CN205308298U - Take device of level gauge - Google Patents
Take device of level gauge Download PDFInfo
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- CN205308298U CN205308298U CN201520840032.2U CN201520840032U CN205308298U CN 205308298 U CN205308298 U CN 205308298U CN 201520840032 U CN201520840032 U CN 201520840032U CN 205308298 U CN205308298 U CN 205308298U
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Abstract
The utility model discloses a take device of level gauge, solved current level gauge measure the inaccuracy, to the influential scheduling problem of normal work of reation kettle and container. The utility model discloses set up the level gauge in container or reation kettle wall, there is the circulation medium of certain difference in temperature in the medium in this level gauge setting and the container, then the specific heat and the coefficient of heat transfer that utilize interior medium of container and the interior medium of non - container are different, through a plurality of temperature detecting element detect in the container in the medium with non - container in measuring temperature in the medium, the interface of medium and non - container in medium is confirmed in the container according to the change that detects the temperature, confirm the liquid level from this, it is not only practical, reliabl, and do not receive the restriction of any measurement operating mode, and application range is wide.
Description
Technical field
This utility model relates to a kind of reactor or container, specifically, relates to a kind of reactor with liquidometer or container.
Background technology
In Chemical Manufacture, it is often necessary to container or reactor (being hereafter referred to collectively as container), and its level gauging is realized by liquidometer. In prior art, liquidometer mainly includes radar level gauge, ultrasonic level gage, capacitance level gauge, radioprotective liquidometer. Wherein, radar, ultrasound wave, capacitance liquid level meter can not measure the liquid level of below container for stirring. Although radioprotective liquidometer can measure the liquid level of below agitator, but its safety in utilization is low, and its Radiation On Human constitutes a threat to, once reveal, can cause huge injury to people. And, agitated liquid is had resistance by plug-in type liquidometer, not only affects the normal operation of agitator, and affects liquid level measurement precision.
Utility model content
The purpose of this utility model is in that to overcome drawbacks described above, it is provided that a kind of realize conveniently, dependable performance and the wide device with liquidometer of use scope.
To achieve these goals, the technical solution adopted in the utility model is as follows:
A kind of device with liquidometer, including reactor or vessel, is provided with liquidometer in the wall of described reactor or vessel; Directly liquidometer is arranged in reactor or wall of a container, the liquid level that stirring is following can be measured on the one hand, on the other hand, it is to avoid plug-in type liquidometer is to the resistant defect of agitated liquid;
Further, described liquidometer includes circulation pipe, detector unit, temperature difference medium apparatus and transmitter, the two ends of described circulation pipe and described temperature difference medium apparatus connect and compose temperature difference medium circulating circuit by pipeline, and described temperature difference medium apparatus provides and container inner medium has the medium of the temperature difference and circulates in temperature difference medium circulating circuit;
Further, described detector unit is arranged on described circulation pipe outer wall, and described detector unit includes the liquid level detector unit for receiving temperature difference medium and container inner medium heat, and only receive the medium temperature detecting element of container inner medium heat, all detector units are mutually heat insulation, wherein, conduct heat between liquid level detector unit and circulation pipe outer wall, and adiabatic between medium temperature detecting element and circulation pipe outer wall;
Medium temperature detecting element can be arranged at interval, whether whether uniform and detector unit the holding wire of the concrete temperature according to container inner medium is easily arranged and is determined, but need to guarantee: as long as there being the At The Height of medium temperature detecting element just to have liquid level detector unit, and between the two end points liquid level detector unit, also have several liquid level detector units; If medium temperature is uniform, then, the holding wire of described several liquid level detector units is connected one with regard to one, and simply each holding wire of head and the tail two is drawn out to transmitter; If medium temperature is uneven, then, the holding wire of described several liquid level detector units all directly leads out transmitter;
When container inner medium temperature than more uniform up and down temperature is consistent in other words time, the density that liquid level detector unit is arranged is constant, the holding wire of the detector unit at end points place is directly sent to transmitter, and the holding wire of the liquid level detector unit between end points is one another in series, the holding wire at two ends is connected to transmitter; When non-uniform temperature, the holding wire of each liquid level detector unit is directly sent to transmitter. Liquid level detector unit arrange number whether be not dependent on container inner medium temperature consistent, and be depending on measuring the required precision of liquid level.
If container inner medium need not heat or cool down, then, circulatory mediator (temperature difference medium) selects hot circulating medium and SAPMAC method medium all passable;
According to the medium sensitivity for temperature, it is determined that the temperature of circulatory mediator, if container inner medium needs heating and time longer, now, select the circulatory mediator of heat, if container inner medium needs refrigeration and time longer, now, select cold circulatory mediator, be thus conducive to energy-conservation; Wherein, heat time heating time with cooling time is longer refers to, not only if having heating but also have refrigerating operation in container, then the operation that the time longer time referring to refrigeration and heating is relatively long.
Further, described transmitter receives the detection signal of all detector units and sends the current signal corresponding with liquid level.
Based on heat conduction principle: when liquid level detector unit is in the medium that specific heat and heat transfer coefficient are big, the heat of temperature difference medium feeding position detector unit is quickly absorbed by container inner medium or takes away, the variations in temperature (rising or falling) of detector unit is less, meanwhile, variations in temperature is also slower; When liquid level detector unit is in the medium that specific heat and heat transfer coefficient are little, the heat of temperature difference medium feeding position detector unit is difficult to be absorbed by container inner medium or take away, and therefore, liquid level detector unit temperature is higher or lower, meanwhile, variations in temperature is very fast.
In this utility model, circulation pipe structure mainly has two kinds:
One
Described circulation pipe is U-tube, mates with reactor or container bottom bottom it, and its both sides lay respectively at the both sides of reactor or container, and the pipeline that described temperature difference medium apparatus is connected with described U-tube is positioned at reactor or external container;
They are two years old
Described circulation pipe is curved pipe, it is while being positioned at the side of reactor or container, its another side is positioned at reactor or container bottom and extends to reactor or external container in bottom, and the pipeline that described temperature difference medium apparatus is connected with described curved pipe is positioned at reactor or external container.
In one embodiment, described temperature difference medium apparatus include storing add hydrothermal solution add hydrothermal solution case, controlled to provide for adding hydrothermal solution the pump of circulation power by described transmitter, add hydrothermal solution heater to what add that hydrothermal solution is heated; Described pump inlet is connected with the described hydrothermal solution case that adds by adding hydrothermal solution pipe, and pump discharge is connected with the import of described circulation pipe by adding hydrothermal solution pipe, and the outlet of described circulation pipe is connected with the described hydrothermal solution case that adds by adding hydrothermal solution pipe. Described add hydrothermal solution case is additionally provided with add hydrothermal solution case thermometer and add hydrothermal solution case upward pressure transmitter, described transmitter receive described in add hydrothermal solution case thermometer and add the detection signal of hydrothermal solution case upward pressure transmitter. Add hydrothermal solution heater and can adopt microwave heating, electrical heating or electromagnetic oven principle heating etc. The circulation power of circulatory mediator is provided by pump. Realized the variations in temperature of circulation pipe internal recycle medium (temperature difference medium) by heater, to guarantee that itself and container inner medium have the obvious temperature difference, thus improve the precision of measurement.
In another embodiment, described temperature difference medium apparatus includes the refrigeration source device being subject to described transmitter to control, the outlet of described refrigeration source device is connected by the import of refrigerator pipes with described circulation pipe, and the import of described refrigeration source device is connected with the outlet of described circulation pipe by refrigerator pipes. Further, in described refrigerator pipes, the exit that is positioned at described refrigeration source device be additionally provided with cryogenic temperature meter and pressure transmitter, described transmitter receives the detection signal of described cryogenic temperature meter and pressure transmitter. The circulation power of circulatory mediator is provided by refrigeration source device (compressor or pump). The gas looped back is cooled down by chiller, now, selects compressor to carry out cooling operations, if the medium looped back is non-gaseous medium, then selects heat exchanger or cooler that medium is carried out cooling operations, and the power of medium circulation is provided by pump.
Further, it is contemplated that energy-conservation, the circulatory mediator gap circulation of described " U " type circulation pipe.
Further, it is contemplated that saving construction cost, when described container has multiple stage to measure liquid level simultaneously, it is possible to share heater or chiller.
Further, when in container, heating operation and cooling down operation time are close, described liquidometer can have heater and chiller simultaneously.
Further, there is temperature control system in described transmitter so that circulatory mediator temperature follows the tracks of container inner medium variations in temperature, it is ensured that have rational temperature difference. Simultaneously according to the liquid level of container inner medium charging, process, discharging different phase pace of change different, described transmitter controls temperature difference automatically or according to process signal or according to manual operation signal, to adapt to the requirement of liquid level pace of change.
Further, described container inner medium homogeneous temperature, it is possible to the temperature difference according to the inlet and outlet of circulation fluid, determines the liquid level of container.
Further, in described container, liquid medium gasification needs heat, and therefore, boundary temperature may be minimum, it is possible to becomes separating surface and determines one of basis for estimation.
Compared with prior art, this utility model has the advantages that
Circulation pipe in liquidometer is arranged in the wall of container or reactor by this utility model, it is then based on heat conduction principle, utilize container inner medium different with heat transfer coefficient with the specific heat of non-container inner medium, the detection temperature in container inner medium and in non-container inner medium is detected by some detector units, container inner medium and the separating surface of non-container inner medium are determined in change according to detection temperature, thereby determine that liquid level, not only level gauging is accurate, and, the stirring operation of container or reactor will not be impacted by built-in liquidometer completely, efficiently solve the defect of existing plug-in type liquidometer.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model-embodiment 1.
Wherein, the title that accompanying drawing labelling is corresponding is as follows: 1801-transmitter, 1802-Heat-transfer Oil Pump, 1803-heat conduction fuel tank, 1804-pressure transmitter, 1805-conduction oil, 1806-heat conduction fuel tank thermometer, 1807-heat transfer oil electric heating body, 1808-valve, 1809-adpting flange, 1811-gas phase temperature detecting element, 1812-adiabator, 1813-material level detector unit, 1814-medium temperature detecting element, 1815-adiabator, 1816-adiabator, 1818-container outer wall, 1819-container inner wall.
Fig. 2 is the structural representation of this utility model-embodiment 2.
Wherein, the title that accompanying drawing labelling is corresponding is as follows: 101-transmitter, 102-Heat-transfer Oil Pump, 103-heat conduction fuel tank, 104-pressure transmitter, 105-conduction oil, 106-heat conduction fuel tank thermometer, 107-heat transfer oil electric heating body, 108-valve, 109-adpting flange, 111-gas phase temperature detecting element, 112-adiabator, 113-material level detector unit, 114-medium temperature detecting element, 115-adiabator, 116-adiabator, 118-container outer wall, 119-container inner wall.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail, and embodiment of the present utility model includes but not limited to the following example.
Embodiment 1
As it is shown in figure 1, present embodiments provide a kind of reactor with liquidometer or container, this reactor or container include reactor or vessel, and its body construction and shape are not particularly limited, and can adopt existing popular response still or container shapes. The present embodiment is provided with liquidometer in the wall of reactor or vessel, this liquidometer is based on heat conduction principle, liquid level is determined by measuring the variations in temperature of container inner medium and non-container inner medium, as being liquid medium in container, then liquid level face should be the separating surface of liquid and gas, the specific heat of container inner medium and non-container inner medium and heat transfer coefficient should be different.
In the present embodiment, liquidometer includes U-shaped circulation pipe, heater, insertion portion and transmitter 1801 part composition. Wherein, circulation pipe is arranged in the wall of container or reactor. Temperature difference medium apparatus is heater, and it is specifically made up of Heat-transfer Oil Pump 1802, heat conduction fuel tank 1803, pressure transmitter 1804, conduction oil 1805, heat conduction fuel tank thermometer 1806, heat transfer oil electric heating body 1807, valve 1808, adpting flange 1809 and insulation material; Insertion portion is by being used for measuring the liquid level detector unit 1811 of gas phase temperature in container, adiabator 1812 between detector unit, for measuring the adiabator 1815 between the liquid level detector unit 1813 of liquidus temperature in container, medium temperature detecting element 1814, gas phase temperature detecting element and U-tube part, and between medium temperature detecting element and U-tube, adiabator 1816 forms. Transmitter 1801 accepts all detector unit signals, pressure transmitter signal and externally fed power supply, provides power supply and control signal to Heat-transfer Oil Pump, sends the 4-20mADC current signal corresponding with liquid level. The holding wire of each liquid level detector unit is individually drawn out to transmitter. Transmitter individually it is drawn out to the holding wire of high liquid level detector unit as shown in Figure 1 with medium temperature detecting element, and the lead-in wire of the liquid level detector unit between the liquid level detector unit individually gone between is connected one by one, two liquid level detector unit holding wires of head and the tail are respectively drawn one and are arrived transmitter.
The operation principle of this product is as follows: when detector unit (liquid level detector unit) in container in liquid phase time, conduction oil (temperature difference medium) is quickly absorbed by liquid medium in container to the heat of detector unit or takes away, the temperature of detector unit raises less, and variations in temperature is also slower; When detector unit in container in gas phase time, conduction oil is difficult to be absorbed by gas phase media or take away to the heat of detector unit, and therefore, detector unit temperature is higher, and variations in temperature is very fast. Temperature and the rate of change of temperature according to several detector units may determine that liquid and gas separating surface is at which detector unit place, and send the current signal corresponding with liquid level by transmitter.
Embodiment 2
As in figure 2 it is shown, fluid level measuring gauge includes circulation pipe, heater, insertion portion and transmitter 101 part composition in the present embodiment. Wherein, circulation pipe is curved pipe, it is while being positioned at the side of reactor or container, and its another side is positioned at reactor or container bottom and extends to reactor or external container in bottom, and the pipeline that described temperature difference medium apparatus is connected with described curved pipe is positioned at reactor or external container. Temperature difference medium apparatus is heater, and it is specifically made up of Heat-transfer Oil Pump 102 heat conduction fuel tank 103, pressure transmitter 104, conduction oil 105, heat conduction fuel tank thermometer 106 heat transfer oil electric heating body 107, valve 108, adpting flange 109 and insulation material; Insertion portion by; Adiabator 115 between adiabator 112 between liquid level detector unit 111, temperature sensor, liquid level detector unit 113, medium temperature detecting element 114, gas phase temperature detecting element and circulation pipe and the adiabator 116 between medium temperature detecting element and circulation pipe form. Transmitter 101 accepts all detector unit signals, pressure transmitter signal and externally fed power supply, provides power supply and control signal to Heat-transfer Oil Pump, sends the 4-20mADC current signal corresponding with liquid level. The holding wire of each liquid level detector unit is individually drawn out to transmitter.
According to above-described embodiment, this utility model just can be realized well. What deserves to be explained is; under premise based on above-mentioned design principle; for solving same technical problem; even if some making on architecture basics disclosed in the utility model are without substantial change or polishing; the essence of the technical scheme adopted is still the same with this utility model, therefore it should also be as in protection domain of the present utility model.
Claims (6)
1. the device with liquidometer, including reactor or vessel, it is characterised in that be provided with liquidometer in the wall of described reactor or vessel;
Described liquidometer includes circulation pipe, detector unit, temperature difference medium apparatus and transmitter, the two ends of described circulation pipe and described temperature difference medium apparatus connect and compose temperature difference medium circulating circuit by pipeline, and described temperature difference medium apparatus provides and container inner medium has the medium of the temperature difference and circulates in temperature difference medium circulating circuit;
Described detector unit is arranged on described circulation pipe outer wall, and described detector unit includes the liquid level detector unit for receiving temperature difference medium and container inner medium heat, and only receive container inner medium heat medium temperature detecting element, all detector units are mutually heat insulation;
Described transmitter receives the detection signal of all detector units and sends the current signal corresponding with liquid level.
2. the device with liquidometer according to claim 1, it is characterized in that, described circulation pipe is U-tube, mate with reactor or container bottom bottom it, its both sides lay respectively at the both sides of reactor or container, and the pipeline that described temperature difference medium apparatus is connected with described U-tube is positioned at reactor or external container;
Or, described circulation pipe is curved pipe, it is while being positioned at the side of reactor or container, and its another side is positioned at reactor or container bottom and extends to reactor or external container in bottom, and the pipeline that described temperature difference medium apparatus is connected with described curved pipe is positioned at reactor or external container.
3. the device with liquidometer according to claim 2, it is characterized in that, described temperature difference medium apparatus include storing add hydrothermal solution add hydrothermal solution case, controlled to provide for adding hydrothermal solution the pump of circulation power by described transmitter, add hydrothermal solution heater to what add that hydrothermal solution is heated;
Described pump inlet is connected with the described hydrothermal solution case that adds by adding hydrothermal solution pipe, and pump discharge is connected with the import of described circulation pipe by adding hydrothermal solution pipe, and the outlet of described circulation pipe is connected with the described hydrothermal solution case that adds by adding hydrothermal solution pipe.
4. a kind of device with liquidometer according to claim 3, it is characterized in that, described add hydrothermal solution case is additionally provided with add hydrothermal solution case thermometer and add hydrothermal solution case upward pressure transmitter, described transmitter receive described in add hydrothermal solution case thermometer and add the detection signal of hydrothermal solution case upward pressure transmitter.
5. a kind of device with liquidometer according to claim 2, it is characterized in that, described temperature difference medium apparatus includes the refrigeration source device being subject to described transmitter to control, the outlet of described refrigeration source device is connected by the import of refrigerator pipes with described circulation pipe, and the import of described refrigeration source device is connected with the outlet of described circulation pipe by refrigerator pipes.
6. a kind of device with liquidometer according to claim 5, it is characterized in that, in described refrigerator pipes, the exit that is positioned at described refrigeration source device be additionally provided with cryogenic temperature meter and pressure transmitter, described transmitter receives the detection signal of described cryogenic temperature meter and pressure transmitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520840032.2U CN205308298U (en) | 2015-10-27 | 2015-10-27 | Take device of level gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520840032.2U CN205308298U (en) | 2015-10-27 | 2015-10-27 | Take device of level gauge |
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| Publication Number | Publication Date |
|---|---|
| CN205308298U true CN205308298U (en) | 2016-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520840032.2U Active CN205308298U (en) | 2015-10-27 | 2015-10-27 | Take device of level gauge |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107270995A (en) * | 2017-07-21 | 2017-10-20 | 中国核动力研究设计院 | High temperature fluent metal multi-level measurement apparatus and measuring method |
| CN113820353A (en) * | 2021-08-02 | 2021-12-21 | 北京锐达仪表有限公司 | Medium layering interface measuring device and heat exchange field interface measuring device |
-
2015
- 2015-10-27 CN CN201520840032.2U patent/CN205308298U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107270995A (en) * | 2017-07-21 | 2017-10-20 | 中国核动力研究设计院 | High temperature fluent metal multi-level measurement apparatus and measuring method |
| CN113820353A (en) * | 2021-08-02 | 2021-12-21 | 北京锐达仪表有限公司 | Medium layering interface measuring device and heat exchange field interface measuring device |
| CN113820353B (en) * | 2021-08-02 | 2023-11-07 | 北京锐达仪表有限公司 | Medium layering interface measuring device and heat exchange field interface measuring device |
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