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A negative pressure sieve equipment for the preparation of concrete composite admixture

A composite admixture and concrete technology, which is applied in the direction of sieving, separating solids from solids with airflow, solid separation, etc., to achieve the effects of not easy to leak, ensure the working environment, and facilitate screening

Inactive Publication Date: 2021-12-21
安徽水地建设工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] There is no matching negative pressure screening equipment for the preparation of the high-strength concrete composite admixture

Method used

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  • A negative pressure sieve equipment for the preparation of concrete composite admixture
  • A negative pressure sieve equipment for the preparation of concrete composite admixture
  • A negative pressure sieve equipment for the preparation of concrete composite admixture

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Embodiment Construction

[0040] The following description serves to disclose the present invention to enable those skilled in the art to carry out the present invention. The preferred embodiments described below are only examples, and those skilled in the art can devise other obvious variations.

[0041] refer to image 3 Shown, a kind of negative pressure screen equipment for the preparation of concrete composite admixture includes:

[0042] Screening tank 1, the top and bottom end are respectively provided with the first feed port 1a and the first discharge port 1b, the top of the screening tank 1 is also provided with an air inlet pipe 1c for balancing internal and external pressure, the peripheral surface of the screening tank 1 There is also a miscellaneous outlet 1d for discharging large particle admixtures;

[0043] The inclined screw feeder 2 is arranged on one side of the screening tank 1 and the top is communicated with the first feeding port 1a;

[0044] The bulk material device 3, the w...

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Abstract

The invention relates to the field of building material processing equipment, in particular to a negative pressure screening equipment used for the preparation of concrete composite admixtures, comprising: a screening tank, the top and bottom of which are respectively provided with a first feed inlet and a first outlet The feed port, the top of the screening tank is also provided with an air inlet pipe, and the peripheral surface of the screening tank is also provided with a miscellaneous outlet for discharging large-volume admixtures; the inclined screw feeder is arranged on one side of the screening tank and the top is connected to the The first feed port is connected; the bulk feeder, the working end is set on the top inside the screening tank; the sieve plate is coaxially set in the screening tank and is located on the top of the working end of the bulk feeder; the multi-task rotary negative pressure device, the negative pressure part is inclined The downward coaxial setting is inside the screening tank and is located at the bottom of the sieve plate; the coaxial pusher is coaxially fixed on the top of the output shaft of the multi-function rotary negative pressure device, and the bottom end of the coaxial pusher slides with the top of the sieve plate Coordination; horizontal screw feeder, the feed end is connected with the discharge end, the device can screen admixtures in large quantities.

Description

technical field [0001] The invention relates to the field of building material processing equipment, in particular to a negative pressure screen equipment used for preparing concrete composite admixtures. Background technique [0002] At present, concrete with a strength grade of not less than C60 is generally called high-strength concrete in China. After building structures, it can greatly reduce the cross-sectional size, reduce the self-weight of the structure, and make the concrete structure lighter and more beautiful. However, high-strength concrete is brittle, has a large shrinkage, and has poor crack resistance. Therefore, in the application of high-strength concrete, improving its brittleness and crack resistance is a very important issue. [0003] In the production and preparation of high-strength concrete, the amount of cement is often high, the heat of hydration is large, and the temperature stress and self-shrinkage bring hidden dangers to the cracking of high-str...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B07B1/04B07B1/46B07B1/52B07B4/08B07B11/00B07B11/06
CPCB07B1/04B07B1/46B07B1/528B07B4/08B07B11/00B07B11/06
Inventor 王巧慧
Owner 安徽水地建设工程有限公司
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