CN112569660A - Textile wastewater filtering method - Google Patents
Textile wastewater filtering method Download PDFInfo
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- CN112569660A CN112569660A CN202011307327.5A CN202011307327A CN112569660A CN 112569660 A CN112569660 A CN 112569660A CN 202011307327 A CN202011307327 A CN 202011307327A CN 112569660 A CN112569660 A CN 112569660A
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- water
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- shell
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- 239000010918 textile wastewater Substances 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000001914 filtration Methods 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 80
- 239000002351 wastewater Substances 0.000 claims abstract description 42
- 238000004140 cleaning Methods 0.000 claims abstract description 22
- 238000010438 heat treatment Methods 0.000 claims abstract description 17
- 239000004744 fabric Substances 0.000 claims abstract description 12
- 230000009471 action Effects 0.000 claims abstract description 9
- 230000001960 triggered effect Effects 0.000 claims abstract description 8
- 230000009467 reduction Effects 0.000 claims abstract description 6
- 238000005520 cutting process Methods 0.000 claims abstract description 4
- 238000005086 pumping Methods 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 26
- 238000003860 storage Methods 0.000 claims description 24
- 230000007704 transition Effects 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 7
- 238000004065 wastewater treatment Methods 0.000 claims description 7
- 238000001179 sorption measurement Methods 0.000 claims description 5
- 230000001154 acute effect Effects 0.000 claims description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 2
- 238000004075 wastewater filtration Methods 0.000 claims description 2
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 239000004753 textile Substances 0.000 abstract description 4
- 210000003205 muscle Anatomy 0.000 description 12
- 230000008569 process Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 8
- 239000000835 fiber Substances 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 5
- 210000002268 wool Anatomy 0.000 description 5
- 238000004043 dyeing Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000007639 printing Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 241000756137 Hemerocallis Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
- B01D29/035—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting with curved filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/52—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
- B01D29/54—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/76—Handling the filter cake in the filter for purposes other than for regenerating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/76—Handling the filter cake in the filter for purposes other than for regenerating
- B01D29/80—Handling the filter cake in the filter for purposes other than for regenerating for drying
- B01D29/84—Handling the filter cake in the filter for purposes other than for regenerating for drying by gases or by heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/90—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for feeding
- B01D29/906—Special treatment of the feed stream before contacting the filtering element, e.g. cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention provides a method for filtering textile wastewater, and belongs to the technical field of textiles. Arranging and setting: when waste water with small concentration of residue and scraps is treated, the speed reduction motor is started to enable each rotating ring to slowly rotate towards the direction opposite to the water flow direction, the rotating speed of the rotating ring is suitable for preventing the waste water from entering the position of the limiting guide block as far as possible, and advective textile waste water is conveyed into the water inlet connecting pipe; starting a negative pressure pump after a sensor at any position is triggered, stopping the supply of wastewater, electrifying a heating sheet, pumping the scraps formed by burning the fabric scraps adhered to the filter screen at high temperature away from the filter screen under the action of negative pressure, cleaning each filter screen for multiple times, then supplying water again, closing the negative pressure pump, and cutting off the heating sheet; when the waste water with high concentration of residue and scraps is treated, the filter screen is cleaned under the state of suspending water supply. The invention has the advantages of high efficiency and the like.
Description
Technical Field
The invention belongs to the technical field of spinning, and relates to a method for filtering spinning wastewater.
Background
The textile technology generates a large amount of wastewater, including printing and dyeing wastewater, chemical fiber textile wastewater, hemerocallis degumming wastewater, wool scouring wastewater and the like, wherein the printing and dyeing wastewater and the chemical fiber textile wastewater are mainly polluted seriously. The textile printing and dyeing industry is one of industrial departments with large water consumption and more wastewater discharge. Besides large water amount, textile wastewater is mostly sewage for cleaning and dyeing cloth, threads and the like, so that more impurities of the wool fibers are contained in the textile wastewater, and due to the slender characteristic of the textile wastewater, when the textile wastewater is treated, although the interception of the wool fibers is simpler, the wool fibers are more complexly wound on an interception object after being intercepted, so that the cleaning difficulty of workers on the wound wool fibers is very high, the desorption efficiency is low, and the overall efficiency of the treatment of the waste water is influenced; moreover, the existing equipment can not continuously operate, the maintenance period is short, especially, the cleaning of the intercepting mechanisms such as the filter screen is very frequent, and the wastewater is continuously generated, so that multiple steps and multiple sets of equipment are required to be switched and operated in the wastewater treatment process, the cost is high, and the efficiency and the effect are not ideal.
Disclosure of Invention
The invention aims to provide a textile wastewater filtering method aiming at the problems in the prior art, and the technical problem to be solved by the invention is how to ensure that the wastewater filtering effect is better and the efficiency is higher.
The purpose of the invention can be realized by the following technical scheme: a textile wastewater filtering method is characterized by comprising a filtering device, wherein the filtering device comprises a cylindrical shell, a positioning cylinder fixedly connected with the shell, a rotating ring rotatably connected outside the positioning cylinder and a limiting guide block fixed on the inner wall of the shell, an annular water storage cavity is formed between the shell and the positioning cylinder, the rotating ring is driven by a speed reducing motor, a plurality of arc-shaped mounting frames are hinged outside the rotating ring, a filter screen is installed in the middle of each mounting frame, the circumferential direction of the hinged point of each mounting frame and the rotating ring is uniformly distributed on the outer wall surface of the rotating ring, an opening at one end of the positioning cylinder forms an air inlet, an air inlet channel is formed on the wall surface of the mounting cylinder, an air outlet channel corresponding to the air inlet channel is formed on the limiting guide block, the air outlet channel is connected with the air inlet end of a negative pressure pump, a water inlet connecting pipe communicated with the water storage cavity is arranged on the shell, the shell is provided with a water outlet connecting pipe communicated with the water storage cavity, a phase difference of 80-120 degrees is formed between the water inlet connecting pipe and the water outlet connecting pipe, the inner side surface of the limiting guide block is provided with a transition section and a sealing section, the tail end of the transition section is connected with the inner wall of the shell, the sealing section is an arc surface positioned on the outer side of the mounting frame, and the inlet of the air outlet channel is positioned on the sealing section;
the inlet of the air outlet channel is provided with a rectangular adsorption cavity, sealing sections on two sides of the adsorption cavity are respectively provided with a sealing assembly, each sealing assembly comprises a sliding hole formed in a limiting guide block, a sealing convex rib is connected in the sliding hole in a sliding mode, and a plurality of reset springs are connected between the sealing convex rib and the bottom of the sliding hole;
a position switch is arranged in the sliding hole and can be triggered when the sealing convex rib slides to the bottom of the sliding hole;
a heating sheet is arranged on the positioning cylinder at a position corresponding to the transition section, and the heating sheet is embedded in the positioning cylinder;
the textile wastewater treatment method comprises the following steps:
arranging and setting: the water outlet connecting pipe is positioned at the bottom of the shell, the water inlet connecting pipe is positioned at one side far away from the limiting guide block, and the outlet of the water inlet connecting pipe faces the bottom of the water storage cavity at one side far away from the limiting guide block;
filtering and cleaning a filter screen by using waste water: when waste water with small concentration of residue and scraps is treated, the speed reduction motor is started to enable each rotating ring to slowly rotate towards the direction opposite to the water flow direction, the rotating speed of the rotating ring is suitable for preventing the waste water from entering the position of the limiting guide block as far as possible, and advective textile waste water is conveyed into the water inlet connecting pipe; starting a negative pressure pump after a sensor at any position is triggered, stopping the supply of wastewater, electrifying a heating sheet, pumping the scraps formed by burning the fabric scraps adhered to the filter screen at high temperature away from the filter screen under the action of negative pressure, cleaning each filter screen for multiple times, then supplying water again, closing the negative pressure pump, and cutting off the heating sheet;
when waste water with high concentration of residue and scraps is treated, starting the speed reduction motor to enable each rotating ring to slowly rotate towards the direction opposite to the water flow direction, wherein the rotating speed of the rotating ring is suitable for preventing the waste water from entering the position of the limiting guide block as far as possible, and conveying advected textile waste water into the water inlet connecting pipe; meanwhile, the negative pressure pump is started, and the fabric scraps adhered to the filter screen are pumped out of the filter screen under the action of negative pressure.
Furthermore, the swivel comprises two connecting sleeves, and the two connecting sleeves are fixedly connected through a plurality of stand columns.
Furthermore, two edges of the installation frame along the axis direction of the shell are respectively provided with a guide convex strip, and the guide limiting block is provided with a limiting step matched with the guide convex strip.
Further, the installing frame is made of iron materials, and a permanent magnet sheet capable of adsorbing one end, far away from the hinge point, of the installing frame is arranged on the outer wall of the shell.
Further, the installing frame has four, when the outer end of installing frame supported and leaned on shells inner wall, the pin joint of installing frame and installing frame was the acute angle between the tangent line on the change.
Waste water gets into the water storage chamber and keeps away from one side of spacing guide block, and water pressure is not suitable too big, use advection or similar advection as being suitable, rivers get into the water storage chamber to the in-process that gets into the water outlet and take over, the filter screen on a plurality of installing frames has carried out the interception to the bits end that exists in the waste water on the rivers route, impurity such as end of a thread, the end of a thread has been held, the sweeps that remain on the filter screen after the interception easily breaks away from the filter screen under the high temperature firing of heating plate, of course, the filter screen also can bear the material of high temperature, the high temperature that here indicates is decided according to the material of the fabric that contains in the waste water, the temperature generally is between 200 ℃ to 300 ℃, when carrying out the drying to the filter screen, make the carbonization coking of sweeps, avoid twine end of a thread.
The effect of sealed protruding muscle is the absorption atmospheric pressure of increase to the filter screen as far as on the one hand, on the other hand acquires the deposition degree of adhesion thing on the filter screen, when sealed protruding muscle triggers position sensor, the sweeps deposition is more on the filter screen, make sealed protruding muscle pressurized and trigger position sensor, sealed protruding muscle can be the roller, also can be the layering, the filter screen is located the inboard position of installing frame, when sealed protruding muscle supports and leans on the filter screen promptly, the clearance between the filter screen inboard and the location section of thick bamboo is very little, and the air current is just to the filter screen, the absorption negative pressure of filter screen department can be ensured.
The guide convex strips and the limiting steps can correct the mounting frame and improve the sealing property; the limiting guide block guides the mounting frame to enable the mounting frame to gradually return to a state of wrapping the positioning cylinder in an opening state; the permanent magnet piece can ensure that the mounting frame intercepts an annular water storage cavity when the rotating speed of the mounting frame is slow, the mounting frame is close to the permanent magnet piece under the action of gravity, the permanent magnet piece is positioned at a position above the water inlet connecting pipe, and the filter screen can still keep the state of intercepting the water storage cavity until the filter screen enters a transition section of the limiting guide block.
In comparison, the filter screen obviously increases the times of 'slag salvaging' of the waste water, so that the cleaning effect of the waste water is obvious; moreover, the filter screen can be cleaned on line, the cleaning process is extremely short, the cleaning process can be synchronously carried out in the continuous wastewater treatment process, and the cleaning process can also be quickly finished under the condition of extremely short water supply suspension without disassembling and assembling parts such as the filter screen and the like; thirdly, fabric scraps such as fibers and the like which are remained and adhered on the filter screen are likely to wind on the filter screen, and the traditional filter screen cleaning mode cannot achieve a good cleaning effect, but in the scheme, the scraps can be cleaned more thoroughly after being burned by adopting a high-temperature mode and a negative-pressure mode; fourth, the setting of water storage chamber in this scheme through spacing guide block makes it divide into the district of walking water and anhydrous treatment district, can last filterable when carrying out waste water, and the filter screen also need not the high frequency clearance and maintains.
Drawings
FIG. 1 is a schematic structural view of the textile wastewater treatment equipment.
Fig. 2 is a sectional view of the housing.
Fig. 3 is a cross-sectional view of fig. 1.
Fig. 4 is a structural diagram of the position of the limiting guide block in the shell.
Fig. 5 is a perspective view of the swivel.
Fig. 6 is a schematic perspective view of the position limiting guide block.
Fig. 7 is a schematic view of the structure of the mounting frame and the filter screen.
Fig. 8 is a sectional view taken along a-a in fig. 1.
Fig. 9 is an enlarged view of a portion B in fig. 3.
In the figure, 1, a housing; 11. a water storage cavity; 12. a reduction motor; 13. an air inlet; 14. an air intake passage; 15. an air outlet channel; 16. a negative pressure pump; 17. a water inlet connecting pipe; 18. a water outlet connecting pipe; 19. a permanent magnet sheet; 2. a positioning cylinder; 21. a heating plate; 3. rotating the ring; 31. connecting sleeves; 32. a column; 4. a limiting guide block; 41. a transition section; 42. a sealing section; 43. an adsorption chamber; 44. sealing the convex ribs; 45. a return spring; 46. a position switch; 47. a limiting step; 51. installing a frame; 52. filtering with a screen; 53. and (4) guiding convex strips.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 9, the device comprises a cylindrical housing 1, a positioning cylinder 2 fixedly connected with the housing 1, a rotary ring 3 rotatably connected outside the positioning cylinder 2, and a limiting guide block 4 fixed on the inner wall of the housing 1, wherein an annular water storage cavity 11 is formed between the housing 1 and the positioning cylinder 2, the rotary ring 3 is driven by a speed reduction motor 12, a plurality of arc-shaped mounting frames 51 are hinged outside the rotary ring 3, a filter screen 52 is installed in the middle of the mounting frames 51, the hinge points of the mounting frames 51 and the rotary ring 3 are circumferentially and uniformly distributed on the outer wall surface of the rotary ring 3, an air inlet 13 is formed at one end opening of the positioning cylinder 2, an air inlet channel 14 is formed on the wall surface of the mounting cylinder, an air outlet channel 15 corresponding to the air inlet channel 14 is formed on the limiting guide block 4, the air outlet channel 15 is connected with the air inlet end of a negative pressure pump 16, an water inlet connecting pipe 17 communicated with the water storage cavity 11, the shell 1 is provided with a water outlet connecting pipe 18 communicated with the water storage cavity 11, a phase difference of 80-120 degrees is formed between the water inlet connecting pipe 17 and the water outlet connecting pipe 18, the inner side surface of the limiting guide block 4 is provided with a transition section 41 and a sealing section 42, the tail end of the transition section 41 is connected with the inner wall of the shell 1, the sealing section 42 is an arc surface positioned on the outer side of the mounting frame 51, and the inlet of the air outlet channel 15 is positioned on the sealing section 42.
The entrance of air outlet channel 15 has the absorption chamber 43 of a rectangle, and it is provided with a seal assembly respectively to adsorb to set up on the seal segment 42 of chamber 43 both sides, and seal assembly is including seting up the slide opening on spacing guide block 4, and sliding connection has a sealed protruding muscle 44 in the slide opening, is connected with a plurality of reset spring 45 between the bottom of sealed protruding muscle 44 and slide opening.
A position switch 46 is provided in the slide hole, the position switch 46 being capable of being triggered when the sealing bead slides towards the bottom of the slide hole.
A heating sheet 21 is arranged on the positioning cylinder 2 at a position corresponding to the transition section 41, and the heating sheet 21 is embedded in the positioning cylinder 2.
The swivel 3 comprises two connecting sleeves 31, and the two connecting sleeves 31 are fixedly connected with each other through a plurality of upright posts 32.
Two edges of the mounting frame 51 along the axial direction of the housing 1 are respectively provided with a guiding convex strip 53, and the guiding limiting block is provided with a limiting step 47 matched with the guiding convex strip 53.
The mounting frame 51 is made of ferrous materials, and the outer wall of the shell 1 is provided with a permanent magnet sheet 19 which can adsorb one end of the mounting frame 51 far away from the hinge point.
The number of the mounting frames 51 is four, and when the outer end of the mounting frame 51 abuts against the inner wall of the shell 1, an acute angle is formed between the tangent lines of the hinge point of the mounting frame 51 and the mounting frame 51 on the rotating ring 3.
The textile wastewater treatment method comprises the following steps:
arranging and setting: the water outlet connecting pipe 18 is positioned at the bottom of the shell 1, the water inlet connecting pipe 17 is positioned at one side far away from the limiting guide block 4, and the outlet of the water inlet connecting pipe 17 faces the bottom of the water storage cavity 11 at one side far away from the limiting guide block 4;
wastewater filtration and cleaning of the screen 52: when waste water with small concentration of residue and scraps is treated, the speed reducing motor 12 is started to enable each rotating ring 3 to slowly rotate towards the direction opposite to the water flow direction, the rotating speed of the rotating rings 3 is proper to prevent the waste water from entering the position of the limiting guide block 4 as far as possible, and advective textile waste water is conveyed into the water inlet connecting pipe 17; starting the negative pressure pump 16 after the sensor at any position is triggered, stopping the supply of the wastewater, electrifying the heating sheet 21, pumping the scraps formed by burning the fabric scraps adhered to the filter screen 52 at high temperature away from the filter screen 52 under the action of negative pressure, cleaning each filter screen 52 for multiple times, then supplying water again, closing the negative pressure pump 16 and cutting off the heating sheet 21;
when the waste water with high concentration of residue and scraps is treated, the speed reducing motor 12 is started to enable each rotating ring 3 to slowly rotate towards the direction opposite to the water flow direction, the rotating speed of the rotating rings 3 is proper to prevent the waste water from entering the position of the limiting guide block 4 as far as possible, and advective textile waste water is conveyed into the water inlet connecting pipe 17; at the same time, the negative pressure pump 16 is activated and the fabric scraps adhering to the screen 52 are pumped out of the screen 52 by the negative pressure.
Waste water enters one side of the water storage cavity 11 far away from the limiting guide block 4, the water pressure is not too large, advection or similar advection is suitable, in the process that water flows into the water storage cavity 11 and enters the water outlet connecting pipe 18, the filter screens 52 on the installation frames 51 intercept impurities such as scraps, thread ends and the like in the waste water on a water flow path, the scraps remained on the filter screens 52 after interception are easy to separate from the filter screens 52 under the high-temperature burning of the heating sheets 21, of course, the filter screens 52 can also be made of high-temperature-bearing materials, the high temperature is determined according to the materials of textile fabrics contained in the waste water, the temperature is generally between 200 ℃ and 300 ℃, the scraps are carbonized and coked while the filter screens 52 are dried, and the thread ends, the hair scraps and the like wound on the filter screens 52 are prevented from being smoothly separated under negative pressure.
The effect of sealed protruding muscle 44 is on the one hand the increase as far as possible to the absorption atmospheric pressure of filter screen 52, on the other hand acquires the deposit degree of the adhesion thing on the filter screen 52, when sealed protruding muscle 44 triggered position sensor, the sweeps deposit is more on the filter screen 52, make sealed protruding muscle 44 pressurized and trigger position sensor, sealed protruding muscle 44 can be the roller, also can be the layering, filter screen 52 is located the inboard position of installing frame 51, when sealed protruding muscle 44 leaned on filter screen 52, the clearance between the inboard and the cylinder 2 of filter screen 52 is very little, and the air current is just to filter screen 52, the absorption negative pressure of filter screen 52 department can be ensured.
The guide convex strips 53 and the limiting steps 47 can correct the installation frame 51 and can also improve the sealing property; the limiting guide block 4 guides the mounting frame 51 to enable the mounting frame to gradually return to a state of covering the positioning cylinder 2 in an opening state; the permanent magnet piece 19 can ensure that the mounting frame 51 intercepts the annular water storage cavity 11 when the rotating speed of the mounting frame 51 is slow, the mounting frame 51 is close to the permanent magnet piece 19 under the action of gravity, and is positioned at the position above the water inlet connecting pipe 17 under the action of the permanent magnet piece 19, and the filter screen 52 can still keep the state of intercepting the water storage cavity 11 until the water storage cavity enters the transition section 41 of the limiting guide block 4.
In comparison, the filter screen 52 obviously increases the times of 'slag salvaging' of the wastewater, so that the cleaning effect of the wastewater is obvious; moreover, the filter screen 52 can be cleaned on line, the cleaning process is extremely short, the cleaning process can be synchronously carried out in the continuous wastewater treatment process, and the cleaning process can also be quickly finished under the condition of extremely short water supply suspension without disassembling and assembling parts such as the filter screen 52 and the like; thirdly, fabric scraps such as fibers and the like which are remained and adhered on the filter screen 52 are likely to wind on the filter screen 52, the traditional filter screen 52 cleaning mode cannot achieve a good cleaning effect, and in the scheme, the scraps can be cleaned more thoroughly after being burned by adopting a high-temperature mode and a negative-pressure mode; fourthly, water storage chamber 11 in this scheme makes it divide into the district of walking water and anhydrous treatment district through the setting of spacing guide block 4, can last filterable waste water in, and filter screen 52 also need not the high frequency clearance and maintains.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (5)
1. The textile wastewater filtering method is characterized by comprising a filtering device, wherein the filtering device comprises a cylindrical shell (1), a positioning cylinder (2) fixedly connected with the shell (1), a rotating ring (3) rotatably connected outside the positioning cylinder (2) and a limiting guide block (4) fixed on the inner wall of the shell (1), an annular water storage cavity (11) is formed between the shell (1) and the positioning cylinder (2), the rotating ring (3) is driven by a speed reducing motor (12), a plurality of arc-shaped mounting frames (51) are hinged outside the rotating ring (3), a filter screen (52) is mounted in the middle of each mounting frame (51), the hinge points of the mounting frames (51) and the rotating ring (3) are circumferentially and uniformly distributed on the outer wall surface of the rotating ring (3), an air inlet (13) is formed at one end opening of the positioning cylinder (2), and an air inlet channel (14) is formed on the wall surface of the mounting cylinder, an air outlet channel (15) corresponding to the air inlet channel (14) is formed in the limiting guide block (4), the air outlet channel (15) is connected with an air inlet end of a negative pressure pump (16), a water inlet connecting pipe (17) communicated with the water storage cavity (11) is arranged on the shell (1), a water outlet connecting pipe (18) communicated with the water storage cavity (11) is arranged on the shell (1), a phase difference of 80-120 degrees is formed between the water inlet connecting pipe (17) and the water outlet connecting pipe (18), a transition section (41) and a sealing section (42) are arranged on the inner side surface of the limiting guide block (4), the tail end of the transition section (41) is connected with the inner wall of the shell (1), the sealing section (42) is an arc surface located on the outer side of the mounting frame (51), and an inlet of the air outlet channel (15) is located on the sealing section (42);
a rectangular adsorption cavity (43) is arranged at the inlet of the air outlet channel (15), sealing assemblies are arranged on sealing sections (42) on two sides of the adsorption cavity (43) respectively, each sealing assembly comprises a sliding hole formed in the limiting guide block (4), a sealing convex rib (44) is connected in the sliding hole in a sliding mode, and a plurality of reset springs (45) are connected between the sealing convex ribs (44) and the bottoms of the sliding holes;
a position switch (46) is arranged in the sliding hole, and the position switch (46) can be triggered when the sealing convex rib slides to the bottom of the sliding hole;
a heating sheet (21) is arranged on the positioning cylinder (2) at a position corresponding to the transition section (41), and the heating sheet (21) is embedded in the positioning cylinder (2);
the textile wastewater treatment method comprises the following steps:
arranging and setting: the water outlet connecting pipe (18) is positioned at the bottom of the shell (1), the water inlet connecting pipe (17) is positioned at one side far away from the limiting guide block (4), and the outlet of the water inlet connecting pipe (17) faces the bottom of the water storage cavity (11) at one side far away from the limiting guide block (4);
wastewater filtration and screen (52) cleaning: when waste water with small concentration of residue and scraps is treated, the speed reducing motor (12) is started to enable each rotating ring (3) to slowly rotate towards the direction opposite to the water flow direction, the rotating speed of the rotating rings (3) is proper to prevent the waste water from entering the position of the limiting guide block (4) as far as possible, and advective textile waste water is conveyed into the water inlet connecting pipe (17); starting the negative pressure pump (16) after the sensor at any position is triggered, stopping the supply of the wastewater, electrifying the heating sheet (21), pumping the scraps formed by burning the fabric scraps adhered to the filter screen (52) at high temperature away from the filter screen (52) under the action of negative pressure, cleaning each filter screen (52) for multiple times, then supplying water again, closing the negative pressure pump (16) and cutting off the heating sheet (21);
when waste water with high concentration of residue and scraps is treated, the speed reduction motor (12) is started to enable each rotating ring (3) to slowly rotate towards the direction opposite to the water flow direction, the rotating speed of the rotating rings (3) is proper to prevent the waste water from entering the position of the limiting guide block (4) as far as possible, and advective textile waste water is conveyed into the water inlet connecting pipe (17); at the same time, the negative pressure pump (16) is started, and the fabric scraps adhered to the filter screen (52) are pumped out of the filter screen (52) under the action of negative pressure.
2. A method for filtering textile wastewater according to claim 1, characterized in that the swivel (3) comprises two connecting sleeves (31), and the two connecting sleeves (31) are fixedly connected with each other through a plurality of vertical columns (32).
3. The method for filtering textile wastewater according to claim 1, wherein the two edges of the mounting frame (51) along the axial direction of the housing (1) are respectively provided with a guiding convex strip (53), and the guiding limiting block is provided with a limiting step (47) matched with the guiding convex strip (53).
4. The method for filtering textile wastewater as claimed in claim 1, 2 or 3, wherein the mounting frame (51) is made of a ferrous material, and the outer wall of the shell (1) is provided with a permanent magnet sheet (19) capable of adsorbing one end of the mounting frame (51) away from the hinge point.
5. The method for filtering textile wastewater of claim 4, wherein the number of the mounting frames (51) is four, and when the outer ends of the mounting frames (51) abut against the inner wall of the shell (1), the hinge point of the mounting frames (51) and the mounting frames (51) forms an acute angle between tangent lines on the rotating ring (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011307327.5A CN112569660A (en) | 2020-11-20 | 2020-11-20 | Textile wastewater filtering method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011307327.5A CN112569660A (en) | 2020-11-20 | 2020-11-20 | Textile wastewater filtering method |
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| Publication Number | Publication Date |
|---|---|
| CN112569660A true CN112569660A (en) | 2021-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011307327.5A Withdrawn CN112569660A (en) | 2020-11-20 | 2020-11-20 | Textile wastewater filtering method |
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| CN (1) | CN112569660A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113769455A (en) * | 2021-11-10 | 2021-12-10 | 第一环保（深圳）股份有限公司 | High organic waste liquid equipment is handled to high temperature resistant ceramic carborundum film |
| CN114216167A (en) * | 2021-12-22 | 2022-03-22 | 珠海格力电器股份有限公司 | Fresh air filtering device, fresh air module, air conditioner and control method of fresh air module |
-
2020
- 2020-11-20 CN CN202011307327.5A patent/CN112569660A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113769455A (en) * | 2021-11-10 | 2021-12-10 | 第一环保（深圳）股份有限公司 | High organic waste liquid equipment is handled to high temperature resistant ceramic carborundum film |
| CN114216167A (en) * | 2021-12-22 | 2022-03-22 | 珠海格力电器股份有限公司 | Fresh air filtering device, fresh air module, air conditioner and control method of fresh air module |
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Application publication date: 20210330 |