CN212085159U

CN212085159U - Lead-acid battery formation groove

Info

Publication number: CN212085159U
Application number: CN202021300519.9U
Authority: CN
Inventors: 李斌; 孙龙; 汪展; 李国清; 刘长来; 夏诗忠; 阮佳飞
Original assignee: Yangzhou Apollo Battery Co ltd
Current assignee: Yangzhou Apollo Battery Co ltd
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2020-12-04
Anticipated expiration: 2030-07-06

Abstract

A lead-acid battery chemical bath is characterized in that two end parts in a chemical bath body are provided with two rolling lines which extend along the length direction and are used for conveying batteries, a baffle plate is arranged right above the two rolling lines and is of a bending structure consisting of a transverse plate and a vertical plate, wherein one end of the transverse plate is connected with the side wall of the chemical bath body, the vertical plate is connected with the other end of the transverse plate, the width of the transverse plate is larger than that of the batteries, a plurality of air suction ports which are uniformly distributed side by side are formed in the length direction, each air suction port is communicated with a main air pipe outside the chemical bath body through an air pipe, and the tail end of the; a natural ventilation opening I is formed in the right side wall of the formation tank body, and a plurality of natural ventilation openings II which are arranged side by side are formed in the front side wall and the rear side wall of the formation tank body; each natural ventilation opening is located between the battery and the transverse plate, and the total amount of the natural ventilation openings is smaller than that of the air suction opening; two windows for passing through the battery are formed in the left side wall of the chemical synthesis groove body, the two windows correspond to the raceway lines one by one, and sealing doors are arranged at the windows; effectively reduce updraft ventilator energy consumption, reduction in production cost to improve the security performance.

Description

Lead-acid battery formation groove

Technical Field

The utility model belongs to the technical field of lead acid battery, concretely relates to lead acid battery ization grooving.

Background

The last procedure of lead-acid battery production is battery charging formation (internal formation), which is completed in a formation tank. In the process of charging the battery, the battery is heated, hydrogen and acid mist are generated, an air exhaust pipeline is arranged at the upper part of the formation tank, the acid mist and the hydrogen are exhausted, and circulating water can be introduced into the bottom of the formation tank to cool the battery. The battery formation process is divided into 7 stages in total, namely 1 stage, 2 stage, 3 stage, 4 stage, 5 stage, 6 stage and 7 stage, the charging current is large in the 1 stage, 2 stage and 3 stage, the temperature of the electrolyte is high, the gas escape speed is high, and the electrolyte (sulfuric acid) is taken out to easily form acid mist; in

stages

4, 5, 6 and 7, the chemical potential rises due to the fact that the reaction of the active substances approaches the end sound, and the potential of the electrolyzed water is reached, and hydrogen is mainly generated at the moment.

Hydrogen has a specific gravity of 0.0695, is the lightest gas, and diffuses 2 to 3.8 times faster in air (specific gravity of 1) than in air (diffusion coefficient =61.1 × 10-6 ″

In s). When the volume ratio in the air is 4-74%, the material is combustible, and the lower explosion limit is 4%. While the ignition energy of hydrogen was 0.017M (0.28M for methane). The data show that even the static electricity generated by high-speed leakage can ignite the hydrogen when the volume of the hydrogen in the formation tank is more than 4 percent, and chain reaction occurs to further cause explosion

The prior treatment method has the following defects:

1. in order to ensure safe operation, the existing air extraction device must be fully opened in the whole process to prevent the hydrogen concentration in the box body from reaching the off-line state, but the method has larger energy consumption;

2. the chemical tank is unreasonable in design, cannot control the hydrogen concentration below the explosion limit, and cannot eliminate the potential safety hazard completely.

Disclosure of Invention

An object of the utility model is to overcome the above-mentioned not enough of prior art and provide a lead acid battery ization grooving, effectively reduce the updraft ventilator energy consumption, reduction in production cost to improve the security performance.

The technical solution is as follows: a lead-acid battery chemical bath comprises a chemical bath body, wherein two end parts in the chemical bath body are provided with two rolling lines extending along the length direction and used for conveying batteries, a baffle is arranged right above the two rolling lines and is of a bending structure consisting of a transverse plate and a vertical plate, the transverse plate is connected with the side wall of the chemical bath body at one end, the vertical plate is connected with the other end of the transverse plate, the width of the transverse plate is larger than that of the batteries, a plurality of air suction ports which are uniformly distributed side by side are formed in the length direction, each air suction port is communicated with an air main outside the chemical bath body through an air pipe, the tail end of the air main extends out of the chemical bath, the outer end of the air main is provided with an air exhauster, and the distance between the; a first natural vent is formed in the right side wall of the chemical synthesis tank body, a second natural vent is formed in the front side wall and the rear side wall of the chemical synthesis tank body and arranged side by side, the first natural vent and the second natural vent are located at the same horizontal height, and the height of the first natural vent and the height of the second natural vent is 60-80 cm higher than the height of cooling water; each natural ventilation opening is located between the battery and the transverse plate, and the total amount of the natural ventilation openings is smaller than that of the air suction opening; two windows for passing through the battery are formed in the left side wall of the formation groove body, the two windows correspond to the raceway lines one to one, and sealing doors are installed at the windows.

The distance from the first natural ventilation opening to the front side wall and the rear side wall of the chemical tank body is the same.

The top end of the chemical tank body is provided with an air pipe through hole, and the air pipe is sealed by sealing glue after passing through the air pipe through hole.

Charging wire through holes are formed in the top end of the formation groove body and corresponding positions of the transverse plates, and after the charging wires sequentially pass through the charging wire through holes in the formation groove body and the transverse plates, the formation groove body and the transverse plates are sealed through sealing glue.

Still be equipped with inlet, liquid outlet on the chemical bath body, the inlet is through water pipe one and circulating water pump output end intercommunication, and circulating water pump input end is through water pipe two and cistern delivery port intercommunication, and the liquid outlet is located cooling water high liquid level line department to through water pipe three and cistern return water mouth intercommunication.

The roller path line is composed of a plurality of rollers which are arranged between the inner wall of the chemical bath body and the support plate side by side.

The lower end of the sealing door is hinged with the lower frame of the window through a hinge, the upper end of the sealing door is hinged with a lock hook, and the upper frame of the window is provided with a lock catch used for being matched with the lock hook to lock.

And a sealing ring is arranged on the periphery of the sealing door.

And a supporting plate is arranged between the baffle and the top end of the chemical tank body.

Has the advantages that: compared with the prior art, the utility model is provided with the natural ventilation system, and the hydrogen concentration in the formation tank can be effectively controlled through the simultaneous work of the air exhaust pipeline and the ventilation system, thereby improving the safety performance; in the stage of generating hydrogen by formation, the concentration of hydrogen can be effectively controlled to be not more than the lower explosion limit only by ensuring that the inside of the tank body is in a micro negative pressure state, the air exhaust device does not need full-process full-load operation, the energy consumption of the air exhaust device is effectively reduced, and the production cost is reduced.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a schematic diagram of the internal structure of the present invention.

Detailed Description

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and all other embodiments obtained without inventive labor for those skilled in the art belong to the protection scope of the present invention.

As shown in fig. 1, fig. 2 and fig. 3, the utility model discloses a chemical bath body 1, both ends are established along length direction extension in the chemical bath body 1, two raceway lines 3 for transporting battery 2, raceway line 3 comprises a plurality of cylinders that set up side by side between chemical bath body 1 inner wall and extension board, chemical bath body 1 left side wall sets up two windows for passing through battery 2, two windows and raceway lines 3 one-to-one, the window department is equipped with sealing door, the lower tip of sealing door passes through the hinge with window lower frame and articulates, the upper end articulates there is the latch hook, window upper frame is equipped with the hasp that is used for locking with the latch hook cooperation, the sealing door periphery is equipped with the sealing washer, prevent that the cooling water from spilling; the chemical synthesis tank body 1 is also provided with a liquid inlet and a liquid outlet, the liquid inlet is communicated with the output end of a circulating water pump through a first water pipe, the input end of the circulating water pump is communicated with the water outlet of a reservoir through a second water pipe, and the liquid outlet is arranged at a high liquid level line of cooling water and is communicated with a water return port of the reservoir through a third water pipe; a baffle plate 4 is arranged right above the two rolling track lines 3, a support plate 5 is arranged between the baffle plate 4 and the top end of the chemical conversion tank body 1, the baffle plate is of a bending structure consisting of a transverse plate with one end connected with the side wall of the chemical conversion tank body 1 and a vertical plate connected with the other end of the transverse plate, the width of the transverse plate is larger than that of the battery 2, a plurality of suction ports 6 which are uniformly distributed side by side are arranged in the length direction, each suction port 6 is communicated with a main gas pipe outside the chemical conversion tank body 1 through a gas pipe, an exhaust fan is arranged at the tail end of the main gas pipe, the distance between the downward extension of the vertical plate and the high liquid level of cooling water in the chemical conversion tank body 1 is 20cm, and the bent baffle plate 4 can partially block and isolate hydrogen generated by a corresponding row of batteries due to light specific gravity of hydrogen; a natural vent I7 is arranged at the middle lower part of the right side wall of the chemical synthesis tank body 1, a plurality of natural vents II 8 which are arranged side by side are arranged at the middle lower parts of the front side wall and the rear side wall, and the natural vents I7 and the natural vents II 8 are positioned at the same horizontal height and are 60-80 cm higher than the high liquid level of cooling water; the second air vents 8 are positioned between the batteries 2 and the transverse plate, and the total quantity of the air vents is smaller than that of the air suction opening 6; a natural ventilation opening is arranged, and in the pumping process, external air is pumped in to further reduce the concentration of hydrogen and improve the possibility of pumping out hydrogen; the top end of the chemical tank body 1 is provided with an air pipe through hole, and the air pipe passes through the air pipe through hole and then is sealed by sealing glue; charging wire through holes are formed in the top end of the formation groove body 1 and corresponding positions of the transverse plates, and the formation charging wires are sequentially passed through the charging wire through holes in the formation groove body 1 and the transverse plates and then sealed through sealing glue.

The distance from the first natural ventilation opening 7 to the front side wall and the rear side wall of the chemical tank body 1 is the same.

During formation, connecting positive/negative terminals of a plurality of batteries 2 in series to form a row, then opening a sealing door, pushing the batteries 2 connected in series into a roller line 3, integrally conveying the row of batteries into a formation tank body 1 by means of a roller, after the batteries completely enter the formation tank body, communicating a charging wire which is pre-arranged in the formation tank body 1 with the positive and negative electrodes of the batteries close to one end of the sealing door, and finally closing the sealing door to start electrification formation; meanwhile, the interior of the chemical synthesis tank body 1 is exhausted through the exhaust fan, and in the

stages

1, 2 and 3 of easily generating acid mist, in order to prevent the acid mist from overflowing and influencing the workshop environment and operators, the exhaust fan is operated at full load under rated power, so that the environmental pollution is prevented, and the injury to the personnel of the operators is reduced; at the 4, 5, 6, 7 stages of easily producing hydrogen, make the air exhauster 20% power down the operation, make the formation in the groove body 1 of formation negative pressure can, on the one hand hydrogen proportion is lighter more easily taken out from suction opening 6, and the air that gets into from the natural vent simultaneously further reduces hydrogen concentration, forms the air convection current simultaneously and changes and make hydrogen taken out, effectively prevents that hydrogen concentration from exceeding the explosion lower limit, improves the security performance.

It will be understood by those skilled in the art that the foregoing is merely exemplary of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, combinations, alternatives, and equivalents falling within the spirit and scope of the invention.

Claims

1. A lead-acid battery formation tank is characterized in that: the device comprises a chemical tank body (1), wherein two end parts in the chemical tank body (1) are provided with a transverse plate and a bending structure, the transverse plate is connected with the side wall of the chemical tank body (1) through one end, the bending structure is connected with a vertical plate at the other end of the transverse plate, the two roller lines (3) are used for conveying a battery (2), a baffle plate (4) is arranged right above the two roller lines (3), the baffle plate is a transverse plate, one end of the transverse plate is connected with the side wall of the chemical tank body (1), the transverse plate is of a bending structure, the width of the transverse plate is larger than that of the battery (2), a plurality of air suction ports (6) are arranged in the length direction in an evenly distributed mode side by side, each air suction port (6) is communicated with an air main pipe outside the chemical tank body (1) through an air; a natural vent I (7) is formed in the right side wall of the formation tank body (1), a plurality of natural vents II (8) are arranged in parallel on the front side wall and the rear side wall, the natural vents I (7) and the natural vents II (8) are located at the same horizontal height, and the height of the natural vents I and the height of the natural vents II are 60-80 cm higher than the height of cooling water; each natural ventilation opening II (8) is positioned between the battery (2) and the transverse plate, and the total amount of the natural ventilation openings II is smaller than that of the air suction openings (6); two windows for passing through the batteries (2) are formed in the left side wall of the formation groove body (1), the two windows correspond to the roller path lines (3) one by one, and sealing doors are installed at the windows.

2. The lead-acid battery cell of claim 1, wherein: the distances from the first natural ventilation opening (7) to the front side wall and the rear side wall of the chemical tank body (1) are the same.

3. The lead-acid battery cell of claim 1, wherein: the top end of the chemical tank body (1) is provided with an air pipe through hole, and the air pipe passes through the air pipe through hole and then is sealed by sealing glue.

4. A lead-acid battery cell according to claim 3, wherein: charging wire through holes are formed in the top end of the chemical groove body (1) and corresponding positions of the transverse plates, and the chemical groove body (1) and the transverse plates are sequentially connected with the charging wires through the charging wire through holes in the transverse plates and then sealed through sealing glue.

5. The lead-acid battery cell of claim 1, wherein: still be equipped with inlet, liquid outlet on the chemical synthesis groove body (1), the inlet is through water pipe one and circulating water pump output end intercommunication, and circulating water pump input end is through water pipe two and cistern delivery port intercommunication, and the high liquid level line department of cooling water is located to the liquid outlet to through water pipe three and cistern return water mouth intercommunication.

6. The lead-acid battery cell of claim 1, wherein: a support plate (9) parallel to the front and rear side walls is arranged in the chemical tank body (1), and the roller track line (3) is composed of a plurality of rollers arranged between the inner wall of the chemical tank body (1) and the support plate side by side.

7. The lead-acid battery cell of claim 1, wherein: the lower end of the sealing door is hinged with the lower frame of the window through a hinge, the upper end of the sealing door is hinged with a lock hook, and the upper frame of the window is provided with a lock catch used for being matched with the lock hook to lock.

8. The lead-acid battery cell of claim 7, wherein: and a sealing ring is arranged on the periphery of the sealing door.

9. The lead-acid battery cell of claim 1, wherein: a supporting plate (5) is arranged between the baffle (4) and the top end of the chemical tank body (1).