Novel melamine dry catcher device
A technology for melamine and dry traps, applied in chemical instruments and methods, crystallization separation, organic chemistry and other directions, can solve the problems of easy crystallization blockage, easy crystallization blockage, and prolonging production time of melamine dry traps, so as to prolong production time, The effect of slowing down the junction rate and improving production efficiency
Active Publication Date: 2013-02-20
启东市富晨天然气有限公司
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Problems solved by technology
[0003] Aiming at the problem of easy crystallization and clogging inside the existing melamine dry catcher, the present invention discloses a novel melamine dry catcher device, which can solve the problem of easy crystallization and clogging of the melamine dry catcher and prolong the production time
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[0011] figure 1 It is a schematic diagram of a new type of melamine dry catcher device, including a dry catcher 1 connected in sequence, a valve 3 and a buffer tank 2, and the outlet at the bottom of the dry catcher 1 is consistent with the diameter of the upper inlet of the valve 3 and the buffer tank 2. The outlet of the lower part of the buffer tank 2 is provided with a quick-opening door 5, four cleaning ports 4 with a diameter of 300mm are evenly distributed on the side of the lower part of the buffer tank, and the valve 3 is a gate valve.
[0012] During the production process, open the valve 3 and close the quick-opening door 5. When a certain amount of material is stored in the buffer tank 2, close the valve 3 and open the quick-opening door 5 to discharge the material. to clean up. The gate valve is selected because the gate valve can open and close quickly and is not easy to block.
[0013]
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The invention discloses a novel melamine dry catcher device which comprises a dry catcher, a valve and a cache tank which are sequentially connected, wherein pipe diameters of an outlet and a valve on the lower portion of the dry catcher and an inlet on the upper portion of the cache tank are identical, a fast open door is arranged on an outlet on the lower portion of the cache tank, and four cleaning ports with the diameters of 300mm are evenly distributed on the lateral surface of the lower portion of the cache tank. By means of the novel melamine dry catcher device, shutting down is not needed in the process of producing melamine in a two-step method, the melamine in the dry catcher can be cleaned, the wall forming rate of the melamine in the dry catcher is reduced, production time is prolonged, and according to practice, the previous cleaning cycle is changed into one month from half a month during production, so that production efficiency is greatly improved.
Description
technical field [0001] The invention relates to the field of melamine production, in particular to a novel melamine dry catcher device. Background technique [0002] One of the biggest problems in the production of melamine is the crystallization of melamine. After melamine crystallizes in pipelines or equipment, manual cleaning is required, which is time-consuming and laborious. Especially for the two-step method of producing melamine, it is generally necessary to stop the car to clean up the melamine crystals every half a month, and the work efficiency is low. In order to solve the problem of melamine crystallization, a bonus is set on the cylinder part of the melamine dry catcher. Insulation gas is introduced into the interlayer to keep warm, which can prolong the production time. However, due to the special structure of the lower cone of the dry catcher, it is not easy to make an interlayer. The melamine falls into the cone of the dry trap, and gradually agglomerates, ...
Claims
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IPC IPC(8): B01D9/00C07D251/62
Inventor 马晓旭
Owner 启东市富晨天然气有限公司