阅读说明：本技术 一种制药菌渣干化动态自调系统及控制方法 (Pharmaceutical fungi residue drying dynamic self-regulating system and control method ) 是由 张雷 靳晔 贾英新 刘申 李欣 张震 高林鹤 于 2019-10-21 设计创作，主要内容包括：本发明公开一种制药菌渣干化动态自调系统及控制方法,包括：上料输送单元、TSP主机功率调节单元、固气分离单元、回料输送单元、出料控制单元、湿度检测单元。所述上料输送单元根据物料湿度控制上料速度；所述TSP主机功率调节单元根据上料速度、物料湿度及悬浮颗粒浓度调节主机功率；所述固气分离单元根据物料悬浮颗粒浓度控制分离速度；所述回料输送单元根据固气分离速度调节输送速度；所述出料控制单元根据物料湿度控制出料机出料速度；所述湿度检测单元通过湿度传感器实时检测湿度。本发明可控制循环干化物料悬浮颗粒浓度,避免了悬浮物因浓度过高产生粘壁、结疤或因浓度过低浪费能耗等现象,提高了菌渣干化效率,降低了主机运行功耗。(The invention discloses a pharmaceutical mushroom residue drying dynamic self-regulating system and a control method, comprising the following steps: the system comprises a feeding conveying unit, a TSP host power adjusting unit, a solid-gas separating unit, a feed back conveying unit, a discharge control unit and a humidity detection unit. The feeding conveying unit controls the feeding speed according to the material humidity; the TSP host power adjusting unit adjusts the host power according to the feeding speed, the material humidity and the concentration of suspended particles; the solid-gas separation unit controls the separation speed according to the concentration of suspended particles of the material; the feed back conveying unit adjusts the conveying speed according to the solid-gas separation speed; the discharging control unit controls the discharging speed of the discharging machine according to the material humidity; the humidity detection unit detects humidity in real time through a humidity sensor. The invention can control the concentration of suspended particles of the circularly dried material, avoid the phenomena of wall adhesion, scabbing and energy consumption waste caused by overhigh concentration of suspended matters or overlow concentration and the like, improve the drying efficiency of the mushroom dregs and reduce the operation power consumption of the main machine.)

1. A pharmaceutical mushroom dreg drying dynamic self-adjusting system comprises: the system comprises a feeding conveying unit, a TSP host power adjusting unit, a solid-gas separating unit, a feed back conveying unit, a discharge control unit and a humidity detection unit. The feeding conveying unit controls the feeding speed according to the material humidity; the TSP host power adjusting unit adjusts the host power according to the feeding speed, the material humidity and the concentration of suspended particles; the solid-gas separation unit controls the separation speed according to the concentration of suspended particles of the material; the feed back conveying unit adjusts the conveying speed according to the solid-gas separation speed; the discharging control unit controls the discharging speed of the discharging machine according to the material humidity; the humidity detection unit detects humidity in real time through a humidity sensor.

Furthermore, the pharmaceutical mushroom residue drying dynamic self-adjusting system automatically adjusts the response time in real time to be less than or equal to 500 ms.

2. The infeed conveyor unit of claim 1, wherein the infeed conveyor unit delivers a small amount of material to the TSP main unit when the material is at a high moisture level, the TSP main unit current reaching a maximum current of 280A at which the suspended particle concentration is at a minimum. Along with the reduction of the material humidity, the material conveying speed of the feeding conveying unit is increased, the concentration of suspended particles is gradually increased, and the conveying speed of the feeding conveying unit and the material humidity are in a nonlinear inverse proportion relation.

3. The TSP main unit power conditioning unit of claim 1, wherein the main unit power of the TSP main unit power conditioning unit is adjusted to make the main unit current less than or equal to 280A by controlling the feeding speed of the feeding unit according to the material humidity and the material suspended particle concentration.

4. The solid-gas separation unit of claim 1, wherein the heavier and lighter material suspended particles are separated by controlling the conveying speed of the cyclone screw and the bag screw in the solid-gas separation unit according to the material suspended particle concentration.

5. The feed back conveying unit of claim 1, wherein the feed back speed is adjusted according to the speeds of the distribution screw and the cyclone screw of the solid-gas separation unit, and the feed back speed and the cyclone screw are in a nonlinear relationship.

6. The discharge control unit of claim 1, wherein the discharge machine is triggered to discharge when the material humidity is less than or equal to 20%.

7. The humidity detecting unit as claimed in claim 1, wherein the humidity sensor collects humidity data in real time to detect the humidity of the material in real time, so as to determine the drying condition of the material.

8. The pharmaceutical mushroom dreg drying control method as claimed in claim 1, which is characterized by comprising the following steps:

step one, TSP drying operation: after electrification, the feeding bin, the discharging bucket elevator, the main spiral, the cloth bag spiral and the cyclone spiral are sequentially and automatically opened, the material tee joint is placed at the middle bin position, and the feed back spiral is opened.

And step two, opening the TSP host: and detecting that the operation signals of the discharging bucket elevator, the main spiral, the cloth bag spiral and the cyclone spiral are normal, and starting the TSP host machine.

Step three, automatic feeding: and after the TSP host machine is started, the feeding belt conveyor is started to convey the materials squeezed by the filter press to the feeding bin, and the agents are added according to the accurate proportion.

Fourthly, circulating drying by TSP: and after the automatic feeding is finished, automatically starting the feeding conveyor, conveying the material in the feeding bin to the TSP host machine, and drying the suspended particles. After solid-gas separation, heavier particles enter the main screw through the cyclone screw, lighter particle materials enter the cloth bag for dust collection, the lighter particle materials enter the main screw through the cloth bag screw, and tail gas is discharged into a tail gas system by the induced draft fan for treatment. And other materials are lifted into the intermediate bin through the discharging hopper. And (5) sequentially and circularly operating until the humidity of the material is less than or equal to 20%, and finishing drying.

In the drying process: when the humidity of the material is more than 80%, the current of the TSP host reaches the maximum 280A, and the concentration of suspended particles of the material is controlled at 30g/m³The oxygen content is controlled below 6 percent; the material humidity is in the range of 80-50%, the TSP host machine current reaches the maximum 250A, and the material suspended particle concentration is controlled at 40g/m³The oxygen content is controlled below 5 percent; the material humidity is in the range of 50-20%, the TSP host machine current reaches 220A at maximum, and the material suspended particle concentration is controlled at 50g/m³The oxygen content is controlled to be 4% or less.

Fifthly, feeding materials into a material feeding bin: in the TSP circulating drying process, the intermediate bin is used as a material intermediate storage bin, so that the quantity of materials in the circulating drying system is ensured. And starting the TSP circulating drying system, automatically opening the intermediate bin and closing the feeding bin, and feeding materials to the feeding bin.

Sixth step, discharging finished products: and (3) controlling a material tee joint to close, feed back and convey the dried material, opening a discharge valve, and automatically starting a discharge machine to convey the dried material to a finished product bin.

And seventhly, protecting the design. When the TSP host computer breaks down or an operator clicks an emergency stop button of the host computer in the main picture, the feeding bin, the intermediate bin and the feeding belt conveyor are automatically stopped.

Technical Field

The invention relates to the technical field of pharmaceutical mushroom residue drying, in particular to a pharmaceutical mushroom residue drying dynamic self-regulating system and a control method.

Background

The fungus dreg drying is to dry the dregs generated by the biological pharmacy so as to reduce the content of water, and is convenient for transportation, storage or reuse. Because the temperature of the mushroom dregs is high, the humidity and the viscosity are high, the treatment is very difficult. The key point is the selection of drying process and equipment. According to different heat sources, the commonly used fungus dreg drying processes comprise four processes, namely a rotary direct-fired furnace, a steam drying cylinder, a heat-conducting oil furnace and a biological fermentation degradation method. The novel technology of VSFP-TSP combined deep drying treatment technology is just appeared at present, and is different from the traditional drying technology, no external heat source is needed, and the fungus residue is dried through a solid-gas separation multi-cycle technology. The efficiency is high, the dehydration rate is ideal, but the current automation degree is low, the process parameters can not be extracted and controlled in the production flow, the system can not realize the dynamic adjustment of the system, the manual judgment and operation of operators are excessively depended, the working intensity of the operators is high, and the requirements on experience and responsibility are high.

Disclosure of Invention

The invention aims to develop a pharmaceutical bacteria residue drying control algorithm and a control method. The concentration of the bacterial residue particle suspended solids formed by the TSP host machine is detected in real time, the frequency of the TSP host machine is adjusted in time, the situations that the suspended solids are too high and cause wall adhesion and scab and the like are avoided, or the phenomenon that the concentration is too low and energy consumption is wasted is avoided, a host machine control algorithm is determined through experiments, the drying efficiency is improved, and the running power consumption of the host machine is reduced. The control system adopts different processes according to different fungus residues, accurately acquires various data such as humidity of key stations of system operation, equipment operation state and the like, finally determines operation experience parameters by combining manual judgment, forms a control method of the operation system, realizes automatic operation of the system and reduces labor cost.

The invention is realized by the following technical scheme: a pharmaceutical mushroom dreg drying dynamic self-adjusting system comprises: the system comprises a feeding conveying unit, a TSP host power adjusting unit, a solid-gas separating unit, a feed back conveying unit, a discharge control unit and a humidity detection unit. The feeding conveying unit controls the feeding speed according to the material humidity; the TSP host power adjusting unit adjusts the host power according to the feeding speed, the material humidity and the concentration of suspended particles; the solid-gas separation unit controls the separation speed according to the concentration of suspended particles of the material; the feed back conveying unit adjusts the conveying speed according to the solid-gas separation speed; the discharging control unit controls the discharging speed of the discharging machine according to the material humidity; the humidity detection unit detects humidity in real time through a humidity sensor.

Preferably, the pharmaceutical mushroom residue drying dynamic self-adjusting system automatically adjusts the response time in real time to be less than or equal to 500 ms.

In certain embodiments, the loading conveyor unit delivers a small amount of material to the TSP mainframe when the material is humid, and the suspended particle concentration is at a minimum when the TSP mainframe current reaches a maximum current of 280A. Along with the reduction of the material humidity, the material conveying speed of the feeding conveying unit is increased, the concentration of suspended particles is gradually increased, and the conveying speed of the feeding conveying unit and the material humidity are in a nonlinear inverse proportion relation.

In some embodiments, the TSP main machine power adjusting unit controls the conveying speed of the feeding conveying unit according to the material humidity and the material suspended particle concentration, so as to adjust the main machine power of the TSP main machine power adjusting unit to enable the main machine current to be less than or equal to 280A.

In certain embodiments, the solid-gas separation unit separates heavier and lighter material suspended particles by controlling the conveying speed of the cyclone screw and the bag screw in the solid-gas separation unit according to the material suspended particle concentration.

In some embodiments, the feed back conveying unit adjusts the feed back speed according to the speeds of the distribution screw and the cyclone screw of the solid-gas separation unit, and the feed back speed and the cyclone screw are in a nonlinear relationship.

In certain embodiments, the outfeed control unit triggers the outfeed machine to outfeed when the material humidity is 20% or less.

In some embodiments, the humidity detection unit acquires humidity data in real time through the humidity sensor so as to detect the humidity of the material in real time and judge the drying condition of the material.

In some embodiments, a pharmaceutical mushroom dreg drying control method comprises the following steps:

step one, TSP drying operation: after electrification, the feeding bin, the discharging bucket elevator, the main spiral, the cloth bag spiral and the cyclone spiral are sequentially and automatically opened, the material tee joint is placed at the middle bin position, and the feed back spiral is opened.

And step two, opening the TSP host: and detecting that the operation signals of the discharging bucket elevator, the main spiral, the cloth bag spiral and the cyclone spiral are normal, and starting the TSP host machine.

Step three, automatic feeding: and after the TSP host machine is started, the feeding belt conveyor is started to convey the materials squeezed by the filter press to the feeding bin, and the agents are added according to the accurate proportion.

Fourthly, circulating drying by TSP: and after the automatic feeding is finished, automatically starting the feeding conveyor, conveying the material in the feeding bin to the TSP host machine, and drying the suspended particles. After solid-gas separation, heavier particles enter the main screw through the cyclone screw, lighter particle materials enter the cloth bag for dust collection, the lighter particle materials enter the main screw through the cloth bag screw, and tail gas is discharged into a tail gas system by the induced draft fan for treatment. And other materials are lifted into the intermediate bin through the discharging hopper. And (5) sequentially and circularly operating until the humidity of the material is less than or equal to 20%, and finishing drying.

In the drying process: when the humidity of the material is more than 80%, the current of the TSP host reaches the maximum 280A, and the concentration of suspended particles of the material is controlled at 30g/m³The oxygen content is controlled below 6 percent; the material humidity is in the range of 80-50%, the TSP host machine current reaches the maximum 250A, and the material suspended particle concentration is controlled at 40g/m³The oxygen content is controlled below 5 percent; the material humidity is in the range of 50-20%, the TSP host machine current reaches 220A at maximum, and the material suspended particle concentration is controlled at 50g/m³The oxygen content is controlled to be 4% or less.

Fifthly, feeding materials into a material feeding bin: in the TSP circulating drying process, the intermediate bin is used as a material intermediate storage bin, so that the quantity of materials in the circulating drying system is ensured. And starting the TSP circulating drying system, automatically opening the intermediate bin and closing the feeding bin, and feeding materials to the feeding bin.

Sixth step, discharging finished products: and (3) controlling a material tee joint to close, feed back and convey the dried material, opening a discharge valve, and automatically starting a discharge machine to convey the dried material to a finished product bin.

And seventhly, protecting the design. When the TSP host computer breaks down or an operator clicks an emergency stop button of the host computer in the main picture, the feeding bin, the intermediate bin and the feeding belt conveyor are automatically stopped.

The invention has the beneficial effects that: the control system controls the feeding amount according to the concentration of the suspended solids of the fungus dreg drying particles in the TSP host machine, so that the drying effect is optimal; the power of the TSP host is adjusted by detecting the humidity of the material, so that the drying time is reduced; the full-automatic control of the equipment is realized by establishing a special algorithm of the TSP host and a system circulating operation control method, so that the operation cost is reduced, and the operation efficiency is improved.

Drawings

Fig. 1 is a diagram of the dynamic self-tuning control of the present invention.

Fig. 2 is a flow chart of the control method of the present invention.

FIG. 3 is a block diagram of a drying process of the present invention.

Detailed Description

The invention is further described with reference to the following figures and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the scope of the invention.

As shown in fig. 1, the present embodiment provides a pharmaceutical mushroom residue anhydration dynamic self-regulation system, including: the system comprises a feeding conveying unit, a TSP host power adjusting unit, a solid-gas separating unit, a feed back conveying unit, a discharge control unit and a humidity detection unit.

In this embodiment, when the humidity of the material is high, the feeding and conveying unit conveys a small amount of material to the TSP main unit, and when the current of the TSP main unit reaches the maximum current 280A, the concentration of suspended particles is minimum. Along with the reduction of the material humidity, the material conveying speed of the feeding conveying unit is increased, the concentration of suspended particles is gradually increased, and the conveying speed of the feeding conveying unit and the material humidity are in a nonlinear inverse proportion relation.

In this embodiment, the TSP main unit power adjusting unit controls the conveying speed of the feeding conveying unit according to the material humidity and the material suspended particle concentration, so as to adjust the main unit power of the TSP main unit power adjusting unit, and make the main unit current less than or equal to 280A.

In this embodiment, the solid-gas separation unit separates heavier and lighter material suspended particles by controlling the conveying speeds of the cyclone screw and the bag screw in the solid-gas separation unit according to the concentration of the material suspended particles.

In this embodiment, the feed back conveying unit adjusts the feed back speed according to the speeds of the material distribution screw and the cyclone screw of the solid-gas separation unit, and the feed back speed and the cyclone screw are in a nonlinear relationship.

In this embodiment, when the humidity of the material is less than or equal to 20%, the discharging control unit triggers the discharging machine to discharge the material.

In this embodiment, the humidity detection unit acquires humidity data in real time through the humidity sensor, so as to detect the humidity of the material in real time and judge the drying condition of the material.

As shown in fig. 2 and fig. 3, the method for controlling drying of pharmaceutical dregs provided in this embodiment includes the following steps:

step one, TSP drying operation: after electrification, the feeding bin, the discharging bucket elevator, the main spiral, the cloth bag spiral and the cyclone spiral are sequentially and automatically opened, the material tee joint is placed at the middle bin position, and the feed back spiral is opened.

And step two, opening the TSP host: and detecting that the operation signals of the discharging bucket elevator, the main spiral, the cloth bag spiral and the cyclone spiral are normal, and starting the TSP host machine.

Step three, automatic feeding: after the TSP host machine is started, the feeding belt conveyor is started to convey materials squeezed by the filter press to the feeding bin, and the agents are added according to the accurate proportion.

Fourthly, circulating drying by TSP: and after the automatic feeding is finished, automatically starting the feeding conveyor, conveying the material in the feeding bin to the TSP host machine, and drying the suspended particles. After solid-gas differentiation control, heavier particles enter the main screw through the cyclone screw, lighter particle materials enter the cloth bag for dust collection, the lighter particle materials enter the main screw through the cloth bag screw, and tail gas is discharged into a tail gas system by the induced draft fan for treatment. And other materials are lifted into the intermediate bin through the discharging hopper. And (5) sequentially and circularly operating until the humidity of the material is less than or equal to 20%, and finishing drying.

In the drying process: when the humidity of the material is more than 80%, the current of the TSP host reaches the maximum 280A, and the concentration of suspended particles of the material is controlled at 30g/m³The oxygen content is controlled below 6 percent; the material humidity is in the range of 80-50%, the TSP host machine current reaches the maximum 250A, and the material suspended particle concentration is controlled at 40g/m³The oxygen content is controlled below 5 percent; the material humidity is in the range of 50-20%, the TSP host machine current reaches 220A at maximum, and the material suspended particle concentration is controlled at 50g/m³The oxygen content is controlled to be 4% or less.

Fifthly, feeding materials into a material feeding bin: in the TSP circulating drying process, the intermediate bin is used as a material intermediate storage bin, so that the quantity of materials in the circulating drying system is ensured. And starting the TSP circulating drying system, automatically opening the intermediate bin and closing the feeding bin, and feeding materials to the feeding bin.

Sixth step, discharging finished products: and (3) controlling a material tee joint to close, feed back and convey the dried material, opening a discharge valve, and automatically starting a discharge machine to convey the dried material to a finished product bin.

Step seven, protection design: when the TSP host computer breaks down or an operator clicks an emergency stop button of the host computer in the main picture, the feeding bin, the intermediate bin and the feeding belt conveyor are automatically stopped.