Molybdenum-alloy disc-type flameproof motor seawater-desalination weld seam joint device

An explosion-proof motor and molybdenum alloy technology, applied in mechanical equipment, seawater treatment, electromechanical devices, etc., can solve the problems of high maintenance rate and affect production cost, and achieve the effect of reducing operating load, improving service life and compact structure

Inactive Publication Date: 2016-11-23
张志雄
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Problems solved by technology

In today's world, there are mainly a series of mechanical moving parts and electrical switching mechanisms in the pressure exchangers for l...

Method used

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  • Molybdenum-alloy disc-type flameproof motor seawater-desalination weld seam joint device
  • Molybdenum-alloy disc-type flameproof motor seawater-desalination weld seam joint device
  • Molybdenum-alloy disc-type flameproof motor seawater-desalination weld seam joint device

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Embodiment Construction

[0065] The structure and working principle of the present invention and the application in the reverse osmosis seawater desalination system are further elaborated in conjunction with the accompanying drawings and embodiments:

[0066] figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 , Image 6 , Figure 7 , Figure 8 , Figure 19 , Figure 24 with Figure 30 Among them, molybdenum alloy disc flameproof motor seawater desalination welding seam joint equipment, including seawater pretreatment tank 310, pretreatment seawater suction pipe 721, starting suction pipe 712, high-pressure starting pump 714, pipeline tee 769, reverse osmosis membrane 720 and welding Pressure exchange booster pump, the two sides of the reverse osmosis membrane 720 are the membrane water inlet chamber 718 and the membrane outlet chamber 728 respectively, and the welding pressure exchange booster pump has a booster welding seam joint 743, a pressure relief welding joint 746, and a suction p...

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Abstract

The invention belongs to seawater-desalination special device, and discloses a molybdenum-alloy disc-type flameproof motor seawater-desalination weld seam joint device. The device comprises a seawater treatment pool, a pretreatment seawater sucker, a starting sucker, a high-pressure starting pump, a pipe tee joint, a reverse osmosis membrane and a welding-pressure-exchanging pressurizing machine pump. As an improvement, a pressurizing weld seam joint comprises a high-pressure-pipe weld end chamfer, a volute weld opening chamfer and a pressurizing outlet ring weld seam, the high-pressure-pipe weld end chamfer is located at the lower end of a conversion high-pressure pipe, the volute weld opening chamfer is located at the outer end of a volute weld outlet, the pressurizing outlet ring weld seam generates sealing connection between the conversion high-pressure pipe and the volute weld outlet, and a pressurizing weld seam joint is formed; the pretreatment seawater sucker is connected with a vertical weld-seam constant flow device in series, and a horizontal weld-seam constant flow device is connected between a high-pressure starting pump inlet and the starting sucker in series. The welding connection structure is adopted, high-pressure sealing connecting fixing can be achieved, particularly, the welding-pressure-exchanging pressurizing machine pump is additionally arranged, the structure is compact, and the energy saving effect is obvious.

Description

technical field [0001] The invention belongs to special equipment for seawater desalination, and in particular relates to a seawater desalination welding seam joint equipment of a molybdenum alloy disc flameproof motor with a pressure exchange hoist pump added in a reverse osmosis seawater desalination system. Background technique [0002] With the advancement of science and technology, the population is increasing day by day, and people's desire to develop into the ocean is becoming stronger and stronger. Seawater desalination treatment is becoming more and more popular, and the energy consumption cost of seawater desalination has received special attention. Early seawater desalination used distillation, such as multi-stage flash technology, with an energy consumption of 9.0kWh / m3, and was usually only built in areas with low energy prices, such as Middle East oil countries, or areas where waste heat was available. In the 1970s, reverse osmosis seawater desalination technol...

Claims

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Application Information

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IPC IPC(8): C02F9/02B01D61/06F04D13/06F04D29/42F04D29/62F04D29/02F04D29/046F04D29/049H02K5/22C02F103/08
CPCY02A20/131C02F9/00B01D61/06C02F2103/08C02F2303/10F04D13/06F04D29/026F04D29/046F04D29/0465F04D29/049F04D29/426F04D29/628F05D2230/232F05D2300/17F05D2300/2112H02K5/225
Inventor 张志雄
Owner 张志雄
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