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A molecular sieve production device

A production device and molecular sieve technology, applied in molecular sieve compounds, molecular sieves and alkali exchange compounds, inorganic chemistry, etc., can solve problems such as difficulty in discharging materials from production devices, affecting subsequent material ratios, kneader motor failures, etc., to reduce manual labor , convenient real-time monitoring and adjustment, and the effect of prolonging the service life

Active Publication Date: 2021-07-20
MAYAIR TECH (CHINA) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the existing molecular sieve production equipment has problems such as relying on skilled workers, time-consuming and laborious labor, uneven product size, high degree of unreliability, unstable product performance, and high scrap rate caused by untimely detection.
During the current production and preparation of molecular sieves, due to real-time changes in the viscosity of materials, material jams in relatively sticky and dry parts are prone to cause kneader motor failure, which in turn leads to downtime and delays; Moreover, it is also difficult to discharge the material in the production device. Operators need to use tools to transfer the molecular sieve. The production process is extremely unsafe, and accidents such as being involved in the kneader are prone to occur.
The tank with high-viscosity molecular sieve slurry is prone to stubborn scale, which affects the subsequent material ratio and promotes corrosion and aging of equipment. Each batch of production needs to be cleaned manually, which takes up a lot of production time

Method used

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  • A molecular sieve production device
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Examples

Experimental program
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Effect test

Embodiment 1

[0036] Such as figure 1 As shown, it is a structural schematic diagram of a molecular sieve production device provided by an embodiment of the present invention, including a raw material storage tank 100, a sieving instrument 200, a buffer tank 300, a mixing tank 400, a kneader 500, an extruder 600, a hot box 700, Oven 800, finished product tank 900, detection device 1000, control system 1100 and corresponding connecting pipelines and circuits.

[0037] The bottom of the raw material storage tank 100 transmits the material to the sieving apparatus 200 through the pipeline 1200 containing the pump. The upper side of the screen of the sieving apparatus 200 is connected with a telescopic rod, and the cover can be opened for inspection and maintenance through the telescopic rod. The lower end of the sieve mesh of the sieving apparatus 200 transmits the sieved material to the buffer tank 300 through the pump pipeline 1300 . The end of the buffer tank 300 away from the pump-contain...

Embodiment 2

[0067] Based on the structural schematic diagram of a molecular sieve production device in Example 1, this embodiment provides a method for preparing a molecular sieve, the steps of which include the following:

[0068] Step 1): Put the powder raw material into the raw material storage tank, and transfer it to the sieving machine to screen out the uniform powder with the required particle size.

[0069] Step 2): Collect the uniform powder obtained in the above step 1 in a buffer tank.

[0070] Step 3): Transfer the powder collected in the above step 2 to a mixing tank, and mix with high speed shearing to obtain fine powder.

[0071] Step 4): Mix the fine powder obtained in the above step 3 with the liquid material in a kneader to obtain a viscous material.

[0072] Step 5): extruding the viscous material obtained in the above step 4 through an extruder.

[0073] Step 6): Simultaneously dry and cut the molding material obtained in the above step 5 into a semi-dry product of t...

Embodiment 3

[0087] A kind of molecular sieve production device based on above embodiment 1, the method for Y-type molecular sieve production is provided, comprises the following steps:

[0088] Step 1): 100 parts of Y-type molecular sieve, 8 parts of stearate, 2 parts of plant powder, 0.7 part of F-127, Cu(NO 3 ) 2 Put 0.5 part into the raw material storage tank, and transfer to the sieving machine to screen out the uniform powder with the required particle size.

[0089] Step 2): The uniform powder is collected in the buffer tank.

[0090] Step 3): In the mixing tank, the blades are sheared at a speed of 4000 rpm to obtain fine powder.

[0091] Step 4): Mix the refined powder with 15 parts of methanol, 170 parts of ethanol, and 2 parts of OP-10 in a kneader. The kneading rod rotates at 120 rpm and kneads at room temperature for 1.5 h to obtain a relatively dilute material. After passing through the second kneader The temperature was raised to 75°C, the rotational speed of the kneadin...

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Abstract

The invention discloses a molecular sieve production device, which comprises a raw material storage tank, a sieving instrument, a buffer tank, a mixing tank, a kneader, an extruder, a hot cutting box, an oven, a finished product tank, a detection device, a control system and corresponding connections pipeline. The device of the invention has the advantages of high degree of automation, simple operation, safety and controllability, and diversified molding types, can automatically generate detection reports, realize high-precision comprehensive central control, and is suitable for automatic large-scale production of molecular sieve molding. The raw materials are put into the raw material storage tank, and the uniform fine powder is obtained through the sieving machine, the buffer tank, and the mixing tank, which are mixed with the liquid material in the kneader and extruded into shape. The sintering in the medium can obtain the shaped molecular sieve with the set microscopic appearance, function and appearance, and the molecular sieve prepared by using the device of the present invention has regular shape, high strength, excellent and stable adsorption performance.

Description

technical field [0001] The invention relates to a molecular sieve production device, which is suitable for engineering molding preparation of porous materials and belongs to the technical field of material molding. Background technique [0002] Molecular sieve is a new type of adsorbent developed in the 1970s, which is composed of artificially synthesized hydrated aluminosilicate or natural zeolite with the function of screening molecules. Its general chemical formula is (M′2M)O·Al 2 o 3 · xSiO 2 ·yH 2 O, M', M are monovalent and divalent cations such as K + 、Na + and Ca 2+ 、Ba 2+ Wait. Molecular sieves have uniform channels and neat pores, and molecular sieves with different pore sizes are composed of different Si / Al ratios. Its models are: 3A (potassium A type), 4A (sodium A type), 5A (calcium A type), 10Z (calcium Z type), 13Z (sodium Z type), Y (sodium Y type), sodium mordenite type Wait. Molecular sieves have high thermal stability, selective adsorption and e...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01B37/00C01B39/00
CPCC01B37/00C01B39/00
Inventor 胡佳怡冯伟豪陈玲叶伟强
Owner MAYAIR TECH (CHINA) CO LTD
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