Chloroform purification device capable of reducing dangerous waste liquid discharge

Abstract

The utility model relates to a chloroform purification device capable of reducing dangerous waste liquid discharge, which belongs to the technical field of chloroform purification and comprises a purification tank, a heating and stirring mechanism is arranged on the purification tank and comprises a motor and a partition plate which are fixedly mounted in an inner cavity of the purification tank, a cross rod is fixedly mounted at the output end of the motor, and the cross rod is fixedly connected with the partition plate. An electric heating rod is fixedly mounted on the surface of the cross rod, and a hollow plate is fixedly mounted on the upper surface of the partition plate. According to the chloroform purification device capable of reducing dangerous waste liquid discharge, an air pump, an air outlet pipe and an electrical bar are arranged in the purification tank, a one-way valve is arranged on the air outlet pipe, the electrical bar can be driven by a motor to heat and stir waste liquid during use, bubbles can be generated in the waste liquid by utilizing the air pump and the air outlet pipe, and the waste liquid is purified. The contact area between the waste liquid and air can be increased, the waste liquid can be heated through an electric heating rod and an electric heating wire, and the evaporation speed of chloroform in the waste liquid can be increased.

Description

Technical Field

[0001] The utility model relates to the technical field of chloroform purification, and particularly relates to a chloroform purification device that reduces the discharge of hazardous waste liquid. Background Technique

[0002] Chloroform, with the chemical name trichloromethane, is a colorless and volatile organic compound with a special odor. It is commonly used as a solvent, refrigerant, and ingredient in drugs. However, chloroform is harmful to the human body and the environment. Long-term exposure or inhalation of high-concentration chloroform vapor may affect health. Therefore, caution is required when using and handling chloroform.

[0003] Chloroform waste liquid refers to the waste liquid containing chloroform generated in industrial production, laboratory research, or other processes. Since chloroform is harmful to human health and the environment, its waste liquid needs to be properly treated. In the prior art, chloroform is generally separated from the waste liquid by purification, which helps reduce the harm of the waste liquid and enables the recycled use of the separated chloroform. However, in the existing purification device, the waste liquid is in a static state when heated, with a limited and fixed contact area with air, resulting in a slow evaporation rate of the waste liquid and a low purification efficiency of chloroform. Content of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the utility model provides a chloroform purification device that reduces the discharge of hazardous waste liquid, which has the advantage of high purification efficiency and solves the problem that in the existing purification device, the waste liquid is in a static state when heated, with a limited and fixed contact area with air, resulting in a slow evaporation rate of the waste liquid and a low purification efficiency of chloroform.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: A chloroform purification device that reduces the discharge of hazardous waste liquid, including a purification tank, and a heating and stirring mechanism is arranged on the purification tank;

[0006] The heating and stirring mechanism includes a motor and a partition plate fixedly installed in the inner cavity of the purification tank. A cross bar is fixedly installed at the output end of the motor, and an electric heating rod is fixedly installed on the surface of the cross bar. A hollow plate is fixedly installed on the upper surface of the partition plate, an air outlet pipe is fixedly installed on the upper surface of the hollow plate, a one-way valve and an electric heating wire are fixedly installed on the surface of the air outlet pipe, an air pump is fixedly installed on the lower surface of the partition plate, a filter box and a fan are fixedly installed on the upper surface of the purification tank, and a condenser and a collection tank are fixedly installed on the side surface of the purification tank.

[0007] Further, the number of the electric heating rods is three, and the distance between adjacent two electric heating rods is equal.

[0008] Further, the number of the air outlet pipes is four, and the distances between every two adjacent air outlet pipes are equal.

[0009] Further, the number of the one-way valves is six, and every three one-way valves are symmetrically distributed on the surface of the air outlet pipe as a group.

[0010] Further, the air pump is communicated with the inner cavity of the hollow plate, the air outlet pipe is communicated with the inner cavity of the hollow plate, and an air inlet is formed in the surface of the purification tank.

[0011] Further, a first connecting pipe communicated with the filter box is fixedly installed on the surface of the purification tank, a second connecting pipe communicated with the air blower is fixedly installed on one side surface of the filter box far away from the first connecting pipe, a third connecting pipe communicated with the condenser is fixedly installed on one side surface of the air blower far away from the second connecting pipe, and the condenser is communicated with the collection tank.

[0012] Further, a liquid discharge pipe is fixedly installed at the bottom of the collection tank, and a liquid discharge valve is fixedly installed at the bottom of the liquid discharge pipe.

[0013] Further, a strip-shaped observation window is fixedly installed on the surface of the collection tank, and the strip-shaped observation window is made of a transparent material.

[0014] Further, a fixing frame is fixedly installed on the surface of the motor, and the fixing frame is fixedly connected with the upper surface of the inner cavity of the purification tank.

[0015] Further, a feed pipe is fixedly installed on the side surface of the purification tank, the inner cavity of the feed pipe is communicated with the inner cavity of the purification tank, a liquid outlet pipe is fixedly installed on the side surface of the purification tank, and a stop valve is fixedly installed at one end of the liquid outlet pipe.

[0016] Compared with the prior art, the technical solution of the present application has the following beneficial effects:

[0017] The chloroform purification device that reduces the discharge of hazardous waste liquid is provided with an air pump, an air outlet pipe and an electric heating rod in the purification tank, and a one-way valve is arranged on the air outlet pipe. When in use, the electric heating rod can be driven by the motor to heat and stir the waste liquid, and the air pump and the air outlet pipe can be used to generate bubbles in the waste liquid, which can increase the contact area between the waste liquid and the air. The electric heating rod and the electric heating wire can be used to heat the waste liquid, which is beneficial to accelerating the evaporation rate of chloroform in the waste liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 is a schematic diagram of the inside of the purification tank of the structure of the present invention;

[0020] Figure 3 is a schematic diagram of the hollow plate of the structure of the present invention.

[0021] In the figure: 1, purification tank; 2, motor; 3, partition; 4, cross bar; 5, electric heating rod; 6, hollow plate; 7, air outlet pipe; 8, check valve; 9, heating wire; 10, air pump; 11, filter box; 12, fan; 13, condenser; 14, collection tank; 15, air inlet; 16, first connecting pipe; 17, second connecting pipe; 18, third connecting pipe; 19, liquid discharge pipe; 20, liquid discharge valve; 21, strip-shaped observation window; 22, fixing bracket; 23, feed pipe; 24, liquid outlet pipe; 25, stop valve. Specific implementation mode

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0023] Embodiment 1, please refer to Figures 1 to 3 , a chloroform purification device that reduces the discharge of hazardous waste liquid in this embodiment, includes a purification tank 1. A fixing bracket 22 is fixedly installed on the surface of the motor 2, and the fixing bracket 22 is fixedly connected to the upper surface of the inner cavity of the purification tank 1. A feed pipe 23 is fixedly installed on the side surface of the purification tank 1, and the inner cavity of the feed pipe 23 is communicated with the inner cavity of the purification tank 1. The purification tank 1 is provided with a heating and stirring mechanism. The heating and stirring mechanism includes a motor 2 and a partition 3 fixedly installed in the inner cavity of the purification tank 1. A cross bar 4 is fixedly installed at the output end of the motor 2, and an electric heating rod 5 is fixedly installed on the surface of the cross bar 4. The number of the electric heating rods 5 is three, and the distance between adjacent two electric heating rods 5 is equal. The waste liquid in the purification tank 1 can be heated and stirred by the electric heating rod 5. A hollow plate 6 is fixedly installed on the upper surface of the partition 3, and an air outlet pipe 7 is fixedly installed on the upper surface of the hollow plate 6. The number of the air outlet pipes 7 is four, and the distance between adjacent two air outlet pipes 7 is equal. A check valve 8 and a heating wire 9 are fixedly installed on the surface of the air outlet pipe 7. An air pump 10 is fixedly installed on the lower surface of the partition 3. The number of the check valves 8 is six, and every three check valves 8 are symmetrically distributed on the surface of the air outlet pipe 7 as a group. The air pump 10 is communicated with the inner cavity of the hollow plate 6, and the air outlet pipe 7 is communicated with the inner cavity of the hollow plate 6. An air inlet 15 is opened on the surface of the purification tank 1, which is convenient for pumping air into the waste liquid, so that air bubbles are generated in the waste liquid, which is convenient for releasing the gas in the waste liquid.

[0024] A filter box 11 and a blower 12 are fixedly installed on the upper surface of the purification tank 1. A condenser 13 and a collection tank 14 are fixedly installed on the side surface of the purification tank 1. A first connecting pipe 16 communicating with the filter box 11 is fixedly installed on the surface of the purification tank 1. A second connecting pipe 17 communicating with the blower 12 is fixedly installed on one side surface of the filter box 11 away from the first connecting pipe 16. A third connecting pipe 18 communicating with the condenser 13 is fixedly installed on one side surface of the blower 12 away from the second connecting pipe 17. The condenser 13 communicates with the collection tank 14. A drain pipe 19 is fixedly installed at the bottom of the collection tank 14. A drain valve 20 is fixedly installed at the bottom of the drain pipe 19. A strip-shaped observation window 21 is fixedly installed on the surface of the collection tank 14, and the strip-shaped observation window 21 is made of a transparent material.

[0025] The working principle of the above embodiment is as follows:

[0026] During use, the waste liquid containing chloroform is injected into the purification tank 1 through the feed pipe 23. The waste liquid is heated by the electric heating rod 5 and the heating wire 9 so that the waste liquid reaches the boiling point of chloroform. The waste liquid is stirred by the motor 2 driving the cross bar 4 and the electric heating plate 5. Air is sent into the air outlet pipe 7 through the air pump 10, and the air in the air pipe 7 is sprayed into the waste liquid through the one-way valve 8. The contact area between the waste liquid and the air is increased by the bursting of the bubbles and the stirring of the electric heating rod 5. The evaporated chloroform is sent into the filter box 11 by the blower 12 and the first connecting pipe 16. The steam is filtered by the filter box 11 to remove impurities. The filtered steam is sent into the condenser 13 through the second connecting pipe 17 and the third connecting pipe 18. The chloroform steam is condensed into a liquid by the condenser 13, and finally the liquid falls into the collection tank 14.

[0027] Embodiment 2: On the basis of Embodiment 1, a liquid outlet pipe 24 is fixedly installed on the side surface of the purification tank 1, and a stop valve 25 is fixedly installed at one end of the liquid outlet pipe 24.

[0028] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including a..." does not exclude the existence of additional identical elements in the process, method, article or device including the element.

[0029] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A chloroform purification device for reducing the discharge of hazardous waste liquid, comprising a purification tank (1), characterized in that: The purification tank (1) is provided with a heating and stirring mechanism; The heating and stirring mechanism comprises a motor (2) and a partition (3) fixedly mounted in the inner cavity of a purification tank (1); a cross bar (4) is fixedly mounted on the output end of the motor (2); an electric heating rod (5) is fixedly mounted on the surface of the cross bar (4); a hollow plate (6) is fixedly mounted on the upper surface of the partition (3); an air outlet pipe (7) is fixedly mounted on the upper surface of the hollow plate (6); a one-way valve (8) and an electric heating wire (9) are fixedly mounted on the surface of the air outlet pipe (7); an air pump (10) is fixedly mounted on the lower surface of the partition (3); a filter box (11) and a fan (12) are fixedly mounted on the upper surface of the purification tank (1); and a condenser (13) and a collection tank (14) are fixedly mounted on the side surface of the purification tank (1).

2. A chloroform purification device according to claim 1 that reduces the discharge of hazardous waste liquid, characterized in that: The number of the electric heating rods (5) is three, and the distances between two adjacent electric heating rods (5) are equal.

3. A chloroform purification device according to claim 1 that reduces the discharge of hazardous waste liquid, characterized in that: The number of the air outlet pipes (7) is four, and the distances between two adjacent air outlet pipes (7) are equal.

4. A chloroform purification device according to claim 1 that reduces the discharge of hazardous waste liquid, characterized in that: The number of the one-way valves (8) is six, and each group of three one-way valves (8) is symmetrically distributed on the surface of the air outlet pipe (7).

5. A chloroform purification device according to claim 1 that reduces the discharge of hazardous waste liquid, characterized in that: The air pump (10) is in communication with the inner cavity of the hollow plate (6), the air outlet pipe (7) is in communication with the inner cavity of the hollow plate (6), and an air inlet (15) is provided on the surface of the purification tank (1).

6. A chloroform purification device for reducing the discharge of hazardous waste liquid according to claim 1, characterized in that: A first connecting pipe (16) connected to the filter box (11) is fixedly mounted on the surface of the purification tank (1); a second connecting pipe (17) connected to the fan (12) is fixedly mounted on the surface of the filter box (11) on a side away from the first connecting pipe (16); a third connecting pipe (18) connected to the condenser (13) is fixedly mounted on the surface of the fan (12) on a side away from the second connecting pipe (17); and the condenser (13) is connected to the collection tank (14).

7. A chloroform purification device for reducing the discharge of hazardous waste liquid according to claim 1, characterized in that: A liquid discharge pipe (19) is fixedly mounted on the bottom of the collection tank (14), and a liquid discharge valve (20) is fixedly mounted on the bottom of the liquid discharge pipe (19).

8. A chloroform purification device for reducing the discharge of hazardous waste liquid according to claim 1, characterized in that: A strip-shaped observation window (21) is fixedly mounted on the surface of the collection tank (14), and the strip-shaped observation window (21) is made of a transparent material.

9. A chloroform purification device for reducing the discharge of hazardous waste liquid according to claim 1, characterized in that: A fixing frame (22) is fixedly mounted on the surface of the motor (2), and the fixing frame (22) is fixedly connected to the upper surface of the inner cavity of the purification tank (1).

10. A chloroform purification device for reducing the discharge of hazardous waste liquid according to claim 1, characterized in that: A feed pipe (23) is fixedly mounted on the side surface of the purification tank (1), the inner cavity of the feed pipe (23) is connected to the inner cavity of the purification tank (1), and a liquid outlet pipe (24) is fixedly mounted on the side surface of the purification tank (1), and a stop valve (25) is fixedly mounted on one end of the liquid outlet pipe (24).

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