Vacuum sampling and temperature measuring device for mixed materials

Abstract

The utility model discloses a mixed material vacuum sampling temperature measuring device which comprises a sampling bottle, a negative pressure pipe and a thermometer, the sampling bottle is a cylindrical funnel with a piston, a rubber plug is arranged at the top of the sampling bottle, a manual valve is arranged on the negative pressure pipe, one end of the negative pressure pipe penetrates through the rubber plug and is communicated with an inner cavity of the sampling bottle, and the other end of the negative pressure pipe is communicated with a negative pressure source. The rubber plug is further provided with a sampling tube for communicating the sampling bottle with a mixture to be extracted, a cross-shaped opening is formed in the rubber plug, the measuring end of the thermometer penetrates through the rubber plug through the cross-shaped opening and is suspended in the sampling bottle, and the bottom of the sampling bottle is communicated with a container for storing the mixture through a liquid return tube; according to the device, the mixed solution in the stirring kettle is automatically extracted under the action of negative pressure through cooperation of the cylindrical funnel, the rubber plug and the thermometer by utilizing an existing appliance, the temperature of the extracted mixed solution is measured through the thermometer, after layered observation is completed, the extracted mixed solution is returned to the stirring kettle through the piston, and the operation is simple.

Description

Technical Field

[0001] The utility model relates to the technical field of sampling, in particular to a vacuum sampling and temperature measuring device for mixed materials. Background Art

[0002] Saccharin sodium, also known as sodium o-benzoylsulfonyl imide, requires pre-mixing of raw materials such as sodium nitrite, methyl ester and water during the production process, and then reacting the mixed materials in a reactor. The applicant currently weighs the raw materials in advance during the production process, introduces the weighed sodium nitrite, methyl ester and water into the stirring tank through a pipe with a valve, and then stirs the added raw materials through a stirring motor.

[0003] Among them, due to errors and other reasons during the weighing process, the raw materials may be added inaccurately, thereby affecting the ratio of the raw materials after mixing and affecting the reaction quality. In order to ensure the quality, in the prior art, a sampling container is added to the stirring kettle, and the stirred raw materials are drawn into the sampling container and then left to stand, and the stratification height of water, methyl ester and sodium nitrite is observed, and whether water and sodium nitrite need to be added is judged by the height. In the prior art, the valve at the bottom of the stirring kettle is opened, and the mixed liquid in the stirring kettle flows into a beaker or test tube. After manual temperature measurement, the container is held and kept still to observe the stratification situation. Then, the mixed solution is sampled and poured into a waste liquid bucket, which causes waste. At the same time, the valve needs to be opened and the beaker or test tube needs to be held by the person to receive it. The person needs to hold it during the whole process, which increases the labor intensity of the person. If the person does not pay attention to the shaking, the stratification effect is also affected. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a vacuum sampling and temperature measuring device for mixed materials. By combining the existing cylindrical funnel with negative pressure and a thermometer, a device for automatic sampling and temperature measurement of the mixture is formed. The operation is simple, and the mixed solution can be returned to the stirring kettle after observation, reducing waste.

[0005] In order to solve the above technical problems, the utility model provides a technical solution: a vacuum sampling and temperature measuring device for a mixed material, comprising a sampling bottle, a negative pressure tube and a thermometer, characterized in that: the sampling bottle is a cylindrical funnel with a piston, a rubber stopper is provided on the top of the sampling bottle, a manual valve is provided on the negative pressure tube, one end of the negative pressure tube passes through the rubber stopper and is connected to the inner cavity of the sampling bottle, the other end of the negative pressure tube is connected to a negative pressure source, the rubber stopper is also provided with a sampling tube for connecting the sampling bottle with the mixture to be extracted, a cross is provided on the rubber stopper, the measuring end of the thermometer passes through the rubber stopper through the cross and is suspended in the sampling bottle, and the bottom of the sampling bottle is connected to the container for storing the mixture through a return pipe.

[0006] The sampling bottle is made of transparent material, the thermometer is a mercury thermometer, and the connection between the negative pressure tube and the sampling tube and the rubber stopper is sealed, and the suction rate of the negative pressure tube is greater than the intake rate of the cross mouth.

[0007] Furthermore, the negative pressure tube, sampling tube and liquid return tube are all made of metal, and the liquid return tube is connected to the bottom of the sampling bottle through a rubber tube.

[0008] Furthermore, the sampling bottle is provided with a scale.

[0009] Furthermore, an adhesive is provided between the rubber stopper and the sampling bottle or the rubber stopper and the sampling bottle are wrapped with tape.

[0010] The beneficial effects of the utility model are:

[0011] The present application utilizes existing instruments, and realizes automatic extraction of the mixed solution in the stirring kettle through the cooperation between the cylindrical funnel, the rubber stopper and the thermometer under the action of negative pressure. The thermometer measures the temperature of the extracted mixed solution. After the stratification observation is completed, the extracted mixed solution is returned to the stirring kettle through the piston. The operation is simple, and the negative pressure tube, the sampling tube and the return liquid tube are all made of metal to support the sampling bottle to keep it stable. The sampling bottle is provided with a scale to facilitate the observation of stratification. At the same time, an adhesive is provided between the rubber stopper and the sampling bottle or wrapped with tape to increase the connection strength between the rubber stopper and the sampling bottle, facilitate the support of the negative pressure tube and the sampling tube, and reduce the chance of the rubber stopper falling off accidentally.

[0012] In order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only three of the drawings in the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0014] Figure 1 This is a schematic diagram of the structure of this application.

[0015] Figure 2 This is a schematic diagram of the structure used in this application.

[0016] In the figure, 1-sampling bottle, 2-negative pressure tube, 3-thermometer, 4-piston, 5-rubber stopper, 6-manual valve, 8-sampling tube, 10-return liquid tube; A-stirring kettle, B-stirring motor. DETAILED DESCRIPTION

[0017] The following describes embodiments of the present invention in detail with reference to the accompanying drawings. Although certain embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be construed as limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the present invention. It should be understood that the accompanying drawings and embodiments of the present invention are for illustrative purposes only and are not intended to limit the scope of protection of the present invention.

[0018] It should be understood that the steps described in the method embodiments of the present invention may be performed in a different order. Furthermore, the method embodiments may include additional steps or omit the steps shown. The scope of the present invention is not limited in this respect.

[0019] The names of the messages or information exchanged between multiple devices in the embodiments of the present invention are only used for illustrative purposes and are not used to limit the scope of these messages or information. Example

[0020] like Figure 1-2 As shown, a vacuum sampling and temperature measuring device for a mixed material includes a sampling bottle 1, a negative pressure tube 2 and a thermometer 3. The sampling bottle 1 is a cylindrical funnel with a piston 4. A rubber stopper 5 is provided on the top of the sampling bottle 1. A manual valve 6 is provided on the negative pressure tube 2. One end of the negative pressure tube 2 passes through the rubber stopper 5 and is connected to the inner cavity of the sampling bottle 1. The other end of the negative pressure tube 2 is connected to a negative pressure source. The rubber stopper 5 is also provided with a sampling tube 8 for connecting the sampling bottle 1 with the mixture to be extracted. A cross is provided on the rubber stopper. The measuring end of the thermometer 3 passes through the rubber stopper through the cross and is suspended in the sampling bottle 1. The bottom of the sampling bottle 1 is connected to a container for storing the mixture through a liquid return pipe 10.

[0021] The sampling bottle 1 is made of transparent material, the thermometer 3 is a mercury thermometer 3, and the connection between the negative pressure tube 2 and the sampling tube 8 and the rubber stopper is sealed. The suction rate of the negative pressure tube 2 is greater than the air intake rate of the cross-mouth, which is convenient for sucking the mixed solution in the stirring tank A into the stirring tank A, and when the mixed solution in the sampling bottle 1 is discharged into the stirring tank A through the piston 4, it is connected to the outside world through the gap formed by the cross-mouth and the thermometer 3, which is convenient for discharging the mixed solution in the sampling bottle 1; the transparent material is convenient for observing the stratification and sampling of the mixed solution amount, the cylindrical funnel adopts the existing glass cylindrical funnel to be waited for the piston 4, the negative pressure tube 2, the sampling tube 8 and the return liquid tube 10 can also use PVC pipes, which are locally made and low in cost. The negative pressure tube 2 only needs to be connected to the existing negative pressure tube 2.

[0022] Among them, the negative pressure tube 2, the sampling tube 8 and the return liquid tube 10 are all made of metal, and the return liquid tube 10 is connected to the bottom of the sampling bottle 1 through a rubber tube; the metal material plays a supporting and limiting role for the sampling bottle 1, and there is no need to set up an additional bracket, and the rubber tube ensures the stability of the connection between the return liquid tube 10 and the bottom of the sampling bottle 1. Example

[0023] like Figure 1 As shown, this embodiment is obtained by adding a structure with technical features such as a scale on the basis of the embodiment one. The remaining technical features are the same as those of the embodiment one, and the similarities are not repeated here. Among them, the difference between this embodiment and the embodiment one is that: a scale is provided on the sampling bottle 1; an adhesive is provided between the rubber stopper 5 and the sampling bottle 1 or wrapped with tape.

[0024] In this embodiment, adhesive or tape is used to increase the connection strength between the rubber stopper 5 and the sampling bottle 1, making it easier for the negative pressure tube 2 and the sampling tube 8 to support it and reducing the chance of the rubber stopper 5 accidentally falling off. The scale setting facilitates the observation of stratification.

[0025] The use process of the technical solution formed by the above embodiments is as follows: the sampling tube 8 and the return liquid tube 10 are extended into the interior of the stirring tank A, and the sampling tube 8 and the return liquid tube 10 are fixed to the stirring tank A (the fixing method can be: an annular piece is provided on the sampling tube 8 and the return liquid tube 10, and the diameter of the annular piece is larger than the diameter of the sampling tube 8 and the return liquid tube 10). During the stirring process of the stirring tank A (the stirring motor B rotates), the manual valve 6 is opened. Under the action of negative pressure, the mixed solution in the stirring tank A enters the sampling bottle 1 through the sampling tube 8. After reaching a certain scale, the manual valve 6 is closed. The measuring end of the thermometer 3 is in a suspended state in the sampling bottle 1 to reduce the influence of the outside world on the temperature measurement. The temperature of the mixed solution is measured. After standing for a period of time, the stratification state is observed. Then, the mixed solution in the sampling bottle 1 is discharged back into the stirring tank A through the return liquid tube 10 by the piston 4.

[0026] Note that the above are merely preferred embodiments of the present invention and the technical principles employed. Those skilled in the art will appreciate that the present invention is not limited to the specific embodiments described herein, and that various obvious changes, readjustments, and substitutions are readily apparent to those skilled in the art without departing from the scope of protection of the present invention. Therefore, while the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments and may include many other equivalent embodiments without departing from the scope of the present invention. The scope of the present invention is determined by the appended claims.

Claims

1. A mixed material vacuum sampling and temperature measuring device, comprising a sampling bottle, a negative pressure tube and a thermometer, characterized in that: The sampling bottle is a cylindrical funnel with a piston, a rubber stopper is provided on the top of the sampling bottle, a manual valve is provided on the negative pressure tube, one end of the negative pressure tube passes through the rubber stopper and is connected with the inner cavity of the sampling bottle, and the other end of the negative pressure tube is connected with a negative pressure source. The rubber stopper is also provided with a sampling tube for connecting the sampling bottle with the mixture to be extracted, and a cross is provided on the rubber stopper. The measuring end of the thermometer passes through the rubber stopper through the cross and is suspended in the sampling bottle, and the bottom of the sampling bottle is connected with the container for storing the mixture through a return pipe; the sampling bottle is made of transparent material, the thermometer is a mercury thermometer, and the connection between the negative pressure tube and the sampling tube and the rubber stopper is sealed, and the suction rate of the negative pressure tube is greater than the intake rate of the cross.

2. A mixed material vacuum sampling and temperature measuring device according to claim 1, characterized in that: The negative pressure tube, sampling tube and liquid return tube are all made of metal, and the liquid return tube is connected to the bottom of the sampling bottle through a rubber tube.

3. A mixed material vacuum sampling and temperature measuring device according to claim 2, characterized in that: The sampling bottle is provided with a scale.

4. A mixed material vacuum sampling and temperature measuring device according to claim 3, characterized in that: An adhesive is provided between the rubber stopper and the sampling bottle or the rubber stopper and the sampling bottle are wrapped with adhesive tape.

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