CN119750829A - Annealing wastewater treatment system - Google Patents
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- CN119750829A CN119750829A CN202411965806.4A CN202411965806A CN119750829A CN 119750829 A CN119750829 A CN 119750829A CN 202411965806 A CN202411965806 A CN 202411965806A CN 119750829 A CN119750829 A CN 119750829A
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Abstract
本发明涉及一种退火废水处理系统，包括：存储组件，用于存储退火废水；输送组件，用于输送所述存储组件中的退火废水；所述输送组件与所述存储组件连接；中和组件，用于对退火废水进行中和；所述中和组件与所述输送组件连接；反应组件，用于混凝剂和退火废水中的悬浮物反应；所述反应组件与所述中和组件连接；沉淀组件，用于沉淀悬浮物；所述沉淀组件与所述反应组件连接；污泥存储组件，用于存储悬浮物；所述污泥存储组件与所述沉淀组件连接；过滤组件，用于过滤杂质；所述过滤组件分别与所述输送组件和所述沉淀组件连接；收集组件，用于存储过滤后的水；所述收集组件与所述过滤组件连接。本申请处理过的原水相关指标均符合相关指标范围。
The present invention relates to an annealing wastewater treatment system, comprising: a storage component for storing annealing wastewater; a conveying component for conveying the annealing wastewater in the storage component; the conveying component is connected to the storage component; a neutralization component for neutralizing the annealing wastewater; the neutralization component is connected to the conveying component; a reaction component for reacting a coagulant with suspended matter in the annealing wastewater; the reaction component is connected to the neutralization component; a precipitation component for precipitating suspended matter; the precipitation component is connected to the reaction component; a sludge storage component for storing suspended matter; the sludge storage component is connected to the precipitation component; a filtering component for filtering impurities; the filtering component is respectively connected to the conveying component and the precipitation component; a collecting component for storing filtered water; the collecting component is connected to the filtering component. The relevant indicators of the raw water treated by this application all meet the relevant indicator range.
Description
Technical Field
The invention relates to the technical field of wastewater treatment, in particular to an annealing wastewater treatment system.
Background
During the alloy heat treatment, a certain amount of waste water is generated, and the waste water mainly comes from links such as alkaline leaching, acid washing, passivation and the like. The characteristics of the heat treatment wastewater are as follows:
(1) The source is various, the waste water is from a plurality of processes, such as acid washing, quenching, tempering, cleaning and the like, so the components are complex and various;
(2) The waste water contains various pollutants such as barium salt, nitrate, mineral oil, acid-base substances and the like, and the substances have different chemical properties and toxicity;
(3) The discharge amount is large, particularly in a heat treatment plant for mass production, the amount of generated wastewater is usually large;
(4) The treatment difficulty is high, and the wastewater contains various pollutants and has high concentration, so that the treatment is relatively difficult, and a method combining various treatment technologies is needed.
Aiming at the characteristics of heat treatment wastewater, the treatment process generally comprises the following steps:
(1) The pretreatment, namely, the wastewater is firstly cooled by a cooling tower or a cooling pool and other equipment to be cooled to normal temperature or lower temperature, so that the subsequent treatment is convenient. Meanwhile, larger solid impurities are removed through the grid, so that subsequent treatment equipment is prevented from being blocked;
(2) Oil-water separation, namely removing floating oil in the wastewater by using a physical method such as gravity sedimentation, centrifugal separation or air floatation. For the emulsion, demulsifier can be adopted to carry out demulsification treatment, so that oil drops are coalesced and then deoiled;
(3) Flocculation precipitation, namely adding a flocculating agent into the wastewater to help the suspended matters to be coagulated into larger particles, so that the precipitation or filtration removal is facilitated;
(4) Chemical treatment, namely adjusting the pH value of the wastewater by adding acid or alkali, and adding an oxidant or a reducing agent to remove specific pollutants;
(5) Advanced treatment, namely, according to the water quality requirement of the effluent, further purifying the water quality by adopting advanced oxidation technologies such as activated carbon adsorption, membrane separation technology (such as ultrafiltration and reverse osmosis) and the like possibly;
(6) Biological treatment, namely, for certain pollutants suitable for biological degradation, biochemical treatment technology such as an activated sludge method, a biological filter and the like can be adopted to remove organic matters.
However, the conventional method is complicated in flow and high in cost, so that improvement is needed.
Disclosure of Invention
In view of this, the present invention provides an annealing wastewater treatment system.
Specifically, the invention is realized by the following technical scheme:
According to a first aspect of the present invention there is provided an annealing wastewater treatment system comprising:
A storage assembly for storing annealing wastewater;
The conveying assembly is used for conveying the annealing wastewater in the storage assembly and is connected with the storage assembly;
the neutralizing component is used for neutralizing the annealing wastewater and is connected with the conveying component;
the reaction component is used for reacting the coagulant with suspended matters in the annealing wastewater and is connected with the neutralization component;
the sedimentation component is used for precipitating suspended matters and is connected with the reaction component;
The sludge storage component is used for storing suspended matters and is connected with the sedimentation component;
The filter assembly is used for filtering impurities and is respectively connected with the conveying assembly and the sedimentation assembly;
the collecting assembly is used for storing the filtered water and is connected with the filtering assembly.
Optionally, the storage assembly includes a sump connected to the delivery assembly.
Optionally, the conveying assembly comprises an adjusting tank and a water collecting tank lifting pump, wherein the water collecting tank lifting pump is respectively connected with the adjusting tank and the water collecting tank in the storage assembly.
Optionally, the neutralization component comprises a neutralization reaction tank, an adjusting tank lifting pump and a first medicine adding device, wherein the adjusting tank lifting pump is respectively connected with the adjusting tank in the conveying component and the neutralization reaction tank, and the neutralization reaction tank is connected with the first medicine adding device.
Optionally, the reaction assembly comprises a coagulation reaction tank and a second chemical adder, wherein the coagulation reaction tank is respectively connected with the neutralization reaction tank and the second chemical adder in the neutralization assembly.
Optionally, the sedimentation component comprises an inclined tube sedimentation tank, and the inclined tube sedimentation tank is connected with a coagulation reaction tank in the reaction component.
Optionally, the sludge storage assembly comprises a sludge tank which is connected with the inclined tube sedimentation tank in the sedimentation assembly.
Optionally, the filtering assembly comprises a sedimentation water tank, a filtering lifting pump, a quartz sand filter, an activated carbon filter, a water softener, an ultrafiltration unit, an intermediate water tank and a reverse osmosis unit, wherein the sedimentation water tank is respectively connected with the filtering lifting pump and an inclined tube sedimentation tank in the sedimentation assembly, the quartz sand filter is respectively connected with the filtering lifting pump, the activated carbon filter and an adjusting tank in the conveying assembly, the activated carbon filter is respectively connected with the water softener and the adjusting tank, the ultrafiltration unit is respectively connected with the water softener and the intermediate water tank, and the intermediate water tank is connected with the reverse osmosis unit.
Optionally, the collection assembly comprises a reuse water tank connected with a reverse osmosis unit in the filtration assembly.
Optionally, the filter assembly further comprises a filter backwash pump which is respectively connected with the quartz sand filter, the activated carbon filter, the water softener and a reuse water tank in the collecting assembly.
The technical scheme provided by the invention has at least the following beneficial effects:
The annealing wastewater treatment system provided by the application displays an innovative wastewater treatment flow design and aims to solve the problems of complicated flow and high cost in the traditional annealing wastewater treatment method. The storage component is used for temporarily storing the wastewater generated in the annealing process, ensuring that the wastewater is properly stored before treatment, and facilitating management and subsequent treatment through centralized storage. And the conveying assembly is used for conveying the annealing wastewater in the storage assembly to a subsequent treatment assembly, so that continuous and stable conveying of the wastewater is realized, and the treatment efficiency is improved. And the neutralization component is used for carrying out neutralization treatment on the annealing wastewater, adjusting the pH value of the annealing wastewater to a proper range, creating favorable conditions for the subsequent treatment steps and reducing the treatment difficulty and the cost. And a reaction component, wherein a coagulant is added to enable suspended matters in the annealing wastewater and the coagulant to react chemically to form floccules which are easy to precipitate, and suspended matters in the wastewater are removed through chemical reaction, so that the water quality is improved. And the precipitation component is used for precipitating the suspended matters after the reaction to the bottom by utilizing the gravity effect, so that the primary purification of the wastewater is realized, and most of the suspended matters in the wastewater are removed by physical precipitation, so that the subsequent treatment difficulty is reduced. The sludge storage component is used for storing the sludge deposited in the deposition component, so that the subsequent treatment or disposal is facilitated, the pollution of the sludge to the environment is avoided, and the recycling or safe disposal of the sludge is facilitated. And the filtering component is used for filtering the precipitated wastewater to remove fine suspended matters and impurities, further improving the water quality and ensuring that the discharged water meets the discharge standard or the recycling requirement. And the collecting component is used for storing the filtered water, so that the subsequent utilization or discharge is facilitated, the resource utilization of the wastewater is realized, and the water resource waste is reduced. On the one hand, through the modularized design, the wastewater treatment process is decomposed into a plurality of independent components, and each component completes a specific treatment task, so that the treatment flow is clearer and simpler. On the other hand, unnecessary processing steps and medicament use are reduced by optimizing the processing flow, and meanwhile, the processing cost is reduced, and the energy consumption and the labor cost are reduced by improving the processing efficiency. In the third aspect, the relevant indexes such as color, smell and taste, turbidity, chloride, nitrate, hexavalent chromium, mercury, sodium, total hardness, manganese, iron, arsenic, cadmium, lead, TDS and the like in raw water treated by the system all accord with the relevant index range.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the description of the embodiments or the related art will be briefly described below, and it will be apparent to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a schematic structural diagram of an annealing wastewater treatment system according to an embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Fig. 1 schematically illustrates an annealing wastewater treatment system suitable for use in embodiments of the invention.
Referring to fig. 1, the present application provides an annealing wastewater treatment system comprising:
A storage assembly for storing annealing wastewater;
The conveying assembly is used for conveying the annealing wastewater in the storage assembly and is connected with the storage assembly;
the neutralizing component is used for neutralizing the annealing wastewater and is connected with the conveying component;
the reaction component is used for reacting the coagulant with suspended matters in the annealing wastewater and is connected with the neutralization component;
the sedimentation component is used for precipitating suspended matters and is connected with the reaction component;
The sludge storage component is used for storing suspended matters and is connected with the sedimentation component;
The filter assembly is used for filtering impurities and is respectively connected with the conveying assembly and the sedimentation assembly;
the collecting assembly is used for storing the filtered water and is connected with the filtering assembly.
In the embodiment of the application, the annealing wastewater stored in the storage component is neutralized by the conveying component, the neutralized solution enters the reaction component to react with the coagulant to form larger particles, the reacted solution enters the precipitation component, the larger particles are precipitated and enter the sludge storage component to be stored, the precipitated solution enters the filtering component to be further filtered, and the filtered water enters the collecting component to be converged and used. And the system integration is that a plurality of treatment components are integrated into one system, so that the continuity and automation of wastewater treatment are realized, and the treatment efficiency is improved. And the process optimization is to avoid the processing bottleneck and redundant steps possibly occurring in the traditional method through reasonable process design, and reduce the processing cost. The environment-friendly method reduces the negative influence on the environment by reducing the dosage of the medicament and improving the water quality of the effluent, and meets the requirement of sustainable development. In summary, the annealing wastewater treatment system realizes high efficiency, low cost and environmental friendliness of wastewater treatment through modular design, flow optimization and system integration.
Illustratively, the storage assembly includes a sump coupled to the delivery assembly.
In annealing wastewater treatment systems, storage elements play a critical role in the collection and temporary storage of wastewater produced from the annealing process to ensure the successful performance of subsequent treatment steps. The storage assembly includes a sump and the sump is connected to the delivery assembly. The catch basin serves as a starting point for wastewater treatment and its main function is to collect wastewater generated from the annealing process, which may contain various contaminants such as suspended matter, heavy metal ions, organic matter, etc. The sump provides a temporary storage space before the wastewater is delivered to the subsequent processing assembly, which helps balance the rate of wastewater generation and the differences in processing capacity of the processing system, ensuring process continuity and stability. The water collecting tank can also play a role in adjusting water quality, and can reduce water quality fluctuation of the wastewater by mixing the wastewater generated in different time periods, thereby providing more stable water quality conditions for subsequent treatment. In some cases, the sump may also be used as a preliminary sedimentation tank, where the wastewater stays for a period of time, some of which may settle to the bottom due to gravity, thereby reducing the burden on subsequent processing components. The sump is connected to the transport assembly by appropriate plumbing and pumping stations so that when the wastewater accumulates to a certain level, the transport assembly can be activated to withdraw the wastewater from the sump and transport it to a subsequent treatment assembly. The main function of the transfer assembly is to transfer the wastewater in the sump to a subsequent treatment assembly, which usually involves the use of a pump to ensure that the wastewater can be transferred to the treatment system at an appropriate pressure and flow rate, and by a close connection to the sump, the transfer assembly ensures continuity and efficiency of wastewater treatment, and once the wastewater in the sump reaches a certain level or quantity, the transfer assembly is activated to transfer the wastewater to the next treatment step. The integrated benefit is that the water collecting tank is used as a part of the storage component and is tightly connected with the conveying component, so that the automation and the continuity of wastewater treatment can be realized, the intervention of manual operation is reduced, and the treatment efficiency is improved. In addition, the design also helps to reduce the treatment cost, and by optimizing the collection and delivery process of the wastewater, the waste of energy and water resources can be reduced, and the operation and maintenance cost of the treatment system can be reduced.
The delivery assembly illustratively includes a conditioning tank and a sump lift pump, wherein the sump lift pump is coupled to the conditioning tank and the sump in the storage assembly, respectively.
In an annealing wastewater treatment system, a transport assembly plays a critical role in transporting wastewater from a storage assembly to a subsequent treatment assembly. The conveying assembly comprises an adjusting tank and a water collecting tank lifting pump, wherein the water collecting tank lifting pump is respectively connected with the adjusting tank and the water collecting tank in the storage assembly. The main function of the regulating tank is to receive the wastewater from the water collecting tank and to perform preliminary regulation on the water quality of the wastewater through proper residence time and mixing process, which helps balance the pollutant concentration in the wastewater and provides more stable water quality conditions for subsequent treatment. By accumulating a certain amount of wastewater in the regulating reservoir, a regulation of the wastewater flow can be achieved, which helps to balance the difference between the rate of wastewater generation and the throughput of the treatment system, ensuring the continuity and stability of the treatment process. In some cases, the conditioning tank may also be used as a preliminary sedimentation tank, where the wastewater stays for a period of time, and some suspended substances therein may be settled to the bottom due to gravity, thereby reducing the burden of the subsequent treatment components. The main function of the sump lift pump is to pump the waste water from the sump and to the conditioning tank, which usually involves the use of a pump to ensure that the waste water can be delivered to the next process step at the appropriate pressure and flow rate. The water collecting tank lifting pump is respectively connected with the water collecting tank and the regulating tank through the pipelines, and the connection mode ensures that wastewater can be smoothly conveyed from the water collecting tank to the regulating tank, and realizes the continuity and automation of wastewater treatment. Sump lift pumps are typically equipped with a control system that can adjust the pump's operating conditions based on the water level in the sump or the rate of wastewater production, which helps ensure timeliness and efficiency of wastewater treatment. The comprehensive benefit is that the regulating reservoir and the water collecting tank lifting pump are used as the core part of the conveying component and are tightly connected with the water collecting tank in the storage component, so that the automation, the serialization and the high efficiency of wastewater treatment can be realized, the intervention of manual operation is reduced, and the treatment efficiency is improved. Through the water quality and flow regulation effect of the regulating reservoir, the stable operation of the subsequent treatment assembly can be ensured, and the treatment cost is reduced. In addition, the design is also beneficial to reducing energy consumption and waste of water resources and improving environmental protection and sustainability of wastewater treatment.
The neutralization assembly comprises a neutralization reaction tank, an adjusting tank lifting pump and a first medicine adding device, wherein the adjusting tank lifting pump is respectively connected with the adjusting tank in the conveying assembly and the neutralization reaction tank, and the neutralization reaction tank is connected with the first medicine adding device.
In annealing wastewater treatment systems, the main task of the neutralization module is to adjust the pH of the wastewater to ensure that the subsequent treatment steps can be performed under optimum conditions. The neutralization component comprises a neutralization reaction tank, an adjusting tank lifting pump and a first chemical feeder, and the neutralization reaction tank, the adjusting tank lifting pump and the first chemical feeder are cooperatively operated through a specific connection mode. The main function of the neutralization reaction tank is to receive the wastewater from the regulating tank and regulate the pH value of the wastewater by adding proper chemical agents (such as acid or alkali), which is helpful for neutralizing acidic or alkaline substances in the wastewater and providing more proper water quality conditions for subsequent treatment. The neutralization reaction tank provides sufficient space and time for the added chemical agent to mix well with the wastewater and react, which ensures accurate adjustment of the pH and reduces problems that may occur in subsequent processing steps. The neutralization reaction tank is usually provided with a water outlet and a control system, and the flow rate and the speed of the discharged water can be controlled according to the pH value adjustment condition of the wastewater, so that the continuity and the stability of wastewater treatment are ensured. The main function of the regulating tank lifting pump is to pump the wastewater out of the regulating tank and convey the wastewater into the neutralization reaction tank, so that the wastewater can be smoothly transferred from the regulating tank to the neutralization reaction tank, and the continuity and the automation of wastewater treatment are realized. The equalizing basin elevator pump is connected with equalizing basin and neutralization reaction pond respectively through the pipeline, and this kind of connected mode has guaranteed that waste water can carry according to predetermined route and flow, has avoided the leakage and the waste of waste water. The regulating tank lift pump is typically equipped with a flow control system that can adjust the wastewater delivery rate according to the requirements of the neutralization reaction tank, which helps to ensure wastewater treatment efficiency and quality in the neutralization reaction tank. The primary function of the first applicator is to add the appropriate amount of chemical agents (e.g., acids or bases) to the neutralization reaction tank, which are used to adjust the pH of the wastewater and ensure that the wastewater maintains the proper chemistry during the treatment process. The first doser is typically equipped with an accurate metering and control system that can accurately control the amount of dosage of the agent depending on the pH of the wastewater and the requirements of the neutralization reaction tank, which helps to avoid waste and excessive use of the agent while ensuring accuracy and stability of wastewater treatment. The first doser is connected with the neutralization reaction tank through a pipeline and is usually provided with monitoring equipment for monitoring the pH value of the wastewater and the addition condition of the medicament in real time, which is helpful for timely finding and treating possible problems and ensuring the continuity and the high efficiency of wastewater treatment. The integrated benefit is that the neutralization reaction tank, the regulating tank lifting pump and the first medicine feeder are used as the core part of the neutralization component and are tightly connected with the regulating tank in the conveying component, so that the automation, the serialization and the accuracy of the wastewater treatment can be realized, the treatment efficiency and the treatment quality are improved, and the treatment cost is reduced. By precisely controlling the addition amount of the chemical and the delivery rate of the wastewater, the stable and reliable wastewater treatment process in the neutralization reaction tank can be ensured, and the influence on the environment can be reduced. In addition, the design also helps to improve the flexibility and adaptability of wastewater treatment, and can cope with the variation of different water quality and treatment requirements.
The reaction assembly comprises a coagulation reaction tank and a second chemical feeder, wherein the coagulation reaction tank is respectively connected with the neutralization reaction tank and the second chemical feeder in the neutralization assembly.
In an annealing wastewater treatment system, the main task of the reaction component is to promote coagulation and flocculation of suspended matters, colloid matters and the like in wastewater by adding a coagulant, so that subsequent precipitation and filtration treatment are facilitated. The reaction assembly comprises a coagulation reaction tank and a second chemical feeder, and the coagulation reaction tank and the second chemical feeder are cooperated with the neutralization reaction tank of the neutralization assembly in a specific connection mode. The main function of the coagulation reaction tank is to receive the wastewater from the neutralization reaction tank, and coagulant (such as ferric salt, aluminum salt and the like) is added to cause suspended matters, colloid matters and the like in the wastewater to generate coagulation and flocculation reactions, and the reactions form larger particles or flocs, thereby facilitating the subsequent precipitation treatment. The coagulation reaction tank provides enough mixing and reaction space to enable the added coagulant to be fully mixed with the wastewater and react, so that the accuracy and stability of the coagulation effect are ensured. The coagulation reaction tank is usually equipped with a water outlet and a control system, and the flow rate and the rate of the effluent can be adjusted according to the coagulation effect of the wastewater, which helps to ensure the continuity and stability of wastewater treatment. The main function of the second medicine feeder is to add a proper amount of coagulant into the coagulation reaction tank, wherein the coagulant is used for promoting suspended matters, colloid matters and the like in the wastewater to generate coagulation and flocculation reaction, and particles or flocs which are easy to precipitate are formed. The second doser is usually equipped with an accurate metering and control system that allows accurate control of the coagulant addition depending on the nature of the wastewater, the requirements of the coagulation reaction tank and the treatment objectives, which helps to avoid waste and overdose of coagulant while ensuring accuracy and stability of wastewater treatment. The second doser is connected with the coagulation reaction tank through a pipeline and is usually provided with monitoring equipment for monitoring the coagulation effect of the wastewater and the addition condition of the coagulant in real time, which is helpful for timely finding and treating possible problems and ensuring the continuity and the high efficiency of wastewater treatment. The coagulation reaction tank is connected with the neutralization reaction tank through a pipeline and receives the wastewater from the neutralization reaction tank, so that the coagulation reaction of the wastewater after the neutralization treatment is ensured, and more stable water quality conditions are provided for the subsequent sedimentation and filtration treatment. After the pH value of the wastewater in the neutralization reaction tank is regulated to a proper value, the wastewater is conveyed into the coagulation reaction tank through a pipeline to react with the added coagulant, and the connection mode ensures the continuity and automation of wastewater treatment. The comprehensive benefit is that the coagulation reaction tank and the second medicine feeder are used as the core part of the reaction component and are tightly connected with the neutralization reaction tank of the neutralization component, so that the automation, the serialization and the accuracy of the wastewater treatment can be realized. This improves the processing efficiency and quality while reducing the processing cost. By precisely controlling the addition amount of the coagulant and the mixing reaction process of the wastewater, the stable and reliable wastewater treatment effect in the coagulation reaction tank can be ensured, and the influence on the environment is reduced. In addition, the design also helps to improve the flexibility and adaptability of wastewater treatment, and can cope with the variation of different water quality and treatment requirements.
Illustratively, the sedimentation assembly includes a sloped tube sedimentation tank connected to a coagulation reaction tank in the reaction assembly.
In the embodiment of the application, the core part of the sedimentation component is an inclined tube sedimentation tank which is closely connected with the coagulation reaction tank in the reaction component to form an important link in the wastewater treatment flow. The main task of the inclined tube sedimentation tank is to utilize the action of gravity to enable suspended matters, colloid substances, floccules formed after coagulation reaction and the like in wastewater to be precipitated to the bottom, the design of the inclined tube increases the sedimentation area, and meanwhile, the sedimentation efficiency is improved by utilizing the laminar flow principle. After wastewater flows into the inclined tube sedimentation tank from the coagulation reaction tank, the water flow speed is slowed down due to the increase of the inclination angle and the surface area of the inclined tube, suspended matters and flocs are gradually precipitated to the bottom under the action of gravity, and meanwhile, the water flow between the inclined tubes forms a laminar state, so that the turbulence and vortex of the water flow are reduced, and the stable sedimentation of the suspended matters is facilitated. The inclined tube sedimentation tank is directly connected with the coagulation reaction tank through a pipeline, so that wastewater can smoothly enter the sedimentation tank for sedimentation treatment after coagulation reaction, and the connection mode ensures the continuity and automation of wastewater treatment. The main task of the coagulation reaction tank is to add coagulant into the wastewater to cause suspended matters, colloid matters and the like in the wastewater to undergo coagulation and flocculation reaction to form larger particles or flocs, so that the subsequent precipitation treatment is facilitated. After the wastewater enters the coagulation reaction tank, the coagulant is added and mixed and stirred properly, so that the coagulant and suspended matters, colloid matters and the like in the wastewater are subjected to chemical reaction to form larger particles or flocs, and the particles or flocs are easy to remove in the subsequent precipitation process. The coagulation reaction tank is connected with the inclined tube sedimentation tank through a pipeline, so that wastewater can directly flow into the sedimentation tank for sedimentation treatment after coagulation reaction, and the connection mode ensures the continuity and high efficiency of wastewater treatment. The comprehensive benefit is that the treatment efficiency is improved, the inclined tube sedimentation tank is tightly connected with the coagulation reaction tank, so that the wastewater can be continuously and efficiently subjected to coagulation reaction and sedimentation treatment, and the efficiency and quality of wastewater treatment are improved. The floor area is reduced, the design of the inclined tube sedimentation tank greatly increases the sedimentation area, simultaneously reduces the floor area and improves the space utilization rate of the wastewater treatment system. The operation cost is reduced, the operation cost of the wastewater treatment system can be reduced and the economic benefit is improved by optimizing the design and the connection mode of the sedimentation tank.
Illustratively, the sludge storage assembly includes a sludge basin connected to a chute sedimentation basin in the sedimentation assembly.
In the embodiment of the application, the sludge storage component mainly consists of a sludge tank, and a direct connection is established between the sludge tank and the inclined tube sedimentation tank of the sedimentation component. The sludge tank is used as a main storage place of sludge, and has the key effect of receiving and temporarily storing the sludge from the inclined tube sedimentation tank, wherein the sludge contains suspended matters, colloid matters, flocs generated by coagulation reaction and other impurities which are sedimented in the wastewater treatment process. When the sludge in the inclined tube sedimentation tank is accumulated to a certain extent, the sludge is conveyed into the sludge tank through a sludge discharge pipeline, and in the sludge tank, the sludge is subjected to further sedimentation, concentration and stabilization treatment so as to reduce the volume and the potential influence on the environment. The sludge tank is connected with the inclined tube sedimentation tank through the sludge discharge pipeline, so that the sludge can be ensured to be smoothly transferred from the sedimentation tank to the sludge tank, the accumulation and overflow of the sludge are avoided, and the stable operation of the wastewater treatment system is ensured. The inclined tube sedimentation tank is key equipment in the wastewater treatment process, and mainly has the function of utilizing gravity to enable suspended matters, colloid substances, flocs formed after coagulation reaction and the like in wastewater to be precipitated to the bottom to form sludge. After wastewater flows into the inclined tube sedimentation tank from the coagulation reaction tank, the water flow speed is slowed down due to the increase of the inclination angle and the surface area of the inclined tube, suspended matters and flocs are gradually precipitated to the bottom under the action of gravity, the sludge layer is gradually thickened along with the progress of the precipitation process, and when the sludge layer reaches a certain thickness, the sludge layer is discharged into the sludge tank for further treatment through a sludge discharge pipeline. The inclined tube sedimentation tank is connected with the sludge tank through the sludge discharge pipeline, and the connection mode ensures that the sludge can be continuously and stably transferred from the sedimentation tank to the sludge tank, thereby providing convenience for subsequent sludge treatment. The comprehensive benefit is that the treatment efficiency is improved, namely the sludge tank is tightly connected with the inclined tube sedimentation tank, so that the sludge can be timely and effectively discharged from the sedimentation tank, the accumulation and overflow of the sludge are avoided, and the overall treatment efficiency of the wastewater treatment system is improved. The operation cost is reduced, namely, the energy consumption and abrasion in the sludge conveying process can be reduced and the operation cost of the wastewater treatment system is reduced by optimizing the design and the connection mode of the sludge discharge pipeline. Environmental protection the sludge in the sludge tank can be further stabilized to reduce the potential influence of the sludge on the environment, and the design is beneficial to protecting the ecological environment and realizing sustainable development of wastewater treatment.
The filter assembly comprises a sedimentation water tank, a filter lifting pump, a quartz sand filter, an activated carbon filter, a water softener, an ultrafiltration unit, an intermediate water tank and a reverse osmosis unit, wherein the sedimentation water tank is respectively connected with the filter lifting pump and an inclined tube sedimentation tank in the sedimentation assembly, the quartz sand filter is respectively connected with the filter lifting pump, the activated carbon filter and a regulating tank in the conveying assembly, the activated carbon filter is respectively connected with the water softener and the regulating tank, the ultrafiltration unit is respectively connected with the water softener and the intermediate water tank, and the intermediate water tank is connected with the reverse osmosis unit.
In the embodiment of the application, the supernatant water of the inclined tube sedimentation tank enters a sedimentation water tank and is lifted to a subsequent filter by a filter lifting pump, wherein the sewage firstly enters a quartz sand filter for removing suspended matters, colloid and other impurities in the water, the effluent water of the quartz sand filter enters an activated carbon filter for filtering chemical organic matters, heavy metals, chromaticity, peculiar smell, residual chlorine and the like in the water, the effluent water of the activated carbon filter enters a water softener, and the water is used for removing calcium and magnesium ions in the water, so that the hardness of the water is reduced, and the scaling of the subsequent ultrafiltration membrane and the reverse osmosis membrane on the concentrate side of the reverse osmosis membrane is reduced. The water discharged from the water softener enters an ultrafiltration unit, and the ultrafiltration unit can remove almost all bacteria, microorganisms, viruses, escherichia coli, organic matters of some macromolecules, all insoluble colloids in water and the like in raw water, so that the turbidity of the treated water is less than or equal to 0.2NTU and the SDI is less than or equal to 3. The effluent of the ultrafiltration unit enters the reverse osmosis unit after being transferred by the middle water tank. The reverse osmosis unit can remove most inorganic salts, particles, bacteria, viruses and other soluble substances in water, so that the water is finally purified.
Illustratively, the collection assembly includes a reuse water tank connected to a reverse osmosis unit in the filtration assembly.
In the embodiment of the application, reverse osmosis effluent enters a reuse water tank for storage, and is supplied to a water point through a water supply pump.
The filter assembly also illustratively includes a filter backwash pump connected to the quartz sand filter, the activated carbon filter, the water softener, and a reuse water tank in the collection assembly, respectively.
In the embodiment of the application, the filter backwash pump can clean the quartz sand filter, the activated carbon filter and the water softener by using the water in the reuse water tank.
The raw water treated by the annealing wastewater treatment system provided by the application has the relevant indexes such as color, smell and taste, turbidity, chloride, nitrate, hexavalent chromium, mercury, sodium, total hardness, manganese, iron, arsenic, cadmium, lead, TDS and the like which all accord with the relevant index range.
In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "vertical", "horizontal", "lateral", "longitudinal", and the like refer to the directions or positional relationships based on the directions or positional relationships shown in the drawings. These terms are only used to better describe the present application and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.
Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present application will be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, the terms "mounted," "configured," "provided," "connected," and "connected" are to be construed broadly. For example, they may be fixedly connected, detachably connected, or of unitary construction, they may be mechanically or electrically connected, they may be directly connected, or they may be indirectly connected through intermediaries, or they may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, the terms "first," "second," and the like, are used primarily to distinguish between different devices, elements, or components (the particular species and configurations may be the same or different), and are not used to indicate or imply the relative importance and number of devices, elements, or components indicated. Unless otherwise indicated, the meaning of "a plurality" is two or more.
The foregoing is only a specific embodiment of the invention to enable those skilled in the art to understand or practice the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411965806.4A CN119750829A (en) | 2024-12-30 | 2024-12-30 | Annealing wastewater treatment system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202411965806.4A CN119750829A (en) | 2024-12-30 | 2024-12-30 | Annealing wastewater treatment system |
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| WO2014187296A1 (en) * | 2013-05-19 | 2014-11-27 | 波鹰(厦门)科技有限公司 | Regenerating and recycling apparatus and method for advanced treatment papermaking wastewater |
| CN204281479U (en) * | 2014-03-07 | 2015-04-22 | 上海雅沁环保设备有限公司 | A kind for the treatment of system of coating wastewater |
| CN105330060A (en) * | 2015-11-05 | 2016-02-17 | 四川新能水处理工程有限公司 | Graphene wastewater treating and recycling system and treating and recycling technology thereof |
| CN219950786U (en) * | 2023-06-14 | 2023-11-03 | 郑州亿众环境科技有限公司 | System for be used for handling stone material washing wastewater |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014187296A1 (en) * | 2013-05-19 | 2014-11-27 | 波鹰(厦门)科技有限公司 | Regenerating and recycling apparatus and method for advanced treatment papermaking wastewater |
| CN204281479U (en) * | 2014-03-07 | 2015-04-22 | 上海雅沁环保设备有限公司 | A kind for the treatment of system of coating wastewater |
| CN105330060A (en) * | 2015-11-05 | 2016-02-17 | 四川新能水处理工程有限公司 | Graphene wastewater treating and recycling system and treating and recycling technology thereof |
| CN219950786U (en) * | 2023-06-14 | 2023-11-03 | 郑州亿众环境科技有限公司 | System for be used for handling stone material washing wastewater |
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