Low-temperature evaporator

Abstract

The utility model discloses a low-temperature evaporator which comprises a low-temperature evaporator body, a feeding pipe, a filtering assembly and a machining assembly. Through the arrangement of the filtering assembly, when waste liquid enters the first treatment box, an oxidizing agent or a precipitating agent in the medicine storage tank is conveyed into the communicating pipe through the medicine adding pipe and mixed into the first treatment box under the impact of the waste liquid, and heavy metal ions in a complex are released and precipitated under the action of the agent; the driving motor is used for driving the transmission lead screw to rotate, the transmission lead screw rotates to drive the lead screw nut to move, the lead screw nut moves to drive the filter plate to move, sediment can be extruded, then the connecting pipe is opened, the treated waste liquid flows into the second treatment box, and finally the sediment is discharged through the slag discharging pipe, so that the complex in the waste liquid is treated. And the waste liquid entering the second treatment box is filtered and deodorized for multiple times under the arrangement of the treatment plate, so that subsequent discharge or reutilization is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field related to wastewater treatment, in particular to a low-temperature evaporator. Background Art

[0002] Low temperature evaporator is a kind of equipment used to process low boiling point solvents. It evaporates and separates pure solvent by heating the solvent to a temperature below its boiling point and contacting it with a high-efficiency heat exchange surface. Low temperature evaporator is widely used in many industries, such as chemical, pharmaceutical, food and beverage, etc. In the chemical industry, it is widely used for solvent recovery and waste liquid treatment. Through low temperature evaporator, solvent can be effectively recovered and reused, thus reducing solvent waste and environmental pollution.

[0003] The prior art has the following deficiencies: the prior art "a low-temperature evaporator" with publication number CN218491506U "comprises a shell, one end surface of the shell is connected to a feed pipe, the bottom of the shell is internally connected to a connecting pipe, the two end surfaces of the connecting pipe are respectively connected to a discharge mechanism and a circulation mechanism, the inner wall of the shell is evenly distributed with electric heating coils, and the top of the shell is connected to a cooling mechanism";

[0004] The above-mentioned equipment adopts a circulation mechanism to carry out secondary treatment of the waste liquid, but the existing waste water contains complexing agents. After it is recycled and reused by a low-temperature evaporator, the treatment effect of the remaining waste liquid is poor. The waste liquid still contains complexes. The remaining waste liquid enters the wastewater station, which will lead to excessive discharge of heavy metals in the end. Utility Model Content

[0005] The purpose of the utility model is to provide a low-temperature evaporator to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical solutions: a low-temperature evaporator, comprising a low-temperature evaporator body, a feed pipe, a filter assembly and a processing assembly, wherein the feed pipe is installed on both sides of the low-temperature evaporator body, the filter assembly is installed on one side of the low-temperature evaporator body, and the processing assembly is installed in the low-temperature evaporator body;

[0007] The filter assembly includes a No. 1 processing box, a medicine storage tank, a dosing pipe, two sets of drive motors, a transmission screw, two sets of screw nuts and a processing unit. The No. 1 processing box is installed at one end of the connecting pipe, the medicine storage tank is installed at the top of the No. 1 processing box by bolts, the dosing pipe is installed between the medicine storage tank and the connecting pipe, the two sets of the drive motors are symmetrically installed on the side wall of the No. 1 processing box by bolts, the transmission screw is installed at the output end of the drive motor, the two sets of the screw nuts are symmetrically sleeved and installed on the outside of the transmission screw, and the processing unit is installed on one side of the low-temperature evaporator body.

[0008] As a further preferred embodiment of the present technical solution, the processing part includes a filter plate, a slag discharge pipe, a connecting pipe, a No. 2 processing box, multiple groups of processing plates and a sealing plate. The filter plate is sleeved and installed on the outside of the screw nut, the slag discharge pipe is penetrated and installed on the bottom of the No. 1 processing box, the connecting pipe is installed on the side wall of the No. 1 processing box, the No. 2 processing box is installed at one end of the connecting pipe, multiple groups of processing plates are evenly distributed and installed in the No. 2 processing box, and the sealing plate is installed on the side wall of the processing plate by bolts.

[0009] As a further preferred embodiment of the present technical solution, the dosing pipe, the slag discharge pipe and the connecting pipe are all controlled by a solenoid valve, and two groups of external threads are provided on the outside of the transmission screw, and the two groups of external threads are arranged oppositely.

[0010] As a further preferred embodiment of the present technical solution, the filter plate is slidably connected to the inner wall of the No. 1 treatment box, the filter plate has a mesh structure, and multiple groups of the treatment plates are composed of activated carbon, quartz sand, and filter cotton. The sealing plate is snap-fitted to the No. 2 treatment box.

[0011] As a further preferred embodiment of the present technical solution, an inspection door is rotatably mounted on the side wall of the low-temperature evaporator body through a hinge, and a control box is mounted on the side wall of the inspection door through bolts.

[0012] As a further preferred embodiment of the present technical solution, the processing assembly includes a heating tank, a heating ring, a delivery pipe, a condenser, a drain pipe and a connecting pipe. The heating tank is installed in the low-temperature evaporator body by bolts, the heating ring is embedded in the inner wall of the heating tank, the delivery pipe is installed through the top of the heating tank, the condenser is installed at one end of the delivery pipe, the drain pipe is installed on the side wall of the condenser by bolts, and the connecting pipe is installed through the bottom of the heating tank.

[0013] As a further preferred embodiment of the present technical solution, the condenser is connected to the inner wall of the low-temperature evaporator body, the drain pipe penetrates the low-temperature evaporator body and extends to the outside, and an electric heating wire is embedded in the heating ring.

[0014] The utility model provides a low-temperature evaporator, which has the following beneficial effects:

[0015] (1) The utility model is provided with a filtering component. When the waste liquid enters the No. 1 treatment box, the electromagnetic valve corresponding to the dosing pipe is opened, and the oxidant or precipitant in the drug storage tank is sent to the connecting pipe by the dosing pipe. Under the impact of the waste liquid, they are mixed into the No. 1 treatment box, which is beneficial to the subsequent treatment of the waste liquid. The heavy metal ions in the complex are released and precipitated under the action of the agent. The driving motor is used to drive the transmission screw to rotate, and the rotation of the transmission screw drives the screw nut to move. The movement of the screw nut drives the filter plate to move, which can squeeze these precipitates. Then the connecting pipe is opened, and the treated waste liquid flows into the No. 2 treatment box. Finally, the precipitate is discharged from the slag discharge pipe, thereby realizing the treatment of the complex in the waste liquid and avoiding the excessive discharge of heavy metals at the end. The waste liquid entering the No. 2 treatment box is filtered and deodorized for many times under the setting of the treatment plate, which is beneficial to the subsequent discharge or reuse.

[0016] (2) The utility model is provided with a processing component, and under the setting of a heating ring, the wastewater can be heated to reach the boiling point and vaporize. The steam is sent to the condenser through a delivery pipe, and condensed into pure water under the action of the condenser. Finally, it is transported to the collection equipment through a drain pipe, thereby completing the recycling and reuse of the wastewater, reducing the waste of solvents and environmental pollution. The remaining waste liquid is transported to the No. 1 treatment box through a connecting pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the filter assembly of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the processing unit of the utility model;

[0020] Figure 4 This is a schematic diagram of the processing component structure of the utility model.

[0021] In the figure: 1. Low-temperature evaporator body; 2. Feed pipe; 3. Filter assembly; 4. Processing assembly; 5. No. 1 processing box; 6. Drug storage tank; 7. Dosing pipe; 8. Driving motor; 9. Transmission screw; 10. Screw nut; 11. Processing part; 12. Filter plate; 13. Slag discharge pipe; 14. Connecting pipe; 15. No. 2 processing box; 16. Processing plate; 17. Sealing plate; 18. Inspection door; 19. Control box; 20. Heating tank; 21. Heating ring; 22. Delivery pipe; 23. Condenser; 24. Drain pipe; 25. Connecting pipe. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0023] The utility model provides a technical solution: Figure 2 and Figure 3 As shown, in this embodiment, a low-temperature evaporator includes a low-temperature evaporator body 1, a feed pipe 2, a filter assembly 3 and a processing assembly 4, the feed pipe 2 is installed on both sides of the low-temperature evaporator body 1, the filter assembly 3 is installed on one side of the low-temperature evaporator body 1, and the processing assembly 4 is installed in the low-temperature evaporator body 1. The filter assembly 3 can filter the waste liquid, and the processing assembly 4 can process the waste water. The filter assembly 3 includes a No. 1 processing box 5, a drug storage tank 6, a drug adding pipe 7, two groups of drive motors 8, a transmission screw 9, two groups of screw nuts 10 and a processing part 11. The No. 1 processing box 5 is installed at one end of the connecting pipe 25, and the drug storage tank 6 is installed on the top of the No. 1 processing box 5 by bolts. The dosing tube 7 is installed between the medicine storage tank 6 and the connecting tube 25, the two groups of the driving motors 8 are symmetrically installed on the side wall of the No. 1 treatment box 5 by bolts, the transmission screw 9 is installed at the output end of the driving motor 8, and the two groups of the screw nuts 10 are symmetrically sleeved and installed on the outside of the transmission screw 9. The processing unit 11 is installed on one side of the low-temperature evaporator body 1. When the waste liquid enters the No. 1 treatment box 5, the solenoid valve corresponding to the dosing tube 7 is opened, and the oxidant or precipitant in the medicine storage tank 6 is sent to the connecting tube 25 by the dosing tube 7. Under the impact of the waste liquid, they are mixed into the No. 1 treatment box 5 together, which is beneficial to the subsequent treatment of the waste liquid. The heavy metal ions in the complex are released and precipitated under the action of the agent, and the drive motor 8 is used to drive the transmission screw. 9 rotates, the rotation of the transmission screw 9 drives the screw nut 10 to move, and the movement of the screw nut 10 drives the filter plate 12 to move, which can squeeze these sediments. The processing part 11 includes a filter plate 12, a slag discharge pipe 13, a connecting pipe 14, a second processing box 15, multiple groups of processing plates 16 and a sealing plate 17. The filter plate 12 is sleeved and installed on the outside of the screw nut 10, the slag discharge pipe 13 is installed on the bottom of the No. 1 processing box 5, the connecting pipe 14 is installed on the side wall of the No. 1 processing box 5, and the No. 2 processing box 15 is installed at one end of the connecting pipe 14. Multiple groups of processing plates 16 are evenly distributed and installed in the No. 2 processing box 15. The sealing plate 17 is installed on the side wall of the processing plate 16 by bolts. 7. The slag discharge pipe 13 and the connecting pipe 14 are both controlled by a solenoid valve. The transmission screw 9 is provided with two groups of external threads, which are arranged oppositely. The filter plate 12 is slidably connected to the inner wall of the No. 1 treatment box 5. The filter plate 12 has a mesh structure. Multiple groups of treatment plates 16 are composed of activated carbon, quartz sand, and filter cotton. The sealing plate 17 is snapped together with the No. 2 treatment box 15. The treated waste liquid flows into the No. 2 treatment box 15, and finally the precipitate is discharged from the slag discharge pipe 13, so as to realize the treatment of the complex in the waste liquid and avoid excessive discharge of heavy metals at the end. The waste liquid entering the No. 2 treatment box 15 is filtered and deodorized for multiple times under the setting of the treatment plate 16, which is conducive to subsequent discharge or reuse.

[0024] like Figure 1 and Figure 4 As shown, the processing assembly 4 includes a heating tank 20, a heating ring 21, a delivery pipe 22, a condenser 23, a drain pipe 24 and a connecting pipe 25. The heating tank 20 is installed in the low-temperature evaporator body 1 by bolts, the heating ring 21 is embedded in the inner wall of the heating tank 20, the delivery pipe 22 is installed through the top of the heating tank 20, the condenser 23 is installed at one end of the delivery pipe 22, the drain pipe 24 is installed on the side wall of the condenser 23 by bolts, the connecting pipe 25 is installed through the bottom of the heating tank 20, and the condenser 23 is connected to the bottom of the heating tank 20. The inner wall of the low-temperature evaporator body 1 is connected, and the drain pipe 24 passes through the low-temperature evaporator body 1 and extends to the outside. The heating ring 21 is embedded with an electric heating wire. Under the setting of the heating ring 21, the waste water can be heated to reach the boiling point and vaporize. The steam is sent to the condenser 23 by the delivery pipe 22. Under the action of the condenser 23, it condenses into pure water and is finally transported to the collection equipment by the drain pipe 24, completing the recycling of the waste water and reducing the waste of solvents and environmental pollution. The remaining waste liquid is transported to the No. 1 treatment box 5 by the connecting pipe 25.

[0025] The utility model provides a low-temperature evaporator, and the specific working principle is as follows:

[0026] When the low-temperature evaporator is used, waste water enters the heating tank 20 through the feed pipe 2. The processing component 4 is provided. Under the setting of the heating ring 21, the waste water can be heated to reach the boiling point and vaporize. The steam is sent to the condenser 23 through the delivery pipe 22. Under the action of the condenser 23, it condenses into pure water. Finally, it is transported to the collection equipment through the drain pipe 24, completing the recycling of the waste water and reducing the waste of solvent and environmental pollution. The remaining waste liquid is transported to the No. 1 treatment box 5 through the connecting pipe 25. Through the filter component 3, when the waste liquid enters the No. 1 treatment box 5, the electromagnetic valve corresponding to the dosing pipe 7 is opened, and the oxidant or precipitant in the storage tank 6 is sent to the connecting pipe 25 through the dosing pipe 7. Under the impact of the liquid, they are mixed into the No. 1 treatment box 5, which is beneficial to the subsequent treatment of the waste liquid. The heavy metal ions in the complex are released and precipitated under the action of the agent. The driving motor 8 is used to drive the transmission screw 9 to rotate, and the rotation of the transmission screw 9 drives the screw nut 10 to move. The movement of the screw nut 10 drives the filter plate 12 to move, which can squeeze these precipitates, and then open the connecting pipe 14, and the treated waste liquid flows into the No. 2 treatment box 15. Finally, the precipitate is discharged from the slag discharge pipe 13, so as to realize the treatment of the complex in the waste liquid and avoid excessive discharge of heavy metals at the end. The waste liquid entering the No. 2 treatment box 15 is filtered and deodorized for many times under the setting of the treatment plate 16, which is beneficial to the subsequent discharge or reuse.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A low temperature evaporator, characterized in that: The invention comprises a low-temperature evaporator body (1), a feed pipe (2), a filter assembly (3) and a processing assembly (4), wherein the feed pipe (2) is installed on both sides of the low-temperature evaporator body (1), the filter assembly (3) is installed on one side of the low-temperature evaporator body (1), and the processing assembly (4) is installed inside the low-temperature evaporator body (1); The filter assembly (3) comprises a first processing box (5), a medicine storage tank (6), a medicine adding pipe (7), two sets of drive motors (8), a transmission screw (9), two sets of screw nuts (10) and a processing unit (11); the first processing box (5) is installed at one end of the connecting pipe (25); the medicine storage tank (6) is installed at the top of the first processing box (5) by bolts; the medicine adding pipe (7) is installed between the medicine storage tank (6) and the connecting pipe (25); the two sets of the drive motors (8) are symmetrically installed on the side wall of the first processing box (5) by bolts; the transmission screw (9) is installed at the output end of the drive motor (8); the two sets of the screw nuts (10) are symmetrically sleeved and installed on the outside of the transmission screw (9); and the processing unit (11) is installed on one side of the low-temperature evaporator body (1).

2. A low temperature evaporator according to claim 1, characterized in that: The processing section (11) comprises a filter plate (12), a slag discharge pipe (13), a connecting pipe (14), a second processing box (15), a plurality of processing plates (16) and a sealing plate (17); the filter plate (12) is sleeved and installed on the outside of the screw nut (10); the slag discharge pipe (13) is installed through the bottom of the first processing box (5); the connecting pipe (14) is installed on the side wall of the first processing box (5); the second processing box (15) is installed on one end of the connecting pipe (14); a plurality of processing plates (16) are evenly distributed and installed in the second processing box (15); and the sealing plate (17) is installed on the side wall of the processing plate (16) by bolts.

3. A low temperature evaporator according to claim 1, characterized in that: The dosing pipe (7), the slag discharge pipe (13) and the connecting pipe (14) are all controlled by electromagnetic valves. The transmission screw (9) is provided with two groups of external threads on the outside, and the two groups of external threads are arranged oppositely.

4. A low temperature evaporator according to claim 2, characterized in that: The filter plate (12) is slidably connected to the inner wall of the No. 1 treatment box (5), the filter plate (12) is a mesh structure, a plurality of groups of the treatment plates (16) are composed of activated carbon, quartz sand, and filter cotton, and the sealing plate (17) is snap-fitted to the No. 2 treatment box (15) by means of a buckle.

5. A low temperature evaporator according to claim 1, characterized in that: An inspection door (18) is rotatably mounted on the side wall of the low-temperature evaporator body (1) via a hinge, and a control box (19) is mounted on the side wall of the inspection door (18) via bolts.

6. A low temperature evaporator according to claim 1, characterized in that: The processing assembly (4) comprises a heating tank (20), a heating ring (21), a delivery pipe (22), a condenser (23), a drain pipe (24) and a connecting pipe (25); the heating tank (20) is installed in the low-temperature evaporator body (1) by means of bolts; the heating ring (21) is embedded in the inner wall of the heating tank (20); the delivery pipe (22) is installed through the top of the heating tank (20); the condenser (23) is installed at one end of the delivery pipe (22); the drain pipe (24) is installed on the side wall of the condenser (23) by means of bolts; and the connecting pipe (25) is installed through the bottom of the heating tank (20).

7. A low temperature evaporator according to claim 6, characterized in that: The condenser (23) is connected to the inner wall of the low-temperature evaporator body (1), the drain pipe (24) penetrates the low-temperature evaporator body (1) and extends to the outside, and the heating ring (21) is embedded with an electric heating wire.

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