How to complete the new production line with solvent recovery? The key is to plan synchronously with the production line: lock the emission point, air volume and solvent variety in the process layout stage, and reserve the site, pipeline and public works conditions of the recovery unit, so that the recovery system can be used synchronously when the production line is put into production. It is not impossible to build up after the event, but it is often limited by the site, pipeline routing and parking window, and the cost is obviously higher.
The discharge point and air volume are determined by the production line process: the discharge characteristics of each link of feeding, drying, cleaning, storage and transportation are different. If the design stage is missed, it will be replenished. How to add the collection cover and how to go the pipeline must be accommodated to the current situation, and the tightness and recovery rate will be discounted. Synchronous planning can also arrange the recycling pipeline of recovered solvent together with storage and transportation to form a closed loop.
The survey follows three lines: confirm the emission source, concentration and fluctuation portrait point by point on the process line; Check the available site, pipeline route and utility power conditions of the recovery unit on the general plan; The operation side understands the shift system, load curve and shutdown window. The survey produces a list of points and condition minutes as the basic input for the scheme design.
The scheme configures the collection and processing unit point by point according to the survey list, produces the process flow, plane layout and equipment list, and aligns the interface with the production line designer of the enterprise and then freezes the conditions into manufacturing. The progress node in the manufacturing stage is matched with the production line construction plan, and pre-inspection is completed before leaving the factory to reduce on-site rework. See the following table for the main work and cooperation items of each stage:
| Phase | Main responsibilities | Enterprise cooperation matters |
|---|---|---|
| On-site investigation | Point list, air volume concentration portrait, condition summary | Open the site and provide process data |
| Scheme design | Process, arrangement, equipment list and interface confirmation | Align production line design and freezing conditions |
| Manufacturing and Transportation | Equipment manufacturing, pre-factory inspection and delivery | Node pair table and receiving site arrangement |
| Installation and commissioning | Installation, stand-alone and linkage commissioning, air volume balance | Water and electricity connection, commissioning materials and personnel |
It's not too late, but the sooner the window is, the better. As long as the pipeline route and site have not been sealed, exploration and design can be carried out in parallel. If the civil construction has been completed, the adaptation design should be made according to the current situation, and the construction period and cost should be increased accordingly.
According to the concentration and air volume portrait of the emission point, and reserve space for subsequent small expansion of the production line; The capacity would rather leave room, but it is not the larger the better, too large to lead to low load operation but affect the stability of the working condition.
The installation and debugging of the recovery system itself shall not occupy the construction period of the production line as far as possible. For nodes connected with the production line and interlocked with the production line, it is necessary to stop the production line for a short time and arrange them into the plan of both parties in advance.
LuoyangWohong PetrochemicalEquipment Co., Ltd. provides one-stop service for exploration, design, manufacture, installation and commissioning of solvent recovery supporting the new production line. Welcome to contact and exchange.
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