CN219810906U - Chloride automatic titration equipment - Google Patents

Abstract

The utility model discloses chloride automatic titration equipment which comprises a barrel and a burette, wherein a fixing seat is arranged at the top of the barrel and fixed on an upright post through a supporting rod, a piston plate is arranged in the barrel, the top of the piston plate is connected with a pull rod, a first screw rod is screwed on the side face of the fixing seat, an outlet valve at the bottom of the barrel is connected with a liquid inlet of the burette through a pipeline, the burette is hinged in the bracket, and graduation marks are arranged on the front face of the barrel. Adopt above-mentioned technical scheme to make a chloride automatic titration equipment, thereby drive the pull rod through the handle and highly adjust the piston board, fix the pull rod at suitable height simultaneously under the effect of first screw rod for the barrel inner space of piston board downside forms the adjustable container of volume, thereby satisfies the user demand of different degree.

Description

Chloride automatic titration equipment

Technical Field

The utility model relates to the technical field of titration detection, in particular to chloride automatic titration equipment.

Background

The quantitative analysis of the chloride concentration in water mostly adopts a silver nitrate titration method, a silver nitrate solution is dropwise added into a solution to be detected, when the solution to be detected becomes pink or brick red, the solution is the titration end point, and at the moment, the concentration of chloride ions in the solution to be detected can be calculated by reading the adding volume of the silver nitrate. The corresponding titration equipment is selected to realize the titration flow, the effective capacity inside the common titration equipment is not easy to adjust, containers with different volumes need to be replaced to match different solution amounts when different titration experiments are handled, the use cost is improved, and the application range of the titration equipment is smaller. To this end, we propose an automatic chloride titration apparatus.

Disclosure of Invention

In order to solve the above problems, the present utility model provides an automatic chloride titration apparatus to solve the problems set forth in the background art.

The chloride automatic titration equipment comprises a barrel and a burette, wherein a fixing seat is arranged at the top of the barrel and fixed on an upright post through a supporting rod, a piston plate is arranged in the barrel, a pull rod is connected to the top of the piston plate, a first screw is screwed on the side face of the fixing seat, an outlet valve at the bottom of the barrel is connected with a liquid inlet of the burette through a pipeline, the burette is hinged in the bracket, and graduation marks are arranged on the front face of the barrel.

In the above scheme, the bottom of stand is provided with the base, be provided with the controller on the base.

In the scheme, the top of the pull rod is connected with the handle.

In the scheme, the liquid inlet of the cylinder body is connected with the plurality of switching valves through the liquid adding pipe.

In the above scheme, the lower side of the piston plate is provided with the floater, and the bottom surface of the piston plate is provided with the contact switch.

In the scheme, the second screw is in threaded connection with the side face of the support, and the support is fixed on the side face of the stand column.

In the scheme, a reactor is arranged at the lower side of the outlet of the burette.

The utility model has the advantages and beneficial effects that: the utility model provides chloride automatic titration equipment which is simple and reasonable in structural design and has stronger practicability, a piston plate and a pull rod are arranged in a barrel, the pull rod is driven by a handle to adjust the height of the piston plate, meanwhile, the pull rod is fixed at a proper height under the action of a first screw rod, so that a container with adjustable volume is formed in the barrel inner space at the lower side of the piston plate, the use requirements of different degrees are met, a floating ball is arranged, a contact switch matched with the floating ball is arranged at the lower side of the piston plate, when the liquid level at the lower side of the piston plate rises to the limit position, the floating ball is in contact with the contact switch, at the moment, a controller receives signal feedback to stop liquid feeding operation, and meanwhile, an outlet valve is opened to inject chloride liquid in the barrel into a burette, so that the requirement of automatic titration test is met, and as the pipe body of the burette is hinged in the bracket, the angle of the burette can be adjusted according to the requirement and is fixed through a second screw rod, and different titration experiment requirements can be met.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model.

Fig. 2 is a schematic diagram of the structure of the cylinder body of the utility model.

In the figure: 1 upright post, 11 base, 12 supporting rod, 13 cylinder, 14 fixing seat, 15 piston plate, 16 floating ball, 17 pull rod, 18 handle, 19 first screw rod, 2 liquid adding pipe, 21 switching valve, 22 outlet valve, 23 pipeline, 24 burette, 25 support, 26 second screw rod, 27 reactor, 28 controller, 29 scale mark.

Detailed Description

The following describes the embodiments of the present utility model further with reference to the drawings and examples. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.

As shown in fig. 1-2, the chloride automatic titration equipment comprises a barrel 13 and a burette 24, wherein a fixed seat 14 is arranged at the top of the barrel 13, the fixed seat 14 is fixed on a stand column 1 through a supporting rod 12, a piston plate 15 is arranged in the barrel 13, a sealing ring is arranged on the outer ring of the piston plate 15, the sealing ring is tightly contacted with the inner wall of the barrel 13, the top of the piston plate 15 is connected with a pull rod 17, a first screw 19 is screwed on the side surface of the fixed seat 14, the height of the piston plate 15 is adjusted by arranging the piston plate 15 and the pull rod 17 in the barrel 13, and meanwhile, the pull rod 17 is fixed at a proper height under the action of the first screw 19, so that a container with adjustable volume is formed in the inner space of the barrel 13 at the lower side of the piston plate 15, thereby meeting the use requirements of different degrees and ensuring that a titration experiment is more accurate.

The outlet valve 22 at the bottom of the barrel 13 is connected with the liquid inlet of the burette 24 through a pipeline 23, the burette 24 is hinged in the bracket 25, the front surface of the barrel 13 is provided with scale marks 29, and the adjusting height of the piston plate 15 can be conveniently observed through the arrangement of the scale marks 29.

In the above scheme, the bottom of stand 1 is provided with base 11, is provided with controller 28 on the base 11, and controller 28 is the PLC, and controller 28 passes through the wire and connects the power, and structure electric connection such as controller 28 and contact switch, switching valve 21, outlet valve 22.

In the above scheme, the top of the pull rod 17 is connected with the handle 18, and the pull rod 17 is moved upwards or downwards by operating the handle 18.

In the above scheme, the liquid inlet of the cylinder 13 is connected with a plurality of transfer valves 21 through the liquid adding pipe 2, and the transfer valves 21 are connected with liquid supply equipment through corresponding transfer pipes.

In the above scheme, the lower side of the piston plate 15 is provided with the floating ball 16, the surface area of the floating ball 16 is far smaller than the bottom area of the piston plate 15, the bottom surface of the piston plate 15 is provided with the contact switch, the contact switch is in a plate shape matched with the bottom surface of the piston plate 15, and the floating ball 16 can be ensured to be in effective contact with the contact switch. Through setting up floater 16 to set up the contact switch who cooperates with it in piston plate 15 downside, when the liquid level of piston plate 15 downside risees to extreme position, floater 16 and contact switch contact, contact switch carries out signal feedback to controller 28, and controller 28 received signal feedback and stopped the feed liquor operation this moment, opens outlet valve 22 simultaneously and pours into buret 24 with the inside chloride liquid of barrel 13 into to realize the demand of automatic titration test.

In the scheme, the second screw rod 26 is screwed on the side surface of the bracket 25, and the bracket 25 is fixed on the side surface of the upright 1. And because the body of buret 24 articulates and installs in support 25 inside, can adjust buret 24's angle and fix through second screw rod 26 according to the demand to can satisfy the titration experiment demand of different angles, enlarged the application scope of device.

In the above-described embodiment, the reactor 27 is provided at the lower side of the outlet of the burette 24, and the chloride solution is dropped into the reactor 27 from the outlet of the burette 24.

Working principle:

when the chloride automatic titration device is specifically used, the liquid adding pipe 2 is connected with the liquid supplying device through the independent switching valve 21, the switching valve 21 is opened to add corresponding solution into the cylinder 13, when the solution in the cylinder 13 is gradually increased to the contact of the floating ball 16 and the bottom of the piston plate 15, the controller 28 receives a signal, at the moment, the switching valve 21 is closed, the outlet valve 22 is opened, the solution enters the pipeline 23 through the outlet valve 22 and then flows into the burette 24, the solution is dripped into the reactor 27 through the outlet of the bottom of the burette 24 for test detection, when the liquid dropping amount needs to be regulated, a user firstly unscrews the first screw 19, then pulls the pull rod 17 through the handle 18 to regulate the height of the piston plate 15, and the piston plate 15 is conveniently observed through the scale mark 29 to be regulated to a proper height, so that the space range below the piston plate 15 forms a container with adjustable capacity, then the pull rod 17 is fixed through the first screw 19, the aim of automatically filling solutions with different capacities is fulfilled, the application range of the device is enlarged, and the aim of inconvenient regulation of the common titration device is solved.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (7)

1. The utility model provides a chloride automatic titration equipment, includes barrel (13) and buret (24), its characterized in that, barrel (13) top is provided with fixing base (14), fixing base (14) are fixed on stand (1) through branch (12), barrel (13) inside is provided with piston plate (15), the top of piston plate (15) is connected with pull rod (17), fixing base (14) side spiro union has first screw rod (19), outlet valve (22) of barrel (13) bottom are connected with the inlet of buret (24) through pipeline (23), buret (24) articulate in support (25), the front of barrel (13) is provided with scale mark (29).

2. The chloride automatic titration apparatus according to claim 1, wherein a base (11) is provided at the bottom of the upright (1), and a controller (28) is provided on the base (11).

3. An automatic chloride titration apparatus according to claim 1, characterized in that the top of the pull rod (17) is connected with a handle (18).

4. The chloride automatic titration apparatus according to claim 1, wherein the liquid inlet of the cylinder (13) is connected to a plurality of switching valves (21) via a liquid filling pipe (2).

5. An automatic chloride titration apparatus according to claim 1, wherein the underside of the piston plate (15) is provided with a float ball (16), and the bottom surface of the piston plate (15) is provided with a contact switch.

6. An automatic chloride titration apparatus according to claim 1, wherein the bracket (25) is screwed with a second screw (26) on the side of the stand (1), and the bracket (25) is fixed on the side of the stand.

7. An automatic chloride titration apparatus according to claim 1, wherein the outlet underside of the burette (24) is provided with a reactor (27).