CN115155155B - Desulfurization waste liquid purification unit - Google Patents
Desulfurization waste liquid purification unit Download PDFInfo
- Publication number
- CN115155155B CN115155155B CN202211028894.6A CN202211028894A CN115155155B CN 115155155 B CN115155155 B CN 115155155B CN 202211028894 A CN202211028894 A CN 202211028894A CN 115155155 B CN115155155 B CN 115155155B
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- central shaft
- waste liquid
- filter
- shell
- plate
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- 239000007788 liquid Substances 0.000 title claims abstract description 92
- 239000002699 waste material Substances 0.000 title claims abstract description 77
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 25
- 230000023556 desulfurization Effects 0.000 title claims abstract description 25
- 238000000746 purification Methods 0.000 title claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 44
- 238000001914 filtration Methods 0.000 claims abstract description 36
- 239000012535 impurity Substances 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 76
- 238000007790 scraping Methods 0.000 claims description 29
- 238000003860 storage Methods 0.000 claims description 14
- 238000009826 distribution Methods 0.000 claims description 10
- 239000003651 drinking water Substances 0.000 claims description 8
- 235000020188 drinking water Nutrition 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 7
- 239000002893 slag Substances 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 238000001556 precipitation Methods 0.000 abstract description 5
- 230000003139 buffering effect Effects 0.000 abstract description 2
- 239000013049 sediment Substances 0.000 abstract description 2
- 238000004065 wastewater treatment Methods 0.000 abstract description 2
- 238000005086 pumping Methods 0.000 description 14
- 210000003437 trachea Anatomy 0.000 description 10
- 239000007789 gas Substances 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 239000003034 coal gas Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
-
- 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
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
- B01D29/6469—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers
- B01D29/6492—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers with a combination of movements with respect to the 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
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
- B01D29/688—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles with backwash arms or shoes acting on the cake side
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to the field of wastewater treatment, in particular to a desulfurization waste liquid purification treatment device. A desulfurization waste liquid purification treatment device comprises a shell and a filtering mechanism, wherein the filtering mechanism comprises a central shaft and a filtering plate, and the interior of the central shaft is hollow; a plurality of filter plates are fixed with the central shaft; the filter plate consists of a plate part and a filter part, and the filter part is hollow and communicated with the inside of the central shaft; the waste liquid is filtered by the filtering part of the filter plate and then discharged through the central shaft, so that the flow of the waste liquid in the shell is reduced; the board of filter plate plays the buffering to the waste liquid that gets into in the shell to reduce the turbulent flow, and the filter plate slope sets up and hinders the impurity upflow in the waste liquid, so that it deposits, through setting up improvement sediment effect and precipitation efficiency of filter plate and central axis.
Description
Technical Field
The invention relates to the field of wastewater treatment, in particular to a desulfurization waste liquid purification treatment device.
Background
In the process of coal coking, sulfur in raw materials enters coal gas in the form of hydrogen sulfide, and the coal gas needs to be desulfurized and then used. The invention patent with the publication number of CN113230923B discloses a desulfurization and denitration waste liquid degradation treatment device, which mixes the additive with the waste liquid and scrapes off the deposited impurities through a cleaning mechanism. But collect impurity through the mode of stewing, efficiency is lower, and the waste liquid all can produce the disturbance to the waste liquid in the processing apparatus when getting into and discharging, causes the impurity after the sediment to turn up, influences the precipitation effect.
Disclosure of Invention
The invention provides a desulfurization waste liquid purification treatment device, which aims to solve the problem of poor impurity precipitation effect in the conventional waste liquid treatment process.
The desulfurization waste liquid purification treatment device adopts the following technical scheme:
a desulfurization waste liquid purification treatment device comprises a shell, a water supply mechanism, a filtering mechanism and a discharging mechanism, wherein the water supply mechanism is used for supplying waste liquid into the shell; the filtering mechanism comprises a driving piece, a central shaft, a scraping plate piece and a filtering plate, wherein the central shaft, the scraping plate piece and the filtering plate are arranged in the shell, the central shaft extends along the left-right direction and is hollow inside, the left end and the right end of the central shaft are rotatably arranged on the shell, the driving piece drives the central shaft to rotate intermittently, and the central shaft is higher than a water inlet position of the water supply mechanism for supplying waste liquid into the shell; the filter plates are distributed at intervals along the axial direction of the central shaft and are arranged in parallel, and the middle parts of the filter plates penetrate through the central shaft and are fixedly connected with the central shaft; the filter plate consists of a plate part and a filter part, wherein the plate part is of a solid structure, the filter part is hollow, and the interior of the filter part is communicated with the interior of the central shaft; the filter plate is obliquely arranged relative to the axis of the central shaft, the filtering part of the filter plate is positioned above the plate part in an initial state, and the filtering part of the filter plate is provided with filtering holes communicated with the inside of the filtering part; the scraping plate pieces are distributed at intervals along the axial direction of the central shaft, and each scraping plate piece corresponds to one filter plate; each scraping plate piece comprises two scraping rods, the two scraping rods extend along the front-back direction, are respectively positioned at the left side and the right side of one filtering part and are respectively attached to the left side and the right side of the filtering part, and the front end and the rear end of each scraping rod are fixedly connected and are arranged on the shell in a sliding mode along the left-right direction; when the filter plate rotates along with the central shaft, the scraping plate piece is pushed to move left and right, so that the scraping plate piece scrapes and cleans the surface of the filter plate; the discharge mechanism is used for discharging the filtered water in the central shaft.
Furthermore, the left end and the right end of the central shaft are respectively a first end and a second end, the first end of the central shaft is blocked, and the second end is communicated with the inside of the central shaft and is connected with the discharge mechanism; the driving piece is a motor, and the first end of the central shaft extends out of the shell and is connected with the driving piece through a coupling.
Furthermore, the water supply mechanism comprises a water supply pump, a water supply pipe, a liquid storage cylinder and a plurality of water distribution pipes, wherein the liquid storage cylinder is fixed outside the shell and is communicated with the inside of the shell through the plurality of water distribution pipes; the water supply pump supplies waste liquid into the liquid storage cylinder through a water supply pipe.
Furthermore, the bottom of the shell is provided with a conical hopper, the center of the conical hopper is low, the edge of the conical hopper is high, and impurities falling on the filter plate are guided to be concentrated in the center of the conical hopper; the center of the conical hopper is provided with a slag collector which is used for collecting impurities from a group to the center of the conical hopper.
Further, discharge mechanism includes suction pump, drinking-water pipe and switching cover, and the switching cover is fixed in the shell, and the second end of center pin passes the shell and with switching cover inner circle rotation connection, the inside and the inside intercommunication of center pin of drinking-water pipe and switching cover connection and drinking-water pipe, the waste liquid after the suction pump passes through the filtration of drinking-water pipe in with the center pin is taken out.
Further, desulfurization waste liquid purification unit still includes recoil mechanism, and recoil mechanism includes air pump and trachea, trachea and the inside intercommunication of center pin, and is provided with on the trachea and prevents that the waste liquid from getting into tracheal check valve, and the air pump lets in gas to the center pin through the trachea, makes gas outwards flow through the filtration pore from filter plate inside, recoils to the filtration pore.
The invention has the beneficial effects that: in the desulfurization waste liquid purification treatment device, the waste liquid enters the central shaft after being filtered by the filtering part of the filter plate, and the filtered water in the central shaft is discharged by the discharge mechanism, so that the fluidity of the waste liquid in the shell is greatly reduced; and the center pin is higher than the water inlet position that supplies the waste liquid in the mechanism to the shell of supplying water, and the board of a plurality of filter plates plays the cushioning effect to the waste liquid that gets into in the shell, reduces the turbulent flow that the waste liquid that gets into in the shell arouses, and the slope of filter plate sets up and hinders the impurity upflow in the waste liquid, and then makes the impurity in the waste liquid deposit as early as possible in order to reduce the impurity of upflow to improve precipitation effect and precipitation efficiency. Meanwhile, the scraper plate can clean the blockage on the surface of the filter plate through the rotation of the filter plate, and the influence on the drainage efficiency due to the attachment of impurities is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of an embodiment of a desulfurization waste liquid purification treatment apparatus according to the present invention;
FIG. 2 is an exploded view of the whole structure of an embodiment of the desulfurization waste liquid purification treatment apparatus according to the present invention;
FIG. 3 is a right side view showing the overall structure of an embodiment of a desulfurization waste liquid purification treatment apparatus according to the present invention;
FIG. 4 is a sectional view taken along line B-B of FIG. 3;
FIG. 5 is a cross-sectional view taken along line C-C of FIG. 3;
FIG. 6 is a schematic view showing the structure of a scraper in an embodiment of a desulfurization waste liquid purification apparatus of the present invention;
FIG. 7 is an enlarged view taken at A in FIG. 6;
FIG. 8 is a schematic view of a filter unit in an embodiment of a desulfurization waste liquid purification treatment apparatus according to the present invention;
in the figure: 100. a housing; 110. a conical hopper; 120. a slag collector; 130. a slide rail; 140. a water supply port; 200. a water supply mechanism; 210. a water supply pump; 220. a water supply pipe; 230. a liquid storage cylinder; 240. a water diversion pipe; 300. a filtering mechanism; 310. a drive member; 311. a coupling; 320. a central shaft; 321. a water inlet; 330. a stripper member; 331. a scraping rod; 332. connecting blocks; 333. a roller; 340. filtering the plate; 341. a plate portion; 342. a filtering part; 400. a discharge mechanism; 410. a water pump; 420. a water pumping pipe; 430. a transfer sleeve; 440. an electromagnetic valve; 500. a recoil mechanism; 510. an air pump; 520. the trachea.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, 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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An embodiment of the desulfurization waste liquid purification treatment apparatus of the present invention, as shown in fig. 1 to 8, comprises a housing 100, a water supply mechanism 200, a filtering mechanism 300 and a discharge mechanism 400,
a plurality of water supply ports 140 are provided on a side wall of the housing 100, and the water supply mechanism 200 supplies waste liquid into the housing 100 through the plurality of water supply ports 140;
the filter mechanism 300 includes a driving member 310, a central shaft 320, a scraper 330 and a filter plate 340, which are arranged in the housing 100, wherein the central shaft 320 extends in the left-right direction and is hollow, the left end and the right end of the central shaft 320 are rotatably mounted on the housing 100, the driving member 310 drives the central shaft 320 to rotate intermittently, and the central shaft 320 is higher than the water supply ports 140; the filter plates 340 are multiple, the multiple filter plates 340 are distributed at intervals along the axial direction of the central shaft 320 and are arranged in parallel, and the middle parts of the filter plates 340 penetrate through the central shaft 320 and are fixedly connected with the central shaft 320; the filter plate 340 is composed of a plate portion 341 and a filter portion 342, wherein the plate portion 341 is a solid structure, the filter portion 342 is hollow, the interior of the filter portion is communicated with the interior of the central shaft 320, and specifically, the central shaft 320 is provided with a water inlet 321 communicated with the interior of the filter portion 342; the filter sheet 340 is disposed so as to be inclined with respect to the axis of the central shaft 320, and the filter section 342 of the filter sheet 340 is positioned above the plate section 341 in the initial state, and the filter section 342 of the filter sheet 340 is provided with filter holes communicating with the inside of the filter section 342; the inclined plate portion 341 of the filter plate 340 acts as a buffer for the waste liquid entering the housing 100, reducing turbulence caused by the waste liquid entering the housing 100, and allowing impurities in the waste liquid to settle as quickly as possible to reduce the impurities passing upward through the filter holes. The scraper plate members 330 are multiple, the scraper plate members 330 are distributed at intervals along the axial direction of the central shaft 320, and each scraper plate member 330 corresponds to one filter plate 340; each scraping plate member 330 comprises two scraping rods 331, the two scraping rods 331 extend along the front-back direction, are respectively positioned at the left side and the right side of one filter part 342 and are respectively attached to the left side and the right side of the filter part 342, and the front end and the rear end of each scraping rod 331 are fixedly connected and are slidably mounted on the shell 100 along the left-right direction; specifically, the front ends and the rear ends of the two scraping rods 331 are connected through a connecting block 332 respectively, rollers 333 are rotatably mounted on the connecting block 332, sliding rails 130 extending left and right are disposed on the inner walls of the front and rear sides of the casing 100, and the rollers 333 on the two connecting blocks 332 are respectively mounted on the two sliding rails 130 in a rolling manner; because the filter plate 340 is arranged obliquely relative to the central shaft 320, when the filter plate 340 rotates along with the central shaft 320, the scraping plate member 330 is pushed to move left and right, and the scraping plate member 330 scrapes and cleans the surface of the filter plate 340;
the waste liquid is filtered through the filter holes in the filter plate 340 and enters the filter plate 340 and then enters the central shaft 320, the discharge mechanism 400 is used for discharging the filtered water in the central shaft 320, and the filtered waste liquid is pumped through the central shaft 320, so that the flowability of the waste liquid in the shell 100 is greatly reduced, and the downward deposition of impurities in the waste liquid is facilitated.
In this embodiment, the left end and the right end of the central shaft 320 are respectively a first end and a second end, the first end of the central shaft 320 is sealed, and the second end is communicated with the inside of the central shaft 320 and connected with the discharging mechanism 400; the driving member 310 may be a stepping motor to rotate the central shaft 320 for a half-turn angle each time a pulse signal is received, and a first end of the central shaft 320 extends out of the casing 100 and is connected to the driving member 310 through a coupling 311.
In the present embodiment, the plurality of water supply ports 140 are sequentially spaced in the left-right direction; the water supply mechanism 200 includes a water supply pump 210, a water supply pipe 220, a liquid storage cylinder 230 and a plurality of water distribution pipes 240, the liquid storage cylinder 230 is fixed outside the housing 100 and is communicated with the inside of the housing 100 through the plurality of water distribution pipes 240, specifically, one end of each water distribution pipe 240 is communicated with the liquid storage cylinder 230, and the other end is fixed at the water supply port 140 and is communicated with the inside of the housing 100; the water supply pump 210 supplies waste liquid into the liquid storage cylinder 230 through the water supply pipe 220, and the liquid storage cylinder 230 supplies waste liquid into the housing 100 through the plurality of water distribution pipes 240; the waste liquid is dispersed and smoothly introduced into the housing 100 through the plurality of water distribution pipes 240.
In the present embodiment, the bottom of the housing 100 is provided with a conical hopper 110, and the conical hopper 110 has a low center and a high edge, and is used for guiding impurities falling from the filter plate 340 to concentrate on the center of the conical hopper 110; the center of the conical hopper 110 is provided with a slag collector 120, and the slag collector 120 is used for collecting impurities collected to the center of the conical hopper 110.
In this embodiment, the discharge mechanism 400 includes a water pump 410, a water pumping pipe 420 and an adapter sleeve 430, the adapter sleeve 430 is fixed to the housing 100, the second end of the central shaft 320 passes through the housing 100 and is rotatably connected to an inner ring of the adapter sleeve 430, the water pumping pipe 420 is connected to the adapter sleeve 430, the interior of the water pumping pipe 420 is communicated with the interior of the central shaft 320, and the water pump 410 pumps the filtered waste liquid in the central shaft 320 through the water pumping pipe 420.
In this embodiment, a desulfurization waste liquid purification unit still includes recoil mechanism 500, and recoil mechanism 500 includes air pump 510 and trachea 520, and trachea 520 and the inside intercommunication of center pin 320, and be provided with the check valve that prevents the waste liquid and get into trachea 520 on the trachea 520, and air pump 510 lets in gas through trachea 520 in to center pin 320, makes gas from inside the filter plate 340 outwards flow through the filtration pore, recoils the filtration pore. Specifically, one end of the air tube 520 is connected to the air pump 510, and the other end is communicated with the interior of the adapter sleeve 430, so as to introduce air into the central shaft 320 through the adapter sleeve 430. An electromagnetic valve 440 is arranged between the water pumping pipe 420 and the adapter sleeve 430, the electromagnetic valve 440 controls the connection and disconnection of the water pumping pipe 420 and the adapter sleeve 430, and when the air pump 510 is started, the electromagnetic valve 440 separates the water pumping pipe 420 from the adapter sleeve 430 to prevent air from blowing to the water pumping pipe 420; when the air pump 510 is closed, the solenoid valve 440 connects the pumping tube 420 to the adaptor sleeve 430, allowing the liquid in the central shaft 320 to flow to the pumping tube 420.
When the desulfurization waste liquid purification treatment device is used, the water supply pump 210 supplies waste liquid into the liquid storage cylinder 230 through the water supply pipe 220, and the liquid storage cylinder 230 dispersedly and stably introduces the waste liquid into the shell 100 through the plurality of water distribution pipes 240; the lower part of the filter plate 340 which is arranged obliquely plays a role in buffering the waste liquid entering the shell 100, reduces the turbulence caused by the waste liquid entering the shell 100, and ensures that impurities in the waste liquid are precipitated into the conical hopper 110 and the slag collector 120 as soon as possible so as to reduce the impurities which pass through the filter holes upwards; when the liquid level rises to the upper part of the filter plate 340, the waste liquid enters the filter plate 340 after being filtered by the filter holes on the filter plate 340 and enters the central shaft 320 through the water inlet 321, and the water pump 410 pumps the filtered waste liquid in the central shaft 320 through the water pumping pipe 420.
As the filtering time of the filter plate 340 increases, the surface of the filter plate 340 is easily blocked by impurities, when the filter plate 340 needs to be cleaned, the water supply pump 210 is turned off until the water pump 410 completely pumps the waste liquid in the central shaft 320, the water pump 410 is turned off, the driving member 310 is started, the central shaft 320 drives the filter plate 340 to rotate, in order to avoid disturbance of the waste liquid remaining in the housing 100 caused by rotation of the filter plate 340, the driving member 310 with low rotation speed is selected, the central shaft 320 drives the filter plate 340 to slowly rotate, the driving member 310 is controlled to stop after the filter plate 340 rotates for half a circle, and at this time, the filter part 342 finishes scraping and cleaning with the scraper blade 330 under the rotation action; starting the air pump 510, simultaneously separating the water pumping pipe 420 from the adapter sleeve 430 by the electromagnetic valve 440, introducing air into the central shaft 320 through the air pipe 520 by the air pump 510, enabling the air to flow outwards from the inside of the filter part 342 through the filter holes to back flush the filter holes, disturbing waste liquid inside the filter part 342 after the air enters the filter part 342 because the filter part 342 is positioned in the waste liquid remaining in the shell 100 at the moment, and promoting the waste liquid inside the filter part 342 to flow outwards through the filter holes to reversely flush the filter holes, wherein flushed impurities enter the waste liquid and continuously sink to the conical hopper 110; after the back flushing is finished, the air pump 510 is closed, meanwhile, the electromagnetic valve 440 enables the water pumping pipe 420 to be communicated with the adapter sleeve 430, the driving member 310 is started, the central shaft 320 drives the filter plate 340 to continue to slowly rotate to the initial position, and the plate portion 341 and the filter portion 342 are scraped and cleaned by the scraper 330 during the whole rotation of the filter plate 340. The drive 310 is then turned off and the feed pump 210 and suction pump 410 are again activated to filter the waste.
Wherein the water supply pump 210, the suction pump 410, the driver 310, and the air pump 510 may be programmed to turn on and off to reduce the number of manual operations.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.
Claims (6)
1. The utility model provides a desulfurization waste liquid purification unit which characterized in that: the device comprises a shell, a water supply mechanism, a filtering mechanism and a discharging mechanism, wherein the water supply mechanism is used for supplying waste liquid into the shell; the filtering mechanism comprises a driving piece, a central shaft, a scraping plate piece and a filtering plate, wherein the central shaft, the scraping plate piece and the filtering plate are arranged in the shell, the central shaft extends along the left-right direction and is hollow inside, the left end and the right end of the central shaft are rotatably arranged on the shell, the driving piece drives the central shaft to rotate intermittently, and the central shaft is higher than a water inlet position of the water supply mechanism for supplying waste liquid into the shell; the filter plates are distributed at intervals along the axial direction of the central shaft and are arranged in parallel, and the middle parts of the filter plates penetrate through the central shaft and are fixedly connected with the central shaft; the filter plate consists of a plate part and a filter part, wherein the plate part is of a solid structure, the filter part is hollow, and the interior of the filter part is communicated with the interior of the central shaft; the filter plate is obliquely arranged relative to the axis of the central shaft, the filtering part of the filter plate is positioned above the plate part in an initial state, and the filtering part of the filter plate is provided with filtering holes communicated with the inside of the filtering part; the scraping plate pieces are distributed at intervals along the axial direction of the central shaft, and each scraping plate piece corresponds to one filter plate; each scraping plate piece comprises two scraping rods, the two scraping rods extend along the front-back direction, are respectively positioned at the left side and the right side of one filtering part and are respectively attached to the left side and the right side of the filtering part, and the front end and the rear end of each scraping rod are fixedly connected and are arranged on the shell in a sliding mode along the left-right direction; when the filter plate rotates along with the central shaft, the scraping plate piece is pushed to move left and right, so that the scraping plate piece scrapes and cleans the surface of the filter plate; the discharge mechanism is used for discharging the filtered water in the central shaft.
2. The desulfurization waste liquid purification treatment device according to claim 1, characterized in that: the left end and the right end of the central shaft are respectively a first end and a second end, the first end of the central shaft is blocked, and the second end is communicated with the inside of the central shaft and is connected with the discharge mechanism; the driving piece is a motor, and the first end of the central shaft extends out of the shell and is connected with the driving piece through a coupler.
3. The desulfurization waste liquid purification treatment device according to claim 1, characterized in that: the water supply mechanism comprises a water supply pump, a water supply pipe, a liquid storage cylinder and a plurality of water distribution pipes, wherein the liquid storage cylinder is fixed outside the shell and is communicated with the inside of the shell through the plurality of water distribution pipes; the water supply pump supplies waste liquid into the liquid storage cylinder through a water supply pipe.
4. The desulfurization waste liquid purification treatment device according to claim 1, characterized in that: the bottom of the shell is provided with a conical hopper, the center of the conical hopper is low, the edge of the conical hopper is high, and the conical hopper is used for guiding impurities falling from the filter plate to be concentrated in the center of the conical hopper; the center of the conical hopper is provided with a slag collector which is used for collecting impurities collected to the center of the conical hopper.
5. The desulfurization waste liquid purification treatment device according to claim 2, characterized in that: discharge mechanism includes suction pump, drinking-water pipe and switching cover, and the switching cover is fixed in the shell, and the second end of center pin passes the shell and with switching cover inner circle rotation connection, and the drinking-water pipe is connected with the switching cover and inside and the inside intercommunication of center pin of drinking-water pipe, and the waste liquid after the filtration of suction pump in with the center pin is taken out through the drinking-water pipe.
6. The desulfurization waste liquid purification treatment device according to claim 1, characterized in that: the filter plate is characterized by further comprising a backflushing mechanism, the backflushing mechanism comprises an air pump and an air pipe, the air pipe is communicated with the inside of the central shaft, a check valve for preventing waste liquid from entering the air pipe is arranged on the air pipe, the air pump leads air into the central shaft through the air pipe, the air flows outwards through the filter holes from the inside of the filter plate, and backflushing is conducted on the filter holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211028894.6A CN115155155B (en) | 2022-08-26 | 2022-08-26 | Desulfurization waste liquid purification unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211028894.6A CN115155155B (en) | 2022-08-26 | 2022-08-26 | Desulfurization waste liquid purification unit |
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| Publication Number | Publication Date |
|---|---|
| CN115155155A CN115155155A (en) | 2022-10-11 |
| CN115155155B true CN115155155B (en) | 2022-11-22 |
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| CN202211028894.6A Active CN115155155B (en) | 2022-08-26 | 2022-08-26 | Desulfurization waste liquid purification unit |
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| CN212818524U (en) * | 2020-05-28 | 2021-03-30 | 北京燕山玉龙石化工程股份有限公司 | Disc vacuum dehydrator |
| CN216094296U (en) * | 2021-11-18 | 2022-03-22 | 江苏恒亮离心机制造有限公司 | Horizontal centrifuge with filter equipment |
| CN216440127U (en) * | 2021-12-21 | 2022-05-06 | 铜陵杰达机械设备有限公司 | Ceramic filter with automatic feeding mechanism |
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- 2022-08-26 CN CN202211028894.6A patent/CN115155155B/en active Active
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| FR2796306A1 (en) * | 1999-07-13 | 2001-01-19 | Roumen Kaltchev | DISSOLVED AIR CLARIFIER WITH INCORPORATED FILTER |
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| CN212818524U (en) * | 2020-05-28 | 2021-03-30 | 北京燕山玉龙石化工程股份有限公司 | Disc vacuum dehydrator |
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