CN216525741U

CN216525741U - Nitrogen supply system of traditional Chinese medicine sulfur dioxide determinator

Info

Publication number: CN216525741U
Application number: CN202122960897.0U
Authority: CN
Inventors: 屈宏伟
Original assignee: Shenyang Heshengchang Technology Co ltd
Current assignee: Shenyang Heshengchang Technology Co ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-05-13
Anticipated expiration: 2031-11-29

Abstract

The utility model discloses a nitrogen supply system of a traditional Chinese medicine sulfur dioxide determinator, which comprises a determinator main body, wherein an assembly cavity is formed in the determinator main body, a nitrogen flow control device is fixedly installed on the front surface of the determinator main body, nitrogen outlets are uniformly and fixedly installed at the top of the determinator main body, the nitrogen flow control device is communicated with the nitrogen outlets, a nitrogen supply interface is fixedly installed on the side wall of the determinator main body, and the nitrogen supply interface is connected with the nitrogen flow control device through a nitrogen supply pipe. The nitrogen supply amount of the gas introduced into the experiment flask is controlled by the main nitrogen flow control meter and the branch nitrogen flow control meter in the nitrogen flow control device, the requirements for adjusting the nitrogen supply amount in different experiments can be met, the flask can be heated in a stopping manner by the backflow preventing pipe, nitrogen in the flask is prevented from refluxing after the flask is cooled, and the main nitrogen flow control meter and the branch nitrogen flow control meter are damaged.

Description

Nitrogen supply system of traditional Chinese medicine sulfur dioxide determinator

Technical Field

The utility model relates to the technical field of environmental detection, in particular to a nitrogen supply system of a traditional Chinese medicine sulfur dioxide determinator.

Background

A traditional Chinese medicine sulfur dioxide determinator is a device for detecting sulfur dioxide contained in traditional Chinese medicines. The method is used for measuring the residual quantity of sulfur dioxide in medicinal materials or decoction pieces treated by sulfur fumigation, and is suitable for various traditional Chinese medicine production enterprises, food production enterprises related to sulfur fumigation and the like. Most of the existing traditional Chinese medicine sulfur dioxide measuring instruments directly supply nitrogen through nitrogen supply pipes in the using process, and the nitrogen supply amount is inconvenient to control according to different detection requirements in the detection process. Therefore, a nitrogen supply system of a traditional Chinese medicine sulfur dioxide determinator is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a nitrogen supply system of a traditional Chinese medicine sulfur dioxide determinator, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a traditional chinese medicine sulfur dioxide apparatus's confession nitrogen system, includes the apparatus main part, the assembly chamber has been seted up in the apparatus main part, the preceding fixed surface of apparatus main part installs nitrogen gas flow control device, the even fixed mounting in top of apparatus main part has a nitrogen outlet, nitrogen gas flow control device is linked together with the nitrogen outlet, the top of nitrogen outlet is fixed with nitrogen gas connecting line, the lateral wall fixed mounting of apparatus main part has the confession nitrogen interface, it is connected with nitrogen gas flow control device through supplying the nitrogen pipe to supply the nitrogen interface.

Preferably, the nitrogen flow control device comprises a main nitrogen flow control meter and a branch nitrogen flow control meter which are fixedly installed on the front surface of the main body of the measuring instrument, an air inlet of the main nitrogen flow control meter is connected with a nitrogen supply pipe, a first connecting pipe is fixedly connected with an air outlet of the main nitrogen flow control meter, the first connecting pipe is communicated with an air inlet of the branch nitrogen flow control meter, and an air outlet of the branch nitrogen flow control meter is communicated with a nitrogen outlet through a second connecting pipe.

Preferably, the number of the main nitrogen flow control meters is one, the number of the branch nitrogen flow control meters is at least six, and the number of the branch nitrogen flow control meters corresponds to the number of the nitrogen outlets.

Preferably, the gas flow of the main nitrogen flow control meter is 0.3-3NL/min, and the gas flow of the branch nitrogen flow control meter is 0.1-1 NL/min.

Preferably, the nitrogen connecting pipeline comprises a bottom supporting pipe, and the bottom supporting pipe is fixedly connected with a nitrogen outlet pipe through a backflow preventing pipe.

Preferably, a communicating cavity is formed in the inner cavity of the backflow preventing pipe, a communicating groove is formed in the side wall I of the communicating cavity, a plugging frame is connected in the communicating cavity in a sliding mode, a spring is fixedly installed between the inner cavity of the plugging frame and the communicating cavity, and through holes are evenly formed in the side wall of the plugging frame.

Compared with the prior art, the utility model has the beneficial effects that: the utility model provides a nitrogen supply system of traditional chinese medicine sulfur dioxide apparatus, main way nitrogen gas flow control meter and branch road nitrogen gas flow control meter in through the nitrogen gas flow control device that sets up control the nitrogen supply volume that lets in the experiment flask, can satisfy the demand of the nitrogen supply volume regulation in the different experiments, be provided with nitrogen gas connecting line simultaneously, be connected nitrogen gas flow control device and experiment flask through nitrogen gas connecting line, be provided with anti-backflow pipe in nitrogen gas connecting line, can heat the flask stopping through the anti-backflow pipe that sets up, prevent that nitrogen gas in the flask from taking place the backward flow after the flask cooling, cause the damage to main way nitrogen gas flow control meter and branch road nitrogen gas flow control meter.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a rear view of the present invention.

Fig. 3 is a detailed view of the point a in fig. 2.

In the figure: 1. the nitrogen flow control device comprises a tester main body, 2, an assembly cavity, 3, a nitrogen flow control device, 31, a main nitrogen flow control meter, 32, a branch nitrogen flow control meter, 33, a first connecting pipe, 34, a second connecting pipe, 4, a nitrogen outlet, 5, a nitrogen connecting pipeline, 51, a bottom supporting pipe, 52, a backflow preventing pipe, 52-a, a communicating cavity, 52-b, a communicating groove, 52-c, a plugging frame, 52-d, a spring, 52-e, a through hole, 53, a nitrogen outlet pipe, 6, a nitrogen supply interface, 7 and a nitrogen supply pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution: a nitrogen supply system of a traditional Chinese medicine sulfur dioxide determinator comprises a determinator main body 1, an assembly cavity 2 is arranged in the determinator main body 1, a nitrogen flow control device 3 is fixedly installed on the front surface of the determinator main body 1, the determinator main body 1 is a common traditional Chinese medicine sulfur dioxide determinator and is electrically connected with an external power supply, an experimental sample in a flask is heated, a condensing tube cools the heated sample and measures the concentration of sulfur dioxide after the heated sample is collected by a collecting bottle, nitrogen outlets 4 are uniformly and fixedly installed on the top of the determinator main body 1, the nitrogen flow control device 3 is communicated with the nitrogen outlets 4, a nitrogen connecting pipeline 5 is fixed on the top of the nitrogen outlets 4, a nitrogen supply interface 6 is fixedly installed on the side wall of the determinator main body 1, the nitrogen supply interface 6 is connected with the nitrogen flow control device 3 through a nitrogen supply tube 7, and the nitrogen supply interface 6 is connected with an external nitrogen bottle, nitrogen gas was supplied into the nitrogen supply tube 7 through a nitrogen gas cylinder, and the nitrogen gas passed through the nitrogen gas flow rate control device 3, the nitrogen outlet 4 and the nitrogen gas connecting line 5 into the heated laboratory flask.

The nitrogen flow control device 3 comprises a main nitrogen flow control meter 31 and branch nitrogen flow control meters 32 fixedly arranged on the front surface of the tester body 1, the number of the main nitrogen flow control meters 31 is one, the number of the branch nitrogen flow control meters 32 is at least six, the number of the branch nitrogen flow control meters 32 corresponds to the number of the nitrogen outlets 4, the number of the branch nitrogen flow control meters 32 and the nitrogen outlets 4 can be set according to requirements, six branch nitrogen flow control meters can meet the purpose of experiments on different materials at one time, the flow of nitrogen required to be introduced into different materials in the heating process can be controlled by arranging the six branch nitrogen flow control meters 32 and the nitrogen outlets 4, the air inlet of the main nitrogen flow control meter 31 is connected with the nitrogen supply pipe 7, and the air outlet of the main nitrogen flow control meter 31 is fixedly connected with a first connecting pipe 33, the first connecting pipe 33 is communicated with the gas inlet of the branch nitrogen flow control meter 32, the gas outlet of the branch nitrogen flow control meter 32 is communicated with the nitrogen outlet 4 through the second connecting pipe 34, the gas flow of the main nitrogen flow control meter 31 is 0.3-3NL/min, the gas flow of the branch nitrogen flow control meter 32 is 0.1-1NL/min, and the main nitrogen flow control meter 31 and the branch nitrogen flow control meter 32 can adjust the nitrogen flow passing through, so that different experimental requirements are met.

The nitrogen connecting pipeline 5 comprises a bottom supporting pipe 51, the bottom supporting pipe 51 is fixedly connected with a nitrogen outlet pipe 53 through a backflow preventing pipe 52, a communicating cavity 52-a is formed in the inner cavity of the backflow preventing pipe 52, a communicating groove 52-b is formed in the side wall of the communicating cavity 52-a, a blocking frame 52-c is connected in the communicating cavity 52-a in a sliding mode, a spring 52-d is fixedly installed between the inner cavity of the blocking frame 52-c and the communicating cavity 52-a, through holes 52-e are uniformly formed in the side wall of the blocking frame 52-c, the nitrogen outlet 4 is connected with the heating flask through a nitrogen connecting pipeline 5, nitrogen is introduced into the heating flask, the backflow of the nitrogen in the flask after the heating flask is cooled is prevented through a backflow preventing pipe 52, thereby causing damage to the main nitrogen flow rate controller 31 and the branch nitrogen flow rate controller 32.

The working principle is as follows: this device is at the in-process that uses, be connected the nitrogen cylinder with confession nitrogen interface 6, nitrogen gas at first through main way nitrogen gas flow control meter 31 then let in the experiment flask from nitrogen outlet 4 and nitrogen gas connecting pipe 5 behind each branch road nitrogen gas flow control meter 32, in-process at the experiment can be according to the experiment demand to different materials, control the nitrogen gas flow that lets in through each branch road nitrogen gas flow control meter 32, after the experiment is accomplished, prevent that the nitrogen gas in the bottle takes place the refluence and causes the damage to main way nitrogen gas flow control meter 31 and branch road nitrogen gas flow control meter 32 after the heating flask cooling through the anti-backflow pipe 52 in the nitrogen gas connecting pipe 5.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The nitrogen supply system of the traditional Chinese medicine sulfur dioxide determinator comprises a determinator main body (1), and is characterized in that: set up assembly chamber (2) in apparatus main part (1), the preceding fixed surface of apparatus main part (1) installs nitrogen gas flow control device (3), the even fixed mounting in top of apparatus main part (1) has nitrogen outlet (4), nitrogen gas flow control device (3) are linked together with nitrogen outlet (4), the top of nitrogen outlet (4) is fixed with nitrogen gas connecting line (5), the lateral wall fixed mounting of apparatus main part (1) has nitrogen supply interface (6), nitrogen supply interface (6) are connected with nitrogen gas flow control device (3) through nitrogen supply pipe (7).

2. The nitrogen supply system of the traditional Chinese medicine sulfur dioxide determinator of claim 1, wherein: nitrogen gas flow control device (3) include total way nitrogen gas flow control meter (31) and branch road nitrogen gas flow control meter (32) of fixed mounting at apparatus main part (1) front surface, the air inlet of total way nitrogen gas flow control meter (31) is connected with confession nitrogen pipe (7), the first connecting pipe (33) of gas outlet fixedly connected with of total way nitrogen gas flow control meter (31), first connecting pipe (33) are linked together with the air inlet department of branch road nitrogen gas flow control meter (32), the gas outlet of branch road nitrogen gas flow control meter (32) is linked together through second connecting pipe (34) and nitrogen outlet (4).

3. The nitrogen supply system of the traditional Chinese medicine sulfur dioxide determinator of claim 2, wherein: the number of the main nitrogen flow control meters (31) is one, the number of the branch nitrogen flow control meters (32) is at least six, and the number of the branch nitrogen flow control meters (32) corresponds to the number of the nitrogen outlets (4).

4. The nitrogen supply system of the traditional Chinese medicine sulfur dioxide determinator of claim 2, wherein: the gas flow of the main nitrogen flow control meter (31) is 0.3-3NL/min, and the gas flow of the branch nitrogen flow control meter (32) is 0.1-1 NL/min.

5. The nitrogen supply system of the traditional Chinese medicine sulfur dioxide determinator of claim 1, wherein: the nitrogen connecting pipeline (5) comprises a bottom supporting pipe (51), and the bottom supporting pipe (51) is fixedly connected with a nitrogen outlet pipe (53) through a backflow preventing pipe (52).

6. The nitrogen supply system of the traditional Chinese medicine sulfur dioxide determinator of claim 5, wherein: the backflow preventing pipe is characterized in that a communicating cavity (52-a) is formed in the inner cavity of the backflow preventing pipe (52), a communicating groove (52-b) is formed in the side wall I of the communicating cavity (52-a), a blocking frame (52-c) is connected in the communicating cavity (52-a) in a sliding mode, a spring (52-d) is fixedly installed between the inner cavity of the blocking frame (52-c) and the communicating cavity (52-a), and through holes (52-e) are uniformly formed in the side wall of the blocking frame (52-c).