CN202228930U - Automatic control system for freeze prevention of fluid pipeline - Google Patents
Automatic control system for freeze prevention of fluid pipeline Download PDFInfo
- Publication number
- CN202228930U CN202228930U CN2011203511922U CN201120351192U CN202228930U CN 202228930 U CN202228930 U CN 202228930U CN 2011203511922 U CN2011203511922 U CN 2011203511922U CN 201120351192 U CN201120351192 U CN 201120351192U CN 202228930 U CN202228930 U CN 202228930U
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- pipeline
- control system
- ball valve
- fluid circuit
- fluid
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Abstract
The utility model discloses an automatic control system for freeze prevention of a fluid pipeline, comprising the fluid pipeline, a compressed air pipeline, an emptying pipeline and a control system, wherein insulating layers are arranged on parts of the fluid pipeline, which are above a frost line and exposed in the air; a temperature sensor is arranged on the fluid pipeline; the compressed air pipeline is communicated with the fluid pipeline above the frost line; a first ball valve, a second ball valve and a first magnetic valve which is arranged at a middle position of the first ball valve and the second ball valve are arranged on the compressed air pipeline; the emptying pipeline is communicated with the fluid pipeline above the frost line; a third ball valve and a second magnetic valve are arranged on the emptying pipeline; and the control system is connected with the fluid pipeline, the compressed air pipeline and the emptying pipeline. According to the automatic control system for the freeze prevention of the fluid pipeline, a heating system is not needed; electric energy is not consumed; the opening temperature is set aiming at different pipelines and different areal working conditions; therefore, the energy can be effectively saved and the operating cost is reduced.
Description
Technical field
The utility model relates to the freezing proof technique of the fluid line in fields such as a kind of waste water control, especially, relates to the antifreeze automatic control system of a kind of fluid circuit.
Background technique
At present, the antifreezing measure of fluid line adopt thermal insulating material or electrically heat tracing form that pipeline is incubated more, are higher than freezing point, the situation of avoiding pipeline to freeze to keep pipeline inner fluid temperature.Though electrical tracing can effectively guarantee pipeline inner fluid temperature, the character of electrically heat tracing electricity consumption and heating has limited the material of fluid line and the range of choice of operating environment, and the operation cost of this mode is higher simultaneously.And when adopting the thermal insulating material insulation; When ambient temperature differs the temperature that is difficult to guarantee pipeline more greatly, particularly sewage conduct with pipe temperature, its intermittent type discharging modes; Encouraged the probability that pipeline freezes; Even the situation of frost crack pipe can appear, except that causing the operational system paralysis, also cause tremendous loss.
In recent years, the antifreeze control valve on the fluid line begins to occur successively, and its cardinal principle is through changing and design the internal structure of valve, with mode exhausting pipeline inner fluids such as manual works, preventing that pipeline from freezing.But this valve can only be arranged on the pipeline at fully exposed low spot place out of doors, and when fluid circuit occurred the curved and lowermost of U type under ground portion, antifreeze control valve was then invalid.Especially near the pipeline frost line is because the accumulating of fluid; Though insulation or electrical tracing are set; But heating-up temperature or holding temperature pace of change were lower than when winter, outside air temperature changed, and pipeline freezes extremely easily and is difficult for being thawed, especially long place of low thermoperiodism in the north.
The model utility content
The purpose of the utility model is to solve open-air and fluid is that intermittent type flows, the more pipeline of pipe fitting freezes in the winter time easily on the pipeline; Even cause the pipeline bursting by freezing to influence the defective of ordinary production; A kind of can effectively the prevention and low energy consumption disclosed; Low cost, the antifreeze automatic control system of the fluid line that safety reliability is high.
The antifreeze automatic control system of a kind of fluid circuit of the utility model comprises: fluid circuit, its more than the frost line and exposed aerial part on be provided with thermal insulation layer, said fluid circuit is provided with temperature transducer; Compressed air line, it is communicated with more than frost line with said fluid circuit, and said compressed air line first solenoid valve that is provided with first ball valve, second ball valve and is arranged on both midway; Blowdown piping, it is communicated with more than frost line with said fluid circuit, and said blowdown piping is provided with the 3rd ball valve and second solenoid valve; Control system, it is connected with said fluid circuit, compressed air line and blowdown piping.
Preferably, the antifreeze automatic control system of the fluid circuit of the utility model, said the 3rd ball valve is arranged on the top of said second solenoid valve, thereby is convenient to the maintenance and the replacing of the 3rd valve.
Preferably, the antifreeze automatic control system of the fluid circuit of the utility model, said the 3rd ball valve is set to normally open.
Preferably, the antifreeze automatic control system of the fluid circuit of the utility model, said first ball valve and second ball valve are set to normally open.
Preferably, the antifreeze automatic control system of the fluid circuit of the utility model also comprises second temperature transducer that is arranged on the said fluid circuit.
The beneficial effect of the utility model is: do not need heating system, not consuming electric power is opened temperature to pipeline zones of different operating mode different set, and effectively energy saving reduces operating cost; Low temperature moves automatically, and effectively solves because of pipeline inner fluid temperature and heating-up temperature change and be lower than the pipeline that air temperature variations speed causes and freeze, good effect of freezing protection, and controllability is high, and safety reliability is high; Compare with electrical tracing or antifreeze control valve, do not receive the influence of operating mode and flowing medium, do not receive the curved restriction of pipe fitting dead angle and U type, applying flexible, practical.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is done further detailed description, can implement according to this with reference to the specification literal to make those skilled in the art.
As shown in Figure 1, the antifreeze automatic control system of a kind of fluid circuit of the utility model, fluid circuit 1, its more than the frost line and exposed aerial part on be provided with thermal insulation layer 6, said fluid circuit 1 is provided with temperature transducer 2; Compressed air line 5, it is communicated with more than frost line with said fluid circuit 1, and said compressed air line 5 first solenoid valve 4 that is provided with first ball valve 8, second ball valve 10 and is arranged on both midway; Blowdown piping 9, it is communicated with more than frost line with said fluid circuit 1, and said blowdown piping 9 is provided with the 3rd ball valve 7 and second solenoid valve 3; The control system (not shown), it is connected with said fluid circuit 1, compressed air line 5 and blowdown piping 9.
Preferably, the antifreeze automatic control system of the fluid circuit of the utility model, said the 3rd ball valve 7 is arranged on the top of said second solenoid valve 3, thereby is convenient to the maintenance and the replacing of the 3rd valve 7.
Preferably, the antifreeze automatic control system of the fluid circuit of the utility model, said the 3rd ball valve 7 is set to normally open.
Preferably, the antifreeze automatic control system of the fluid circuit of the utility model, said first ball valve 8 and second ball valve 10 are set to normally open.
Preferably, the antifreeze automatic control system of the fluid circuit of the utility model also comprises the second temperature transducer (not shown) that is arranged on the said fluid circuit.
More than the frost line of fluid circuit 1 and exposed aerial part on be provided with thermal insulation layer 6, the thickness and the material of thermal insulation layer 6 are selected according to the location, conventional way gets final product, no specific (special) requirements.
Temperature transducer 2 is provided with on the ground temperature variation significantly and can realize that its parameter can be regulated according to actual conditions on the fluid circuit 1 of full-section pipe-flow.Temperature transducer 2 is used for showing and output pipeline inner fluid temperature variation signal; When fluid temperature (F.T.) is lower than setting temperature, temperature signal is transferred to control system, control system collects temperature signal; The output control signal; Open emptying second solenoid valve 3 earlier, open first solenoid valve 4 of compressed air line then, utilize compressed-air actuated pressure will be exposed to the fluid emptying in the above fluid circuit of frost line; Avoid fluid because of intermittent operation in the pipeline to accumulate the pipeline that causes and freeze even bursting by freezing, thereby reach antifreeze purpose.
Although the embodiment of the utility model is open as above; But it is not restricted to listed utilization in specification and the mode of execution; It can be applied to the field of various suitable the utility model fully, for being familiar with those skilled in the art, can easily realize other modification; Therefore under the universal that does not deviate from claim and equivalency range and limited, the legend that the utility model is not limited to specific details and illustrates here and describe.
Claims (5)
1. the antifreeze automatic control system of fluid circuit is characterized in that, comprises
Fluid circuit, its more than the frost line and exposed aerial part on be provided with thermal insulation layer, said fluid circuit is provided with temperature transducer;
Compressed air line, it is communicated with more than frost line with said fluid circuit, and said compressed air line first solenoid valve that is provided with first ball valve, second ball valve and is arranged on both midway;
Blowdown piping, it is communicated with more than frost line with said fluid circuit, and said blowdown piping is provided with the 3rd ball valve and second solenoid valve;
Control system, it is connected with said fluid circuit, compressed air line and blowdown piping.
2. the antifreeze automatic control system of fluid circuit as claimed in claim 1, it is characterized in that: said the 3rd ball valve is arranged on the top of said second solenoid valve.
3. the antifreeze automatic control system of fluid circuit as claimed in claim 1 is characterized in that: said the 3rd ball valve is set to normally open.
4. the antifreeze automatic control system of fluid circuit as claimed in claim 1 is characterized in that: said first ball valve and second ball valve are set to normally open.
5. the antifreeze automatic control system of fluid circuit as claimed in claim 1 is characterized in that: also comprise second temperature transducer that is arranged on the said fluid circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203511922U CN202228930U (en) | 2011-09-19 | 2011-09-19 | Automatic control system for freeze prevention of fluid pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203511922U CN202228930U (en) | 2011-09-19 | 2011-09-19 | Automatic control system for freeze prevention of fluid pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202228930U true CN202228930U (en) | 2012-05-23 |
Family
ID=46079516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203511922U Expired - Lifetime CN202228930U (en) | 2011-09-19 | 2011-09-19 | Automatic control system for freeze prevention of fluid pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202228930U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105805555A (en) * | 2016-03-23 | 2016-07-27 | 中国海洋石油总公司 | System and method for preventing high pour-point oil conveying pipeline from being solidified |
-
2011
- 2011-09-19 CN CN2011203511922U patent/CN202228930U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105805555A (en) * | 2016-03-23 | 2016-07-27 | 中国海洋石油总公司 | System and method for preventing high pour-point oil conveying pipeline from being solidified |
| CN105805555B (en) * | 2016-03-23 | 2018-06-01 | 中国海洋石油集团有限公司 | A kind of system and method for being used to prevent high solidifying oily conveyance conduit solidification |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120523 |
|
| CX01 | Expiry of patent term |