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Novel material for mash pump

A new type of material, mash technology, applied in the field of pump materials, can solve problems such as poor performance, short service life, and poor economic benefits, and achieve the effects of improving corrosion resistance and wear resistance, improving mechanical properties, and increasing service life

Inactive Publication Date: 2021-11-12
靖江市中信特种机械泵阀厂
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The mash pump made of ordinary carbon steel has poor performance in terms of wear resistance and corrosion resistance, has a short service life, and does not meet the relevant food hygiene requirements, while the mash pump made of stainless steel is relatively The mash pump made of ordinary carbon steel has improved wear resistance and corrosion resistance, and its average service life has reached about twice that of carbon steel mash pumps, but its production cost is relatively high, and the overall cost It is equivalent to 4 to 5 times of the carbon steel mash pump, so the economic benefit is poor

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Prepare a new type of mash pump material, the chemical composition percentage content of the new type of material is: C: 0.50wt%, Ni: 4.0wt%, Cr: 17.0wt%, Mo: 1.9wt%, Co: 0.4wt% %, P: 0.02wt%, S: 0.02wt%, and the balance is Fe.

[0015] After the preparation was completed, the mechanical property data of the novel material were measured by sampling, as shown in Example 1 in Table 1.

Embodiment 2

[0017] Prepare a new type of mash pump material, the chemical composition percentage content of the new type of material is: C: 0.50wt%, Ni: 5.0wt%, Cr: 13.0wt%, Mo: 2.0wt%, Co: 0.5wt% %, P: 0.01wt%, S: 0.01wt%, and the balance is Fe.

[0018] After the preparation was completed, the mechanical property data of the novel material were measured by sampling, as shown in Example 2 in Table 1.

Embodiment 3

[0020] Prepare a new type of mash pump material, the chemical composition percentage content of the new type of material is: C: 0.55wt%, Ni: 6.0wt%, Cr: 09.0wt%, Mo: 2.1wt%, Co: 0.6wt% %, P: 0.03wt%, S: 0.03wt%, and the balance is Fe.

[0021] After the preparation was completed, the mechanical property data of the novel material were sampled and measured, as shown in Example 3 in Table 1.

[0022] In addition, the mechanical performance data measured by the current mash pump made of carbon steel and the mash pump made of stainless steel are taken as a comparison reference, see the carbon steel and stainless steel in Table 1 for details. The main component of carbon steel is Fe, of which the carbon content is 0.8-1.2wt%, while the main component of stainless steel is Fe, and the content of other elements is as follows: C: 0.30-0.80wt%; Ni: 9.0-11.0wt%, Cr: 18.0- 20.0 wt%.

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PUM

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Abstract

The invention discloses a novel material for a mash pump. The novel material comprises the following chemical components including, by weight, 0.45% to 0.55% of C, 4.0% to 6.0% of Ni, 17.0% to 09.0% of Cr, 1.9% to 2.1% of Mo, 0.4% to 0.6% of Co, less than or equal to 0.03% of P, less than or equal to 0.03% of S and the balance Fe. According to the novel material for the mash pump, on the basis of reducing the cost, the wear resistance and the corrosion resistance of the mash pump are greatly improved, the service life of the mash pump is prolonged, and the economic benefit is improved.

Description

technical field [0001] The invention relates to the technical field of pump materials, in particular to a novel material for a mash pump. Background technique [0002] Mash pump, which is mainly used to obtain liquid after fermentation (this type of liquid includes fermentation products, fermentation culture liquid and some intermediate products), which mainly refers to a waste residue or waste liquid left after fermentation of raw materials in the fermentation industry This kind of delivery pump, since it is in direct contact with such substances, under the influence of the use environment, the wear resistance and corrosion resistance required by the pump body are relatively high. [0003] The currently used mash pump preparation materials are mainly divided into two types, one is ordinary carbon steel material; the other is stainless steel material. The mash pump made of ordinary carbon steel has poor performance in terms of wear resistance and corrosion resistance, has a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C38/52C22C38/44
CPCC22C38/52C22C38/44C22C38/002
Inventor 徐忠章薛信财
Owner 靖江市中信特种机械泵阀厂
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