阅读说明：本技术 一种稳定安全的注电解液装置 (Stable safe electrolyte injection device ) 是由 韩付军 沈昱 徐宏磊 任丽俐 冉华明 边勤伟 顾微 桑家年 辛吉 于 2021-07-29 设计创作，主要内容包括：本发明公开了一种稳定安全的注电解液装置,包括气动计量泵,气动计量泵上设置有进液口和出液口,在进液口和出液口处均具有单向阀,所述气动计量泵与气源之间设置有气动调节节流阀,所述进液口连接有储液罐,所述出液口连接有出液管,出液管连接有注液头,所述注液头上设置有多个喷射孔,所述喷射孔由入口至出口向外倾斜布置,本发明注液时直接注入隔膜管的纸管内壁、正极环较快吸收,降低了纸管底部的流态的电解液量,较好杜绝了反冲飞溅现象,同时利用气动调节节流阀保持供气量的气量稳定。(The invention discloses a stable and safe electrolyte injection device, which comprises a pneumatic metering pump, wherein a liquid inlet and a liquid outlet are arranged on the pneumatic metering pump, check valves are arranged at the liquid inlet and the liquid outlet, a pneumatic adjusting throttle valve is arranged between the pneumatic metering pump and an air source, the liquid inlet is connected with a liquid storage tank, the liquid outlet is connected with a liquid outlet pipe, the liquid outlet pipe is connected with an injection head, a plurality of injection holes are arranged on the injection head, and the injection holes are obliquely arranged from the inlet to the outlet.)

1. The utility model provides a stabilize safe notes electrolyte device, includes pneumatic measuring pump, is provided with inlet and liquid outlet on the pneumatic measuring pump, all has check valve, its characterized in that in inlet and liquid outlet department: be provided with pneumatic adjustment choke valve between pneumatic measuring pump and the air supply, the inlet is connected with the liquid storage pot, the liquid outlet is connected with the drain pipe, and the drain pipe is connected with annotates the liquid head, annotate overhead a plurality of jet orifices that are provided with of liquid, the jet orifice leans out by entry to export and arranges.

2. A stable and safe electrolyte injection device according to claim 1, wherein: the three injection holes are uniformly distributed along the circumference.

3. A stable and safe electrolyte injection device according to claim 2, wherein: the included angle between the axis of the injection hole and the axis of the liquid injection head is 12-18 degrees.

4. A stable and safe electrolyte injection device according to claim 3, wherein: and a buffering one-way valve is arranged between the liquid injection head and the liquid outlet pipe.

5. A stable and safe electrolyte injection device according to claim 4, characterized in that: and a filtering component is arranged in the liquid storage tank.

6. A stable and safe electrolyte injection device according to claim 5, characterized in that: a liquid inlet pipe is arranged between the liquid inlet and the liquid storage tank, and the liquid inlet pipe and the liquid outlet pipe are both acid and alkali resistant hoses.

7. A stable and safe electrolyte injection device according to claim 6, characterized in that: the tip of feed liquor pipe is provided with first quick screwed joint, the tip of drain pipe is provided with the second quick screwed joint.

8. A stable and safe electrolyte injection device according to claim 7, wherein: the pneumatic metering pump comprises an acid and alkali resistant ceramic plunger, the axis of the ceramic plunger is transverse, a transparent water cup is arranged above the ceramic plunger, and deionized water is filled in the transparent water cup.

Technical Field

The invention belongs to electrolyte solution filling devices, and particularly relates to a device for filling a potassium hydroxide solution into a diaphragm tube on an alkaline battery production line.

Background

The electrolyte of the alkaline manganese battery is an alkaline solution with a certain concentration, which is formed by stirring and mixing potassium hydroxide, zinc oxide and deionized water, water in the solution provides material guarantee for the discharge performance of the battery, and metal ions in the solution play a role in transmission and conduction between a positive electrode and a negative electrode through a diaphragm, so that adding a proper amount of electrolyte into a limited space of the battery is one of key factors for well-made batteries. The stability and the safety of the liquid injection equipment are important requirements for ensuring whether the injection state of the electrolyte meets the process specification and realizing the excellent quality of the battery.

The current process of injecting electrolyte in the production line of alkaline manganese batteries often has the condition that the batteries are polluted by alkali liquor, on the one hand, the reason is that the electrolyte injection pump of the electrolyte injection machine is a pneumatic metering pump of a sea tyrant, particularly, the pump is in the later period of use, the sealing performance is poor, the air pressure fluctuation directly influences the liquid injection state, the phenomena of splashing of the electrolyte, hanging drop, unstable liquid injection amount and the like are often caused when the electrolyte injection is carried out, the pollution to a steel shell barrel body and a mouth part is serious, the liquid injection state is unstable every shift, the liquid injection amount does not meet the process requirements, the electrolyte injection pump needs to be adjusted for 3-5 times, and the production efficiency and the product quality are seriously influenced.

On the other hand improves through scientific design and annotates the liquid head and improve and annotate the liquid mode, and former notes liquid head hole aperture 3mm directly pours into diaphragm pipe bottom into during notes liquid, because of annotating the liquid too fast, produces the great easy recoil phenomenon that splashes that produces of pressure.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a diaphragm tube which is directly injected into the inner wall of the paper tube and an anode ring during liquid injection, the diaphragm tube can be quickly absorbed, the flow state electrolyte amount at the bottom of the paper tube is reduced, the phenomenon of backflushing and splashing is better avoided, and meanwhile, the air quantity of the supplied air quantity is kept stable by utilizing a pneumatic adjusting throttle valve.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a stable safe notes electrolyte device, includes pneumatic measuring pump, is provided with inlet and liquid outlet on the pneumatic measuring pump, all has the check valve in inlet and liquid outlet department, be provided with pneumatic regulation choke valve between pneumatic measuring pump and the air supply, the inlet is connected with the liquid storage pot, the liquid outlet is connected with the drain pipe, and the drain pipe is connected with annotates the liquid head, annotate the overhead a plurality of jet orifices that are provided with of liquid, the jet orifice leans out by entry to export and arranges.

And three injection holes are further formed and are uniformly distributed along the circumference.

The included angle between the axial line of the injection hole and the axial line of the liquid injection head is 12-18 degrees.

And a buffering one-way valve is arranged between the liquid injection head and the liquid outlet pipe.

Further, a filtering component is arranged in the liquid storage tank.

Further, a liquid inlet pipe is arranged between the liquid inlet and the liquid storage tank, and the liquid inlet pipe and the liquid outlet pipe are both acid and alkali resistant hoses.

Furthermore, the end part of the liquid inlet pipe is provided with a first quick screwing joint, and the end part of the liquid outlet pipe is provided with a second quick screwing joint.

The pneumatic metering pump further comprises an acid and alkali resistant ceramic plunger, the axis of the ceramic plunger is transverse, a transparent water cup is arranged above the ceramic plunger, and deionized water is filled in the transparent water cup.

Compared with the prior art, the invention has the beneficial effects that: the invention changes the injection holes of the injection head into a plurality of injection holes, and each injection hole is injected into the battery outwards, and the electrolyte is directly injected into the inner wall of the paper tube and the anode ring of the diaphragm tube during injection, so that the absorption is fast, the flow state electrolyte amount at the bottom of the paper tube is reduced, and the backflushing splashing phenomenon is well avoided; meanwhile, the one-way valve is additionally arranged on the liquid injection pipeline, the hanging drip and backflow phenomena caused by poor sealing of the pump body are prevented, the production operation is good, the phenomena of splashing, hanging drip, unstable liquid injection amount and the like are avoided, the labor intensity of workers is greatly reduced, the problems of battery alkali liquid pollution and liquid leakage are solved, and the starting efficiency of the equipment is improved.

Drawings

FIG. 1 is a schematic structural diagram of a stable and safe electrolyte injection device according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic bottom view of the liquid injection head.

Reference numerals: 1. a pneumatic metering pump; 11. a gas source connector; 12. a pneumatically regulated throttle valve; 13. a ceramic plunger; 14. a reciprocating pneumatic drive component; 15. a micrometer scale adjusting knob; 16. a transparent cup; 161. deionized water; 2. a liquid storage tank; 3. a liquid inlet pipe; 4. a liquid outlet pipe; 5. a buffer check valve; 6. a liquid injection head; 61. an injection hole; 7. a battery; 81. a first quick-twist fitting; 82. a second quick-twist fitting; 9. a one-way valve.

Detailed Description

An embodiment of the stable and safe electrolyte injection device of the present invention is further described with reference to fig. 1 to 3.

In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate that the orientation and positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, a definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "a number" or "a number" means two or more unless explicitly specified otherwise.

The utility model provides a stable safe notes electrolyte device, includes pneumatic measuring pump 1, is provided with inlet and liquid outlet on the pneumatic measuring pump 1, all has check valve 9 in inlet and liquid outlet department, be provided with pneumatic adjustment choke valve 12 between pneumatic measuring pump 1 and the air supply, the inlet is connected with liquid storage pot 2, the liquid outlet is connected with drain pipe 4, and drain pipe 4 is connected with annotates liquid head 6, it is provided with a plurality of jet orifices 61 on the liquid head 6 to annotate, jet orifice 61 leans out by entering mouth to export and arranges.

The structure of each part of the invention adopts acid and alkali resistant material.

In the invention, the pneumatic adjusting throttle valve 12 is arranged at the air source connector 11 of the pneumatic metering pump 1, the pneumatic adjusting throttle valve 12 is used for keeping the air quantity stable, because the liquid injection process is the result of the combined action of the stable air quantity and the electrolyte volume, a hole on the original liquid injection head 6 is divided into a plurality of injection holes 61, the aperture of each injection hole 61 is reduced, and meanwhile, the injection holes 61 are not directly towards the bottom in the battery 7, but obliquely towards the side wall, namely, the inner wall of the paper tube directly injected into the diaphragm tube during liquid injection and the positive polar ring can be absorbed quickly, the liquid state electrolyte quantity at the bottom of the paper tube is reduced, and the backflushing phenomenon is avoided well.

In the invention, preferably, three injection holes 61 are arranged, the three injection holes 61 are uniformly distributed along the circumference, and the included angle between the axis of each injection hole 61 and the axis of the liquid injection head 6 is 12-18 degrees.

As shown in FIGS. 2 and 3, the liquid injection head 6 is arranged vertically, and the electrolyte flows from top to bottom in the liquid injection head 6, that is, the bottom end of the injection hole 61 is an outlet, the top end is an inlet, the outlet is far from the center of the liquid injection head 6, the inlet is near the center of the liquid injection head 6, the diameter of each injection hole 61 is 1mm in the present embodiment, and the inclination angle thereof is 15 degrees.

In this embodiment, a buffering check valve 95 is preferably disposed between the liquid injection head 6 and the liquid outlet pipe 4.

The check valve 9 on the pneumatic metering pump 1 and the check valve prevent the electrolyte from flowing back to enter air in a conveying pipeline caused by replacement of the electrolyte in the liquid storage tank 2, and the stability of the electrolyte in subsequent normal operation is influenced.

The liquid storage tank 2 is internally provided with a filtering component which plays an important role in filtering in order to prevent the electrolyte in the liquid storage tank 2 from containing precipitates or suspended matters.

It is preferred in this embodiment be provided with feed liquor pipe 3 between inlet and the liquid storage pot 2, feed liquor pipe 3 and drain pipe 4 are acid and alkali-resistant hose, and the tip of feed liquor pipe 3 is provided with first quick-twist joint 81, the tip of drain pipe 4 is provided with second quick-twist joint 82.

As shown in fig. 1, a first quick-screw connector 81 and a second quick-screw connector 82 are provided at the joints of the liquid inlet pipe 3, the liquid outlet pipe 4 and the respective components.

The preferred pneumatic measuring pump 1 of this embodiment is including acid and alkali-resistant ceramic plunger 13, axis at ceramic plunger 13 is horizontal, ceramic plunger 13's top is provided with transparent drinking cup 16, it has deionized water 161 to annotate in the transparent drinking cup 16, specific pneumatic measuring pump 1 is still including reciprocating type pneumatic drive part 14, high accuracy micrometer scale adjust knob 15 has in pneumatic measuring pump 1's the outside, micrometer scale adjust knob 15 is located the end, it unites as an organic whole through reciprocating type pneumatic drive part 14 and ceramic plunger 13, deionized water 161 in the transparent drinking cup 16 plays the liquid seal effect.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.