CN201514327U - Hydraulic power working condition experiment and analytical device - Google Patents
Hydraulic power working condition experiment and analytical device Download PDFInfo
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- CN201514327U CN201514327U CN2009201046971U CN200920104697U CN201514327U CN 201514327 U CN201514327 U CN 201514327U CN 2009201046971 U CN2009201046971 U CN 2009201046971U CN 200920104697 U CN200920104697 U CN 200920104697U CN 201514327 U CN201514327 U CN 201514327U
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Abstract
A hydraulic power working condition experiment and analytical device aims at providing flexible movement, convenient operation and observation, a plurality of choices for constant pressure points and constant pressure modes and adjustable operational temperature, accurately monitoring flow rate, pressure and temperature of pipe networks and users, more completely reflecting heat supply network waterpower condition changes and carrying out quantitative analysis on pipe networks. The device comprises a heat source zone, a user zone and a support, and the heat source zone comprises a water tank, a water supplement pump, a circulation pump, an analog boiler, a filter, a control box and a flow adjustment valve. The water tank, the water supplement pump, the circulation pump, the analog boiler and the control box are mounted on a suspended fixing jack horse, the user zone comprises a plurality of users and connection pipelines, each user is sequentially provided with a pressure gauge, a flow-meter, a temperature sensing casing, a radiator, the temperature sensing casing, a cold-blast air valve and the pressure gauge in the direction of water flow, different users have equal altitude or high-level differences in the horizontal direction or are arranged in one vertical direction in high-low structure or are arranged in mixture. The heat source zone and the user zone are connected through a water supply and a water return dry tubes.
Description
Technical field
The utility model relates to the hydraulic working condition experimenting and the analytical equipment of hot water heating pipe network.
Background technology
The hot water heating pipe network is customer flow off-design value, the hydraulic misadjustment problem ubiquity that directly influences heating quality and system's performance driving economy such as uneven in temperature in operational process, its reason has water pump to exert oneself and the pipeline through-current capability does not match, only notice the available pressure head of least favorable point in the design, just regulate not thoroughly, the user's heat amount changes etc.Existing hydraulic working condition experimenting that is used for the hot water heating pipe network and analytical equipment generally adopt contour horizontally disposed, the cold operation of elevated tank level pressure, piezometric tube pressure measurement, user etc.Because of piezometric tube is long, the rule installing and locating exists deviation and experimenter to be subjected to the height restriction to make reading error big, be difficult to satisfy the experimental precision requirement, and experimental provision height height, it is big to take up space, and moves inconvenient; The contour horizontally disposed hydraulic regime situation of change that can not embody vertical user and have the horizontal user of high-rise difference of user; Operation can not embody that water temperature changes and user's heat dissipation capacity changes influence to hydraulic regime under the cold conditions; Adopt the wayward liquid level of elevated tank level pressure, occur overflow easily, dust also easily enters pipe network by elevated tank in the environment, blocking pipeline, contaminated system, and present medium-sized or above hot water heating pipe network the most normal use be the small pump level pressure, prior art can't embody.After changing hydraulic regime, the experimental provision that piezometric tube only is housed only can embody the variation in water pressure situation, carry out qualitative analysis, what the customer flow meter was housed simultaneously can carry out the degree of hydraulic misadjustment quantitative test, but can't carry out quantitative test to the changing operate-point situation of whole heating network and pump.
Summary of the invention
The utility model purpose is to overcome the deficiency of above-mentioned prior art, provide a kind of and move flexibly, operation and observe convenient, pressurization point and pressurization methods all has multiple choices, running temperature is adjustable, can accurately monitor pipe network and user's flow, pressure and temperature, reflect heat supply network hydraulic regime situation of change more comprehensively and can utilize experimental data pipe network to be carried out the hydraulic working condition experimenting and the analytical equipment of quantitative test.
The utility model comprises thermal source district, user area and support.Support comprises vertical beam, crossbeam, mesa supports frame, table top, fixed rack.Vertical beam is two square steel, channel-section steel of every square steel lower vertical welding, and the flat-top universal wheel of a band kayser is installed at the two ends of every channel-section steel.Crossbeam is the rectangular box that angle steel is welded into, and vertically links together with bolt with vertical beam.Mesa supports frame width edge mid point is fixed on the vertical beam, and other has four reinforcements with bolt mesa supports frame and vertical beam to be linked together.Crossbeam flushes with the top of mesa supports frame.Table top is fixed on the mesa supports frame, has the poling circular hole on the table top.The fixed rack suspention is installed in the bottom of crossbeam and mesa supports frame, and fixed rack adopts universal steel angle to make, and is used to place water tank, pump, simulation boiler, control box and pipeline.Adopt bolt to be connected between the universal steel angle and between universal steel angle and crossbeam, the mesa supports frame.
The thermal source district is arranged in the table top below.The thermal source district comprises water tank, small pump, ebullator, simulation boiler, filtrator, control box and flow control valve; Water tank, small pump, ebullator, simulation boiler and control box are installed on the fixed rack, and small pump is installed in below the water tank, and ebullator is installed in below the small pump; Water tank adopts transparent material to make, and rule vertically is equipped with in the outside, and the top has two circular holes, links to each other with drainpipe with water injection pipe respectively, and a joint is installed in the bottom, links to each other with the small pump water inlet by the pipeline that water injection valve is housed; The small pump export pipeline is divided into two-way through threeway, and one the tunnel links to each other with water main, and one the tunnel links to each other with the backwater main, and a water compensating valve whenever all is installed on the way; The pipeline that is connected with pump inlet is the backwater main, and the pipeline that is connected with circulating-pump outlet is a water main, by water (flow) direction valve, tensimeter, non-return valve, cold blast sliding valve, tensimeter, draw-off valve and filtrator is housed successively on the backwater main.Draw-off valve is installed in the bottommost of backwater main, and filtrator is installed in the pump entry place; Ebullator is equipped with tensimeter and water-supply valve to the water main of simulating boiler plant; The simulation boiler comprises body of heater and end cap, simulation boiler feed water mouth is located at body of heater one bottom portion, the top corresponding with it is provided with cold blast sliding valve, water delivering orifice is located at body of heater other end top, simulation boiler water outlet end is a little more than inlet end, the contiguous water delivering orifice of body of heater port, the body of heater port is connected with flange with end cap; Two electrical bars and a thermopair are installed on end cap, and electrical bar links to each other with temperature controller by A.C. contactor, and thermopair directly is connected with temperature controller; Temperature controller, small pump, ebullator link to each other with switches set, by the duty of switches set control temperature controller, small pump and ebullator.The switches set of temperature controller, A.C. contactor, pump and simulation boiler is contained in the control box the inside, and temperature controller display screen, status lamp, protective tube, shift knob are fixed on the control box panel.Connect by elbow, threeway, internal thread, pipeline between water tank, ebullator, small pump, simulation boiler, tensimeter, non-return valve, filtrator and the valve, the raw material band sealing is adopted in the junction, the entery and delivery port of pump is connected with flexible high-temperature resistance plastice flexible pipe with pipeline, and tighten with pipe collar the junction.
The user area comprises a plurality of users and connecting line.The user is arranged in the table top top.Each user is provided with tensimeter, flowmeter, temperature-measuring casing, heating radiator, temperature-measuring casing, cold blast sliding valve and tensimeter successively by water (flow) direction; Tensimeter and flowmeter are installed on the vertical duct, and heating radiator, temperature-measuring casing and cold blast sliding valve are installed on the horizontal pipeline of certain slope, and cold blast sliding valve is located at each user's peak place; Temperature-measuring casing is for inserting the water-in and water-out temperature that electronic thermometer is popped one's head in and measured heating radiator; Heating radiator is a with ribbing copper pipe, the fold shape fin in the shape of a spiral shape around and be welded on the copper pipe outside; Different user is contour in the horizontal direction or exist high level poor, and perhaps high and low layout on a vertical direction, or mixed-arrangement is convenient to experiment and analysis.In other words, different user is combined into the different user system, and a plurality of users contour in the horizontal direction or the high-rise difference of existence are combined into horizontal custom system; A plurality of users of high and low layout are combined into vertical custom system on a vertical direction; Horizontal custom system constitutes the hybrid subscriber system with vertical custom system.Connecting line comprises confession, backwater main, shunt valve and confession, return branch.Be arranged in the table top below for, backwater main and shunt valve, link to each other with user's vertical duct for, return branch one end, an end links to each other with water supply or backwater main, and all users and shunt valve are connected in parallel between the confession, backwater main in this district.Tensimeter and bypass valve are housed on the shunt valve, before tensimeter, draw a drainpipe that draining valve is housed and insert water tank, terminal by two backwater mains of threeway level installation in parallel along water (flow) direction at shunt valve, be connected respectively in another threeway with another root backwater main after wherein a backwater main links to each other with each return branch, connect manometric threeway through one again and draw a backwater main.For on, the backwater main valve is housed, closes on along water (flow) direction on the water main of first water supply arm tensimeter is housed; The thermal source district is connected by confession, backwater main with the user area.
The utility model is applicable to the teaching and the experimental study of hot water heating network hydraulic operation state.The utility model adds hot operation facility spare and controller, the system running temperature of making can be set in current water temperature to 90 ℃ scope and control, and programming rate is fast, experiment setup time weak point, heating radiator has good performance of heat dissipation, fast with external analog environmental change response speed, the thermometric mode is simple and efficient, can embody water temperature variation and the variation of the user's heat dissipation capacity influence to hydraulic regime.Custom system is divided into horizontal custom system, vertical custom system and hybrid subscriber system, can intuitively embody vertical misadjustment and have high-rise poor off-leveling; Can set reversed return type, different formula and hybrid three kinds of pipe network systems according to the experiment needs; Adopt the small pump level pressure, system sealing is good; Utilize data that flow, pressure and temperature surveying instrument instrument record can the quantitative test hydraulic stability, degree of hydraulic misadjustment, draw pressure diagram, can calculate the drag overall number at whole hot water networking according to pipe network known structure size, can draw the hydraulic characteristic curve at hot water networking according to flow and pressure drop relation, can determine the working point of pump in conjunction with the pump performance curve, thereby make student and real training personnel in depth be familiar with heat supply network waterpower regulating working conditions and variation characteristics more comprehensively, grasp heat supply network waterpower condition calculating analytical approach.Apparatus structure compactness, dismounting are simple, and arrangements of components is reasonable, whole moving flexibly, operation and observe convenient.
Description of drawings
Fig. 1 is the utility model system architecture synoptic diagram;
Fig. 2 is the utility model water circulation system figure;
Fig. 3 is the utility model simulation boiler structure synoptic diagram;
Fig. 4 is the utility model supporting structure synoptic diagram;
Among the figure: 1. cold blast sliding valve, 2. temperature-measuring casing, 3. heating radiator, 4. tensimeter, 5. flowmeter, 6. backwater main, 7. water main, 8. temperature controller, 9. control box, 10. lead, 11. simulation boilers, 12. non-return valve, 13. water-supply valve, 14. backwater water compensating valves, 15. water supply water compensating valves, 16. small pumps, 17. ebullator, 18. filtrators, 19. draw-off valves, 20. water injection valves, 21. rule, 22. water tanks, 23. water injection pipes, 24. draining valves, 25. drainpipe, 26. shunt valves, 27. bypass valves, 28. simulation boiler water delivering orifices, 29. flange, 30. thermopairs, 31. electrical bars, 32. simulation boiler water inlet, 33. reinforcements, 34. mesa supports framves, 35. crossbeam, 36. flat-top universal wheels, 37. vertical beams.
Letter A, B, C, D, E, F represent different user; Letter d, e, f, g, h, i, j, m are valve.
Embodiment
Channel-section steel is selected 600 * 100 * 4mm for use, and the steel plate that a thick 5mm is respectively welded at two ends, channel-section steel bottom punches on the steel plate, and each flat-top universal wheel 36 usefulness four bolts is installed on the steel plate.At channel-section steel center welding 40 * 40 * 2.5mm square steel.Fixed rack adopts 40 * 40 * 2mm universal steel angle to be formed by connecting with bolt.Crossbeam 35 and mesa supports frame 34 adopt 40 * 40 * 3mm angle steel to be welded into.Table top adopts the epoxy resin board of waterproof, high temperature resistant, good toughness, and the aperture of beating can make pipe just pass, and aligns with every confession, return branch in the position in hole.Reinforcement 33 is the round steel of the flat φ 10mm in two ends, to guarantee that device is steady, it is flexible to move, non-deformability is strong, the unsettled layout of thermal source district equipment.
Water filling pressurising: check before the water filling whether draining valve 24 and draw-off valve 19 are in closed condition; If adopt 15 water fillings of water supply water compensating valve, backwater water compensating valve 14 is closed, otherwise water supply water compensating valve 15 is closed, and in addition, checks whether other valve is in open mode.Select pressurization point and hydrostatic pressing value, the tensimeter of installing on this device shunt valve 26 and water main 7 and the backwater main 64 can be chosen one wantonly as pressurization point, and the hydrostatic pressing value of selection should guarantee that all tensimeter 4 registrations are no more than tensimeter 4 ranges when variable working condition.
Open the water source to water tank 22 water fillings, start small pump 16 beginning water fillings when above when water level is elevated to water tank 22 mid-heights.When water supply water compensating valve 15 was in open mode, current one tunnel flowed to simulation boiler 11 through water-supply valve 13, and another road flows to ebullator 17, filtrator 18, until being blocked by non-return valve 12; When backwater water compensating valve 14 was in open mode, current one tunnel were blocked by non-return valve 12, and another road flows to simulation boiler 11 through filter 18, ebullator 17, water-supply valve 13; Current are through water main 7, user A-F, shunt valve 26, backwater main 6, non-return valve 12 injected systems after simulation boiler 11 fills with water.Open and close air in cold blast sliding valve 1 exhaust system, fills with water in system in the injecting process in good time.Treat to close water compensating valve 14 or 15 after selected pressure point force value is elevated to selected hydrostatic pressing value, stoppage in transit small pump 16 is closed water injection valve 20.
Set experimental temperature and adjust pressure: start ebullator 17, the water of keeping in the system flows, and after systemic circulation is stable, starts temperature controller 8, and display screen shows the current water temperature that thermopair 30 records.Utilize the temperature setting button on temperature controller 8 display screens that electrical bar 31 running statuses in the simulation boiler 11 and system's operation water temperatures are set, if set temperature value is not higher than current water temperature, electrical bar 31 does not heat, and this moment, the force value of spot pressure did not need the secondary adjustment.If set temperature value is higher than current water temperature, electrical bar 31 heats, and after water temperature is heated to setting value and stablizes, opens and adjust draining valve 24 drainings, after pressure drops to the pressure selected value, closes draining valve 24.
Set pressurization methods: open water injection valve 20, start small pump 16, open draining valve 24, backwater water compensating valve 14 or water supply water compensating valve 15 simultaneously, adjust flow and pressure, realize small pump 16 continuous water-supply and pressure-stabling operations; Draining valve 24 stage draining, small pump 16 stage moisturizing realizes intermittently water-supply and pressure-stabling operation of small pump 16.
Set pipe network system: valve-off m is a direct return system; Open valve m, valve-off j is a reversed return system simultaneously; Open valve m, valve-off h or i are hybrid system simultaneously.
Set custom system: when stopping using user E, F is vertical custom system.When stopping using user A, C is contour horizontal custom system.Be the high-rise poor horizontal custom system of existence when stopping using user B, D.It when user A-F all puts into operation the hybrid subscriber system.
Set other: in the useful range scope of flowmeter 5, adjust the aperture of water-supply valve 13, set the experiment total flow; Change heating radiator 3 external environment conditions, embody the influence of external environment condition variation hydraulic regime.
According to the tensimeter 4 on user A-F, water main 7, backwater main 6, the shunt valve 26, flowmeter 5 and thermo detector video data, draw pressure diagram, quantitative test hydraulic stability, degree of hydraulic misadjustment, calculate the drag overall number at whole hot water networking according to pipe network known structure size, draw the hydraulic characteristic curve at hot water networking according to flow and pressure drop relation, determine the working point of pump in conjunction with the pump performance curve.
After experiment finishes, if the cold conditions experiment is closed temperature controller 8 switches, stoppage in transit ebullator 17; If hot experiment is set at temperature controller 8 temperature values and is lower than environment temperature 5-10 ℃, when the measurement temperature that shows when temperature controller 8 is reduced to 30 ℃, close temperature controller 8 switches, stoppage in transit ebullator 17.Open draining valve 24 and draw-off valve 19 then, water in the system discharged, treat the whole emptyings of water in the device after, close draining valve 24 and draw-off valve 19.
Claims (5)
1. hydraulic working condition experimenting and analytical equipment is characterized in that comprising thermal source district, user area and support, and the thermal source district comprises water tank, small pump, ebullator, simulation boiler, filtrator, control box and flow control valve; Water tank adopts transparent material to make, and rule vertically is equipped with in the outside, and the top has two circular holes, links to each other with drainpipe with water injection pipe respectively, and a joint is installed in the bottom, links to each other with the small pump water inlet by the pipeline that water injection valve is housed; The small pump export pipeline is divided into two-way through threeway, and one the tunnel links to each other with water main, and one the tunnel links to each other with the backwater main, and a water compensating valve whenever all is installed on the way; The pipeline that is connected with pump inlet is the backwater main, and the pipeline that is connected with circulating-pump outlet is a water main, by water (flow) direction valve, tensimeter, non-return valve, cold blast sliding valve, tensimeter, draw-off valve and filtrator is housed successively on the backwater main; Draw-off valve is installed in the bottommost of backwater main, and filtrator is installed in the pump entry place; Ebullator is equipped with tensimeter and water-supply valve to the water main of simulating boiler plant; The simulation boiler comprises body of heater and end cap, simulation boiler feed water mouth is located at body of heater one bottom portion, the top corresponding with it is provided with cold blast sliding valve, water delivering orifice is located at body of heater other end top, simulation boiler water outlet end is a little more than inlet end, the contiguous water delivering orifice of body of heater port, the body of heater port is connected with flange with end cap; Two electrical bars and a thermopair are installed on end cap, and electrical bar links to each other with temperature controller by A.C. contactor, and thermopair directly is connected with temperature controller; Temperature controller, small pump, ebullator link to each other with switches set, by the duty of switches set control temperature controller, small pump and ebullator; The switches set of temperature controller, A.C. contactor, pump and simulation boiler is contained in the control box the inside, and temperature controller display screen, status lamp, protective tube, shift knob are fixed on the control box panel; The user area comprises a plurality of users and connecting line, and each user is provided with tensimeter, flowmeter, temperature-measuring casing, heating radiator, temperature-measuring casing, cold blast sliding valve and tensimeter successively by water (flow) direction; Tensimeter and flowmeter are installed on the vertical duct, and heating radiator, temperature-measuring casing and cold blast sliding valve are installed on the horizontal pipeline of certain slope; Heating radiator is a with ribbing copper pipe, the fold shape fin in the shape of a spiral shape around and be welded on the copper pipe outside; Different user is contour in the horizontal direction or exist high level poor, perhaps high and low layout on a vertical direction, or mixed-arrangement; Connecting line comprises confession, backwater main, shunt valve and confession, return branch; Link to each other with user's vertical duct for, return branch one end, an end links to each other with water supply or backwater main, and all users and shunt valve are connected in parallel between the confession, backwater main in this district; Tensimeter and bypass valve are housed on the shunt valve, before tensimeter, draw a drainpipe that draining valve is housed and insert water tank, terminal by two backwater mains of threeway level installation in parallel along water (flow) direction at shunt valve, be connected respectively in another threeway with another root backwater main after wherein a backwater main links to each other with each return branch, connect manometric threeway through one again and draw a backwater main; Close on along water (flow) direction on the water main of first water supply arm tensimeter is housed; The thermal source district is connected by confession, backwater main with the user area.
2. hydraulic working condition experimenting as claimed in claim 1 and analytical equipment is characterized in that support comprises vertical beam, crossbeam, mesa supports frame, table top, fixed rack; Vertical beam is two square steel, channel-section steel of every square steel lower vertical welding, and the flat-top universal wheel of a band kayser is installed at the two ends of every channel-section steel; Crossbeam flushes with the top of mesa supports frame, and fixed rack suspention is installed in the bottom of crossbeam and mesa supports frame, and fixed rack adopts universal steel angle to make, and the employing bolt is connected between the universal steel angle and between universal steel angle and crossbeam, the mesa supports frame; Have the poling circular hole on the table top.
3. hydraulic working condition experimenting as claimed in claim 1 or 2 and analytical equipment is characterized in that the thermal source district is arranged in the table top below, and the user is arranged in the table top top.
4. hydraulic working condition experimenting as claimed in claim 1 or 2 and analytical equipment is characterized in that water tank, small pump, ebullator, simulation boiler and control box are installed on the fixed rack.
5. hydraulic working condition experimenting as claimed in claim 1 and analytical equipment is characterized in that the entery and delivery port of pump is connected with flexible high-temperature resistance plastice flexible pipe with pipeline, and tighten with pipe collar the junction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201046971U CN201514327U (en) | 2009-09-12 | 2009-09-12 | Hydraulic power working condition experiment and analytical device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201046971U CN201514327U (en) | 2009-09-12 | 2009-09-12 | Hydraulic power working condition experiment and analytical device |
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| Publication Number | Publication Date |
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| CN201514327U true CN201514327U (en) | 2010-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009201046971U Expired - Fee Related CN201514327U (en) | 2009-09-12 | 2009-09-12 | Hydraulic power working condition experiment and analytical device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101661678B (en) * | 2009-09-12 | 2011-04-06 | 太原电力高等专科学校 | Hydraulic working condition experimenting and analyzing device |
| CN110176175A (en) * | 2018-11-22 | 2019-08-27 | 镇江华瑞节能科技有限公司 | A kind of fluid system that can simulate operating condition |
-
2009
- 2009-09-12 CN CN2009201046971U patent/CN201514327U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101661678B (en) * | 2009-09-12 | 2011-04-06 | 太原电力高等专科学校 | Hydraulic working condition experimenting and analyzing device |
| CN110176175A (en) * | 2018-11-22 | 2019-08-27 | 镇江华瑞节能科技有限公司 | A kind of fluid system that can simulate operating condition |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100623 Termination date: 20110912 |