CN115043528A - Integrated pretreatment purifying equipment - Google Patents
Integrated pretreatment purifying equipment Download PDFInfo
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- CN115043528A CN115043528A CN202210885226.9A CN202210885226A CN115043528A CN 115043528 A CN115043528 A CN 115043528A CN 202210885226 A CN202210885226 A CN 202210885226A CN 115043528 A CN115043528 A CN 115043528A
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- purification
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- 239000010865 sewage Substances 0.000 claims abstract description 93
- 238000000746 purification Methods 0.000 claims abstract description 72
- 238000006243 chemical reaction Methods 0.000 claims abstract description 60
- 239000012528 membrane Substances 0.000 claims abstract description 34
- 239000000463 material Substances 0.000 claims abstract description 10
- 238000005273 aeration Methods 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 64
- 238000005345 coagulation Methods 0.000 claims description 35
- 230000015271 coagulation Effects 0.000 claims description 35
- 238000011010 flushing procedure Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 15
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 13
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 13
- 241001330002 Bambuseae Species 0.000 abstract description 13
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 13
- 239000011425 bamboo Substances 0.000 abstract description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000012856 packing Methods 0.000 abstract 1
- 238000007599 discharging Methods 0.000 description 20
- 239000013049 sediment Substances 0.000 description 15
- 238000001914 filtration Methods 0.000 description 10
- 239000003814 drug Substances 0.000 description 8
- 238000011001 backwashing Methods 0.000 description 7
- 239000012535 impurity Substances 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- 239000007787 solid Substances 0.000 description 7
- 238000001223 reverse osmosis Methods 0.000 description 6
- 230000000630 rising effect Effects 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 238000005342 ion exchange Methods 0.000 description 5
- 230000007774 longterm Effects 0.000 description 5
- 239000002244 precipitate Substances 0.000 description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000011574 phosphorus Substances 0.000 description 4
- 229910052698 phosphorus Inorganic materials 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000002352 surface water Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 101100314150 Caenorhabditis elegans tank-1 gene Proteins 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- -1 fluorine ions Chemical class 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
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- 230000001932 seasonal effect Effects 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention relates to the technical field of sewage treatment, and particularly discloses integrated pretreatment and purification equipment which can improve the production capacity of the traditional sewage treatment process and has the advantage of small occupied area. Its structure includes the purification tank, be provided with the cylinder that thoughtlessly congeals in the purification tank, the upside of the cylinder that thoughtlessly congeals is provided with the back taper reaction vessel, be provided with the dirty section of thick bamboo of collection in the reaction vessel, the bottom of the dirty section of thick bamboo that gathers is provided with communicating pipe, and the lower extreme intercommunication of communicating pipe communicates to the reaction vessel outside, and the communicating pipe lower extreme has switch valve, the reaction vessel top is provided with filter layer, mounting bracket by the filter material packing, is provided with at least one dull and stereotyped membrane unit on the mounting bracket, and dull and stereotyped membrane unit upper portion is provided with the outlet pipe, just dull and stereotyped membrane sub-unit connection has the aeration pipe, the purification tank bottom is provided with waste fitting, the purification tank lower part is provided with the inlet tube, the inlet tube extends to the cylinder that thoughtlessly congeals from the outer wall tangential of purification tank lower extreme to communicate to in the cylinder thoughtlessly congeals.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to integrated pretreatment and purification equipment.
Background
Aiming at the characteristics of high hardness, high suspended matter content, high alkalinity or over-standard phosphorus and fluorine content of desalted raw water, conventional high suspended matter surface water, industrial production water and the like. How to carry out the preliminary treatment to this kind of water, further guarantee the long-term steady operation of advanced treatment unit such as follow-up reverse osmosis unit, ion exchange unit, improve the productivity of traditional sewage treatment process, guarantee safe water supply has become the important problem that water supply and drainage and industrial process water industry need solve.
First, the pretreatment in the prior art is mostly carried out by a combined process of an adjusting tank, a reaction tank, a sedimentation tank and a filtering device, and the occupied area is large.
Secondly, the treatment effect of the existing sewage pretreatment system is not thorough, and the operation cost is high.
Disclosure of Invention
The invention aims to: in view of the background, the integrated pretreatment and purification equipment is provided, is used for sewage pretreatment, can ensure long-term stable operation of advanced treatment devices such as a subsequent reverse osmosis device, an ion exchange device and the like, improves the production capacity of the traditional sewage treatment process, and has the advantage of small occupied area.
In order to achieve the purpose, the invention adopts the following technical scheme:
an integrated pretreatment purification device comprises a purification tank which is vertically arranged, wherein a cylindrical coagulation cylinder is arranged in the purification tank, an inverted cone-shaped reaction cylinder is arranged on the upper side of the coagulation cylinder, the bottom end of the coagulation cylinder is fixed at the bottom in the purification tank, the lower end of the reaction cylinder is butted with the upper end of the coagulation cylinder, the periphery of the upper end is connected with the inner wall of the purification tank, a dirt collecting cylinder is coaxially arranged in the reaction cylinder, the bottom of the dirt collecting cylinder is closed and is provided with an opening at the top, a communicating pipe which inclines downwards is arranged at the bottom of the dirt collecting cylinder, the lower end of the communicating pipe is communicated to the outer side of the reaction cylinder, the upper end of the communicating pipe is communicated with the inside of the dirt collecting cylinder, a switch valve is arranged on the communicating pipe, a filter layer filled by filter materials is arranged above the reaction cylinder, a mounting frame is arranged above the filter layer, at least one flat plate membrane device is arranged on the mounting frame, and a water outlet pipe is arranged on the upper part of the flat plate membrane device, and the lower part of the flat membrane is connected with an aeration pipe, the bottom of the purification tank outside the coagulation cylinder is provided with a sewage discharge device, the lower part of the purification tank is provided with a water inlet pipe, and the water inlet pipe extends to the coagulation cylinder from the outside of the purification tank and is communicated into the coagulation cylinder from the outer wall of the lower end of the coagulation cylinder in a tangential direction.
On the basis of the above scheme and as a preferable scheme of the scheme: the dirt collecting cylinder is fixedly connected to the reaction cylinder through a support rod.
On the basis of the above scheme and as a preferable scheme of the scheme: the lower end of the sewage collection cylinder is of a guide structure which is folded inwards, the inner bottom of the sewage collection cylinder is provided with an upwards-protruding conical bottom plate, the lower edge of the conical bottom plate is connected with the inner edge of the lower side of the guide structure, and the upper end of the communicating pipe is connected to the guide structure and is tangent to the conical surface of the conical bottom plate.
On the basis of the above scheme and as a preferable scheme of the scheme: the upper edge of the sewage collecting cylinder is higher than the reaction cylinder, and the upper end of the sewage collecting cylinder is provided with a trumpet-shaped collecting part which expands outwards.
On the basis of the above scheme and as a preferable scheme of the scheme: the sewage discharging device comprises a sewage discharging ring pipe which is arranged at the bottom in the purifying tank in a surrounding way and a sewage discharging pipe which extends into the purifying tank from the outside of the purifying tank and is communicated with the sewage discharging ring pipe, wherein a sewage outlet is formed in the sewage discharging ring pipe, and a sewage discharging valve is arranged at the end of the sewage discharging pipe, which is far away from the direction of the sewage discharging ring pipe.
On the basis of the above scheme and as a preferable scheme of the scheme: and a clarified water guide pipe is arranged on the purification tank and is positioned below the upper edge of the reaction cylinder.
On the basis of the above scheme and as a preferable scheme of the scheme: the filter layer comprises an upper filter plate and a lower filter plate which are fixedly connected to the inner wall of the purifying tank, a light filter material is filled between the upper filter plate and the lower filter plate, and a filter head is arranged on a water passing hole of the upper filter plate.
On the basis of the above scheme and as a preferable scheme of the scheme: and a back flushing pipe is also arranged at the joint of the water outlet pipe and the flat membrane device.
On the basis of the above scheme and as a preferable scheme of the scheme: an overflow port is arranged on the upper part of the purification tank close to the upper edge.
On the basis of the above scheme and as a preferable scheme of the scheme: an inclined tube is arranged between the filter layer and the reaction cylinder.
The invention has the beneficial effects that:
the integrated pretreatment purification equipment is used for sewage pretreatment.
The integrated pretreatment purification equipment provided by the invention realizes separation and purification of solid particle impurities and water through physical and chemical adsorption, improves the purification capacity of self pretreatment, and ensures long-term stable operation of advanced treatment devices such as a subsequent reverse osmosis device, an ion exchange device and the like, thereby improving the production capacity of the traditional sewage treatment process.
The integrated pretreatment purification equipment disclosed by the invention realizes that the sewage entering the integrated pretreatment purification equipment automatically mixes the sewage and the medicament through quick rotational flow by virtue of the self structure, then automatically precipitates and clarifies the sewage mixed with the medicament, and automatically realizes solid-liquid separation (precipitates solid particle impurities to separate out clear water).
The integrated pretreatment purifying equipment disclosed by the invention can be used for carrying out enhanced filtration on clear water through the flat membrane device so as to fully guarantee the pretreatment effect. More particularly, the integrated pretreatment purifying equipment is of an integrated vertical design structure, and a conventional combination mode of an adjusting tank, a reaction tank, a sedimentation tank and a filtering device is not arranged, so that the integrated pretreatment purifying equipment has the advantages of compact and reasonable structure, small occupied area and high treatment efficiency.
Drawings
FIG. 1 is a schematic view of the integrated pretreatment purification apparatus of the present invention;
FIG. 2 is an enlarged view of part A of the present invention.
In the figure: the device comprises a purification tank-1, a coagulation cylinder-2, a reaction cylinder-3, a sewage collecting cylinder-4, a communicating pipe-5, a switch valve-6, a filter material-7, a filter layer-8, a mounting rack-9, a flat membrane device-10, a water outlet pipe-11, a water inlet pipe-12, a support rod-13, a guide structure-14, a conical bottom plate-15, a collection part-16, a sewage ring pipe-17, a sewage pipe-18, a sewage valve-19, a clarified water guide pipe-20, an upper filter plate-21, a lower filter plate-22, a filter head-23, a backwashing pipe-24, an overflow port-25, an inclined pipe-26, an observation window-27, an emptying pipe-28 and an aeration pipe-29.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-2, an integrated pretreatment purification apparatus is disclosed, which is used for sewage pretreatment, and can ensure long-term stable operation of advanced treatment devices such as a subsequent reverse osmosis device, an ion exchange device and the like, and improve the production capacity of the conventional sewage treatment process.
In the disclosed embodiment, as shown in fig. 1, the integrated pretreatment purification device comprises a vertically arranged straight cylindrical purification tank 1, a cylindrical coagulation cylinder 2 is arranged in the purification tank 1, an inverted cone-shaped reaction cylinder 3 is arranged on the upper side of the coagulation cylinder 2, the bottom end of the coagulation cylinder 2 is hermetically fixed at the bottom in the purification tank 1, the lower end of the reaction cylinder 3 is hermetically butted with the upper end of the coagulation cylinder 2, the periphery of the upper end is hermetically connected with the inner wall of the purification tank 1, a dirt collection cylinder 4 is coaxially arranged in the reaction cylinder 3, the bottom of the dirt collection cylinder 4 is closed, the top of the dirt collection cylinder 4 is open, a downward inclined communicating pipe 5 is arranged at the bottom of the dirt collection cylinder 4, the lower end of the communicating pipe 5 is communicated with the outside of the reaction cylinder 3, the upper end of the communicating pipe is communicated with the inside of the dirt collection cylinder 4, a switch valve 6 capable of plugging the lower end of the communicating pipe 5 is arranged on the outside of the reaction cylinder 3, a filter layer 8 filled by a filter material 7 is arranged above the reaction cylinder 3, the upper part of the filtering layer 8 is provided with a mounting rack 9 fixedly connected to the inner wall of the purification tank 1, the mounting rack 9 is provided with at least one flat membrane device 10, the upper part of the flat membrane device 10 is provided with a water outlet pipe 11 capable of pumping water from the flat membrane device 10, the lower part of the flat membrane device is connected with an aeration pipe 29 for aeration, the bottom of the purification tank 1 outside the coagulation cylinder 2 is provided with a sewage discharge device, the lower part of the purification tank 1 is provided with a water inlet pipe 12, the water inlet pipe 12 extends from the outside of the purification tank 1 to the coagulation cylinder 2 and is communicated into the coagulation cylinder 2 from the tangential direction of the outer wall at the lower end of the coagulation cylinder 2.
In the sewage treatment process of the embodiment of the disclosure, before the sewage enters the water inlet pipe 12, chemical substances such as sodium carbonate, sodium hydroxide, calcium hydroxide and the like for removing calcium, magnesium, silicon, phosphorus and fluorine ions are added, meanwhile, medicaments (polyaluminium chloride and polyacrylamide) are also added after the chemical substances are added, the sewage added with the medicaments enters the coagulation cylinder 2 from the tangential direction of the circle of the coagulation cylinder 2 through the water inlet pipe 12, then the sewage continuously rises along the purification tank 1 after passing through the coagulation cylinder 2 and the reaction cylinder 3, solid particle impurities are separated through precipitation in the rising process, clear water is separated out, and the separated clear water is filtered by the flat membrane device 10 and then is pumped out through the water outlet pipe 11. The method comprises the following specific steps:
the sewage added with the medicament enters the coagulation cylinder 2 from the circular tangential direction of the coagulation cylinder 2 through the water inlet pipe 12, and the sewage enters the coagulation cylinder 2 from the circular tangential direction to form a rapidly rotating vortex in the coagulation cylinder 2 and is in a spiral rising state, so that the medicament and the sewage are rapidly mixed in the coagulation cylinder 2, and the sewage and the medicament are fully mixed and then enter the reaction cylinder 3 in a spiral manner; due to the inverted cone-shaped design structure of the reaction cylinder 3, the rotating speed of the water flow of the sewage mixed with the medicament entering the reaction cylinder 3 from the coagulation cylinder 2 is gradually reduced, and at the moment, flocculation reaction starts to occur in the reaction cylinder 3 so as to capture solid particle impurities of the sewage; sewage flocculates in the reaction cylinder 3 and continuously rises along the purification tank 1, after the sewage enters the purification tank 1 above the reaction cylinder 3, flocculent nets which capture solid particle impurities capture each other, collide, coagulate and grow to gradually start to precipitate, and because the water flow is in a spiral rising state, the precipitate is automatically gathered near the middle axis of the purification tank 1 and sinks, so that clean water can be separated out in the upper layer direction of the purification tank 1; the sediment automatically enters the sewage collecting cylinder 4 to be collected in the process of sinking; then the sediment in the sewage collecting cylinder 4 can enter a sewage collecting chamber formed among the concrete cylinder 2, the reaction cylinder 3 and the purifying tank 1 from the communicating pipe 5; and discharging the sediment out of the purifying pool 1 through a sewage discharging device after the sediment is collected in the sewage collecting chamber; wherein the clear water separated out in the upper part of the reaction cylinder 3 is filtered by the filter layer 8 after rising, and then is extracted from the water outlet pipe 11 after being purified by the flat membrane device 10.
Through the means, the separation and purification of solid particle impurities and water are realized through physical and chemical adsorption, the purification capacity of self pretreatment is improved, and the long-term stable operation of advanced treatment devices such as a subsequent reverse osmosis device and an ion exchange device is ensured so as to improve the production capacity of the traditional sewage treatment process. Meanwhile, clear water is subjected to enhanced filtration through the flat membrane device, so that the pretreatment effect is fully guaranteed. More particularly, the integrated pretreatment purifying equipment is of an integrated vertical design structure, and a conventional combination mode of an adjusting tank, a reaction tank, a sedimentation tank and a filtering device is not arranged, so that the integrated pretreatment purifying equipment has the advantages of compact and reasonable structure, small occupied area and high treatment efficiency.
Wherein, dirty section of thick bamboo 4 of collection can also keep apart the rivers that reaction cylinder 3 spiral rises and to the adverse effect that the sediment sinks and bring.
The flat membrane device 10 is used for filtering through a membrane module, the membrane module is provided with an MBR membrane, specifically, an immersed flat membrane can be adopted, and the aperture of the filtering is 0.01-0.4 um; wherein the aeration pipe 29 can clean the flat membrane device 10 by an aeration mode, and solid impurities can not be attached to a filtering membrane (MBR membrane) by the aeration mode in the sewage treatment process.
Wherein, the switch valve 6 can control the opening and closing of the communicating pipe 5. If the communicating pipe 5 is normally opened, the heavy sediments in the sewage collecting barrel 4 can naturally enter a sewage collecting chamber formed among the concrete barrel 2, the reaction barrel 3 and the purifying tank 1 through the communicating pipe 5. But after having switch valve 6, can set up communicating pipe 5 normal close, then when opening switch valve 6 at the waste fitting discharging, waste fitting discharging just can form the negative pressure to communicating pipe 5 like this to this promotes sediment from a dirty section of thick bamboo 4 entering collection dirt room of collection.
In some embodiments, a flat membrane device 10 is provided on the mounting frame 9 to improve water purification efficiency.
In some embodiments, the dirt collecting cylinder 4 can be directly supported by the communicating tube 5 to be fixed on the reaction cylinder 3.
In the embodiment of the present disclosure, the dirt collecting cylinder 4 is strengthened by the support rod 13, so that the dirt collecting cylinder 4 is firmly and fixedly connected to the reaction cylinder 3. Because dirty section of thick bamboo 4 of collection is in on the positive jackshaft line of reaction cylinder 3, so reaction cylinder 3 is the rivers that spiral shell screwing in rises and can act on dirty section of thick bamboo 4 of collection and make dirty section of thick bamboo 4 of collection produce the vibration, so through the enhancement of bracing piece 13, reduce the vibration of dirty section of thick bamboo 4 of collection in sewage treatment process, avoid vibrating the subsidence of the sediment in the dirty section of thick bamboo 4 of influence collection.
In some embodiments, the lower end of the dirt collecting cylinder 4 is in a straight cylinder shape, and the bottom of the dirt collecting cylinder is an arc bottom or a plane bottom which converges downwards.
In the embodiment of the present disclosure, the lower end of the dirt collecting cylinder 4 is a guiding structure 14 which is folded inwards, the inner bottom of the dirt collecting cylinder 4 is provided with a convex conical bottom plate 15, the lower edge of the conical bottom plate 15 is connected with the inner edge of the lower side of the guiding structure 14, the upper end of the communicating pipe 5 is connected with the conical surface of the guiding structure 14, which is tangent to the conical bottom plate 15, the sediment which sinks to the dirt collecting cylinder 4 is about to reach the bottom of the dirt collecting cylinder 4, so that the sediment is guided by the guiding structure 14 and the conical bottom plate 15, and the upper end of the communicating pipe 5 is connected with the conical surface of the guiding structure 14, which is tangent to the conical bottom plate 15, so the sediment at the bottom of the dirt collecting cylinder 4 can smoothly enter the communicating pipe 5.
In some embodiments, the position of the upper edge of the dirt collecting cylinder 4 is flush with or lower than the reaction cylinder 3, but since there is a relatively strong spiral rising water flow in the reaction cylinder 3, this condition is not favorable for the sediment to sink and the sediment to be collected by the dirt collecting cylinder 4.
In the embodiment of the present disclosure, the position of going up along the dirty section of thick bamboo 4 of collection is higher than reaction cylinder 3, just the upper end of the dirty section of thick bamboo 4 of collection has the collection portion 16 that is the outside expansion of loudspeaker form, and the position is higher than reaction cylinder 3 along going up through the dirty section of thick bamboo 4 of collection in order to avoid influencing the heavy stronger spiral rivers district section of thick bamboo that the precipitate sinks, forms great collection area through the collection portion 16 that is the outside expansion of loudspeaker form simultaneously in order to effectively collect the precipitate better.
In some embodiments, the sewage draining device comprises a sewage cleaning pump arranged at the bottom of a sewage collecting chamber formed between the concrete cylinder 2, the reaction cylinder 3 and the purifying tank 1, and then the sediment is discharged out of the purifying tank 1 through a sewage cleaning pipeline connected to the sewage cleaning pump.
In the embodiment of the disclosure, the sewage discharging device comprises a sewage discharging ring pipe 17 arranged at the bottom in the purifying tank 1 around the concrete cylinder 2, and a sewage discharging pipe 18 extending from the outside of the purifying tank 1 into the purifying tank 1 and communicated with the sewage discharging ring pipe 17, wherein a sewage outlet is arranged on the sewage discharging ring pipe 17, and a sewage discharging valve 19 is arranged at the end of the sewage discharging pipe 18 far away from the direction of the sewage discharging ring pipe 17; in this way, the sludge can be easily discharged into the sewage loop 17 through the sewage outlet by opening the sewage valve 19, and then discharged out of the purification tank 1 under the guidance of the sewage pipe 18. The scheme is characterized in that the circularly arranged sewage discharge ring pipe 17 can absorb sediments at the bottom in the sewage collection chamber in an all-around manner, and meanwhile, an additional power device of other external power sources is not needed in the sewage discharge process.
In the embodiment of the present disclosure, a clarified water conduit 20 is disposed on the purification tank 1, the clarified water conduit 20 is located below the upper edge of the reaction cylinder 3, as can be seen from fig. 1, the clarified water conduit 20 is located below the upper edge of the reaction cylinder 3 and is located at the upper part of a sewage collection chamber formed among the coagulation cylinder 2, the reaction cylinder 3 and the purification tank 1, so that the clarified water in the sewage collection chamber can be guided to the water inlet pipe 12 to enter the water inlet pipe 12 again and be purified by arranging a corresponding connecting pipeline on the clarified water conduit 20.
In some embodiments, the filter material 7 of the filter layer 8 may be stone particles or a ceramic layer.
In the embodiment of the disclosure, as shown in fig. 2, the filter layer 8 includes an upper filter plate 21 and a lower filter plate 22 fixedly connected to the inner wall of the purification tank 1, a light filter material 7 is filled between the upper filter plate 21 and the lower filter plate 22, and a filter head 23 is arranged on a water through hole of the upper filter plate 21, so that rising clean water enters the upper part of the purification tank 1 from the filter head 23 after being filtered by the filter material 7 layer, and then can be purified by the flat membrane device 10.
Wherein, the light filter material 7 can be foam filter beads, plastic balls, fiber balls and the like, and the filtration specification is 5-50 mm.
In the embodiment of the disclosure, an inclined tube 26 is arranged between the filter layer 8 and the reaction cylinder 3, and an interception layer is formed by the inclined tube 26, so that the middle-sized flocs contained in the clean water can be further intercepted and precipitated through the inclined tube 26 in the ascending process, so that the ascending water is clearer. The clean water which then rises is filtered by the filter layer 8 to form finer flocs.
In some embodiments, the flat sheet membrane device 10 does not have a backwash pipe 24, which prevents backwashing of the flat sheet membrane device 10 and makes maintenance inconvenient.
In the embodiment of the present disclosure, a back-washing pipe 24 is further disposed at a connection position of the water outlet pipe 11 and the flat membrane device 10, during back washing, water is pumped into the back-washing pipe 24 through an external back-washing pump to clean the flat membrane device 10, and during back washing, a chemical cleaning agent can be added as required.
In the embodiment of the present disclosure, an overflow port 25 is further disposed at a position on the upper portion of the purification tank 1 near the upper edge.
In the embodiment of the present disclosure, the purification tank 1 is further provided with an observation window 27, and the observation window 27 is located between the inclined tube 26 and the reaction cylinder 3, or is directly arranged at a position close to the reaction cylinder 3, so as to conveniently observe whether the water quality above the reaction cylinder 3 is clear. Further, the water inlet pipe 12 can be further provided with a vent pipe 28 capable of venting water in the purification tank 1 when the integrated pretreatment purification device is overhauled.
The integrated pretreatment purifying equipment provided by the invention is an integrated vertical design structure, the whole structure of the device is compact, the device is in a vertical distribution structure, the spatial arrangement is reasonable, the equipment volume is greatly reduced, the occupied area is small, the investment is saved, the maintenance amount is small, the construction period is short, the integrated pretreatment purifying equipment can be manufactured into integrated complete equipment, and the transportation is convenient.
The integrated pretreatment purification equipment can be used for treating surface water (suspended matters are as high as 1000-4000mg/L) such as rainwater and flood during the seasonal period, and the discharged water can reach 10mg/L at one time. After reverse osmosis inlet water is treated (the concentration of calcium and magnesium is about 2000 mg/L), the outlet water can reach 100-200mg/L at one time. After the phosphorus chemical wastewater is treated (the concentration of phosphorus and fluorine is 20-200mg/L), the effluent can reach TP less than or equal to 0.5mg/L and fluoride less than or equal to 10 mg/L. After the organic wastewater of the paper mill (COD is 300-1000mg/L), the removal rate of the effluent can reach 40-55 percent.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The integrated pretreatment purification equipment is characterized by comprising a purification tank (1) which is vertically arranged, wherein a cylindrical coagulation cylinder (2) is arranged in the purification tank (1), an inverted cone-shaped reaction cylinder (3) is arranged on the upper side of the coagulation cylinder (2), the bottom end of the coagulation cylinder (2) is fixed at the bottom in the purification tank (1), the lower end of the reaction cylinder (3) is butted with the upper end of the coagulation cylinder (2), the periphery of the upper end is connected with the inner wall of the purification tank (1), a sewage collecting cylinder (4) is coaxially arranged in the reaction cylinder (3), the bottom of the sewage collecting cylinder (4) is closed, the top of the sewage collecting cylinder is open, a communicating pipe (5) which inclines downwards is arranged at the bottom of the sewage collecting cylinder (4), the lower end of the communicating pipe (5) is communicated to the outer side of the reaction cylinder (3), the upper end of the communicating pipe is communicated with the inside of the sewage collecting cylinder (4), and a switch valve (6) is arranged on the communicating pipe (5), the reactor is characterized in that a filter layer (8) filled with filter materials (7) is arranged above the reaction cylinder (3), a mounting frame (9) is arranged above the filter layer (8), at least one flat plate membrane device (10) is arranged on the mounting frame (9), a water outlet pipe (11) is arranged on the upper portion of the flat plate membrane device (10), an aeration pipe (29) is connected to the lower portion of the flat plate membrane, a sewage discharge device is arranged at the bottom of a purification tank (1) outside the coagulation cylinder (2), a water inlet pipe (12) is arranged on the lower portion of the purification tank (1), the water inlet pipe (12) extends to the coagulation cylinder (2) from the outside of the purification tank (1) and is communicated into the coagulation cylinder (2) from the tangential direction of the outer wall of the lower end of the coagulation cylinder (2).
2. The integrated pretreatment purification device according to claim 1, wherein the dirt collecting cylinder (4) is fixedly connected to the reaction cylinder (3) through a support rod (13).
3. The integrated pretreatment purifying device according to claim 1, wherein the lower end of the dirt collecting cylinder (4) is a guide structure (14) which is inwardly folded, the inner bottom of the dirt collecting cylinder (4) is provided with a convex conical bottom plate (15), the lower edge of the conical bottom plate (15) is connected with the inner edge of the lower side of the guide structure (14), and the upper end of the communicating pipe (5) is connected on the guide structure (14) and is tangent to the conical surface of the conical bottom plate (15).
4. The integrated pretreatment purification device according to claim 1, wherein the upper edge of the dirt collecting cylinder (4) is higher than the reaction cylinder (3), and the upper end of the dirt collecting cylinder (4) is provided with a flared collecting part (16) which expands outwards.
5. The integrated pretreatment purifying equipment of claim 1, wherein the sewage draining device comprises a sewage draining loop (17) arranged at the bottom in the purifying tank (1) around the concrete cylinder (2), and a sewage draining pipe (18) extending from the outside of the purifying tank (1) into the purifying tank (1) and communicated with the sewage draining loop (17), the sewage draining loop (17) is provided with a sewage outlet, and a sewage draining valve (19) is arranged at the direction end of the sewage draining pipe (18) far away from the sewage draining loop (17).
6. The integrated pretreatment purification apparatus according to claim 1, wherein a clarified water conduit (20) is provided on the purification tank (1), and the clarified water conduit (20) is located at a position below the upper edge of the reaction cylinder (3).
7. The integrated pretreatment purification device according to claim 1, wherein the filter layer (8) comprises an upper filter plate (21) and a lower filter plate (22) which are fixedly connected to the inner wall of the purification tank (1), a light filter material (7) is filled between the upper filter plate (21) and the lower filter plate (22), and a filter head (23) is arranged on a water through hole of the upper filter plate (21).
8. The integrated pretreatment purification device according to claim 1, wherein a back-flushing pipe (24) is further arranged at the connection position of the water outlet pipe (11) and the flat membrane device (10).
9. The integrated pretreatment purification device according to claim 1, wherein an overflow opening (25) is provided at the upper portion of the purification tank (1) near the upper edge.
10. The integrated pretreatment purification apparatus according to any one of claims 1 to 9, wherein an inclined tube (26) is provided between the filter layer (8) and the reaction cylinder (3).
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| CN202210885226.9A CN115043528A (en) | 2022-07-26 | 2022-07-26 | Integrated pretreatment purifying equipment |
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| CN202210885226.9A CN115043528A (en) | 2022-07-26 | 2022-07-26 | Integrated pretreatment purifying equipment |
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| CN202210885226.9A Pending CN115043528A (en) | 2022-07-26 | 2022-07-26 | Integrated pretreatment purifying equipment |
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