Automatic dimethyl ether cooling water control system

An automatic control system and control system technology, applied in the control/regulation system, non-electric variable control, simultaneous control of multiple variables, etc., can solve the problems of poor effect, low efficiency of cooling water temperature control, etc., to reduce dimethyl ether The effect of high content, stable top pressure and high water replenishment efficiency

Inactive Publication Date: 2014-01-15
XINNENG ZHANGJIAGANG ENERGY
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0005] The technical problem to be solved by the present invention is how to solve the problem of low water temperature control efficiency and poor effect of cooling water in the current dimethyl ether production process

Method used

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  • Automatic dimethyl ether cooling water control system

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Embodiment Construction

[0014] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0015] Such as figure 1 As shown, the dimethyl ether cooling water automatic control system in the present invention includes: a cooling pool 1, a liquid level sensor 3, a controller 4, a replenishing water pool 2 and a replenishing water pump 5, and the liquid level sensor 3 is located in the cooling pool 1, and the replenishing water The pool 2 is connected to the cooling pool 1 through a pipeline with a supplementary water pump 5 , and the controller 4 is connected to the liquid level sensor 3 and the supplementary water pump 5 for controlling the operation of the supplementary water pump 5 . The controller 4 can be a programmable controller, a single-chip microcompute...

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Abstract

The invention discloses an automatic dimethyl ether cooling water control system and relates to the technical field of chemical engineering. The control system comprises a cooling tank, a liquid level sensor, a controller, a water supplementing tank and a pump. The liquid level sensor is arranged in the cooling tank. The water supplementing tank is connected with the cooling tank through a pipeline provided with the pump. The controller is connected with the liquid level sensor and the pump and used for controlling work of the pump. The control system further comprises a cooling tower, a temperature sensor and a cooling tower pump. The cooling tower is connected with the cooling tank through a pipeline provided with the cooling tower pump. The controller is connected with the temperature sensor and the cooling tower pump respectively and used for controlling work of the cooling tower pump. According to the automatic dimethyl ether cooling water control system, water does not need to be supplemented manually, the water supplementing efficiency is high, dimethyl ether contained in unloading tail gas of a dimethyl ether rectifying tower can be reduced, pressure on the tower top of the dimethyl ether rectifying tower can be stabilized, and the temperature of the cooling water can also be adjusted automatically.

Description

technical field [0001] The invention relates to the technical field of chemical industry, in particular to an automatic control system for dimethyl ether cooling water. Background technique [0002] Due to the increasing demand for energy and the increasing awareness of environmental protection, dimethyl ether, as a clean fuel, has been paid more and more attention to its high-efficiency, energy-saving and environmentally friendly combustion technology. Dimethyl ether is a colorless gas with a slight ether aroma, which is inert, non-corrosive, easy to compress, condense, and vaporize. From the analysis of the combustion mechanism of dimethyl ether, under the same heat conditions, compared with other gases such as natural gas and liquefied petroleum gas, the combustion efficiency of dimethyl ether can be increased by about 5%. DME has been widely used in automobile fuel and domestic fuel, and it is also a potential new industrial fuel with broad application prospects. [00...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05D27/02
Inventor 刘文祥
Owner XINNENG ZHANGJIAGANG ENERGY
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