
Principle
Wet materials are fed continuously to the first drying layer on the top of the dryer.they will be turned and stirred by rakes when the rake arm rotates and flow through the surface of the drying plate along the exponerntial helical line.on the small drying plate they will be moved to its outer edge and drop down to the outer edge of the large drying plate underneath,and will be moved inward and drop down from its centrl hole to the small drying plate on the next layer.both small and large drying plates are arranged alternately so as materials can go through the whole dryer continuously.the heating media,which could be in forms of saturated steam,hot water or heat conducting oil will be led into hollow drying plates from one end to the other end of the dryer,the dried materials will drop from the last layer of the drying plate to the bottom layer of the shell body and will be moved by rakes to the discharge port,the moisture escapes from materials and will be removed from the moist discharge port on the top cover ,or sucked out by the vacuum pump on the top vocer for vacuum-type plate dryer.the dried materials discharged from the bottom layer can be packed directly.the drying capability can be faised up if equipped with supplementary devices such as finned heater.condenser for solvent retrieval.bag dust rnmover,return and mix mechanism for dried materials and drawing fan erc.solvent in those dried paste and heat sensitive materials can be easily retrieves ,and thermal decomposition and reaction can be also carried out.
Descriptions
PLG series continual plate dryer descriptions plate dryer is a kind of high effect conducting and continuoud drying Its unique stucture and opwrating pinciple determine that it has advantages of high heat effciency Low energy condumption small occupying area,simple configuartion ,easy operationg and control well as friendly operating environment etc. It can be windely used in drying process in fields of chemical industry . pharmaceutical industry, pharmaceuticals, agricultural chemicals,agricultulral chemicals, foodstuff , porcess of agricultural and sideline products etc,and is well received by various sectors in their practical usage .Now there are three big categons. Named normal pressure,closed andvacuum styles; four sizes of 1200 ,1500,2200and 3000and three kinds of materials,A(carbon steel),B(stainless steel used for those all pars where materials are contacted)and C(on the basis B add stainlss steel mateials for vaper pipes ,manshaft support,and stainless linings for cylinder body and top cover ),With a area being from 4 to 180 square meters ,now we have hundreds of mkdels of series products and various kinds of auxiliary devices available to meet requirement of drying materals for customers.
(1) Easy regulation and coutrol,stronjg adaptabiliy
Regulate tinckness of materials, speed of main shaft number of rake aem ,style of and sizes of rakes of rakes to make drying process be optimal .Each layer can be led thermal or cold media individually to heat or cold materials amd make temperaturs control accurately and easily .Dwelling time of materials can be accurately adjusted .
Single flowing direction of materals withut return flowing and stable qutality no re-mixing is needed .
(2) Easy and sinple operation
Start and stop of dryer is quite simple.
After materials are stopped feeding and conveying .they can be easily exhausted out of the dryer by rakes .
Careful cleaning and observation can be carred inside the equipment through large-scale viewing window.
(3) Low enery consumption
Thinner layer of mateials Low speed of main shaft,small poer and energy needed for convering of materials.
Dry by conducting heat so it has high heating efficiency and low energy consumpion .
(4) Friendly environment ,solvent can be retrieved and dust powder dischage can meet requirement .
Normal pressure style:as low sspeed of inside the equipment and moisture being high in upper part ,dust powder couldnt float to the top of the equipment ,so thereis almost no dust powder in tail gas discharged from the moist discharge port on the top .
Closed style:with solvent retrival device can retrieve organic solvent moist-carrier gas . The solvent retrieval device has simple structure and high retreval rate. and nitrogen can be used as moist-carrier gas in closed circulation for those subject to burning,explosion and oxidation ,and poisonous materials in order for xafe operation ,Espration ,Especially suitable for drying of flammmable , explosive and poisonous materials.
Vacuum style:if the plate dryer is operating under vacuum state, it is partcularly suitable for drying of heat sensitive materials.
(5) Easy installation and small occpying area
As the dryer is in a whole to leave the factory and to be transported,it is quite easy to install and fix in the location only by hoisting . As drying plates being arranged by layers and installed vertially, it takes a small occuqying area thoughdrying area is larger.

Technical Parameters |