CN-121992512-A - Automatic feeding device for polycrystalline alumina fiber spinning colloid preparation

CN121992512ACN 121992512 ACN121992512 ACN 121992512ACN-121992512-A

Abstract

The invention discloses an automatic feeding device for preparing a polycrystalline alumina fiber spinning colloid, which relates to the technical field of chemical material addition, and is characterized in that a first hopper is used for storing materials, a second hopper is used for adding the materials, the materials are divided into a plurality of feeding batches, the weight change before and after the materials are output by the first hopper and the weight change before and after the materials are input by the second hopper and before and after the materials are output by the second hopper are recorded each time before the last time, the total material addition error is obtained from the weight change before the last feeding, the total material addition amount of the last first hopper to the second hopper is calculated by combining the total material amount required to be added and the weight of the materials which are already added, the automatic feeding can be realized through a blanking switch and a blanking device, the error caused by manual operation is reduced, the raw material exposure time is short, the dust exposure and the environmental pollution are reduced, and the raw material addition weight can be controlled more accurately through repeated weighing and error feedback control, and the error range is reduced to the maximum extent.

Inventors

XU LEI
WANG YING
WANG YANFEI
DING QIANKUN
SUN SHIDONG
LUO CHENG
BAI YUNJIAN

Assignees

山东鲁科新材料有限公司

Dates

Publication Date: 20260508
Application Date: 20260408

Claims (10)

1. Automatic feeding device is used in preparation of polycrystalline alumina fiber spinning colloid, characterized by comprising: The automatic weighing device comprises a first hopper, a first discharging switch, a first weighing component and a first discharger, wherein the first discharging switch is arranged on the first hopper and is used for outputting materials to be added stored in the first hopper from a first discharge port, the first discharging switch is used for controlling the outlet state of the first discharge port, and the first weighing component is used for weighing the first hopper before and after outputting the materials and outputting first weighing information; The second hopper is used for receiving the materials output by the first hopper, the second discharging switch is used for opening or closing a second discharging hole of the second hopper, the second weighing component is used for detecting second weighing information of the second hopper before, after and after the materials are input, and the second discharging device is used for outputting the materials of the second hopper to production equipment through the second discharging hole; The error detection module is connected with the first weighing component and the second weighing component and is used for calculating a material weight error in single feeding in a feeding period according to the first weighing information and the second weighing information, wherein the material weight error comprises a first weight error and a second weight error, the first weight error is a difference value between a weight reduction value of the first hopper and a weight increase value of the second hopper, and the second weight error is a total amount difference value before and after the second hopper is fed; The last feeding module is connected with the error detection module and is used for obtaining the total feeding amount of the production equipment in the current period, obtaining the accumulated material weight error of the materials before the last feeding as an accumulated material weight error, obtaining the fed amount of the second hopper to the production equipment in the current period, continuously differencing the accumulated material weight error and the fed amount and outputting a difference value as the last material input amount of the first hopper to the second hopper.
2. The automatic feeding device for preparing the polycrystalline alumina fiber spinning colloid according to claim 1, further comprising an alarm connected with the error detection module, wherein the alarm is used for outputting the first weight error, the second weight error and alarm information and controlling the first blanking device or the second blanking device to stop blanking operation after the first weight error or the second weight error is detected to be larger than or equal to an error threshold value.
3. The automatic feeding device for preparing the polycrystalline alumina fiber spinning colloid according to claim 2, further comprising a data storage module connected with the error detection module and the last feeding module, wherein the data storage module is used for storing the first weighing information, the second weighing information, the weight reduction value, the weight increase value and the total difference value.
4. An automatic feeding device for preparing a polycrystalline alumina fiber spinning gel according to claim 3, further comprising a first lifting member provided at the first hopper for controlling the height of the first hopper.
5. The automatic feeding device for preparing the polycrystalline alumina fiber spinning colloid according to claim 4, further comprising a second lifting component arranged at the second hopper and a translation component arranged at the bottom of the second hopper, wherein the second lifting component is used for controlling the height of the second hopper, and the translation component is used for moving the horizontal position of the second hopper so that the second hopper moves between the first hopper and the production equipment.
6. The automatic feeding device for preparing the polycrystalline alumina fiber spinning colloid according to claim 5, further comprising a laser range finder arranged at the second hopper for detecting the distance between the second hopper, the first discharge port and the feeding inlet of the production equipment in the moving process of the second hopper through the translation part and the second lifting part.
7. The automatic feeding device for preparing the polycrystalline alumina fiber spinning colloid according to claim 6, further comprising a first control panel arranged on the first hopper and a second control panel arranged on the second hopper, wherein the first control panel is connected with the first blanking switch, the first weighing component, the first blanking device and the first lifting component, and the second control panel is connected with the second blanking switch, the second weighing component, the second blanking device, the translation component and the second lifting component.
8. The automatic feeding device for preparing the polycrystalline alumina fiber spinning colloid according to any one of claims 1 to 7, further comprising a display module connected with the error detection module, the first weighing component, the second weighing component and the last feeding module, and configured to display data generated in operation of the error detection module, the first weighing component, the second weighing component and the last feeding module.
9. The automatic feeding device for preparing the polycrystalline alumina fiber spinning colloid according to claim 8, wherein the first feeder and the second feeder are linear feeders or spiral feeders.
10. The automatic feeding device for preparing a polycrystalline alumina fiber spinning gel according to claim 9, further comprising a sealing cover provided at an inlet of the second hopper for performing a sealing operation on the second hopper during storage of the material.

Description

Automatic feeding device for polycrystalline alumina fiber spinning colloid preparation Technical Field The invention relates to the technical field of chemical material addition, in particular to an automatic feeding device for preparing a polycrystalline alumina fiber spinning colloid. Background The chemical component content of the polycrystalline alumina fiber spinning colloid is a key factor affecting the quality and physical properties of the polycrystalline alumina fiber and the product. The chemical composition of the polycrystalline alumina fiber spinning colloid has a very close relationship with the quality of the fiber. The chemical component content is one of core parameters of the polycrystalline alumina fiber spinning colloid, for example, lower or higher alumina content can cause the performance of the alumina fiber such as heating permanent line shrinkage, fiber strength, elasticity and the like to be poor. Currently, the existing mainstream charging mode is manual charging. The manual feeding mode has subjective errors, is difficult to ensure accurate feeding quantity, is high in feeding times, requires frequent operation of workers, is high in labor intensity, is easy to fatigue, affects working efficiency and accuracy, is easy to cause material leakage and environmental pollution, affects the health of operators, lacks data recording and analysis functions, and cannot monitor and optimize the production process in real time. Therefore, how to improve the accuracy of the chemical components of the spinning colloid and the quality of the alumina fiber and reduce the labor intensity of workers is one of the working key points of the technicians in the field. Disclosure of Invention The invention aims to provide an automatic feeding device for preparing a polycrystalline alumina fiber spinning colloid, which can more accurately and stably control the chemical component content of the spinning colloid and improve the quality stability of products. In order to solve the technical problems, the embodiment of the invention provides an automatic feeding device for preparing a polycrystalline alumina fiber spinning colloid, which comprises the following components: the first hopper, the first blanking switch arranged in the first hopper, the first weighing component and the first blanking device, wherein the first blanking device is used for outputting materials to be added stored in the first hopper from a first discharge port, the first blanking switch is used for controlling the outlet state of the first discharge port, and the first weighing component is used for weighing the first hopper before and after outputting the materials and outputting first weighing information; The second hopper is used for receiving materials output by the first hopper, the second discharging switch is used for opening or closing a second discharging hole of the second hopper, the second weighing component is used for detecting second weighing information of the second hopper before, after and after the materials are input, and the second discharging device is used for outputting the materials of the second hopper to production equipment through the second discharging hole; The error detection module is connected with the first weighing component and the second weighing component, is used for calculating the weight error of the materials in single feeding in one feeding period according to the first weighing information and the second weighing information, comprises a first weight error and a second weight error, wherein the first weight error is the difference value between the weight reduction value of the first hopper and the weight increase value of the second hopper, and the second weight error is the total amount difference value before and after the second hopper is fed; The last feeding module is connected with the error detection module and used for acquiring the total feeding amount of the production equipment in the current period, acquiring the accumulated material weight error of the material before the last feeding as the accumulated material weight error, acquiring the fed amount of the second hopper to the production equipment in the current period, continuously differencing the accumulated material weight error and the fed amount and outputting a difference value, and taking the accumulated material weight error and the fed amount as the last material input amount of the first hopper to the second hopper. The automatic feeding device further comprises an alarm connected with the error detection module and used for outputting the first weight error, the second weight error and alarm information and controlling the first feeder or the second feeder to stop feeding operation after the first weight error or the second weight error is detected to be larger than or equal to an error threshold value. The device further comprises a data storage module connected with the error detection module and the last