CN104196769B - A kind of environment-friendly type multi-path water jet air extractor - Google Patents
A kind of environment-friendly type multi-path water jet air extractor Download PDFInfo
- Publication number
- CN104196769B CN104196769B CN201410407667.3A CN201410407667A CN104196769B CN 104196769 B CN104196769 B CN 104196769B CN 201410407667 A CN201410407667 A CN 201410407667A CN 104196769 B CN104196769 B CN 104196769B
- Authority
- CN
- China
- Prior art keywords
- trunnion
- nozzle
- work
- air inlet
- work shower
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Jet Pumps And Other Pumps (AREA)
- Nozzles (AREA)
Abstract
The invention discloses a kind of environment-friendly type multi-path water jet air extractor, including two work shower nozzles, two work shower nozzles are arranged on inside working chamber one end, working media import of the afterbody of two work shower nozzles just to connecting operating room, aqueous medium is from working media enters intraoral entrance work shower nozzle, the inside working chamber other end connects one end of two trunnions, the entrance of the nozzle of two work shower nozzles respectively just to two trunnions, the nozzle of work shower nozzle sprays into medium in trunnion, the outdoor face that works connection air inlet, gas enters inside working chamber from air inlet, the oral area of air inlet is provided with check valve, ensure that gas unidirectional enters inside working chamber from air inlet, trunnion is placed in noise control cover, the trunnion other end connects trunnion discharge chamber, trunnion outlet chamber surface is provided with leaving velocity bleeding point.The beneficial effects of the invention are as follows low-consumption high-efficiency, and noise is small.
Description
Technical field
The invention belongs to generating equipment technical field, it is related to a kind of environment-friendly type multi-path water jet air extractor.
Background technology
Novel high-efficiency environment friendly type multi-path water jet air extractor is Steam Turbine in Fire Power Plant group suction gas trap vacuum and its
It needs a kind of equipment vacuumized.The vaccum-pumping equipment of gas trap mainly has vavuum pump, and air ejector, air ejector has jetting to emanate
Two kinds, current water jet air ejector is due to its simple system, and reliable operation is widely used on domestic big-and-middle-sized unit.
During unit starting, when ignition of the boiler steam turbine enters vapor heating machine, there will be more steam to enter condenser, such as
Certain vacuum is not set up in fruit condenser, carbonated drink, which enters condenser, will make gas trap formation malleation, damage equipment, coagulate gas
It is even more the essential condition of steam turbine red switch that device, which sets up vacuum,.Gas trap and some low-voltage equipments (such as condensate pump, drainage pump and
Part low-pressure heater etc.) in normal operation, inside is in vacuum state, and due to pipeline and housing imprecision, air will
It is fade-in, so as to destroy condenser vacuum, jeopardizes the safety and economic operation of steam turbine.Meanwhile, partial pressure of the air in gas trap
Increase, causing the dissolved oxygen amount of condensate increases, so as to aggravate the corrosion to heat power equipment and pipeline, the presence of air also increases solidifying
Heat transfer resistance in vapour device, cooling of the influence recirculated cooling water to turbine discharge, increases plant consumption.Therefore in condenser
During operation, it is necessary to constantly extract air therein out.
The effect of pumped vacuum systems is：1 sets up condenser vacuum initial stage in unit starting；2 protect in unit is normally run
Hold condenser vacuum, it is ensured that the safety and economic operation of unit.The vaccum-pumping equipment of condenser mainly has air ejector and vavuum pump.Penetrate
Water aspirator vacuum system, due to simple system, reliable operation so being widely used on domestic large and medium-sized unit.
In modern power plants, what is be most widely used is injecting type air ejector, injecting type air ejector according to working media not
It is same to be divided into steam injecting type air ejector and water-jet type air extractor.The principle of both air ejectors is essentially identical, and simply work is situated between for difference
Matter is different.The working media of stream-jet ejector is steam, and the working media of water jet air ejector is press water.Small-load generators
Use steam injecting type more., can not before unit starting due to all using sliding parameter Starting mode for high parameter large sized unit
There can be enough vapour source supply steam injecting type air ejectors, need in addition using the steam that 1.2-1.6MPa pressure is throttled to by high pressure live steam
For stream-jet ejector, it is clear that extremely uneconomical, and it there is provision of for reclaiming working medium and penetrate vapour cooler, this makes therrmodynamic system also very multiple
It is miscellaneous.And existing water jet air ejector high energy consumption, validity period is short, operation noise is big.
The content of the invention
It is an object of the invention to provide a kind of environment-friendly type multi-path water jet air extractor, existing water jet air ejector energy is solved
Consumption is high, and validity period is short, the problem of operation noise is big.
The used technical scheme of invention is to include two work shower nozzles, and two work shower nozzles are arranged on inside working chamber one
End, the working media import of the afterbodys of two work shower nozzles just to connecting operating room, aqueous medium enters intraoral entrance from working media
Work in shower nozzle, the inside working chamber other end connects one end of two trunnions, and the nozzle of two work shower nozzles is respectively just to two
The entrance of trunnion, the nozzle for the shower nozzle that works sprays into medium in trunnion, work outdoor face connection air inlet, and gas is from air inlet
Into inside working chamber, the oral area of air inlet is provided with check valve, it is ensured that gas unidirectional enters inside working chamber, larynx from air inlet
Pipe is placed in noise control cover, and trunnion other end connection trunnion discharge chamber, trunnion outlet chamber surface is provided with leaving velocity bleeding point.
Further, the noise control cover outer layer is noise elimination orifice plate, and intermediate layer is alumina silicate sound absorption 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
Heat-insulated effect can be reached again.
The beneficial effects of the invention are as follows low-consumption high-efficiency, and noise is small.
Brief description of the drawings
Fig. 1 is environment-friendly type multi-path water jet air extractor structural representation of the present invention；
Fig. 2 is the partial schematic diagram of noise control cover of the present invention.
In figure, 1. work shower nozzles, 2. operating rooms, 3. working media imports, 4. trunnions, 5. air inlets, 6. check valves, 7. prevent
Make an uproar cover, 8. trunnion discharge chambers, 9. leaving velocity bleeding points, 701. noise elimination orifice plates, 702. alumina silicate sound absorption cotton, 703. waterproof glass cloth.
Embodiment
The present invention is described in detail with reference to the accompanying drawings and detailed description.
As shown in figure 1, the present invention includes two work shower nozzles 1, two work shower nozzles 1 are arranged on the inside one end of operating room 2,
Working media import 3 of the afterbody of two work shower nozzles 1 just to connecting operating room 2, aqueous medium enters out of working media import 3
Work in shower nozzle 1, the inside other end of operating room 2 connects one end of two trunnions 4, the nozzle of two work shower nozzles 1 is just right respectively
The entrance of two trunnions 4, the nozzle for the shower nozzle 1 that works sprays into medium in trunnion 4, the outer surface of operating room 2 connection air inlet 5, gas
Body enters inside operating room 2 from air inlet 5, and the oral area of air inlet 5 is provided with check valve 6, it is ensured that gas unidirectional enters from air inlet 5
Enter inside operating room 2, trunnion 4 is placed in noise control cover 7, the other end of trunnion 4 connection trunnion discharge chamber 8, the surface of trunnion discharge chamber 8 is set
There is leaving velocity bleeding point 9.
Water-jet pump connection working media import 3, by water-jet pump Lai press water, by the shower nozzle 1 that works by pressure energy
Into kinetic energy, sprayed with certain speed from work shower nozzle 1, high vacuum is formed in operating room 2.Gas trap taps into gas port 5, condensing
Gas vapour mixture in device is inhaled into operating room 2 and working media mixing, converts kinetic energy into pressure into static press device together
Power energy, is discharged after the diffusion of trunnion 4 in the case of a little higher than atmospheric pressure with current.
The interface air inlet 5 that operating room 2 is connected with condenser built with automatic one-way valve 6 (before and after check valve 6
Pressure differential is closed), the purpose is to when water-jet pump breaks down, prevent water and air from blowing back into condenser.While in order to prevent
Noise when carbonated drink is spread, we can so effectively eliminate making an uproar after steam-water mixing in the additional one layer of noise control cover 7 of trunnion 4
Sound.Operating room 2 uses newest fluid passage, makes steam-water mixing rear impact minimum, and the most gases of suction are wrapped up in minimum amount.Make
Energy consumption reaches minimum.
It is illustrated in figure 2 partial enlarged drawing at the A of noise control cover 7.The noise control cover 7 of the present invention, outer layer is noise elimination orifice plate 701,
Intermediate layer is alumina silicate sound absorption cotton 702, and internal layer is waterproof glass cloth 703, and waterproof glass cloth 703 prevents internal water-soaked noise control cover
7, noise elimination orifice plate 701 and the alumina silicate sound absorption structure of cotton 702 can well abate the noise and can reach heat-insulated effect.Noise control cover 7
It is to take a kind of newest silencing means to prevent from making a noise after mixing wastewater with air, its advantage：Air water can be effectively eliminated
Mixed noise, while effect of heat insulation can be reached again；
Advantages of the present invention is：Water in operating room is wrapped up in minimum water and inhales most gases, reached low-consumption high-efficiency
Condition.In the absence of the abrasion of sound body, service life is long.Requirement to water quality is relatively low.Can effectively it abate the noise, in new type nozzle
Portion's angle uses particular design, good with atomizing effect, wraps up in energy-absorbing power by force, can reach that water is few, wrap up in the advantage more than air-breathing body.Newly
Type shower nozzle inside center is away from relatively accurately, and precision, smoothness are higher, water is uniformly sprayed, and is worn and torn in the absence of sound body.New type nozzle
Using high-quality stainless steel, corrosion resistance is stronger, and to water quality, coolant-temperature gage is less demanding.Using new and effective inside new noise control cover
Absorb sound cotton, can effectively eliminate the noise after steam-water mixing.
Described above is only the better embodiment to the present invention, not makees any formal limit to the present invention
System, any simple modification that every technical spirit according to the present invention is made to embodiment of above, equivalent variations and modification,
Belong in the range of technical solution of the present invention.
Claims (2)
1. a kind of environment-friendly type multi-path water jet air extractor, it is characterised in that：Including two work shower nozzles (1), two work shower nozzles
(1) operating room (2) internal one end is arranged on, the afterbody of two work shower nozzles (1) is just situated between to the work for connecting operating room (2)
Matter import (3), aqueous medium enters in work shower nozzle (1) out of working media import (3), and operating room (2) internal other end connects
One end of two trunnions (4) is connect, the nozzle of two work shower nozzles (1) distinguishes the entrance just to two trunnions (4), work spray
The nozzle of head (1) sprays into medium in trunnion (4), operating room (2) outer surface connection air inlet (5), and gas is from air inlet
(5) enter that operating room (2) are internal, the oral area of air inlet (5) is provided with check valve (6), it is ensured that gas unidirectional is from air inlet (5)
Internal into operating room (2), trunnion (4) is placed in noise control cover (7), trunnion (4) other end connection trunnion discharge chamber (8),
Trunnion discharge chamber (8) surface is provided with leaving velocity bleeding point (9)；From the work shower nozzle（1）Water inlet to nozzle, the work
Shower nozzle（1）External diameter taper off trend, and at the nozzle, the work shower nozzle（1）External diameter it is tapered, its internal diameter
Cross section is rectangular, forms cylinder shape medium passage.
2. according to a kind of environment-friendly type multi-path water jet air extractor described in claim 1, it is characterised in that：The noise control cover (7) is outside
Layer is noise elimination orifice plate (701), and intermediate layer is alumina silicate sound absorption cotton (702), and internal layer is waterproof glass cloth (703), waterproof glass cloth
(703) internal water-soaked noise control cover (7) is prevented, noise elimination orifice plate (701) and alumina silicate sound absorption cotton (702) structure can be well
Abate the noise and can reach heat-insulated effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410407667.3A CN104196769B (en) | 2014-08-18 | 2014-08-18 | A kind of environment-friendly type multi-path water jet air extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410407667.3A CN104196769B (en) | 2014-08-18 | 2014-08-18 | A kind of environment-friendly type multi-path water jet air extractor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104196769A CN104196769A (en) | 2014-12-10 |
| CN104196769B true CN104196769B (en) | 2017-11-07 |
Family
ID=52082112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410407667.3A Active CN104196769B (en) | 2014-08-18 | 2014-08-18 | A kind of environment-friendly type multi-path water jet air extractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104196769B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747507B (en) * | 2015-01-12 | 2017-02-22 | 启东市海信机械有限公司 | Water jetting air pumping device |
| CN106400571A (en) * | 2016-11-24 | 2017-02-15 | 怀宁县天元纸业有限公司 | Vacuum control unit of vacuum roller of paper machine and paper machine |
| CN107606966A (en) * | 2017-11-23 | 2018-01-19 | 长兴华阁耐物流装备有限公司 | A kind of condenser is classified vaccum-pumping equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2034988U (en) * | 1988-02-13 | 1989-03-29 | 田鹤年 | High-efficiency and low-consumption multi-channel water-gas jet pump unit |
| CN2660193Y (en) * | 2003-12-05 | 2004-12-01 | 滕坚毅 | Local fan silencer |
| CN201779079U (en) * | 2010-08-10 | 2011-03-30 | 何乃昌 | Water-injecting air extractor |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1308992A (en) * | 2000-12-29 | 2001-08-22 | 魏仕英 | Water jet blower with multiple diffuser ducts |
| JP2009299609A (en) * | 2008-06-16 | 2009-12-24 | Denso Corp | Ejector |
| DE102011114799A1 (en) * | 2011-10-01 | 2013-04-04 | Daimler Ag | Gas jet pump for use in fuel cell system of passenger car for feeding secondary gas stream, has nozzle comprising nozzle cap between outlet and inlet regions, where nozzle cap surrounds primary gas stream in inlet region |
| CN204061355U (en) * | 2014-08-18 | 2014-12-31 | 连云港久盛电力辅机有限公司 | A kind of environment protection type multi-path water jet air extractor |
-
2014
- 2014-08-18 CN CN201410407667.3A patent/CN104196769B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2034988U (en) * | 1988-02-13 | 1989-03-29 | 田鹤年 | High-efficiency and low-consumption multi-channel water-gas jet pump unit |
| CN2660193Y (en) * | 2003-12-05 | 2004-12-01 | 滕坚毅 | Local fan silencer |
| CN201779079U (en) * | 2010-08-10 | 2011-03-30 | 何乃昌 | Water-injecting air extractor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104196769A (en) | 2014-12-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104196769B (en) | A kind of environment-friendly type multi-path water jet air extractor | |
| CN207963132U (en) | A kind of environment-friendly type wall-hung boiler | |
| CN204061355U (en) | A kind of environment protection type multi-path water jet air extractor | |
| CN206378017U (en) | A kind of closed condensate recycling can exhaust steam secondary recovery system | |
| CN106403635B (en) | A kind of cooling system for improving vacuum | |
| CN203629045U (en) | Gas water heater | |
| CN208764001U (en) | A kind of environment-friendly type multi-path water jet air extractor | |
| CN201779079U (en) | Water-injecting air extractor | |
| CN207193330U (en) | A kind of annealing furnace waste-heat recovery device | |
| CN203783988U (en) | Low-noise steam jet type heat pump of falling film concentrating device | |
| CN103591692A (en) | Gas water heater | |
| CN203615604U (en) | Condensed water atomization discharging device | |
| CN201272697Y (en) | Deoxidization apparatus for water used in generator set | |
| CN206989173U (en) | A kind of energy-saving flash vessel disappears white system | |
| CN101509508A (en) | Pressure air injection vacuum pump | |
| CN205825746U (en) | A kind of plant condenser pumped vacuum systems | |
| CN210772112U (en) | Boiler waste heat recycling device | |
| CN107612221A (en) | The heat abstractor of motor | |
| CN204299978U (en) | Steam jet ejector | |
| CN204113361U (en) | A kind of water-jetting steam extractor antiscale of steam turbine and power coolant-temperature gage control system | |
| CN103740871B (en) | A kind of recovery system of flushing cinder water and steam and method | |
| CN202885584U (en) | Condenser for turboset | |
| CN201706472U (en) | Boiler-discharged steam recovering device | |
| CN210565389U (en) | Water-jet air extractor | |
| CN205482429U (en) | Use economizer who does not have middle heat exchanger in condenser evacuation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |