Intelligent circulating discharging evaporator

Abstract

The utility model discloses an intelligent circulating discharge evaporator which comprises an evaporation tank and a concentration tank, the upper part of the evaporation tank is provided with a feed pipe and a steam outlet pipe, the lower part of the evaporation tank is provided with a steam inlet pipe, the upper part of the concentration tank is provided with a waste gas pipe, the lower part of the concentration tank is provided with a discharge pipe, the upper parts of the evaporation tank and the concentration tank are communicated through an upper circulating pipe, and the lower parts of the evaporation tank and the concentration tank are communicated through a lower circulating pipe. The device is characterized in that a first motor is arranged at the upper end of the concentration tank, a rotating shaft of the first motor is connected with a stirring shaft inserted into the concentration tank, a plurality of groups of stirring rods are arranged at the lower part of the stirring shaft, a control box is arranged on the concentration tank, and a PLC (Programmable Logic Controller) and a power supply which are connected with each other are arranged in the control box; density sensors are arranged in the middle and at the bottom of the inner wall of the concentration tank, wires of the density sensors penetrate out of the concentration tank and are connected with a PLC, the PLC is provided with a communication module, the communication module transmits the signals of the density sensors to a management system, and the first motor is connected with the PLC through a first wire. According to the intelligent circulating discharging evaporator, the first motor is driven to drive the stirring shaft and the stirring rod to rotate in the concentration tank, and feed liquid in the concentration tank is stirred, so that the feed liquid is mixed more uniformly, layering of the feed liquid is avoided, and the working efficiency is improved; the two density sensors can respectively convert the densities of the middle part and the bottom part of the concentration tank into signals and transmit the signals to the management system through the communication module, so that a worker can clearly and conveniently know the density of the feed liquid and decide whether to start the first motor to stir or discharge, the labor intensity is reduced, and the device is more intelligent.

Description

Technical Field

[0001] The utility model relates to the technical field of concentration equipment, in particular to an intelligent circulating discharging evaporator. Background Art

[0002] Existing circulating evaporators generally include an evaporation tank and a concentration tank. The upper part of the evaporation tank is provided with a feed pipe and a steam outlet pipe, and the lower part is provided with a steam inlet pipe. The upper part of the concentration tank is provided with an exhaust pipe, and the lower part is provided with a discharge pipe. The upper parts of the evaporation tank and the concentration tank are connected through an upper circulation pipe, and the lower parts are connected through a lower circulation pipe. Circulation pumps are arranged on both the upper circulation pipe and the lower circulation pipe, and a discharge pump is arranged on the discharge pipe. During operation, the liquid material circulates and evaporates and concentrates continuously in the evaporation tank and the concentration tank. After the liquid material meets the standard, it is discharged through the discharge pipe. In the circulation process of this kind of circulating evaporator, the liquid material is not mixed sufficiently in the concentration tank, resulting in a density difference in the liquid material, which is easy to stratify. The liquid material with a large density is easy to gradually deposit at the bottom of the concentration tank, affecting the evaporation and concentration work, and it is difficult to control the product quality. In addition, during the evaporation and concentration process, the staff needs to observe regularly to judge whether the concentrated liquid meets the standard, which is very dependent on experienced staff, with high labor intensity and lack of intelligence. Summary of the Invention

[0003] In view of the deficiencies of the background art, the technical problem to be solved by the utility model is to provide an intelligent circulating discharging evaporator that can avoid liquid material stratification and is more intelligent.

[0004] To this end, the utility model is implemented by adopting the following technical solutions:

[0005] An intelligent circulating discharging evaporator, including an evaporation tank and a concentration tank. The upper part of the evaporation tank is provided with a feed pipe and a steam outlet pipe, and the lower part is provided with a steam inlet pipe. The upper part of the concentration tank is provided with an exhaust pipe, and the lower part is provided with a discharge pipe. The upper parts of the evaporation tank and the concentration tank are connected through an upper circulation pipe, and the lower parts are connected through a lower circulation pipe. Circulation pumps are arranged on both the upper circulation pipe and the lower circulation pipe, and a discharge pump is arranged on the discharge pipe. Its characteristics are: a first motor is arranged at the upper end of the concentration tank, the rotating shaft of the first motor is connected with a stirring shaft inserted into the concentration tank, and multiple groups of stirring rods are arranged at the lower part of the stirring shaft. A control box is arranged on the concentration tank, and a PLC and a power supply connected to each other are arranged inside the control box. Density sensors are arranged in the middle and at the bottom of the inner wall of the concentration tank, and the wires of the density sensors pass through the concentration tank and are connected to the PLC. The PLC is equipped with a communication module, and the communication module transmits the data of the density sensors to the management system. The first motor is connected to the PLC through a first wire.

[0006] Further, a scraping plate abutted against the inner wall of the concentration tank is arranged at the outer end of the stirring rod. The first motor and the stirring shaft can move up and down, and a guide sleeve for the stirring shaft to move up and down is arranged at the upper end of the concentration tank.

[0007] Furthermore, a support is provided at the upper end of the concentration tank behind the first motor. A second motor is provided on the support. A turntable is provided at the front end of the rotating shaft of the second motor. An arc-shaped convex block is provided in the middle of the turntable, and a circular convex block is provided on the outer circle. A vertical plate is fixedly connected to the rear side of the first motor. A plurality of arc-shaped notches for the arc-shaped convex block to be placed and move are provided at the right end of the vertical plate, and a plurality of horizontal bar notches for the circular convex block to be placed and move are provided. The arc-shaped notches and the horizontal bar notches are arranged at intervals. The second motor is connected to the PLC through a second wire.

[0008] Furthermore, a support is provided at the upper end of the concentration tank behind the first motor. A third motor is provided at the rear side of the support. A first gear is sleeved on the rotating shaft of the third motor. Second gears meshing with the first gear are provided on the support on the left and right sides of the first gear. A cable winding disc is provided at the outer end of the second gear above the first motor. A cable is wound around the cable winding disc. A cable fixing ring is provided at the upper end of the first motor. The third motor is connected to the PLC through a third wire.

[0009] Furthermore, the communication module is a ZigBee chip.

[0010] Furthermore, a plurality of sealing rings abutting against the stirring shaft are provided inside the guide sleeve.

[0011] After adopting the above technical solution, driving the first motor can drive the stirring shaft and the stirring rod to rotate in the concentration tank, stir the liquid in the concentration tank, make the liquid mix more evenly, avoid liquid stratification, improve work efficiency. The two density sensors can respectively convert the densities in the middle and at the bottom of the concentration tank into signals and transmit them to the management system through the communication module, enabling the staff to clearly and conveniently know the liquid density, so as to decide whether to start the first motor for stirring work or whether to discharge the material, reducing the labor intensity and being more intelligent. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The present utility model has the following drawings:

[0013] Figure 1 It is a schematic structural diagram of the present utility model (the first embodiment of the up and down movement structure of the first motor);

[0014] Figure 2 is Figure 1 the internal structural schematic diagram of the concentration tank in (after the first motor moves upward);

[0015] Figure 3 It is the internal structural schematic diagram of the concentration tank in the present utility model (the second embodiment of the up and down movement structure of the first motor);

[0016] Figure 4 It is the connection block diagram of the PLC and other components in the present utility model.

[0017] Reference numerals: 1, evaporation tank; 2, concentration tank; 3, feed pipe; 4, steam outlet pipe; 5, steam inlet pipe; 6, exhaust pipe; 7, discharge pipe; 8, upper circulation pipe; 9, lower circulation pipe; 10, circulation pump; 11, discharge pump; 12, first motor; 13, stirring shaft; 14, stirring rod; 15, control box; 16, PLC; 17, power supply; 18, density sensor; 19, wire; 20, management system; 21, first wire; 22, scraper; 23, guide sleeve; 24, ZigBee chip; 25, sealing ring; 26, support; 27, second motor; 28, turntable; 29, arc bump; 30, circular bump; 31, vertical plate; 32, arc notch; 33, horizontal bar notch; 34, second wire; 35, bracket; 36, first gear; 37, second gear; 38, cable reel; 39, cable; 40, pull ring; 41, third wire; 42, third motor. Detailed implementation manners

[0018] To further elaborate on the technical means and effects adopted by the present utility model to achieve the predetermined utility model purpose, the following, in conjunction with the accompanying drawings and preferred embodiments, details the specific implementation manners, structures, features and their effects of the present utility model as follows.

[0019] Referring to the above-mentioned accompanying drawings, the intelligent circulating discharge evaporator provided by the present utility model includes an evaporation tank 1 and a concentration tank 2. The upper part of the evaporation tank 1 is provided with a feed pipe 3 and a steam outlet pipe 4, and the lower part is provided with a steam inlet pipe 5. The upper part of the concentration tank 2 is provided with an exhaust pipe 6, and the lower part is provided with a discharge pipe 7. The upper parts of the evaporation tank 1 and the concentration tank 2 are connected through an upper circulation pipe 8, and the lower parts are connected through a lower circulation pipe 9. Circulation pumps 10 are provided on both the upper circulation pipe 8 and the lower circulation pipe 9, and a discharge pump 11 is provided on the discharge pipe 7. It is characterized in that: a first motor 12 is provided at the upper end of the concentration tank 2, the rotating shaft of the first motor 12 is connected with a stirring shaft 13 inserted into the concentration tank 2, and a plurality of groups of stirring rods 14 are provided at the lower part of the stirring shaft 13. A control box 15 is provided on the concentration tank 2, and a PLC 16 and a power supply 17 which are connected to each other are provided in the control box 15. Density sensors 18 are provided in the middle and at the bottom of the inner wall of the concentration tank 2. The wires 19 of the density sensors 18 pass through the concentration tank 2 and are connected to the PLC 16. The PLC 16 is equipped with a communication module, and the communication module transmits the data of the density sensors 18 to the management system 20. The first motor 12 is connected to the PLC 16 through a first wire 21. A scraper 22 which abuts against the inner wall of the concentration tank 2 is provided at the outer end of the stirring rod 14. The first motor 12 and the stirring shaft 13 can move up and down. A guide sleeve 23 for the stirring shaft 13 to move up and down is provided at the upper end of the concentration tank 2. The communication module is a ZigBee chip 24, and a plurality of sealing rings 25 which abut against the stirring shaft 13 are provided in the guide sleeve 23.

[0020] In this embodiment, driving the first motor 12 can drive the stirring shaft 13 and the stirring rod 14 to rotate in the concentration tank 2, stir the liquid material in the concentration tank 2, make the liquid material mix more evenly, avoid liquid material stratification, improve work efficiency. The two density sensors 18 can respectively convert the densities in the middle and bottom of the concentration tank 2 into signals and transmit them to the management system 20 through the communication module, enabling the staff to clearly and conveniently know the density of the liquid material, so as to decide whether to start the first motor 12 for stirring work or whether to discharge the material, reducing the labor intensity and being more intelligent; when the rotating shaft rotates, the scraper 22 can scrape off the liquid material deposited on the inner wall of the concentration tank 2, avoiding excessive accumulation of the liquid material on the inner wall of the concentration tank 2, and the scraper 22 can also play a role in scraping the wall during the cleaning work, with strong applicability; the first motor 12 and the stirring shaft 13 can move up and down, driving the stirring rod 14 and the scraper 22 to move up and down in the concentration tank 2, further enhancing the stirring work of the liquid material in the concentration tank 2, making the liquid material stirred more evenly, preventing the occurrence of liquid material stratification, and at the same time the scraper 22 can scrape the inner wall of the concentration tank 2 at a higher position; the setting of the guide sleeve 23 can prevent the rotating shaft from deflecting when moving up and down; the ZigBee chip 24 can not only connect to the Internet, but also has the characteristic of low power consumption; the setting of the sealing ring 25 makes the sealing between the guide sleeve 23 and the rotating shaft better.

[0021] Refer to Figure 1-2 As shown, it is the first embodiment of the up-and-down movement structure of the first motor 12 in the present utility model. A support 26 is provided at the upper end of the concentration tank 2 behind the first motor 12. A second motor 27 is provided on the support 26. A turntable 28 is provided at the front end of the rotating shaft of the second motor 27. An arc convex block 29 is provided in the middle of the turntable 28, and a circular convex block 30 is provided on the outer circle. A vertical plate 31 is fixedly connected to the rear side of the first motor 12. A plurality of arc notches 32 for the arc convex block 29 to be placed and move are provided at the right end of the vertical plate 31, and a plurality of horizontal bar notches 33 for the circular convex block 30 to be placed and move are provided. The arc notches 32 and the horizontal bar notches 33 are arranged at intervals. The second motor 27 is connected to the PLC 16 through a second wire 34.

[0022] In this embodiment, the PLC 16 can control the second motor 27 to rotate forward. The rotating shaft of the second motor 27 drives the turntable 28, the arc convex block 29 and the circular convex block 30 to rotate. Through the cooperation of the arc convex block 29 and the arc notch 32, and the cooperation of the circular convex block 30 and the horizontal bar notch 33, every time the turntable 28 rotates one circle, the vertical plate 31, the first motor 12, the stirring shaft 13, the stirring rod 14 and the scraper 22 will be lifted upward once. When the second motor 27 rotates reversely, it drives the vertical plate 31 and other structures to move downward, so as to realize the up-and-down movement of the vertical plate 31 and other structures.

[0023] Refer to Figure 3As shown, this is the second embodiment of the up-and-down movement structure of the first motor 12 in the present utility model. A bracket 35 is provided at the upper end of the concentration tank 2 and behind the first motor 12. A third motor 42 is provided at the rear side of the bracket 35. A first gear 36 is sleeved on the rotating shaft of the third motor 42. Second gears 37 meshing with the first gear 36 are provided on the bracket 35 on the left and right sides of the first gear 36. The diameter of the second gear 37 is larger than that of the first gear 36. A cable reel 38 is provided at the outer end of the second gear 37 and above the first motor 12. A cable 39 is wound around the cable reel 38. A cable loop 40 for fixing the cable 39 is provided at the upper end of the first motor 12. The third motor 42 is connected to the PLC 16 through a third wire 41.

[0024] In this embodiment, the third motor 42 can be controlled to rotate forward by the PLC 16. The rotating shaft of the third motor 42 drives the first gear 36 to rotate. The first gear 36 drives the two second gears 37 to rotate in reverse, gradually winding the cable 39 around the cable reel 38. At the same time, the cable 39 cooperates with the cable loop 40 to lift the first motor 12, the stirring shaft 13, the stirring rod 14, and the scraper 22 upward. When the third motor 42 rotates in reverse, it drives structures such as the vertical plate 31 to move downward, so as to realize the up-and-down movement of structures such as the vertical plate 31.

[0025] The above is only a preferred embodiment of the present utility model and does not impose any form of limitation on the present utility model. Although the present utility model has been disclosed as above with a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some changes or modifications to it as equivalent embodiments with equivalent changes within the scope of the technical solution of the present utility model. However, as long as it does not depart from the content of the technical solution of the present utility model, any brief modifications, equivalent changes, and modifications made to the above embodiments according to the technical essence of the present utility model still fall within the scope of the technical solution of the present utility model.

Claims

1. An intelligent circulating discharge evaporator, comprising an evaporation tank and a concentration tank, wherein the evaporation tank is provided with a feed pipe and a steam outlet pipe at the upper part and a steam feed pipe at the lower part, and the concentration tank is provided with an exhaust pipe at the upper part and a discharge pipe at the lower part. The evaporation tank and the concentration tank are connected at the upper part through an upper circulation pipe and at the lower part through a lower circulation pipe. The upper circulation pipe and the lower circulation pipe are both provided with circulation pumps, and the discharge pipe is provided with a discharge pump, wherein the characteristics are as follows: A first motor is provided at the upper end of the concentrating tank, and a rotating shaft of the first motor is connected to a stirring shaft inserted into the concentrating tank. A plurality of stirring rods are provided at the lower part of the stirring shaft. A control box is provided on the concentrating tank, and a PLC and a power supply connected to each other are provided in the control box. Density sensors are provided at the middle and bottom of the inner wall of the concentrating tank. The wires of the density sensor pass through the concentrating tank and are connected to the PLC. The PLC is equipped with a communication module, and the communication module transmits the data of the density sensor to the management system. The first motor is connected to the PLC via a first wire.

2. The intelligent circulating discharging evaporator according to claim 1 is characterized in that: The outer end of the stirring rod is provided with a scraper abutting against the inner wall of the concentration tank. The first motor and the stirring shaft can move up and down. The upper end of the concentration tank is provided with a guide sleeve for accommodating the stirring shaft to move up and down.

3. The intelligent circulating discharging evaporator according to claim 2 is characterized in that: The upper end of the concentration tank is provided with a support located behind the first motor, and the support is provided with a second motor. A turntable is provided at the front end of the rotating shaft of the second motor, and an arc protrusion is provided in the middle of the turntable and a circular protrusion is provided on the outer circle. A vertical plate is fixedly connected to the rear side of the first motor, and a plurality of arc notches for accommodating the arc protrusions to be placed and moved and a plurality of horizontal bar notches for accommodating the circular protrusions to be placed and moved are provided at the right end of the vertical plate. The arc notches and the horizontal bar notches are arranged at intervals, and the second motor is connected to the PLC through a second wire.

4. The intelligent circulating discharging evaporator according to claim 2 is characterized in that: A bracket located behind the first motor is provided at the upper end of the concentration tank, a third motor is provided at the rear side of the bracket, a first gear is provided on the rotating shaft sleeve of the third motor, second gears meshing with the first gear are provided on the brackets on the left and right sides of the first gear, a cable winding disk located above the first motor is provided at the outer end of the second gear, a cable is wound around the cable winding disk, a pull ring for fixing the cable is provided at the upper end of the first motor, and the third motor is connected to the PLC through a third wire.

5. The intelligent circulating discharging evaporator according to claim 3 or 4 is characterized in that: The communication module is a ZigBee chip.

6. The intelligent circulating discharging evaporator according to claim 3 or 4 is characterized in that: A plurality of sealing rings abutting against the stirring shaft are arranged in the guide sleeve.

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