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Special drying agent for vehicle braking air passage and production method

A vehicle brake and desiccant technology, applied in the direction of separation methods, chemical instruments and methods, and other chemical processes, can solve problems that affect the life of the brake system and rust on the metal surface, so as to avoid corrosion hazards and improve Adsorption capacity, long-term effective absorption effect

Inactive Publication Date: 2012-05-30
赵溶
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As we all know, chloride has a strong rust to metal, if it is used in the vehicle brake air system, it will cause the metal surface of the whole system to be rusty, seriously affecting the life of the brake system, leaving behind accident hazard

Method used

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  • Special drying agent for vehicle braking air passage and production method
  • Special drying agent for vehicle braking air passage and production method

Examples

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Effect test

Embodiment 1

[0043] As shown in Figure 1, the production method of the special desiccant for the vehicle brake air circuit of the present embodiment is calculated in parts by weight, and the process steps include:

[0044] Step 1: add 100 parts of sepiolite into water and stir to disperse, the purity of the selected sepiolite is greater than 60%, the ratio of parts by weight of sepiolite to water is 1:2 to 1:6, and the sepiolite is mixed After the liquid was stirred at a medium speed for one hour, an aqueous solution containing 1-5 parts of sodium hexametaphosphate was added;

[0045] Step 2: Let the mixed liquid settle for 24 hours, and then remove the lower layer of debris;

[0046] Step 3: Pass the obtained sepiolite slurry through a 325-mesh sieve;

[0047] Step 4: filter the sepiolite slurry through a filter press, and dry the solid obtained after the filter press;

[0048] Step 5: pulverize the dried product to 200 mesh;

[0049] Step 6: mix and granulate the sepiolite powder and ...

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Abstract

The invention discloses a special drying agent for a vehicle braking air passage, which comprises the following raw materials by weight parts through being metered by weight parts: 100 parts of sepiolite soil, 1 to 5 parts of sodium hexametahposphate, 0.5 to 1.5 parts of hydrochloric acid, 1 to 10 parts of bamboo charcoal and 1 to 10 parts of aluminium potassium sulfate. The special drying agent for the vehicle braking air passage and a production method of the invention use pure natural minerals as raw materials to carry out a series of processing and manufacture such as ore dressing, purification, modification and the like, the absorption capability of the special drying agent for the vehicle braking air passage is improved, at the same time, additives such as calcium chloride and the like are completely not added, and the invention avoids the occurrence of damage of rust corrosion generated by metals in the vehicle braking air passage. The invention has the advantages of strong absorption capability, low cost, convenient manufacture, no pollution on environment, safe use and the like.

Description

technical field [0001] The invention relates to a desiccant, in particular to a special desiccant for a vehicle brake air circuit and a production method. Background technique [0002] During the operation of the air brake system of a motor vehicle, the resulting accumulation of water in the gas path will cause corrosion of metal components, accelerated aging and cracking of rubber seals, and demulsification of lubricating grease when it encounters water. Numerous faults such as pipeline blockage occur thus and bury serious potential safety hazard at any time to the vehicle in motion. In order to solve this serious problem, a compressed air drying device is gradually added to the vehicle brake steam circuit at home and abroad to dry the compressed air to ensure the reliability and safety of the air brake system. A desiccant that can quickly absorb and desorb moisture in the air is placed in the compressed air drying device. Therefore, the reliability and safety of the vehi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J20/20B01J20/30B01D53/28
Inventor 李沧海赵溶
Owner 赵溶
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