A semi-automatic reagent experiment feeding device

Abstract

The present application relates to reagent preparation device technical field, provide a kind of reagent experiment semi-automatic feeding device, including container, the container upper end is connected with liquid guide pipe, liquid guide pipe middle segment is equipped with liquid suction feeding assembly;The container is equipped with receiving assembly, the receiving assembly includes cylinder and support rod, support rod one end is hinged to the outer cylindrical surface of cylinder, and support rod is equipped with multiple uniform interval arrangement around the outer cylindrical surface of cylinder, the support rod is fixedly installed with filter cloth;The container lower end is equipped with keeping vertical outlet, cylinder one end is equipped with plug to seal outlet, outlet side is equipped with liquid outlet, when support rod is unfolded outwardly, the filter cloth is opened to form a receiving surface, and when cylinder is taken out from the outlet, support rod is gathered to the side of the cylinder.The present application can conveniently collect precipitate, improve the accuracy of test detection inference result, realize material liquid separation, avoid pipeline blockage.

Description

TECHNICAL FIELD

[0001] The present application relates to reagent preparation device technical field, specifically, relate to a kind of reagent experiment semi-automatic feeding device. BACKGROUND

[0002] With the development of society, the concept of environmental protection is becoming stronger and stronger, and the state of the environment in a certain area needs to be detected and evaluated for objective judgment, such as soil detection, solid waste detection, gas and sewage detection, etc. When detecting sewage, it is usually necessary to do corresponding experiments after sampling, a certain amount of reagent is mixed with the sample for reaction, and after a series of reactions, some sticky precipitates may be produced, such as heavy metal ion precipitation, etc. After the experiment is completed, the precipitate and residual liquid are mixed and discharged, which is easy to block the pipe body, and the precipitate is not easy to take out of the container. Accurate and sufficient collection of the precipitate is beneficial to the more accurate inference of the overall water quality pollution concentration by the detection personnel. SUMMARY

[0003] The purpose of the present application is to provide a reagent experiment semi-automatic feeding device to solve the technical problems existing in the background art.

[0004] The embodiment of the present application is realized by the following technical scheme: a reagent experiment semi-automatic feeding device, comprising a container, a liquid guide pipe is connected to the upper end of the container, and a liquid suction and feeding assembly is installed in the middle section of the liquid guide pipe; a receiving assembly is arranged in the container, the receiving assembly comprises a column body and a support rod, one end of the support rod is hingedly connected to the outer circular surface of the column body, and the support rod is provided with a plurality of support rods evenly spaced around the outer circular surface of the column body, and a filter cloth is fixedly installed on the support rod; a discharge port is arranged at the lower end of the container to keep it vertical, a plug is installed at one end of the column body to seal the discharge port, and a liquid outlet is arranged beside the discharge port; when the support rod is unfolded outward, the filter cloth is opened to form a receiving surface, and when the column body is taken out from the discharge port, the support rod is gathered to one side of the column body.

[0005] Further, the liquid suction and feeding assembly comprises a measuring cylinder, a lead screw and a driving motor, a piston is arranged in the measuring cylinder, the tail end of the piston is fixedly connected with a sliding plate threaded with the lead screw, an installation plate is fixedly arranged on the surface of the measuring cylinder, the lead screw is rotatably connected with the installation plate at both ends, and the front end of the driving motor is connected with the lead screw for driving; the liquid outlet end of the measuring cylinder is communicated with the liquid guide pipe.

[0006] Further, a first valve and a second valve are installed on the liquid guide pipe, and the first valve and the second valve are respectively arranged on both sides of the measuring cylinder.

[0007] Further, the front end of the liquid guide pipe is provided with a check valve, and the front end of the liquid guide pipe is a telescopic pipe structure.

[0008] Further, the middle part of the container is rotationally connected with a stirring shaft, a stirring blade is installed on the stirring shaft, and the stirring blade is arranged obliquely downward; the front end of the column body is provided with a jack for matching the stirring shaft, and when the material receiving assembly is inserted into the container, the front end of the stirring shaft is inserted into the jack.

[0009] Further, the cleaning mechanism comprises a plunger pump and a clean water tank, one end of the plunger pump is communicated with the clean water tank through a liquid infusion pipe, and at least two branch pipes are connected to the upper end of the container.

[0010] Further, the container is a cylindrical structure, the branch pipes are arranged in parallel, and the water inlets of the branch pipes are connected to the tangential direction of the inner wall of the container.

[0011] Further, the lower end of the container is a conical funnel structure.

[0012] Further, a heating device is arranged in the container, and the heating device is a heating resistance tube arranged around the inner wall of the container.

[0013] The technical scheme of the embodiment of the present application has at least the following advantages and beneficial effects: in the use process of the present application, a certain amount of water sample is first drawn into the container through the liquid suction and feeding assembly, then the corresponding detection reagent is added into the container through the liquid guide pipe to react with the sample, after sufficient reaction, the waste liquid is discharged by opening the liquid outlet, the precipitate is retained on the filter cloth, the plug is pulled out to drive the support rod and the filter cloth to gather and collect from the discharge port, the detection personnel can scrape and collect the precipitate from the filter cloth, so that the content of a certain substance in water can be more accurately judged, the collection is more convenient, and the pipe body is prevented from being blocked, and the separation of the material and the liquid is realized. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme of the embodiment of the present application, the following will briefly introduce the drawings needed to be used in the embodiment, and it should be understood that the following drawings only show some embodiments of the present application, and should not be regarded as a limitation on the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor.

[0015] Fig. 1 The structural schematic diagram of the reagent experimental semi-automatic feeding device provided for the embodiment 1 of the present application is shown in the figure.

[0016] Fig. 2 The structural schematic diagram of the material receiving assembly when it is taken out of the container in the present application is shown in the figure.

[0017] Fig. 3 This is an internal cross-sectional view of the semi-automatic reagent feeding device of the present invention.

[0018] Icons: 1-Container, 101-Outlet, 102-Liquid Outlet, 2-Receiving Assembly, 201-Column, 202-Plug, 203-Support Rod, 204-Filter Cloth, 3-Liquid Suction and Feeding Assembly, 301-Metering Cylinder, 302-Piston, 303-Slide Plate, 304-Mounting Plate, 305-Screw, 306-Drive Motor, 4-Liquid Guide Pipe, 5-First Valve, 6-Second Valve, 7-Check Valve, 8-Cleaning Mechanism, 801-Branch Pipe, 802-Plunger Pump, 803-Infusion Pipe, 804-Clean Water Tank, 9-Stirring Shaft, 10-Stirring Blade, 11-Heating Device. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The components of the embodiments of the present invention described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0020] Therefore, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the invention without inventive effort are within the scope of protection of the invention.

[0021] In the description of this invention, it should be noted that if terms such as "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," or "outer" are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product is in use, they are only for the convenience of describing this invention and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this invention.

[0022] In the description of the present application, it also needs to be explained that, unless explicitly specified and limited, if the terms "set", "install", "connect", "connect" appear, they should be understood broadly, for example, can be fixedly connected, can also be detachably connected, or integrally connected; can be mechanically connected, can also be electrically connected; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0023] Embodiments

[0024] The following will be further described in combination with specific embodiments, with reference to the accompanying drawings Figs. 1-3As shown, the embodiment is a reagent experiment semi-automatic feeding device, which comprises a container 1, the upper end of the container 1 is connected with a liquid guide pipe 4, the middle section of the liquid guide pipe 4 is installed with a liquid suction and feeding assembly 3; the container 1 is provided with a material receiving assembly 2, the material receiving assembly 2 comprises a column body 201 and a supporting rod 203, one end of the supporting rod 203 is hinged to the outer circular surface of the column body 201, and the supporting rod 203 is provided with a plurality of uniform intervals arranged around the outer circular surface of the column body 201, and the supporting rod 203 is fixedly installed with a filter cloth 204; the lower end of the container 1 is provided with a discharge port 101 kept vertical, one end of the column body 201 is installed with a plug 202 used to seal the discharge port 101, and a liquid outlet 102 is arranged beside the discharge port 101, when the supporting rod 203 is unfolded outwardly, the filter cloth 204 is opened to form a material receiving surface, preferably, the supporting rod 203 is in an inclined state, and the filter cloth 204 forms a conical bottom structure, and when the column body 201 is taken out from the discharge port 101, the supporting rod 203 is gathered to one side of the column body 201, specifically, in the process of detecting the water quality of sewage, some heavy metal ions to be detected may be contained in the water, if the concentration is different, the mass of the formed precipitate is also different, therefore, in the use process of the present application, the liquid guide pipe 4 is first inserted into the bottle containing the reagent, the liquid suction and feeding assembly 3 with the metering function is used to suck the reagent into the container 1, the reagent submerges the material receiving assembly 2, and then the water quality sample is sucked into the container 1 through the liquid guide pipe 4, in this way, most of the sample can form a precipitate above the filter cloth 204, after the excess reagent reacts with a certain amount of water quality sample for a period of time, the residual liquid is first discharged through the liquid outlet 102, the area of the filter cloth 204 when unfolded can cover the bottom of the container 1, so that most of the precipitate can be separated by the filter cloth 204 and retained on the surface thereof as the liquid is gradually discharged, the plug 202 is manually pulled out from the lower end of the discharge port 101, the lower side of the supporting plate contacts the inner wall of the container 1 and is gradually gathered, the precipitate is also gathered by the gathering of the filter cloth 204, until the supporting rod 203 keeps a relatively vertical state, the material receiving assembly 2 can be taken out from the container 1, so that the detection personnel can collect sufficient precipitate for weighing, the concentration of certain ions in a certain water area can be more accurately inferred, the material receiving assembly 2 is easy to load and unload, the liquid residue is separated, and the situation that the pipe body is blocked due to the discharge of waste liquid is effectively avoided, it is worth noting that the filter cloth 204 and the supporting rod 203 are detachably connected and can be periodically replaced.

[0025] The liquid suction and feeding assembly 3 in the embodiment comprises a metering cylinder 301, a screw rod 305 and a driving motor 306. The metering cylinder 301 is internally provided with a piston 302. The tail end of the piston 302 is fixedly connected with a sliding plate 303 which is threadedly connected with the screw rod 305. The surface of the metering cylinder 301 is fixedly connected with a mounting plate 304. The two ends of the screw rod 305 are rotatably connected with the mounting plate 304. The front end of the driving motor 306 is connected with the screw rod 305 for driving. The liquid outlet end of the metering cylinder 301 is communicated with the liquid guide pipe 4. The liquid guide pipe 4 is provided with a first valve 5 and a second valve 6. The first valve 5 and the second valve 6 are respectively arranged on the two sides of the metering cylinder 301. Specifically, the liquid suction and feeding assembly 3 is rotated by the driving motor 306, so that the piston 302 is moved back and forth by the screw rod 305. The tester can conveniently judge the liquid volume by the scale on the metering cylinder 301. The first valve 5 and the second valve 6 are electromagnetic valves which are electrically connected with the driving motor 306. When the liquid is quantitatively extracted, the first valve 5 is opened, and the second valve 6 is closed. When the metering cylinder 301 is filled with the corresponding amount of liquid, the first valve 5 is closed, and the second valve 6 is opened. The liquid is input into the container 1. One end of the mounting plate 304 is fixedly connected with the surface of the metering cylinder 301.

[0026] The front end of the liquid guide pipe 4 in the embodiment is provided with a check valve 7. The front end of the liquid guide pipe 4 is a telescopic pipe structure. Specifically, the check valve 7 is arranged to prevent the backflow of the suctioned liquid. The telescopic pipe structure can greatly improve the flexibility of the liquid suction of the liquid guide pipe 4.

[0027] The container 1 in the embodiment is rotatably connected with a stirring shaft 9 in the middle. The stirring shaft 9 is provided with stirring blades 10. The stirring blades 10 are arranged obliquely downward. The front end of the column body 201 is provided with a plug hole which is matched with the stirring shaft 9. When the receiving assembly 2 is inserted into the container 1, the front end of the stirring shaft 9 is inserted into the plug hole. Specifically, the stirring shaft 9 cooperates with the stirring effect of the stirring blades 10 to improve the mixing reaction speed of the reagent and the water quality sample. The stirring speed is relatively slow to avoid excessive breakage of the precipitate. The stirring blades 10 are obliquely downward, which has a liquid guiding effect. A pressure sensor or an inductor can be installed at the front end of the stirring shaft 9. After the receiving assembly 2 is completely inserted, the plug 202 seals the discharge port 101 to indicate that the front end of the stirring shaft 9 is inserted into the plug hole and is in a sealed state. The plug hole also limits one end of the stirring shaft 9.

[0028] The embodiment further comprises a cleaning mechanism 8. The cleaning mechanism 8 comprises a plunger pump 802 and a clean water tank 804. One end of the plunger pump 802 is communicated with the clean water tank 804 through a liquid conveying pipe 803. The front end of the plunger pump 802 is connected with at least two branch pipes 801 which are connected with the upper end of the container 1. Specifically, after the completion of the detection experiment, the container 1 is left with residual solvent. The plunger pump 802 is used to draw clean water from the clean water tank 804 to clean the container 1, so as to facilitate the use of the container 1 in the next experiment and avoid adverse effects.

[0029] The container 1 in the embodiment is a cylindrical structure, the support pipes 801 are provided with two and kept parallel arrangement, the water inlet of the support pipe 801 is connected from the tangential of the inner wall of the container 1, specifically, the clean water with a certain impact water pressure is tangentially entered from the inner wall of the container 1, forming two circulating flows, and the container 1 is cleaned more cleanly.

[0030] The lower end of the container 1 in the embodiment is a conical funnel structure, specifically, when the support rod 203 is pulled out of the container 1, the front end of the support rod 203 will first contact the front end of the conical funnel, thereby gradually contacting and folding, and it is beneficial to quickly discharge the waste liquid.

[0031] The container 1 in the embodiment is provided with a heating device 11, and the heating device 11 is arranged around the inner wall of the container 1 by using a heating resistance tube, specifically, when the reagent in the container 1 reacts with the sewage sample, the heating device 11 can provide a suitable temperature to accelerate the reaction speed, at the same time, after the container 1 is cleaned by the above cleaning mechanism 8, the heating device 11 can also be opened to quickly dry the container 1, and the water vapor is discharged from the bottom discharge port 101.

[0032] The above is only the preferred embodiment of the present application and is not used to limit the present application, for those skilled in the art, the present application can have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A semi-automatic reagent feeding device, characterized in that: Including container (1), the upper end of container (1) is connected with liquid guide pipe (4), and the middle section of liquid guide pipe (4) is installed with liquid suction and feeding assembly (3); The container (1) is provided with a receiving assembly (2) inside, the receiving assembly (2) includes a cylinder (201) and a support rod (203), one end of the support rod (203) is hinged to the outer circular surface of the cylinder (201), and the support rod (203) is provided with a plurality of uniformly spaced support rods (203) around the outer circular surface of the cylinder (201), and the support rod (203) is fixedly installed with a filter cloth (204); The lower end of the container (1) is provided with a discharge port (101) kept vertical, one end of the cylinder (201) is provided with a plug (202) for sealing the discharge port (101), and the side of the discharge port (101) is provided with a liquid outlet (102), when the support rod (203) is unfolded outwardly, the filter cloth (204) is opened to form a receiving surface, and when the cylinder (201) is taken out from the discharge port (101), the support rod (203) is gathered to one side of the cylinder (201).

2. The reagent experiment semi-automatic feeding device according to claim 1, characterized in that: The liquid suction and feeding assembly (3) includes a measuring cylinder (301), a lead screw (305) and a drive motor (306), the measuring cylinder (301) is provided with a piston (302) inside, the tail end of the piston (302) is fixedly provided with a sliding plate (303) threadedly connected with the lead screw (305), the surface of the measuring cylinder (301) is fixedly provided with a mounting plate (304), the lead screw (305) is rotatably connected with the mounting plate (304) at both ends, and the front end of the drive motor (306) is connected with the lead screw (305) for driving. The liquid outlet end of the measuring cylinder (301) is communicated with the liquid guide pipe (4).

3. The reagent experiment semi-automatic feeding device according to claim 2, characterized in that: The liquid guide pipe (4) is provided with a first valve (5) and a second valve (6), and the first valve (5) and the second valve (6) are respectively arranged on both sides of the measuring cylinder (301).

4. The reagent experiment semi-automatic feeding device according to claim 3, characterized in that: The front end of the liquid guide pipe (4) is provided with a check valve (7), and the front end of the liquid guide pipe (4) is a telescopic pipe structure.

5. The reagent experiment semi-automatic feeding device according to claim 1, characterized in that: The middle part of the container (1) is rotatably connected with a stirring shaft (9), the stirring shaft (9) is provided with stirring blades (10), and the stirring blades (10) are arranged obliquely downward. The front end of the cylinder (201) is provided with a jack (202) matched with the stirring shaft (9), when the receiving assembly (2) is inserted into the container (1), the front end of the stirring shaft (9) is inserted into the jack (202).

6. The reagent experiment semi-automatic feeding device according to claim 1, characterized in that: It also includes a cleaning mechanism (8), the cleaning mechanism (8) includes a plunger pump (802) and a clean water tank (804), one end of the plunger pump (802) is communicated with the clean water tank (804) through a liquid delivery pipe (803), and the front end of the plunger pump (802) is connected with at least two branch pipes (801) connected with the upper end of the container (1).

7. The reagent experiment semi-automatic charging device according to claim 6, characterized in that: The container (1) is a cylindrical structure, the branch pipes (801) are provided with two parallel branch pipes (801), and the water inlets of the branch pipes (801) are tangentially connected to the inner wall of the container (1).

8. The reagent experiment semi-automatic feeding device according to claim 1, characterized in that: The lower end of the container (1) is a conical funnel structure.

9. The reagent experiment semi-automatic charging device according to claim 8, characterized in that: The container (1) is provided with a heating device (11), and the heating device (11) is arranged around the inner wall of the container (1) in the form of a heating resistance tube.

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