CN104747507A - Water jetting air pumping device - Google Patents
Water jetting air pumping device Download PDFInfo
- Publication number
- CN104747507A CN104747507A CN201510012344.9A CN201510012344A CN104747507A CN 104747507 A CN104747507 A CN 104747507A CN 201510012344 A CN201510012344 A CN 201510012344A CN 104747507 A CN104747507 A CN 104747507A
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- CN
- China
- Prior art keywords
- flange
- trunnion
- shunting
- cylinder body
- hole
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/02—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being liquid
- F04F5/04—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being liquid displacing elastic fluids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
The invention relates to a water jetting air pumping device. The water jetting air pumping device comprises an upper connecting pipe, an upper absorption chamber, a middle throat pipe and a lower diffusion chamber which are coaxially arranged up and down and communicated with one another; the upper and lower ends of the upper connecting pipe are provided with an upper flange A and a lower flange A, and the upper end of the upper connecting pipe is provided with a water inlet; the upper absorption chamber comprises an outer cylinder body and an annular-shaped shunting sieve, wherein the annular-shaped shunting sieve coaxially sleeves the interior of the outer cylinder body, and the side wall of the outer cylinder body is provided with an air inlet; a plurality of shunting small holes are evenly distributed on the side wall of the annular-shaped shunting sieve, and a pair of shunting big holes which are arranged symmetrically are formed in the side wall of the annular-shaped shunting sieve. The water jetting air pumping device has the advantages that the structure of the water jetting air pumping device is simple, compared with the traditional water jetting air pumping device, the water jetting air pumping device is characterized in that a shunting type absorption camber structure is adopted, a shunting sieve is arranged in the upper absorption chamber, when the air is pumped, the air is evenly absorbed after shunting, the pumping efficiency is improved, and the air pumping is more stable.
Description
Technical field
The present invention relates to a kind of water-jet exhaust device, is a kind of efficient jet air extractor specifically.
Background technique
Water jet air ejector is Turbo-generator Set suction incondensable gas, maintain a kind of special device of condenser vacuum, water jet air ejector structural principle has broken the Design Mode of traditional water, the flowing of gas vertical interlaced, utilize the hydraulic pressure of 0.3-0.4Mpa, current form high speed water column by the nozzle of air ejector, gas runs under water particle wraps up in association, thus makes the vapour condenser in generator set keep relative vacuum.
The patent No. is CN 104196769 A's
model utilityin patent, refer to 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 gas that the water jet air ejector of this patent is drawn into mixes uneven with working medium, reduce the pumping efficiency of water jet air ejector, and instability of bleeding.
Summary of the invention
The technical problem to be solved in the present invention is to provide the high and stable water-jet exhaust device of bleeding of a kind of pumping efficiency.
For solving the problems of the technologies described above, technological scheme of the present invention is: a kind of water-jet exhaust device, its innovative point is: comprise from top to bottom coaxial also mutually through upper connecting tube, upper suction chamber, middle trunnion and the lower explosion chamber arranged successively, the two ends up and down of described upper connecting tube have an a upper flange A and lower flange A respectively, and the upper end of upper connecting tube has a water intake; Described upper suction chamber comprises an outer cylinder body and a coaxial sleeve and is contained in annular shunting sieve in this outer cylinder body, and the sidewall of described outer cylinder body has a suction port; The sidewall of described annular shunting sieve is evenly distributed with some shunting apertures, and sidewall also has a pair symmetrically arranged shunting macropore, and the end face of two ends up and down of annular shunting sieve has a nozzle mounting plate and a trunnion mounting plate respectively; Described nozzle mounting plate is distributed with some nozzles ringwise, and the upper-end surface of this nozzle mounting plate and the lower flange A of upper connecting tube are connected and fixed; Described trunnion mounting plate center has a through hole A be connected with middle trunnion; Described middle trunnion comprise a upper flange B, a lower flange B and some be applied between this upper flange B and lower flange B and with nozzle trunnion one to one, this upper flange B, lower flange B have the through hole B corresponding with trunnion mouth and through hole C; The upper end port of described trunnion is welded on the lower end of through hole B corresponding to upper flange B, and is fixed by the trunnion mounting plate of this upper flange B and upper suction chamber, and the lower end of described trunnion to be stretched out in through hole B corresponding to lower flange B and is welded and fixed with this through hole C; The lower cylinder body that described lower explosion chamber comprises a upper flange C, a lower flange C and is fixed between this upper flange C and lower flange C, have a sealing gland gas leakage bleeding point at the sidewall of lower cylinder body, lower cylinder body upper end is fixed by the lower flange B of upper flange C and middle trunnion; The bottom interior wall of described lower cylinder body also has a baffle plate, this baffle plate has some diffusion hole As corresponding with trunnion lower end port; Described lower flange C has the diffusion hole B corresponding with diffusion hole A on baffle plate, and be also set with a diffusion between the diffusion hole A of correspondence and diffusion hole B inwall and take over, the lower end surface of lower flange C also connects a lower flange D, and this lower flange D center has one and takes over the steam water interface be communicated with export with diffusion.
Further, the diameter of described shunting aperture is 8mm.
Further, described a pair shunting macropore is waist type, and in the direction perpendicular to suction port.
Further, the sidewall of described upper connecting tube and the sidewall of upper suction chamber urceolus all have a gauge port.
The invention has the advantages that:
(1) water-jet exhaust device of the present invention is made up of upper connecting tube, upper suction chamber, middle trunnion and lower explosion chamber, Flange joint is passed through between four, structure is simple, and with traditional water-jet exhaust device unlike have employed bypass type suction chamber structure, in upper suction chamber, be provided with a shunting sieve, when making to bleed, suck uniformly after gas distribution, improve pumping efficiency, and it is more stable to bleed;
(2) in water-jet exhaust device of the present invention, the diameter of shunting sieve sidewall shunting aperture is set to 8mm, and this aperture arranges rationally, and shunting effect is good, ensures stable the carrying out that bleed;
(3) in water-jet exhaust device of the present invention, a pair shunting macropore of shunting sieve sidewall is waist type, and in the direction perpendicular to suction port, improves pumping efficiency;
(4) sidewall of upper suction chamber urceolus of the present invention and the sidewall of upper connecting tube all have a gauge port, are convenient to the pressure in Real Time Observation in suction chamber, improve the Safety performance of product.
Accompanying drawing explanation
fig. 1for the master of a kind of water-jet exhaust device of the present invention looks
figure.
fig. 2for overlooking of a kind of water-jet exhaust device of the present invention
figure.
fig. 3for analysing and observe of shunting sieve in a kind of water-jet exhaust device of the present invention
figure.
fig. 4for
fig. 3a to looking
figure.
fig. 5for
fig. 3b to looking
figure.
fig. 6for analysing and observe of middle trunnion in a kind of water-jet exhaust device of the present invention
figure.
fig. 7for
fig. 6a to looking
figure.
fig. 8for
fig. 6b to looking
figure.
fig. 9for analysing and observe of lower explosion chamber in a kind of water-jet exhaust device of the present invention
figure.
fig. 10 is
fig. 9a to looking
figure.
fig. 11 is
fig. 9b to looking
figure.
Embodiment
as Fig. 1with
fig. 2shown in, comprise from top to bottom coaxial also mutually through upper connecting tube 1, upper suction chamber 2, middle trunnion 3 and the lower explosion chamber 4 arranged successively; The two ends up and down of upper connecting tube 1 have an a upper flange A11 and lower flange A12 respectively, and the upper end of upper connecting tube 1 has a water intake a.
as Fig. 3shown in-5, upper suction chamber 2 comprises an outer cylinder body 21 and a coaxial sleeve and is contained in annular shunting sieve 22 in this outer cylinder body 21, and the sidewall of outer cylinder body 21 has a suction port b; The sidewall of annular shunting sieve 22 is evenly distributed with some shunting apertures 24, and sidewall also has a pair symmetrically arranged shunting macropore 25, and the end face of two ends up and down of annular shunting sieve 22 has nozzle mounting plate 26 and trunnion 33 mounting plate 27 respectively; Nozzle mounting plate 26 is distributed with ringwise four nozzles 28, the upper-end surface of this nozzle mounting plate 26 and the lower flange A12 of upper connecting tube 1 are connected and fixed; Trunnion 33 mounting plate 27 center has a through hole A29 be connected with middle trunnion 3.
as Fig. 6shown in-9, middle trunnion 3 comprises a upper flange B31, a lower flange B32 and four be applied between this upper flange B31 and lower flange B32 and with nozzle 28 trunnion 33 one to one, this upper flange B31, lower flange B32 have the through hole B34 corresponding with trunnion 33 mouthfuls and through hole C35; The upper end port of trunnion 33 is welded on the lower end of through hole B34 corresponding to upper flange B31, and fixed by trunnion 33 mounting plate 27 of this upper flange B31 and upper suction chamber 2, it is interior and be welded and fixed with this through hole C35 that through hole B34 corresponding to lower flange B32 is stretched out in the lower end of trunnion 33.
as Fig. 1shown in 0-11, the lower cylinder body 43 that lower explosion chamber 4 comprises a upper flange C41, a lower flange C42 and is fixed between this upper flange C41 and lower flange C42, have a sealing gland gas leakage bleeding point c at the sidewall of lower cylinder body 43, lower cylinder body 43 upper end is fixed by the lower flange B32 of upper flange C41 and middle trunnion 3; The bottom interior wall of lower cylinder body 43 also has a circular baffle plate 44, this baffle plate 44 has some diffusion hole A45s corresponding with trunnion 33 lower end port; Lower flange C42 has the diffusion hole B46 corresponding with diffusion hole A45 on baffle plate 44, and be also set with a diffusion adapter 47 between the diffusion hole A45 of correspondence and diffusion hole B46 inwall, the lower end surface of lower flange C42 also connects a lower flange D48, and this lower flange D48 center has a steam water interface be communicated with diffusion adapter 47 and exports d.
In the present embodiment, in order to improve the shunting efficiency of shunting sieve, the diameter of shunting aperture 24 is 8mm, and a pair shunting macropore 25 is waist type, and in the direction perpendicular to suction port 23; Simultaneously for the ease of observing the pressure in upper connecting tube and upper suction chamber, upper connecting tube 1 sidewall and on the sidewall of suction chamber urceolus all there is a gauge port e.
Working principle, suction port is docked with the air outlet of condenser, to water intake water flowing, water sprays from shower nozzle with certain speed, height of formation vacuum in upper suction chamber, gas vapour mixture in vapour condenser is sucked upper suction chamber and water mixing, discharge from steam water interface outlet with water in a little higher than atmospheric situation after trunnion diffusion.
More than show and describe basic principle of the present invention and major character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (4)
1. a water-jet exhaust device, is characterized in that: comprise from top to bottom coaxial also mutually through upper connecting tube, upper suction chamber, middle trunnion and the lower explosion chamber arranged successively,
The two ends up and down of described upper connecting tube have an a upper flange A and lower flange A respectively, and the upper end of upper connecting tube has a water intake;
Described upper suction chamber comprises an outer cylinder body and a coaxial sleeve and is contained in annular shunting sieve in this outer cylinder body, and the sidewall of described outer cylinder body has a suction port; The sidewall of described annular shunting sieve is evenly distributed with some shunting apertures, and sidewall also has a pair symmetrically arranged shunting macropore, and the end face of two ends up and down of annular shunting sieve has a nozzle mounting plate and a trunnion mounting plate respectively; Described nozzle mounting plate is distributed with some nozzles ringwise, and the upper-end surface of this nozzle mounting plate and the lower flange A of upper connecting tube are connected and fixed; Described trunnion mounting plate center has a through hole A be connected with middle trunnion;
Described middle trunnion comprise a upper flange B, a lower flange B and some be applied between this upper flange B and lower flange B and with nozzle trunnion one to one, this upper flange B, lower flange B have the through hole B corresponding with trunnion mouth and through hole C; The upper end port of described trunnion is welded on the lower end of through hole B corresponding to upper flange B, and is fixed by the trunnion mounting plate of this upper flange B and upper suction chamber, and the lower end of described trunnion to be stretched out in through hole B corresponding to lower flange B and is welded and fixed with this through hole C;
The lower cylinder body that described lower explosion chamber comprises a upper flange C, a lower flange C and is fixed between this upper flange C and lower flange C, have a sealing gland gas leakage bleeding point at the sidewall of lower cylinder body, lower cylinder body upper end is fixed by the lower flange B of upper flange C and middle trunnion; The bottom interior wall of described lower cylinder body also has a baffle plate, this baffle plate has some diffusion hole As corresponding with trunnion lower end port; Described lower flange C has the diffusion hole B corresponding with diffusion hole A on baffle plate, and be also set with a diffusion between the diffusion hole A of correspondence and diffusion hole B inwall and take over, the lower end surface of lower flange C also connects a lower flange D, and this lower flange D center has one and takes over the steam water interface be communicated with export with diffusion.
2. water-jet exhaust device according to claim 1, is characterized in that: the diameter of described shunting aperture is 8mm.
3. water-jet exhaust device according to claim 1, is characterized in that: described a pair shunting macropore is waist type, and in the direction perpendicular to suction port.
4. water-jet exhaust device according to claim 1, is characterized in that: the sidewall of described upper connecting tube and the sidewall of upper suction chamber urceolus all have a gauge port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510012344.9A CN104747507B (en) | 2015-01-12 | 2015-01-12 | Water jetting air pumping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510012344.9A CN104747507B (en) | 2015-01-12 | 2015-01-12 | Water jetting air pumping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104747507A true CN104747507A (en) | 2015-07-01 |
| CN104747507B CN104747507B (en) | 2017-02-22 |
Family
ID=53587643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510012344.9A Active CN104747507B (en) | 2015-01-12 | 2015-01-12 | Water jetting air pumping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104747507B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113090595A (en) * | 2021-04-12 | 2021-07-09 | 武汉努赛尔节能环保科技有限公司 | Liquid piston air extractor and air extraction system applying same |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB212276A (en) * | 1923-03-01 | 1925-07-03 | Worthington Pump & Mach Corp | Improvements in ejectors and nozzles therefor |
| US4790376A (en) * | 1986-11-28 | 1988-12-13 | Texas Independent Tools & Unlimited Services, Inc. | Downhole jet pump |
| CN2153666Y (en) * | 1993-01-17 | 1994-01-19 | 王歆 | Multi-passage water-gas jet pump |
| CN201779079U (en) * | 2010-08-10 | 2011-03-30 | 何乃昌 | Water-injecting air extractor |
| CN102654145A (en) * | 2011-08-31 | 2012-09-05 | 韩铁夫 | Jet pump |
| CN203051254U (en) * | 2012-12-27 | 2013-07-10 | 连云港亨泰电力设备有限公司 | Water jet air ejector |
| 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 |
| CN204553360U (en) * | 2015-01-12 | 2015-08-12 | 启东市海信机械有限公司 | A kind of water-jet exhaust device |
-
2015
- 2015-01-12 CN CN201510012344.9A patent/CN104747507B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB212276A (en) * | 1923-03-01 | 1925-07-03 | Worthington Pump & Mach Corp | Improvements in ejectors and nozzles therefor |
| US4790376A (en) * | 1986-11-28 | 1988-12-13 | Texas Independent Tools & Unlimited Services, Inc. | Downhole jet pump |
| CN2153666Y (en) * | 1993-01-17 | 1994-01-19 | 王歆 | Multi-passage water-gas jet pump |
| CN201779079U (en) * | 2010-08-10 | 2011-03-30 | 何乃昌 | Water-injecting air extractor |
| CN102654145A (en) * | 2011-08-31 | 2012-09-05 | 韩铁夫 | Jet pump |
| CN203051254U (en) * | 2012-12-27 | 2013-07-10 | 连云港亨泰电力设备有限公司 | Water jet air ejector |
| 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 |
| CN204553360U (en) * | 2015-01-12 | 2015-08-12 | 启东市海信机械有限公司 | A kind of water-jet exhaust device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113090595A (en) * | 2021-04-12 | 2021-07-09 | 武汉努赛尔节能环保科技有限公司 | Liquid piston air extractor and air extraction system applying same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104747507B (en) | 2017-02-22 |
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