TMAH concentration device

Abstract

The utility model discloses a TMAH concentration device, which relates to the technical field of TMAH recovery, and comprises a concentration tank body, a liquid discharge valve arranged at the bottom end of the concentration tank body, a spraying mechanism arranged right above the concentration tank body, and a cooling mechanism arranged on the outer side of the concentration tank body, and the cooling mechanism is used for condensing the heated water vapor and recovering heat in the heating process, so that heat recovery is increased, and resources are saved. On one hand, the motor drives the spiral blade to rotate quickly, so that the flow rate of liquid is increased, and on the other hand, the arc-shaped spraying pipe arranged below is used for spraying the liquid, so that the liquid is easier to vaporize and evaporate, and the evaporation and concentration efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of TMAH recovery, in particular to a TMAH concentration device. Background Art

[0002] Tetramethylammonium hydroxide is a strong alkaline chemical substance that is very easy to absorb moisture and has a certain ammonia smell. It can quickly absorb carbon dioxide in the air to form carbonates as organic strong bases with strong corrosiveness. Ordinary biochemical treatment is prone to cause environmental burdens such as eutrophication pollution, so the cost of waste liquid treatment is high.

[0003] TMAH concentration requires the reduction of residual water content in the liquid by heating. During the heating process, the water vapor generated needs to be condensed. When the tank is heating the liquid, the high temperature of the outer shell will cause discomfort to the staff and even burns. In addition, simple liquid heating will increase the time required for the vaporization of water in the liquid and increase the time required for the concentration of the device. Summary of the invention

[0004] The purpose of the utility model is to provide a TMAH concentration device to solve the above-mentioned defects caused by the prior art.

[0005] A TMAH concentration device comprises a concentration tank body, a drain valve is arranged at the bottom of the concentration tank body, a spray mechanism is arranged directly above the concentration tank body, during the process of the spray mechanism spraying high-concentration organic wastewater, the spray liquid is subjected to high-temperature treatment, and the water in the waste liquid is heated and vaporized, a cooling mechanism is arranged on the outer side of the concentration tank body, the cooling mechanism condenses the heated water vapor and recovers the heat in the heating process, thereby increasing heat recovery and resource conservation.

[0006] Preferably, the spray mechanism includes a storage tank body, an arc-shaped spray pipe, a motor, a driving shaft and spiral blades. The storage tank body is arranged directly above the concentration tank body, and an arc-shaped spray pipe is symmetrically arranged at the bottom end of the storage tank body. The motor is arranged directly above the storage tank body, and the output end of the motor is connected to the driving shaft. The outer side of the driving shaft is connected to the spiral blade, and the spiral blade is arranged inside the storage tank body. The driving shaft is arranged through and below the storage tank body.

[0007] Preferably, the motor is connected to the mixing blades via a driving shaft connected to the output end.

[0008] Preferably, the cooling mechanism includes a steam pipe, a water-cooled tank body, mixing blades, a vacuum pump and an electric heating plate. The steam pipe is arranged through one side of the concentration tank body, a part of the steam pipe is connected to the water-cooled tank body, the other end of the steam pipe is connected to the output end of the vacuum pump, the input end of the vacuum pump is connected to the inside of the concentration tank body, the electric heating plates are symmetrically arranged in the internal interlayer of the concentration tank body, and the mixing blades are arranged inside the storage tank body.

[0009] Preferably, the concentration tank body is connected to the steam pipe through a water-cooled tank body arranged outside.

[0010] Preferably, a liquid inlet pipe is connected through the bottom end of the water-cooling tank body.

[0011] Compared with the prior art, the utility model has the following advantages:

[0012] 1. On the one hand, the motor drives the spiral blades to rotate rapidly, thereby accelerating the flow rate of the liquid. On the other hand, the liquid is sprayed through the arc-shaped spray pipe arranged below, making the liquid easier to vaporize and evaporate, thereby improving the efficiency of evaporation and concentration.

[0013] 2. After the liquid is vaporized and concentrated, the steam is directly guided out of the outside of the concentration tank and cooled by a water-cooled tank wrapped around the outside, so that the liquid is discharged after the water vapor is condensed, and the mixing speed of the liquid is accelerated by the mixing blades arranged below, thus shortening the time required for liquid concentration. The interior of the storage tank is cooled by the water-cooled tank to cool the concentrated liquid and improve the efficiency of discharging and storing the concentrated liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model.

[0015] Figure 2 It is a schematic diagram of the front section structure of the concentration tank in the utility model.

[0016] Figure 3 It is a schematic diagram of the front section structure of the material storage tank body in the utility model.

[0017] Figure 4 It is a schematic diagram of the side structure of the concentration tank in the utility model.

[0018] in:

[0019] 1. Concentration tank; 2. Storage tank; 3. Steam pipes; 4. Spraying mechanism; 5. Cooling mechanism; 6. Water-cooled tank; 7. Drain valve; 8. Liquid inlet pipe; 9. Arc spray pipe; 10. Motor; 11. Driving shaft; 12. Mixing blades; 13. Vacuum pump; 14. Electric heating plate; 15. Spiral blades. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0021] like Figures 1 to 4 As shown, a TMAH concentration device comprises a concentration tank body 1, a drain valve 7 is arranged at the bottom end of the concentration tank body 1, a spray mechanism 4 is arranged directly above the concentration tank body 1, and during the process of the spray mechanism 4 spraying high-concentration organic wastewater, the spraying liquid is subjected to high-temperature treatment, and the water in the waste liquid is heated and vaporized, and a cooling mechanism 5 is arranged on the outer side of the concentration tank body 1, and the cooling mechanism 5 condenses the heated water vapor and recovers the heat in the heating process, thereby increasing heat recovery and resource conservation.

[0022] In this embodiment, the spray mechanism 4 includes a storage tank body 2, an arc-shaped spray pipe 9, a motor 10, a driving shaft 11 and a spiral blade 15. The storage tank body 2 is arranged directly above the concentration tank body 1, and the bottom end of the storage tank body 2 is symmetrically provided with an arc-shaped spray pipe 9. The motor 10 is arranged directly above the storage tank body 2, and the output end of the motor 10 is connected to the driving shaft 11. The outer side of the driving shaft 11 is connected to the spiral blade 15. The spiral blade 15 is arranged inside the storage tank body 2, and the driving shaft 11 is arranged through and below the storage tank body 2.

[0023] In this embodiment, the motor 10 is connected to the mixing blades 12 via the driving shaft 11 connected to the output end, and the liquid is circulated and mixed through the mixing blades 12 to increase the speed of heating and concentrating the liquid.

[0024] In this embodiment, the cooling mechanism 5 includes a steam pipe 3, a water-cooled tank body 6, a mixing blade 12, a vacuum pump 13 and an electric heating plate 14. The steam pipe 3 is arranged to penetrate one side of the concentration tank body 1. A part of the steam pipe 3 is connected to the water-cooled tank body 6. The other end of the steam pipe 3 is connected to the output end of the vacuum pump 13. The input end of the vacuum pump 13 is connected to the inside of the concentration tank body 1. The electric heating plate 14 is symmetrically arranged in the internal interlayer of the concentration tank body 1. The mixing blade 12 is arranged in the inside of the concentration tank body 1. The inside of the concentration tank body 1 is heated by the electric heating plate 14 to concentrate the liquid.

[0025] In this embodiment, the concentration tank body 1 is connected to the steam pipe 3 through the water-cooling tank body 6 arranged outside, and the water in the concentration process is discharged through the steam pipe 3.

[0026] In this embodiment, a liquid inlet pipe 8 is connected through the bottom end of the water-cooled tank body 6, and the amount of cooling water injected is controlled by the liquid inlet pipe 8 to cool the water vapor and the concentrated liquid.

[0027] In practical application, this TMAH concentration device includes the following work contents:

[0028] Step 1: The operator first heats the electric heating plate 14 inside the concentration tank 1, uses the electric heating plate 14 to increase the temperature of the concentration tank 1, and injects tetramethylammonium hydroxide liquid into the storage tank 2, and turns on the motor 10 to drive the spiral blade 15 to rotate, thereby accelerating the flow rate of the liquid, and then directly sprays the liquid into the concentration tank 1 through the arc-shaped spray pipe 9 arranged below;

[0029] Step 2: When the interior of the concentration tank 1 is heated by the electric heating plate 14, the water in the liquid is vaporized, and cold water is injected into the water-cooled tank 6. By turning on the vacuum pump 13, the high-temperature steam in the concentration tank 1 is pumped into the steam pipe 3 by the vacuum pump 13, and the surface of the steam pipe 3 is cooled by the water-cooled tank 6, so that the steam is condensed and discharged;

[0030] Step 3: In the process of spraying the liquid, the motor 10 drives the driving shaft 11 to rotate, and the driving shaft 11 drives the mixing blade 12 to rotate, and the mixing blade 12 mixes the liquid below, and then concentrates the remaining liquid. When a batch of tetramethylammonium hydroxide liquid is concentrated;

[0031] Step 4: The operator first turns off the electric heating plate 14 and accelerates the speed of liquid injection into the liquid inlet pipe 8. The concentrated liquid inside the concentration tank 1 is cooled by the circulating liquid. The drain valve 7 is then opened to discharge the liquid from the concentration tank 1. At the same time, the mixing blades 12 are used to accelerate the flow rate of the liquid to reduce the residual amount of the concentrated liquid.

[0032] Therefore, the embodiments disclosed above are only illustrative in all aspects and are not exclusive. All changes within the scope of the present invention or within the scope equivalent to the present invention are included in the present invention.

Claims

1. A TMAH concentration device, characterized in that: The invention comprises a concentration tank body (1), a drain valve (7) arranged at the bottom end of the concentration tank body (1), a spray mechanism (4) arranged directly above the concentration tank body (1), and a cooling mechanism (5) arranged on the outside of the concentration tank body (1). The cooling mechanism (5) condenses the heated water vapor and recovers the heat in the heating process, thereby increasing heat recovery and resource conservation.

2. A TMAH concentration device according to claim 1, characterized in that: The spray mechanism (4) comprises a material storage tank body (2), an arc-shaped spray pipe (9), a motor (10), a driving shaft (11) and a spiral blade (15); the material storage tank body (2) is arranged directly above the concentration tank body (1); the bottom end of the material storage tank body (2) is symmetrically provided with an arc-shaped spray pipe (9); the motor (10) is arranged directly above the material storage tank body (2); the output end of the motor (10) is connected to the driving shaft (11); the outer side of the driving shaft (11) is connected to the spiral blade (15); the spiral blade (15) is arranged inside the material storage tank body (2); and the driving shaft (11) is arranged through the bottom of the material storage tank body (2).

3. A TMAH concentration device according to claim 2, characterized in that: The motor (10) is connected to the mixing blade (12) via a driving shaft (11) connected to the output end.

4. A TMAH concentration device according to claim 1, characterized in that: The cooling mechanism (5) comprises a steam pipe (3), a water-cooled tank body (6), a mixing blade (12), a vacuum pump (13) and an electric heating plate (14); the steam pipe (3) is arranged through one side of the concentration tank body (1); a part of the steam pipe (3) is connected through the water-cooled tank body (6); the other end of the steam pipe (3) is connected to the output end of the vacuum pump (13); the input end of the vacuum pump (13) is connected to the inside of the concentration tank body (1); the electric heating plate (14) is symmetrically arranged in the inner interlayer of the concentration tank body (1); and the mixing blade (12) is arranged inside the concentration tank body (1).

5. A TMAH concentration device according to claim 4, characterized in that: The concentration tank body (1) is connected to the steam pipe member (3) via a water-cooling tank body (6) arranged outside.

6. A TMAH concentration device according to claim 4, characterized in that: A liquid inlet pipe (8) is connected through the bottom end of the water-cooling tank body (6).

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