CN2489325Y

CN2489325Y - Plastic pipe cold and hot water circulating detector

Info

Publication number: CN2489325Y
Application number: CN 01233023
Authority: CN
Inventors: 张晓军; 张保公; 栾芳国
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-08-10
Filing date: 2001-08-10
Publication date: 2002-05-01
Anticipated expiration: 2011-08-10

Abstract

The utility model relates to a plastic pipe hot and cold water circling detecting device, which is characterized in that: the utility model contains a cold water circling device, a hot water circling device and a manifold device; wherein the manifold device contains a plurality of manifolds which are provided with a connector respectively; a detected plastic pipe is positioned between every two manifolds; one manifold is connected with the entrance of the cold water circling device, while the other manifold is connected with the exit of the cold water circling device; also, one manifold is connected with the entrance of hot water circling device, while the other manifold is connected with the exit of the hot water circling device; and the entrance and the exit are provided with an entrance stop valve and an exit stop valve respectively. The utility model can precisely and reliably detect the pressure resistant performance and heat and fatigue resistant performance, thus filling up the blank of detecting the plastic pipe. The utility model is applicable to carry long term cold and hot liquid circling test on various plastic PVC, PE, PP pipes and aluminum-plastic laminated tube, so as to detect technical performance.

Description

Plastic pipe hot and cold water cycle detector

Technical field

The utility model relates to a kind of plastic tube pick-up unit, particularly a kind of plastic pipe hot and cold water cycle detector.

Technical background

In life and producing, the application of plastics is rather universal, and especially plastic pipe is used more popularly, no matter on building trade, mechanical industry or life appliance, with the plastics substituting metal, with plastics for timber, all used widely.But widespread use along with plastics, its quality also there is more and more higher requirement, plastic pipe for example, along with the continuous development of producing science and technology, requirement to the withstand voltage of plastic pipe and cold-and-heat resistent fatigue also greatly improves, and means detect to judge its quality and still do not have effectively reliably in context of detection at present.

The utility model content

The technical problems to be solved in the utility model provides a kind of plastic pipe hot and cold water cycle detector, use it can solve above-mentioned deficiency, it can measure the degree of the withstand voltage of plastic pipe and cold-and-heat resistent fatigue accurately and reliably, thereby detects this plastic pipe quality in this regard.

The utility model is realized by following technical scheme.Plastic pipe hot and cold water cycle detector, it is characterized in that: it comprises the cold water circulating device, hot water circulating device, the manifold device, the manifold device comprises manifold, joint is housed on manifold, between the mutual joint of two manifolds, detected plastic pipe is housed, on arbitrary manifold, be connected with the inlet of cold water circulating device, on another manifold, be connected with the outlet of cold water circulating device, equally, the inlet of the hot water circulating device that on arbitrary manifold, connects, on another manifold, be connected with the outlet of hot water circulating device, and at the inlet of each manifold, the exit is provided with out, the inlet stop valve.Described cold water inlet and hot water inlet are same inlet.Described cooling water outlet and hot water outlet are same outlet.Described cold water circulating device comprises water supply pump, accumulator, refrigeratory, cold water storage cistern, the cold water delivery side of pump links to each other with accumulator, and link to each other with the cold water inlet stop valve at manifold place, the cold water pump intake links to each other with cold water storage cistern, and the cooling water outlet stop valve at another manifold place links to each other with cold water storage cistern through refrigeratory.Described hot water circulating device comprises heat-exchanger pump, accumulator, well heater, boiler, the hot water delivery side of pump links to each other with accumulator, and link to each other with hot water inlet's stop valve at manifold place, the hot water pump intake links to each other with boiler, the hot water outlet stop valve at another manifold place links to each other with boiler, and well heater is housed in boiler.In cold water storage cistern and boiler, temperature sensor is housed.In sum, the utility model is owing to adopt hot water or cold water's circulating device, manifold device, and control this hot water or cold water with hot and cold water gateway stop valve and in detected plastic tube, alternately pass through, thereby survey the cold-resistant hot fluid cycle performance that detects this plastic tube, total system can adopt circuit control to carry out automatically.The utility model adapts to the urgent need of each quality inspection station and plastic tube production unit, for the detection of novel tube provides essential detection means, guarantees product quality.The utility model is applicable to the long-time cold fluid and hot fluid cyclic test under pressure of plastic pipes such as various PVC, PE, PP and PAP, to detect its technical feature.

The utility model is done with embodiment below in conjunction with accompanying drawing and to be specified.

Description of drawings

Fig. 1 is a schematic diagram of the present utility model,

Code name among the figure: I cold water EGR II hot water circulating device III manifold apparatus 1 cleaner 2 stop valves 3 water supply pump 3A heat-exchanger pumps 4 check valves 5 pressure gauges 6 accumulator 7A cold water inlet stop valve 7B cooling water outlet stop valve 7C hot water inlet stop valve 7D hot water outlet stop valves 8 connectors 9 high-pressure rubber pipes 10 manifolds 11 detected tubing 12 high pressure shut-off valve 13 electro connecting pressure gauges 14 temperature sensors 15 coolers 16 electric heaters 17 cold water storage cisterns 18 boilers 19 air valves 20 cold water inlet 20A hot water inlets 21 cooling water outlet 21A hot water outlets

Preferred embodiment

As Fig. 1, the utility model detects cold-resistant heat fatigue and the withstand voltage properties that dress is used to detect plastic pipe, at regular intervals, alternately with the cold water that has pressure or flow of hot water through detected tubing 11, to detect the quality of this plastic pipe 11.The utility model comprises cold water circulating device I, hot water circulating device II, manifold device III, manifold device III comprises manifold 10, connector 8 is housed on manifold 10, between the corresponding connector 8 of two manifolds 10, detected plastic pipe 11 is housed, on arbitrary manifold, as on left side manifold 10, be connected with the cold water inlet 20 of cold water circulating device I, on the manifold 10 on another manifold such as right side, be connected with the outlet 21 of cold water circulating device I, equally, on arbitrary manifold 10, be connected with the inlet 20A of hot water circulating device II, on another manifold 10, be connected with the outlet 21A of hot water circulating device II, and at the inlet 20 of each

manifold

10,20A, outlet 21, be provided with stop valve outside the 21A, to control entering and discharging of hot and cold water, promptly outside cold water inlet 20, establish stop valve 7A, establish stop valve 7C outside the hot water inlet 20A, outside cooling water outlet 21, establish stop valve 7B, establish valve outside the hot water outlet 21A and end valve 7D.In the present embodiment, cold water inlet 20 merges with hot water inlet 20A, be same water inlet, cooling water outlet 21 also is same outlet with hot water outlet 21A, comprise water supply pump 3, accumulator 6, refrigeratory 15, cold water storage cistern 17 to simplify pipeline cold water circulating device I, the outlet of water supply pump 3 links to each other with accumulator 6, and links to each other with the cold water inlet stop valve 7A at left side manifold 10 places simultaneously, and the suction inlet of water supply pump 3 links to each other with cold water storage cistern 17 through stop valve 2 filter cleaners 1.Stop valve 12 is equipped with in the hot and cold water exit at another manifold 10 places, right side, and electro connecting pressure gauge 13 links to each other with cold water storage cistern 17 through stop valve 7B, refrigeratory 15.Hot water circulating device II comprises heat-exchanger pump 3A, accumulator 6, well heater 16, boiler 18, the outlet of heat-exchanger pump 3A links to each other with accumulator 6, and link to each other with hot water inlet's stop valve 7C at manifold place simultaneously, the suction inlet of heat-exchanger pump 3A links to each other with boiler 18, hot water outlet stop valve 7D outside another manifold 10 on right side links to each other with boiler 18, and well heater 16 is housed in boiler 18.In cold water storage cistern 17 and boiler 18, temperature sensor 14 is housed all.In the present embodiment,

stop valve

7A, 7B, 7C, the 7D at each place, hot and cold water entry and exit all adopt electromagnet cut off valve, water supply pump 3 and heat-exchanger pump 3A all adopt electrical plunger pump, refrigeratory 15 is a refrigeration machine, temperature sensor 14 is used for circulating water temperature control, after water temperature departed from design temperature, sensor 14 was passed to the temperature control equipment (not shown) with temperature signal, was used to control this temperature.When using, two ends of tested tubing 11 are encased between two manifolds 10 through connector 8, start cold water device I, by water supply pump 3 cold water is sent into left side manifold 10 through stop valve 2, retaining valve 4, cold water inlet stop valve 7A, connector 8, high-pressure rubber pipe 9, cold water inlet 20, through detected tubing 11, right side manifold 10, cooling water outlet 21, high-pressure rubber pipe 9, high pressure shut-off valve 12, cooling water outlet stop valve 7B, refrigeratory 15, flow in the cold water storage cistern 17 again.Pressure gauge 5 is used to illustrate the pressure of cooling water inlet, and the pressure in the pipeline can be regulated by accumulator 6, and when cold water circulating device I worked, hot water inlet, outlet shutoff valve 7C, 7D closed.Behind the work certain hour, automatically the water supply pump among the cold water circulating device I 3 is stopped transport by control system by the time set (not shown), simultaneously stop

valve

7A, 7B are closed, start the heat-exchanger pump 3A among the hot water circulating device II and open this stop valve 7C, 7D, carry out hot water circulation.To certain hour, control system is stopped transport hot water circulating device II, starts this cold water circulating device I operation simultaneously.So circulation is until finishing stipulated number.

Claims

1, plastic pipe hot and cold water cycle detector, it is characterized in that: it comprises the cold water circulating device, hot water circulating device, the manifold device, the manifold device comprises manifold, joint is housed on manifold, between the mutual joint of two manifolds, detected plastic pipe is housed, on a manifold, be connected with the inlet of cold water circulating device, on another manifold, be connected with the outlet of cold water circulating device, equally, on a manifold, be connected with the inlet of hot water circulating device, on another manifold, be connected with the outlet of hot water circulating device, and at the inlet of each manifold, be provided with out outside the outlet, the inlet stop valve.

2, plastic pipe hot and cold water cycle detector according to claim 1 is characterized in that: described cold water inlet and hot water inlet are same inlet.

3, plastic pipe hot and cold water cycle detector according to claim 1, it is characterized in that: described cooling water outlet and hot water outlet are same outlet.

4, plastic pipe hot and cold water cycle detector according to claim 1, it is characterized in that: described cold water circulating device comprises water supply pump, accumulator, refrigeratory, cold water storage cistern, the cold water delivery side of pump links to each other with accumulator, and link to each other with the cold water inlet stop valve at manifold place, the cold water pump intake links to each other with cold water storage cistern, and the cooling water outlet stop valve at another manifold place links to each other with cold water storage cistern through refrigeratory.

5, plastic pipe hot and cold water cycle detector according to claim 1, it is characterized in that: described hot water circulating device comprises heat-exchanger pump, accumulator, well heater, boiler, the hot water delivery side of pump links to each other with accumulator, and link to each other with hot water inlet's stop valve at manifold place, the hot water pump intake links to each other with boiler, the hot water outlet stop valve at another manifold place links to each other with boiler, and well heater is housed in boiler.

6, plastic pipe hot and cold water cycle detector according to claim 1 is characterized in that: in cold water storage cistern and boiler temperature sensor is housed.