一、產(chǎn)品簡(jiǎn)介
該產(chǎn)品為常州東曦自動(dòng)化科技有限公司為適應市場(chǎng)需求而研發(fā)生產(chǎn)的定制產(chǎn)品。主要目的是為了解決當前中小型制備自動(dòng)化程度不高的問(wèn)題，實(shí)現完全自動(dòng)化操作，從而節省人力物力，向工業(yè)4.0邁進(jìn)。主要適用于DAC200及以下色譜柱。
前期本公司已經(jīng)對多家客戶(hù)的相關(guān)產(chǎn)品進(jìn)行了升級改造，并保持了良好的溝通，積累了一定的實(shí)際生產(chǎn)經(jīng)驗，為本產(chǎn)品的設計制造奠定了基礎。在設備運行過(guò)程中，客戶(hù)在肯定設備功能的基礎上，提出了諸多改進(jìn)意見(jiàn)，本公司根據客戶(hù)建議對設備進(jìn)行優(yōu)化設計，以滿(mǎn)足客戶(hù)工廠(chǎng)批量生產(chǎn)的要求。
二、系統組成
1、PLC控制系統及軟件
（1）能控制多臺泵進(jìn)行梯度洗脫（即泵能以任意流速任意比例運行，例如A泵從0%至100%同時(shí)B泵從100%至0%，但是總值為100%；或者A泵從17%至88%同時(shí)B泵從83%至12%，流速總和為設定流速之內任意數值），也可單獨控制每臺泵。
（2）根據預先設計好的工作模式進(jìn)行自動(dòng)進(jìn)樣、洗脫、收集工作，并可無(wú)限循環(huán)運行。
（3）控制進(jìn)樣泵精準進(jìn)樣。
（4）控制閥門(mén)進(jìn)行工作模式切換及收集。
（5）控制檢測器進(jìn)行信號收集及反饋，實(shí)現可根據時(shí)間及峰高進(jìn)行自動(dòng)切換收集。
2 溶劑泵。根據客戶(hù)實(shí)際需求選擇1臺或者多臺泵。
3 進(jìn)樣泵。根據客戶(hù)實(shí)際需求選擇，數量1臺，用于進(jìn)樣。
4 檢測器。根據客戶(hù)實(shí)際需求選擇。
5 收集系統。根據客戶(hù)實(shí)際需求選擇。與液體接觸部分材質(zhì)為316L、PTFE、POM或者PEEK。
6 工作模式切換閥。根據客戶(hù)實(shí)際需求選擇。與液體接觸部分材質(zhì)為316L，PTFE、POM或者PEEK。
7 裝柱專(zhuān)用手動(dòng)閥。兩位三通球閥3個(gè)，通徑4mm，耐壓10Mpa。與液體接觸部分材質(zhì)為316L，PTFE、POM或者PEEK。
8 在線(xiàn)過(guò)濾器。安裝在進(jìn)色譜柱之前。可以選裝1個(gè)或者多個(gè)。
9 框架及管路。框架為鋁型材拼接或者304焊接組裝框架。管路為無(wú)縫鋼管，材質(zhì)均為316L。
1. Product introduction
This product is a customized product developed and produced by Changzhou Dongxi Automation Technology Co., Ltd. to meet market demand. The main purpose is to solve the current problem of low degree of automation in small and medium-sized preparations, and to achieve fully automated operation, so as to save manpower and material resources and move towards Industry 4.0. It is mainly suitable for DAC200 and below columns.
In the early stage, the company has upgraded the related products of many customers, maintained good communication, accumulated certain practical production experience, and laid the foundation for the design and manufacture of this product. In the process of equipment operation, the customer on the basis of affirming the function of the equipment, put forward a lot of improvement suggestions, the company according to the customer's suggestions to optimize the design of the equipment to meet the requirements of the customer's factory mass production.
Second, the system composition
1. PLC control system and software
(1) It can control multiple pumps for gradient elution (that is, the pump can operate at any flow rate in any proportion, for example, pump A from 0% to 100% and pump B from 100% to 0%, but the total value is 100%; or pump A from 17% to 88% and pump B from 83% to 12%, the sum of the flow rates is any value within the set flow rate), and each pump can also be controlled separately.
(2) Automatic sampling, elution and collection are carried out according to the pre-designed working mode, and can be operated in infinite cycles.
(3) Control the injection pump to inject accurately.
(4) Control the valve to switch and collect the working mode.
(5) Control the detector for signal collection and feedback, and realize automatic switching and collection according to time and peak height.
2 Solvent pumps. Choose one or more pumps according to the actual needs of customers.
3 Injection pumps. According to the actual needs of customers, the quantity is 1 set, which is used for injection.
4 Detectors. Choose according to the actual needs of customers.
5 Collection system. Choose according to the actual needs of customers. The parts that come into contact with the liquid are made of 316L, PTFE, POM or PEEK.
6. Working mode switching valve. Choose according to the actual needs of customers. The material for contact with liquids is 316L, PTFE, POM or PEEK.
7. Special manual valve for column installation. There are 3 two-position three-way ball valves, with a diameter of 4mm and a pressure resistance of 10Mpa. The material for contact with liquids is 316L, PTFE, POM or PEEK.
8 Online filters. Installed before the incoming column. One or more can be optionally installed.
9 Frame and tubing. The frame is aluminum profile splicing or 304 welded assembly frame. The pipes are seamless steel pipes, and the materials are all 316L.
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