CN1174173C - Vertical tube benefiting to form water stream in membrane state - Google Patents
Vertical tube benefiting to form water stream in membrane state Download PDFInfo
- Publication number
- CN1174173C CN1174173C CNB011083387A CN01108338A CN1174173C CN 1174173 C CN1174173 C CN 1174173C CN B011083387 A CNB011083387 A CN B011083387A CN 01108338 A CN01108338 A CN 01108338A CN 1174173 C CN1174173 C CN 1174173C
- Authority
- CN
- China
- Prior art keywords
- standpipe
- gas
- water
- diversion component
- air
- 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.)
- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 239000012528 membrane Substances 0.000 title 1
- 238000007789 sealing Methods 0.000 claims description 17
- 210000004534 cecum Anatomy 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 239000001301 oxygen Substances 0.000 abstract description 4
- 229910052760 oxygen Inorganic materials 0.000 abstract description 4
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 abstract 2
- 230000009931 harmful effect Effects 0.000 abstract 1
- 230000002265 prevention Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 46
- 238000010438 heat treatment Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 239000008236 heating water Substances 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 108010085603 SFLLRNPND Proteins 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/02—Hot-water central heating systems with forced circulation, e.g. by pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
- F15D1/00—Influencing flow of fluids
- F15D1/02—Influencing flow of fluids in pipes or conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/08—Arrangements for drainage, venting or aerating
- F24D19/082—Arrangements for drainage, venting or aerating for water heating systems
- F24D19/083—Venting arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Fluid Mechanics (AREA)
- Jet Pumps And Other Pumps (AREA)
- Pipe Accessories (AREA)
- Pipeline Systems (AREA)
Abstract
The present invention relates to a standpipe which is favorable for the formation of down-flowing water in the film flow state and belongs to the technique of pipeline fluid. A flow guiding member (1) limiting a water inlet section in the standpipe is adopted, and a spiral flow guiding fin (2), an air collecting structure (6), an air-water separating structure (9) and a pressure limiting member (4) are additionally arranged. The standpipe is intensified to form the film flow condition, an air core in the standpipe is sealed dynamically and conditionally, and air is prevented from mixing with working water flow in back of the outlet of the standpipe, which is favorable for the prevention of other harmful effects of air. The possibility for basically eliminating the oxygen corrosion problem of a system which relates to water flow in the standpipe and the air lock of circulating water flow is provided, and safe operation is ensured. The present invention has the advantages of simple and durable structure and no operating member and can have the same service life with the system.
Description
Technical field
The invention belongs to the pipeline fluid technique, relate generally to pipeline current static pressure separating technology.
Background technique
The transmission of dirty hydrostatic pressure in current can be managed to block as possible according to the theory and practice that film stream is set up in the known standpipe, engineering reality also has multiple scheme among operation, but, because more and field condition complexity to the influence factor of fluidised form, the dirty water film flow state of standpipe usually is difficult to highly stable keeping, and makes riser bottom produce pressure surge; On the other hand, connection scheme under the big pressure reduction condition tends to the integral layout of the system that influences or relates to the input of equipment cost, maybe can influence the reliability and operation workload of system works, it is often become concerning one of focus of determining system's global scheme.
Summary of the invention
The technical problem to be solved in the present invention is to propose the standpipe organization plan of flowing water under lower, simple in structure, reliable the formed film fluidised form of cost.
The content of technical solution of the present invention is, the standpipe that helps forming flowing water under the film fluidised form comprises: standpipe, and with the diversion component that standpipe entry section links, the sealing of above-mentioned parts and the parts that are connected and fixed.Wherein, described diversion component is the parts that can form one section annulated column space with adjacent tube wall, and the length of annulated column section is can being minimum value with going into to manage Waterflow-guiding to the minimum length of accurate film stream mode.Like this, the annulated column space of described diversion component helps the formation of moisture film fluidised form in the standpipe, can reduce the uncertain influence that influence foundation of film stream in other words.It is simple in structure, and the cost increase seldom moves the also difficult fault that produces, and the purpose of invention can realize.
Annulated column of the present invention space also is provided with the spiral stream guidance fin that links with diversion component, with further reinforcement guide functions.
Outside the stand-pipe output end section of the present invention, the socket top is sealing cecum, the remarkable gas collecting jar with ground-on cover plate that strengthens of its circulation section relative riser circulation section, and the sealing cecum is provided with the controlled outlet that discharges gas collection, to discharge the little air of being brought into by following flowing water.
Gas collecting jar with ground-on cover plate cecum gas collection of the present invention outlet through making progress pipeline and the gas and water separator of top link, the gas circuit outlet of segregating unit is passed the standpipe wall through pipe and is linked with the central space of making the described diversion component top of hollow along axis, and the water route outlet of segregating unit links through pipe and gas-collecting device bottom.Like this, but the gaseous core of the hollow UNICOM standpipe film stream of diversion component, making down flowing water bring the little air of outlet end at last into can be behind the entrained water of segregating unit separation off gas, return among the standpipe again, this is to help being avoided gas to sneak into the structure of working flow, finally realize the sealing of dynamically having ready conditions of contained gas in the standpipe, also helped preventing other adverse effect of air.
Also be provided with the pressure limiting part in the standpipe of the present invention under the diversion component, to guarantee safe operation.
The present invention's warp reaches set gas collection, air-water separation structure to the qualification of standpipe entry section diversion component, makes standpipe when forming film stream, has set up the condition that gaseous core is dynamically had ready conditions and sealed in the standpipe.Pass in and out the isolated locking system of current with atmosphere by water seal and pipeline, for basic oxygen corrosion and the system's vent plug problem of eliminating the related system of in-pipe flow provides possibility.This is simple in structure durable, no running gear, can with the same life-span of system.
Description of drawings
Accompanying drawing has provided embodiment of the invention structural representation.
Fig. 1 is the structural representation that is used for direct connection standpipe between the heating system high low area;
Fig. 2 is the plan view of Fig. 1;
Fig. 3 is the A-A sectional drawing of Fig. 1;
Fig. 4 is the B-B sectional view of Fig. 1;
To be that the gas Circulation pipe is horizontal connect the standpipe schematic representation that honeycomb duct and gas collecting tube directly stretch into gas-water separating drum to Fig. 5;
Fig. 6 is the standpipe upper end gas inverted U-shaped connection diversion component diagrammatic sketch that circulates;
Fig. 7 is a left hand screw guide plate schematic representation;
Fig. 8 is horizontal gas collecting jar with ground-on cover plate structure diagram;
Fig. 9 is the installation signal of standpipe shown in Figure 1 in heating system;
Figure 10 is standpipe shown in Figure 6 and the installation signal of horizontal gas collecting jar with ground-on cover plate shown in Figure 8 in heating system;
Figure 11 is the installation signal of standpipe shown in Figure 5 in heating system.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
Unit number explanation among the figure: 1 mozzle, 2 spiral deflectors, 3 standpipes are that the total return riser 4U type water sealing (sealing water) pipe 5 standpipe insertion ends 6 gass collecting jar with ground-on cover plate 7 low district returning pipe joints 8 discharges 9 gas-water separating drums 10 gas circulation pipes 11 reducer pipes 12 water-circulating pipes 13 ventilating bent-tubes 14 closure plates 15 ventilating bent-tubes 16 high sound zone system return main 17 automatic exhaust steam valves 18 heating standpipes 19 high sound zone system drain valve 20 valves 21 pressurizing for high building water pumps 22 thermometers 23 Pressure gauges 24 check-valves 25 low district of bar I-I operation pressure Δ H discrepancy in elevation that is connected and fixed generally is not less than 0.5 meter
First embodiment is for being used to the direct coupled return riser of high low area system that heats, as Fig. 1-4,7,9.20 meters of high sound zone system total discharges are joined by institute
3In/time, 65 meters of system's peaks are distinguished and the direct coupled return riser of low district's backwater, the about 47Pa/M of full water specific frictional resistance of pipeline, full water flow velocity 0.65 meter per second as system is high with this routine standpipe.
This routine standpipe 3 need be selected 106 millimeters welded steel pipes of internal diameter for use according to heating water return, elbow is arranged at the top, and establish pass a curved section tube wall, with the ventilation bend pipe 10 of the coaxial DN25 millimeter of standpipe, stretch into honeycomb duct 1 coaxial link of 300 millimeters places at bend pipe through 57 millimeters of reducer pipe 11 and external diameters, 1500 millimeters of length, the honeycomb duct upper end is counterclockwise around connection helical guide plate 2,300 millimeters of guide plate pitch, 102 millimeters of external diameters, 450 millimeters of height overalls.Establish effective water seal length at 38 meters absolute altitude places of standpipe and be 1 meter U type water sealing (sealing water) pipe 4.Be socketed with gas collecting jar with ground-on cover plate 6 at 20 meters absolute altitude places, standpipe lower end 5 is stretched in the tube, the heating water return pipeline 7 in tube bottom and low district through the bottom or the lower side outlet link, have gas collecting tube 8 and gas-water separating drum 9 tops that are positioned at 3-5 rice on the low district operation pressure height to link on the gas collecting jar with ground-on cover plate ring-type top cover, the cylinder bottom links through water-circulating pipe 12 and gas collection cylindrical shell 6 bottoms.Gas-water separating drum 9 upper ends link through gas Circulation pipe 10 and honeycomb duct 1.
During installation, return riser upper end elbow links with total backwater transverse tube 16 sealings of the high Qu of equipped system of institute, and the backwater transverse tube generally is not less than 0.5 meter a little more than the peak of high sound zone system.The return riser lower end links through gas collecting jar with ground-on cover plate outlet and low district return pipe, except that need meet conventional the requirement, also should the assurance system hang down district's hydraulic grade between 22-37 rice.
During work, the high district of heating system backwater is after entering standpipe, just be subjected to the guide functions of the passage that forms between honeycomb duct 1 and left hand screw guide plate 2 and standpipe inwall, under the effect of centrifugal inertia force and gravity, following flowing water can form left-handed moisture film fluidised form at the diversion section end, weaken gradually along dirty process rotation,, become the full packages fluidised form until the hydraulic grade place.Be in and just form the air-core that is positioned at axis in the standpipe of moisture film fluidised form.Flow to the working flow in the gas collecting jar with ground-on cover plate 6 down, because section sudden enlargement in the tube, flow velocity is die-offed, and the feasible air that is carried in the working flow is floated to the annulus on gas collecting jar with ground-on cover plate 6 tops immediately.Under the i.e. tube internal water pressure effect of standpipe flowing full section, this space gas is separated by waterborne being raised in the moisture trap 9 that gas collecting tube 8 passes in the gas collecting tube 8, and isolated water is got back to the gas collecting jar with ground-on cover plate bottom again along water-circulating pipe 12, has formed the circulation loop of this routine water; The gas of separating in separator has formed the gas circulation loop of contained gas in this routine working flow through gas Circulation pipe 10 and honeycomb duct 1 and standpipe center gaseous core UNICOM.This is the general work situation after this example is allocated system into.
If pressure accidental in the system increases, surpass the water seal working pressure of U type water sealing (sealing water) pipe 4, but its outlet draining release, otherwise water sealing (sealing water) pipe will keep closed state.Because the standpipe two ends all link with system, make the gas in the standpipe be in closed state when the water seal of U type is airtight, the gas that wherein only has part to be brought in the flowing full by current participates in returning again among the circulation of standpipe from gas collecting jar with ground-on cover plate, moisture trap again.In this circulation, the gas of former vaporous carry-over in the system works current also can be collected and be closed among the standpipe gaseous core, becomes a dynamic constituent element of gaseous core in the standpipe.As long as the closed state of gaseous core will be kept in the system's continuous firing, this standpipe.Obviously, because of carrying the situation that vent plug phenomenon that gas causes perplexs normal heating work, will therefore eliminate in the system works current.Simultaneously, because gas is closed for a long time, its oxygen will inevitably be depleted, and gas column just can present the inert component state in the standpipe, and this will create no oxygen candle working condition condition is provided for the system of equipped this routine standpipe.
Second and third embodiment be the gas Circulation pipe with the water conservancy diversion short tube between connect, the modification of gas-water separating drum different structure, its standpipe structure is all consistent with last example, just the middle part of gas Circulation pipe and water conservancy diversion short tube links, and the moisture trap import stretches to certain altitude by the bottom, as Fig. 5,6; Or enter from the standpipe sidewall, as Figure 10,11.It is all identical with last example in structure and working condition.
The 4th embodiment is the direct coupled return riser of high low area system that heats that is used for that has horizontal gas collecting jar with ground-on cover plate, sees Fig. 8,10.This routine gas collecting jar with ground-on cover plate 6 is horizontal, standpipe 3 sealings of inserting cylindrical shell with axis horizontal cylindrical tube top sidewall and end 5 link, gas collecting tube 8 lower ends at cylindrical shell top highest point and gas-water separating drum 9 link, the gas collecting jar with ground-on cover plate bottom links with the water-circulating pipe 12 and the low district returning pipe joint 7 of gas-water separating drum respectively, and all the other structures and working condition are all consistent with former examples.This routine gas collecting jar with ground-on cover plate is because of vertically highly less, and the structural configuration that can be in the construction brings convenience.
Claims (7)
1. the standpipe that helps forming flowing water under the film fluidised form comprises: standpipe, and with the diversion component that standpipe entry section links, the sealing of above-mentioned parts and the parts that are connected and fixed; It is characterized in that: described diversion component is the parts (1) that can form one section annulated column space with adjacent tube wall, and the length of annulated column section is can being minimum value with going into to manage Waterflow-guiding to the minimum length of accurate film stream mode.
2. standpipe according to claim 1, it is characterized in that: described annulated column space also is provided with the spiral stream guidance fin (2) that links with diversion component.
3. standpipe as claimed in claim 1 or 2, it is characterized in that: described stand-pipe output be connected to outside its end section (5) socket top for the sealing cecum, the gas collecting jar with ground-on cover plate (6) of the circulation basal area that relative riser circulation basal area significantly strengthens is arranged, the sealing cecum is provided with the controlled outlet (8) that discharges gas collection.
4. as standpipe as described in the claim 3, it is characterized in that: the pipeline (8) of described gas collecting jar with ground-on cover plate cecum gas collection outlet through making progress links with the gas and water separator (9) of top, the gas circuit outlet of segregating unit is passed the standpipe wall, is linked with the central space of making the diversion component top of hollow along axis through pipe (10), and the water route outlet of segregating unit links through pipe (12) and gas-collecting device bottom.
5. standpipe as claimed in claim 1 or 2 is characterized in that: also be provided with pressure limiting part (4) in the described standpipe under the diversion component.
6. as standpipe as described in the claim 3, it is characterized in that: also be provided with pressure limiting part (4) in the described standpipe under the diversion component.
7. as standpipe as described in the claim 4, it is characterized in that: also be provided with pressure limiting part (4) in the described standpipe under the diversion component.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011083387A CN1174173C (en) | 2001-02-25 | 2001-02-25 | Vertical tube benefiting to form water stream in membrane state |
| PCT/CN2002/000069 WO2002068829A1 (en) | 2001-02-25 | 2002-02-07 | Device for eliminating the static pressure of downward flowing liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011083387A CN1174173C (en) | 2001-02-25 | 2001-02-25 | Vertical tube benefiting to form water stream in membrane state |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1306162A CN1306162A (en) | 2001-08-01 |
| CN1174173C true CN1174173C (en) | 2004-11-03 |
Family
ID=4657185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011083387A Expired - Fee Related CN1174173C (en) | 2001-02-25 | 2001-02-25 | Vertical tube benefiting to form water stream in membrane state |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN1174173C (en) |
| WO (1) | WO2002068829A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106512666A (en) * | 2016-12-28 | 2017-03-22 | 浙江华源颜料股份有限公司 | Oxidizing barrel centralized tail gas treatment system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61277084A (en) * | 1985-06-03 | 1986-12-08 | 株式会社日立製作所 | Protective apparatus for reactor containment |
| CN1187602A (en) * | 1997-01-07 | 1998-07-15 | 栾永辉 | Heating districting device for high-rise buildings |
| CN1079470C (en) * | 1998-04-14 | 2002-02-20 | 曹天宏 | Verticle pipe with downflow flowing static pressure cutting-off device |
-
2001
- 2001-02-25 CN CNB011083387A patent/CN1174173C/en not_active Expired - Fee Related
-
2002
- 2002-02-07 WO PCT/CN2002/000069 patent/WO2002068829A1/en not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| WO2002068829A1 (en) | 2002-09-06 |
| CN1306162A (en) | 2001-08-01 |
| WO2002068829A8 (en) | 2003-11-20 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20090213 Address after: No. 9, Xinjian Road, Shanxi, Taiyuan Patentee after: Shanxi Construction Engineering (Group) Corporation Address before: Dormitory building, 2-4-10 provincial building, No. 100, Taoyuan South Road, Taiyuan, Shanxi Patentee before: Cao Tianhong |
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| ASS | Succession or assignment of patent right |
Owner name: SHANXI CONSTRUCTION (GROUP) CORPORATION Free format text: FORMER OWNER: CAO TIANHONG Effective date: 20090213 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20041103 Termination date: 20150225 |
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| EXPY | Termination of patent right or utility model |