CN223033191U - Multistage magnetic coagulation sedimentation system for sewage treatment - Google Patents
Multistage magnetic coagulation sedimentation system for sewage treatment Download PDFInfo
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- CN223033191U CN223033191U CN202422097238.2U CN202422097238U CN223033191U CN 223033191 U CN223033191 U CN 223033191U CN 202422097238 U CN202422097238 U CN 202422097238U CN 223033191 U CN223033191 U CN 223033191U
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Abstract
本实用新型提供了一种用于污水处理的多级磁混凝沉淀系统，目的是解决现有设备占地面积大、能耗高且水净化不彻底的技术问题。该系统包括进水单元、磁混凝沉淀池、过滤净化池、排泥单元和出水单元；进水单元与磁混凝沉淀池的上方连接，出水单元与过滤净化池连接，排泥单元与磁混凝沉淀池的底部连接；磁混凝沉淀池位于过滤净化池的内部，两者套设呈固定连接，磁混凝沉淀池的高度低于过滤净化池；磁混凝沉淀池包括依次串联连接的混凝池、絮凝池、深度搅拌池和沉淀池，过滤净化池包括过滤池和净水池吗，进水单元与磁粉投加装置连接，混凝池连接进水单元和PAC加药装置，絮凝池连接PAM加药装置，深度搅拌池连接PAC/PAM补投装置。本系统结构简单，能耗低，效果好。
The utility model provides a multi-stage magnetic coagulation sedimentation system for sewage treatment, aiming to solve the technical problems of large floor space, high energy consumption and incomplete water purification of existing equipment. The system includes a water inlet unit, a magnetic coagulation sedimentation tank, a filtration purification tank, a mud discharge unit and a water outlet unit; the water inlet unit is connected to the top of the magnetic coagulation sedimentation tank, the water outlet unit is connected to the filtration purification tank, and the mud discharge unit is connected to the bottom of the magnetic coagulation sedimentation tank; the magnetic coagulation sedimentation tank is located inside the filtration purification tank, and the two are set in a fixed connection, and the height of the magnetic coagulation sedimentation tank is lower than the filtration purification tank; the magnetic coagulation sedimentation tank includes a coagulation tank, a flocculation tank, a deep stirring tank and a sedimentation tank connected in series in sequence, the filtration purification tank includes a filtration tank and a water purification tank, the water inlet unit is connected to a magnetic powder dosing device, the coagulation tank is connected to the water inlet unit and the PAC dosing device, the flocculation tank is connected to the PAM dosing device, and the deep stirring tank is connected to the PAC/PAM supplementary dosing device. The system has a simple structure, low energy consumption and good effect.
Description
Technical Field
The utility model relates to the technical field of water treatment, in particular to a multistage magnetic coagulation sedimentation system for sewage treatment.
Background
The magnetic coagulation sedimentation technology is to synchronously add magnetic powder in the common coagulation sedimentation technology to combine the magnetic powder and the pollutant into a whole in order to strengthen the effects of coagulation and flocculation and make the generated flocculation have larger and stronger density, thereby achieving the purpose of high-speed sedimentation. The magnetic powder can be recycled through the magnetic drum. The residence time of the whole process is very short, so that the probability of occurrence of a reverse dissolution process for most pollutants including TP is very small, and in addition, the magnetic powder and the flocculating agent added into the system have good adsorption effect on bacteria, viruses, oil and various tiny particles, so that the pollutant removal effect is better than that of the traditional process.
In the existing technology for treating sewage by utilizing the magnetic coagulation technology, a magnetic coagulation tank and a magnetic flocculation tank are often designed separately from a sedimentation tank and a water purification tank, so that the occupied area is large, the water after magnetic powder coagulation and flocculation is led into the sedimentation tank, the filtered water after sedimentation is led into the purification tank for disinfection treatment so as to be purified into reusable domestic water, the water body needs the action of a water pump in the whole process, the energy consumption is increased, and in addition, a coagulation sedimentation device is operated, the formed large flocs are broken in the flowing process to influence the water quality of the water, so that the dosage is improved to ensure that the large flocs are not broken, but the method can lead to residual medicament in the water outlet to cause secondary pollution to the natural water body.
Therefore, the research of the magnetic coagulation sedimentation system with small occupied area, low energy consumption and good purification effect has very important significance.
Disclosure of utility model
The utility model aims to solve the technical problems of large occupied area, high energy consumption and incomplete water purification of the traditional magnetic coagulation sedimentation water treatment equipment, integrates the original equipment by improving the structure of the magnetic coagulation sedimentation tank, solves the problem of large occupied area, flows the pre-purified water subjected to magnetic coagulation, magnetic flocculation and sedimentation treatment into a filter tank by self gravity, flows into a water purifying tank through deep filtration purification of a filter layer at the bottom of the filter tank, and finally is treated into domestic drinking water for reuse.
The utility model adopts the following technical scheme to solve the technical problems:
A multistage magnetic coagulation sedimentation system for sewage treatment is characterized by comprising a water inlet unit, a magnetic coagulation sedimentation tank, a filtering and purifying tank, a sludge discharge unit and a water outlet unit;
The water inlet unit is connected with the upper part of the magnetic coagulation sedimentation tank, the water outlet unit is connected with the filtering and purifying tank, and the mud discharging unit is connected with the bottom of the magnetic coagulation sedimentation tank;
The magnetic coagulation sedimentation tank is positioned in the filtering and purifying tank, the magnetic coagulation sedimentation tank and the filtering and purifying tank are fixedly connected in a sleeved mode, and the magnetic coagulation sedimentation tank is lower than the filtering and purifying tank in height;
The magnetic coagulation sedimentation tank comprises a containing cavity a and a containing cavity b which are sleeved together, wherein the inner space of the containing cavity a is divided into a coagulation tank, a flocculation tank and a deep stirring tank which are sequentially connected in series by a partition plate a and a partition plate b, the inner space of the containing cavity b is a sedimentation tank, the sedimentation tank is positioned below the coagulation tank, the flocculation tank and the deep stirring tank, the coagulation tank is provided with a coagulation stirring device, the flocculation tank is provided with a flocculation stirring device, the deep stirring tank is provided with a deep stirring device, the coagulation tank is connected with a water inlet unit and a PAC dosing device, the flocculation tank is connected with a PAM dosing device, and the deep stirring tank is connected with a PAC/PAM supplementary feeding device.
The internal space of the filtering and purifying tank is divided into a filtering tank and a purifying tank which are arranged up and down by a filtering plate, and a supporting frame is arranged on the outer side surface of the filtering and purifying tank.
As a preferable technical scheme:
Optionally, the water inlet unit comprises a water inlet pipe, a water flowmeter is arranged on the water inlet pipe, and the water inlet pipe is connected with the magnetic powder feeding device.
Optionally, the sludge discharge unit comprises a sludge discharge pipe, a sludge pump arranged on the sludge discharge pipe and a sludge recovery unit connected with the other end of the sludge pump, and the sludge discharge pipe is connected with the bottom of the sedimentation tank.
Optionally, the sludge recovery unit is further connected with a magnetic powder recovery device, and the magnetic powder recovery device comprises a high-speed shearing machine connected with the sludge pump, a magnetic separator connected with the high-speed shearing machine, and a magnetic powder feeding device connected with the magnetic separator.
Optionally, the water outlet unit comprises a drain pipe, a water outlet valve arranged on the drain pipe, a water collecting tank connected with the other end of the water outlet valve and a water outlet pipe connected with the bottom of the water collecting tank.
Optionally, a water quality detector is arranged on the water collecting tank, the water collecting tank is also connected with the filter tank, and a conveying pump is also arranged on a pipeline connected with the water collecting tank and the filter tank.
Optionally, the bottom of the clean water tank is inclined by 5-15 degrees, and the drain pipe is arranged at the lowest position of the bottom of the clean water tank.
Optionally, the filter board is the milipore filter that is used for water purification, milipore filter from top to bottom includes stainless steel wire net layer I, non-woven fabrics layer I, active carbon layer, non-woven fabrics layer II and stainless steel wire net layer II.
Optionally, the coagulation stirring device, the flocculation stirring device and the deep stirring device comprise a driving motor, a connecting rod and a stirring head, wherein the driving motor is fixedly connected to the top of the filtering and purifying tank, and the partition plate a and the partition plate b are also fixedly connected to the top of the filtering and purifying tank.
Optionally, the tops of the coagulation stirring device, the flocculation stirring device and the deep stirring device are also connected with a lifting driving device for lifting and descending the coagulation stirring device, the flocculation stirring device and the deep stirring device.
Compared with the prior art, the utility model has the beneficial effects that:
1. The multistage magnetic coagulation sedimentation system for sewage treatment has the advantages of simple structure, convenient assembly, compact structure and small occupied area, and the coagulation tank and the flocculation tank are connected and arranged in the sedimentation tank, and the sedimentation tank is arranged in the filtering and purifying tank, so that the whole equipment is integrated, the treatment effect is efficient and stable, the matched equipment and the energy consumption are saved, and the occupied area is reduced compared with the prior art.
2. According to the multistage magnetic coagulation sedimentation system for sewage treatment, the deep stirring tank is arranged behind the flocculation tank, and coagulant and/or flocculant can be added in the deep stirring tank according to the effluent quality of the sedimentation tank, so that the dosage of the medicament is reduced on the basis of ensuring that suspended matters in effluent reach the standard stably, and secondary pollution of the medicament to water is avoided.
3. According to the multistage magnetic coagulation sedimentation system for sewage treatment, the ultrafiltration plate is arranged at the bottom of the filter tank, so that water is further purified, and the water quality cleanliness is ensured.
4. According to the multistage magnetic coagulation sedimentation system for sewage treatment, the discharged sludge is recycled, and the magnetic powder is added into the coagulation tank after being separated again, so that the cost is effectively saved.
5. According to the multistage magnetic coagulation sedimentation system for sewage treatment, the coagulation stirring device, the flocculation stirring device and the deep stirring device are provided with the lifting driving device, so that when the coagulation sedimentation tank needs to be cleaned after long-term use, the lifting driving device takes out each stirring device from the sedimentation tank, the whole assembly line does not need to be stopped completely, sediment in the bottom tank is conveniently cleaned, and the production efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a multistage magnetic coagulation sedimentation system for wastewater treatment according to the present utility model;
FIG. 2 is a schematic view of a filter plate according to the present utility model;
reference numerals:
1-a water inlet pipe, 2-a water flowmeter, 3-a magnetic powder feeding device, 4-a water outlet pipe, 5-a water outlet valve, 6-a water collecting tank, 7-a water outlet pipe, 8-a water quality detector, 9-a sludge discharge pipe, 10-a sludge pump, 11-a sludge recovery unit, 12-a magnetic powder recovery device, 13-a partition plate a, 14-a partition plate b, 15-a coagulation tank, 16-a flocculation tank, 17-a deep stirring tank, 18-a sedimentation tank, 19-a filter plate, 20-a filter tank, 21-a water purifying tank, 22-a conveying pump, 23-a support frame, 24-a lifting driving device and 25-a water inlet and outlet;
150-PAC dosing device, 160-PAM dosing device and 170-PAC/PAM supplementing device;
1500-coagulation stirring device, 1600-flocculation stirring device, 1700-deep stirring device;
190-stainless steel wire mesh layer I, 191-non-woven fabric layer I, 192-active carbon layer, 193-non-woven fabric layer II and 194-stainless steel wire mesh layer II.
Detailed Description
Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships conventionally placed in use of the product of the present utility model, or orientations or positional relationships conventionally understood by those skilled in the art, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, or in communication, directly connected, or indirectly connected via an intervening medium, or in communication between two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The following disclosure provides many different embodiments, or examples, for implementing different features of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the utility model. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed.
In addition, the present utility model provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.
Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
The embodiment of the utility model provides a multistage magnetic coagulation sedimentation system for sewage treatment, which comprises a water inlet unit, a magnetic coagulation sedimentation tank, a filtering and purifying tank, a sludge discharge unit and a water outlet unit as shown in figure 1.
The water inlet unit is connected with the upper part of the magnetic coagulation sedimentation tank and comprises a water inlet pipe 1, a water flow meter 2 is arranged on the water inlet pipe 1, and the water inlet pipe 1 is also connected with a magnetic powder feeding device 3.
The water outlet unit is connected with the filtering and purifying tank, and comprises a drain pipe 4, a water outlet valve 5 arranged on the drain pipe 4, a water collecting tank 6 connected with the other end of the water outlet valve 5 and a water outlet pipe 7 connected with the bottom of the water collecting tank 6, wherein the water collecting tank 6 is also provided with a water quality detector 8, and when the water quality detector detects that the water quality does not meet the requirement in use, the water in the water collecting tank can be further circulated into the filtering tank for purification.
The sludge discharge unit is connected with the bottom of the magnetic coagulation sedimentation tank and comprises a sludge discharge pipe 9, a sludge pump 10 arranged on the sludge discharge pipe 9 and a sludge recovery unit 11 connected with the other end of the sludge pump 10. The sludge recovery unit 11 is also connected with a magnetic powder recovery device 12, wherein the magnetic powder recovery device comprises a high-speed shearing machine connected with a sludge pump, a magnetic separator connected with the high-speed shearing machine, and a magnetic powder feeding device 3 connected with the magnetic separator. The high-speed shearing machine and the magnetic separator are not shown in the drawings, and are consistent with the existing device, part of magnetic powder in the magnetic powder recovery device can be used for other systems, and the other part of the magnetic powder can enter the magnetic powder feeding device to enter the water inlet pipe to flow into the coagulation tank so as to realize recycling.
The magnetic coagulation sedimentation tank is located inside the filtration purification tank, the magnetic coagulation sedimentation tank and the filtration purification tank are fixedly connected in a sleeved mode, the magnetic coagulation sedimentation tank is lower than the filtration purification tank in height, a gap is formed between the magnetic coagulation sedimentation tank and the filtration purification tank, impurities after magnetic coagulation reaction and magnetic flocculation reaction are precipitated at the bottom of the sedimentation tank, and upper clean water flows out of the top of the magnetic coagulation sedimentation tank and flows into the filtration purification tank for further filtration and purification, so that the water purification effect is improved, and the energy consumption is reduced.
The magnetic coagulation sedimentation tank comprises a containing cavity a and a containing cavity b which are sleeved together, wherein the inner space of the containing cavity a is divided into a coagulation tank 15, a flocculation tank 16 and a deep stirring tank 17 which are sequentially connected in series by a division plate a 13 and a division plate b 14, the inner space of the containing cavity b is a sedimentation tank 18, and the sedimentation tank 18 is positioned below the coagulation tank 15, the flocculation tank 16 and the deep stirring tank 17. The coagulation tank 15 is connected with the water inlet pipe 1 of the water inlet unit and the PAC dosing device 150, the flocculation tank 16 is connected with the PAM dosing device 160, and the deep stirring tank 17 is connected with the PAC/PAM supplementing device 170. The coagulation tank 15 is internally provided with a coagulation stirring device 1500, the flocculation tank 16 is internally provided with a flocculation stirring device 1600, the deep stirring tank 17 is internally provided with a deep stirring device 1700, the coagulation stirring device 1500, the flocculation stirring device 1600 and the deep stirring device 1700 all comprise a driving motor, a connecting rod and a stirring head, the driving motor is fixedly connected to the top of the filtering and purifying tank, and the partition plate a 13 and the partition plate b 14 are also fixedly connected to the top of the filtering and purifying tank. The partition plate a 13, the partition plate b 14 and the side wall of the accommodating cavity a are provided with water outflow inlets 25 which are arranged in a staggered manner.
The internal space of the filtering and purifying tank is divided into a filtering tank 20 and a purifying tank 21 which are arranged up and down by a filtering plate 19, the water collecting tank 6 is also connected with the filtering tank 20, a conveying pump 22 is further arranged on a pipeline connecting the water collecting tank 6 and the filtering tank 20, the tank bottom of the purifying tank 21 is inclined by 5-15 degrees, and a drain pipe 4 is arranged at the lowest position of the tank bottom.
The filter plate 19 is an ultrafiltration plate for purifying water, and comprises a stainless steel wire mesh layer I190, a non-woven fabric layer I191, an activated carbon layer 192, a non-woven fabric layer II 193 and a stainless steel wire mesh layer II 194 from top to bottom, as shown in figure 2.
The mud discharging pipe 9 is connected with the bottom of the sedimentation tank 18, and a supporting frame 23 is arranged on the outer side face of the filtering tank 20 of the filtering and purifying tank.
The top of the coagulation stirring device 1500, the flocculation stirring device 1600 and the deep stirring device 1700 is also connected with a lifting driving device 24 for lifting and lowering the coagulation stirring device, the flocculation stirring device and the deep stirring device.
Claims (10)
1. A multistage magnetic coagulation sedimentation system for sewage treatment is characterized by comprising a water inlet unit, a magnetic coagulation sedimentation tank, a filtering and purifying tank, a sludge discharge unit and a water outlet unit;
The water inlet unit is connected with the upper part of the magnetic coagulation sedimentation tank, the water outlet unit is connected with the filtering and purifying tank, and the mud discharging unit is connected with the bottom of the magnetic coagulation sedimentation tank;
The magnetic coagulation sedimentation tank is positioned in the filtering and purifying tank, the magnetic coagulation sedimentation tank and the filtering and purifying tank are fixedly connected in a sleeved mode, and the magnetic coagulation sedimentation tank is lower than the filtering and purifying tank in height;
The magnetic coagulation sedimentation tank comprises a containing cavity a and a containing cavity b which are sleeved together, wherein the inner space of the containing cavity a is divided into a coagulation tank, a flocculation tank and a deep stirring tank which are sequentially connected in series by a division plate a and a division plate b, the inner space of the containing cavity b is a sedimentation tank, the sedimentation tank is positioned below the coagulation tank, the flocculation tank and the deep stirring tank, a coagulation stirring device is arranged in the coagulation tank, a flocculation stirring device is arranged in the flocculation tank, and a deep stirring device is arranged in the deep stirring tank;
The internal space of the filtering and purifying tank is divided into a filtering tank and a purifying tank which are arranged up and down by a filtering plate, and a supporting frame is arranged on the outer side surface of the filtering and purifying tank.
2. The multistage magnetic coagulation sedimentation system for sewage treatment according to claim 1, wherein the water inlet unit comprises a water inlet pipe, a water flowmeter is arranged on the water inlet pipe, and the water inlet pipe is connected with a magnetic powder feeding device.
3. The multistage magnetic coagulation sedimentation system for sewage treatment according to claim 2, wherein the sludge discharging unit comprises a sludge discharging pipe, a sludge pump arranged on the sludge discharging pipe and a sludge recycling unit connected with the other end of the sludge pump, and the sludge discharging pipe is connected with the bottom of the sedimentation tank.
4. A multistage magnetic coagulation sedimentation system for sewage treatment, as set forth in claim 3, wherein the sludge recovery unit is further connected with a magnetic powder recovery device comprising a high-speed shearing machine connected with the sludge pump, a magnetic separator connected with the high-speed shearing machine, and the magnetic powder feeding device connected with the magnetic separator.
5. The multistage magnetic coagulation sedimentation system for sewage treatment according to claim 1, wherein the water outlet unit comprises a water outlet pipe, a water outlet valve arranged on the water outlet pipe, a water collecting tank connected with the other end of the water outlet valve and a water outlet pipe connected with the bottom of the water collecting tank.
6. The multistage magnetic coagulation sedimentation system for sewage treatment according to claim 5, wherein a water quality detector is arranged on the water collecting tank, the water collecting tank is further connected with the filter tank, and a conveying pump is further arranged on a pipeline connecting the water collecting tank and the filter tank.
7. The multistage magnetic coagulation sedimentation system for sewage treatment according to claim 5, wherein the bottom of the clean water tank is inclined at 5-15 degrees, and the drain pipe is arranged at the lowest position of the bottom.
8. The multistage magnetic coagulation sedimentation system for sewage treatment according to claim 1, wherein the filter plate is an ultrafiltration plate for water purification, and the ultrafiltration plate comprises a stainless steel wire mesh layer I, a non-woven fabric layer I, an activated carbon layer, a non-woven fabric layer II and a stainless steel wire mesh layer II from top to bottom.
9. The multistage magnetic coagulation sedimentation system for sewage treatment according to claim 1, wherein the coagulation stirring device, the flocculation stirring device and the deep stirring device comprise a driving motor, a connecting rod and a stirring head, the driving motor is fixedly connected to the top of the filtration and purification tank, and the partition plate a and the partition plate b are also fixedly connected to the top of the filtration and purification tank.
10. The multistage magnetic coagulation sedimentation system for sewage treatment according to claim 9, wherein the tops of the coagulation stirring device, the flocculation stirring device and the deep stirring device are further connected with a lifting driving device for lifting and lowering the coagulation stirring device, the flocculation stirring device and the deep stirring device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202422097238.2U CN223033191U (en) | 2024-08-28 | 2024-08-28 | Multistage magnetic coagulation sedimentation system for sewage treatment |
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| CN202422097238.2U CN223033191U (en) | 2024-08-28 | 2024-08-28 | Multistage magnetic coagulation sedimentation system for sewage treatment |
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