Device and method for drying metal-based porous gel film

A gel film and drying technology, which is applied in drying gas arrangement, lighting and heating equipment, local stirring dryer, etc., can solve the problems of high efficiency and low energy consumption, achieve high efficiency, low energy consumption, and improve drying efficiency Effect

Active Publication Date: 2016-11-16
WESTERN BAODE TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The equipment has low energy consumption, high efficiency, and easy control, and can effectively solve the problem of drying and cracking of porous ceramic membranes prepared on the surface of metal supports based on the sol-gel method, especially for metal substrates with a thickness in the range of 25 μm to 70 μm. Drying and Cracking of Porous Gel Membranes

Method used

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  • Device and method for drying metal-based porous gel film

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Such as figure 1 As shown, the equipment for drying the metal-based porous gel membrane of the present invention includes a constant temperature heater 1 and a drying tank, and the drying tank includes a tank body 2-1 with an open top and a cover with a movable cover arranged on the tank body 2-1 2-2, the lower part of the tank body 2-1 is located in the constant temperature heater 1, the upper part of one side of the tank body 2-1 is provided with a feed port, and the lower part of the other side of the tank body 2-1 is opened There is a discharge port, the feed port is connected to the first communication port of the three-way pipe fitting 8, the second communication port of the three-way pipe fitting 8 is connected to the heating tank 3, and the third communication port of the three-way pipe fitting 8 It is connected with the heater 5, the heater 5 is connected with the inert gas bottle 4, the discharge port is connected with the transfer pump 7, and the transfer pum...

Embodiment 2

[0041] combine figure 1 , the present embodiment utilizes the method for drying the metal-based porous gel membrane as described in Example 1, comprising the following steps:

[0042] Step 1. First, under the condition that the first valve 9-1, the second valve 9-2 and the third valve 9-3 are all closed, feed the heat transfer medium into the constant temperature heater 1, and then open the cover 2-2 Put the metal-based porous gel membrane into the tank 2-1, cover the lid 2-2, and use the heat transfer medium in the constant temperature heater 1 to heat the metal-based porous gel membrane to a constant temperature of 35°C, and then open Cover 2-2, add solvent A to tank 2-1, cover cover 2-2, make solvent A replace the original solvent remaining in the metal-based porous gel membrane, and the replacement time is 20min; the solvent A is a mixed solution, which is uniformly mixed with ethanol by any one or more of kerosene, diesel oil, glycerin, stearic acid, polyethylene glycol ...

Embodiment 3

[0045] combine figure 1 , the present embodiment utilizes the method for drying the metal-based porous gel membrane as described in Example 1, comprising the following steps:

[0046] Step 1. First, under the condition that the first valve 9-1, the second valve 9-2 and the third valve 9-3 are all closed, feed the heat transfer medium into the constant temperature heater 1, and then open the cover 2-2 Put the metal-based porous gel membrane into the tank 2-1, cover the lid 2-2, and use the heat transfer medium in the constant temperature heater 1 to heat the metal-based porous gel membrane to a constant temperature of 35°C, and then open Cover 2-2, add solvent A to tank 2-1, cover cover 2-2, make solvent A replace the original solvent remaining in the metal-based porous gel membrane, and the replacement time is 30min; the solvent A is a mixed solution, which is uniformly mixed with ethanol by any one or more of kerosene, diesel oil, glycerol, stearic acid, polyethylene glycol ...

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Abstract

The invention provides a device for drying a metal-based porous gel film. The device comprises a constant-temperature heater and a drying tank. The drying tank comprises a tank body with the top open and a cover body movably covering the tank body, and the lower portion of the tank body is located in the constant-temperature heater. A feed inlet is formed in the upper portion of one side of the tank body, and a discharge outlet is formed in the lower portion of the other side of the tank body. The feed inlet is connected with a first communication port of a tee tube, a second communication port of the tee tube is connected with a heating tank, and a third communication port of the tee tube is connected with a heater which is connected with an inert gas bottle. The discharge outlet is connected with a delivery pump which is connected with a liquid storage tank. The invention further provides a method for drying the metal-based porous gel film. According to the device and method, energy consumption is low, efficiency is high, control is easy, and the dry-crack problem of porous ceramic films prepared on the surfaces of metal carriers on the basis of a sol-gel method can be effectively solved.

Description

technical field [0001] The invention belongs to the technical field of membrane material drying, and in particular relates to equipment and a method for drying metal-based porous gel membranes. Background technique [0002] Since the 1950s, membrane separation technology has gradually been commercialized, and membranes of various pore sizes, various forms, and various uses have emerged. As an advanced technology, membrane separation has an increasing impact on separation, purification, and environmental protection. Countries have invested a lot of manpower and funds in the research and development of membranes. The porous ceramic membrane on the surface of the metal carrier has the characteristics of high reliability, weldability, high temperature resistance, corrosion resistance, good heat dissipation and good thermal shock resistance, and is widely used as a high-precision filter material in the food, petrochemical and other industries. catalyst carrier, etc. In the proc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F26B21/10F26B23/00F26B9/06F28C3/04F28C3/06B01D69/10B01D71/02B01D67/00
CPCB01D67/0048B01D69/10B01D71/02F26B9/06F26B21/10F26B23/00F28C3/04F28C3/06
Inventor 李荣刘荣臻南海娟吴引江
Owner WESTERN BAODE TECH CO LTD
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