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Vacuumizing device applied to water jet single screw compressor

A single-screw compressor and vacuum device technology, applied in the field of compressors, can solve the problems of increasing the difficulty of the manufacturing process, increasing the cost of material use, and higher requirements for mechanical seals, ensuring safety and stability, prolonging service life, Good cooling effect

Inactive Publication Date: 2019-08-30
德耐尔节能科技(上海)股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] 1. Higher requirements for mechanical seals will increase the difficulty of the manufacturing process;
[0004] 2. After the high-temperature gas heats the water, water vapor will be generated, which will slowly penetrate into the bearing seat, contact the bearing and cannot be discharged, causing the bearing to rust easily;
[0005] 3. The bearing has high humidity resistance, which will further increase the cost of materials;
[0006] 4. After water vapor enters the bearing seat, it cannot be discharged out, which will affect the heat dissipation of the bearing and eventually shorten the life of the bearing

Method used

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  • Vacuumizing device applied to water jet single screw compressor
  • Vacuumizing device applied to water jet single screw compressor
  • Vacuumizing device applied to water jet single screw compressor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] see Figure 1-4 , a vacuuming device applied to a water-spray single-screw compressor, comprising a compressor body 1, a bearing seat 2 is arranged on the compressor body 1, the bearing seat 2 is connected with a vacuuming device, and the vacuuming The device includes a suction filter 3, a blower 4, an ejector 5 and several hoses 6, the blower 4 is connected with the ejector 5 through an air outlet pipe 7, one end of the hose 6 is connected with the suction filter 3, and the other end is connected with the bearing seat 2 One end of the hose 6 is connected to the air outlet on the bearing seat 2, and the other end is connected to the jet 5. By connecting the vacuum device on the bearing seat 2, the air in the bearing seat 2 can be well The water vapor is extracted, and the vacuuming equipment such as suction filter 3, air blower 4, ejector 5 and some hoses 6 are simple in structure, easy to operate, and facilitate the use of staff.

[0036] as attached image 3 As show...

Embodiment 2

[0046]On the basis of Embodiment 1, the vacuum device of the present invention can be applied to water-sprayed single-screw compressors and water-sprayed twin-screw compressors. Its working principle is: after the blower 4 is powered on, the air is pressurized by the blower 4 Discharge, the gas is introduced in the ejector 5 by the outlet pipe 7, the first jet passage 54 in the nozzle 52 in the ejector 5 produces high-speed gas, passes through the second jet passage 55 and the third jet passage 56 in the jet pipe (gradually Hole expansion) to inject the gas, and use the siphon phenomenon generated by the high-speed gas to pass through the ejector 5 to form a vacuum, and the water vapor in the bearing seat 2 is sucked out through the connecting hoses 6 . In the relatively closed bearing seat 2, it is very difficult to extract the water vapor, so it is necessary to add an air inlet on the bearing seat 2, that is, to use the vacuum generated by the ejector 5 and the pressure diffe...

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Abstract

The invention discloses a vacuumizing device applied to a water jet single screw compressor. The vacuumizing device comprises a compressor body, the compressor body is provided with a bearing seat, the bearing seat is connected with a vacuumizing device body, and the vacuumizing device body includes a suction filter, an air blower, a jet device and a plurality of hoses. The vacuumizing device bodyis connected to the bearing seat so that water vapor in the bearing seat can be well pumped out; and vacuuming equipment such as the suction filter, the air blower, the jet device and the multiple hoses are simple in structure and easy to operate, and use by staff is facilitated.

Description

technical field [0001] The invention relates to the technical field of compressors, in particular to a vacuum device applied to a water-sprayed single-screw compressor. Background technique [0002] Under the current national advocacy of energy conservation and environmental protection, the birth of water-injected screw compressors is favored and is in a stage of rapid development. At present, there are two types of water-sprayed screws on the market: one is a water-sprayed single-screw compressor; the other is a water-sprayed twin-screw compressor. Bearings, etc., taking the water spray single screw compressor as an example, the main shaft and star wheel shaft are equipped with mechanical seals, bearings and bearing seats at both ends. When water enters the compression chamber, due to the mechanical seal blocking, water cannot enter the bearing seat and the bearing directly. Contact, to prevent the bearing from rusting, for this structure, it has the following defects: ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04C29/04F04F5/20F04F5/44F04F5/46B01D46/30
CPCB01D46/30F04C29/042F04F5/20F04F5/44F04F5/46
Inventor 王祖辉盛昌国
Owner 德耐尔节能科技(上海)股份有限公司