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Evaporator based on air-flow cleaning

An evaporator and cleaning technology, which is applied in the direction of evaporator accessories, evaporation, and cleaning heat transfer devices, etc., can solve the problems of the influence of the work efficiency of the heat exchanger evaporator and the flow efficiency of the heat exchange fluid in the heat exchanger, and achieve efficiency improvement Effect

Active Publication Date: 2016-03-16
NANJING ARGOTECH NEW ENERGY MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During the working process of the existing evaporator, the heat inside the evaporator is maintained through the conduction between the internal heat exchanger and the external heat source medium. However, when the above-mentioned heat exchanger performs heat exchange for a long time, its internal The hot liquid is easy to form dirt inside the heat exchanger. When the dirt is too thick, it will affect the flow efficiency of the heat exchange fluid inside the heat exchanger, causing the overall work efficiency of the heat exchanger and even the evaporator to be affected.

Method used

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  • Evaporator based on air-flow cleaning
  • Evaporator based on air-flow cleaning

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] like figure 1 and figure 2 Shown is an evaporator based on airflow cleaning, which includes an evaporator shell 1, a material inlet 2 and a steam outlet 3 are arranged on the evaporator shell 1, and a heat exchange device is arranged inside the evaporator shell 1. device; the steam outlet 3 communicates with the steam collection chamber 4; Parallel heat exchange pipes 7, the liquid distribution pipe 5 is connected to the hot liquid tank 8 arranged outside the evaporator shell 1; the side end surface of the liquid collection pipe 6 is provided with a cleaning pipe 9, one end of which is connected to the liquid collection Inside the pipe 6, the other end communicates with the air compressor 10 arranged outside the evaporator shell 1; the connecting end of the cleaning pipe 9 and the liquid collecting pipe 6 is provided with a solenoid valve.

[0018] As an improvement of the present invention, the cleaning pipeline 9 communicates with the liquid collecting pipe 6 throu...

Embodiment 2

[0022] As an improvement of the present invention, in the communication pipe 11, the height of its intersecting end with the liquid collecting pipe 6 is higher than the height of its intersecting end with the cleaning pipe 9; the inside of the cleaning pipe 9 is provided with a filter Net 12, in the cleaning pipeline 9, the corresponding position of the filter screen 12 and the opposite end surface of the communication pipeline 11 is provided with a dirt collection tank 13, and a sewage outlet is arranged in the dirt collection tank 13. With the above design, when the clean pipe absorbs the dirt detached from the inside of the heat exchange pipe, the dirt will automatically slide out along the inclined direction of the connecting pipe, and the dirt will be blocked in the dirt collection tank by the setting of the filter screen and the dirt collection tank , to prevent it from entering the air compressor and affecting the equipment; at the same time, the setting of the sewage ou...

Embodiment 3

[0025] As an improvement of the present invention, the pipe wall of the communication pipe is made of heat insulating material. By adopting the above-mentioned design, it can avoid the high temperature of the heat exchanger from causing damage to the communicating pipes.

[0026] The remaining features and advantages of this embodiment are the same as those of Embodiment 2.

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Abstract

The invention discloses an evaporator based on air-flow cleaning. The evaporator based on air-flow cleaning comprises an evaporator shell, and the evaporator shell is inside provided with a heat exchanger; the heat exchanger comprises a liquid distribution pipe and a liquid collection pipe which are mutually parallel, multiple mutually-parallel heat-exchanging pipes are arranged between the liquid distribution pipe and the liquid collection pipe, and the liquid distribution pipe is communicated with a hot liquid tank arranged outside of the evaporator shell; and one side end face of the liquid collection pipe is provided with a cleaning pipe, one end of the cleaning pipe is communicated into the liquid collection pipe, and the other end of the cleaning pipe is communicated with an air compressor arranged outside of the evaporator shell. By employing the evaporator based on air-flow cleaning in the above technical scheme, a high-speed air flow is conveyed by the multiple heat-exchanging pipes in the heat exchanger through the air compressor and the cleaning pipe, so that dirt adhered to the interior of the heat-exchanging pipes falls off from the walls of the heat-exchanging pipes, and influence of too thick scale formed in the evaporator on the heat exchanging performance is prevented after the evaporator is used for a long time.

Description

technical field [0001] The invention relates to chemical equipment, in particular to an evaporator based on airflow cleaning. Background technique [0002] The evaporator is one of the commonly used equipment in the chemical production process. The evaporator is used to vaporize the liquid part for subsequent distillation. During the working process of the existing evaporator, the heat inside the evaporator is maintained through the conduction between the internal heat exchanger and the external heat source medium. However, when the above-mentioned heat exchanger performs heat exchange for a long time, its internal The hot liquid is easy to form dirt inside the heat exchanger. When the dirt is too thick, it will affect the flow efficiency of the heat exchange fluid inside the heat exchanger, which will affect the overall work efficiency of the heat exchanger and even the evaporator. Contents of the invention [0003] The technical problem to be solved by the present inven...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D1/00B01D1/30F28G1/16
CPCB01D1/0041B01D1/30F28G1/163
Inventor 郑春宁何波徐昕
Owner NANJING ARGOTECH NEW ENERGY MATERIALS