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System and method for refrigerating waste heat of synthetic ammonia

A waste heat refrigeration and ammonia synthesis technology, which is applied in the direction of refrigerators, refrigeration components, refrigeration and liquefaction, etc., can solve the problems of high water pump lift, lack of mastery of the technical characteristics of fully enclosed water systems, and lack of in-depth research on energy-saving configuration of water pump equipment in transmission and distribution systems, etc. problem, achieve the effect of reducing distribution power and saving transmission power consumption

Pending Publication Date: 2018-09-18
山东华创能源设备有限公司
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Problems solved by technology

[0003] Since the refrigeration professional designers in the industrial field have not mastered the technical characteristics of the fully enclosed water system and the open water system, and have not studied the energy-saving configuration of the water pump equipment in the transmission and distribution system, the original design of the chilled water and hot water supply systems adopts the open system. High pump head

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  • System and method for refrigerating waste heat of synthetic ammonia

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Embodiment Construction

[0021] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0022] It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0023] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinatio...

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Abstract

The invention discloses a system and method for refrigerating waste heat of synthetic ammonia. The system comprises a desalted water heat exchanger and three cold water units which are connected in parallel. The system is characterized in that low-pressure transmitting gas is conveyed into the desalted water heat exchanger through a low-pressure transmitting gas conveying pipeline, and hot water in the desalted water heat exchanger is heated to obtain high-pressure high-temperature hot water; the high-pressure high-temperature hot water is conveyed to the three cold water units through a hot water conveying pipeline, and the cold water units are driven so that refrigerated water in a refrigerated water return pipe can pass through a refrigerated water circulating pump set and be conveyed to the three cold water units; and a circulating cooling water inlet pipe is used for conveying circulating water to the three cold water units, the three cold water units are used for conveying hot return water to a hot return water conveying pipeline, and a desalted water circulating pump is used for conveying the hot return water to the desalted water heat exchanger, so that the hot return wateris heated again. According to the system, an opening type refrigerating water and hot water supply system is changed into a fully-closed water system, so that the conveying energy consumption is greatly reduced, and the energy-saving operation of the system can be achieved.

Description

technical field [0001] The invention relates to a synthetic ammonia waste heat refrigeration system and method. Background technique [0002] In order to promote the energy-saving and emission-reduction projects, the waste heat generated by the low-pressure transmission gas in the synthetic ammonia production process is used to make 105°C high-pressure and high-temperature hot water, which is used as the driving heat source of the lithium bromide chiller, and the waste heat is turned into a driving energy source. Annual savings of 60,000 tons of standard coal. [0003] Since the refrigeration professional designers in the industrial field have not mastered the technical characteristics of the fully enclosed water system and the open water system, and have not studied the energy-saving configuration of the water pump equipment in the transmission and distribution system, the original design of the chilled water and hot water supply systems adopts the open system. The pump he...

Claims

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Application Information

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IPC IPC(8): F25B15/06F25B27/02F25B41/00F24H4/02
CPCF24H4/02F25B15/06F25B27/02F25B41/40Y02B30/625Y02A30/274Y02P80/10
Inventor 焦保凯郭延军高朋赵宇王永正
Owner 山东华创能源设备有限公司
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