CN204665693U - There is the boiler heat conducting oil pipe circulatory system of constant voltage protective device - Google Patents
There is the boiler heat conducting oil pipe circulatory system of constant voltage protective device Download PDFInfo
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- CN204665693U CN204665693U CN201520386584.0U CN201520386584U CN204665693U CN 204665693 U CN204665693 U CN 204665693U CN 201520386584 U CN201520386584 U CN 201520386584U CN 204665693 U CN204665693 U CN 204665693U
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- heat conducting
- boiler
- conducting oil
- circulation line
- external circulation
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Abstract
The utility model discloses a kind of boiler heat conducting oil pipe circulatory system with constant voltage protective device; comprise heat conducting oil boiler; heat conducting oil boiler is communicated with external equipment through external circulation line; described external circulation line is provided with circulating pump; be provided with the inner loop pipeline connecting external circulation line and heat conducting oil boiler; described external circulation line is provided with pressure sensor; and being provided with the first comparison circuit receiving pressure sensor signal, this first comparison circuit is for controlling the switch of the first valve on inner loop pipeline.The utility model is arranged on the exit of heat conducting oil boiler, utilizes the oil pressure in pressure sensor detection external circulation line, and when oil pressure is too high, conducting inner loop pipeline, realizes step-down protection, maintains oil pressure and stablizes.
Description
Technical field
The utility model relates to the constant voltage protection of boiler tubing, particularly relates to a kind of boiler heat conducting oil pipe circulatory system with constant voltage protective device.
Background technology
The boiler of heat-conducting oil heating is heat conducting oil boiler.Conduction oil, also known as organic heat carrier or thermal medium oil, as intermediate heat media applications in industrial heat exchange process.
Heat conducting oil boiler is the direct current cooker designed based on forced circulation thought.General with coal, oil, vapour for fuel, take conduction oil as medium, Circulation and Hot Oil Spray oil pump forced medium is utilized to carry out liquid phase circulation, return heating furnace after heat energy being flowed to heating equipment again to reheat, obtain high operating temperature at low pressures, and high-accuracy control work can be carried out to medium operation.Systematic heat utilization rate is high, and operating maintenance is convenient, adopts closed circulation heat supply to communicate with air, can service life, liquid phase or the gas-phase transport heat supply of prolonged boiler.
Such as, publication number is that the patent application of CN 104633931 A proposes a kind of boiler conduction oil heat exchange oil supply system, include boiler, the outlet of boiler is divided into multiple-way duct by Heat-transfer Oil Pump and is connected to each equipment, wherein a road pipeline is connected with the outer circulation import of heat exchanger, the outer circulation outlet of heat exchanger is connected to described boiler, the connecting pipe of Heat-transfer Oil Pump and heat exchanger outer circulation import is provided with valve, the Inner eycle outlet of described heat exchanger is connected with the heat conductive oil inlet of reactor, the conduction oil outlet of described reactor is connected with the Inner eycle import of described heat exchanger.
In prior art, conduction oil workshop forced circulation oil pipe exports-sprays tower from boiler conduction oil and divides oil cylinder-spray tower heat exchanger-spray tower to divide oil cylinder-gs-oil separator-forced circulation pump to run to boiler heat cycles.
For preventing workshop from spraying tower in point oil cylinder valve door operation process, holding wrong valve or wanting middle pipeline pressure out of service to raise suddenly, there is the problem of following several respects:
(1) each parts valve pressure is too high can produce leakage phenomenon;
(2) forced circulation pump overload operation, motor overload;
(3) the inner conduction oil of conduction oil circulates reduction, and stove combustion is constant, and oil temperature rises too fast.
Utility model content
For overcoming problems of the prior art; the utility model provides a kind of boiler heat conducting oil pipe circulatory system with constant voltage protective device; be arranged on the exit of heat conducting oil boiler; utilize the oil pressure in pressure sensor detection external circulation line; when oil pressure is too high; conducting inner loop pipeline, realizes step-down protection, maintains oil pressure and stablizes.
Concrete technical scheme of the present utility model is as follows:
A kind of boiler heat conducting oil pipe circulatory system with constant voltage protective device; comprise heat conducting oil boiler; heat conducting oil boiler is communicated with external equipment through external circulation line; described external circulation line is provided with circulating pump; be provided with the inner loop pipeline connecting external circulation line and heat conducting oil boiler; described external circulation line is provided with pressure sensor, and is provided with the first comparison circuit receiving pressure sensor signal, this first comparison circuit is for controlling the switch of the first valve on inner loop pipeline.
In the utility model, the deep fat in heat conducting oil boiler enters external equipment through external circulation line, and is back in heat conducting oil boiler, forms outer circulation; If when valve is opened wrong or out of service, pipeline pressure in external circulation line raises, and pressure sensor detects real-time pressure, and inputs the first comparison circuit and judge, if pressure is higher than setting value, first comparison circuit controls the first valve opening, conducting inner loop pipeline, and a part of conduction oil is got back in boiler through inner loop pipeline, share the pressure in external circulation line, until pressure is reduced in the scope of setting, the first comparison circuit, according to real-time pressure signal, cuts out the first valve.
As preferably, described external circulation line is provided with temperature sensor, for detecting the conduction oil temperature in external circulation line in real time.
As preferably, be provided with the oil cooling pipeline connected between external circulation line and heat conducting oil boiler, described oil cooling pipeline is provided with cooler, and the two ends of described cooler are provided with the second valve and the 3rd valve.
After inner loop pipeline opens a period of time, constantly burning in stove, oil temperature rises too fast, is unfavorable for follow-up application, and by the oil cooling pipeline arranged, the conduction oil of inner loop cools, and reaches the object reducing oil temperature.
As preferably, described temperature sensor has access to the second comparison circuit, for sending the switching signal of control second valve and the 3rd valve.
For realizing the Automated condtrol of oil cooling pipeline, adopting the second comparison circuit to receive the signal of temperature sensor, controlling the switch of the second valve and the 3rd valve, open-minded according to Oil-temperature control oil cooling pipeline.
As preferably, being provided with the current sensor be connected with circulating pump, for detecting circulating pump electric current, carrying out motor overload protection.
As preferably, described current sensor has access to the 3rd comparison circuit, for sending the switch controlling the first valve on inner loop pipeline.
3rd comparison circuit, for judging the current of electric of circulating pump, if electric current is higher than setting value, represents motor overload running, then open the first valve, conducting inner loop pipeline, to reduce motor load, until electric current recovers normally, then close inner loop pipeline, keep circulating pump motor operational excellence.
The utility model is arranged on the exit of heat conducting oil boiler, utilizes the oil pressure in pressure sensor detection external circulation line, and when oil pressure is too high, conducting inner loop pipeline, realizes step-down protection, maintains oil pressure and stablizes.
Accompanying drawing explanation
Fig. 1 is the structural representation of the boiler heat conducting oil pipe circulatory system.
Detailed description of the invention
As shown in Figure 1; a kind of boiler heat conducting oil pipe circulatory system with constant voltage protective device; comprise heat conducting oil boiler 1; heat conducting oil boiler 1 is communicated with external equipment 3 through external circulation line 14; in the exit of heat conducting oil boiler 1; external circulation line 14 is provided with circulating pump 2; be provided with the inner loop pipeline 11 connecting external circulation line 14 and heat conducting oil boiler 1; simultaneously; external circulation line 14 is provided with pressure sensor P; and being provided with the comparison circuit 5 receiving pressure sensor P signal, this comparison circuit 5 is for controlling the switch of the valve 8 on inner loop pipeline 11.
In the present embodiment, the deep fat in heat conducting oil boiler 1 enters external equipment 3 through external circulation line 14, and is back in heat conducting oil boiler, forms outer circulation; If when valve is opened wrong or out of service, pipeline pressure in external circulation line 14 raises, and pressure sensor P detects real-time pressure, and inputs comparison circuit 5 and judge, if pressure is higher than setting value, by-pass valve control 8 is opened, conducting inner loop pipeline 11, and a part of conduction oil is got back in boiler through inner loop pipeline 11, share the pressure in external circulation line 14, until pressure is reduced in the scope of setting, comparison circuit 5 according to real-time pressure signal, valve-off 8.
External circulation line 14 is provided with temperature sensor T, for detecting the conduction oil temperature in external circulation line 14 in real time.Meanwhile, be provided with the oil cooling pipeline 12 connected between external circulation line 14 and heat conducting oil boiler 1, oil cooling pipeline 12 is installed cooler 10, the two ends of cooler 10 are provided with valve 9 and valve 13.Temperature sensor T accesses comparison circuit 6, judges whether current oil temperature exceeds the scope of setting, and according to comparative result, the switch of by-pass valve control 9 and valve 13, maintains stable oil temperature.
In the present embodiment, being provided with the current sensor A be connected with circulating pump 2, for detecting circulating pump 2 electric current, carrying out motor overload protection.Current sensor A accesses comparison circuit 7, for sending the switch controlling valve 8 on inner loop pipeline 11.
In addition, external circulation line 14 near external equipment 3 is provided with pressure sensor P, this pressure sensor P is for sending the signal of by-pass valve control 4, when the hypertonia detected, represent that the conduction oil in this section circulates reduction, valve-off 4, prevents the hypertonia in external circulation line 14, and sends signal to warning device.
The foregoing is only better implementation example of the present utility model, be not limited to the utility model, all within the utility model spirit and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. one kind has the boiler heat conducting oil pipe circulatory system of constant voltage protective device; comprise heat conducting oil boiler; heat conducting oil boiler is communicated with external equipment through external circulation line; described external circulation line is provided with circulating pump; it is characterized in that; be provided with the inner loop pipeline connecting external circulation line and heat conducting oil boiler; described external circulation line is provided with pressure sensor; and being provided with the first comparison circuit receiving pressure sensor signal, this first comparison circuit is for controlling the switch of the first valve on inner loop pipeline.
2. the boiler heat conducting oil pipe circulatory system as claimed in claim 1, is characterized in that, described external circulation line is provided with temperature sensor.
3. the boiler heat conducting oil pipe circulatory system as claimed in claim 2, it is characterized in that, be provided with the oil cooling pipeline connected between external circulation line and heat conducting oil boiler, described oil cooling pipeline is provided with cooler, and the two ends of described cooler are provided with the second valve and the 3rd valve.
4. the boiler heat conducting oil pipe circulatory system as claimed in claim 3, it is characterized in that, described temperature sensor has access to the second comparison circuit, for sending the switching signal of control second valve and the 3rd valve.
5. the boiler heat conducting oil pipe circulatory system as claimed in claim 1, is characterized in that, be provided with the current sensor be connected with circulating pump.
6. the boiler heat conducting oil pipe circulatory system as claimed in claim 5, it is characterized in that, described current sensor has access to the 3rd comparison circuit, for sending the switch controlling the first valve on inner loop pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520386584.0U CN204665693U (en) | 2015-06-05 | 2015-06-05 | There is the boiler heat conducting oil pipe circulatory system of constant voltage protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520386584.0U CN204665693U (en) | 2015-06-05 | 2015-06-05 | There is the boiler heat conducting oil pipe circulatory system of constant voltage protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204665693U true CN204665693U (en) | 2015-09-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520386584.0U Expired - Fee Related CN204665693U (en) | 2015-06-05 | 2015-06-05 | There is the boiler heat conducting oil pipe circulatory system of constant voltage protective device |
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| CN (1) | CN204665693U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109357405A (en) * | 2018-10-23 | 2019-02-19 | 襄阳金达成精细化工有限公司 | A kind of high temperature heat conductive oil heating system |
-
2015
- 2015-06-05 CN CN201520386584.0U patent/CN204665693U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109357405A (en) * | 2018-10-23 | 2019-02-19 | 襄阳金达成精细化工有限公司 | A kind of high temperature heat conductive oil heating system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150923 Termination date: 20180605 |