CN208060354U - A kind of cold and hot water circulation system for pipe part test - Google Patents
A kind of cold and hot water circulation system for pipe part test Download PDFInfo
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- CN208060354U CN208060354U CN201820263072.9U CN201820263072U CN208060354U CN 208060354 U CN208060354 U CN 208060354U CN 201820263072 U CN201820263072 U CN 201820263072U CN 208060354 U CN208060354 U CN 208060354U
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- booster pump
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Abstract
The utility model discloses a kind of cold and hot water circulation systems for pipe part test, it includes cold water booster pump, hot water booster pump, first electric three passes ball valve, second electric three passes ball valve and accumulator, the water inlet of cold water booster pump and hot water booster pump is separately connected cold water storage cistern and boiler, the water outlet of cold water booster pump and hot water booster pump is separately connected two water inlet ends of the first electric three passes ball valve, the accumulator is equipped at the water outlet of first electric three passes ball valve, and the water outlet connects one end of pipe part to be tested by water outlet mouthpiece, the other end of pipe part to be tested connects the water inlet end of solenoid valve by return water interface, the water outlet of solenoid valve connects the water inlet end of the second electric three passes ball valve, two water outlets of the second electric three passes ball valve are separately connected cold water storage cistern and boiler.The utility model uses double pump pressurized construction, so that medium temperature is not had greatly changed, and the operation is stable, service life are long, failure rate is low.
Description
Technical field
The utility model is related to a kind of cold and hot water circulation systems for pipe part test, belong to quality safety detection skill
Art field.
Background technology
Hot and cold water cycle (impact) testing machine is plastics, metal pipe material pipe fitting special inspecting equipment, and national standard is to experiment
Equipment probably requires：(1.6MPa or 2.5MPa) under a certain pressure, (20 DEG C) cycle 15min of cold water, hot water (93 DEG C)
15min is recycled, hot and cold handoff procedure is no more than 1min；Purpose be test pipe part and pipe part connector for a long time by
Under conditions of high pressure and hot and cold transformation, leakage, fracture phenomena are seen whether.
The equipment of domestic pharmaceutical industry industry manufacture at present is usually a booster pump while meeting heating and cooling condition；Thus
An experiment, and in hot and cold handoff procedure, temperature could be completed by causing a pump to have to more than 1,300 a hour of continuous work
It spends widely different, causes the sealing ring aging speed in pump to be accelerated, failure rate is very high.
Invention content
Hot water or cold water is pressurized with two pumps respectively the purpose of this utility model is to provide a kind of, and medium temperature
Degree will not have greatly changed, the cold and hot water cycle test system that service life is long, failure rate is low.
The technical scheme adopted by the utility model is that：A kind of cold and hot water circulation system for pipe part test, including
Cold water booster pump, hot water booster pump, the first electric three passes ball valve, the second electric three passes ball valve and accumulator, the cold water supercharging
The water inlet of pump and hot water booster pump is separately connected cold water storage cistern and boiler, the water outlet point of cold water booster pump and hot water booster pump
Two water inlet ends of the first electric three passes ball valve are not connected, and the accumulation of energy is equipped at the water outlet of the first electric three passes ball valve
Device, and the water outlet connects one end of pipe part to be tested by water outlet mouthpiece, the other end of pipe part to be tested passes through
Return water interface connects the water inlet end of electric control valve, the water outlet of electric control valve connect the second electric three passes ball valve into
Two water outlets of water end (W.E.), the second electric three passes ball valve are separately connected cold water storage cistern and boiler.
Further, two of the cold water booster pump, the water outlet of hot water booster pump and the first electric three passes ball valve into
The overflow valve for preventing system pressure excessively high is respectively provided between water end (W.E.).
Further, the inlet of the electric control valve is equipped with leaving water temperature sensors.
Further, pass through stainless steel between the hydraulic pressure nozzle of the accumulator and the water outlet of the first electric three passes ball valve
Bellows connects, and pressure sensor is equipped at the hydraulic pressure nozzle of accumulator.
Further, manual ball valve is equipped between the water outlet and water outlet mouthpiece of the first electric three passes ball valve.
Further, the cooling-water machine for adjusting cold water temperature, and cold water storage cistern and boiler are connected on the cold water storage cistern
Interior to be equipped with liquid level sensor, which connect with automatic watering apparatus.
The utility model advantageous effect is：
(1) this system uses double pump pressurized construction, and two pumps are service intermittents, and medium temperature will not occur it is larger
Variation, the operation is stable, service life are long, failure rate is low.
(2) this system installs electric control valve (or proportional pressure control valve) on circuit, by throttling come control system pressure；
And it is connected using stainless steel screwed tube using accumulator steady pressure to avoid influence of the temperature to Pressure Sensor Precision
Pressure sensor can effectively prevent influence of the medium temperature to sensor accuracy.
(3) triple valve switch operating pipeline is used, realizes intermittent hot and cold water alternating, and each water tank increases water level prison
The functions such as low water level power-off are crossed in brake and water shortage automatic water supplement, are prevented no-water dry combustion, are caused equipment damage.
The additional aspect and advantage of the utility model will be set forth in part in the description, partly will be from following description
In become apparent, or recognized by the practice of the utility model.
Description of the drawings
Fig. 1 is the stereogram of the utility model.
Fig. 2 is the vertical view of the utility model.
Fig. 3 is that the utility model matches figure.
In figure label for：1- cold water storage cisterns, 2- boilers, the cold and hot water circulation systems of 3-, 301- cold water booster pumps, 302- hot water
Booster pump, 303- flange rubber soft joints, 304- the first electric three passes ball valves, 305- the second electric three passes ball valves, 306- overflows
Valve, 307- accumulators, 308- pressure sensors, 309- corrugated stainless steel tubings, 310- manual ball valves, 311- electric control valves,
312- leaving water temperature sensors, 4- sample cabinets, 5- cooling-water machines.
Specific implementation mode
The utility model is described in detail in the following with reference to the drawings and specific embodiments.
As shown in Figures 1 to 3, a kind of cold and hot water circulation system for pipe part test, it is characterised in that it includes cold
Water booster pump 301, hot water booster pump 302, the first electric three passes ball valve 304, the second electric three passes ball valve 305 and accumulator
307, the water inlet of the cold water booster pump 301 and hot water booster pump 302 is separately connected cold water storage cistern 1 and boiler 2, cold water supercharging
The water outlet of pump 301 and hot water booster pump 302 is separately connected two water inlet ends of the first electric three passes ball valve 304, and first
The accumulator 307 is equipped at the water outlet of electric three passes ball valve 304, and the water outlet connects test tube to be measured by water outlet mouthpiece
One end of material pipe fitting, the other end of pipe part to be tested connects the water inlet end of electric control valve 311 by return water interface, electronic
The water outlet of regulating valve 311 connects the water inlet end of the second electric three passes ball valve 305, and the two of the second electric three passes ball valve 305
A water outlet is separately connected cold water storage cistern 1 and boiler 2.
In the utility model, the cold water booster pump 301, the water outlet of hot water booster pump 302 and the first electric three passes ball
It is respectively provided with the overflow valve 306 for preventing system pressure excessively high between two water inlet ends of valve 304.The electric control valve
311 inlet is equipped with leaving water temperature sensors 312, for monitoring whether water temperature complies with standard.The liquid of the accumulator 307
It is connected by corrugated stainless steel tubing 309 between pressure pipe mouth and the water outlet of the first electric three passes ball valve 304, and in accumulator 307
Hydraulic pressure nozzle at be equipped with pressure sensor 308.It is set between the water outlet and water outlet mouthpiece of the first electric three passes ball valve 304
There is manual ball valve 310.The cooling-water machine 5 for adjusting cold water temperature is connected on the cold water storage cistern 1, cooling-water machine 5 is used for cold water
Water temperature in case 1 controls in critical field；And liquid level sensor is equipped in cold water storage cistern 1 and boiler 2, the liquid level sensor with
Automatic watering apparatus connects.
The working process of the utility model is as follows：First by quick coupling and connecting tube by the both ends of pipe part to be tested
It is connected to water outlet mouthpiece and backwater joint, and is fixed on pipe part on the inner wall of sample cabinet 4 simultaneously by clamping regulation mechanism
A loop checking installation is formed, sample cabinet sliding door is closed after the completion of fixed.Then by switching the first electric three passes ball valve 304 and the
Two electric three passes ball valves 305 realize the break-make of cold water storage cistern 1 or boiler 2 and pipe part circuit, and start cold water booster pump 301
Start to treat the loop test tested pipe part 7 and carry out hot and cold water with hot water booster pump 302.
The basic principles and main features and advantage of the utility model have been shown and described above.The ordinary skill of this field
Personnel are not it should be appreciated that above-described embodiment limits the scope of protection of the utility model, all use equivalent replacements etc. in any form
The technical solution that mode is obtained, falls in the scope of protection of the utility model.
The parts not involved in the utility model is the same as those in the prior art or can be realized by using the prior art.
Claims (6)
1. a kind of cold and hot water circulation system for pipe part test, which is characterized in that it includes cold water booster pump, hot water increasing
Press pump, the first electric three passes ball valve, the second electric three passes ball valve and accumulator, the cold water booster pump and hot water booster pump into
The mouth of a river is separately connected cold water storage cistern and boiler, and it is electronic that the water outlet of cold water booster pump and hot water booster pump is separately connected described first
Two water inlet ends of three-way ball valve are equipped with the accumulator at the water outlet of the first electric three passes ball valve, and the water outlet passes through
Water outlet mouthpiece connects one end of pipe part to be tested, and the other end of pipe part to be tested connects electric adjustable by return water interface
The water inlet end of valve is saved, the water outlet of electric control valve connects the water inlet end of the second electric three passes ball valve, the second electric three passes
Two water outlets of ball valve are separately connected cold water storage cistern and boiler.
2. a kind of cold and hot water circulation system for pipe part test according to claim 1, which is characterized in that described
It is respectively provided between cold water booster pump, the water outlet of hot water booster pump and two water inlet ends of the first electric three passes ball valve anti-
The overflow valve of locking system hypertonia.
3. a kind of cold and hot water circulation system for pipe part test according to claim 1, which is characterized in that described
The inlet of electric control valve is equipped with leaving water temperature sensors.
4. a kind of cold and hot water circulation system for pipe part test according to claim 1, which is characterized in that described
It is connected by corrugated stainless steel tubing between the hydraulic pressure nozzle of accumulator and the water outlet of the first electric three passes ball valve, and in accumulator
Hydraulic pressure nozzle at be equipped with pressure sensor.
5. a kind of cold and hot water circulation system for pipe part test according to claim 1, which is characterized in that described
Manual ball valve is equipped between the water outlet and water outlet mouthpiece of first electric three passes ball valve.
6. a kind of cold and hot water circulation system for pipe part test according to claim 1, which is characterized in that described
It is connected with the cooling-water machine for adjusting cold water temperature on cold water storage cistern, and is equipped with liquid level sensor, the liquid in cold water storage cistern and boiler
Level sensor is connect with automatic watering apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820263072.9U CN208060354U (en) | 2018-02-23 | 2018-02-23 | A kind of cold and hot water circulation system for pipe part test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820263072.9U CN208060354U (en) | 2018-02-23 | 2018-02-23 | A kind of cold and hot water circulation system for pipe part test |
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| Publication Number | Publication Date |
|---|---|
| CN208060354U true CN208060354U (en) | 2018-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820263072.9U Active CN208060354U (en) | 2018-02-23 | 2018-02-23 | A kind of cold and hot water circulation system for pipe part test |
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| Country | Link |
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| CN (1) | CN208060354U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113533181A (en) * | 2021-07-06 | 2021-10-22 | 英利能源（中国）有限公司 | Design test method and device for photovoltaic module in seawater environment |
-
2018
- 2018-02-23 CN CN201820263072.9U patent/CN208060354U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113533181A (en) * | 2021-07-06 | 2021-10-22 | 英利能源（中国）有限公司 | Design test method and device for photovoltaic module in seawater environment |
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