CN212663604U - Constant temperature tank for on-line vibrating tube densimeter verification - Google Patents
Constant temperature tank for on-line vibrating tube densimeter verification Download PDFInfo
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- CN212663604U CN212663604U CN202021237182.1U CN202021237182U CN212663604U CN 212663604 U CN212663604 U CN 212663604U CN 202021237182 U CN202021237182 U CN 202021237182U CN 212663604 U CN212663604 U CN 212663604U
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Abstract
The utility model relates to the technical field of detection and inspection equipment, in particular to a constant temperature bath for the verification of an online vibrating tube densimeter, which comprises a bath, a stirrer, a first heating mechanism, a bath kettle, a heat preservation device and a control system; the bath is used for containing a heating medium; the stirrer is arranged on the bath tank; a first temperature sensor is arranged on the bath; the heating mechanism I is arranged on the outer side of the bath; the bath pot is arranged in the bath tank and can exchange heat with a heating medium in the bath tank; the heat preservation device includes: a heat preservation container and a heating mechanism II; the heat preservation container is used for containing a heating medium; the heat preservation container is communicated with the bath through a pipeline; a second temperature sensor is arranged on the heat-insulating container; the heating mechanism II is arranged on the outer side of the heat-insulating container; the control system is respectively connected with the first temperature sensor and the second temperature sensor; the control system is respectively connected with the first heating mechanism and the second heating mechanism. Adopt the utility model discloses can reduce the latency of heating bath inslot liquid.
Description
Technical Field
The utility model relates to a detect the check out test set technical field, especially relate to a constant temperature bath for online vibrating tube densimeter examination.
Background
The constant temperature bath is a bath body which can provide a constant temperature field, is suitable for chemical, biological and physical laboratories which need to work under the conditions of low temperature and normal temperature, and is necessary equipment for laboratories of medicine, health, chemical industry, food industry, metallurgical industry, colleges and universities, scientific research, genetic engineering, polymer engineering and the like. The thermostatic bath can be thermostatted, and the thermostatic controller is mainly used for controlling the heat balance of the thermostatic bath. When the heat of the thermostatic bath is dissipated outwards and the temperature of the thermostatic bath is reduced, the thermostatic controller drives the electric heater in the thermostatic bath to work, and when the thermostatic bath is heated to the required temperature, the electric heater stops heating, so that the temperature of the thermostatic bath is kept constant.
Traditional thermostatic bath need consume a large amount of electric energy and heat the interior liquid of cell body to the required temperature of experiment in the heating process, need compressor work again when needs low temperature to drop to low temperature to the interior liquid of cell body, intensification and the consuming time power of cooling in-process, and the cell body that liquid was placed to current thermostatic bath generally is fixed, can only go on through the mode of self priming pump extraction when changing liquid, consumes the manpower, waste time.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a constant temperature bath for online vibration pipe densimeter examination, main aim at reduces the latency of heating bath inslot liquid, is convenient for change the bath, practices thrift the experimental time.
In order to achieve the above object, the utility model mainly provides the following technical scheme:
the embodiment of the utility model provides a constant temperature bath for the verification of an online vibrating tube densimeter, which comprises a bath, a stirrer, a first heating mechanism, a bath kettle, a heat preservation device and a control system;
the bath is used for containing a heating medium; the bottom of the bath tank is provided with a liquid outlet for discharging liquid;
the stirrer is arranged on the bath and is used for stirring the heating medium in the bath;
the bath is provided with a first temperature sensor used for detecting the temperature of a heating medium in the bath;
the heating mechanism I is arranged on the outer side of the bath and used for heating the bath;
the bath pot is used for containing a liquid medium to be tested; the bath pot is arranged in the bath tank and can exchange heat with a heating medium in the bath tank; the bath is supported on the bath and can move relative to the bath;
the heat preservation device includes: a heat preservation container and a heating mechanism II;
the heat preservation container is used for containing a heating medium; the heat-insulating container is communicated with the bath through a pipeline so that liquid in the heat-insulating container can flow into the bath;
a second temperature sensor is arranged on the heat-insulating container;
the heating mechanism II is arranged on the outer side of the heat-insulating container and used for heating the heat-insulating container;
the control system is respectively connected with the first temperature sensor and the second temperature sensor and is used for acquiring temperature information of the bath and the heat-preservation container;
the control system is respectively connected with the first heating mechanism and the second heating mechanism and is used for controlling the actions of the first heating mechanism and the second heating mechanism.
Further, a first thermometer is arranged on the bath.
Furthermore, a second thermometer is arranged on the heat preservation container.
Further, a water pump is arranged on the pipeline to pump the liquid in the heat preservation container into the bath tank.
Furthermore, a control valve is arranged on the pipeline and used for controlling the on-off of the pipeline;
the liquid level in the heat preservation container is higher than that of the bath.
Furthermore, a plurality of heat preservation containers are provided; a plurality of heating mechanisms II are arranged; and the second heating mechanisms are arranged in one-to-one correspondence with the heat-preservation containers.
Further, the first heating mechanism comprises: heating resistance wires;
the heating resistance wire is surrounded on the outer side of the bath tank; the heating resistance wire and the bath are isolated by glass materials.
Further, be provided with the lug on the bath to it is convenient right the bath removes.
Further, the control system includes: an overtemperature early warning self-breaking device;
the over-temperature early warning self-breaking device is connected with the first heating mechanism and the second heating mechanism respectively, so that the first heating mechanism and/or the second heating mechanism are broken when the temperature reaches a preset value.
Furthermore, a liquid outlet at the bottom of the bath is provided with an electromagnetic valve; the solenoid valve is connected with the control system to be controlled by the control system.
Borrow by above-mentioned technical scheme, the utility model is used for the constant temperature bath of online vibrating tube densimeter examination has following advantage at least:
the waiting time of liquid in the heating bath can be reduced, the bath kettle is convenient to replace, and the experimental time is saved.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
Fig. 1 is a schematic diagram of a constant temperature bath for verification of an online vibrating tube densitometer according to an embodiment of the present invention.
Shown in the figure:
the device comprises a bath tank 1, a liquid outlet 1-1, a stirrer 2, a heating mechanism I3, a bath kettle 4, a heat preservation device 5, a control system 6, a thermometer I7, a thermometer II 8, a temperature sensor I9 and a temperature sensor II 10.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the intended purpose of the present invention, the following detailed description is given with reference to the accompanying drawings and preferred embodiments, in order to explain the detailed embodiments, structures, features and effects of the present invention. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
As shown in fig. 1, an embodiment of the present invention provides a constant temperature bath for online densitometer calibration of a vibrating tube, comprising a bath 1, a stirrer 2, a first heating mechanism 3, a bath kettle 4, a heat preservation device 5 and a control system 6;
the bath 1 is used for containing a heating medium; the bottom of the bath tank 1 is provided with a liquid outlet 1-1 for discharging liquid; bath 1 is preferably a square stainless steel vessel. Distilled water is generally contained in the bath 1, and different heating media can be replaced when the temperature control range is different. Typically with ethanol or an aqueous solution of ethanol at-60 ℃ to 30 ℃; water is used at the temperature of 0-90 ℃; glycerin or water solution of glycerin is used at 80-160 deg.C, and liquid outlet 1-1 at bottom can be opened when the heating liquid is changed, and can be automatically discharged under the action of gravity.
The stirrer 2 is arranged on the bath 1 and is used for stirring the heating medium in the bath 1; a variable-frequency electric stirrer 2 is adopted, and blades of the stirrer 2 are in a four-blade shape and are 8-12 cm away from the bottom of the bath tank 1 in order to achieve the effect of uniformly stirring under heating.
The bath 1 is provided with a first temperature sensor 9 for detecting the temperature of a heating medium in the bath 1;
the heating mechanism I3 is arranged on the outer side of the bath 1 and used for heating the bath 1; the heating mechanism one 3 includes: heating resistance wires; the heating resistance wire is surrounded on the outer side of the bath tank 1; the heating resistance wire and the bath 1 are isolated by glass material. The heating resistance wire can be put into a ring-shaped glass container to form a ring shape. The heat can be uniformly distributed around the resistance wire and adjusted by an electronic relay of the control system 6 to realize constant temperature. In order to improve the temperature control precision and the energy-saving effect, the voltage can be increased through the control system 6 according to the set temperature when high temperature is needed to achieve the aim of rapid temperature rise, and the output voltage is reduced when the temperature reaches the set temperature to achieve the aim of energy saving.
The bath pot 4 is used for containing a liquid medium to be tested; the bath pot 4 is arranged in the bath 1 and can exchange heat with the heating medium in the bath 1; a constant temperature is maintained by the liquid in bath 1. The bath 4 is supported on the bath 1 and can move relative to the bath 1; when different liquids are needed, different baths 4 can be replaced to achieve the purpose of rapidness and convenience;
the heat retaining device 5 includes: a heat preservation container and a heating mechanism II; the heat preservation container is used for containing a heating medium; the heat preservation container is communicated with the bath 1 through a pipeline so that liquid in the heat preservation container can flow into the bath 1; a second temperature sensor 10 is arranged on the heat-insulating container; the heating mechanism II is arranged on the outer side of the heat-insulating container and used for heating the heat-insulating container;
when the traditional thermostatic control equipment finishes one temperature set point, the equipment needs to be heated to the next temperature point, and is heated from one temperature point to another temperature point, generally about 45 minutes is needed according to different powers; the design of the heat preservation device 5 can effectively save the heating time; the specific working principle is as follows: when the heat preservation device 5 is matched with the thermostatic bath, the long waiting process of heating and cooling is not needed. For example, when that temperature point is required, the water in the insulating barrel is pumped to the thermostatic bath, and then the thermostatic bath is opened to start working. At this time, the water in the heat-insulating barrel is close to the set temperature (generally, the water is slightly lower than the set temperature), so that the precise temperature control stage is rapidly started.
The control system 6 is respectively connected with the first temperature sensor 9 and the second temperature sensor 10 and is used for acquiring temperature information of the bath 1 and the heat-preservation container; the control system 6 is respectively connected with the first heating mechanism 3 and the second heating mechanism and is used for controlling the actions of the first heating mechanism 3 and the second heating mechanism.
The utility model discloses a constant temperature bath for online vibrating tube densimeter examination that an embodiment provided can reduce the latency of heating bath 1 interior liquid, is convenient for change bath 4, practices thrift the experimental time.
Preferably, the bath 1 is provided with a first thermometer 7, the bath 1 is used for measuring the temperature of the liquid, and the bath 1 can also be provided with a Beckmann thermometer for measuring the temperature change of the liquid in the bath 1, so that an experimenter can conveniently observe and adjust the temperature of the medium.
Preferably, the second thermometer 8 is arranged on the heat preservation container to display and detect the temperature of the heat preservation container, so that the experiment personnel can observe the temperature conveniently.
Preferably, a water pump is arranged on the pipeline to pump the liquid in the heat preservation container into the bath 1, so that the control is convenient. Alternatively, a control valve is arranged on the pipeline and used for controlling the on-off of the pipeline; the liquid level in the heat preservation container is higher than that of the bath tank 1, and the liquid in the heat preservation container is transferred into the bath tank 1 through pressure difference.
Preferably, in the above embodiment, the number of the heat-insulating containers is plural; a plurality of heating mechanisms II are provided; the second heating mechanisms are arranged in one-to-one correspondence with the heat preservation containers. The heat preservation containers respectively heat constant temperature media with different temperature points; in the experimental process, when a medium with a certain temperature point is needed, water in the heat-preserving barrel is pumped to the bath 1, and then the heating mechanism 3 is started to work. At this time, the water in the heat-insulating barrel is close to the set temperature (generally, the water is slightly lower than the set temperature), so that the precise temperature control stage is rapidly started. Thereby achieving the purposes of energy conservation and rapid temperature rise;
preferably, the bath 4 is provided with a lifting lug to facilitate the movement of the bath 4.
As a preferable example of the above embodiment, the control system 6 includes: an overtemperature early warning self-breaking device; the over-temperature early warning automatic-breaking device is connected with the first heating mechanism 3 and the second heating mechanism respectively, so that the first heating mechanism 3 and/or the second heating mechanism are disconnected when the temperature reaches a preset value. The control system 6 can set that when the heating temperature exceeds the set temperature by 5 ℃, the first heating mechanism 3 and/or the second heating mechanism are disconnected to stop heating so as to conveniently control the heating temperature.
As the optimization of the above embodiment, an electromagnetic valve is arranged on a liquid outlet 1-1 at the bottom of the bath tank 1; the solenoid valves are connected to the control system 6 to be controlled by the control system 6.
Further still, although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, with such terms being used only to distinguish one element from another. Without departing from the scope of the exemplary embodiments. Similarly, the terms first, second, etc. do not denote any order or order, but rather the terms first, second, etc. are used to distinguish one element from another. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent change and modification made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (10)
1. A constant temperature bath for calibrating an online vibrating tube densimeter is characterized by comprising a bath, a stirrer, a first heating mechanism, a bath kettle, a heat preservation device and a control system;
the bath is used for containing a heating medium; the bottom of the bath tank is provided with a liquid outlet for discharging liquid;
the stirrer is arranged on the bath and is used for stirring the heating medium in the bath;
the bath is provided with a first temperature sensor used for detecting the temperature of a heating medium in the bath;
the heating mechanism I is arranged on the outer side of the bath and used for heating the bath;
the bath pot is used for containing a liquid medium to be tested; the bath pot is arranged in the bath tank and can exchange heat with a heating medium in the bath tank; the bath is supported on the bath and can move relative to the bath;
the heat preservation device includes: a heat preservation container and a heating mechanism II;
the heat preservation container is used for containing a heating medium; the heat-insulating container is communicated with the bath through a pipeline so that liquid in the heat-insulating container can flow into the bath;
a second temperature sensor is arranged on the heat-insulating container;
the heating mechanism II is arranged on the outer side of the heat-insulating container and used for heating the heat-insulating container;
the control system is respectively connected with the first temperature sensor and the second temperature sensor and is used for acquiring temperature information of the bath and the heat-preservation container;
the control system is respectively connected with the first heating mechanism and the second heating mechanism and is used for controlling the actions of the first heating mechanism and the second heating mechanism.
2. The constant temperature bath for in-line vibrating tube densitometer verification of claim 1,
the bath is provided with a first thermometer.
3. The constant temperature bath for in-line vibrating tube densitometer verification of claim 1,
and a second thermometer is arranged on the heat-insulating container.
4. The constant temperature bath for in-line vibrating tube densitometer verification of claim 1,
and a water pump is arranged on the pipeline to pump the liquid in the heat-insulating container into the bath tank.
5. The constant temperature bath for in-line vibrating tube densitometer verification of claim 1,
the pipeline is provided with a control valve for controlling the on-off of the pipeline;
the liquid level in the heat preservation container is higher than that of the bath.
6. The constant temperature bath for in-line vibrating tube densitometer verification of claim 1,
a plurality of heat preservation containers are arranged; a plurality of heating mechanisms II are arranged; and the second heating mechanisms are arranged in one-to-one correspondence with the heat-preservation containers.
7. The constant temperature bath for in-line vibrating tube densitometer verification of claim 1,
the first heating mechanism comprises: heating resistance wires;
the heating resistance wire is surrounded on the outer side of the bath tank; the heating resistance wire and the bath are isolated by glass materials.
8. The constant temperature bath for in-line vibrating tube densitometer verification of claim 1,
the bath is provided with a lifting lug so as to be convenient to move.
9. The constant temperature bath for in-line vibrating tube densitometer verification of claim 1,
the control system includes: an overtemperature early warning self-breaking device;
the over-temperature early warning self-breaking device is connected with the first heating mechanism and the second heating mechanism respectively, so that the first heating mechanism and/or the second heating mechanism are broken when the temperature reaches a preset value.
10. The constant temperature bath for in-line vibrating tube densitometer verification of claim 1,
an electromagnetic valve is arranged on a liquid outlet at the bottom of the bath tank; the solenoid valve is connected with the control system to be controlled by the control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021237182.1U CN212663604U (en) | 2020-06-30 | 2020-06-30 | Constant temperature tank for on-line vibrating tube densimeter verification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021237182.1U CN212663604U (en) | 2020-06-30 | 2020-06-30 | Constant temperature tank for on-line vibrating tube densimeter verification |
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| CN212663604U true CN212663604U (en) | 2021-03-09 |
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| CN202021237182.1U Active CN212663604U (en) | 2020-06-30 | 2020-06-30 | Constant temperature tank for on-line vibrating tube densimeter verification |
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