Plate type falling film evaporator
A falling film evaporator and plate type technology, applied in the field of plate type falling film evaporators, can solve the problems of increasing equipment investment, shortening service life, large floor space, etc., to improve space utilization, prolong service life, and reduce land occupation. area effect
Inactive Publication Date: 2012-01-11
JIANGSU HUAJI ENVIRONMENTAL PROTECTION EQUIP CO LTD
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Problems solved by technology
During use, when the inlet steam flow rate reaches 40 m / s, this middle steam inlet method will produce lateral push on the end plate and cause destructive force on the end plate
In addition, the plate type falling film evaporator with the above structure, when the plates are combined to a certain number, will produce obvious deformation due to many welding stresses, which will affect the quality of the plate type falling film evaporator and shorten the service life
Therefore, the current plate-type falling film evaporators are all small and medium-sized. In the actual application process, multiple sets of evaporators are used to complete large production tasks, which not only increases equipment investment, but also requires a large area. area
Method used
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[0014] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0015] Such as figure 2 , image 3 As shown, the plate type falling film evaporator of the present invention includes: a housing 1, a pair of evaporating assemblies 2 are arranged in the housing 1, each evaporating assembly 2 includes an evaporating cylinder 3, and the outer side of each evaporating cylinder 3 A steam inlet is provided, and the steam inlet is connected to the steam inlet channel 4 pierced in the housing 1; the angle between the steam inlets of the evaporation cylinder 3 in the pair of evaporation assemblies 2 is 180 degrees, so that the two The steam inlet direction of the two steam inlets is opposite.
[0016] Such as Figure 4 As shown, four sets of evaporation components 2 are arranged in the housing 1, and the evaporation cylinders 3 in the four sets of evaporation components 2 are arranged in a "field"-shaped structur...
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The invention discloses a plate type failing film evaporator which can prevent generating transverse thrust to a tail-end plate. The plate type falling film evaporator comprises a housing, wherein at least one pair of evaporation components are arranged in the housing, each evaporation component comprises an evaporation cylinder body, a steam inlet is arranged on the outer side of each evaporation cylinder body, and each steam inlet is connected with a steam inlet channel which is arranged in the housing by penetration. By adopting steam inlet structures on the two sides, a steam flow can be prevented from generating the transverse thrust to the tail-end plate, thereby avoiding generating destructive force to the tail-end plate and prolonging the service life of the whole plate type falling film evaporator.
Description
technical field [0001] The present invention relates to a falling film evaporator, in particular to a plate type falling film evaporator. Background technique [0002] Such as figure 1 As shown, the structure of the current plate-type falling film evaporator includes: a cylinder body 1, a pair of evaporation assemblies are usually arranged in the cylinder body 1, each evaporation assembly includes an evaporation cylinder body 3, and the cylinder body 1 is also worn A steam inlet channel 4 is provided, and a pair of evaporation cylinders 3 are symmetrically distributed on both sides thereof. During use, when the inlet steam flow rate reaches 40 m / s, this middle way of steam inlet will generate lateral push to the end plate and cause destructive force to the end plate. In addition, the plate type falling film evaporator with the above structure, when the plates are combined to a certain number, will produce obvious deformation due to many welding stresses, which will affect ...
Claims
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IPC IPC(8): B01D1/00B01D1/22
Inventor 王宝龙沈滨
Owner JIANGSU HUAJI ENVIRONMENTAL PROTECTION EQUIP CO LTD