CN213506370U

CN213506370U - Six pond integration circulating device of laboratory waste water treatment

Info

Publication number: CN213506370U
Application number: CN202022386831.0U
Authority: CN
Inventors: 杨树学
Original assignee: Shandong Qianheng Daoye Environmental Protection Technology Co ltd
Current assignee: Shandong Qianheng Daoye Environmental Protection Technology Co ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-06-22
Anticipated expiration: 2030-10-23

Abstract

The utility model discloses a laboratory wastewater treatment six-pool integrated circulating device, which relates to the technical field of sewage treatment equipment and comprises a wastewater collection pipe network, a wastewater adjusting pool and a treatment pool, wherein one end of the wastewater adjusting pool is connected with the wastewater collection pipe network through a wastewater pipeline, the other end of the wastewater adjusting pool is connected with the treatment pool through a lifting pipeline, a lifting pump is arranged between the lifting pipeline and the wastewater adjusting pool, and the treatment pool is externally connected with a discharge pipeline for further treatment; the beneficial effects of the utility model are that the structure of making an organic whole through each nodal point treatment pond to handling waste water for whole equipment system is simple and convenient clear small, and the laboratory glassware of application this system need not beat the pit, directly put the laboratory can, the installation is removed conveniently, and operating efficiency is showing and is improving.

Description

Six pond integration circulating device of laboratory waste water treatment

Technical Field

The utility model belongs to the technical field of sewage treatment device technique and specifically relates to a six pond integration circulating device of laboratory waste water treatment.

Background

In recent years, based on the development of national science and technology, the demand for laboratories is gradually increased, and various laboratories grow like bamboo shoots after raining. Laboratories are actually a typical serious source of contamination, and the more the contamination is overlooked by people, the greater the total amount of contamination. In China, wastewater generated in a laboratory is generally directly discharged into an underground municipal pipe network without treatment or simple treatment and is sent to a large domestic sewage treatment plant for centralized treatment. Because the laboratory sewage has complex components, particularly contains heavy metals such as lead, mercury, cadmium, hexavalent chromium, copper, ferrous iron, aluminum, manganese and the like, a large amount of pathogenic pathogens such as bacteria, viruses, ova and the like, and also contains chemical agents, radioactive isotopes and the like, the facility treatment capacity and the process of a domestic sewage treatment plant can not effectively treat the part of the waste water, and finally the waste water can only be discharged into rivers, lakes, rivers, canals, channels, reservoirs and oceans, thereby causing ecological pollution.

The chemical laboratories in central urban areas and residential areas have great environmental harm, and the drainage pipelines of many chemical laboratories are communicated with the drainage pipelines of residents for historical reasons, so that pollutants form the characteristics of cross contamination, acute infection and latent infection through sewers and finally flow into rivers or seep into the ground, and after heavy metals enter water sources or soil, the heavy metals can enter human food chains through various ways to affect human health.

SUMMERY OF THE UTILITY MODEL

In view of the defects in the prior art, the utility model aims to provide a six-pond integrated circulating device for laboratory wastewater treatment.

In order to solve the technical problem, the utility model discloses a following technical scheme: the device comprises a wastewater collecting pipe network, a wastewater adjusting tank and a treatment tank, wherein one end of the wastewater adjusting tank is connected with the wastewater collecting pipe network through a wastewater pipeline, the other end of the wastewater adjusting tank is connected with the treatment tank through a lifting pipeline, a lifting pump is arranged between the lifting pipeline and the wastewater adjusting tank, and the treatment tank is externally connected with a discharge pipeline; the treatment tank is sequentially divided into six tanks, namely a flow regulating tank, a pH regulating tank, a heavy metal capturing tank, a PAC/PAM (polyaluminium chloride/polyacrylamide) coagulation stirring tank, a sludge sedimentation tank and an electrochemical redox tank, wherein the flow regulating tank is used as a reservoir for regulating and controlling the flow of wastewater, the pH regulating tank is used for regulating the pH value of the wastewater, the heavy metal capturing tank is used for removing heavy metals in the wastewater, the PAC/PAM coagulation stirring tank is used for precipitating and separating macromolecular organic matters and large-particle precipitates in the wastewater, the sludge sedimentation tank is used for shunting the precipitates and wastewater solution, the electrochemical redox tank contains a catalyst, and the catalyst promotes the wastewater to undergo redox reaction, so that certain substance components in the wastewater undergo redox reaction to produce harmless carbon dioxide and water.

As a further improvement, the treatment pool is connected with the automatic dispensing system, the treatment pool and the automatic dispensing system are connected with the headquarters control system, and the situation in the treatment pool and the automatic dispensing system can be controlled and monitored by the headquarters control system.

As a further improvement, the sludge settling tank is connected with the circulating system, the circulating system is connected with the lifting pipeline, thereby forming an integral circulating loop, the circulating loop can treat the sediment generated by the sludge settling tank, and the separated wastewater solution is conveyed to the treatment tank through the lifting pipeline again for circulating treatment.

As the utility model discloses a further improvement, circulation system mainly including the circulating line that connects gradually one, sediment recovery mummification system, sludge pump and circulating line two, this circulating line one is connected sludge settling tank, circulating line two is connected lifting pipeline, sediment recovery mummification system carries out the mummification to the sediment and retrieves, the waste water solution that does not change among the sediment recovery mummification system is then carried circulating line two by the sludge pump, and then carries in the lifting pipeline gets into the treatment tank.

Compared with the prior art, the utility model discloses the beneficial effect who has does: this device is through making into integrative structure to each node treatment pond of handling waste water for whole equipment system is simple and convenient clear small, and the laboratory paraphernalia of application this system need not beat the pit, directly put the laboratory can, the installation is removed conveniently, and the operating efficiency is showing and is improving.

Drawings

The invention will be further described with reference to the accompanying drawings:

FIG. 1 is a schematic structural view of a six-tank integrated circulating device for laboratory wastewater treatment of the present invention;

in the figure: 1 waste water collection pipe network, 2 waste water pipeline, 3 waste water equalizing basin, 4 elevator pumps, 5 headquarter control system, 6 elevator pipes, 7 discharge pipe, 8 processing ponds, 801 flow control pond, 802 pH equalizing basin, 803 heavy metal catch pond, 804 PAC/PAM thoughtlessly stirs the pond, 805 sludge settling pond, 806 electrochemical oxidation reduction pond, 9 automatic dispensing system, 10 circulation system, 1001 circulating line one, 1002 sediment recovery mummification system, 1003 sludge pump, 1004 circulating line two.

Detailed Description

The present invention will be described in further detail with reference to fig. 1.

The embodiment of the invention discloses a six-pool integrated circulating device for laboratory wastewater treatment. Referring to fig. 1, the device comprises a wastewater collection pipe network 1, a wastewater adjusting tank 3 and a treatment tank 8, wherein one end of the wastewater adjusting tank 3 is connected with the wastewater collection pipe network 1 through a wastewater pipeline 2, the other end of the wastewater adjusting tank is connected with the treatment tank 8 through a lifting pipeline 6, a lifting pump 4 is arranged between the lifting pipeline 6 and the wastewater adjusting tank 3, and the treatment tank 8 is externally connected with a discharge pipeline 7; the treatment tank 8 is sequentially divided into six tanks, namely a flow regulating tank 801, a pH regulating tank 802, a heavy metal capture tank 803, a PAC/PAM (polyaluminium chloride/polyacrylamide) coagulation stirring tank 804, a sludge settling tank 805 and an electrochemical oxidation reduction tank 806, wherein the flow regulating tank 801 is used as a water storage tank for regulating and controlling the flow of wastewater, and a reagent for regulating the pH value is filled in the pH regulating tank 802 and is used for regulating the pH value of the neutralized wastewater so as to prevent the wastewater from being acidic or alkaline and causing secondary pollution after being discharged; the heavy metal capturing pool 803 contains a solution for removing heavy metals, which is used for capturing and removing heavy metals in wastewater, and the wastewater solution for removing heavy metals flows into a PAC/PAM coagulation stirring pool 804; polyaluminium chloride or polyacrylamide is filled in the PAC/PAM coagulation stirring pool 804, the polyaluminium chloride or polyacrylamide or hydrolysis products thereof can promote macromolecular organic matters and large particles in the wastewater to form colloid for precipitation, the front end of the sludge sedimentation pool 805 is connected with the PAC/PAM coagulation stirring pool 804, the rear end of the sludge sedimentation pool is connected with the circulating system 10 and the electrochemical redox pool 806, the sludge sedimentation pool 805 is used for shunting sediments to enter the circulating system 10, wastewater solution enters the electrochemical redox pool 806, the electrochemical redox pool 806 contains a catalyst, and the catalyst promotes the wastewater to have redox reaction, so that certain substance components in the wastewater have redox reaction to produce harmless carbon dioxide and water. The treatment pool 8 is connected with the automatic dispensing system 9, the automatic dispensing system 9 is internally provided with medicaments required by the treatment pool 8, the treatment pool 8 and the automatic dispensing system 9 are both connected with the headquarters control system 5, and the conditions in the treatment pool 8 and the automatic dispensing system 9 can be monitored and controlled through the headquarters control system control 5, so that the automatic medicament feeding of the treatment pool 8 is completed. The sludge settling tank 805 is connected with a circulating system 10, the circulating system 10 is connected with a lifting pipeline 6, so that an integral circulating loop 10 is formed, and after the circulating loop 10 can treat sediments generated in the sludge settling tank 805, separated wastewater solution is conveyed to the treatment tank 8 through the lifting pipeline 6 again for circulating treatment. The circulating system 10 mainly comprises a first circulating pipeline 1001, a precipitate recycling and drying system 1002, a sludge pump 1003 and a second circulating pipeline 1004 which are sequentially connected, the first circulating pipeline 1001 is connected with the sludge settling tank 805, the second circulating pipeline 1004 is connected with the lifting pipeline 6, the precipitate recycling and drying system 1002 is used for recycling precipitates in a drying mode, waste water solution which is not dried in the precipitate recycling and drying system 1002 is conveyed to the second circulating pipeline 1004 by the sludge pump 1003, and then conveyed to the lifting pipeline 6 to enter the treatment tank 8.

The working process of the laboratory wastewater treatment six-pool integrated circulating device in the utility model is explained in detail below.

When the system works, the headquarter control system 5 is opened, wastewater generated in a laboratory is collected through the wastewater collection pipe network 1 and then enters the wastewater adjusting tank 3, the wastewater adjusting tank 3 serves as a reservoir to temporarily store the collected wastewater, then wastewater solution in the wastewater is supplied with power by the lifting pump 4 and conveyed to the treatment tank 8 through the lifting pipeline 6, the wastewater sequentially passes through the flow adjusting tank 801 in the treatment tank 8 to adjust the flow and then enters the pH adjusting tank 802, the pH adjusting tank 802 contains liquid medicine capable of neutralizing and adjusting the pH value of the wastewater, the wastewater neutralized after the pH value of the wastewater is neutralized enters the heavy metal capturing tank 803 from the pH adjusting tank 802, the wastewater is subjected to heavy metal removal by the heavy metal capturing tank 803 and then enters the PAC/PAM coagulation stirring tank 804, and polyaluminium chloride or polyacrylamide and hydrolysis products thereof added in the PAC/PAM coagulation stirring tank 804 enable macromolecules and large particles in the wastewater to form colloidal precipitate, the muddy waste water solution after the precipitation enters a sludge sedimentation tank 805 from a PAC/PAM (PAC/PAM) coagulation stirring tank 804, the rear end of the sludge sedimentation tank 805 is connected with a circulating system 10 and an electrochemical redox tank 806, the muddy waste water solution which forms colloidal precipitates is subjected to standing separation by the sludge sedimentation tank 805, the separated waste water solution is continuously conveyed to the electrochemical redox tank 806 for treatment, the rest precipitates enter the circulating system 10, the precipitates are dried and recovered by a precipitate recovery drying system 1002 in the circulating system 10, the waste water liquid which is not dried and recovered is continuously conveyed to a treatment tank 8 by a lifting pipeline 6 for secondary treatment, and the waste water solution is circulated in sequence until being dried and recovered completely. Electrodes are arranged in the electrochemical redox pool 806, and the wastewater shunted to the electrochemical redox pool 806 is subjected to a series of chemical redox reactions under the action of an electric field to produce pollution-free carbon dioxide and water, so that harmful and polluting substances in the wastewater are fully removed and are discharged into a sewer pipeline through a discharge pipeline 7.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. It should be understood that the detailed description and specific examples, while indicating the invention, are given by way of illustration only, not by way of limitation, since other embodiments will become apparent to those skilled in the art upon consideration of the following detailed description of the invention without any creative effort.

Claims

1. The utility model provides a six pond integration circulating device of laboratory waste water treatment which characterized in that: including waste water collection pipe network (1), waste water equalizing basin (3) and processing pond (8), waste water equalizing basin (3) one end pass through waste water pipeline (2) and connect waste water collection pipe network (1), the other end passes through lifting pipe (6) and connects processing pond (8), lifting pipe (6) and waste water equalizing basin (3) in the middle of be equipped with elevator pump (4), handle external discharge pipe (7) of pond (8), processing pond (8) separate into six ponds in proper order, be flow control pond (801) respectively, pH equalizing basin (802), heavy metal catch pond (803), PAC/PAM thoughtlessly stirs pond (804), sludge settling pond (805), electrochemical oxidation reduction pond (806).

2. The laboratory wastewater treatment six-pool integrated circulating device according to claim 1, characterized in that: the treatment pool (8) is connected with an automatic dispensing system (9), and the treatment pool (8) and the automatic dispensing system (9) are both connected with a headquarter control system (5).

3. The laboratory wastewater treatment six-pool integrated circulating device according to claim 1, characterized in that: the sludge settling tank (805) is connected with a circulating system (10), and the circulating system (10) is connected with a lifting pipeline (6), so that an integral circulating loop is formed.

4. The laboratory wastewater treatment six-pool integrated circulating device according to claim 3, characterized in that: the circulating system (10) mainly comprises a first circulating pipeline (1001), a sediment recovery and drying system (1002), a sludge pump (1003) and a second circulating pipeline (1004) which are sequentially connected, wherein the first circulating pipeline (1001) is connected with the sludge settling tank (805), and the second circulating pipeline (1004) is connected with the lifting pipeline (6).