CN115057553B - Chemical wastewater treatment device - Google Patents
Chemical wastewater treatment device Download PDFInfo
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- CN115057553B CN115057553B CN202210725677.6A CN202210725677A CN115057553B CN 115057553 B CN115057553 B CN 115057553B CN 202210725677 A CN202210725677 A CN 202210725677A CN 115057553 B CN115057553 B CN 115057553B
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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
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
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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
- 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
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- 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 Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a chemical wastewater treatment device, which comprises: stirring pond sets up rabbling mechanism in stirring pond top, still includes: the negative pressure section of thick bamboo of setting in the stirring pond, a plurality of helicla flute that are used for intaking are seted up to the outside of negative pressure section of thick bamboo, and the inside of negative pressure section of thick bamboo includes: the purifying sedimentation cylinder is sleeved in the negative pressure cylinder, the cylinder wall of the purifying sedimentation cylinder is provided with a plurality of second communication windows, the inside of the purifying sedimentation cylinder is sleeved with a purifying pipe, each second communication window is communicated with the top of the purifying pipe, and the bottom of the purifying pipe is connected with a drain pipe; the rotary drum is rotatably sleeved on the purifying and precipitating drum, a plurality of first communication windows are formed in the drum wall of the rotary drum, and the rotary drum rotates relative to the purifying and precipitating drum, so that the first communication windows are communicated with the second communication windows.
Description
Technical Field
The invention relates to the technical field of wastewater treatment, in particular to a chemical wastewater treatment device.
Background
The wastewater discharged from the chemical plant is called chemical wastewater. Chemical wastewater is produced in the chemical production process. Different industries, different enterprises, different raw materials, different production modes, different types of equipment and the like have great influence on the generated quantity of wastewater and the type and concentration of pollutants. Most of the chemical wastewater is treated by adopting a mode of filtering, adsorbing and precipitating by using a layer film, and a coagulant is required to be added during precipitation to enable suspended matters in the wastewater to be rapidly precipitated.
When the coagulant is adsorbed and precipitated, the coagulant needs to be hydrolyzed and destabilized to bond with suspended matters in water just after being added, and is called mixing, at the moment, in order to enable the coagulant to be hydrolyzed rapidly and mix with the suspended matters in water, the water flow needs to be vigorously and rapidly stirred, so that the coagulant is rapidly and uniformly dispersed into the water, after the coagulant is dispersed, the coagulant can be collided and bonded with the suspended matters in water, at the moment, the coagulant and the suspended matters in water form flocs, the volume of the flocs gradually becomes larger, and the flocs sink along with gravity, because the flocs are fragile, the stirring strength of the water flow at the moment is reduced, so that the flocs are prevented from being broken, and the purification effect of the water body is affected.
In the existing chemical wastewater treatment device, after the coagulant is added, the water is simply and severely stirred, so that the hydrolysis and dispersion efficiency of the coagulant in the water can only be improved, but after the strong stirring, the stirring strength is reduced, the water can still be kept in intense vibration for a period of time, and as more suspended matters in the chemical wastewater exist, more and larger floccules are formed, the floccules which are flocculated are often scattered by the vibration of the residual water, the turbidity of the water cannot be rapidly reduced, and the purification treatment efficiency of the whole water is affected.
Disclosure of Invention
The invention aims to provide a chemical wastewater treatment device, which solves the problem that flocs are scattered caused by continuous stirring of the existing wastewater treatment device, and the purification efficiency of the whole water body is affected.
The technical scheme of the invention is as follows:
a chemical wastewater treatment apparatus comprising: stirring pond sets up rabbling mechanism in stirring pond top, still includes: the setting is in the negative pressure section of thick bamboo in the stirring pond, many spiral grooves that are used for intaking are seted up to the outside of negative pressure section of thick bamboo, and the top sets up sealed lid, negative pressure section of thick bamboo includes: the adsorption film is arranged on the inner wall of the negative pressure cylinder; the purifying and precipitating cylinder is sleeved in the negative pressure cylinder, a plurality of second communication windows are formed in the cylinder wall of the purifying and precipitating cylinder, a purifying pipe is sleeved in the purifying and precipitating cylinder, each second communication window is communicated with the top of the purifying pipe, and the bottom of the purifying pipe is connected with a drain pipe; the rotary drum is rotatably sleeved on the purification sedimentation cylinder, a plurality of first communication windows are formed in the cylinder wall of the rotary drum, and the rotary drum rotates relative to the purification sedimentation cylinder, so that the first communication windows are communicated with the second communication windows.
Further, set up rabbling mechanism through the support on the stirring pond, the stirring pond is back taper pond, negative pressure section of thick bamboo is back taper section of thick bamboo equally, rabbling mechanism includes: the rotary table is rotatably arranged on the bracket; the stirring shaft is obliquely arranged, one end of the stirring shaft is connected to the turntable, and the other end of the stirring shaft is positioned in the stirring pool; and the output shaft of the driving motor is connected with the center of the turntable.
Further, the side of stirring pond is close to top position and sets up the inlet tube, and the sediment discharge pipe is connected to bottom position, the sealed lid that the negative pressure section of thick bamboo top set up sets up the blast pipe, air compressor is connected to the blast pipe.
Further, the spiral groove includes: the inlet tank, set up a plurality of blowdown pieces in the inlet tank, the blowdown piece includes: the two ends of the rotating shaft penetrate through the two ends of the water inlet groove; the driving wheel body is sleeved on the rotating shaft; the driving fan blades are arranged on the driving wheel body in an annular array, the fan surfaces of the fan blades face the direction of the water inlet groove, and a through groove is formed in the side surface, close to the groove wall of the water inlet groove, of each driving fan blade; the blowdown wheel sets up the one end of keeping away from the drive wheel body at every drive flabellum, the one end of the blowdown wheel shaft body of blowdown wheel runs through in the drive flabellum to the pivot from the through groove, the side of blowdown wheel sets up the blowdown flabellum, blowdown wheel shaft body and pivot position are perpendicular, and the one end of every blowdown wheel shaft body all sets up bevel gear, and a plurality of bevel gears intermeshing.
Furthermore, the drain wheel shaft body is sleeved with a limit sleeve, and the limit sleeve is inlaid and penetrates through the driving wheel body.
Further, the spiral groove further comprises a power groove, the power grooves are symmetrically arranged on two sides of the water inlet groove, a plurality of driving wheel bodies are arranged in the power groove, and the driving wheel bodies are sleeved on the rotating shaft.
Further, the adsorption film can be changed, the adsorption film is limited on the inner wall of the negative pressure cylinder through a fixing piece, and the fixing piece comprises: the connecting column and two grip blocks, the one end and the sealed lid bottom of connecting column are connected, two grip blocks symmetry set up on the other end of connecting column, the adsorption membrane presss from both sides and establishes between the grip blocks.
Further, a buffer area is arranged between the adsorption film and the rotary drum, one side of the buffer area is communicated with the adsorption film, and the other side of the buffer area is communicated with the purification precipitation drum through a channel formed between the first communication window and the second communication window.
Further, the driving member includes: the driving toothed ring is arranged at the bottom of the rotary drum; and a driving gear is arranged on the output shaft of the servo motor, and the driving gear is meshed with the driving toothed ring.
Further, a filtering buffer net is arranged on the first communication window, and sealing rubber is arranged on the inner wall of the rotary drum.
Further, set up purification mechanism between second communication window and the purifying pipe, every purification mechanism sets up the gap between, still be provided with the circulation district in the purification precipitation section of thick bamboo, the circulation district is the space beyond the purifying pipe, the circulating pipe is connected to the bottom in circulation district, the circulating pipe with the inlet tube intercommunication, every purification mechanism includes: the purifying steps are arranged from high to low, each purifying step comprises a vertical surface and a horizontal surface, grooves with two ends penetrating are formed in the horizontal surface, the directions of the grooves are perpendicular to the arrangement direction of the purifying steps, and the two ends of the grooves are located above the circulating area; the baffle corresponds every section the setting of purifying the ladder, the baffle is the scute, and the vertical face of horizontal one end orientation purifying the ladder, vertical one end setting are on purifying the horizontal tread of ladder, it has the filter screen to inlay on the face of the vertical one end of baffle, the direction of filter screen and recess is unanimous.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, wastewater in the stirring tank is stirred to form vortex, then the vortex flows in compliance with the inclined spiral groove, meanwhile, clear wastewater is sucked into the negative pressure cylinder to be adsorbed and precipitated, flocculated sediment is not sucked when the clear wastewater is sucked, large flocculated sediment and clear wastewater are separated and are treated respectively, the large flocculated sediment is continuously precipitated in the stirring tank, the clear wastewater is sucked into the negative pressure cylinder to be calm and precipitated, the purifying effect is better, and the turbidity of the wastewater can be reduced rapidly.
The sewage discharging piece is arranged in the spiral groove, so that large flocculated sediment is further prevented from entering the negative pressure cylinder, and the flocculate is naturally guided out of the spiral groove under the action of water flow, so that the flocculated sediment is not damaged, and meanwhile, the passing efficiency of the spiral groove is ensured.
According to the invention, by arranging the purification mechanism and matching the purification steps with the baffle, the flow rate of wastewater entering the purification precipitation cylinder is reduced, the wastewater slowly passes through the filter screen and then enters the purification pipe, calm precipitation is carried out in the purification pipe, and the wastewater with larger suspended particles is returned to the stirring pool again through the circulating pipe of the circulating area for continuous flocculation precipitation.
Drawings
FIG. 1 is a schematic diagram of a front view of the present invention;
FIG. 2 is a schematic top view of the negative pressure cylinder of the present invention;
FIG. 3 is a front view of a schematic diagram of the internal structure of the negative pressure cylinder of the present invention;
FIG. 4 is a schematic view of a drum structure according to the present invention;
FIG. 5 is an enlarged view of the schematic view of the area B in FIG. 3;
FIG. 6 is an enlarged view of the schematic view of the area A in FIG. 3;
FIG. 7 is a schematic diagram of a helical groove structure according to the present invention;
FIG. 8 is a schematic view of a drain fitting according to the present invention;
fig. 9 is an enlarged view of the schematic diagram of the C-section area in fig. 7.
Wherein 11, stirring tank, 12, support, 13, stirring mechanism, 131, stirring shaft, 132, driving motor, 133, turntable, 14, water inlet pipe, 15, sealing cover, 151, exhaust pipe, 152, air compressor, 16, sediment discharge pipe, 2, negative pressure cylinder, 21, spiral groove, 211, water inlet groove, 212, power groove, 3, adsorption film, 31, fixing piece, 311, connecting column, 312, clamping plate, 4, revolving drum, 41, driving toothed ring, 411, driving gear, 412, servo motor, 42, first communication window, 43, filtering buffer net, 44, sealing rubber, 5, buffer zone, 6, purifying sedimentation cylinder, 61, second communication window, 62, circulation zone, 63, circulation pipe, 7, purifying mechanism, 71, purifying ladder, 72, baffle, 721, filter screen, 73, groove, 8, purifying pipe, 81, sedimentation plate, 82, water drain pipe, 9, blowdown piece, 91, driving fan blade, through groove, 92, driving wheel body, 93, rotating shaft, 10, blowdown wheel, 101, 911, blowdown body, 102, gear step, gear, cone, and shaft.
Description of the embodiments
The following describes in detail the embodiments of the present invention with reference to fig. 1 to 9. In the description of the present invention, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second" may include one or more such features, either explicitly or implicitly; in the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
It should be noted that, the circuit connection related in the present invention adopts a conventional circuit connection manner, and no innovation is related.
Examples
A chemical wastewater treatment apparatus comprising: stirring pond 11 sets up rabbling mechanism 13 in stirring pond 11 top, still includes: the negative pressure section of thick bamboo 2 of setting in stirring pond 11, the outside of negative pressure section of thick bamboo 2 is offered many helicla flute 21 that are used for intaking, as shown in fig. 1, the helicla flute 21 slope sets up, waste water in stirring pond 11 is stirred to rabbling mechanism 13, waste water receives centrifugal force to slope on the cell wall of stirring pond 11, form the vortex of similar vortex, the inboard rivers direction of vortex is unanimous with the incline direction of helicla flute 21, because waste water when forming the vortex, great flocculation thing can be adsorbed to the bottom of stirring pond by the vortex, so set up the helicla flute on the middle part one section of negative pressure section of thick bamboo, can great degree prevent great flocculation thing by inhaling in the helicla flute, set up sealed lid 15 at the top of negative pressure section of thick bamboo, negative pressure section of thick bamboo 2 includes: the sewage treatment device comprises an adsorption film 3, a purification precipitation cylinder 6 and a rotary drum 4, wherein the adsorption film 3 is a microfiltration adsorption film for water treatment, the adsorption film 3 is paved on the inner wall of the negative pressure cylinder 2, waste water can enter the negative pressure cylinder 2 through the adsorption of the adsorption film 3 after passing through a spiral groove 21, the adsorption film 3 can adsorb smaller suspension which is not discharged by the spiral groove 21, and the spiral groove 21 can discharge larger floccules; the purifying and precipitating cylinder 6 is sleeved in the negative pressure cylinder 2, a plurality of second communication windows 61 are formed in the cylinder wall of the purifying and precipitating cylinder 6, a purifying pipe 8 is sleeved in the purifying and precipitating cylinder, each second communication window 61 is communicated with the top of the purifying pipe 8, and the bottom of the purifying pipe 8 is connected with a drain pipe 82; the rotary drum 4 rotates the cover and establishes on the purification precipitation section of thick bamboo 6, offer a plurality of first communication windows 42 on the section of thick bamboo wall of rotary drum 4, rotary drum 4 rotates for purification precipitation section of thick bamboo 6, makes first communication window 42 with second communication window 61 intercommunication, when second communication window 61 staggers with first communication window 42, through the section of thick bamboo wall of rotary drum 4 sealed, this moment, can carry out the air evacuation to negative pressure section of thick bamboo 2, the rabbling mechanism carries out the rapid mixing to the waste water in the stirred tank, make the waste water use negative pressure section of thick bamboo as the center pin, begin to form the vortex, and throw into the flocculating agent into in the waste water, make the flocculating agent mix fast in the waste water, make the waste water form the flocculation thing fast, stop stirring, make the natural rotation at this moment, make first communication window and second communication window align, make negative pressure section of thick bamboo and stirred tank intercommunication, the inboard rivers of waste water form constantly gush out to the helicla 21 on negative pressure section of thick bamboo 2, because the flocculation thing volume is greater than the size that helicla 21 can pass through, by helicla 21 is got rid of outside, again because the slope setting up of helicla 21 makes waste water in the vortex 21, make the waste water take shape more vortex flow and can not stop vortex flow in the vortex flow, and can more the vortex flow through the sediment, and the sediment is broken down, and the drain pipe is more polluted and the vortex flow can be more polluted, the waste water is broken down, and the waste water can be absorbed by the waste water through the vortex flow through, and the waste water is more through the drain pipe, and the vortex flow through, and the waste water can be more clearly through the water through the vortex flow, and the filter pipe is more clearly, the waste water, and the waste water can be purified through the vortex flow, and the waste water can through the waste water through the vortex flow through the filter, and the sewage through the filter pipe.
Preferably, in order to make the wastewater in the stirring tank 11 more easily form vortex, the stirring tank 11 is provided with a stirring mechanism 13 through a bracket 12, the stirring tank 11 is an inverted cone tank, the negative pressure cylinder 2 is also an inverted cone cylinder, and the stirring mechanism 13 comprises: the rotary table 133, the stirring shaft 131 and the driving motor 132, wherein the rotary table 133 is rotatably arranged on the bracket 12; the stirring shaft 131 is obliquely arranged, the inclined surface of the stirring shaft which is obliquely arranged can slow down the impact force of flocculate contacting the inclined surface of the stirring shaft, so that the flocculate is prevented from being broken, one end of the stirring shaft is connected to the rotary disc 133, and the other end of the stirring shaft is positioned in the stirring tank 11; the output shaft of the driving motor 132 is connected to the center of the turntable 133.
Preferably, in order to change the adsorption film conveniently, make the adsorption efficiency of adsorption film keep the preferred state all the time to guarantee the purifying effect of waste water, the side of stirring pond 11 is close to top position and sets up inlet tube 14, and the side is close to the position of bottom and sets up precipitate discharge pipe 16, and precipitate discharge pipe 16 is used for discharging the big piece flocculation thing of flocculation in stirring pond 11, set up blast pipe 151 on the sealed lid 15 that negative pressure section of thick bamboo 2 top set up, blast pipe 151 connects air compressor 152, and air compressor 152 is used for making the negative pressure state of negative pressure section of thick bamboo inner space, adsorption film 3 can change, adsorption film 3 is spacing on the inner wall of negative pressure section of thick bamboo 2 through mounting 31, mounting 31 includes: the connecting column 311 and two clamping plates 312, one end of the connecting column 311 is connected with the bottom of the sealing cover 15, the two clamping plates 312 are symmetrically arranged on the other end of the connecting column 311, and the adsorption film 3 is clamped between the clamping plates 312.
Preferably, in order to prevent the waste water from directly entering the second communication window from the spiral groove after passing through the adsorption film, a buffer zone 5 is arranged between the adsorption film 3 and the rotary drum 4, and the buffer zone 5 can accommodate dirt flowing out of the adsorption film 3, so that the adsorption film 3 cannot be easily blocked, the normal passing effect of the adsorption film 3 is ensured, one side of the buffer zone 5 is communicated with the adsorption film 3, and the other side is communicated with the purification precipitation drum 6 through a channel formed between the first communication window 42 and the second communication window 61.
Preferably, for conveniently cleaning the adsorption film, a back flushing device is arranged on the buffer zone 5, a flushing head of the back flushing device is communicated into the buffer zone 5, during back flushing, a channel between the buffer zone 5 and the second communication window 61 is closed, high-pressure water flow is injected into the buffer zone 5 to enable the water flow to flush and pass through the adsorption film, cleaning and decontamination of the adsorption film are completed, the service life of the adsorption film is prolonged, and a water outlet is formed in the bottom of the buffer zone 5 and used for discharging dirt in the buffer zone 5.
Specifically, the driving member includes: a driving toothed ring 41 and a servo motor 412, the driving toothed ring 41 being arranged at the bottom of the drum 4; the output shaft of the servo motor 412 is provided with a driving gear 411, the driving gear 411 is meshed with the driving gear ring 41, and the servo motor 412 is connected with an external controller for control.
Preferably, in order to prevent larger suspended substances from being carried out in one step, for example, in the purge tube 8, a filter buffer screen 43 is provided on the first communication window 42, and a sealing rubber 44 is provided on the inner wall of the drum 4.
Examples
In example 1, due to the negative pressure environment in the negative pressure cylinder 2, the swirling wastewater in the stirring tank quickly flows into the spiral groove 21, and due to the large suction force, a part of flocculate is sucked into the spiral groove but is blocked by the adsorption film, so as to reduce the probability of flocculate entering the spiral groove, and more so as to quickly discharge the flocculate entering the spiral groove out of the spiral groove 21, the difference between example 2 and example 1 is that:
as shown in fig. 7, 8 and 9, the spiral groove 21 includes: a water inlet tank 211, a plurality of blowdown pieces 9 are arranged in the water inlet tank 211, and the blowdown pieces 9 comprise: the rotating shaft 93, the driving wheel body 92 and the pollution discharge wheel 10, wherein two ends of the rotating shaft 93 penetrate through two ends of the water inlet groove 211; the driving wheel body 92 is sleeved on the rotating shaft 93; the plurality of driving fan blades 91 are arranged on the driving wheel body 92 in an annular array, the fan surfaces of the fan blades face the groove direction of the water inlet groove 211, namely the vortex direction of wastewater, and a through groove 911 is formed in the side surface, close to the groove wall of the water inlet groove 211, of each driving fan blade 91; the blowdown wheel 10 sets up the one end of keeping away from the drive wheel body 92 at every drive flabellum 91, the one end of blowdown wheel shaft body 102 of blowdown wheel 10 runs through in the drive flabellum 91 to the pivot 93 from the through groove 911, the side of blowdown wheel 10 sets up blowdown flabellum 101, blowdown wheel shaft body 102 and pivot 93 position are perpendicular, and the one end of every blowdown wheel shaft body 102 all sets up bevel gear 103, and a plurality of bevel gears 103 intermesh.
When the vortex formed by the wastewater is rotated, the swirling flow of the vortex can be led to the driving fan blade 91 through the water inlet groove 211, so that the driving fan blade 92 rotates, the driving fan blade 91 continuously scrapes the bottom of the water inlet groove 211, flocculates in the water inlet groove are discharged, as shown in fig. 7, water flow obliquely enters from the water inlet groove, not only the driving fan blade 92 rotates, but also the blowdown fan blade 101 can be impacted, the blowdown fan blade 101 is impacted by the water flow, the blowdown wheel 10 starts to rotate, and the blowdown wheel shaft 102 is meshed through the bevel gear 103, after one blowdown wheel 10 rotates, a plurality of blowdown wheels 10 simultaneously rotate, so that the flocculates can be guided to the other side from one side of the water inlet groove, and the flocculates can be naturally discharged out of the water inlet groove and continuously and downwards sedimentated along with the vortex.
Preferably, in order to enable the bevel gears 103 on the blowdown wheel shaft 102 to be smoothly meshed together, the blowdown wheel shaft 102 is sleeved with a limiting sleeve 104, and the limiting sleeve 104 is embedded and penetrates through the driving wheel body 92.
Preferably, in order to further improve the sewage draining effect, the spiral groove 21 further comprises a power groove 212, the power groove 212 is symmetrically arranged at two sides of the water inlet groove 211, a plurality of driving wheel bodies 92 are arranged in the power groove 212, and the driving wheel bodies 92 are sleeved on the rotating shaft 93.
Examples
In embodiment 2, the flocculated suspended matter in the water inlet tank is discharged through the sewage discharging part, so that the water inlet speed is greatly increased, and the passing speed of the wastewater from the second communication window 61 is increased due to the negative pressure suction force in the negative pressure cylinder, so that the calm precipitation in the purifying tube 8 can be affected, and the difference between embodiment 3 and embodiment 2 is that:
as shown in fig. 2, a purifying mechanism 7 is connected between each of the second communication windows 61 and the purifying pipe 8;
as shown in fig. 3, a gap is provided between each of the purifying mechanisms 7;
a circulation zone 62 is further arranged in the purification and precipitation cylinder 6, the circulation zone 62 is a space outside the purification pipe 8, wastewater enters the purification pipe through the purification mechanisms 7, particles in the wastewater are discharged into the circulation zone 62 from gaps between the purification mechanisms 7, the bottom of the circulation zone 62 is connected with a circulation pipe 63, and the circulation pipe 63 is communicated with the water inlet pipe 14;
a plurality of layers of sedimentation plates 81 are arranged in the purifying pipe 8, the sedimentation plates are provided with filter holes, and the pore diameters of the rate holes are continuously reduced from high to low;
each of the purge mechanisms 7 includes: the purifying steps 71 and the baffle plates 72 are arranged from high to low, as shown in fig. 5, each purifying step 71 comprises a vertical surface and a horizontal surface, the horizontal surface is provided with a groove 73 with two ends penetrating, the groove 73 is used for flowing wastewater with sediment, the direction of the groove 73 is vertical to the arranging direction of the purifying steps 71, and the two ends of the groove 73 are positioned above the circulating zone 62;
the baffle 72 corresponds every section the setting of purification ladder 71, the baffle 72 is the scute, and the vertical face of the one end orientation purification ladder 71 of horizontally, and vertical one end setting is on the horizontal ladder face of purification ladder 71, inlay on the face of the vertical one end of baffle 72 has filter screen 721, the direction of filter screen 721 and recess 73 is unanimous.
When the wastewater flows out of the second communication window, the wastewater flows onto the purification step 71 at the highest position, the clear part of the wastewater passes through the filter screen 721 and enters the next purification step 71 through the blocking of the baffle plate 72, the larger suspended matters in the wastewater cannot pass through the filter screen 721, are blocked in the groove on the horizontal plane of the purification step 71 and are filled into the circulating area by water flow, the wastewater entering the next purification step 71 is continuously filtered through the filter screen 721 and finally enters the purification pipe 8 to be precipitated, the continuously filtered wastewater with suspended matters enters the circulating area, can be re-enters the stirring pool for stirring flocculation through the circulating pipe, can also be discharged for treatment, the relatively clear wastewater entering the purification pipe 8 is calm to be precipitated, and the suspended matters are continuously filtered out through the multi-channel sedimentation plate and are enabled to be precipitated on the sedimentation plate, so that the final purified water is discharged from the drain pipe.
Specifically, because the waste water passes through the adsorption film and reaches the negative pressure cylinder, most suspended matters are adsorbed, and dirt particles falling on the purification steps, the filter screen and the sedimentation plate are smaller, the cleaning method for the negative pressure cylinder comprises the following steps: by closing the second communication window and covering the sealing cover 15, closing the valve of the circulation pipe, and inflating the negative pressure cylinder through the air compressor, the high-pressure air breaks up the dirt on the purification step and the filter screen, and the broken dirt is discharged from the drain pipe 82.
The foregoing disclosure is only illustrative of the preferred embodiments of the present invention, but the embodiments of the present invention are not limited thereto, and any variations within the scope of the present invention will be apparent to those skilled in the art.
Claims (9)
1. A chemical wastewater treatment apparatus comprising: stirring pond (11), set up rabbling mechanism (13) in stirring pond (11) top, its characterized in that still includes: the negative pressure cylinder (2) that sets up in stirring pond (11), spiral groove (21) that many are used for intaking are seted up in the outside of negative pressure cylinder (2), and the top sets up sealed lid (15), negative pressure cylinder (2) include:
an adsorption film (3) arranged on the inner wall of the negative pressure cylinder (2);
the purifying sedimentation cylinder (6) is sleeved in the negative pressure cylinder (2), a plurality of second communication windows (61) are formed in the cylinder wall of the purifying sedimentation cylinder (6), a purifying pipe (8) is sleeved in the purifying sedimentation cylinder, each second communication window (61) is communicated with the top of the purifying pipe (8), and the bottom of the purifying pipe (8) is connected with a drain pipe (82);
the rotary drum (4) is rotatably sleeved on the purification and precipitation drum (6), a plurality of first communication windows (42) are formed in the drum wall of the rotary drum (4), and the rotary drum (4) rotates relative to the purification and precipitation drum (6) to enable the first communication windows (42) to be communicated with the second communication windows (61);
the spiral groove (21) includes: intake groove (211), set up a plurality of blowdown pieces (9) in intake groove (211), blowdown piece (9) include:
a rotating shaft (93) with two ends penetrating through two ends of the water inlet groove (211);
the driving wheel body (92) is sleeved on the rotating shaft (93); the plurality of driving fan blades (91) are arranged on the driving wheel body (92) in an annular array, the fan surfaces of the fan blades face the groove direction of the water inlet groove (211), and a through groove (911) is formed in the side surface, close to the groove wall of the water inlet groove (211), of each driving fan blade (91);
the blowdown wheel (10) is arranged at one end of each driving fan blade (91) far away from the driving wheel body (92), one end of a blowdown wheel shaft body (102) of the blowdown wheel (10) penetrates through the driving fan blades (91) to the rotating shaft (93) from the through groove (911), blowdown fan blades (101) are arranged on the side face of the blowdown wheel (10), the positions of the blowdown wheel shaft body (102) and the rotating shaft (93) are vertical, conical gears (103) are arranged at one end of each blowdown wheel shaft body (102), and the conical gears (103) are meshed with each other.
2. A chemical wastewater treatment device according to claim 1, characterized in that a stirring mechanism (13) is arranged on the stirring tank (11) through a bracket (12), the stirring tank (11) is an inverted cone tank, the negative pressure cylinder (2) is also an inverted cone cylinder, and the stirring mechanism (13) comprises:
a turntable (133) rotatably provided on the bracket (12);
a stirring shaft (131) is obliquely arranged, one end of the stirring shaft is connected to the rotary table (133), and the other end of the stirring shaft is positioned in the stirring tank (11);
and the driving motor (132) is connected with the output shaft at the center of the turntable (133).
3. The chemical wastewater treatment device according to claim 2, wherein a water inlet pipe (14) is arranged on the side surface of the stirring tank (11) close to the top end, a sediment discharge pipe (16) is connected to the bottom position, an exhaust pipe (151) is arranged on a sealing cover (15) arranged on the top of the negative pressure cylinder (2), and the exhaust pipe (151) is connected with an air compressor (152).
4. The chemical wastewater treatment device according to claim 1, wherein a limiting sleeve (104) is sleeved on the sewage wheel shaft body (102), and the limiting sleeve (104) is embedded and penetrates through the driving wheel body (92).
5. The chemical wastewater treatment device according to claim 1, wherein the spiral groove (21) further comprises power grooves (212), the power grooves (212) are symmetrically arranged on two sides of the water inlet groove (211), a plurality of driving wheel bodies (92) are arranged in the power grooves (212), and the driving wheel bodies (92) are sleeved on the rotating shaft (93).
6. A chemical wastewater treatment device according to claim 1, characterized in that the adsorption film (3) is replaceable, the adsorption film (3) is limited on the inner wall of the negative pressure cylinder (2) by a fixing piece (31), and the fixing piece (31) comprises: the connecting column (311) and two clamping plates (312), one end of the connecting column (311) is connected with the bottom of the sealing cover (15), the two clamping plates (312) are symmetrically arranged at the other end of the connecting column (311), and the adsorption film (3) is clamped between the clamping plates (312).
7. A chemical wastewater treatment plant according to claim 1, characterized in that a buffer zone (5) is provided between the adsorption membrane (3) and the drum (4), one side of the buffer zone (5) being in communication with the adsorption membrane (3) and the other side being in communication with the purification and precipitation drum (6) through a channel formed between the first communication window (42) and the second communication window (61).
8. A chemical wastewater treatment plant according to claim 1, characterized in that the first communication window (42) is provided with a filtering buffer net (43), and the inner wall of the drum (4) is provided with sealing rubber (44).
9. A chemical wastewater treatment device according to claim 3, characterized in that a purifying mechanism (7) is connected between each second communication window (61) and the purifying pipe (8), a gap is provided between each purifying mechanism (7), a circulating area (62) is further provided in the purifying and precipitating cylinder (6), the circulating area (62) is a space outside the purifying pipe (8), a circulating pipe (63) is connected to the bottom of the circulating area (62), the circulating pipe (63) is communicated with the water inlet pipe (14), and each purifying mechanism (7) comprises:
the purifying steps (71) are arranged from high to low, each purifying step (71) comprises a vertical surface and a horizontal surface, a groove (73) with two ends penetrating is formed in the horizontal surface, the direction of the groove (73) is perpendicular to the arrangement direction of the purifying steps (71), and two ends of the groove (73) are located above the circulating area (62);
baffle (72) correspond every section purification ladder (71) sets up, baffle (72) are the scute, and the vertical face of horizontal one end orientation purification ladder (71), and vertical one end setting is on the horizontal ladder face of purification ladder (71), inlay on the face of the vertical one end of baffle (72) filter screen (721), the direction of filter screen (721) and recess (73) is unanimous.
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| CN202210725677.6A CN115057553B (en) | 2022-06-24 | 2022-06-24 | Chemical wastewater treatment device |
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| CN202210725677.6A CN115057553B (en) | 2022-06-24 | 2022-06-24 | Chemical wastewater treatment device |
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| CN115057553A (en) | 2022-09-16 |
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Inventor after: Ren Kesheng Inventor after: Li He Inventor after: Yang Xuke Inventor after: Yuan Gangzhi Inventor after: Zhang Hao Inventor after: Sun Lei Inventor after: Li Shuaijie Inventor after: Mao Zhiwei Inventor after: Li Kangkui Inventor after: Lei Xiaohui Inventor after: Tian Yuan Inventor after: Zhang Xinkai Inventor after: Zhang Ke Inventor after: Xue Song Inventor after: Guan Xiaokun Inventor after: Li Xiang Inventor before: Ren Kesheng Inventor before: Li He Inventor before: Yang Xuke Inventor before: Yuan Gangzhi Inventor before: Zhang Hao Inventor before: Sun Lei Inventor before: Li Shuaijie Inventor before: Mao Zhiwei Inventor before: Li Kangkui Inventor before: Lei Xiaohui Inventor before: Tian Yuan Inventor before: Zhang Xinkai Inventor before: Zhang Ke Inventor before: Xue Song Inventor before: Guan Xiaokun Inventor before: Li Xiang |
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