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CN-224207967-U - Device unit and system capable of providing phosphoric acid with different concentrations for production line

CN224207967UCN 224207967 UCN224207967 UCN 224207967UCN-224207967-U

Abstract

The utility model discloses a device unit and a system capable of providing phosphoric acid with different concentrations for a production line, which belong to the field of chemical industry and comprise a phosphoric acid storage tank with an interlayer at the middle lower part, wherein the top of the phosphoric acid storage tank is connected with an acid supply pipe, the top of the phosphoric acid storage tank is connected with a discharge pipe, the middle of the phosphoric acid storage tank is connected with an acid regulating pipe, the upper part of the interlayer is connected with an upper connecting pipe, the bottom of the interlayer is connected with a lower connecting pipe, the device unit further comprises a steam inlet pipe, a chilled water return pipe, a steam condensate pipe, a chilled water inlet pipe, a first three-way electromagnetic valve and a second three-way electromagnetic valve, the other end of the upper connecting pipe is communicated with the steam inlet pipe and the chilled water return pipe through the first three-way electromagnetic valve, and the other end of the lower connecting pipe is communicated with the steam condensate pipe and the chilled water inlet pipe through the second three-way electromagnetic valve. The utility model can provide phosphoric acid with different concentrations for the production line.

Inventors

  • WU DAN
  • YANG JINSONG
  • WANG HONGZHI
  • LIU DACAI

Assignees

  • 什邡市长丰化工有限公司

Dates

Publication Date
20260508
Application Date
20250521

Claims (8)

  1. 1. The utility model provides a device unit that can provide different concentration phosphoric acid to production line, includes phosphoric acid storage tank (1) of well lower part area intermediate layer (2), a serial communication port, the top of phosphoric acid storage tank (1) is connected with acid supply pipe (3), the top is connected with row material pipe (10), the middle part is connected with transfers sour pipe (12), the upper portion of intermediate layer (2) is connected with connecting pipe (14), the bottom is connected with connecting pipe (15) down, device unit still includes steam admission pipe (16), chilled water return pipe (17), steam condensate pipe (18), chilled water inlet pipe (19), first three-way solenoid valve (20) and second three-way solenoid valve (21), go up connecting pipe (14) other end and steam admission pipe (16), chilled water return pipe (17) intercommunication, the other end of connecting pipe (15) communicates with steam condensate pipe (18) and chilled water inlet pipe (19) through second three-way solenoid valve (21).
  2. 2. The unit of equipment for providing phosphoric acid of different concentrations to a production line according to claim 1, characterized in that the top of the phosphoric acid storage tank (1) is also connected with a breather valve (5).
  3. 3. The device unit capable of providing phosphoric acid with different concentrations for the production line according to claim 1, wherein the phosphoric acid storage tank (1) is further provided with a motor (6) and a stirring device connected with the motor (6), the motor (6) is arranged on the tank top of the phosphoric acid storage tank (1), the stirring device comprises a stirring shaft (7) and stirring blades (8), the lower end of the stirring shaft (7) downwards penetrates through the tank top wall of the phosphoric acid storage tank (1) and is positioned at the bottom in the tank of the phosphoric acid storage tank (1), the stirring blades (8) are positioned in the tank of the phosphoric acid storage tank (1), and the stirring blades (8) are horizontally arranged on the stirring shaft (7).
  4. 4. The device unit for providing phosphoric acid with different concentrations for the production line according to claim 1, wherein a coil (22) is arranged in the interlayer (2), the upper end of the coil (22) is connected with the upper connecting pipe (14), and the lower end is connected with the lower connecting pipe (15).
  5. 5. The device unit capable of providing phosphoric acid with different concentrations for the production line according to claim 1, wherein the acid supply pipe (3) is provided with an acid supply electromagnetic valve (4), the discharge pipe (10) is provided with a discharge electromagnetic valve (11), and the acid regulating pipe (12) is provided with an acid regulating electromagnetic valve (13).
  6. 6. The device unit for providing phosphoric acid with different concentrations to a production line according to claim 5, further comprising a high liquid level sensor (23), a medium liquid level sensor (24) and a low liquid level sensor (25), wherein the high liquid level sensor (23) is installed at the upper part in the tank of the phosphoric acid storage tank (1), the medium liquid level sensor (24) is installed at the middle part in the tank of the phosphoric acid storage tank (1), and the low liquid level sensor (25) is installed at the bottom part in the tank of the phosphoric acid storage tank (1).
  7. 7. The apparatus unit for providing phosphoric acid having different concentrations to a production line according to claim 6, further comprising a low density sensor (26) and a high density sensor (27), wherein the low density sensor (26) is installed between the high level sensor (23) and the medium level sensor (24), and wherein the high density sensor (27) is installed between the medium level sensor (24) and the low level sensor (25).
  8. 8. A system for providing phosphoric acid with different concentrations to a production line, comprising at least 2 device units according to any one of claims 1-7, wherein the system further comprises an acid inlet manifold (30), a steam manifold (31), a discharge manifold (32), a full-automatic centrifugal unit, a chilled water manifold (33), an inlet manifold (34), a condensed water manifold (35) and an acid regulating manifold (36) which are connected with a workshop using process line, the other ends of the acid supply pipes (3) of the device units are connected on the acid inlet manifold (30) in parallel, the other ends of the steam inlet pipes (16) of the device units are connected on the steam manifold (31) in parallel, the other ends of the discharge pipes (10) of the device units are connected on the discharge manifold (32) in parallel, the discharge manifold (32) is connected with a full-automatic centrifugal unit, the other ends of the chilled water return pipes (17) of the device units are connected on the chilled water manifold (33) in parallel, the other ends of the chilled water inlet pipes (19) of the device units are connected on the inlet manifold (34) in parallel, the other ends of the steam condensation pipes (18) of the device units are connected on the condensed water manifold (35) in parallel, and the other ends of the acid regulating manifold (12) are connected on the other ends of the condensed water inlet pipes (12) in parallel.

Description

Device unit and system capable of providing phosphoric acid with different concentrations for production line Technical Field The utility model relates to production of chemical enterprises, in particular to a device unit and a system capable of providing phosphoric acid with different concentrations for a production line. Background In a chemical production enterprise, a certain production line needs to use phosphoric acid with a lower concentration, a certain production line needs to use sulfuric acid with a high concentration, and the existing chemical production enterprise generally adopts the following modes: ⑴ The way of purchasing various phosphoric acids, namely what concentration of phosphoric acid is needed in which production line; ⑵ The phosphoric acid with the highest concentration is purchased and diluted by water for use; ⑶ The lowest concentration phosphoric acid was purchased and the water was evaporated to the desired concentration using a heated concentrate tank. The purchase cost of the modes ⑴ and ⑵ is high, the purchase cost of the mode ⑶ is low, but the energy consumption is high, so that the production cost is high, ⑶ is seriously corroded by phosphoric acid at high temperature, the method is not suitable, and the modes ⑴ - ⑶ are not favorable for automatic production due to the fact that the production lines are respectively used. Disclosure of utility model In view of the above-mentioned drawbacks, the present utility model provides an apparatus unit capable of providing phosphoric acid at different concentrations to a production line, and aims to solve at least one of the problems mentioned in the background art. The utility model provides a device unit that can provide different concentration phosphoric acid to production line, includes the phosphoric acid storage tank of well lower part area intermediate layer, the top of phosphoric acid storage tank is connected with the acid supply pipe, and the top is connected with row material pipe, and the middle part is connected with the acid regulating pipe, and the intermediate layer upper portion is connected with the connecting pipe, and the bottom is connected with down the connecting pipe, and the device unit still includes steam admission pipe, chilled water return pipe, steam condensate pipe, freezing inlet tube, first three-way solenoid valve and second three-way solenoid valve, goes up the connecting pipe other end and passes through first three-way solenoid valve and steam admission pipe, chilled water return pipe intercommunication, and the lower connecting pipe other end passes through second three-way solenoid valve and steam condensate pipe, freezing inlet tube intercommunication. In one or more alternative embodiments of the present utility model, a breather valve is also connected to the top of the phosphoric acid storage tank. In one or more alternative embodiments of the present utility model, the phosphoric acid storage tank is further provided with a motor and a stirring device connected with the motor, the motor is installed on the tank top of the phosphoric acid storage tank, the stirring device comprises a stirring shaft and stirring paddles, the lower end of the stirring shaft penetrates through the tank top wall of the phosphoric acid storage tank downwards and is positioned at the bottom in the tank of the phosphoric acid storage tank, the stirring paddles are positioned in the tank of the phosphoric acid storage tank, and the stirring paddles are horizontally installed on the stirring shaft. In one or more alternative embodiments of the present utility model, a coil is disposed in the interlayer, and an upper end of the coil is connected to the upper connection pipe and a lower end of the coil is connected to the lower connection pipe. In one or more alternative embodiments of the present utility model, the acid supply pipe is provided with an acid supply electromagnetic valve, the discharge pipe is provided with a discharge electromagnetic valve, and the acid regulating pipe is provided with an acid regulating electromagnetic valve. In one or more alternative embodiments of the present utility model, the apparatus unit further includes a high liquid level sensor installed at an upper portion in the tank of the phosphoric acid storage tank, a medium liquid level sensor installed at a middle portion in the tank of the phosphoric acid storage tank, and a low liquid level sensor installed at a bottom portion in the tank of the phosphoric acid storage tank. In one or more alternative embodiments of the utility model, the apparatus unit further comprises a low density sensor mounted between the high level sensor and the medium level sensor and a high density sensor mounted between the medium level sensor and the low level sensor. The utility model also provides a system for providing phosphoric acid with different concentrations to the production line. The system comprises at least 2 device units, an acid inlet mai