CN217586574U - Water bath nitrogen blowing instrument - Google Patents
Water bath nitrogen blowing instrument Download PDFInfo
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- CN217586574U CN217586574U CN202221574305.XU CN202221574305U CN217586574U CN 217586574 U CN217586574 U CN 217586574U CN 202221574305 U CN202221574305 U CN 202221574305U CN 217586574 U CN217586574 U CN 217586574U
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Abstract
The application provides water bath nitrogen blows appearance includes: the water bath cavity is provided with an opening and is positioned on the upper end face of the main machine, and a heating device is arranged in the water bath cavity; the test tube rack is detachably arranged on the upper end face of the main machine and is positioned on the water bath cavity; the air chamber is arranged above the test tube rack and is communicated with an air source; the gas needle is communicated with the gas chamber and used for blowing nitrogen to the sample; the support rod is connected with the test tube rack, and the air chamber is fixed on the support rod; the first end of the water inlet pipe is positioned on the outer side of the main machine and is communicated with a water source, the second end of the water inlet pipe extends into the water bath cavity, and the second end of the water inlet pipe is connected with a ball float valve; the float valve comprises a valve body, a float ball and a connecting rod, the valve body is connected with the second end of the water inlet pipe, one end of the connecting rod is connected with the valve body, and the other end of the connecting rod is connected with the float ball. The application provides a water bath nitrogen blows the appearance and can carry out automatic water supply to the water bath chamber, avoids influencing the heating effect to the sample because of water bath nitrogen blows the water bath chamber water level of appearance not enough, damages heating device's the condition even.
Description
Technical Field
The application relates to the technical field of detection devices, in particular to a water bath nitrogen blowing instrument.
Background
The nitrogen blowing instrument is a device which rapidly, continuously and controllably blows nitrogen into the surface of a heated or unheated sample to rapidly evaporate and separate a solvent in the sample, thereby realizing the aim of anaerobic concentration of the sample. The nitrogen blowing instrument is classified into a dry nitrogen blowing instrument and a water bath nitrogen blowing instrument according to different heating modes. The water bath nitrogen blowing instrument is one with special water bath as heating carrier and heating temperature of room temperature to 100 deg.c.
In the prior art, when a sample is concentrated, a certain amount of water is added into a water bath pan, a heating device arranged at the bottom of the water bath pan heats the water to a certain temperature, then the sample is placed into a test tube and placed in the water bath pan, and nitrogen is blown into the test tube while the sample is heated in a water bath, so that a solvent in the sample is quickly evaporated and separated. The water bath nitrogen among the prior art blows the appearance because the water heating evaporation, in the experimentation, the water level constantly reduces, and unable timely moisturizing influences the heating effect to the sample, probably leads to heating device to damage because the water level is low excessively even.
SUMMERY OF THE UTILITY MODEL
The application provides a water bath nitrogen blows appearance, and the purpose is that the water bath nitrogen among the solution prior art blows the unable automatic watered technical problem of appearance.
In order to achieve the above purpose, the embodiment of the present application adopts the following technical solutions:
a water bath nitrogen blowing instrument, comprising: the water bath heating device comprises a main machine, wherein a water bath cavity is arranged in the main machine, an opening of the water bath cavity is positioned on the upper end face of the main machine, and a heating device is arranged in the water bath cavity; the test tube rack is detachably arranged on the upper end face of the main machine and is positioned on the water bath cavity; the air chamber is arranged above the test tube rack and is communicated with an air source; the gas needle is communicated with the gas chamber and used for blowing nitrogen to the sample; the support rod is connected with the test tube rack, and the air chamber is fixed on the support rod; the water inlet pipe comprises a first end and a second end, the first end of the water inlet pipe is positioned on the outer side of the host machine and is communicated with a water source, the second end of the water inlet pipe extends into the water bath cavity, and the second end of the water inlet pipe is connected with a ball float valve; the ball float valve comprises a valve body, a floating ball and a connecting rod, wherein the valve body is connected with the second end of the water inlet pipe, one end of the connecting rod is connected with the valve body, and the other end of the connecting rod is connected with the floating ball.
Optionally, a partition plate is arranged in the water bath cavity, the partition plate is arranged in the vertical direction, the partition plate divides the water bath cavity into a first water bath cavity and a second water bath cavity which are distributed in the horizontal direction, a through hole is formed in the bottom of the partition plate, and the first water bath cavity is communicated with the second water bath cavity through the through hole; the test tube rack is positioned on the first water bath cavity; the second end of the water inlet pipe and the ball float valve are positioned in the second water bath cavity; when the water level in the water bath cavity reaches a preset water level, the connecting rod of the float valve is parallel to the water surface, and the float valve is closed; along the vertical direction, the height of baffle is greater than preset water level.
Optionally, the bottom of the first water bath cavity and the bottom of the second water bath cavity are both provided with a heating device.
Optionally, a temperature sensor is arranged in the first water bath cavity.
Optionally, a water valve is arranged on the water inlet pipe, and the water valve is arranged on the outer side of the host machine.
The application provides a water bath nitrogen blows appearance is provided with the inlet tube to be provided with the ball-cock assembly on the inlet tube, can be less than when predetermineeing the water level in the water bath chamber, carry out automatic water supply to the water bath chamber, avoid because of the water bath chamber of water bath nitrogen blows appearance water level not enough and influence the heating effect to the sample, damage heating device's the condition even.
Drawings
In order to more clearly illustrate the technical solutions in the present application, the drawings required to be used in some embodiments of the present application will be briefly described below, and it is apparent that the drawings in the following description are only drawings of some embodiments of the present application, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a block diagram of a water bath nitrogen blower provided in some embodiments of the present application;
FIG. 2 is a top view of a main unit of a water bath nitrogen blowing instrument according to some embodiments of the present disclosure;
fig. 3 isbase:Sub>A cross-sectional view taken alongbase:Sub>A-base:Sub>A' of fig. 2.
Reference numerals are as follows:
1-a host; 2-test tube rack; 3-air chamber; 4-air needle; 5-a support rod; 6-water inlet pipe; 11-water bath cavity; 8-test tube; 7-a ball float valve; 71-a valve body; 72-floating ball; 73-connecting rod; 12-a separator; 111-a first water bath chamber; 112-a second water bath chamber; 13-a heating device; 14-a temperature sensor; 61-water valve.
Detailed Description
The technical solutions in some embodiments of the present application will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the examples provided herein fall within the scope of the present application.
Throughout the specification and claims, the term "comprising" is to be interpreted in an open, inclusive sense, i.e., as "including, but not limited to," unless the context requires otherwise. In the description herein, the terms "one embodiment," "some embodiments," "example," or "some examples" or the like are intended to indicate that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. The schematic representations of the above terms are not necessarily referring to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be included in any suitable manner in any one or more embodiments or examples.
In the following, the terms "first", "second" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present application, "a plurality" means two or more unless otherwise specified.
In describing some embodiments, the expression "connected" and its derivatives may be used. For example, the term "connected" may be used in describing some embodiments to indicate that two or more elements are in direct physical contact with each other.
As shown in fig. 1, some embodiments of the present application provide a water bath nitrogen blowing apparatus, which includes a main machine 1, a test tube rack 2, an air chamber 3, an air needle 4, a support rod 5 and a water inlet pipe 6.
As shown in fig. 2, a water bath cavity 11 is arranged in the main machine 1, the water bath cavity 11 has an opening, the opening of the water bath cavity 11 is located on the upper end face of the main machine 1, and a heating device is arranged in the water bath cavity 11. The heating means is exemplarily a heating wire or an electrical heating tube. The heating device is used for heating the water in the water bath cavity 11.
The test tube rack 2 is detachably arranged on the upper end face of the main machine 1 and is positioned on the water bath cavity 11. Illustratively, the water bath cavity 11 is a cylindrical groove arranged at the upper part of the main machine 1, the opening of the cylindrical groove is positioned at the upper surface of the main machine 1, a plurality of screw holes are arranged on the upper surface of the main machine 1 around the opening of the cylindrical groove, and the test tube rack 2 is screwed on the main machine 1 through screws. The test tube rack 2 is, for example, a disk, and a plurality of through holes are provided on the disk, through which the test tubes 8 can pass to extend into the water bath chamber 11.
The air chamber 3 is arranged above the test tube rack 2, and the air chamber 3 is communicated with an air source. Illustratively, the gas source is a nitrogen gas bottle, the gas chamber 3 is connected with the nitrogen gas bottle through a gas pipe, and the nitrogen gas bottle feeds nitrogen gas into the gas chamber 3 through the gas pipe.
The gas needle 4 communicates with the gas chamber 3 for blowing nitrogen gas to the sample. Illustratively, one end of the air needle 4 is communicated with the air chamber 3 through an air pipe and is fixed at the bottom of the air chamber 3, and the other end of the air needle 4 can extend into a test tube 8 placed on a test tube rack.
The support rod 5 is connected with the test tube rack 2, and the air chamber 3 is fixed on the support rod 5. This application does not do the restriction to the connected mode of bracing piece 5 and test-tube rack 2 and air chamber 3, as long as bracing piece 5 can fix air chamber 3 in 11 tops of water bath chamber. Exemplarily, both ends of the support rod 5 are provided with threads, the middle part of the test tube rack 2 is provided with a threaded hole along the thickness direction, one end of the support rod 5 is in threaded connection with the threaded hole at the middle part of the test tube rack 2, so that the support rod 5 is fixed at the middle part of the test tube rack 2, the other end of the support rod 5 is in threaded connection with a nut, the middle part of the air chamber 3 is provided with a through hole along the thickness direction thereof, the air chamber 3 is sleeved at the other end of the support rod 5 through the through hole and is abutted against the upper end of the nut, so that the air chamber 3 is supported at a certain height position by the nut, and the height of the air chamber 3 can also be adjusted by screwing the nut.
The inlet tube 6 includes first end and second end, and first end is located the outside of host computer 1 and communicates with the water source, and the second end of inlet tube 6 stretches into in the water bath chamber 11, and the second end of inlet tube 6 is connected with ball-cock assembly 7. The float valve 7 comprises a valve body 71, a float ball 72 and a connecting rod 73, wherein the valve body 71 is connected with the second end of the water inlet pipe 6, one end of the connecting rod 73 is connected with the valve body 71, and the other end of the connecting rod 73 is connected with the float ball 72. The floating ball 72 of the floating ball valve 7 floats on the liquid level in the water bath cavity 11, when the liquid level of the water bath cavity 11 rises, the floating ball 72 also rises, and when the liquid level reaches a set height, the floating ball valve 7 is closed, and the water in the water inlet pipe 6 cannot enter the water bath cavity 11; along with the water in the water bath cavity 11 is continuously evaporated, the liquid level descends, the floating ball 72 also descends, the floating ball valve 7 is opened, and water enters the water bath cavity 11 through the water inlet pipe 6 and the floating ball valve 7 to replenish water to the water bath cavity 11.
The water bath nitrogen blows appearance that some embodiments of this application provided is provided with inlet tube 6 to be provided with ball-cock assembly 7 on inlet tube 6, can be when the water level in water bath chamber 11 is less than predetermined water level, carry out automatic water supply to water bath chamber 11, avoid influencing the heating effect to the sample because of water bath chamber 11 water level of water bath nitrogen blows appearance is not enough, damages heating device's the condition even.
In some embodiments, as shown in fig. 2 and 3, a partition plate 12 is disposed in the water bath chamber 11, the partition plate 12 is disposed in a vertical direction, the partition plate 12 divides the water bath chamber 11 into a first water bath chamber 111 and a second water bath chamber 112 which are distributed in a horizontal direction, and a through hole is disposed at the bottom of the partition plate 12 and communicates the first water bath chamber 111 with the second water bath chamber 112, so that water can circulate between the first water bath chamber 111 and the second water bath chamber 112. The test tube rack 2 is located on the first water bath chamber 111 and the second end of the water inlet tube 6 and the ball float valve 7 are located in the second water bath chamber 112. The ball float valve 7 comprises a water inlet connected to the second end of the water inlet pipe 6 and a water outlet located in the second water bath chamber 112. When the water level in the water bath cavity 11 reaches the preset water level, the connecting rod 73 of the ball float valve 7 is parallel to the water surface, the ball float valve is closed, and the water in the water inlet pipe 6 cannot enter the water bath cavity 11. Along the vertical direction, the height of the partition plate 12 is greater than the preset water level, that is, the height that the water in the water bath cavity 11 can reach is less than the height of the partition plate 12 along the vertical direction.
Some embodiments of the application provide a water bath nitrogen blowing appearance, baffle 12 separates water bath cavity 11 for first water bath cavity 111 and second water bath cavity 112 along the horizontal direction distribution, first water bath cavity 111 and second water bath cavity 112 bottom intercommunication, when moisturizing to water bath cavity 11, outside water is mended through second water bath cavity 112, under hydraulic effect, the hot water of second water bath cavity 112 bottom flows to first water bath cavity 112 through the through-hole of baffle 12 bottom earlier, avoid because the moisturizing causes water temperature change too big in first water bath cavity 112, influence the concentrated effect of the sample on second water bath cavity 112.
In some embodiments, as shown in fig. 3, the bottom of each of the first water bath chamber 111 and the second water bath chamber 112 is provided with a heating device 13. Thus, the water to be supplied can be rapidly heated by the heating device 13, and the water temperature in the water bath cavity 11 can be prevented from changing too much due to the water supply.
In some embodiments, as shown in fig. 3, the bottom of the first water bath chamber 111 is provided with a temperature sensor 14. Illustratively, the temperature sensor 14 and the heating device 13 are both connected to a controller disposed in the host 1, the temperature sensor 14 is used for measuring the temperature of the water in the first water bath chamber 111 and transmitting the temperature data to the controller, and the controller controls the heating device 13 to heat the water according to the water temperature data, so that the water temperature is at the set temperature.
In some embodiments, as shown in fig. 1, 2 and 3, the water valve 61 is disposed on the water inlet pipe 6, and the water valve 61 is disposed outside the main body 1, so that the water valve 61 can be closed when automatic water replenishing is not needed. The water valve 61 is not limited in specific form in the present application, and may be, for example, a manual valve in the prior art.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can appreciate that changes or substitutions within the technical scope of the present application are included in the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (5)
1. Water bath nitrogen blows appearance, its characterized in that includes:
the water bath heating device comprises a main machine, wherein a water bath cavity is arranged in the main machine, an opening of the water bath cavity is positioned on the upper end face of the main machine, and a heating device is arranged in the water bath cavity;
the test tube rack is detachably arranged on the upper end face of the main machine and is positioned on the water bath cavity;
the air chamber is arranged above the test tube rack and is communicated with an air source;
the gas needle is communicated with the gas chamber and used for blowing nitrogen to the sample;
the support rod is connected with the test tube rack, and the air chamber is fixed on the support rod;
the water inlet pipe comprises a first end and a second end, the first end of the water inlet pipe is positioned on the outer side of the host machine and is communicated with a water source, the second end of the water inlet pipe extends into the water bath cavity, and the second end of the water inlet pipe is connected with a ball float valve; the ball float valve comprises a valve body, a floating ball and a connecting rod, wherein the valve body is connected with the second end of the water inlet pipe, one end of the connecting rod is connected with the valve body, and the other end of the connecting rod is connected with the floating ball.
2. The water bath nitrogen blowing instrument according to claim 1,
a partition plate is arranged in the water bath cavity and is arranged along the vertical direction, the partition plate divides the water bath cavity into a first water bath cavity and a second water bath cavity which are distributed along the horizontal direction, and a through hole is formed in the bottom of the partition plate and communicates the first water bath cavity with the second water bath cavity;
the test tube rack is positioned on the first water bath cavity; the second end of the water inlet pipe and the ball float valve are positioned in the second water bath cavity;
when the water level in the water bath cavity reaches a preset water level, the connecting rod of the float valve is parallel to the water surface, and the float valve is closed;
along the vertical direction, the height of baffle is greater than preset water level.
3. The water bath nitrogen blowing instrument according to claim 2,
and heating devices are arranged at the bottoms of the first water bath cavity and the second water bath cavity.
4. The water bath nitrogen blowing instrument according to claim 3,
and a temperature sensor is arranged in the first water bath cavity.
5. The water bath nitrogen blowing instrument according to claim 1,
the water inlet pipe is provided with a water valve, and the water valve is arranged on the outer side of the main machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221574305.XU CN217586574U (en) | 2022-06-23 | 2022-06-23 | Water bath nitrogen blowing instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221574305.XU CN217586574U (en) | 2022-06-23 | 2022-06-23 | Water bath nitrogen blowing instrument |
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| Publication Number | Publication Date |
|---|---|
| CN217586574U true CN217586574U (en) | 2022-10-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221574305.XU Active CN217586574U (en) | 2022-06-23 | 2022-06-23 | Water bath nitrogen blowing instrument |
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| Country | Link |
|---|---|
| CN (1) | CN217586574U (en) |
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2022
- 2022-06-23 CN CN202221574305.XU patent/CN217586574U/en active Active
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