Vacuum equipment suction capacity determination method
A method for determining the suction capacity and a technology for determining the suction capacity. It is applied in the field of determining the suction capacity of vacuum equipment. It can solve problems such as limiting the performance of the equipment or evaluating the suction capacity, and achieve the effect of reducing difficulty and cost.
Active Publication Date: 2018-12-18
XIAN XIRE ENERGY SAVING TECH
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Problems solved by technology
[0004] Due to the consideration of equipment cost, as well as the limitations of on-site production and installation conditions, vacuum equipment is generally rarely equipped with a special flow measurement device for evaluating the suction capacity, which limits the evaluation of equipment performance or suction capacity, so it is necessary Find a New Method for Evaluating the Suction Capability of Vacuum Equipment
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[0057] The present invention is described in further detail below in conjunction with accompanying drawing:
[0058] see figure 1 , the present invention uses the vacuum equipment to pump the vacuum system, and evaluates the suction capacity of the vacuum equipment by calculating the volume flow rate sucked by the vacuum equipment through the change of the vacuum system pressure p with time t. In order to achieve the above object, the present invention adopts the following technical solutions to achieve:
[0059] Create a relatively independent closed system 2, the closed system is connected with the vacuum equipment 1 through the isolation valve 3, and the pressure measuring point 4 and the temperature measuring point 5 are installed on the system.
[0060] Put in the vacuum equipment 1, fully open the isolation valve 3, and convert the volume flow rate of the vacuum equipment through the pressure change of the closed system 2, and the volume flow rate of the vacuum equipmen...
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The invention discloses a vacuum equipment suction capacity determination method. When the vacuum system is pumped by vacuumizing equipment, the volume flow of vacuum equipment suction is determined by changes of vacuum system pressure p with time t, and suction capacity of the vacuumizing equipment is evaluated. A relatively independent airtight system is created, when the vacuum equipment pumpsthe system, the volume flow of the vacuum equipment is calculated by changes of the pressure in the airtight system with time, and therefore the purpose of determining the suction capacity of the vacuumizing equipment is achieved. Specialized flow measurement devices are not required to be added, the suction capacity of the vacuumizing equipment can be determined only by using existing pressure measurement points and temperature measurement points in the field, and the difficulty and cost of an experiment are reduced.
Description
technical field [0001] The invention belongs to the field of vacuum and relates to a method for determining the suction capacity of vacuum equipment. Background technique [0002] Vacuum equipment is widely used in metallurgy, electric power, light industry, petrochemical, food and other industries, especially the water ring vacuum pump, because of its simple structure, convenient maintenance, easy to suck and compress flammable and explosive gases, making its application has been further expanded. [0003] In my country, the efficiency of vacuum equipment, especially water ring vacuum pumps, is generally low, and they are generally large energy consumers in their application industries or fields, accounting for nearly half of the power consumption rate in the production process. Therefore, it is important to understand the performance of vacuum equipment for It is necessary to provide a basis for equipment operation optimization and energy-saving transformation. [0004] D...
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Login to View More IPC IPC(8): G01M3/26
CPCG01M3/26
Inventor 江浩李高潮张建元
Owner XIAN XIRE ENERGY SAVING TECH