CN-121005432-B - Potassium chlorate waste brine concentrating and evaporating device and process

CN121005432BCN 121005432 BCN121005432 BCN 121005432BCN-121005432-B

Abstract

The invention relates to the technical field of potassium chlorate waste brine recovery and discloses a potassium chlorate waste brine concentration evaporation device and a process, wherein the potassium chlorate waste brine concentration evaporation device comprises an evaporation tank, a feed pipe is communicated with the outer wall of the evaporation tank, an exhaust pipe is communicated with the top of the evaporation tank, a waste discharge pipe is communicated with the bottom of the evaporation tank, and a heating cavity is formed in the outer wall of the evaporation tank.

Inventors

Ge Gaoyue
HUANG YUXING
LI HAO
GE QIANQIAN
CUI YONG
ZHANG HUANRUI

Assignees

双峰县珊瑚科技有限责任公司

Dates

Publication Date: 20260505
Application Date: 20251023

Claims (5)

1. A potassium chlorate waste brine concentrating and evaporating device, comprising: the evaporation tank (1), the feed pipe (2) is communicated with the outer wall of the evaporation tank (1), the exhaust pipe (4) is communicated with the top of the evaporation tank (1), the waste discharge pipe (5) is communicated with the bottom of the evaporation tank (1), the heating cavity (3) is formed in the outer wall of the evaporation tank (1), and the heating component is arranged in the heating cavity (3); The rotary plate (6), the rotary plate (6) is rotationally arranged on the top wall of the evaporation tank (1), a servo motor (7) is fixedly arranged at the top of the evaporation tank (1), an output shaft of the servo motor (7) is fixedly connected with a rotating shaft of the rotary plate (6), two first T-shaped rods (13) are slidably arranged on the rotary plate (6), the two first T-shaped rods (13) penetrate through the rotary plate (6), each first T-shaped rod (13) is connected with the bottom of the rotary plate (6) through a first spring (14), the first T-shaped rods (13) are enabled to ascend by the aid of pretightening force of the first springs (14), and stirring rods (8) are fixedly arranged at the bottom ends of the two first T-shaped rods (13); The stirring rod comprises a fixed box (11), wherein the fixed box (11) is fixedly arranged on a rotating plate (6), a cam (12) is rotatably arranged on the fixed box (11), the cam (12) is positioned between a stirring rod (8) and the rotating plate (6), a transmission assembly is arranged on the fixed box (11), the transmission assembly is connected with the rotating plate (6) and the cam (12), when a servo motor (7) drives the rotating plate (6) to rotate, the rotating plate (6) drives the cam (12) to rotate through the transmission assembly, when the cam (12) is close to the stirring rod (8), the cam (12) enables the stirring rod (8) and a first T-shaped rod (13) to synchronously descend, and when the cam (12) rotates away from the stirring rod (8), a first spring (14) enables the first T-shaped rod (13) and the stirring rod (8) to synchronously ascend, and at the moment, the stirring rod (8) is impacted on the cam (12) to vibrate; two symmetrically arranged L-shaped plates (16) are fixedly arranged on the rotating plate (6), each L-shaped plate (16) is provided with an impact rod (15) in a sliding manner, the impact rods (15) move along the radial direction of the stirring rod (8), the two impact rods (15) are driven by a driving assembly arranged on the rotating plate (6) to move in opposite directions, and when the two impact rods (15) are close to each other, the impact rods (15) are abutted against the outer wall of the stirring rod (8); A plurality of semicircular scrapers (23) which are distributed at equal intervals are fixedly arranged at the bottom end of each collision rod (15), and when the two collision rods (15) are close to each other, the two semicircular scrapers (23) wrap the outer wall of the bottom end of the stirring rod (8); The driving assembly comprises a second spring (17), oblique sides (18), lifting plates (19), rollers (20) and second T-shaped rods (21), each L-shaped plate (16) is connected with a collision rod (15) through the second spring (17), the second spring (17) pre-tightening force enables the collision rods (15) to be close to the stirring rods (8), the oblique sides (18) are formed in the top ends of the collision rods (15), the distance between one lower end of the horizontal height of each oblique side (18) and the axis of the stirring rod (8) is greater than the distance between one higher end of the horizontal height of each oblique side (18) and the axis of the stirring rod (8), the second T-shaped rods (21) are slidably mounted on the rotating plates (6), the second T-shaped rods (21) penetrate through the rotating plates (6), the lifting plates (19) are fixedly connected with the bottom ends of the second T-shaped rods (21), the lifting plates (19) are located between the cams (12) and the rotating plates (6), the bottoms of the lifting plates (19) are in contact with the cams (12), the two ends of the cams (12) are in contact with the cams (20), and the two lifting plates (20) are connected with the lifting plates (20) in a sliding mode when being close to the oblique sides (20) and are arranged on the lifting plates (20), so that the collision rod (15) presses the second spring (17), at this time, the collision rod (15) and the semicircular scraping plate (23) are far away from the stirring rod (8), when the cam (12) rotates away from the lifting plate (19), the lifting plate (19) descends, and at this time, the second spring (17) enables the collision rod (15) to be close to the stirring rod (8).
2. The potassium chlorate waste brine concentrating and evaporating device according to claim 1, wherein the transmission assembly comprises an inner gear ring (9), a transmission gear (10) and a bevel gear assembly, the inner gear ring (9) is fixedly arranged on the inner wall of the evaporating pot (1), the transmission gear (10) is rotatably arranged on the rotating plate (6), the transmission gear (10) is meshed with the inner gear ring (9), the bevel gear assembly is arranged in the fixed box (11), the bevel gear assembly is connected with the transmission gear (10) and the cam (12), when the rotating plate (6) rotates, the transmission gear (10) rotates under the action of the inner gear ring (9), and the transmission gear (10) drives the cam (12) to rotate through the bevel gear assembly.
3. The potassium chlorate wastewater brine concentrating and evaporating device according to claim 1, wherein the driving assembly further comprises a third spring (22), the top of the lifting plate (19) is connected with the bottom of the rotating plate (6) through the third spring (22), and the lifting plate (19) is lowered by the pretightening force of the third spring (22).
4. The potassium chlorate waste brine concentrating and evaporating device according to claim 1, wherein the roller (20) is rotatably mounted on a lifting plate (19), and the roller (20) is in rolling fit with the bevel edge (18).
5. A potassium chlorate wastewater brine concentrating and evaporating process, which is applied to a potassium chlorate wastewater brine concentrating and evaporating device as defined in any one of claims 1-4, and comprises the following steps: Step S1, firstly, closing an exhaust pipe (4) and a waste discharge pipe (5), opening a feed pipe (2), and conveying potassium chlorate waste brine into an evaporation tank (1) through the feed pipe (2); Step S2, heating the evaporation tank (1) through a heating component in the heating cavity (3), heating the temperature of the potassium chlorate waste salt to the target evaporation temperature, and simultaneously opening an exhaust pipe (4) to discharge steam; Step S3, starting a servo motor (7) to drive a rotating plate (6) to rotate, enabling a stirring rod (8) to revolve by rotating the rotating plate (6), and stirring potassium chlorate waste brine through the stirring rod (8); Step S4, when the rotating plate (6) rotates, the cam (12) is driven to rotate through the transmission assembly, when the cam (12) is close to the stirring rod (8), the cam (12) enables the stirring rod (8) and the first T-shaped rod (13) to synchronously descend, when the cam (12) rotates away from the stirring rod (8), the first T-shaped rod (13) and the stirring rod (8) synchronously ascend, at the moment, the stirring rod (8) moves upwards and slightly collides with the cam (12) to generate vibration, salt crystals generated in the evaporation process of potassium chlorate waste brine can be effectively prevented from being attached to the surface of the stirring rod (8), and the stirring rod (8) moves up and down in a reciprocating mode while doing circular motion, so that complex stirring tracks are formed, brine can be stirred more fully, and evaporation efficiency is further improved; And S5, after the evaporation is finished, opening a waste discharge pipe (5) to discharge potassium chlorate evaporation residues in the evaporation tank (1) so as to finish the whole treatment flow.

Description

Potassium chlorate waste brine concentrating and evaporating device and process Technical Field The invention relates to the technical field of potassium chlorate waste brine recovery, in particular to a potassium chlorate waste brine concentrating and evaporating device and a potassium chlorate waste brine concentrating and evaporating process. Background The key principle of the device is that the water in the waste brine is removed by evaporation, so that the salt substances such as potassium chlorate are concentrated to the target concentration, then the solid product is obtained by the subsequent separation treatment, and meanwhile, the pure condensed water is recovered to realize the water resource recycling. The applicant searches the related prior art, for example, the technical scheme of patent publication No. CN217921531U, the scheme adopts a simple intermittent kettle type evaporation concentration method, the evaporation tank is used for accommodating potassium perchlorate waste brine, an evaporation heat source is provided by a heating mechanism, meanwhile, a dynamic stirring mechanism is used for stirring in real time, after the potassium perchlorate waste brine is completely concentrated and evaporated, a switch of a discharging pipe orifice is opened, and the potassium perchlorate waste brine is discharged for recycling; However, through intensive analysis by the applicant, this prior art solution has significant drawbacks: in the later stage of concentrating and evaporating single-batch waste brine, as moisture is continuously evaporated, the concentration of salt substances such as potassium chlorate and the like is gradually increased to form crystals, a large amount of the crystals are adhered to stirring paddles in an evaporator, the stirring paddles are used as key components for maintaining uniform mixing of materials and avoiding local overheating, after a large amount of salt crystals are adhered to the surface of the stirring paddles, the stirring efficiency is obviously reduced, the material flow and the water evaporation cannot be effectively promoted, residues are formed in the subsequent discharging process, solid products adhered to the stirring paddles are difficult to thoroughly remove, the cleaning time of equipment is further increased, and the continuous operation capability and the production efficiency of the equipment are seriously restricted. Disclosure of Invention The invention aims to provide a potassium chlorate wastewater brine concentrating and evaporating device and a process for overcoming the defects of the prior art, so as to solve the technical problems in the prior art. The aim of the invention can be achieved by the following technical scheme: A potassium chlorate wastewater brine concentrating and evaporating device, comprising: the evaporation tank is communicated with a feeding pipe on the outer wall of the evaporation tank, the top of the evaporation tank is communicated with an exhaust pipe, the bottom of the evaporation tank is communicated with a waste discharge pipe, a heating cavity is formed in the outer wall of the evaporation tank, and a heating assembly is arranged in the heating cavity; The rotary plate is rotatably arranged on the top wall of the evaporation tank, a servo motor is fixedly arranged at the top of the evaporation tank, an output shaft of the servo motor is fixedly connected with a rotary shaft of the rotary plate, two first T-shaped rods are slidably arranged on the rotary plate and penetrate through the rotary plate, each first T-shaped rod is connected with the bottom of the rotary plate through a first spring, and the first T-shaped rods are enabled to ascend by the aid of the pretightening force of the first springs, and stirring rods are fixedly arranged at the bottom ends of the two first T-shaped rods; The fixed box, fixed box fixed mounting is on the rotor plate, the cam is installed in the rotation on the fixed box, the cam is located between puddler and the rotor plate, be provided with drive assembly on the fixed box, drive assembly and rotor plate and cam connection, when servo motor drive rotor plate rotated, the rotor plate drove the cam through drive assembly and rotated, and when the cam was close to the puddler, the cam made puddler and first T shape pole descend in step, and when the cam rotated the puddler, first spring made first T shape pole and puddler rise in step, and the puddler striking produced vibration on the cam this moment. The transmission assembly comprises an inner gear ring, a transmission gear and a bevel gear assembly, wherein the inner gear ring is fixedly arranged on the inner wall of the evaporation tank, the transmission gear is rotatably arranged on the rotating plate and meshed with the inner gear ring, the bevel gear assembly is arranged in the fixed box and connected with the transmission gear and the cam, and when the rotating plate rotates, the transmission gear rotates under the