A closed weighing and feeding device and its application method

A feeding device and a closed technology, which is applied in the field of closed weighing and feeding devices, can solve the problems of dust entry, pollution, and low conveying efficiency, and achieve the effect of improving efficiency and achieving airtightness

Active Publication Date: 2021-04-13
NANJING TAOHENG IND TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Therefore, the transportation of powder and granular materials has become mechanized, and powder transportation devices have appeared, and weight sensors for weighing powder quality have been installed, but most of the transportation devices are not sealed, which will lead to accidents. The entry of dust into the environment, causing pollution
And it needs to be transported directly after each weighing, and then carry out the second weighing after the completion of the transport, so repeated results in low transport efficiency

Method used

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  • A closed weighing and feeding device and its application method
  • A closed weighing and feeding device and its application method
  • A closed weighing and feeding device and its application method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] like figure 1 As shown, a closed-type weighing and feeding device includes, from top to bottom, a feed bin 1 , a weighing bin 3 , a first delivery pipeline 5 and a second delivery pipeline 7 . A first valve 2 is provided between the silo 1 and the weighing silo 3 , and the first valve 2 is used to control the discharge of materials in the silo 1 . A second valve 4 is provided between the weighing bin 3 and the first conveying pipeline 5 , and the second valve is used to control the discharge of materials in the weighing bin 3 . A third valve 6 is provided between the first delivery pipeline 5 and the second delivery pipeline 7 , and the third valve 6 is used to control the discharge of the material in the first delivery pipeline 5 .

[0051] The first valve 2 is used to connect the silo 1 and the weighing silo 3 to ensure the tightness between the silo 1 and the weighing silo 3, and the third valve 6 is used to connect the first conveying pipeline 5 and the second The...

Embodiment 2

[0064] In Example 1, it is not difficult to see that after the material is weighed, the first-level transmission and the second-level transmission are realized, and in order to realize the complementary interference between the first-level transmission and the second-level transmission, the second valve 4 and the third The valve 6 realizes mutual restriction. However, the existing valves will cause material loss when discharging, that is, some materials remain on the valve, especially the weighed powder, which will reduce the weight of the transported materials and cause large errors.

[0065] For this reason, the inventor has designed a kind of valve that does not affect the material weight that matches with it. Firstly, the structures of the first valve 2, the second valve 4 and the third valve 6 are the same. Here, the first valve 2 is taken as an example, such as Figures 4 to 5 shown. Said one valve comprises: a valve body 201, a triangular blade 202 equidistantly hing...

Embodiment 3

[0071] In Embodiment 1 and Embodiment 2, the improvement of sealing and valves has realized the transportation of the material after weighing and ensuring no loss of quality, but if the general material is placed in the bin 1 for too long, or if it is wet It is a reunion, which will also affect the weighing of the weighing chamber 3.

[0072] Because if the weighing bin 3 directly weighs the wet material, then in the process of transmission, because the work of the conveying components causes the airflow inside the conveying pipeline to generate, and the wet material will volatilize, the actual material weight and weighing The quality obtained in bin 3 is different, and when the wet material passes through the conveying pipeline, it will also bond, so that the material cannot be completely conveyed, and the weight will deviate again.

[0073] Therefore, the inventor wants to pretreat the material by breaking up and drying before weighing, so as to avoid errors caused by humidi...

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Abstract

The invention discloses a closed weighing feeding device and a use method thereof, which belong to the technical field of feeding devices. It includes: a silo, a first valve installed at the bottom of the silo, a weighing silo arranged under the silo and communicated with the silo, a second valve installed at the bottom of the weighing silo Valves, the first conveying pipeline arranged below the weighing chamber, the third valve installed at the bottom of the first conveying pipe away from the end of the weighing chamber, the second conveying pipe arranged below the third valve A delivery pipeline, and a delivery assembly installed inside the first delivery pipeline and the second delivery pipeline. The invention realizes the sealing of the feeding conveying device, and avoids the influence of the dust in the external environment on the purity of the material during the process of weighing and conveying, and the present invention realizes the sealing of the feeding device through the valves at different nodes and the middle of the multi-level conveying components. Mutual adjustment realizes conveying and weighing at the same time, improving efficiency.

Description

technical field [0001] The invention belongs to the technical field of cutting and feeding devices, and in particular relates to a closed-type weighing and feeding device and a usage method thereof. Background technique [0002] At present, powder conveying methods are widely used in rubber, chemical, energy, food and other fields. The specific products can be light dry powders such as metal powder, ceramic powder, alumina, protein powder, flour, etc. The materials are stirred and mixed. At present, most of them are carried out by manual operation, which is labor-intensive, time-consuming and labor-intensive, with large measurement errors and dust pollution. [0003] For the conveying and metering of powder and granular materials, there are mainly two types of metering devices, volumetric and gravimetric, according to the metering principle. According to the continuity of conveying metering, there are mainly two types: batch and continuous. [0004] Therefore, the transpor...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65G65/00B65G65/46
CPCB65G65/005B65G65/46
Inventor 李鹏林
Owner NANJING TAOHENG IND TECH CO LTD
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