistance, but the various process steps in the production process are carried out separately. In this way, in the transfer process of each process, due to the large number of pipelines, reaction tanks, storage tanks, etc., each process will have the previous type of electrolyte left or adhered. The electrolyte adhered by the previous type is mixed with the electrolyte prepared by the latter type, which will cause serious secondary pollution to the electrolyte being prepared and cause uncontrollable quality problems to the electrolyte of the latter type. Summary of the invention

[0003] The purpose of the present invention is to overcome the deficiencies of the prior art and to provide a lightning strike resistant electrolyte preparation process and system which has simple process, good use effect and can effectively prevent secondary pollution.

[0004] To achieve the above object, the technical solution provided by the present invention is: a preparation process of a lightning-resistant electrolyte, the preparation process comprising the following steps: The first step: pour the raw materials of each component of the electrolyte into the corresponding auxiliary material tanks respectively; The second step: quantitatively feeding ammonium dodecanedioate, ethylene glycol, boric acid, ammonium sebacate, sorbitol and diethylene glycol butyl ether into a mixing tank; Step 3: After the raw materials enter the mixing tank, the external temperature controller supplies high-temperature air into the temperature control chamber to increase the temperature in the mixing tank, and the stirring unit stirs at the same time; Step 4: Open the gas source, connect the inert gas to the mixing tank, and continue stirring for 2-5 minutes; Step 5: Add polyvinyl alcohol and continue stirring for 3-5 minutes. The external thermostat cools the temperature control chamber. Step 6: Add p-nitrobenzyl alcohol, ammonium hypophosphite and ethylene glycol nano-silica sol into a mixing tank, continue stirring, cool the temperature in the mixing tank to room temperature, and allow the raw materials to fully react to form an electrolyte; Step 7: Output and store the electrolyte after the reaction is completed; Step 8: Clean and air-dry the mixing tank through the cleaning assembly and proceed to the next electrolyte preparation.

[0005] The components of the electrolyte are as follows: 1.5-2.5 parts of ammonium dodecanedioate, 0.8-1.2 parts of ammonium sebacate, 5-9 parts of sorbitol, 4-6 parts of diethylene glycol butyl ether, 1-2 parts of polyvinyl alcohol, 0.4-0.6 parts of p-nitrobenzyl alcohol, 0.1-0.3 parts of ammonium hypophosphite, 6-10 parts of ethylene glycol nano-silica sol, and 60-80 parts of ethylene glycol. A lightning strike resistant electrolyte preparation system includes a mixing tank, a hollow temperature control chamber is arranged in the wall of the mixing tank, the temperature control chamber is connected to an external temperature controller, a cleaning component is arranged in the mixing tank, a discharge three-way valve is arranged at the bottom of the mixing tank, one outlet of the discharge three-way valve is connected to a sewage pipe, and the other outlet is connected to a discharge pipe, and a stirring unit is arranged in the mixing tank.

[0006] The present invention adopts the above scheme, after pouring the various raw material components into a mixing tank, stirring and reacting are carried out through the mixing tank, and the three-way solenoid valve is controlled to achieve the separate injection of liquid and gas. After injection, the liquid blank is reacted, and the liquid blank after the reaction enters the finished product tank and is left to stand to form an anti-lightning electrolyte. The process after adopting this scheme is simple, the use effect is good, and secondary pollution can be effectively prevented. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0008] Figure 2 for Figure 1 An enlarged schematic diagram of point B.

[0009] Figure 3 for Figure 1 An enlarged schematic diagram of point A. DETAILED DESCRIPTION

[0010] The present invention will be further described below in conjunction with all the accompanying drawings. The preferred embodiments of the present invention are as follows: Figure 1 To Attachment Figure 3 The present embodiment provides a process for preparing a lightning strike resistant electrolyte, the process comprising the following steps: The first step: pour the raw materials of each component of the electrolyte into the corresponding auxiliary material tanks respectively; The second step: quantitatively feeding ammonium dodecanedioate, ethylene glycol, boric acid, ammonium sebacate, sorbitol and diethylene glycol butyl ether into a mixing tank; Step 3: After the raw materials enter the mixing tank, the external temperature controller supplies high-temperature air into the temperature control chamber to increase the temperature in the mixing tank, and the stirring unit stirs at the same time; Step 4: Open the gas source, connect the inert gas to the mixing tank, and continue stirring for 2-5 minutes; Step 5: Add polyvinyl alcohol and continue stirring for 3-5 minutes. The external thermostat cools the temperature control chamber. Step 6: Add p-nitrobenzyl alcohol, ammonium hypophosphite and ethylene glycol nano-silica sol into a mixing tank, continue stirring, cool the temperature in the mixing tank to room temperature, and allow the raw materials to fully react to form an electrolyte; Step 7: Output and store the electrolyte after the reaction is completed; Step 8: Clean and air-dry the mixing tank through the cleaning assembly and proceed to the next electrolyte preparation.

[0011] The components of the electrolyte are as follows: 1.5-2.5 parts of ammonium dodecanedioate, 0.8-1.2 parts of ammonium sebacate, 5-9 parts of sorbitol, 4-6 parts of diethylene glycol butyl ether, 1-2 parts of polyvinyl alcohol, 0.4-0.6 parts of p-nitrobenzyl alcohol, 0.1-0.3 parts of ammonium hypophosphite, 6-10 parts of ethylene glycol nano-silica sol, and 60-80 parts of ethylene glycol. A lightning strike resistant electrolyte preparation system includes a mixing tank 2, a hollow temperature control chamber is provided in the wall of the mixing tank 2, the temperature control chamber is connected to an external temperature controller, a cleaning component is provided in the mixing tank 2, a discharge three-way valve is provided at the bottom of the mixing tank 2, one outlet of the discharge three-way valve is connected to a sewage pipe, and the other outlet is connected to a discharge pipe 4, and a stirring unit is provided in the mixing tank 2.

[0012] The stirring unit includes an external stirring shaft 7 and a lifting cylinder 9, wherein a tank cover is buckled on the top of the mixing tank 2, and the lifting cylinder 9 is vertically installed on one side of the top of the tank cover. The piston rod of the lifting cylinder 9 is upwardly connected to one end of a flat frame 10, and a guide rod 11 is vertically fixed on the other side of the top of the tank cover. The top of the guide rod 11 passes through the flat frame 10 upward to form a guide end, and the outer stirring shaft 7 is installed at the bottom of the flat frame 10 through a bearing. The outer stirring shaft 7 is a hollow cylindrical body, and the lower part of the outer stirring shaft 7 passes through the tank cover downward and extends into the mixing tank 2, and stirring blades 26 are installed on the outer peripheral surface of the lower part of the extended end; the number of stirring blades 26 is greater than 3, and they are distributed in a spiral shape at the lower part of the outer stirring shaft 7; a stirring motor 12 is installed at the bottom of the flat frame 10, and an external stirring power gear 13 is installed on the transmission shaft of the stirring motor 12, and an external stirring driving gear 14 is installed on the upper part of the outer stirring shaft 7, and the external stirring power gear 13 is meshed with the external stirring driving gear 14.

[0013] The cleaning assembly includes a tank wall cleaning rod 15 and an inner stirring shaft 8, wherein the inner stirring shaft 8 is made of a hollow round tube, and the inner stirring shaft 8 is movably sleeved in the outer stirring shaft 7, and the top of the inner stirring shaft 8 passes upward through the flat frame 10 and is connected to the inner stirring driven gear 16, and a gear box 21 is installed on one side of the top of the flat frame 10, and the gear box 21 is driven by a corresponding motor, and an inner stirring driving gear 22 is installed on the output end of the gear box 21, and the inner stirring driving gear 22 is meshed with the inner stirring driven gear 16; the bottom of the inner stirring shaft 8 passes downward through the outer stirring shaft 7 and is connected to the inner stirring driven gear 16; The bottom scraper rod 17 is connected, and the bottom scraper rod 17 is horizontally installed at the bottom of the inner stirring shaft 8. The ends of the bottom scraper rod 17 are fixed with vertically upward tank wall cleaning rods 15, and the outer wall of the tank wall cleaning rod 15 is connected with a tank wall scraper 18; the bottom scraper rod 17 and the tank wall cleaning rod 15 are made of hollow round tubes or square tubes, and their ends are sealed by sealing plates. The inner cavity of the bottom scraper rod 17 is connected with the inner cavity of the tank wall cleaning rod 15, and the cavity at the bottom of the inner stirring shaft 8 is connected with the inner cavity of the bottom scraper rod 17; the rod wall of the tank wall cleaning rod 15 is provided with a cleaning hole 19 inclined downward from the inside to the outside.

[0014] After adopting the above scheme, the electrolyte raw materials are poured into the corresponding auxiliary material tanks respectively, and under the control of the external system, the corresponding mass parts of the raw materials in the auxiliary material tanks are input into the mixing tank; After the raw materials enter the mixing tank, the stirring motor drives the external stirring driving gear to rotate, and the external stirring driving gear drives the external stirring power gear to rotate. When the external stirring power gear rotates, it synchronously drives the external stirring shaft to rotate. When the external stirring shaft rotates, it drives the stirring blades to rotate synchronously to stir the raw materials in the mixing tank. When the external stirring shaft is stirring, the piston rod of the lifting cylinder performs telescopic movement, which synchronously drives the flat frame to move up and down. The flat frame synchronously drives the external stirring shaft, the internal stirring shaft and other components installed thereon to rise and fall. When the external stirring shaft is rising and falling, it stirs the raw materials at different positions in the mixing tank through the stirring blades; When the outer stirring shaft is stirring, the gear box is driven by the corresponding motor to operate, the output shaft of the gear box drives the inner stirring driving gear to rotate, the inner stirring driving gear drives the inner stirring driven gear to rotate, the inner stirring driven gear synchronously drives the inner stirring shaft to rotate, the inner stirring shaft drives the bottom scraper rod, the tank wall cleaning rod and the tank wall scraper to rotate synchronously, and the tank wall scraper is used to scrape the inner cavity wall of the mixing tank to prevent the raw materials from adhering to the inner cavity wall of the mixing tank; During stirring, the external system controls the three-way solenoid valve to close the liquid inlet, open the gas inlet, and connect the inert gas through the external gas source. After the inert gas enters the mixing tank, it reacts with the raw materials to form a liquid blank. After the reaction is completed, the discharge outlet of the discharge three-way valve is controlled to open, and the liquid blank after the reaction is completed enters the finished product tank through the discharge pipe to stand to form an electrolyte; After the raw materials in the mixing tank are discharged, the discharge outlet of the three-way valve is closed, the gas inlet of the three-way solenoid valve is closed, the liquid flow controller is closed, the inlet of the liquid supply pipe is opened, and the cleaning liquid is supplied through the liquid pump; the cleaning liquid enters the cavity of the inner stirring shaft through the mixing pipe, and then enters the inner cavity of the bottom scraper rod and the inner cavity of the tank wall cleaning rod in turn, and finally sprays out from the cleaning hole; During cleaning, the gear box is driven by the corresponding motor to operate, the output shaft of the gear box drives the internal stirring active gear to rotate, the internal stirring active gear drives the internal stirring driven gear to rotate, the internal stirring driven gear synchronously drives the internal stirring shaft to rotate, the internal stirring shaft drives the bottom scraper rod, the tank wall cleaning rod, and the tank wall scraper to rotate synchronously, so that the cleaning liquid sprayed from the cleaning hole generates centrifugal force to be thrown to the inner wall of the mixing cylinder, forming an impact flow effect, and the tank wall scraper scrapes and washes the inner wall of the mixing cylinder while rotating; the mixing tank of this scheme integrates mixing, stirring, heating, reaction, and cleaning, eliminating the risk of secondary pollution, and its process is simpler, and can form automated production through external system control.

[0015] The embodiments described above are only preferred embodiments of the present invention and are not intended to limit the scope of implementation of the present invention. Therefore, all changes made according to the shape and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A process for preparing a lightning-resistant electrolyte, characterized in that: The preparation process comprises the following steps: The first step: pour the raw materials of each component of the electrolyte into the corresponding auxiliary material tanks respectively; The second step: quantitatively feeding ammonium dodecanedioate, ethylene glycol, boric acid, ammonium sebacate, sorbitol and diethylene glycol butyl ether into a mixing tank; Step 3: After the raw materials enter the mixing tank, the external temperature controller supplies high-temperature air into the temperature control chamber to increase the temperature in the mixing tank, and the stirring unit stirs at the same time; Step 4: Open the gas source, connect the inert gas to the mixing tank, and continue stirring for 2-5 minutes; Step 5: Add polyvinyl alcohol and continue stirring for 3-5 minutes. The external thermostat cools the temperature control chamber. Step 6: Add p-nitrobenzyl alcohol, ammonium hypophosphite and ethylene glycol nano-silica sol into a mixing tank, continue stirring, cool the temperature in the mixing tank to room temperature, and allow the raw materials to fully react to form an electrolyte; Step 7: Output and store the electrolyte after the reaction is completed; Step 8: Clean and air-dry the mixing tank through the cleaning assembly and proceed to the next electrolyte preparation.

2. The process for preparing a lightning strike resistant electrolyte according to claim 1, characterized in that: The components of the electrolyte are as follows: 1.5-2.5 parts of ammonium dodecanedioate, 0.8-1.2 parts of ammonium sebacate, 5-9 parts of sorbitol, 4-6 parts of diethylene glycol butyl ether, 1-2 parts of polyvinyl alcohol, 0.4-0.6 parts of p-nitrobenzyl alcohol, 0.1-0.3 parts of ammonium hypophosphite, 6-10 parts of ethylene glycol nano-silica sol, and 60-80 parts of ethylene glycol.

3. A lightning protection electrolyte preparation system, characterized in that: It comprises a mixing tank (2), wherein a hollow temperature control chamber is provided in the tank wall of the mixing tank (2), the temperature control chamber is connected to an external temperature controller, a cleaning component is provided in the mixing tank (2), a three-way discharge valve is provided at the bottom of the mixing tank (2), one outlet of the three-way discharge valve is connected to a sewage discharge pipe, and the other outlet is connected to a discharge pipe (4), and a stirring unit is provided in the mixing tank (2).

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