CN220012366U - A laboratory sewage pretreatment device - Google Patents

Abstract

The utility model discloses a laboratory sewage pretreatment device, which comprises a sewage pretreatment box, wherein a sewage multistage treatment assembly is arranged in the sewage pretreatment box, an impurity removal assembly is arranged on one side of the sewage multistage treatment assembly, and an impurity discharge assembly is arranged on one side of the impurity removal assembly.

Description

A laboratory sewage pretreatment device

Technical field

The utility model relates to the field of laboratory sewage pretreatment, specifically to a laboratory sewage pretreatment device.

Background technique

Chemical laboratory wastewater generally mainly comes from the comprehensive wastewater generated in the laboratory's medicines, reagents, waste liquids, residual reagents, container washing, instrument cleaning, leakage, leakage and other processes. The discharge cycle of laboratory comprehensive wastewater is irregular and the composition is relatively complex. Direct emission is relatively harmful and belongs to a category of pollutants strictly controlled by the state.

Generally, the wastewater after experiments contains a large amount of particulate matter, and the solid and liquid need to be separated and pretreated before placing the wastewater in the treatment device; the traditional filtration method is to filter through the filter plate, which is prone to incomplete cleaning of impurities, and the cleaning After the impurities pile up, it is difficult to handle.

Contents of the invention

In order to solve the problems raised in the above background technology, the specific technical solutions adopted by the present utility model are as follows:

A laboratory sewage pretreatment device, including a sewage pretreatment box. The sewage pretreatment box is equipped with a sewage multi-stage treatment component. One side of the sewage multi-stage treatment component is provided with an impurity removal component, and one side of the impurity removal component is provided with an impurity discharge. components;

In order to achieve the purpose of multi-stage filtration and sedimentation of sewage, the multi-stage sewage treatment component includes an isolation plate, which is installed inside the sewage pretreatment tank in turn. A particle filter plate is installed inside the isolation plate, and a bamboo charcoal adsorption plate is installed on one side of the particle filter plate. There is an activated carbon adsorption plate on one side of the bamboo charcoal adsorption plate, a liquid inlet pipe is connected above the sewage pretreatment tank, and a liquid outlet pipe is connected below the sewage pretreatment tank. Electrically controlled valves are installed inside the liquid inlet pipe and the liquid outlet pipe.

Further, a support frame is provided at the bottom of the sewage pretreatment tank, and the support frame is fixedly connected to the bottom of the sewage pretreatment tank.

Further, in order to achieve the purpose of impurity cleaning, the impurity removal assembly includes a rotating rod. The rotating rod is movablely connected to the sewage pretreatment tank, the particle filter plate, the bamboo charcoal adsorption plate and the activated carbon adsorption plate through sealed bearings in turn. The periphery of the rotating rod is connected with a cleaning scraper in turn. plate, and a cleaning motor is connected to one end of the rotating rod.

Further, a multi-control switch is installed on one side of the support frame, and the electronic control valve and the cleaning motor are electrically connected to the external power supply through the multi-control switch.

Further, in order to achieve the purpose of impurity discharge, the impurity discharge assembly includes a discharge pipe, which is installed at the bottom of the sewage pretreatment tank in turn. A discharge valve is installed inside the discharge pipe, and a discharge pipe is connected to one side of the discharge pipe. .

Further, the unloading valve is electrically connected to the external power supply through the multi-control switch.

Further, a support base is provided at the bottom of the support frame, and the support base is connected to the support frame.

Compared with the existing technology, this utility model provides a laboratory sewage pretreatment device, which has the following beneficial effects:

(1) This utility model improves the existing technology. In actual use, when solid and liquid are separated and pre-treated before placing the wastewater in the treatment device, the traditional problem is solved through multi-stage filtration and sedimentation. The filtration method is to filter through the filter plate, which is prone to incomplete cleaning of impurities, and after cleaning, the piles of impurities can be automatically processed.

(2) In actual use, the cleaning motor can drive the rotating rod to rotate, so that the cleaning motor can drive the cleaning scraper to rotate through the rotating rod, so that the cleaning scraper can adsorb the particle filter plate, bamboo charcoal adsorption plate and activated carbon The board is cleaned of impurities.

Description of the drawings

Figure 1 is a schematic diagram of the main structure of a laboratory sewage pretreatment device according to an embodiment of the present invention;

Figure 2 is a perspective view of a laboratory sewage pretreatment device according to an embodiment of the present invention;

Figure 3 is a schematic structural diagram of a multi-stage sewage treatment component in a laboratory sewage pretreatment device according to an embodiment of the present invention;

Figure 4 is a schematic structural diagram of an impurity discharge assembly in a laboratory sewage pretreatment device according to an embodiment of the present invention.

In the picture:

1. Sewage pretreatment tank; 2. Multi-stage sewage treatment components; 201. Isolation plate; 202. Particle filter plate; 203. Bamboo charcoal adsorption plate; 204. Activated carbon adsorption plate; 205. Liquid inlet pipe; 206. Liquid outlet pipe; 207. Electronic control valve; 3. Impurity removal component; 301. Rotating rod; 302. Cleaning scraper; 303. Cleaning motor; 304. Sealed bearing; 4. Impurity discharge component; 401. Discharging pipe; 402. Discharging valve ; 403. Discharge pipe; 5. Support frame; 6. Multi-control switch; 7. Support base.

Detailed ways

In order to further explain each embodiment, the present invention provides drawings, which are part of the disclosure of the present utility model. They are mainly used to illustrate the embodiments and can be used to explain the operating principles of the embodiments in conjunction with the relevant descriptions in the specification. By referring to these contents, those skilled in the art will be able to understand other possible implementations and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

According to an embodiment of the present invention, a laboratory sewage pretreatment device is provided.

The present utility model will now be further described in conjunction with the accompanying drawings and specific embodiments. As shown in Figures 1 to 4, a laboratory sewage pretreatment device according to an embodiment of the present utility model includes a rectangular hollow sewage pretreatment tank 1. The pretreatment tank 1 is provided with a sewage multi-stage treatment component 2 for multi-stage sewage filtering and sedimentation. One side of the sewage multi-stage treatment component 2 is provided with an impurity removal component 3 for cleaning impurities in the sewage multi-stage treatment component 2. The impurity removal component An impurity discharge assembly 4 is provided on one side of the assembly 3 for discharging impurities after cleaning by the impurity removal assembly 3 .

As shown in Figure 1-4, the sewage multi-stage treatment component 2 includes an isolation plate 201 that isolates the sewage pretreatment tank 1. Three sedimentation areas are formed in the sewage pretreatment tank 1. The isolation plates 201 are installed in the sewage pretreatment tank 1 in turn. Inside, the isolation plate 201 is equipped with a rectangular particle filter plate 202 for filtering particles. The particle filter plate 202 is fixedly connected to the isolation plate 201. One side of the particle filter plate 202 is provided with a bamboo charcoal adsorption plate 203 for absorbing impurities. The bamboo charcoal adsorption plate One side of 203 is provided with an activated carbon adsorption plate 204 for adsorbing impurities with activated carbon. A liquid inlet pipe 205 is connected above the sewage pretreatment tank 1. The liquid inlet pipe 205 allows sewage to enter the sewage pretreatment tank 1. A liquid outlet is connected below the sewage pretreatment tank 1. Pipe 206 and liquid outlet pipe 206 allow clean water to be discharged. Electrically controlled valves 207 are installed inside the liquid inlet pipe 205 and liquid outlet pipe 206. The electronically controlled valve 207 is used to control the liquid inlet and liquid outlet. There is a sewage pretreatment tank 1 at the bottom. The support frame 5 supports the sewage pretreatment tank 1. The support frame 5 is fixedly connected to the bottom of the sewage pretreatment tank 1.

As shown in Figure 1-4, the impurity removal assembly 3 includes a cylindrical rotating rod 301. The rotating rod 301 is movablely connected to the sewage pretreatment tank 1, the particle filter plate 202, the bamboo charcoal adsorption plate 203 and the activated carbon adsorption plate 204 through the sealed bearing 304. , a cleaning scraper 302 is connected to the periphery of the rotating rod 301 in sequence, and a cleaning motor 303 is connected to one end of the rotating rod 301. The housing of the cleaning motor 303 is connected to one side of the sewage pretreatment tank (1), so that the cleaning motor 303 can be driven to rotate. The rod 301 rotates, so that the cleaning motor 303 drives the cleaning scraper 302 to rotate through the rotating rod 301, so that the cleaning scraper 302 can clean the particle filter plate 202, the bamboo charcoal adsorption plate 203 and the activated carbon adsorption plate 204 to clean impurities, and the support A multi-control switch 6 is installed on one side of the frame 5. The electric control valve 207 and the cleaning motor 303 are both electrically connected to the external power supply through the multi-control switch 6. The multi-control switch 6 can control the electric control valve 207 and the cleaning motor 303.

As shown in Figure 1-4, the impurity discharge assembly 4 includes a discharge pipe 401 for impurity discharge. The discharge pipes 401 are installed at the bottom of the sewage pretreatment tank 1 in turn. The discharge pipes 401 are equipped with lower pipes to control the discharge of impurities. The feeding valve 402 is connected to one side of the feeding pipe 401 with a discharge pipe 403 that collects impurities to external equipment. The feeding valve 402 is electrically connected to the external power supply through the multi-control switch 6. The bottom of the supporting frame 5 is provided with a supporting base 7. The support base 7 is connected to the support frame 5, and the support base 7 makes the support frame 5 more stable.

Working principle: 1. Sewage enters the sewage pretreatment tank 1 through the liquid inlet pipe 205. Three sedimentation areas are formed in the sewage pretreatment tank 1 through the isolation plate 201 for sedimentation. At the same time, it passes through the particle filter plate 202, bamboo charcoal adsorption plate 203 and The activated carbon adsorption plate 204 performs adsorption and filtration, and then is discharged through the liquid outlet pipe 206.

2. When impurities need to be cleaned, the electric control valve 207 in the liquid outlet pipe 206 is closed, and the clean water enters the sewage pretreatment tank 1 through the liquid inlet pipe 205. The cleaning motor 303 drives the rotating rod 301 and the cleaning scraper 302 to rotate, thereby The cleaning scraper 302 is allowed to clean the particle filter plate 202, the bamboo charcoal adsorption plate 203 and the activated carbon adsorption plate 204 from impurities. At the same time, the unloading valve 402 in the unloading pipe 401 is opened, thereby allowing the impurities to be discharged through the discharge pipe 403.

In this utility model, unless otherwise expressly stipulated and limited, the terms "installation", "setting", "connection", "fixing", "rotating" and other terms should be understood in a broad sense. For example, it can be a fixed connection, It can also be detachably connected, or integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or indirectly connected through an intermediate medium; it can be the internal connection of two elements or the interaction of two elements relationship, unless otherwise explicitly limited, those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific circumstances.

The above descriptions are only preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in within the protection scope of this utility model.

Claims (7)

1. The laboratory sewage pretreatment device is characterized by comprising a sewage pretreatment box (1), wherein a sewage multistage treatment assembly (2) is arranged in the sewage pretreatment box (1), an impurity removal assembly (3) is arranged on one side of the sewage multistage treatment assembly (2), and an impurity discharge assembly (4) is arranged on one side of the impurity removal assembly (3);

the utility model provides a sewage multistage treatment subassembly (2) is including division board (201), division board (201) are installed in proper order inside sewage pretreatment case (1), division board (201) internally mounted has granule filter (202), granule filter (202) one side is equipped with bamboo charcoal adsorption plate (203), bamboo charcoal adsorption plate (203) one side is equipped with active carbon adsorption plate (204), sewage pretreatment case (1) top is connected with feed liquor pipe (205), sewage pretreatment case (1) below is connected with drain pipe (206), feed liquor pipe (205) with drain pipe (206) internally mounted has automatically controlled valve (207).

2. The laboratory sewage pretreatment device according to claim 1, wherein a support frame (5) is arranged at the bottom of the sewage pretreatment tank (1), and the support frame (5) is fixedly connected with the bottom of the sewage pretreatment tank (1).

3. The laboratory sewage pretreatment device according to claim 2, wherein the impurity removal component (3) comprises a rotary rod (301), the rotary rod (301) is movably connected with the sewage pretreatment tank (1), the particle filter plate (202), the bamboo charcoal adsorption plate (203) and the activated carbon adsorption plate (204) sequentially through a sealing bearing (304), a cleaning scraper (302) is sequentially connected with the periphery of the rotary rod (301), and one end of the rotary rod (301) is connected with a cleaning motor (303).

4. A laboratory sewage pretreatment device according to claim 3, wherein a multi-control switch (6) is mounted on one side of the support frame (5), and the electric control valve (207) and the cleaning motor (303) are electrically connected with an external power supply through the multi-control switch (6).

5. The laboratory sewage pretreatment device according to claim 4, wherein the impurity discharging component (4) comprises a discharging pipe (401), the discharging pipe (401) is sequentially arranged at the bottom of the sewage pretreatment tank (1), discharging valves (402) are respectively arranged in the discharging pipe (401), and a discharging pipe (403) is connected to one side of the discharging pipe (401).

6. The laboratory wastewater pretreatment device according to claim 5, wherein the blanking valve (402) is electrically connected to an external power supply via the multi-control switch (6).

7. Laboratory sewage pretreatment device according to claim 2, characterized in that the bottom of the supporting frame (5) is provided with a supporting base (7), the supporting base (7) being connected with the supporting frame (5).