CN211111543U - Laboratory wastewater treatment system - Google Patents

Abstract

The utility model discloses a laboratory wastewater treatment system, comprising a flocculation sedimentation container, a microwave heating container, a cooling sedimentation container and a sterilization container which are connected in sequence through a water conduit; The first power pump is installed on the water conduit between the microwave heating container and the flocculation and precipitation container, and the water conduit between the microwave heating container and the cooling precipitation container A second power pump is installed on it, and a third power pump is installed on the water conduit between the cooling sedimentation container and the disinfection container; the disinfection container is equipped with a disinfection stirring mechanism and a dosing device. . The utility model performs multi-stage filtration, flocculation precipitation, high temperature sterilization, cooling precipitation and disinfection treatment on laboratory waste water, so that it can reach the discharge standard, and the treatment effect is good and the efficiency is high.

Description

A laboratory wastewater treatment system

technical field

The utility model belongs to the technical field of laboratory wastewater treatment, in particular to a laboratory wastewater treatment system.

Background technique

The laboratory will produce wastewater during and after the experiment, especially the chemical laboratory produces more wastewater. Therefore, the laboratory needs to install supporting wastewater treatment equipment to treat the wastewater in order to meet the discharge standard. Existing wastewater treatment equipment is not thorough enough in filtration and disinfection, resulting in water containing impurities and bacteria being discharged into the natural environment, causing certain pollution to the environment. In order to solve the above problems, the utility model designs a laboratory wastewater treatment system, which can meet the discharge standard and has a treatment effect through multi-stage filtration, flocculation sedimentation, high temperature sterilization, cooling sedimentation and disinfection treatment of laboratory wastewater. Good, high efficiency advantages.

SUMMARY OF THE INVENTION

Purpose of the invention: In order to overcome the deficiencies in the prior art, the present utility model provides a laboratory wastewater treatment system, which can perform multi-stage filtration, flocculation sedimentation, high temperature sterilization, cooling sedimentation and disinfection treatment on laboratory wastewater. To meet the emission standards, the treatment effect is good and the efficiency is high.

Technical scheme: In order to achieve the above purpose, a laboratory wastewater treatment system of the present utility model comprises a flocculation sedimentation container, a microwave heating container, a cooling sedimentation container and a disinfection container which are sequentially connected through a water conduit;

The top of the flocculation sedimentation container is suspended with a multi-stage filter box through a vertical support spring, the top of the multi-stage filter box is open, the bottom water outlet corresponds to the top water inlet of the flocculation sedimentation container, and the flocculation sedimentation container is matched with a set of flocculation stirring mechanism;

A first power pump is installed on the water guide pipe between the microwave heating container and the flocculation and sedimentation container, and a second power pump is installed on the water guide pipe between the microwave heating container and the cooling and sedimentation container, A third power pump is installed on the water conduit between the cooling sedimentation container and the sterilization container; the sterilization container is equipped with a sterilization stirring mechanism and a dosing device, and the dosing device is installed on the third power pump The water guiding pipe between the sterilizing container and the sterilizing container is filled with sterilizing liquid.

Further, a vibrator is installed outside the multi-stage filter box, and a plurality of filter screens are sequentially arranged inside the multi-stage filter box from top to bottom, and the filter aperture of the filter screen gradually decreases from top to bottom;

A plurality of the filter screens are inclined to one side of the multi-stage filter box with the same inclination and slope, and the side wall of the multi-stage filter box corresponding to the low end of each filter screen is provided with an outlet, which is located at the bottom. The outlet is connected with a guide plate.

Further, a primary sewage pipe is connected to the bottom of the flocculation sedimentation container, and a primary sewage valve is installed on the sewage pipe.

Further, the top of the microwave heating container is provided with a steam discharge port.

Further, a secondary blowdown pipe is connected to the bottom of the cooling sedimentation container, and a secondary blowdown valve is installed on the secondary blowdown pipe.

Further, an emptying pipe is connected to the bottom of the side surface of the disinfection container, and a drain valve is installed on the emptying pipe.

Further, the primary blowdown valve, the secondary blowdown valve and the drain valve are all electric valves.

Further, the flocculation stirring mechanism and the sterilizing stirring mechanism are both constituted by a stirring blade driven by a motor.

Beneficial effects: The utility model of a laboratory wastewater treatment system has the following beneficial effects:

1) The utility model can achieve the discharge standard by carrying out multi-stage filtration, flocculation sedimentation, high temperature sterilization, cooling sedimentation and disinfection treatment on laboratory waste water, and the treatment effect is good and the efficiency is high;

2) The utility model has the advantages of thorough wastewater treatment, simple structure and convenient operation, and is suitable for being put into use on a large scale in a laboratory.

Description of drawings

1 is a schematic diagram of the overall structure of the utility model.

Detailed ways

The present utility model will be further described below in conjunction with the accompanying drawings.

As shown in FIG. 1, a laboratory wastewater treatment system includes a flocculation sedimentation vessel 2, a microwave heating vessel 3, a cooling sedimentation vessel 4 and a sterilization vessel 5 that are connected in sequence through a water conduit 6; the flocculation sedimentation vessel 2 has The top is suspended by a vertical support spring 12 and a multi-stage filter box 1 is installed. The top of the multi-stage filter box 1 is open, and the bottom water outlet corresponds to the top water inlet of the flocculation and sedimentation container 2, and the flocculation and sedimentation container 2 is equipped with a flocculation and sedimentation container. Stirring mechanism 21 ; a first power pump 61 is installed on the water conduit 6 between the microwave heating vessel 3 and the flocculation sedimentation vessel 2 , the conduit between the microwave heating vessel 3 and the cooling sedimentation vessel 4 is A second power pump 62 is installed on the water pipeline 6, and a third power pump 63 is installed on the water conduit 6 between the cooling sedimentation container 4 and the disinfection container 5; The mechanism 51 and the dosing device 54, the dosing device 54 is installed on the water conduit 6 between the third power pump 63 and the sterilizing container 5, and the dosing device 54 contains the sterilizing liquid. In the utility model, the laboratory wastewater is first poured into the multi-stage filter box 1 to be filtered step by step, and then falls into the flocculation sedimentation container 2, where the flocculant is manually added, and then the flocculation stirring mechanism 21 is started to stir to mix the flocculant and the wastewater. Evenly and stand still, after the flocculation and sedimentation is completed, start the first power pump 61 to pump the upper layer wastewater into the microwave heating container 3, open the microwave heating container 3 to heat the wastewater to boiling and keep it boiling for 3 to 5 minutes, and kill the bacteria in the wastewater at high temperature. , start the second power pump 62 to pump the waste water in the microwave heating container 3 into the cooling precipitation container 4 for cooling to normal temperature and settling for precipitation to precipitate impurities in the waste water, start the third power pump 63 to cool the precipitation container 4 The waste water is pumped into the disinfection container 5, and the disinfectant in the dosing device 54 is guided into the disinfection container 5 along with the waste water for chemical disinfection.

Wherein, as a preference, the disinfectant contained in the disinfection container 5 is chlorine dioxide disinfectant.

A vibrator 13 is installed on the outside of the multi-stage filter box 1, and a plurality of filter screens 11 are sequentially arranged inside the multi-stage filter box 1 from top to bottom, and the filter aperture of the filter screen 11 gradually decreases from top to bottom. , so that the solid impurities of different particle sizes can be graded and filtered, and the filtering effect is very good; a plurality of the filter screens 11 maintain the same inclination and are inclined to one side of the multi-stage filter box 1, and each filter screen 11 The side walls of the multi-stage filter box 1 corresponding to the short end are provided with outlets 10 , and the outlet 10 located at the bottom is connected with a guide plate 14 . When the vibrator 13 is turned on, it can drive the entire multi-stage filter box 1 to vibrate, so that the solid impurities on the filter screen 11 are better rolled off and transported away through the guide plate 14 to avoid clogging of the filter screen 11. A box is placed at the end to catch these solid impurities.

The bottom of the flocculation sedimentation container 2 is connected with a primary blowdown pipe 22, and a primary blowdown valve 23 is installed on the blowdown pipe 22. When the primary blowdown valve 23 is opened, the dirt deposited at the bottom of the flocculation sedimentation container 2 can pass through the primary blowdown pipe 22. discharge.

The top of the microwave heating container 3 is provided with a steam discharge port 31 to facilitate the discharge of steam and avoid potential safety hazards due to excessive pressure in the microwave heating container 3 .

The bottom of the cooling sedimentation container 4 is connected with a secondary sewage pipe 41 , and a secondary sewage valve 42 is installed on the secondary sewage pipe 41 , and the sewage deposited at the bottom of the cooling sedimentation container 4 can be discharged by opening the secondary sewage valve 42 . It is discharged through the secondary sewage pipe 41 .

An emptying pipe 52 is connected to the bottom of the side of the disinfection container 5, and a drain valve 53 is installed on the emptying pipe 52. After the disinfection is completed, the water in the disinfection container 5 can be drained by opening the drain valve 53.

The primary blowdown valve 23 , the secondary blowdown valve 42 and the drain valve 53 are all electric valves, which reduce labor and improve efficiency.

More specifically, the flocculation stirring mechanism 21 and the disinfection stirring mechanism 51 are both constituted by stirring blades driven by motors.

The above is only the preferred embodiment of the present utility model, it should be pointed out that: for those skilled in the art, without departing from the principle of the present utility model, several improvements and modifications can also be made. These improvements and Retouching should also be regarded as the protection scope of the present invention.

Claims (8)

1. a laboratory waste water treatment system, is characterized in that: comprise the flocculation sedimentation vessel (2), microwave heating vessel (3), cooling sedimentation vessel (4) and disinfection vessel (5) successively communicated by water conduit (6) ); The top of the flocculation sedimentation container (2) is suspended by a vertical support spring (12), and a multi-stage filter box (1) is suspended. 2) corresponding to the top water inlet, and the flocculation sedimentation container (2) is provided with a flocculation stirring mechanism (21); A first power pump (61) is installed on the water conduit (6) between the microwave heating vessel (3) and the flocculation sedimentation vessel (2), and the microwave heating vessel (3) and the cooling sedimentation vessel ( 4) A second power pump (62) is installed on the water guide pipe (6) between the cooling sedimentation container (4) and the sterilization container (5) on the water guide pipe (6) A third power pump (63) is installed; the disinfection container (5) is equipped with a disinfection stirring mechanism (51) and a medicine feeder (54), and the medicine feeder (54) is installed on the third power pump (63) ) and the sterilizing container (5) on the water conduit (6), and the dosing device (54) is filled with a sterilizing liquid. 2. A laboratory wastewater treatment system according to claim 1, characterized in that: a vibrator (13) is installed outside the multi-stage filter box (1), and a vibrator (13) is installed inside the multi-stage filter box (1). A plurality of filter screens (11) are arranged in sequence from top to bottom, and the filter apertures of the filter screens (11) gradually decrease from top to bottom; A plurality of the filter screens (11) are inclined and arranged toward one side of the multi-stage filter box (1) while maintaining the same inclination, and the multi-stage filter box (1) corresponding to the short end of each filter screen (11) Outlets (10) are provided on the side walls of the boxes, and a guide plate (14) is connected to the outlet (10) at the bottom. 3. A laboratory wastewater treatment system according to claim 1, characterized in that: a primary sewage pipe (22) is connected to the bottom of the flocculation sedimentation container (2), and a primary sewage pipe (22) is installed on the sewage pipe (22). Drain valve (23). 4 . The laboratory wastewater treatment system according to claim 1 , wherein a steam outlet ( 31 ) is opened on the top of the microwave heating container ( 3 ). 5 . 5. A laboratory wastewater treatment system according to claim 3, characterized in that: the bottom of the cooling sedimentation container (4) is connected with a secondary sewage pipe (41), and the secondary sewage pipe (41) is connected to the bottom of the secondary sewage pipe (41). A secondary blowdown valve (42) is installed. 6. A laboratory wastewater treatment system according to claim 5, characterized in that: an emptying pipe (52) is connected to the bottom of the side of the disinfection container (5), and an emptying pipe (52) is installed on the emptying pipe (52). Drain valve (53). 7 . The laboratory wastewater treatment system according to claim 6 , wherein the primary blowdown valve ( 23 ), the secondary blowdown valve ( 42 ) and the drain valve ( 53 ) are all electric valves. 8 . 8. A laboratory wastewater treatment system according to any one of claims 1 to 7, characterized in that: the flocculation stirring mechanism (21) and the disinfection stirring mechanism (51) are composed of stirring blades driven by motors .

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