Vacuum self-consuming furnace cooling energy-saving device
A vacuum consumable furnace and energy-saving device technology, which is applied to diffusion pumps, machines/engines, non-volume pumps, etc., and can solve problems such as long cooling time
Inactive Publication Date: 2014-01-01
浙江五环钛业股份有限公司
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Problems solved by technology
[0004] The purpose of the present invention is to provide a vacuum consumable furnace cooling energy-saving device to solve the existing problems of cooling the diffusion pump cooling device for too long and requiring frequent repairs and maintenance
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[0017] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0018] figure 1 It shows an embodiment of a vacuum consumable furnace cooling energy-saving device: a vacuum consumable furnace cooling energy-saving device, including a first-stage Roots pump, a second-stage Roots pump, a slide valve pump, a diffusion pump and a rotary vane pump , the first-stage Roots pump is connected to the smelting furnace chamber, the second-stage Roots pump is connected to the first-stage Roots pump, and the slide valve pump is connected to the second-stage Roots pump; one end of the diffusion pump is connected to the smelting furnace chamber, and the other end is connected ...
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The invention relates to the field of the titanium alloy ingot smelting, in particular to a vacuum self-consuming furnace cooling energy-saving device. The vacuum self-consuming furnace cooling energy-saving device comprises a primary roots pump, a secondary roots pump, a slide valve pump, a dispersion pump and a rotary plate pump, wherein the primary roots pump is connected with a smelting furnace chamber, the secondary roots pump is connected with the primary roots pump, and the slide valve pump is connected with the secondary roots pump; and one end of the dispersion pump is connected with the smelting furnace chamber, and the other end is connected with the secondary roots pump and the rotary plate pump. The vacuum self-consuming furnace cooling energy-saving device has the effects that when the dispersion pump is cooled, the vacuum state is maintained by utilizing the rotary plate pump to assist the slide valve pump, the power of the rotary plate pump is far smaller than that of the slide valve pump, so that the consumed electric power of the vacuum self-consuming furnace cooling energy-saving device can be greatly saved when the same cooling effect is achieved under the situation of the same cooling time.
Description
technical field [0001] The invention relates to the field of titanium alloy ingot smelting, in particular to a cooling and energy-saving device for a vacuum consumable furnace. Background technique [0002] In the smelting process of titanium alloy ingots, the H-8 slide valve pump is generally used to pre-evacuate to below 2000Pa, start the 600 Roots pump, and start the 1200 Roots pump after starting the normal operation of the 600 Roots pump. Turn on the 800 diffusion pump when the vacuum is below 10Pa, and the equipment will start to work normally at this time. [0003] After the product is smelted, the diffusion pump needs to be cooled, and the safety of the equipment can only be guaranteed when it is below 60 degrees. However, the cooling device used in the prior art is generally a slide valve pump that uses a slide valve mechanism to change the volume of the suction chamber. Use an H-8 slide valve pump to continue running. Because the power of the H-8 mechanical pump i...
Claims
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Inventor 胡乐煊
Owner 浙江五环钛业股份有限公司