Evaporator capable of realizing spiral cleaning under action of surge power
An evaporator and spiral technology, which is applied in the field of surge power spiral cleaning evaporator, can solve the problems of prolonging the cleaning cycle, frequent periodic shutdown for cleaning, etc.
Active Publication Date: 2017-02-08
浙江建装工程技术研究有限公司
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Problems solved by technology
Even after adopting such a high energy consumption circulating pump, it only prolongs the cleaning cycle compared with the natural circulation evaporator, and still needs frequent periodic parking for cleaning
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[0018] In order to illustrate the technical solution of the present invention more clearly, the technical solution of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. Obviously, the following descriptions are only some embodiments of the present invention. In other words, other embodiments can also be obtained according to these embodiments without paying creative efforts.
[0019] Combine below figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 , the patent of the present invention is described in further detail. A surge power spiral cleaning evaporator, the main components include evaporation chamber 1, heating chamber 6, heating pipe 5, spiral wheel 3, steel wire spiral 4, T-shaped shaft 10, conical spring 9, and spring frame 8.
[0020] The spiral wheel 3 is installed on the nozzle position on the heating tube 5 as the surge power head for the automatic cleaning of dirt by the steel wir...
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Abstract
The invention discloses an evaporator capable of realizing spiral cleaning under the action of surge power. According to the invention, a spiral wheel is used as a surge power head for automatic dirt cleaning of a steel wire screw; and dynamic surge pressure in an evaporating chamber and the impulsion force of rapid two-phase flow at the port of a heating pipe co-act to drive the steel wire screw to carry out dirt cleaning motion in the form of up-and-down reciprocation, rotation and radial vibration. Periodic shutdown for cleaning is prevented, production power is greatly improved, and steam consumption per unit evaporated water is substantially reduced; since the radial vibration frequency of the steel wire screw is one magnitude order higher than up-and-down reciprocation and rotation, reciprocation and rotation circular motion relative to the surface of the inner wall of the heating pipe are vibration and salutatory movement instead of surface-sticking sliding; and radial vibration only exerts slight vibration contact force on the inner wall of the heating pipe, so engineering wearing between the steel wire screw and the surface of the inner wall of the heating pipe can be efficiently avoided. The evaporator capable of realizing spiral cleaning under the action of surge power is applicable to automatic cleaning of a natural-circulation evaporator and can save energy and increase yield and efficiency.
Description
technical field [0001] A surge power spiral cleaning evaporator patented by the invention relates to the automatic cleaning of the dirt inside the heating tube of the natural circulation evaporator and the enhanced heat transfer and energy saving inside the heating tube. It is mainly suitable for evaporators that are easy to grow dirt, especially crystallized salt scale, in the heating tube of the natural circulation evaporator. Background technique [0002] As we all know, the evaporator of salt solution is very easy to foul, especially the evaporator of high-salt wastewater with natural circulation. The flow rate of the natural circulation evaporator is low, and the heat transfer efficiency is lower after the scale grows in the heating tube. Therefore, the traditional solution is to use the forced circulation of a high-power and high-energy-consuming circulation pump to greatly speed up the circulation flow rate of the solution in the heating tube and delay the scaling sp...
Claims
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IPC IPC(8): B01D1/00B01D1/06B01D1/12B01D1/30C02F1/04B08B9/049
CPCB01D1/00B01D1/06B01D1/12B01D1/30B08B9/049C02F1/048C02F2303/14
Inventor 俞天翔俞天兰吴金香俞秀民张治坤蒋少青刘桂英卿德藩彭徳其冯修燕
Owner 浙江建装工程技术研究有限公司