Ammonia gas generation device for solid ammonium SCR system
A technology of SCR system and generating device, which is applied in the direction of gas treatment, ammonia compound, ammonia preparation/separation, etc., can solve the problem of single heating method, and achieve the effects of simplifying the system structure, saving energy, and uniform temperature distribution
Active Publication Date: 2017-03-15
NINGBO LIDA INTELLIGENT CONTROL TECH CO LTD
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- Description
- Claims
- Application Information
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Problems solved by technology
[0003] The technical problem to be solved by the present invention is to provide a safe and convenient heating method to improve the efficiency of solid ammonium SCR research in view of the single heating method in the prior art that uses a heating scheme to decompose ammonium salt to generate ammonia gas
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Embodiment Construction
[0016] The invention discloses a heater for an ammonia gas generating device in a solid ammonium SCR system. Those skilled in the art can learn from the content of this article and appropriately improve the process parameters to realize it. It needs to be pointed out that all similar replacements and modifications are obvious to those skilled in the art, and they are all considered to be included in the present invention, and relevant personnel can obviously make changes without departing from the content, spirit and scope of the present invention. Changes or appropriate changes and combinations are made to the content described herein to realize and apply the technology of the present invention.
[0017] In the present invention, unless otherwise specified, the scientific and technical terms used herein have the meanings commonly understood by those skilled in the art.
[0018] In order to enable those skilled in the art to better understand the technical solutions of the pre...
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The invention relates to an ammonia gas generation device for a solid ammonium SCR system. The ammonia gas generation device for the solid ammonium SCR system comprises a first heating part and a second heating part, wherein the second heating part and the first heating part form a closed reaction cavity; and both the first heating part and the second heating part adopt a water bath heating mode. The heater device of the ammonia gas generation system mainly aims at an engine pedestal test, and ammonium salt in the ammonia gas generator is heated by choosing an engine water bath heating mode so as to facilitate rapid building of ammonia gas pressure and simplify the system structure. In particular, heating is conducted by utilizing circulating water of the engine and no external energy source is introduced in the test process, so that the energy source is saved and the test design accords with the actual requirement. A cast aluminum heater, namely a heating pipe cast in a casing, is selected to enable the temperature to be distributed more uniformly.
Description
technical field [0001] The invention relates to the design of an ammonia gas generating device in a solid ammonium SCR system, in particular to a device for heating ammonium salt to generate ammonia gas. Background technique [0002] The purpose of the ammonia supply device for the solid ammonium SCR system is to provide ammonia gas for diesel engines to perform steady-state SCR experiments on the engine bench. Ammonia gas is converted into ammonia gas and injected into the exhaust pipe to provide a reducing agent for catalytic reduction of NOx. Ammonium carbamate will decompose at room temperature. In a closed container at 100°C, a pressure of 800kPa can be established to meet the demand of ammonia gas supply for gas pressure. For various types of ammonia reaction vessels in the prior art, the heater is usually coaxially inserted into the reactor through a suitable hole in the high-pressure cover of the vessel, and the heating member is made of non-insulated metal strips o...
Claims
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Patent Timeline
Login to View More IPC IPC(8): C01C1/02B01D53/94B01D53/56B01D53/76
CPCB01D53/9418B01D2251/2062B01D2258/012B01D2259/122C01C1/026
Inventor 叶勇文军糜亮陈雨光冯彬曲大为
Owner NINGBO LIDA INTELLIGENT CONTROL TECH CO LTD