CN215197007U - Liquid adding device capable of adapting to various digestion tubes - Google Patents
Liquid adding device capable of adapting to various digestion tubes Download PDFInfo
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- CN215197007U CN215197007U CN202121174745.1U CN202121174745U CN215197007U CN 215197007 U CN215197007 U CN 215197007U CN 202121174745 U CN202121174745 U CN 202121174745U CN 215197007 U CN215197007 U CN 215197007U
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Abstract
The application provides a liquid feeding device of multiple alimentary pipe of adaptable includes: the device comprises a liquid adding filter, a liquid adding assembly and a reaction tank for placing a digestion tube; the liquid adding filter comprises a first shell cover, a bottom plate and a water tank; the first shell cover and the bottom plate are connected into a first shell; a liquid outlet hole is formed in the bottom plate, and a sealing plug with a hollow structure is movably connected to one surface, facing the reaction tank, of the liquid outlet hole; the sealing plug is plugged into the digestive tube and then is attached to the edge of the opening of the digestive tube for sealing; the water tank is provided with a first liquid inlet pipe and a first liquid adding pipe; the first liquid adding pipe penetrates through the sealing plug and does not contact with the sealing plug; the side wall of the reaction tank is connected with the first shell. Through the design of the sealing plug of the movable connection hollow structure, the sealing plugs of different specifications can be replaced aiming at the digestion tubes with different calibers, and the problem of sealing adaptation with the digestion tubes with different calibers is solved.
Description
Technical Field
The application relates to the field of liquid adding devices, in particular to a liquid adding device capable of being adapted to various digestion tubes.
Background
The total nitrogen is one of important chemical components in the tobacco, is closely related to the sense organs such as aroma, offensive odor and irritation of the tobacco, and is a conventional index for evaluating the quality of the tobacco. The common method for measuring the total nitrogen is mainly measuring ammonia after digestion, and the representative method is a Kjeldahl method. The Kjeldahl method needs to put tobacco powder into a digestion tube, add concentrated sulfuric acid and mercury oxide to digest the tobacco powder into nitrogen digestive liquid at high temperature, add liquid to dilute the nitrogen digestive liquid, and perform constant volume on the machine for detection. In the prior art, the normal dilution method of concentrated sulfuric acid is to slowly add sulfuric acid into a large amount of water, and continuously stir in the adding process, so that the heat released during dilution is diffused to avoid danger. However, in the actual pretreatment operation of the kjeldahl method, since the nitrogen digestion solution containing the concentrated sulfuric acid is originally present in the digestion tube, the digestion tube itself is a constant volume container, and water needs to be injected into the concentrated sulfuric acid in the digestion tube in order to dilute and maintain the constant volume. Because the density of water is less, in the dilution process, water can float on the concentrated sulfuric acid upper layer, and the heat emitted in the dilution process can make water boil and splash, and gush out a large amount of acid gas, so that the life health of operators is harmed.
In the prior art, when the nitrogen digestive juice is diluted by adding liquid, the dilution reaction can be carried out by a sealed liquid adding device so as to prevent the boiled liquid from splashing on operators. However, the sealing plug of the liquid adding device is fixed, so that the sealing plug is not matched with the digestive tube sometimes, and the problem of poor tightness is caused.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, the present application is provided to provide a filling device adaptable to various types of digestive tracts, which is used to solve the problem that the sealing plug of a common filling device is fixed and is not matched with the digestive tract sometimes, so that the sealing performance is poor.
In order to solve the above problems, the present application discloses a liquid adding device adaptable to various digestion tubes, comprising: the device comprises a liquid adding filter, a liquid adding assembly and a reaction tank for placing a digestion tube;
the liquid adding filter comprises a first shell cover, a bottom plate and a water tank;
the first shell cover and the bottom plate are connected into a first shell;
a liquid outlet hole is formed in the bottom plate, and a sealing plug with a hollow structure is movably connected to one surface, facing the reaction tank, of the liquid outlet hole; the sealing plug is plugged into the digestive tube and then is attached to the edge of the opening of the digestive tube for sealing;
the water tank is arranged in the first shell; the water tank is provided with a first liquid inlet pipe and a first liquid adding pipe; the first liquid inlet pipe penetrates through the first shell and is connected with the liquid adding assembly; the first liquid adding pipe penetrates through the sealing plug and does not contact with the sealing plug;
the side wall of the reaction tank is connected with the first shell.
Further, the first shell cover and the bottom plate are movably connected to form a first shell body;
a bottom plate fastener is arranged on the side wall of the first shell cover;
two connecting groove bars are arranged on one surface of the bottom plate facing the first shell cover; the connecting groove bars are respectively matched with the bottom edges of the two sides of the first shell cover; and the bottom plate is provided with a fastening fitting matched with the bottom plate fastening piece.
Further, the liquid adding assembly comprises a first hose, an adjustable liquid adding pump and a second hose;
one port of the first hose is communicated with the liquid inlet part of the adjustable liquid adding pump; one port of the second hose is communicated with the liquid outlet part of the adjustable liquid feeding pump, and the other port, far away from the adjustable liquid feeding pump, of the second hose is communicated with the first liquid inlet pipe.
Furthermore, a thread column with a hollow structure is arranged on one surface of the liquid outlet hole facing the reaction tank; and an internal thread matched with the threaded column is arranged in the sealing plug of the hollow structure.
Further, a rubber sleeve is arranged on the outer side wall of the sealing plug.
Further, the first liquid inlet pipe penetrates through the first shell in a sealing mode to be connected with the liquid adding assembly; and the first shell is provided with an air outlet, and the air outlet is provided with a gas filtering device.
Furthermore, a filter element for adsorbing and filtering acid gas is arranged in the gas filtering device; the filter element is alkali modified active carbon.
Furthermore, a sliding groove strip is arranged on one side wall of the reaction tank, and a sliding lug which is matched and embedded with the sliding groove strip is arranged on the outer wall of the first shell.
Furthermore, a test tube base for placing a digestion tube is arranged in the reaction tank; and a position fastener for fastening the position of the digestive tract is arranged in the test tube base.
Furthermore, an ultrasonic device is arranged at the bottom in the reaction tank.
Compared with the prior art, the embodiment of the application has the advantages that: through the design of the sealing plug of the movable connection hollow structure, the sealing plugs of different specifications can be replaced aiming at the digestion tubes with different calibers, and the problem of sealing adaptation with the digestion tubes with different calibers is solved.
Drawings
In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings needed to be used in the detailed description of the present application or the prior art description will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of the overall structure of a liquid adding device adaptable to various digestion tubes;
FIG. 2 is a schematic view of the charge filter construction;
FIG. 3 is a disassembled view of the liquid feeding filter;
FIG. 4 is a schematic view of the structure of the reaction tank.
Wherein the reference numerals are:
a liquid adding filter 1; a liquid adding assembly 2; a reaction tank 3; a first case cover 4; a bottom plate 5; a water tank 6; a sealing plug 7; a first liquid inlet pipe 8; a first filling pipe 9; an adjustable liquid adding pump 10; a gas filtering device 11; a cuvette base 12.
Detailed Description
The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present application, but not all 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 application.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Percentages not specifically stated in the present application are weight/mass percentages.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
For easy understanding, please refer to fig. 1 to 4, fig. 1 is a schematic structural diagram of a liquid adding device capable of adapting to various digestion tubes according to an embodiment of the present application; fig. 2 is a schematic structural diagram of a charging filter 1 provided in the embodiment of the present application; fig. 3 is a disassembled schematic view of the structure of the charging filter 1 provided in the embodiment of the present application; fig. 4 is a schematic structural diagram of a reaction tank 3 provided in an embodiment of the present application.
The application provides a liquid feeding device of multiple alimentary pipe of adaptable specifically can include: the device comprises a liquid adding filter 1, a liquid adding assembly 2 and a reaction tank 3 for placing a digestion tube;
the liquid adding filter 1 comprises a first shell cover 4, a bottom plate 5 and a water tank 6;
the first shell cover 4 is connected with the bottom plate 5 to form a first shell;
a liquid outlet hole is formed in the bottom plate 5, and a sealing plug 7 with a hollow structure is movably connected to one surface of the liquid outlet hole, which faces the reaction tank 3; the sealing plug 7 is stuck and sealed with the edge of the opening of the digestive tube after being plugged into the digestive tube;
the water tank 6 is arranged inside the first shell; the water tank 6 is provided with a first liquid inlet pipe 8 and a first liquid adding pipe 9; the first liquid inlet pipe 8 penetrates through the first shell to be connected with the liquid feeding assembly 2; the first filling pipe 9 passes through the sealing plug 7 without contacting the sealing plug 7;
the side wall of the reaction tank 3 is connected to the first housing.
More specifically, the number of the liquid outlet holes can be multiple, and the number of the sealing plugs 7 and the number of the first filling pipes 9 both correspond to the number of the liquid outlet holes. Wherein, the sealing plug 7 and the bottom plate 5 are in a movable connection structure, and when digestive tubes with different calibers appear, the sealing plug 7 matched with the digestive tubes can be replaced, so that the sealing performance between the sealing plug 7 and the digestive tubes can be improved. In other embodiments, a filter device for adsorbing gas is disposed inside the first housing, so as to adsorb the gas flowing into the first housing, and after the gas is filtered, the gas is discharged into the environment through the gap between the first liquid inlet pipe 8 and the first housing, thereby avoiding environmental pollution.
The application provides a liquid feeding device of multiple alimentary pipe of adaptable, through the sealing plug 7 design of disclosing swing joint hollow structure, can carry out the replacement of the sealing plug 7 of different specifications to the alimentary pipe of different bores, solved with the sealed adaptation problem of the alimentary pipe of different bores.
Hereinafter, a filling apparatus adaptable to various kinds of digestion tubes in the present exemplary embodiment will be further described.
As an example, the first shell cover 4 and the bottom plate 5 are movably connected to form a first shell;
a bottom plate fastener is arranged on the side wall of the first shell cover 4;
two connecting groove strips are arranged on one surface of the bottom plate 5 facing the first shell cover 4; the connecting groove bars are respectively matched with the bottom edges of the two sides of the first shell cover 4; and the bottom plate 5 is provided with a fastening fitting matched with the bottom plate fastening piece.
More specifically, in order to efficiently and rapidly perform the dilution reaction, a plurality of digestion tubes may be required, and in this case, a sealing plug 7 which can be fitted in number to the digestion tubes is required. The bottom plate 5, which is movably connected with the first housing, can be adapted to the digestion tube by replacing the bottom plate 5 with a different number of sealing plugs 7. After the bottom plate 5 that suits has been chosen, the bottom plate 5 is connected to the first shell cover 4 through connecting the channel bar sliding, after the bottom plate 5 slides to the relevant position, through the cooperation fastening of bottom plate fastener and fastening fitting, reach the effect of fastening first shell cover 4 and bottom plate 5 position.
The charging assembly 2 comprises, as an example, a first hose, an adjustable charging pump 10 and a second hose;
one port of the first hose is communicated with the liquid inlet part of the adjustable liquid adding pump 10; one port of the second hose is communicated with the liquid outlet part of the adjustable liquid feeding pump 10, and the other port of the second hose, which is far away from the adjustable liquid feeding pump 10, is communicated with the first liquid inlet pipe 8.
More specifically, the adjustable charge pump 10 is used to control the rate of flow of pure water into the digestive tube. Because the digestion tube is filled with the nitrogen digestion liquid, the pure water is slowly dripped into the digestion tube from the first liquid adding tube 9, the sudden boiling and splashing degree caused by adding the pure water into the concentrated sulfuric acid can be relieved to a great extent by slowly adding the pure water, and the release of the acid gas is reduced.
As an example, a threaded column with a hollow structure is arranged on one surface of the liquid outlet hole facing the reaction tank 3; and an internal thread matched with the threaded column is arranged in the sealing plug 7 with the hollow structure.
More specifically, in order to enable the sealing plug 7 to be adapted to digestion tubes of different calibers, different types of sealing plugs 7 can be replaced by means of this rotary connection. It should be noted that the first filler tube 9 does not contact the threaded column of the hollow structure while passing through it.
The outer side wall of the sealing plug 7 is provided with a rubber sleeve as an example.
More specifically, since the rubber has good elasticity, wear resistance and ductility, the rubber sleeve is sleeved on the outer wall of the sealing plug 7, so that the sealing plug 7 has good sealing effect when being plugged into the digestive tract.
As an example, the first liquid inlet pipe 8 is connected with the liquid feeding assembly 2 through the first shell in a sealing way; the first shell is provided with an air outlet, and the air outlet is provided with a gas filtering device 11; a filter element for adsorbing and filtering acid gas is arranged in the gas filtering device 11; the filter element is alkali modified active carbon.
More specifically, in order to prevent the gas generated during the dilution reaction from flowing to the external environment through the gap between the first liquid inlet pipe 8 and the first housing, causing environmental pollution, the first liquid inlet pipe 8 is sealed through the first housing. Due to the hollow structural design of the sealing plug 7, gas generated after dilution reaction in the digestion tube can directly enter the first shell through the gap between the first liquid adding tube 9 and the sealing plug 7, and the sealing plug 7 can be plugged into the digestion tube on the premise of ensuring the liquid adding filter 1 with the sealing structure, and the first shell is provided with an air hole. In order to filter harmful gases, a gas filtering device 11 is arranged on the gas hole, a filter element for adsorbing and filtering acid gases is arranged in the gas filtering device 11, and the filter element is alkali modified activated carbon.
As an example, a sliding groove strip is disposed on a side wall of the reaction tank 3, and a sliding protrusion which is fittingly embedded with the sliding groove strip is disposed on an outer wall of the first housing.
More specifically, the reaction tank 3 and the charging filter 1 are designed to be in sliding connection in order to facilitate the plugging of the sealing plug 7 into the digestion tube.
As an example, the reaction tank 3 is provided therein with a tube base 12 for placing a digestion tube. The test tube base 12 is provided with a position fastener for fastening the position of the digestive tract.
More specifically, the position fastener is a member having a groove into which the digestion tube is inserted after passing through the hole in the tube base 12, which prevents the problem of shaking of the digestion tube when performing a dilution reaction.
As an example, the inner bottom of the reaction tank 3 is provided with an ultrasonic device.
More specifically, when diluting the constant volume nitrogen digestion liquid, pour into the clear water into in the cell body of reaction tank 3, the clear water height should be unanimous with the height of test tube base 12 in the cell body, and the start-up of ultrasonic instrument can let concentrated sulfuric acid in the nitrogen digestion liquid and the more quick mixing of pure water this moment to make concentrated sulfuric acid not deposit in below water again, the integration that the acid water mixture can be better dilutes. Meanwhile, because a large amount of heat is released in the dilution process, clear water in the time slot can play a good cooling role, so that the digestive diluent is cooled more quickly, and the degrees of bumping, splashing and acid gas release during subsequent dilution are further relieved.
The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. A liquid adding device capable of adapting to various digestion tubes is characterized by comprising: the device comprises a liquid adding filter, a liquid adding assembly and a reaction tank for placing a digestion tube;
the liquid adding filter comprises a first shell cover, a bottom plate and a water tank;
the first shell cover and the bottom plate are connected into a first shell;
a liquid outlet hole is formed in the bottom plate, and a sealing plug with a hollow structure is movably connected to one surface, facing the reaction tank, of the liquid outlet hole; the sealing plug is plugged into the digestive tube and then is attached to the edge of the opening of the digestive tube for sealing;
the water tank is arranged in the first shell; the water tank is provided with a first liquid inlet pipe and a first liquid adding pipe; the first liquid inlet pipe penetrates through the first shell and is connected with the liquid adding assembly; the first liquid adding pipe penetrates through the sealing plug and does not contact with the sealing plug;
the side wall of the reaction tank is connected with the first shell.
2. The filling device according to claim 1, wherein the first housing cover is movably connected to the bottom plate to form a first housing;
a bottom plate fastener is arranged on the side wall of the first shell cover;
two connecting groove bars are arranged on one surface of the bottom plate facing the first shell cover; the connecting groove bars are respectively matched with the bottom edges of the two sides of the first shell cover; and the bottom plate is provided with a fastening fitting matched with the bottom plate fastening piece.
3. The filling device adaptable to a plurality of digestion tubes according to claim 1, wherein said filling assembly comprises a first hose, an adjustable filling pump and a second hose;
one port of the first hose is communicated with the liquid inlet part of the adjustable liquid adding pump; one port of the second hose is communicated with the liquid outlet part of the adjustable liquid feeding pump, and the other port, far away from the adjustable liquid feeding pump, of the second hose is communicated with the first liquid inlet pipe.
4. The liquid adding device adaptable to various digestion tubes as in claim 1, wherein a threaded column with a hollow structure is arranged on one surface of the liquid outlet hole facing the reaction tank; and an internal thread matched with the threaded column is arranged in the sealing plug of the hollow structure.
5. The filling device adapted to various digestion tubes according to claim 1, wherein a rubber sleeve is provided on the outer side wall of the sealing plug.
6. The filling device adaptable to a plurality of digestion tubes according to claim 1, wherein said first liquid inlet tube is sealingly connected to said filling assembly through said first housing; and the first shell is provided with an air outlet, and the air outlet is provided with a gas filtering device.
7. The filling device adaptable to various digestion tubes according to claim 6, wherein a filter element for adsorbing and filtering acid gas is arranged in the gas filtering device; the filter element is alkali modified active carbon.
8. The device for adding liquid to the plurality of digestive tracts according to claim 1, wherein a sliding groove strip is provided on one side wall of the reaction tank, and a sliding protrusion is provided on the outer wall of the first housing and fittingly engaged with the sliding groove strip.
9. The filling device adapted to a plurality of digestion tubes according to claim 8, wherein a test tube base for placing the digestion tube is arranged in the reaction tank; and a position fastener for fastening the position of the digestive tract is arranged in the test tube base.
10. The filling device adaptable to various digestion tubes according to claim 9, characterized in that the inner bottom of the reaction tank is provided with an ultrasonic device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121174745.1U CN215197007U (en) | 2021-05-28 | 2021-05-28 | Liquid adding device capable of adapting to various digestion tubes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121174745.1U CN215197007U (en) | 2021-05-28 | 2021-05-28 | Liquid adding device capable of adapting to various digestion tubes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215197007U true CN215197007U (en) | 2021-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121174745.1U Active CN215197007U (en) | 2021-05-28 | 2021-05-28 | Liquid adding device capable of adapting to various digestion tubes |
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|---|---|
| CN (1) | CN215197007U (en) |
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2021
- 2021-05-28 CN CN202121174745.1U patent/CN215197007U/en active Active
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