CN204061355U - A kind of environment protection type multi-path water jet air extractor - Google Patents
A kind of environment protection type multi-path water jet air extractor Download PDFInfo
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- CN204061355U CN204061355U CN201420467072.2U CN201420467072U CN204061355U CN 204061355 U CN204061355 U CN 204061355U CN 201420467072 U CN201420467072 U CN 201420467072U CN 204061355 U CN204061355 U CN 204061355U
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Abstract
The utility model discloses a kind of environment protection type multi-path water jet air extractor, comprise two work shower nozzles, two work shower nozzles are arranged on inside working chamber one end, the afterbody of two work shower nozzles is just to the working medium import connecting working room, aqueous medium enters work shower nozzle in working medium import, the inside working chamber the other end connects one end of two trunnions, the nozzle of two work shower nozzles is respectively just to the entrance of two trunnions, medium sprays in trunnion by the nozzle of work shower nozzle, working room's outer surface connects suction port, gas enters inside working chamber from suction port, the oral area of suction port is provided with one-way valve, ensure that gas unidirectional enters inside working chamber from suction port, trunnion is placed in noise control cover, the trunnion the other end connects trunnion discharge chamber, trunnion discharge chamber surface is provided with leaving velocity bleeding point.The beneficial effects of the utility model are low-consumption high-efficiencies, and noise is little.
Description
Technical field
The utility model belongs to power generating equipment technical field, relates to a kind of environment protection type multi-path water jet air extractor.
Background technique
Novel high-efficiency environment friendly type multi-path water jet air extractor is a kind of equipment that Steam Turbine in Fire Power Plant group suction gas condensating device vacuum and other needs vacuumize.The vaccum-pumping equipment of gas condensating device mainly contains vacuum pump, air ejector, and air ejector has jetting to emanate two kinds, current water jet air ejector due to its system simple, reliable operation is widely used on domestic big-and-middle-sized unit.
In unit starting process, during ignition of the boiler steam turbine admission warming-up, more steam will be had to enter vapour condenser, if do not set up certain vacuum in vapour condenser, carbonated drink enters vapour condenser will make gas condensating device form malleation, damage equipment, gas condensating device sets up the vacuum essential condition of steam turbine red switch especially., when normally running, inside is in vacuum state for gas condensating device and some low-voltage equipments (as condensate pump, drainage pump and part low-pressure heater etc.), due to pipeline and housing imprecision, air will be fade-in, thus destroys condenser vacuum, jeopardizes the safety and economic operation of steam turbine.Meanwhile, the partial pressure of air in gas condensating device increases, and causes the dissolved oxygen amount of water of condensation to increase, thus the corrosion aggravated heat power equipment and pipeline, the existence of air also increases the heat transfer resistance in vapour condenser, affects the cooling of recirculated cooling water to turbine discharge, increases plant consumption.Therefore, when vapour condenser runs, air wherein must constantly be extracted out.
The effect of pumped vacuum systems is: 1 sets up condenser vacuum at the unit starting initial stage; 2 keep condenser vacuum in unit normally runs, and guarantee the safety and economic operation of unit.The vaccum-pumping equipment of vapour condenser mainly contains air ejector and vacuum pump.Water jet air ejector vacuum system, because system is simple, reliable operation is so be widely used on domestic large and medium-sized unit.
In modern power plants, what be most widely used is jet-type air ejector, and jet-type air ejector can be divided into steam injecting type air ejector and water-jet type air extractor according to working medium difference.The principle of these two kinds of air ejectors is substantially identical, and difference just working medium is different.The working medium of stream-jet ejector is steam, and the working medium of water jet air ejector is press water.Small-load generators many employings steam injecting type.For high parameter large sized unit, owing to all adopting sliding parameter Starting mode, enough vapour source supply steam injecting type air ejectors can not be had before unit starting, in addition need to adopt and be throttled to the steam of 1.2-1.6MPa pressure for stream-jet ejector by high pressure live steam, obviously extremely uneconomical, and penetrate vapour cooler for recovery working medium also will be arranged, this makes thermodynamic system also very complicated.And existing water jet air ejector energy consumption is high, and the spreadable life is short, run noise large.
Model utility content
The purpose of this utility model is to provide a kind of environment protection type multi-path water jet air extractor, and solve existing water jet air ejector energy consumption high, the spreadable life is short, runs the problem that noise is large.
The technological scheme that the utility model adopts comprises two work shower nozzles, two work shower nozzles are arranged on inside working chamber one end, the afterbody of two work shower nozzles is just to the working medium import connecting working room, aqueous medium enters work shower nozzle in working medium import, the inside working chamber the other end connects one end of two trunnions, the nozzle of two work shower nozzles is respectively just to the entrance of two trunnions, medium sprays in trunnion by the nozzle of work shower nozzle, working room's outer surface connects suction port, gas enters inside working chamber from suction port, the oral area of suction port is provided with one-way valve, ensure that gas unidirectional enters inside working chamber from suction port, trunnion is placed in noise control cover, the trunnion the other end connects trunnion discharge chamber, trunnion discharge chamber surface is provided with leaving velocity bleeding point.
Further, described noise control cover skin is noise elimination orifice plate, and mesosphere is that alumina silicate sound absorption is cotton, and internal layer is waterproof glass cloth, waterproof glass cloth prevents internal water from soaking noise control cover, and noise elimination orifice plate and alumina silicate sound absorption cotton structure can abate the noise well and can reach heat insulation effect.
The beneficial effects of the utility model are low-consumption high-efficiencies, and noise is little.
Accompanying drawing explanation
Fig. 1 is the utility model environment protection type multi-path water jet air extractor structural representation;
Fig. 2 is the partial schematic diagram of the utility model noise control cover.
In figure, 1. work shower nozzle, 2. working room, 3. working medium import, 4. trunnion, 5. suction port, 6. one-way valve, 7. noise control cover, 8. trunnion discharge chamber, 9. leaving velocity bleeding point, 701. noise elimination orifice plates, and 702. alumina silicate sound absorptions are cotton, 703. waterproof glass cloth.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
As shown in Figure 1, the utility model comprises two work shower nozzles 1, two work shower nozzles 1 are arranged on inner one end, working room 2, the afterbody of two work shower nozzles 1 is just to the working medium import 3 connecting working room 2, aqueous medium enters work shower nozzle 1 in working medium import 3, the inner the other end in working room 2 connects one end of two trunnions 4, the nozzle of two work shower nozzles 1 is respectively just to the entrance of two trunnions 4, medium sprays in trunnion 4 by the nozzle of work shower nozzle 1, working room 2 outer surface connects suction port 5, it is inner that gas enters working room 2 from suction port 5, the oral area of suction port 5 is provided with one-way valve 6, ensure that gas unidirectional enters working room 2 from suction port 5 inner, trunnion 4 is placed in noise control cover 7, trunnion 4 the other end connects trunnion discharge chamber 8, trunnion discharge chamber 8 surface is provided with leaving velocity bleeding point 9.
Water-jet pump connects working medium import 3, the press water come by water-jet pump, by work shower nozzle 1, pressure energy is become kinetic energy, sprays, height of formation vacuum in working room 2 with certain speed from work shower nozzle 1.Gas condensating device taps into gas port 5, and the gas vapour mixture in vapour condenser is inhaled in working room 2 and working medium mixing, enters static press device together and kinetic energy is become pressure energy, discharge after trunnion 4 diffusion in a little higher than atmospheric situation with current.
The interface suction port 5 be communicated with vapour condenser in working room 2, built with automatic one-way valve 6 (closing by the pressure difference before and after one-way valve 6), its objective is when water-jet pump breaks down, prevents water and air from blowing back into vapour condenser.Noise during simultaneously in order to prevent carbonated drink from spreading, we, at the additional one deck noise control cover 7 of trunnion 4, effectively can eliminate the noise after steam-water mixing like this.Working room 2 adopts up-to-date fluid passage, and after making steam-water mixing, impact force is minimum, wraps up in inhale maximum gas with minimum amount.Energy consumption is made to reach minimum.
Be illustrated in figure 2 the A place partial enlarged drawing of noise control cover 7.Noise control cover 7 of the present utility model, outer is noise elimination orifice plate 701, mesosphere is alumina silicate sound absorption cotton 702, internal layer is waterproof glass cloth 703, waterproof glass cloth 703 prevents internal water from soaking noise control cover 7, and noise elimination orifice plate 701 and cotton 702 structures of alumina silicate sound absorption can abate the noise well and can reach heat insulation effect.Noise control cover 7 takes a kind of up-to-date silencer, its advantage to make a noise after preventing mixing wastewater with air: effectively can eliminate the noise after mixing wastewater with air, can reach effect of heat insulation again simultaneously;
Advantage of the present utility model is: the water in working room, with the minimum water yield, is wrapped up in and inhaled maximum gas, reach the condition of low-consumption high-efficiency.There are not the wearing and tearing of sound body, long service life.Lower to the requirement of water quality.Can effectively abate the noise, new type nozzle interior angle adopts particular design, has atomizing effect good, wraps up in energy-absorbing power strong, can reach the water yield few, wrap up in the advantage that air absorbing body is many.New type nozzle inside center is apart from comparatively accurate, and precision, smoothness are higher, and water is evenly sprayed, and there are not the wearing and tearing of sound body.New type nozzle adopts high-quality stainless steel, and corrosion resistance is comparatively strong, and to water quality, coolant-temperature gage is less demanding.Novel noise control cover inside adopts new and effective sound absorption cotton, effectively can eliminate the noise after steam-water mixing.
The above is only to better embodiment of the present utility model, not any pro forma restriction is done to the utility model, every any simple modification above mode of execution done according to technical spirit of the present utility model, equivalent variations and modification, all belong in the scope of technical solutions of the utility model.
Claims (2)
1. an environment protection type multi-path water jet air extractor, it is characterized in that: comprise two work shower nozzle (1), two work shower nozzle (1) are arranged on working room (2) inner one end, the afterbody of two work shower nozzle (1) is just to the working medium import (3) connecting working room (2), aqueous medium enters work shower nozzle (1) in working medium import (3), working room (2) the inner the other end connects one end of two trunnions (4), the nozzle of two work shower nozzle (1) is respectively just to the entrance of two trunnions (4), medium sprays in trunnion (4) by the nozzle of work shower nozzle (1), working room (2) outer surface connects suction port (5), it is inner that gas enters working room (2) from suction port (5), the oral area of suction port (5) is provided with one-way valve (6), ensure that gas unidirectional enters working room (2) from suction port (5) inner, trunnion (4) is placed in noise control cover (7), trunnion (4) the other end connects trunnion discharge chamber (8), trunnion discharge chamber (8) surface is provided with leaving velocity bleeding point (9).
2. according to environment protection type multi-path water jet air extractor a kind of described in claim 1, it is characterized in that: described noise control cover (7) skin is noise elimination orifice plate (701), mesosphere is alumina silicate sound absorption cotton (702), internal layer is waterproof glass cloth (703), waterproof glass cloth (703) prevents internal water from soaking noise control cover (7), and noise elimination orifice plate (701) and cotton (702) structure of alumina silicate sound absorption can abate the noise well and can reach heat insulation effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420467072.2U CN204061355U (en) | 2014-08-18 | 2014-08-18 | A kind of environment protection type multi-path water jet air extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420467072.2U CN204061355U (en) | 2014-08-18 | 2014-08-18 | A kind of environment protection type multi-path water jet air extractor |
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| Publication Number | Publication Date |
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| CN204061355U true CN204061355U (en) | 2014-12-31 |
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| CN201420467072.2U Expired - Fee Related CN204061355U (en) | 2014-08-18 | 2014-08-18 | A kind of environment protection type multi-path water jet air extractor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196769A (en) * | 2014-08-18 | 2014-12-10 | 连云港久盛电力辅机有限公司 | Environment-friendly multi-channel water jet air ejector |
| CN109550417A (en) * | 2017-09-25 | 2019-04-02 | 国家电投集团科学技术研究院有限公司 | Drop generating device |
-
2014
- 2014-08-18 CN CN201420467072.2U patent/CN204061355U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196769A (en) * | 2014-08-18 | 2014-12-10 | 连云港久盛电力辅机有限公司 | Environment-friendly multi-channel water jet air ejector |
| CN109550417A (en) * | 2017-09-25 | 2019-04-02 | 国家电投集团科学技术研究院有限公司 | Drop generating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20170818 |
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| CF01 | Termination of patent right due to non-payment of annual fee |