On-line maintenance device for grate cooling equipment
A technology for cooling equipment and maintenance devices, applied in lighting and heating equipment, processing discharged materials, furnaces, etc., can solve the problems of inability to achieve online maintenance, long maintenance preparation time, and low equipment operation rate, and reduce the probability of equipment accidents. , The effect of improving equipment operation rate and operation safety
Inactive Publication Date: 2009-06-03
中材(天津)重型机械有限公司
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Problems solved by technology
[0002] When the granular material cooling equipment is working, cooling air needs to be blown in continuously, so that the air chamber under the grate bed of the cooling equipment always maintains a positive pressure. During maintenance, the equipment must be stopped and the cooling fan must be turned off before workers can enter the equipment. Realize online maintenance
There are disadvantages such as long maintenance preparation time, equipment failure during maintenance, and low equipment operation rate
Method used
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[0014] In order to further understand the invention content, characteristics and effects of the present invention, the following examples are given, and detailed descriptions are as follows in conjunction with the accompanying drawings:
[0015] see figure 1 , figure 2 and image 3 , the arrows among the figure all represent the entering direction of maintenance personnel, the present invention is made up of airtight door and personnel passage, and airtight door is to be installed in the double door that the inner airtight door 3 and the outer airtight door 1 that are installed in the personnel airway 2 two ends form. On the personnel channel 2 between the double doors and on the outer sealing door 1, a pressure reducing valve 5 is installed, and on the inner sealing door 3, a pressurizing valve 4 is installed. The personnel channel 2 can be arranged vertically or horizontally, and the personnel channel at the end of the inner sealing door is connected with the lower casing...
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The invention relates to an on-line maintenance device for grate cooling equipment, comprising an air-tight door and a staff passage. The invention is characterized in that the air-tight door is a dual door consisting of an internal air-tight door and an external air-tight door which are arranged at the two ends of the staff passage; the staff passage between the dual door and the external air-tight door are provided with a pressure-reducing valve and the internal air-tight door is provided with a pressuring valve; the staff passage is arranged vertically or horizontally; and the staff passage close to the internal air-tight door is connected with the lower shell body of the cooling equipment. The device has the characteristics of simple structure, less investment and safe operation, thus realizing the on-line examination or maintenance of the grate cooling equipment and greatly enhancing the equipment operation rate.
Description
technical field [0001] The invention relates to cooling equipment for granular materials, in particular to an online maintenance device for the grate bed of the cooling equipment. Background technique [0002] When the granular material cooling equipment is working, cooling air needs to be blown in continuously, so that the air chamber under the grate bed of the cooling equipment always maintains a positive pressure. During maintenance, the equipment must be stopped and the cooling fan must be turned off before workers can enter the equipment. Realize online maintenance. It has the disadvantages of long maintenance preparation time, equipment failure during maintenance, and low equipment operation rate. Contents of the invention [0003] In order to solve the technical problems in the known technology, the present invention provides an on-line maintenance device for cooling equipment grate beds with simple structure, safe operation, low investment and high equipment opera...
Claims
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Inventor 刘智涛黄云苓李明飞钱伟刘劲松向东湖
Owner 中材(天津)重型机械有限公司