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CN-224212789-U - PH gradient adjusting device

CN224212789UCN 224212789 UCN224212789 UCN 224212789UCN-224212789-U

Abstract

The utility model relates to the technical field of hydrogen production by water electrolysis and discloses a pH gradient adjusting device which comprises an electrolytic tank, a liquid storage tank and a stirring barrel, wherein the electrolytic tank is communicated with the liquid storage tank through a first water pump and a first water pipe, the liquid storage tank is communicated with the bottom end of the stirring barrel through a second water pump and a second water pipe, one side of the top of the stirring barrel is communicated with a water inlet pipe, the water inlet pipe is externally connected with water supply equipment, the other side of the top of the stirring barrel is communicated with a feed pipe, one side of the feed pipe is provided with a quantitative blanking mechanism, and the stirring barrel is internally provided with a stirring mechanism. The quantitative tube is driven to move back and forth by the control cylinder for times, the weight of alkaline materials entering the stirring cylinder can be controlled, the water quantity entering the stirring cylinder is controlled by the liquid level sensor, the concentration of alkali liquor is controlled by workers, and the PH value in the electrolytic tank is controlled conveniently.

Inventors

  • LIU DONGDAN
  • FU DETIAN

Assignees

  • 福建浩达智能科技股份有限公司

Dates

Publication Date
20260508
Application Date
20250526

Claims (8)

  1. 1. The pH gradient adjusting device comprises an electrolytic tank (1), a liquid storage tank (2) and a stirring cylinder (3), wherein the electrolytic tank (1) is communicated with the liquid storage tank (2) through a first water pump and a first water pipe, and the liquid storage tank (2) is communicated with the bottom end of the stirring cylinder (3) through a second water pump and a second water pipe; The blanking mechanism comprises an air cylinder (10) and a quantitative pipe (11), the air cylinder (10) is fixedly arranged on the side wall of the stirring barrel (3), the quantitative pipe (11) is fixedly connected to the output end of the air cylinder (10), the top and the bottom of the quantitative pipe (11) are both openings, a clamping plate I (12) is fixedly connected to the outer wall of the top of the quantitative pipe (11), a clamping plate II (13) is fixedly connected to the outer wall of the bottom of the quantitative pipe (11), a blanking hopper (9) is arranged above the quantitative pipe (11), the blanking hopper (9) is fixedly connected to the side wall of the stirring barrel (3), a baffle (45) is fixedly connected to the outer wall of the top of the feeding pipe (8), and the bottom of the quantitative pipe (11) is attached to the top of the baffle (45); The stirring mechanism comprises a first motor (4) and a stirrer (5), the first motor (4) is fixedly arranged at the center of the top of the stirring barrel (3), and the output end of the first motor (4) extends into the inner cavity of the stirring barrel (3) and is fixedly connected with the stirrer (5).
  2. 2. The pH gradient adjusting device according to claim 1, wherein the top of the stirring cylinder (3) is fixedly connected with a mounting seat (14), the top of the mounting seat (14) is fixedly provided with a motor II (15), the output end of the motor II (15) is fixedly connected with a rotating shaft (17), the side wall row of the mounting seat (14) is fixedly connected with a support (16), the support (16) is rotatably connected with a screw rod (31), the screw rod (31) is in threaded connection with a screw sleeve (33), the screw sleeve (33) is rotatably connected with a mounting block I (34), the support (16) is fixedly connected with a guide rod I (32), the mounting block I (34) is in sliding connection with the guide rod I (32), the rotating shaft (17) is in transmission with the screw rod (31) through a transmission assembly, a pressing plate I (41) is arranged above the blanking hopper (9), and the mounting block I (34) is fixedly connected with the pressing plate I (41) through a connecting rod I (40).
  3. 3. The pH gradient adjusting device according to claim 2, wherein the support (16) is rotatably connected with a reciprocating screw (36), a second guide rod (37) is fixedly connected to the support (16), a second installation block (38) is slidably connected to the second guide rod (37), a sliding block (39) is movably connected to the second installation block (38), the sliding block (39) is slidably connected with a reciprocating thread groove on the reciprocating screw (36), a second pressing plate (43) is arranged above the feed pipe (8), and the second pressing plate (43) is fixedly connected with the second installation block (38) through a second connecting rod (42).
  4. 4. The pH gradient adjusting device according to claim 3, wherein the transmission component comprises a sleeve (18), an electromagnet (20) and a permanent magnet (21), the top end of the rotating shaft (17) is fixedly connected with the sleeve (18), a first support shaft (24) is arranged above the sleeve (18), a first spur gear (25) is fixedly connected to the first support shaft (24), a second support shaft (27) is arranged below the sleeve (18), a second spur gear (28) is fixedly connected to the second support shaft (27), the first support shaft (24) and the second support shaft (27) are both rotationally connected with the bracket (16), the rotating shaft (17) penetrates the second support shaft (27), a third spur gear (30) is fixedly connected to the bottom end of the screw (31), the third spur gear (30) is in meshed connection with the first spur gear (25), a fourth spur gear (35) is fixedly connected to the bottom end of the reciprocating screw (36), a plurality of groups of sliding grooves (19) are formed in the top and bottom of the sleeve (18), a plurality of groups of permanent magnets (21) are fixedly connected to the top of the permanent magnet (20), one end of the limiting rod (23) far away from the permanent magnet (21) penetrates through the sliding groove (19) to extend to the outer side of the sleeve (18), and a spring (22) is fixedly connected between the top of the permanent magnet (21) and the top of an inner cavity of the sleeve (18).
  5. 5. The pH gradient adjusting device according to claim 4, wherein a plurality of groups of clamping grooves I (26) are formed in the bottom end of the support shaft I (24), a plurality of groups of clamping grooves II (29) are formed in the top end of the support shaft II (27), clamping blocks are arranged on the limiting rod (23), the clamping blocks are matched with the clamping grooves I (26) and the clamping grooves II (29), a plurality of groups of vertical grooves are formed in the inner wall of the sleeve (18), protrusions are formed in the outer side wall of the permanent magnet (21), and the protrusions are connected with the vertical grooves in a sliding mode.
  6. 6. The pH gradient adjusting device according to claim 5, wherein a plurality of ejector rods (44) are uniformly fixedly connected to the bottom end of the second pressing plate (43), and the bottom ends of the ejector rods (44) are in a pointed cone shape.
  7. 7. The pH gradient adjusting device according to claim 6, wherein a scraping ring I is fixedly connected to the bottom of the inner cavity of the discharging hopper (9), and the cross section of the scraping ring I is triangular.
  8. 8. The pH gradient adjusting device according to claim 7, wherein a scraping ring II is fixedly connected to the bottom of the inner cavity of the quantitative tube (11), and the cross section of the scraping ring II is triangular.

Description

PH gradient adjusting device Technical Field The utility model relates to the technical field of hydrogen production by water electrolysis, in particular to a pH gradient adjusting device. Background Hydrogen is considered to be an ideal clean energy source because the product of hydrogen combustion is water and is environmentally friendly. At present, the hydrogen production by water electrolysis is widely applied as a low-cost hydrogen preparation method. In the prior art, when the alkali liquor in the liquid storage tank is not sufficient to supplement the electrolytic tank, the weight of the alkali materials and the water is required to be manually proportioned by a worker to finish the mixing of the alkali liquor, but the manual proportioning mode is easy to cause errors in weighing, so that the concentration of the proportioned alkali liquor is deviated, and the PH value in the electrolytic tank is influenced. Disclosure of utility model The present utility model is directed to a pH gradient adjusting device, which solves the above-mentioned problems of the prior art. The pH gradient adjusting device comprises an electrolytic tank, a liquid storage tank and a stirring cylinder, wherein the electrolytic tank is communicated with the liquid storage tank through a first water pump and a second water pipe, the liquid storage tank is communicated with the bottom end of the stirring cylinder through a second water pump and a second water pipe, one side of the top of the stirring cylinder is communicated with a water inlet pipe, the water inlet pipe is externally connected with water supply equipment, the other side of the top of the stirring cylinder is communicated with a feed pipe, one side of the feed pipe is provided with a quantitative blanking mechanism, the stirring cylinder is internally provided with a stirring mechanism, and the top of the stirring cylinder is fixedly provided with a liquid level sensor; The discharging mechanism comprises a cylinder and a quantitative pipe, wherein the cylinder is fixedly arranged on the side wall of the stirring cylinder, the output end of the cylinder is fixedly connected with the quantitative pipe, the top and the bottom of the quantitative pipe are both openings, a clamping plate I is fixedly connected on the outer wall of the top of the quantitative pipe, a clamping plate II is fixedly connected on the outer wall of the bottom of the quantitative pipe, a discharging hopper is arranged above the quantitative pipe and is fixed on the side wall of the stirring cylinder, a baffle is fixedly connected on the outer wall of the top of the feeding pipe, and the bottom end of the quantitative pipe is attached to the top of the baffle; The stirring mechanism comprises a first motor and a stirrer, the first motor is fixedly arranged at the center of the top of the stirring barrel, and the output end of the first motor extends into the inner cavity of the stirring barrel and is fixedly connected with the stirrer. Preferably, the top rigid coupling of churn has the mount pad, the top fixed mounting of mount pad has motor two, the output rigid coupling of motor two has the pivot, the lateral wall row rigid coupling of mount pad has the support, rotate on the support and be connected with the lead screw, threaded connection has the silk cover on the lead screw, it is connected with installation piece one to rotate on the silk cover, the rigid coupling has guide bar one on the support, installation piece one and guide bar one sliding connection, pass through drive assembly transmission between pivot and the lead screw, the top of hopper is equipped with clamp plate one down, through connecting rod one rigid coupling between installation piece one and the clamp plate one. Preferably, the reciprocating screw is rotationally connected to the support, the guide rod II is fixedly connected to the support, the installation block II is slidably connected to the guide rod II, the sliding block is movably connected to the installation block II, the sliding block is slidably connected with the reciprocating thread groove on the reciprocating screw, the pressing plate II is arranged above the feeding pipe, and the pressing plate II is fixedly connected with the installation block II through the connecting rod II. Preferably, the transmission assembly comprises a sleeve, an electromagnet and a permanent magnet, the top end of the rotating shaft is fixedly connected with the sleeve, a first fulcrum shaft is arranged above the sleeve, a first spur gear is fixedly connected onto the first fulcrum shaft, a second fulcrum shaft is arranged below the sleeve, a second spur gear is fixedly connected onto the second fulcrum shaft, the first fulcrum shaft and the second fulcrum shaft are both rotationally connected with the support, the rotating shaft penetrates through the second fulcrum shaft, a third spur gear is fixedly connected with the bottom end of the screw rod, the third spur gear is i