CN203551231U - Plastic pipeline system cold and hot water circulating testing machine - Google Patents
Plastic pipeline system cold and hot water circulating testing machine Download PDFInfo
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- CN203551231U CN203551231U CN201320780579.9U CN201320780579U CN203551231U CN 203551231 U CN203551231 U CN 203551231U CN 201320780579 U CN201320780579 U CN 201320780579U CN 203551231 U CN203551231 U CN 203551231U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 218
- 239000004033 plastic Substances 0.000 title claims abstract description 35
- 238000012360 testing method Methods 0.000 title abstract description 25
- 125000004122 cyclic group Chemical group 0.000 claims description 25
- 238000005057 refrigeration Methods 0.000 claims description 17
- 239000012530 fluid Substances 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 7
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 229910000861 Mg alloy Inorganic materials 0.000 claims description 3
- SXSVTGQIXJXKJR-UHFFFAOYSA-N [Mg].[Ti] Chemical compound [Mg].[Ti] SXSVTGQIXJXKJR-UHFFFAOYSA-N 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 239000005341 toughened glass Substances 0.000 claims description 3
- 238000005119 centrifugation Methods 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract 3
- 238000000034 method Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 4
- 238000000429 assembly Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000003020 moisturizing effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
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- 230000007613 environmental effect Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
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Abstract
The utility model discloses a plastic pipeline system cold and hot water circulating testing machine, comprising a sample chamber apparatus, a hot water circulating execution module, a cold water circulating execution module and an industrial cold water machine in communication with the cold water circulating execution module; the cold water tank of the cold water circulating execution module is successively in connection with the outlet valve of the cold water tank and a cold water circulating pump through pipelines and is connected to a multistage centrifugation frequency conversion pump through a cold circulating pneumatic ball valve; the hot water tank of the hot water circulating execution module is successively in connection with the outlet valve of the hot water tank and a hot water circulating pump through pipelines and is connected to the multistage centrifugation frequency conversion pump through a hot circulating pneumatic ball valve; the multistage centrifugation frequency conversion pump is in connection with the sample chamber apparatus through pipe fittings; the sample chamber apparatus is in connection with a pneumatic control valve through a return pipeline and is respectively in connection with the hot water tank and the cold water tank through a hot backwater pneumatic ball vale and a cold backwater pneumatic ball valve. The whole structure of the testing machine is a modularized split type structure, which fills the vacancy of large pipe diameter and high pressure detection of the plastic tubing industry and is simple to operate by test personnel.
Description
Technical field
The utility model relates to hot and cold water cycle art, relates in particular to a kind of cold-hot water cyclic tester for plastic pipeline system.
Background technology
At present, plastic conduit industry has covered industry-by-industry, substituted metal tubing progressively, along with the widespread use of plastic conduit in various industries, industry also progressively improves the requirement of pipe fitting tubing, especially the temperature of fluid is from low to high under the condition of checker, and it is more and more higher that tubing bears the requirement of interior pressure, and sealing property and serviceable life require more and more stricter; Known cold-hot water cyclic tester for plastic pipeline system, test parameters will meet GB/T18742--18743.2002 < < hot and cold water and with polypropylene piping system > > and ISO10508 < < cold and hot water supply system, use the requirement of thermoplast tubing and pipe fitting > > standard.
But, plastic pipe industry develop rapidly in the last few years, require also to come high, find that this instrument can not adapt to the demand of current plastic pipe industry completely, its deficiency is presented as: (1) is along with the development in plastic pipes fitting market, detection pipe diameter is increasing, and pressure requires also more and more higher; (2) market is more and more paid attention to instrument secure context, and it is high that automaticity requires, the inadequate environmental protection of instrument self refrigeration plant, and electric elements easily damage, and pipeline is long-term there is the phenomenon such as leak after using; (3) safety practice is sufficiently complete, the inadequate environmental protection of refrigeration plant, and electric elements easily damage, and pipeline is long-term uses rear existence to leak; (4) installation, observation sample etc. are very inconvenient; (5) control system operates inadequate hommization, insufficiency of function etc.In a word, in document, disclosed instrument, owing to existing problem and shortage, therefore needs edition upgrading.
Based on above problem, need a kind of new cold-hot water cyclic tester for plastic pipeline system badly.
Utility model content
The purpose of this utility model is to propose a kind of cold-hot water cyclic tester for plastic pipeline system, filled up the vacancy that plastic pipe industry Large Diameter Pipeline, high pressure detect, testing crew is simple to operate, observation experiment process safety understands, the safety of personnel and instrument in warranty test process, automation equipment degree is higher, and in detail writing time the curve phenomenon such as temperature cycle.
For reaching this object, the utility model by the following technical solutions:
A cold-hot water cyclic tester for plastic pipeline system, comprises sample chamber device, hot water circulation execution module, cold water circulation execution module and coupled logical Cool-water Machine for Industry;
The cold water storage cistern of described cold water circulation execution module connects after cold water storage cistern outlet valve and cold water circulation pump successively by pipeline, by cold circulation pneumatic ball valve, is connected to multistage centrifugal variable frequency pump;
The boiler of described hot water circulation execution module connects after boiler outlet valve and hot water circulating pump successively by pipeline, by thermal cycle pneumatic ball valve, is connected to multistage centrifugal variable frequency pump;
Described multistage centrifugal variable frequency pump is connected with sample chamber device by pipe fitting, and described sample chamber device is connected with pneumatic control valve by water return pipeline, then through overheated backwater pneumatic ball valve and cold backwater pneumatic ball valve, is connected to boiler and cold water storage cistern respectively.
As preferably, described cold-hot water cyclic tester for plastic pipeline system also comprises throttling valve, and described throttling valve is in parallel with pneumatic control valve.
As preferably, in described throttling valve, be provided with single-stage or multistage valve plate, every grade of valve plate is provided with hole.
As preferably, described multistage centrifugal variable frequency pump outlet is erect pipeline section flowmeter is installed, by pipeline, be connected with sample water inlet with circulating pressure table successively afterwards, on the pipeline between flowmeter and circulating pressure table, be connected with circulating temperature feedback assembly and press feedback device;
Described sample water delivering orifice is connected with throttling valve with pneumatic control valve after pressure of return water table through return water temperature feedback assembly again;
Described circulating temperature feedback assembly, press feedback device, return water temperature feedback assembly and pressure of return water table are all connected to pipeline by U-shaped pipe.
As preferably, described cold water storage cistern is connected with the water inlet of Cool-water Machine for Industry after being communicated with successively refrigeration outlet valve, refrigeration exchanging pump and refrigeration solenoid valve by pipeline, the water delivering orifice of Cool-water Machine for Industry is connected with cold water storage cistern, and described refrigeration solenoid valve is in parallel with refrigerating capacity variable valve after connecting with Cool-water Machine for Industry.
As preferably, described sample chamber device comprises framework, water leg;
Safety door and safety door protection lock are installed on described framework, and side is provided with station control valve window; Described framework is comprised of aluminium alloy extrusions, and described safety door is comprised of titanium magnesium alloy double layer hollow tempered glass; Described safety door adopts open type or collapsible unfolding mode;
In described water leg, be provided with water leakage alarm device, described water leakage alarm device is connected with PLC control system.
As preferably, described cold water circulation execution module also comprises cold temperature feedback device, cold fluid level control device, water replanishing device, cold water storage cistern bottom bracket.
As preferably, described hot water circulation execution module also comprises hot temperature degree feedback assembly, hydrothermal solution level control device, heating system, boiler bottom bracket.
As preferably, the pipeline of described cold water circulation execution module and hot water circulation execution module is all used pipeline fixing support to fix, and pipeline linkage section adopts and flexibly connects.
As preferably, described PLC control system adopts touch-screen to show.
The beneficial effects of the utility model are: the utility model provides a kind of cold-hot water cyclic tester for plastic pipeline system, comprise sample chamber device, hot water circulation execution module, cold water circulation execution module and coupled logical Cool-water Machine for Industry; The cold water storage cistern of described cold water circulation execution module connects after cold water storage cistern outlet valve and cold water circulation pump successively by pipeline, by cold circulation pneumatic ball valve, is connected to multistage centrifugal variable frequency pump; The boiler of described hot water circulation execution module connects after boiler outlet valve and hot water circulating pump successively by pipeline, by thermal cycle pneumatic ball valve, is connected to multistage centrifugal variable frequency pump; Described multistage centrifugal variable frequency pump is connected with sample chamber device by pipe fitting, and described sample chamber device is connected with pneumatic control valve by water return pipeline, then through overheated backwater pneumatic ball valve and cold backwater pneumatic ball valve, is connected to boiler and cold water storage cistern respectively.This testing machine one-piece construction is modularization split-type structural, filled up the vacancy that plastic pipe industry Large Diameter Pipeline, high pressure detect, testing crew is simple to operate, observation experiment process safety understands, the safety of personnel and instrument in warranty test process, automation equipment degree is higher, and in detail writing time the curve phenomenon such as temperature cycle.
Accompanying drawing explanation
Fig. 1 is the structural representation of the cold-hot water cyclic tester for plastic pipeline system that provides of the utility model embodiment;
Fig. 2 is the single-stage throttling valve front view that the utility model embodiment provides;
Fig. 3 is the single-stage throttling valve vertical view that the utility model embodiment provides;
Fig. 4 is the Multi-level throttle valve front view that the utility model embodiment provides;
Fig. 5 is the Multi-level throttle valve vertical view that the utility model embodiment provides;
Fig. 6 is the structural representation of the multistage centrifugal variable frequency pump that provides of the utility model embodiment;
Fig. 7 is the safety door front view that the utility model embodiment provides;
Fig. 8 is the safety door vertical view that the utility model embodiment provides;
Fig. 9 is the structural representation of the press feedback device that provides of the utility model embodiment.
Wherein:
1. Cool-water Machine for Industry; 2. refrigerating capacity variable valve; 3. solenoid valve freezes; 4. cold water storage cistern; 5. exchanging pump freezes; 6. cold water storage cistern outlet valve; 7. moisturizing solenoid valve; 8. cold fluid level control device; 9. cold water circulation pump; 10. outlet valve freezes; 11. cold water storage cistern draining valves; 12. cold water loop back water valve; 13. cold temperature feedback devices; 14. total draining valves; 15. boiler outlet valves; 16. boiler draining valves; 17. hot water circulating pumps; 18. hydrothermal solution level control devices; 19. hot water circulation back-water valve (BWV)s; 20. hot temperature degree feedback assemblys; 21. boilers; 22. thermal cycle pneumatic ball valves; 23. cold circulation pneumatic ball valves; 24. boiler back-water valve (BWV)s; 25. hot backwater pneumatic ball valves; 26. pneumatic control valves; 27. filtrators; 28. cold backwater pneumatic ball valves; 29. cold water storage cistern back-water valve (BWV)s; 30. pressure of return water tables; 31. return water temperature feedback assemblys; 32. circulating temperature feedback assemblys; 33. press feedback devices; 34. circulating pressure tables; 35. station hand valves; 36. pipeline fixing supports; 37. samples; 38. multistage centrifugal variable frequency pumps; 39. water leakage alarm devices; 40. sample chamber devices; 41. water leakage alarm devices are removed hand valve; 42. single-stage throttling valve; 421. single-stage throttle bore; 43. Multi-level throttle valves; 431. multi-level throttle valve openings; 46. flowmeters; 47. safe door-plates; 48. support columns.
Embodiment
Below in conjunction with accompanying drawing and by embodiment, further illustrate the technical solution of the utility model.
Below in conjunction with Fig. 1 to Fig. 9, cold-hot water cyclic tester for plastic pipeline system is described in detail.
As shown in Figure 1, this kind of cold-hot water cyclic tester for plastic pipeline system one-piece construction is modularization split-type structural, mainly comprises sample chamber device 40, hot water circulation execution module, cold water circulation execution module and coupled logical Cool-water Machine for Industry.Because instrument one-piece construction is modularization split-type structural, thus be assembling, transportation, debugging all more convenient.
The cold water storage cistern 4 of described cold water circulation execution module connects after cold water storage cistern outlet valve 6 and cold water circulation pump 9 successively by pipeline, by cold circulation pneumatic ball valve 23, is connected to multistage centrifugal variable frequency pump 38, for multistage centrifugal variable frequency pump 38 provides cold water source.
The boiler 21 of described hot water circulation execution module connects after boiler outlet valve 15 and hot water circulating pump 17 successively by pipeline, by thermal cycle pneumatic ball valve 22, is connected to multistage centrifugal variable frequency pump 38, for multistage centrifugal variable frequency pump 38 provides thermal water source.
Described multistage centrifugal variable frequency pump 38 is connected with sample chamber device 40 by pipe fitting, described sample chamber device 40 is connected with pneumatic control valve 26 by water return pipeline, then through overheated backwater pneumatic ball valve 25 and cold backwater pneumatic ball valve 28, is connected to boiler and cold water storage cistern respectively.
Cold water circulation execution module is connected with the water inlet pipe mouth of capstan system respectively with hot water circulation execution module, under prerequisite at the appointed time, by pneumatic ball valve, automatically switch and pressure must be steadily, cold water and the hot water of set point of temperature are provided, by capstan system, coupon pipe is detected, and switched at the appointed time, water return pipeline by the other port difference cold water circulation execution module of sample and hot water circulation execution module, is automatically switched and is got back to corresponding water tank by pneumatic ball valve.
In the present embodiment, this kind of cold-hot water cyclic tester for plastic pipeline system also comprises throttling valve, and described throttling valve is in parallel with pneumatic control valve 26.Pneumatic control valve 26 is connected side by side and is mainly used in large pipe with small pipe diameter automatic switchover with throttling valve, during Large Diameter Pipeline, pneumatic control valve 26 is opened, liquid passes through variable valve 26 and throttling valve simultaneously, during pipe with small pipe diameter, pneumatic control valve 26 cuts out, through throttling valve, realize and guarantee pressure stability to adapt to small-large flow, pressure, caliber separately.
In the present embodiment, throttling valve is a narrow meshed baffle plate, and main realization guarantees pressure stability, also can Multi-level throttle valve.Concrete, in described throttling valve, being provided with single-stage or multistage valve plate, every grade of valve plate is provided with hole.Described can be single-stage throttling valve 42, can be also Multi-level throttle valve 43.On the baffle plate of described single-stage throttling valve 42, be provided with 9 single-stage throttle bore 421, as shown in Figures 2 and 3; On the baffle plate of described Multi-level throttle valve 43, be provided with 4 multi-level throttle valve openings 431, as shown in Figures 4 and 5.
Described capstan system mainly comprises force (forcing) pump, press feedback device.Described force (forcing) pump is multistage centrifugal variable frequency pump 38.In addition, main line is also provided with flow monitoring device, concrete, and described multistage centrifugal variable frequency pump 38 outlets are erect pipeline section flowmeter 46 is installed, as shown in Figure 6.Described flowmeter 46 is flow monitoring device, for checking flow.Multistage centrifugal variable frequency pump 38 is connected with sample 37 water inlets with circulating pressure table 34 with pipeline successively by metal hose afterwards, is connected with circulating temperature feedback assembly 32 and press feedback device 33 on the pipeline between flowmeter 46 and circulating pressure table 34.
Described sample 37 water delivering orifices are connected with throttling valve with pneumatic control valve 26 after pressure of return water table 30 through return water temperature feedback assembly 31 again, then through overheated backwater pneumatic ball valve 25 and cold backwater pneumatic ball valve 28, are connected to boiler and cold water storage cistern respectively.The structure of described press feedback device as shown in Figure 9.Wherein after hot backwater pneumatic ball valve 25 and cold backwater pneumatic ball valve 28, be also connected with boiler back-water valve (BWV) 24 parallel with one another and cold water storage cistern back-water valve (BWV) 29.In this programme, also comprise filtrator 27, described filtrator 27 is connected in parallel with pneumatic control valve 26.
Large flow compression system provides 1.6Mpa pressure, and on pipeline, the mechanism of heat insulation of signal collecting element is the little characteristic of density ratio cold water that adopts hot water, and hot water always floats over cold water upper strata, by connecting U-shaped pipe fitting in tubing lower end, then is connected with signal collecting element.Concrete, described circulating temperature feedback assembly 32, press feedback device 33, return water temperature feedback assembly 31 and pressure of return water table 30 are all connected to pipeline by U-shaped pipe.
Refrigeration modes is used environment-protecting industrial cooling-water machine to control temperature by cool-heat-exchanger for cold water storage cistern.Concrete, described cold water storage cistern 4 is connected with the water inlet of Cool-water Machine for Industry 1 after being communicated with successively refrigeration outlet valve 10, refrigeration exchanging pump 5 and refrigeration solenoid valve 3 by pipeline, and the water delivering orifice of Cool-water Machine for Industry 1 is connected with cold water storage cistern 4, plays cold water temperature regulating action.Described refrigeration solenoid valve 3 is in parallel with refrigerating capacity variable valve 2 after connecting with Cool-water Machine for Industry 1.Described Cool-water Machine for Industry has temperature protection function, and refrigerating efficiency is high, can in the short time, refrigeration arrive required test temperature, and control accuracy is high, and environment-protecting industrial cooling-water machine is that cold water storage cistern is controlled temperature by cool-heat-exchanger.
Described sample chamber device 40 mainly comprises that framework, sample interface, sample mount, water leg, safety device, pressure abnormity are reported to the police, remote control switch.
As shown in Figure 7 and Figure 8; described framework is comprised of aluminium alloy extrusions; collocation titanium magnesium alloy double layer hollow tempered glass safety door; can make sample chamber the place ahead integral body open; safety door is provided with safety protection lock; side is provided with station control valve window, and instrument surrounding is all installed emergency stop device, to shut down in time.Described safety door adopts open type or collapsible unfolding mode, and easy to operate, good looking appearance is generous.
In described water leg, be provided with water leakage alarm device 39, described water leakage alarm device 39 is connected with PLC control system.Instrument software adopts PLC control technology, and described PLC control system adopts touch-screen to show, interface is clear, simple to operate, and stability is high, increases the hommization of instrument.
In sample chamber, be provided with safety door security lock arrangement, remote control, instrument surrounding is provided with emergency stop switch to shut down in time.
Described cold water circulation execution module also comprises cold temperature feedback device 13, cold fluid level control device 8, water replanishing device, cold water storage cistern bottom bracket.
Described hot water circulation execution module also comprises hot temperature degree feedback assembly 20, hydrothermal solution level control device 18, heating system, boiler bottom bracket.
A connection branch road of total draining valve 14 is connected on cold water storage cistern by cold water storage cistern draining valve 11 successively, and another connection branch road of total draining valve 14 is connected on boiler by boiler draining valve 16 and run-down pipe successively.Two branch roads that are connected with total draining valve 14 are respectively used to the draining of cold water storage cistern and boiler.
In the present embodiment, the pipeline of described cold water circulation execution module and hot water circulation execution module is all used pipeline fixing support to fix, and in warranty test process, pipeline is firm.Pipeline linkage section adopts and flexibly connects.Pipe fitting clamping has adopted rotation to detain formula locking ring device, and clamping is quick.
Cold-hot water cyclic tester for plastic pipeline system described in the utility model also comprises switch board, electric appliance box, prestressing apparatus, chip ball valve and stainless steel pipeline.Switch board mainly comprises casing, touch-screen, USB interface, cantilever section bar; Electric appliance box mainly comprises casing forceful electric power plate, weakness plate, PLC control system; Prestressing apparatus mainly comprises device for measuring force, force application apparatus, display.
In the present embodiment, whole pipeline forms a closed circulation system, partial high pressure pipeline section, the multistage centrifugal variable frequency pump of external import pressurizes by test condition to sample, can guarantee the hardware foundation tested for a long time, and flow is large, lift is high, can meet test pressure requirement, guarantee the adaptability of whole pilot system to various samples, promote the detectability of applying unit.System has been used efficient 2 chip pneumatic valves, and flow is large, closes tightly, has reduced failure rate, has improved the serviceable life of complete machine.Heating arrangement has adopted 304 stainless steels to lengthen heating tube, and homogeneous heating is reliable and stable, can in the short time, be heated to test temperature required.Refrigerating plant has adopted import Cool-water Machine for Industry, has temperature protection function, and refrigerating efficiency is high, can in the short time, refrigeration arrive required test temperature, and control accuracy is high.Protective device has electrical equipment overload protection, safety door latch protection, liquid level protection, pressure abnormity is reported to the police and temperature detection protection; once instrument occurs abnormal; system will auto stop; the in the situation that of anhydrous or lack of water; heating and refrigerating plant do not start; and prompting warning, the safety of warranty test personnel and instrument itself.
The principle of work of cold-hot water cyclic tester for plastic pipeline system described in the utility model and mutual relationship: first total draining valve 14 cuts out, cold water storage cistern draining valve 11 boiler draining valves 16 are opened, boiler and cold water storage cistern are communicated with, by moisturizing solenoid valve 7, to instrument, supply water, in water tank, be provided with fluid level control device, after water level arrives water level, system is closed moisturizing solenoid valve 7 by fluid level control device feedack, and close cold water storage cistern draining valve 11 boiler draining valves 16, all the other hand valves are all opened, start cold circulation pneumatic ball valve 23 and cold backwater pneumatic ball valve 28, by solenoid control, automatically open, all the other pneumatic ball valves are normally off, cold water circulation pump 9 starts, it is for cold water self-loopa and provide multistage centrifugal variable frequency pump 38 water sources, through sample, turn back in cold water storage cistern, arrival system arranged after cycling time, thermal cycle pneumatic ball valve 22 and hot backwater pneumatic ball valve 25 are opened automatically, cold circulation pneumatic ball valve 23 and cold backwater pneumatic ball valve 28 are closed, by 38 pressurizations of centrifugation frequency pump, through sample, turn back in boiler, the realization circulation that colds and heat succeed each other, by this repetition, plastic duct system is carried out to hot and cold water cyclic test.In process of the test, if cold water storage cistern, water severe attrition in boiler is too much, when liquid level is down to regulation liquid level, cold fluid level control device 8 and hydrothermal solution level control device 18 pass to PLC control system by signal, system can stop test automatically, if leaking appears in test pipe system in sample chamber, when the water level below water leg surpasses specified altitude, the water leakage alarm device 39 that is located at water leg also reaches signal PLC control system, system stops test automatically, in process of the test, safety door is locking state, can not open, test when out of service, safety door can be opened.
The beneficial effects of the utility model are: good looking appearance; test pressure is more stable; various safety guards have been increased; experimental safe grade is improved; touch screen interface is simple to operate, and hommization degree is high, observed data and to consult historical record clear; control system is stable, and sample chamber dress sample is convenient and swift.
Know-why of the present utility model has below been described in conjunction with specific embodiments.These are described is in order to explain principle of the present utility model, and can not be interpreted as by any way the restriction to the utility model protection domain.Explanation based on herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present utility model, within these modes all will fall into protection domain of the present utility model.
Claims (10)
1. a cold-hot water cyclic tester for plastic pipeline system, is characterized in that, comprises sample chamber device (40), hot water circulation execution module, cold water circulation execution module and coupled logical Cool-water Machine for Industry;
The cold water storage cistern (4) of described cold water circulation execution module connects after cold water storage cistern outlet valve (6) and cold water circulation pump (9) successively by pipeline, by cold circulation pneumatic ball valve (23), is connected to multistage centrifugal variable frequency pump (38);
The boiler of described hot water circulation execution module (21) connects after boiler outlet valve (15) and hot water circulating pump (17) successively by pipeline, by thermal cycle pneumatic ball valve (22), is connected to multistage centrifugal variable frequency pump (38);
Described multistage centrifugal variable frequency pump (38) is connected with sample chamber device (40) by pipe fitting, described sample chamber device (40) is connected with pneumatic control valve (26) by water return pipeline, then through overheated backwater pneumatic ball valve (25) and cold backwater pneumatic ball valve (28), is connected to boiler and cold water storage cistern respectively.
2. cold-hot water cyclic tester for plastic pipeline system according to claim 1, is characterized in that, also comprises throttling valve, and described throttling valve is in parallel with pneumatic control valve (26).
3. cold-hot water cyclic tester for plastic pipeline system according to claim 2, is characterized in that, is provided with single-stage or multistage valve plate in described throttling valve, and every grade of valve plate is provided with hole.
4. cold-hot water cyclic tester for plastic pipeline system according to claim 2, is characterized in that,
Described multistage centrifugal variable frequency pump (38) outlet is erect pipeline section flowmeter (46) is installed, by pipeline, be connected with sample (37) water inlet with circulating pressure table (34) successively afterwards, on the pipeline between flowmeter (46) and circulating pressure table (34), be connected with circulating temperature feedback assembly (32) and press feedback device (33);
Described sample (37) water delivering orifice is connected with throttling valve with pneumatic control valve (26) after pressure of return water table (30) through return water temperature feedback assembly (31) again;
Described circulating temperature feedback assembly (32), press feedback device (33), return water temperature feedback assembly (31) and pressure of return water table (30) are all connected to pipeline by U-shaped pipe.
5. cold-hot water cyclic tester for plastic pipeline system according to claim 1, it is characterized in that, described cold water storage cistern (4) is connected with the water inlet of Cool-water Machine for Industry (1) after being communicated with successively refrigeration outlet valve (10), refrigeration exchanging pump (5) and refrigeration solenoid valve (3) by pipeline, the water delivering orifice of Cool-water Machine for Industry (1) is connected with cold water storage cistern (4), and described refrigeration solenoid valve (3) is in parallel with refrigerating capacity variable valve (2) after connecting with Cool-water Machine for Industry (1).
6. cold-hot water cyclic tester for plastic pipeline system according to claim 1, is characterized in that, described sample chamber device (40) comprises framework, water leg;
Safety door and safety door protection lock are installed on described framework, and side is provided with station control valve window; Described framework is comprised of aluminium alloy extrusions, and described safety door is comprised of titanium magnesium alloy double layer hollow tempered glass; Described safety door adopts open type or collapsible unfolding mode;
In described water leg, be provided with water leakage alarm device (39), described water leakage alarm device (39) is connected with PLC control system.
7. cold-hot water cyclic tester for plastic pipeline system according to claim 1, is characterized in that, described cold water circulation execution module also comprises cold temperature feedback device (13), cold fluid level control device (8), water replanishing device, cold water storage cistern bottom bracket.
8. cold-hot water cyclic tester for plastic pipeline system according to claim 1, is characterized in that, described hot water circulation execution module also comprises hot temperature degree feedback assembly (20), hydrothermal solution level control device (18), heating system, boiler bottom bracket.
9. cold-hot water cyclic tester for plastic pipeline system according to claim 1, is characterized in that, the pipeline of described cold water circulation execution module and hot water circulation execution module is all used pipeline fixing support to fix, and pipeline linkage section adopts and flexibly connects.
10. cold-hot water cyclic tester for plastic pipeline system according to claim 6, is characterized in that, described PLC control system adopts touch-screen to show.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320780579.9U CN203551231U (en) | 2013-12-02 | 2013-12-02 | Plastic pipeline system cold and hot water circulating testing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320780579.9U CN203551231U (en) | 2013-12-02 | 2013-12-02 | Plastic pipeline system cold and hot water circulating testing machine |
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| CN203551231U true CN203551231U (en) | 2014-04-16 |
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| CN201320780579.9U Expired - Lifetime CN203551231U (en) | 2013-12-02 | 2013-12-02 | Plastic pipeline system cold and hot water circulating testing machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108195708A (en) * | 2018-02-23 | 2018-06-22 | 江苏省产品质量监督检验研究院 | A kind of sample cabinet for cold and hot water cycle test |
| CN108489831A (en) * | 2018-02-23 | 2018-09-04 | 江苏省产品质量监督检验研究院 | A kind of cold and hot water cycle test equipment |
| CN109987207A (en) * | 2019-04-24 | 2019-07-09 | 合肥天鹅制冷科技有限公司 | A kind of naval vessel diving cabin ring control device based on PLC control system |
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2013
- 2013-12-02 CN CN201320780579.9U patent/CN203551231U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108195708A (en) * | 2018-02-23 | 2018-06-22 | 江苏省产品质量监督检验研究院 | A kind of sample cabinet for cold and hot water cycle test |
| CN108489831A (en) * | 2018-02-23 | 2018-09-04 | 江苏省产品质量监督检验研究院 | A kind of cold and hot water cycle test equipment |
| CN109987207A (en) * | 2019-04-24 | 2019-07-09 | 合肥天鹅制冷科技有限公司 | A kind of naval vessel diving cabin ring control device based on PLC control system |
| CN109987207B (en) * | 2019-04-24 | 2024-01-12 | 合肥天鹅制冷科技有限公司 | Ship diving chamber environmental control device based on PLC control system |
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