Laboratory wastewater treatment device

Abstract

The utility model relates to the technical field of wastewater treatment, and discloses a laboratory wastewater treatment device which comprises a wastewater tank, a waste liquid neutralization mechanism is fixedly mounted at the top of the wastewater tank, and the waste liquid neutralization mechanism comprises a neutralization tank, a closed cover plate, a turnover motor, a turnover shaft, a turnover plate and a closed rubber strip. According to the laboratory wastewater treatment device, laboratory wastewater is classified and poured into the neutralization box respectively, then respective neutralization solutions are poured into the neutralization box, the neutralization box is covered with the closed cover plate, the waste liquid and the neutralization solutions react, and the neutralization solution is separated from the neutralization box. The generated gas enters the gas filter box through the gas connecting pipe, the gas firstly passes through the moisture absorbent to absorb liquid in the gas, then passes through the activated carbon to remove harmful substances in the gas, finally passes through the filter cotton to adsorb residual particles in the gas, and finally is discharged from the gas filter box.

Description

Technical Field

[0001] The utility model relates to the technical field of wastewater treatment, in particular to a laboratory wastewater treatment device. Background Art

[0002] With the development of science and technology in China, the demand for laboratories is increasing, especially in the past decade or so, the number of laboratories of various types has been increasing. From the distribution of laboratories, they are mainly concentrated in secondary and higher education institutions, scientific research institutes, medical institutions, biopharmaceuticals, disease control, environmental monitoring, product quality inspection, drug inspection, blood stations, animal husbandry, hospitals, enterprises and other industries. They are scattered in different regions, and the amount of wastewater discharged is not large, so their pollution is easy to be ignored.

[0003] Patent No. CN210215016U: A laboratory wastewater treatment device, including a neutralization chamber and a sedimentation chamber separated by a main partition, and an inlet pipe and an intermediate water pipe installed in the neutralization chamber, the intermediate water pipe includes a first connecting pipe and a second connecting pipe, a first mounting hole for installing the second connecting pipe is opened on the main partition, the inlet pipe includes a third connecting pipe and a fourth connecting pipe, a second mounting hole for installing the fourth connecting pipe is opened on the side of the neutralization chamber away from the main partition, a first partition is arranged near the inlet pipe in the neutralization chamber, a second partition and a third partition are arranged in the sedimentation chamber, the third partition is near the water outlet of the sedimentation chamber, its lower end is close to the bottom of the sedimentation chamber, a sewage outlet is arranged at the bottom of the sedimentation chamber or one side of the sedimentation chamber, and a cleaning port is arranged at the upper end of the neutralization chamber and the sedimentation chamber. The utility model can make laboratory wastewater fully react and precipitate, and can clean up the solid suspended matter and sediment in the neutralization chamber and the sedimentation chamber in time to prevent clogging of the sewer pipe.

[0004] This patent can precipitate impurities and remove floating flocs in wastewater, but the wastewater in the laboratory is piled up in a centralized manner. However, chemical reactions may occur between the wastewater in the laboratory, resulting in problems such as waste gas or liquid boiling. Therefore, a wastewater treatment equipment is needed that can first neutralize the wastewater and purify the gas. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the above-mentioned shortcomings of the prior art, the utility model provides a laboratory wastewater treatment device, which can effectively solve the problems of the prior art.

[0007] (II) Technical solution

[0008] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0009] The utility model discloses a laboratory wastewater treatment device, comprising a wastewater tank, a waste liquid neutralization mechanism fixedly installed on the top of the wastewater tank, the waste liquid neutralization mechanism comprising a neutralization box, a sealed cover plate, a flip motor, a flip shaft, a flip plate and a sealed rubber strip, a gas filtering mechanism fixedly installed on the top of the neutralization box, the gas filtering mechanism comprising a gas filtering box, a barrier frame, a moisture absorbent, activated carbon, filter cotton and a gas connecting pipe, a solid-liquid separation plate fixedly installed in the inner cavity of the wastewater tank, and a drain pipe is connected to the bottom of the wastewater tank.

[0010] Furthermore, the right side of the neutralization box is fixedly connected to the left side of the flip motor, and the output end of the flip motor is fixedly connected to the outer surface of the flip shaft through a reducer.

[0011] Furthermore, the outer surface of the flip shaft is fixedly connected to the inner surface of the flip plate, and the outer surface of the flip plate is fixedly connected to the inner surface of the sealing rubber strip.

[0012] Furthermore, the left end of the flip shaft passes through the neutralization box and extends to the interior of the neutralization box, the outer surface of the flip plate is rotatably connected to the inner cavity of the neutralization box, and the inner surface of the neutralization box is fixedly connected to the outer surface of the sealed cover plate.

[0013] Furthermore, the inner cavity of the gas filter box is fixedly connected to the outer surface of the barrier frame, the bottom of the inner cavity of the gas filter box is fixedly connected to the outer surface of the desiccant, and the top of the barrier frame is fixedly connected to the bottom of the activated carbon.

[0014] Furthermore, the interior of the gas filter box is fixedly connected to the left side of the filter cotton, and the right side of the gas filter box is connected to the left side of the neutralization box through a gas connecting pipe.

[0015] (III) Beneficial effects

[0016] Compared with the known public technology, the technical solution provided by the utility model has the following beneficial effects:

[0017] 1. The utility model adds a design that the laboratory waste liquid is first neutralized and then precipitated to remove impurities. A plurality of neutralization boxes are used in combination, and a flip motor drives the flip shaft to rotate, and the flip shaft drives the flip plate to flip, so that the laboratory waste liquid that has been neutralized is concentrated and piled together, avoiding the problem that a variety of different laboratory waste liquids are piled together and chemical reactions occur, resulting in the boiling of liquids and the generation of harmful gases, thereby improving the safety of laboratory waste liquid treatment.

[0018] 2. The utility model adds a design for neutralizing gas filtration in laboratory waste liquid, uses a gas filter box in conjunction with a barrier frame, and uses a desiccant, activated carbon, and filter cotton in conjunction with each other, thereby filtering the gas generated by neutralizing laboratory waste liquid and discharging it into the air, thereby avoiding the problem that harmful gases generated during laboratory gas neutralization are discharged into the air without being treated, resulting in harmful gases in the laboratory air that harm laboratory personnel, and improving the safety of laboratory waste liquid treatment. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 It is a three-dimensional structural diagram of the utility model;

[0021] Figure 2 It is a three-dimensional structural cross-sectional view of the waste water tank in the embodiment;

[0022] Figure 3 It is a three-dimensional structural diagram of the flip motor, flip shaft, flip plate and sealing rubber strip in the embodiment;

[0023] The numbers in the figure represent: 1. Waste water tank; 2. Waste liquid neutralization mechanism; 21. Neutralization box; 22. Sealed cover; 23. Flip motor; 24. Flip shaft; 25. Flip plate; 26. Sealed rubber strip; 3. Gas filtration mechanism; 31. Gas filtration box; 32. Barrier frame; 33. Desiccant; 34. Activated carbon; 35. Filter cotton; 36. Gas connecting pipe; 4. Solid-liquid separation plate; 5. Drain pipe. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] The utility model is further described below in conjunction with embodiments.

[0026] Example

[0027] Reference Figure 1-3 A laboratory wastewater treatment device of the present embodiment includes a wastewater tank 1, a waste liquid neutralization mechanism 2 is fixedly installed on the top of the wastewater tank 1, the waste liquid neutralization mechanism 2 includes a neutralization box 21, a sealed cover plate 22, a flip motor 23, a flip shaft 24, a flip plate 25 and a sealed rubber strip 26, a gas filter mechanism 3 is fixedly installed on the top of the neutralization box 21, the gas filter mechanism 3 includes a gas filter box 31, a barrier frame 32, a desiccant 33, activated carbon 34, filter cotton 35 and a gas connecting pipe 36, a solid-liquid separation plate 4 is fixedly installed in the inner cavity of the wastewater tank 1, and a drain pipe 5 is connected to the bottom of the wastewater tank 1.

[0028] The right side of the neutralization box 21 is fixedly connected to the left side of the flip motor 23 , and the output end of the flip motor 23 is fixedly connected to the outer surface of the flip shaft 24 via a speed reducer.

[0029] The outer surface of the flip shaft 24 is fixedly connected to the inner surface of the flip plate 25 , and the outer surface of the flip plate 25 is fixedly connected to the inner surface of the sealing rubber strip 26 .

[0030] The left end of the flip shaft 24 passes through the neutralization box 21 and extends to the inside of the neutralization box 21 . The outer surface of the flip plate 25 is rotatably connected to the inner cavity of the neutralization box 21 . The inner surface of the neutralization box 21 is fixedly connected to the outer surface of the sealed cover plate 22 .

[0031] The inner cavity of the gas filter box 31 is fixedly connected to the outer surface of the barrier frame 32 , the bottom of the inner cavity of the gas filter box 31 is fixedly connected to the outer surface of the desiccant 33 , and the top of the barrier frame 32 is fixedly connected to the bottom of the activated carbon 34 .

[0032] The interior of the gas filter box 31 is fixedly connected to the left side of the filter cotton 35 , and the right side of the gas filter box 31 is connected to the left side of the neutralization box 21 through a gas connecting pipe 36 .

[0033] In this embodiment, the user first classifies the laboratory wastewater and pours it into the neutralization box 21 separately, then pours the respective neutralization solutions into the neutralization box 21, and covers the neutralization box 21 with the sealed cover plate 22. The waste liquid reacts with the neutralization solution, and the generated gas enters the gas filter box 31 through the gas connecting pipe 36. The gas first passes through the desiccant 33 to absorb the liquid in the gas, and then passes through the activated carbon 34 to remove the harmful substances in the gas, and finally passes through the filter cotton 35 to adsorb the remaining particulate matter in the gas, and finally is discharged from the gas filter box 31. The neutralized laboratory waste liquid is driven by the flip motor 23 to rotate the flip shaft 24, and the flip shaft 24 drives the flip plate 25 to flip, and the laboratory waste liquid is poured into the wastewater tank 1, and then passes through the sedimentation of the wastewater tank 1, and is blocked by the solid-liquid separation plate 4 from floating objects and enters the left chamber of the wastewater tank 1, and is discharged by the drain pipe 5.

[0034] In summary, the laboratory wastewater treatment device can first classify the laboratory wastewater and pour it into the neutralization box 21, then pour the respective neutralization solutions into the neutralization box 21, and cover the neutralization box 21 with a sealed cover plate 22. The waste liquid reacts with the neutralization solution, and the generated gas will enter the gas filter box 31 through the gas connecting pipe 36. The gas first passes through the desiccant 33 to absorb the liquid in the gas, and then passes through the activated carbon 34 to remove the harmful substances in the gas, and finally passes through the filter cotton 35 to adsorb the remaining particulate matter in the gas, and finally is discharged from the gas filter box 31. The neutralized laboratory waste liquid is driven by the flip motor 23 to rotate the flip shaft 24, and the flip shaft 24 drives the flip plate 25 to flip, and the laboratory waste liquid is poured into the wastewater tank 1, and then after the sedimentation of the wastewater tank 1, the floating objects are blocked by the solid-liquid separation plate 4 and enter the left chamber of the wastewater tank 1, and are discharged by the drain pipe 5.

[0035] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A laboratory wastewater treatment device, comprising a wastewater tank (1), characterized in that: A waste liquid neutralization mechanism (2) is fixedly installed on the top of the waste water tank (1), and the waste liquid neutralization mechanism (2) comprises a neutralization box (21), a sealed cover plate (22), a flip motor (23), a flip shaft (24), a flip plate (25) and a sealed rubber strip (26); a gas filtering mechanism (3) is fixedly installed on the top of the neutralization box (21), and the gas filtering mechanism (3) comprises a gas filtering box (31), a barrier frame (32), a moisture absorbent (33), activated carbon (34), filter cotton (35) and a gas connecting pipe (36); a solid-liquid separation plate (4) is fixedly installed in the inner cavity of the waste water tank (1), and a drainage pipe (5) is connected to the bottom of the waste water tank (1).

2. A laboratory wastewater treatment device according to claim 1, characterized in that: The right side of the neutralization box (21) is fixedly connected to the left side of the flip motor (23), and the output end of the flip motor (23) is fixedly connected to the outer surface of the flip shaft (24) via a reducer.

3. A laboratory wastewater treatment device according to claim 1, characterized in that: The outer surface of the flip shaft (24) is fixedly connected to the inner surface of the flip plate (25), and the outer surface of the flip plate (25) is fixedly connected to the inner surface of the sealing rubber strip (26).

4. A laboratory wastewater treatment device according to claim 1, characterized in that: The left end of the flip shaft (24) passes through the neutralization box (21) and extends to the interior of the neutralization box (21); the outer surface of the flip plate (25) is rotatably connected to the inner cavity of the neutralization box (21); and the inner surface of the neutralization box (21) is fixedly connected to the outer surface of the sealed cover plate (22).

5. A laboratory wastewater treatment device according to claim 1, characterized in that: The inner cavity of the gas filter box (31) is fixedly connected to the outer surface of the barrier frame (32), the bottom of the inner cavity of the gas filter box (31) is fixedly connected to the outer surface of the desiccant (33), and the top of the barrier frame (32) is fixedly connected to the bottom of the activated carbon (34).

6. A laboratory wastewater treatment device according to claim 1, characterized in that: The interior of the gas filter box (31) is fixedly connected to the left side of the filter cotton (35), and the right side of the gas filter box (31) is connected to the left side of the neutralization box (21) through a gas connecting pipe (36).

Images